3182 lines
125 KiB
Python
3182 lines
125 KiB
Python
# .. coding: utf-8
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# $Id: __init__.py 8058 2017-04-19 16:45:32Z milde $
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# Author: Engelbert Gruber, Günter Milde
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# Maintainer: docutils-develop@lists.sourceforge.net
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# Copyright: This module has been placed in the public domain.
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"""LaTeX2e document tree Writer."""
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__docformat__ = 'reStructuredText'
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# code contributions from several people included, thanks to all.
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# some named: David Abrahams, Julien Letessier, Lele Gaifax, and others.
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#
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# convention deactivate code by two # i.e. ##.
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import sys
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import os
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import time
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import re
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import string
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import urllib.request, urllib.parse, urllib.error
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try:
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import roman
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except ImportError:
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import docutils.utils.roman as roman
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from docutils import frontend, nodes, languages, writers, utils, io
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from docutils.utils.error_reporting import SafeString
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from docutils.transforms import writer_aux
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from docutils.utils.math import pick_math_environment, unichar2tex
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class Writer(writers.Writer):
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supported = ('latex','latex2e')
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"""Formats this writer supports."""
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default_template = 'default.tex'
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default_template_path = os.path.dirname(os.path.abspath(__file__))
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default_preamble = '\n'.join([r'% PDF Standard Fonts',
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r'\usepackage{mathptmx} % Times',
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r'\usepackage[scaled=.90]{helvet}',
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r'\usepackage{courier}'])
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table_style_values = ('standard', 'booktabs','nolines', 'borderless',
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'colwidths-auto', 'colwidths-given')
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settings_spec = (
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'LaTeX-Specific Options',
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None,
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(('Specify documentclass. Default is "article".',
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['--documentclass'],
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{'default': 'article', }),
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('Specify document options. Multiple options can be given, '
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'separated by commas. Default is "a4paper".',
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['--documentoptions'],
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{'default': 'a4paper', }),
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('Footnotes with numbers/symbols by Docutils. (default)',
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['--docutils-footnotes'],
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{'default': True, 'action': 'store_true',
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'validator': frontend.validate_boolean}),
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('Format for footnote references: one of "superscript" or '
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'"brackets". Default is "superscript".',
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['--footnote-references'],
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{'choices': ['superscript', 'brackets'], 'default': 'superscript',
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'metavar': '<format>',
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'overrides': 'trim_footnote_reference_space'}),
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('Use \\cite command for citations. ',
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['--use-latex-citations'],
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{'default': 0, 'action': 'store_true',
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'validator': frontend.validate_boolean}),
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('Use figure floats for citations '
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'(might get mixed with real figures). (default)',
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['--figure-citations'],
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{'dest': 'use_latex_citations', 'action': 'store_false',
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'validator': frontend.validate_boolean}),
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('Format for block quote attributions: one of "dash" (em-dash '
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'prefix), "parentheses"/"parens", or "none". Default is "dash".',
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['--attribution'],
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{'choices': ['dash', 'parentheses', 'parens', 'none'],
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'default': 'dash', 'metavar': '<format>'}),
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('Specify LaTeX packages/stylesheets. '
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' A style is referenced with \\usepackage if extension is '
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'".sty" or omitted and with \\input else. '
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' Overrides previous --stylesheet and --stylesheet-path settings.',
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['--stylesheet'],
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{'default': '', 'metavar': '<file[,file,...]>',
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'overrides': 'stylesheet_path',
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'validator': frontend.validate_comma_separated_list}),
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('Comma separated list of LaTeX packages/stylesheets. '
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'Relative paths are expanded if a matching file is found in '
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'the --stylesheet-dirs. With --link-stylesheet, '
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'the path is rewritten relative to the output *.tex file. ',
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['--stylesheet-path'],
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{'metavar': '<file[,file,...]>', 'overrides': 'stylesheet',
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'validator': frontend.validate_comma_separated_list}),
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('Link to the stylesheet(s) in the output file. (default)',
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['--link-stylesheet'],
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{'dest': 'embed_stylesheet', 'action': 'store_false'}),
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('Embed the stylesheet(s) in the output file. '
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'Stylesheets must be accessible during processing. ',
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['--embed-stylesheet'],
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{'default': 0, 'action': 'store_true',
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'validator': frontend.validate_boolean}),
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('Comma-separated list of directories where stylesheets are found. '
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'Used by --stylesheet-path when expanding relative path arguments. '
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'Default: "."',
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['--stylesheet-dirs'],
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{'metavar': '<dir[,dir,...]>',
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'validator': frontend.validate_comma_separated_list,
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'default': ['.']}),
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('Customization by LaTeX code in the preamble. '
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'Default: select PDF standard fonts (Times, Helvetica, Courier).',
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['--latex-preamble'],
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{'default': default_preamble}),
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('Specify the template file. Default: "%s".' % default_template,
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['--template'],
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{'default': default_template, 'metavar': '<file>'}),
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('Table of contents by LaTeX. (default) ',
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['--use-latex-toc'],
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{'default': 1, 'action': 'store_true',
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'validator': frontend.validate_boolean}),
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('Table of contents by Docutils (without page numbers). ',
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['--use-docutils-toc'],
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{'dest': 'use_latex_toc', 'action': 'store_false',
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'validator': frontend.validate_boolean}),
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('Add parts on top of the section hierarchy.',
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['--use-part-section'],
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||
{'default': 0, 'action': 'store_true',
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'validator': frontend.validate_boolean}),
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||
('Attach author and date to the document info table. (default) ',
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['--use-docutils-docinfo'],
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{'dest': 'use_latex_docinfo', 'action': 'store_false',
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'validator': frontend.validate_boolean}),
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('Attach author and date to the document title.',
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['--use-latex-docinfo'],
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{'default': 0, 'action': 'store_true',
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'validator': frontend.validate_boolean}),
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("Typeset abstract as topic. (default)",
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['--topic-abstract'],
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{'dest': 'use_latex_abstract', 'action': 'store_false',
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'validator': frontend.validate_boolean}),
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("Use LaTeX abstract environment for the document's abstract. ",
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['--use-latex-abstract'],
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{'default': 0, 'action': 'store_true',
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'validator': frontend.validate_boolean}),
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('Color of any hyperlinks embedded in text '
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'(default: "blue", "false" to disable).',
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['--hyperlink-color'], {'default': 'blue'}),
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('Additional options to the "hyperref" package '
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'(default: "").',
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['--hyperref-options'], {'default': ''}),
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('Enable compound enumerators for nested enumerated lists '
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'(e.g. "1.2.a.ii"). Default: disabled.',
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['--compound-enumerators'],
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{'default': None, 'action': 'store_true',
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'validator': frontend.validate_boolean}),
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('Disable compound enumerators for nested enumerated lists. '
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'This is the default.',
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['--no-compound-enumerators'],
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{'action': 'store_false', 'dest': 'compound_enumerators'}),
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('Enable section ("." subsection ...) prefixes for compound '
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'enumerators. This has no effect without --compound-enumerators.'
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'Default: disabled.',
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['--section-prefix-for-enumerators'],
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{'default': None, 'action': 'store_true',
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'validator': frontend.validate_boolean}),
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('Disable section prefixes for compound enumerators. '
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'This is the default.',
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['--no-section-prefix-for-enumerators'],
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{'action': 'store_false', 'dest': 'section_prefix_for_enumerators'}),
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('Set the separator between section number and enumerator '
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'for compound enumerated lists. Default is "-".',
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['--section-enumerator-separator'],
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{'default': '-', 'metavar': '<char>'}),
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('When possibile, use the specified environment for literal-blocks. '
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'Default is quoting of whitespace and special chars.',
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['--literal-block-env'],
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{'default': ''}),
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('When possibile, use verbatim for literal-blocks. '
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'Compatibility alias for "--literal-block-env=verbatim".',
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['--use-verbatim-when-possible'],
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{'default': 0, 'action': 'store_true',
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'validator': frontend.validate_boolean}),
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('Table style. "standard" with horizontal and vertical lines, '
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'"booktabs" (LaTeX booktabs style) only horizontal lines '
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'above and below the table and below the header or "borderless". '
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'Default: "standard"',
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['--table-style'],
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{'default': ['standard'],
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'metavar': '<format>',
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'action': 'append',
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'validator': frontend.validate_comma_separated_list,
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'choices': table_style_values}),
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('LaTeX graphicx package option. '
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'Possible values are "dvips", "pdftex". "auto" includes LaTeX code '
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'to use "pdftex" if processing with pdf(la)tex and dvips otherwise. '
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'Default is no option.',
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['--graphicx-option'],
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{'default': ''}),
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('LaTeX font encoding. '
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'Possible values are "", "T1" (default), "OT1", "LGR,T1" or '
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'any other combination of options to the `fontenc` package. ',
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['--font-encoding'],
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{'default': 'T1'}),
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('Per default the latex-writer puts the reference title into '
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'hyperreferences. Specify "ref*" or "pageref*" to get the section '
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'number or the page number.',
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['--reference-label'],
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{'default': None, }),
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('Specify style and database for bibtex, for example '
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||
'"--use-bibtex=mystyle,mydb1,mydb2".',
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['--use-bibtex'],
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{'default': None, }),
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),)
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settings_defaults = {'sectnum_depth': 0 # updated by SectNum transform
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}
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config_section = 'latex2e writer'
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config_section_dependencies = ('writers',)
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head_parts = ('head_prefix', 'requirements', 'latex_preamble',
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'stylesheet', 'fallbacks', 'pdfsetup',
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'title', 'subtitle', 'titledata')
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||
visitor_attributes = head_parts + ('body_pre_docinfo', 'docinfo',
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'dedication', 'abstract', 'body')
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||
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output = None
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"""Final translated form of `document`."""
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def __init__(self):
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writers.Writer.__init__(self)
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self.translator_class = LaTeXTranslator
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# Override parent method to add latex-specific transforms
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def get_transforms(self):
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return writers.Writer.get_transforms(self) + [
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# Convert specific admonitions to generic one
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writer_aux.Admonitions,
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# TODO: footnote collection transform
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]
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def translate(self):
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visitor = self.translator_class(self.document)
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self.document.walkabout(visitor)
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# copy parts
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for part in self.visitor_attributes:
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setattr(self, part, getattr(visitor, part))
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# get template string from file
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try:
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template_file = open(self.document.settings.template, 'rb')
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except IOError:
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template_file = open(os.path.join(self.default_template_path,
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self.document.settings.template), 'rb')
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template = string.Template(str(template_file.read(), 'utf-8'))
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template_file.close()
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# fill template
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self.assemble_parts() # create dictionary of parts
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self.output = template.substitute(self.parts)
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def assemble_parts(self):
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"""Assemble the `self.parts` dictionary of output fragments."""
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writers.Writer.assemble_parts(self)
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for part in self.visitor_attributes:
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lines = getattr(self, part)
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if part in self.head_parts:
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if lines:
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lines.append('') # to get a trailing newline
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self.parts[part] = '\n'.join(lines)
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else:
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# body contains inline elements, so join without newline
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self.parts[part] = ''.join(lines)
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|
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class Babel(object):
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"""Language specifics for LaTeX."""
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# TeX (babel) language names:
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# ! not all of these are supported by Docutils!
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#
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# based on LyX' languages file with adaptions to `BCP 47`_
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# (http://www.rfc-editor.org/rfc/bcp/bcp47.txt) and
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# http://www.tug.org/TUGboat/Articles/tb29-3/tb93miklavec.pdf
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# * the key without subtags is the default
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# * case is ignored
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# cf. http://docutils.sourceforge.net/docs/howto/i18n.html
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# http://www.w3.org/International/articles/language-tags/
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# and http://www.iana.org/assignments/language-subtag-registry
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language_codes = {
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# code TeX/Babel-name comment
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'af': 'afrikaans',
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'ar': 'arabic',
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# 'be': 'belarusian',
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'bg': 'bulgarian',
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'br': 'breton',
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'ca': 'catalan',
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# 'cop': 'coptic',
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'cs': 'czech',
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'cy': 'welsh',
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'da': 'danish',
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'de': 'ngerman', # new spelling (de_1996)
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'de-1901': 'german', # old spelling
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||
'de-AT': 'naustrian',
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||
'de-AT-1901': 'austrian',
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'dsb': 'lowersorbian',
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||
'el': 'greek', # monotonic (el-monoton)
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'el-polyton': 'polutonikogreek',
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||
'en': 'english', # TeX' default language
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'en-AU': 'australian',
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'en-CA': 'canadian',
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'en-GB': 'british',
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||
'en-NZ': 'newzealand',
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||
'en-US': 'american',
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'eo': 'esperanto',
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'es': 'spanish',
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'et': 'estonian',
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'eu': 'basque',
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||
# 'fa': 'farsi',
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'fi': 'finnish',
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||
'fr': 'french',
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||
'fr-CA': 'canadien',
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'ga': 'irish', # Irish Gaelic
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||
# 'grc': # Ancient Greek
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'grc-ibycus': 'ibycus', # Ibycus encoding
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||
'gl': 'galician',
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||
'he': 'hebrew',
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||
'hr': 'croatian',
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||
'hsb': 'uppersorbian',
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'hu': 'magyar',
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||
'ia': 'interlingua',
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||
'id': 'bahasai', # Bahasa (Indonesian)
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||
'is': 'icelandic',
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||
'it': 'italian',
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||
'ja': 'japanese',
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'kk': 'kazakh',
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||
'la': 'latin',
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||
'lt': 'lithuanian',
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||
'lv': 'latvian',
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||
'mn': 'mongolian', # Mongolian, Cyrillic script (mn-cyrl)
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||
'ms': 'bahasam', # Bahasa (Malay)
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||
'nb': 'norsk', # Norwegian Bokmal
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||
'nl': 'dutch',
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||
'nn': 'nynorsk', # Norwegian Nynorsk
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||
'no': 'norsk', # Norwegian (Bokmal)
|
||
'pl': 'polish',
|
||
'pt': 'portuges',
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||
'pt-BR': 'brazil',
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||
'ro': 'romanian',
|
||
'ru': 'russian',
|
||
'se': 'samin', # North Sami
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||
'sh-Cyrl': 'serbianc', # Serbo-Croatian, Cyrillic script
|
||
'sh-Latn': 'serbian', # Serbo-Croatian, Latin script see also 'hr'
|
||
'sk': 'slovak',
|
||
'sl': 'slovene',
|
||
'sq': 'albanian',
|
||
'sr': 'serbianc', # Serbian, Cyrillic script (contributed)
|
||
'sr-Latn': 'serbian', # Serbian, Latin script
|
||
'sv': 'swedish',
|
||
# 'th': 'thai',
|
||
'tr': 'turkish',
|
||
'uk': 'ukrainian',
|
||
'vi': 'vietnam',
|
||
# zh-Latn: Chinese Pinyin
|
||
}
|
||
# normalize (downcase) keys
|
||
language_codes = dict([(k.lower(), v) for (k,v) in list(language_codes.items())])
|
||
|
||
warn_msg = 'Language "%s" not supported by LaTeX (babel)'
|
||
|
||
# "Active characters" are shortcuts that start a LaTeX macro and may need
|
||
# escaping for literals use. Characters that prevent literal use (e.g.
|
||
# starting accent macros like "a -> ä) will be deactivated if one of the
|
||
# defining languages is used in the document.
|
||
# Special cases:
|
||
# ~ (tilde) -- used in estonian, basque, galician, and old versions of
|
||
# spanish -- cannot be deactivated as it denotes a no-break space macro,
|
||
# " (straight quote) -- used in albanian, austrian, basque
|
||
# brazil, bulgarian, catalan, czech, danish, dutch, estonian,
|
||
# finnish, galician, german, icelandic, italian, latin, naustrian,
|
||
# ngerman, norsk, nynorsk, polish, portuges, russian, serbian, slovak,
|
||
# slovene, spanish, swedish, ukrainian, and uppersorbian --
|
||
# is escaped as ``\textquotedbl``.
|
||
active_chars = {# TeX/Babel-name: active characters to deactivate
|
||
# 'breton': ':;!?' # ensure whitespace
|
||
# 'esperanto': '^',
|
||
# 'estonian': '~"`',
|
||
# 'french': ':;!?' # ensure whitespace
|
||
'galician': '.<>', # also '~"'
|
||
# 'magyar': '`', # for special hyphenation cases
|
||
'spanish': '.<>', # old versions also '~'
|
||
# 'turkish': ':!=' # ensure whitespace
|
||
}
|
||
|
||
def __init__(self, language_code, reporter=None):
|
||
self.reporter = reporter
|
||
self.language = self.language_name(language_code)
|
||
self.otherlanguages = {}
|
||
|
||
def __call__(self):
|
||
"""Return the babel call with correct options and settings"""
|
||
languages = sorted(self.otherlanguages.keys())
|
||
languages.append(self.language or 'english')
|
||
self.setup = [r'\usepackage[%s]{babel}' % ','.join(languages)]
|
||
# Deactivate "active characters"
|
||
shorthands = []
|
||
for c in ''.join([self.active_chars.get(l, '') for l in languages]):
|
||
if c not in shorthands:
|
||
shorthands.append(c)
|
||
if shorthands:
|
||
self.setup.append(r'\AtBeginDocument{\shorthandoff{%s}}'
|
||
% ''.join(shorthands))
|
||
# Including '~' in shorthandoff prevents its use as no-break space
|
||
if 'galician' in languages:
|
||
self.setup.append(r'\deactivatetilden % restore ~ in Galician')
|
||
if 'estonian' in languages:
|
||
self.setup.extend([r'\makeatletter',
|
||
r' \addto\extrasestonian{\bbl@deactivate{~}}',
|
||
r'\makeatother'])
|
||
if 'basque' in languages:
|
||
self.setup.extend([r'\makeatletter',
|
||
r' \addto\extrasbasque{\bbl@deactivate{~}}',
|
||
r'\makeatother'])
|
||
if (languages[-1] == 'english' and
|
||
'french' in list(self.otherlanguages.keys())):
|
||
self.setup += ['% Prevent side-effects if French hyphenation '
|
||
'patterns are not loaded:',
|
||
r'\frenchbsetup{StandardLayout}',
|
||
r'\AtBeginDocument{\selectlanguage{%s}'
|
||
r'\noextrasfrench}' % self.language]
|
||
return '\n'.join(self.setup)
|
||
|
||
def language_name(self, language_code):
|
||
"""Return TeX language name for `language_code`"""
|
||
for tag in utils.normalize_language_tag(language_code):
|
||
try:
|
||
return self.language_codes[tag]
|
||
except KeyError:
|
||
pass
|
||
if self.reporter is not None:
|
||
self.reporter.warning(self.warn_msg % language_code)
|
||
return ''
|
||
|
||
def get_language(self):
|
||
# Obsolete, kept for backwards compatibility with Sphinx
|
||
return self.language
|
||
|
||
|
||
# Building blocks for the latex preamble
|
||
# --------------------------------------
|
||
|
||
class SortableDict(dict):
|
||
"""Dictionary with additional sorting methods
|
||
|
||
Tip: use key starting with with '_' for sorting before small letters
|
||
and with '~' for sorting after small letters.
|
||
"""
|
||
def sortedkeys(self):
|
||
"""Return sorted list of keys"""
|
||
keys = list(self.keys())
|
||
keys.sort()
|
||
return keys
|
||
|
||
def sortedvalues(self):
|
||
"""Return list of values sorted by keys"""
|
||
return [self[key] for key in self.sortedkeys()]
|
||
|
||
|
||
# PreambleCmds
|
||
# `````````````
|
||
# A container for LaTeX code snippets that can be
|
||
# inserted into the preamble if required in the document.
|
||
#
|
||
# .. The package 'makecmds' would enable shorter definitions using the
|
||
# \providelength and \provideenvironment commands.
|
||
# However, it is pretty non-standard (texlive-latex-extra).
|
||
|
||
class PreambleCmds(object):
|
||
"""Building blocks for the latex preamble."""
|
||
|
||
PreambleCmds.abstract = r"""
|
||
% abstract title
|
||
\providecommand*{\DUtitleabstract}[1]{\centerline{\textbf{#1}}}"""
|
||
|
||
PreambleCmds.admonition = r"""
|
||
% admonition (specially marked topic)
|
||
\providecommand{\DUadmonition}[2][class-arg]{%
|
||
% try \DUadmonition#1{#2}:
|
||
\ifcsname DUadmonition#1\endcsname%
|
||
\csname DUadmonition#1\endcsname{#2}%
|
||
\else
|
||
\begin{center}
|
||
\fbox{\parbox{0.9\linewidth}{#2}}
|
||
\end{center}
|
||
\fi
|
||
}"""
|
||
|
||
## PreambleCmds.caption = r"""% configure caption layout
|
||
## \usepackage{caption}
|
||
## \captionsetup{singlelinecheck=false}% no exceptions for one-liners"""
|
||
|
||
PreambleCmds.color = r"""\usepackage{color}"""
|
||
|
||
PreambleCmds.docinfo = r"""
|
||
% docinfo (width of docinfo table)
|
||
\DUprovidelength{\DUdocinfowidth}{0.9\linewidth}"""
|
||
# PreambleCmds.docinfo._depends = 'providelength'
|
||
|
||
PreambleCmds.dedication = r"""
|
||
% dedication topic
|
||
\providecommand*{\DUCLASSdedication}{%
|
||
\renewenvironment{quote}{\begin{center}}{\end{center}}%
|
||
}"""
|
||
|
||
PreambleCmds.duclass = r"""
|
||
% class handling for environments (block-level elements)
|
||
% \begin{DUclass}{spam} tries \DUCLASSspam and
|
||
% \end{DUclass}{spam} tries \endDUCLASSspam
|
||
\ifx\DUclass\undefined % poor man's "provideenvironment"
|
||
\newenvironment{DUclass}[1]%
|
||
{\def\DocutilsClassFunctionName{DUCLASS#1}% arg cannot be used in end-part of environment.
|
||
\csname \DocutilsClassFunctionName \endcsname}%
|
||
{\csname end\DocutilsClassFunctionName \endcsname}%
|
||
\fi"""
|
||
|
||
PreambleCmds.error = r"""
|
||
% error admonition title
|
||
\providecommand*{\DUtitleerror}[1]{\DUtitle{\color{red}#1}}"""
|
||
|
||
PreambleCmds.fieldlist = r"""
|
||
% fieldlist environment
|
||
\ifthenelse{\isundefined{\DUfieldlist}}{
|
||
\newenvironment{DUfieldlist}%
|
||
{\quote\description}
|
||
{\enddescription\endquote}
|
||
}{}"""
|
||
|
||
PreambleCmds.float_settings = r"""\usepackage{float} % float configuration
|
||
\floatplacement{figure}{H} % place figures here definitely"""
|
||
|
||
PreambleCmds.footnotes = r"""% numeric or symbol footnotes with hyperlinks
|
||
\providecommand*{\DUfootnotemark}[3]{%
|
||
\raisebox{1em}{\hypertarget{#1}{}}%
|
||
\hyperlink{#2}{\textsuperscript{#3}}%
|
||
}
|
||
\providecommand{\DUfootnotetext}[4]{%
|
||
\begingroup%
|
||
\renewcommand{\thefootnote}{%
|
||
\protect\raisebox{1em}{\protect\hypertarget{#1}{}}%
|
||
\protect\hyperlink{#2}{#3}}%
|
||
\footnotetext{#4}%
|
||
\endgroup%
|
||
}"""
|
||
|
||
PreambleCmds.graphicx_auto = r"""% Check output format
|
||
\ifx\pdftexversion\undefined
|
||
\usepackage{graphicx}
|
||
\else
|
||
\usepackage[pdftex]{graphicx}
|
||
\fi"""
|
||
|
||
PreambleCmds.highlight_rules = r"""% basic code highlight:
|
||
\providecommand*\DUrolecomment[1]{\textcolor[rgb]{0.40,0.40,0.40}{#1}}
|
||
\providecommand*\DUroledeleted[1]{\textcolor[rgb]{0.40,0.40,0.40}{#1}}
|
||
\providecommand*\DUrolekeyword[1]{\textbf{#1}}
|
||
\providecommand*\DUrolestring[1]{\textit{#1}}"""
|
||
|
||
PreambleCmds.inline = r"""
|
||
% inline markup (custom roles)
|
||
% \DUrole{#1}{#2} tries \DUrole#1{#2}
|
||
\providecommand*{\DUrole}[2]{%
|
||
% backwards compatibility: try \docutilsrole#1{#2}
|
||
\ifcsname docutilsrole#1\endcsname%
|
||
\csname docutilsrole#1\endcsname{#2}%
|
||
\else
|
||
\csname DUrole#1\endcsname{#2}%
|
||
\fi%
|
||
}"""
|
||
|
||
PreambleCmds.legend = r"""
|
||
% legend environment
|
||
\ifthenelse{\isundefined{\DUlegend}}{
|
||
\newenvironment{DUlegend}{\small}{}
|
||
}{}"""
|
||
|
||
PreambleCmds.lineblock = r"""
|
||
% lineblock environment
|
||
\DUprovidelength{\DUlineblockindent}{2.5em}
|
||
\ifthenelse{\isundefined{\DUlineblock}}{
|
||
\newenvironment{DUlineblock}[1]{%
|
||
\list{}{\setlength{\partopsep}{\parskip}
|
||
\addtolength{\partopsep}{\baselineskip}
|
||
\setlength{\topsep}{0pt}
|
||
\setlength{\itemsep}{0.15\baselineskip}
|
||
\setlength{\parsep}{0pt}
|
||
\setlength{\leftmargin}{#1}}
|
||
\raggedright
|
||
}
|
||
{\endlist}
|
||
}{}"""
|
||
# PreambleCmds.lineblock._depends = 'providelength'
|
||
|
||
PreambleCmds.linking = r"""
|
||
%% hyperlinks:
|
||
\ifthenelse{\isundefined{\hypersetup}}{
|
||
\usepackage[%s]{hyperref}
|
||
\usepackage{bookmark}
|
||
\urlstyle{same} %% normal text font (alternatives: tt, rm, sf)
|
||
}{}"""
|
||
|
||
PreambleCmds.minitoc = r"""%% local table of contents
|
||
\usepackage{minitoc}"""
|
||
|
||
PreambleCmds.optionlist = r"""
|
||
% optionlist environment
|
||
\providecommand*{\DUoptionlistlabel}[1]{\bf #1 \hfill}
|
||
\DUprovidelength{\DUoptionlistindent}{3cm}
|
||
\ifthenelse{\isundefined{\DUoptionlist}}{
|
||
\newenvironment{DUoptionlist}{%
|
||
\list{}{\setlength{\labelwidth}{\DUoptionlistindent}
|
||
\setlength{\rightmargin}{1cm}
|
||
\setlength{\leftmargin}{\rightmargin}
|
||
\addtolength{\leftmargin}{\labelwidth}
|
||
\addtolength{\leftmargin}{\labelsep}
|
||
\renewcommand{\makelabel}{\DUoptionlistlabel}}
|
||
}
|
||
{\endlist}
|
||
}{}"""
|
||
# PreambleCmds.optionlist._depends = 'providelength'
|
||
|
||
PreambleCmds.providelength = r"""
|
||
% providelength (provide a length variable and set default, if it is new)
|
||
\providecommand*{\DUprovidelength}[2]{
|
||
\ifthenelse{\isundefined{#1}}{\newlength{#1}\setlength{#1}{#2}}{}
|
||
}"""
|
||
|
||
PreambleCmds.rubric = r"""
|
||
% rubric (informal heading)
|
||
\providecommand*{\DUrubric}[1]{%
|
||
\subsubsection*{\centering\textit{\textmd{#1}}}}"""
|
||
|
||
PreambleCmds.sidebar = r"""
|
||
% sidebar (text outside the main text flow)
|
||
\providecommand{\DUsidebar}[1]{%
|
||
\begin{center}
|
||
\colorbox[gray]{0.80}{\parbox{0.9\linewidth}{#1}}
|
||
\end{center}
|
||
}"""
|
||
|
||
PreambleCmds.subtitle = r"""
|
||
% subtitle (for topic/sidebar)
|
||
\providecommand*{\DUsubtitle}[1]{\par\emph{#1}\smallskip}"""
|
||
|
||
PreambleCmds.documentsubtitle = r"""
|
||
% subtitle (in document title)
|
||
\providecommand*{\DUdocumentsubtitle}[1]{{\large #1}}"""
|
||
|
||
PreambleCmds.table = r"""\usepackage{longtable,ltcaption,array}
|
||
\setlength{\extrarowheight}{2pt}
|
||
\newlength{\DUtablewidth} % internal use in tables"""
|
||
|
||
# Options [force,almostfull] prevent spurious error messages, see
|
||
# de.comp.text.tex/2005-12/msg01855
|
||
PreambleCmds.textcomp = """\
|
||
\\usepackage{textcomp} % text symbol macros"""
|
||
|
||
PreambleCmds.textsubscript = r"""
|
||
% text mode subscript
|
||
\ifx\textsubscript\undefined
|
||
\usepackage{fixltx2e} % since 2015 loaded by default
|
||
\fi"""
|
||
|
||
PreambleCmds.titlereference = r"""
|
||
% titlereference role
|
||
\providecommand*{\DUroletitlereference}[1]{\textsl{#1}}"""
|
||
|
||
PreambleCmds.title = r"""
|
||
% title for topics, admonitions, unsupported section levels, and sidebar
|
||
\providecommand*{\DUtitle}[2][class-arg]{%
|
||
% call \DUtitle#1{#2} if it exists:
|
||
\ifcsname DUtitle#1\endcsname%
|
||
\csname DUtitle#1\endcsname{#2}%
|
||
\else
|
||
\smallskip\noindent\textbf{#2}\smallskip%
|
||
\fi
|
||
}"""
|
||
|
||
PreambleCmds.transition = r"""
|
||
% transition (break, fancybreak, anonymous section)
|
||
\providecommand*{\DUtransition}{%
|
||
\hspace*{\fill}\hrulefill\hspace*{\fill}
|
||
\vskip 0.5\baselineskip
|
||
}"""
|
||
|
||
|
||
# LaTeX encoding maps
|
||
# -------------------
|
||
# ::
|
||
|
||
class CharMaps(object):
|
||
"""LaTeX representations for active and Unicode characters."""
|
||
|
||
# characters that need escaping even in `alltt` environments:
|
||
alltt = {
|
||
ord('\\'): r'\textbackslash{}',
|
||
ord('{'): r'\{',
|
||
ord('}'): r'\}',
|
||
}
|
||
# characters that normally need escaping:
|
||
special = {
|
||
ord('#'): r'\#',
|
||
ord('$'): r'\$',
|
||
ord('%'): r'\%',
|
||
ord('&'): r'\&',
|
||
ord('~'): r'\textasciitilde{}',
|
||
ord('_'): r'\_',
|
||
ord('^'): r'\textasciicircum{}',
|
||
# straight double quotes are 'active' in many languages
|
||
ord('"'): r'\textquotedbl{}',
|
||
# Square brackets are ordinary chars and cannot be escaped with '\',
|
||
# so we put them in a group '{[}'. (Alternative: ensure that all
|
||
# macros with optional arguments are terminated with {} and text
|
||
# inside any optional argument is put in a group ``[{text}]``).
|
||
# Commands with optional args inside an optional arg must be put in a
|
||
# group, e.g. ``\item[{\hyperref[label]{text}}]``.
|
||
ord('['): r'{[}',
|
||
ord(']'): r'{]}',
|
||
# the soft hyphen is unknown in 8-bit text
|
||
# and not properly handled by XeTeX
|
||
0x00AD: r'\-', # SOFT HYPHEN
|
||
}
|
||
# Unicode chars that are not recognized by LaTeX's utf8 encoding
|
||
unsupported_unicode = {
|
||
# TODO: ensure white space also at the beginning of a line?
|
||
# 0x00A0: ur'\leavevmode\nobreak\vadjust{}~'
|
||
0x2000: r'\enskip', # EN QUAD
|
||
0x2001: r'\quad', # EM QUAD
|
||
0x2002: r'\enskip', # EN SPACE
|
||
0x2003: r'\quad', # EM SPACE
|
||
0x2008: r'\,', # PUNCTUATION SPACE
|
||
0x200b: r'\hspace{0pt}', # ZERO WIDTH SPACE
|
||
0x202F: r'\,', # NARROW NO-BREAK SPACE
|
||
# 0x02d8: ur'\\u{ }', # BREVE
|
||
0x2011: r'\hbox{-}', # NON-BREAKING HYPHEN
|
||
0x212b: r'\AA', # ANGSTROM SIGN
|
||
0x21d4: r'\ensuremath{\Leftrightarrow}',
|
||
# Docutils footnote symbols:
|
||
0x2660: r'\ensuremath{\spadesuit}',
|
||
0x2663: r'\ensuremath{\clubsuit}',
|
||
0xfb00: r'ff', # LATIN SMALL LIGATURE FF
|
||
0xfb01: r'fi', # LATIN SMALL LIGATURE FI
|
||
0xfb02: r'fl', # LATIN SMALL LIGATURE FL
|
||
0xfb03: r'ffi', # LATIN SMALL LIGATURE FFI
|
||
0xfb04: r'ffl', # LATIN SMALL LIGATURE FFL
|
||
}
|
||
# Unicode chars that are recognized by LaTeX's utf8 encoding
|
||
utf8_supported_unicode = {
|
||
0x00A0: r'~', # NO-BREAK SPACE
|
||
0x00AB: r'\guillemotleft{}', # LEFT-POINTING DOUBLE ANGLE QUOTATION MARK
|
||
0x00bb: r'\guillemotright{}', # RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK
|
||
0x200C: r'\textcompwordmark{}', # ZERO WIDTH NON-JOINER
|
||
0x2013: r'\textendash{}',
|
||
0x2014: r'\textemdash{}',
|
||
0x2018: r'\textquoteleft{}',
|
||
0x2019: r'\textquoteright{}',
|
||
0x201A: r'\quotesinglbase{}', # SINGLE LOW-9 QUOTATION MARK
|
||
0x201C: r'\textquotedblleft{}',
|
||
0x201D: r'\textquotedblright{}',
|
||
0x201E: r'\quotedblbase{}', # DOUBLE LOW-9 QUOTATION MARK
|
||
0x2030: r'\textperthousand{}', # PER MILLE SIGN
|
||
0x2031: r'\textpertenthousand{}', # PER TEN THOUSAND SIGN
|
||
0x2039: r'\guilsinglleft{}',
|
||
0x203A: r'\guilsinglright{}',
|
||
0x2423: r'\textvisiblespace{}', # OPEN BOX
|
||
0x2020: r'\dag{}',
|
||
0x2021: r'\ddag{}',
|
||
0x2026: r'\dots{}',
|
||
0x2122: r'\texttrademark{}',
|
||
}
|
||
# recognized with 'utf8', if textcomp is loaded
|
||
textcomp = {
|
||
# Latin-1 Supplement
|
||
0x00a2: r'\textcent{}', # ¢ CENT SIGN
|
||
0x00a4: r'\textcurrency{}', # ¤ CURRENCY SYMBOL
|
||
0x00a5: r'\textyen{}', # ¥ YEN SIGN
|
||
0x00a6: r'\textbrokenbar{}', # ¦ BROKEN BAR
|
||
0x00a7: r'\textsection{}', # § SECTION SIGN
|
||
0x00a8: r'\textasciidieresis{}', # ¨ DIAERESIS
|
||
0x00a9: r'\textcopyright{}', # © COPYRIGHT SIGN
|
||
0x00aa: r'\textordfeminine{}', # ª FEMININE ORDINAL INDICATOR
|
||
0x00ac: r'\textlnot{}', # ¬ NOT SIGN
|
||
0x00ae: r'\textregistered{}', # ® REGISTERED SIGN
|
||
0x00af: r'\textasciimacron{}', # ¯ MACRON
|
||
0x00b0: r'\textdegree{}', # ° DEGREE SIGN
|
||
0x00b1: r'\textpm{}', # ± PLUS-MINUS SIGN
|
||
0x00b2: r'\texttwosuperior{}', # ² SUPERSCRIPT TWO
|
||
0x00b3: r'\textthreesuperior{}', # ³ SUPERSCRIPT THREE
|
||
0x00b4: r'\textasciiacute{}', # ´ ACUTE ACCENT
|
||
0x00b5: r'\textmu{}', # µ MICRO SIGN
|
||
0x00b6: r'\textparagraph{}', # ¶ PILCROW SIGN # != \textpilcrow
|
||
0x00b9: r'\textonesuperior{}', # ¹ SUPERSCRIPT ONE
|
||
0x00ba: r'\textordmasculine{}', # º MASCULINE ORDINAL INDICATOR
|
||
0x00bc: r'\textonequarter{}', # 1/4 FRACTION
|
||
0x00bd: r'\textonehalf{}', # 1/2 FRACTION
|
||
0x00be: r'\textthreequarters{}', # 3/4 FRACTION
|
||
0x00d7: r'\texttimes{}', # × MULTIPLICATION SIGN
|
||
0x00f7: r'\textdiv{}', # ÷ DIVISION SIGN
|
||
# others
|
||
0x0192: r'\textflorin{}', # LATIN SMALL LETTER F WITH HOOK
|
||
0x02b9: r'\textasciiacute{}', # MODIFIER LETTER PRIME
|
||
0x02ba: r'\textacutedbl{}', # MODIFIER LETTER DOUBLE PRIME
|
||
0x2016: r'\textbardbl{}', # DOUBLE VERTICAL LINE
|
||
0x2022: r'\textbullet{}', # BULLET
|
||
0x2032: r'\textasciiacute{}', # PRIME
|
||
0x2033: r'\textacutedbl{}', # DOUBLE PRIME
|
||
0x2035: r'\textasciigrave{}', # REVERSED PRIME
|
||
0x2036: r'\textgravedbl{}', # REVERSED DOUBLE PRIME
|
||
0x203b: r'\textreferencemark{}', # REFERENCE MARK
|
||
0x203d: r'\textinterrobang{}', # INTERROBANG
|
||
0x2044: r'\textfractionsolidus{}', # FRACTION SLASH
|
||
0x2045: r'\textlquill{}', # LEFT SQUARE BRACKET WITH QUILL
|
||
0x2046: r'\textrquill{}', # RIGHT SQUARE BRACKET WITH QUILL
|
||
0x2052: r'\textdiscount{}', # COMMERCIAL MINUS SIGN
|
||
0x20a1: r'\textcolonmonetary{}', # COLON SIGN
|
||
0x20a3: r'\textfrenchfranc{}', # FRENCH FRANC SIGN
|
||
0x20a4: r'\textlira{}', # LIRA SIGN
|
||
0x20a6: r'\textnaira{}', # NAIRA SIGN
|
||
0x20a9: r'\textwon{}', # WON SIGN
|
||
0x20ab: r'\textdong{}', # DONG SIGN
|
||
0x20ac: r'\texteuro{}', # EURO SIGN
|
||
0x20b1: r'\textpeso{}', # PESO SIGN
|
||
0x20b2: r'\textguarani{}', # GUARANI SIGN
|
||
0x2103: r'\textcelsius{}', # DEGREE CELSIUS
|
||
0x2116: r'\textnumero{}', # NUMERO SIGN
|
||
0x2117: r'\textcircledP{}', # SOUND RECORDING COYRIGHT
|
||
0x211e: r'\textrecipe{}', # PRESCRIPTION TAKE
|
||
0x2120: r'\textservicemark{}', # SERVICE MARK
|
||
0x2122: r'\texttrademark{}', # TRADE MARK SIGN
|
||
0x2126: r'\textohm{}', # OHM SIGN
|
||
0x2127: r'\textmho{}', # INVERTED OHM SIGN
|
||
0x212e: r'\textestimated{}', # ESTIMATED SYMBOL
|
||
0x2190: r'\textleftarrow{}', # LEFTWARDS ARROW
|
||
0x2191: r'\textuparrow{}', # UPWARDS ARROW
|
||
0x2192: r'\textrightarrow{}', # RIGHTWARDS ARROW
|
||
0x2193: r'\textdownarrow{}', # DOWNWARDS ARROW
|
||
0x2212: r'\textminus{}', # MINUS SIGN
|
||
0x2217: r'\textasteriskcentered{}', # ASTERISK OPERATOR
|
||
0x221a: r'\textsurd{}', # SQUARE ROOT
|
||
0x2422: r'\textblank{}', # BLANK SYMBOL
|
||
0x25e6: r'\textopenbullet{}', # WHITE BULLET
|
||
0x25ef: r'\textbigcircle{}', # LARGE CIRCLE
|
||
0x266a: r'\textmusicalnote{}', # EIGHTH NOTE
|
||
0x26ad: r'\textmarried{}', # MARRIAGE SYMBOL
|
||
0x26ae: r'\textdivorced{}', # DIVORCE SYMBOL
|
||
0x27e8: r'\textlangle{}', # MATHEMATICAL LEFT ANGLE BRACKET
|
||
0x27e9: r'\textrangle{}', # MATHEMATICAL RIGHT ANGLE BRACKET
|
||
}
|
||
# Unicode chars that require a feature/package to render
|
||
pifont = {
|
||
0x2665: r'\ding{170}', # black heartsuit
|
||
0x2666: r'\ding{169}', # black diamondsuit
|
||
0x2713: r'\ding{51}', # check mark
|
||
0x2717: r'\ding{55}', # check mark
|
||
}
|
||
# TODO: greek alphabet ... ?
|
||
# see also LaTeX codec
|
||
# http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/252124
|
||
# and unimap.py from TeXML
|
||
|
||
|
||
class DocumentClass(object):
|
||
"""Details of a LaTeX document class."""
|
||
|
||
def __init__(self, document_class, with_part=False):
|
||
self.document_class = document_class
|
||
self._with_part = with_part
|
||
self.sections = ['section', 'subsection', 'subsubsection',
|
||
'paragraph', 'subparagraph']
|
||
if self.document_class in ('book', 'memoir', 'report',
|
||
'scrbook', 'scrreprt'):
|
||
self.sections.insert(0, 'chapter')
|
||
if self._with_part:
|
||
self.sections.insert(0, 'part')
|
||
|
||
def section(self, level):
|
||
"""Return the LaTeX section name for section `level`.
|
||
|
||
The name depends on the specific document class.
|
||
Level is 1,2,3..., as level 0 is the title.
|
||
"""
|
||
if level <= len(self.sections):
|
||
return self.sections[level-1]
|
||
else: # unsupported levels
|
||
return 'DUtitle[section%s]' % roman.toRoman(level)
|
||
|
||
class Table(object):
|
||
"""Manage a table while traversing.
|
||
|
||
Maybe change to a mixin defining the visit/departs, but then
|
||
class Table internal variables are in the Translator.
|
||
|
||
Table style might be
|
||
|
||
:standard: horizontal and vertical lines
|
||
:booktabs: only horizontal lines (requires "booktabs" LaTeX package)
|
||
:borderless: no borders around table cells
|
||
:nolines: alias for borderless
|
||
|
||
:colwidths-auto: column widths determined by LaTeX
|
||
:colwidths-given: use colum widths from rST source
|
||
"""
|
||
def __init__(self, translator, latex_type):
|
||
self._translator = translator
|
||
self._latex_type = latex_type
|
||
self._open = False
|
||
# miscellaneous attributes
|
||
self._attrs = {}
|
||
self._col_width = []
|
||
self._rowspan = []
|
||
self.stubs = []
|
||
self.colwidths_auto = False
|
||
self._in_thead = 0
|
||
|
||
def open(self):
|
||
self._open = True
|
||
self._col_specs = []
|
||
self.caption = []
|
||
self._attrs = {}
|
||
self._in_head = False # maybe context with search
|
||
def close(self):
|
||
self._open = False
|
||
self._col_specs = None
|
||
self.caption = []
|
||
self._attrs = {}
|
||
self.stubs = []
|
||
self.colwidths_auto = False
|
||
|
||
def is_open(self):
|
||
return self._open
|
||
|
||
def set_table_style(self, table_style, classes):
|
||
borders = [cls.replace('nolines', 'borderless')
|
||
for cls in table_style+classes
|
||
if cls in ('standard','booktabs','borderless', 'nolines')]
|
||
try:
|
||
self.borders = borders[-1]
|
||
except IndexError:
|
||
self.borders = 'standard'
|
||
self.colwidths_auto = (('colwidths-auto' in classes
|
||
and 'colwidths-given' not in table_style)
|
||
or ('colwidths-auto' in table_style
|
||
and ('colwidths-given' not in classes)))
|
||
|
||
def get_latex_type(self):
|
||
if self._latex_type == 'longtable' and not self.caption:
|
||
# do not advance the "table" counter (requires "ltcaption" package)
|
||
return('longtable*')
|
||
return self._latex_type
|
||
|
||
def set(self,attr,value):
|
||
self._attrs[attr] = value
|
||
def get(self,attr):
|
||
if attr in self._attrs:
|
||
return self._attrs[attr]
|
||
return None
|
||
|
||
def get_vertical_bar(self):
|
||
if self.borders == 'standard':
|
||
return '|'
|
||
return ''
|
||
|
||
# horizontal lines are drawn below a row,
|
||
def get_opening(self):
|
||
align_map = {'left': 'l',
|
||
'center': 'c',
|
||
'right': 'r'}
|
||
align = align_map.get(self.get('align') or 'center')
|
||
opening = [r'\begin{%s}[%s]' % (self.get_latex_type(), align)]
|
||
if not self.colwidths_auto:
|
||
opening.insert(0, r'\setlength{\DUtablewidth}{\linewidth}')
|
||
return '\n'.join(opening)
|
||
|
||
def get_closing(self):
|
||
closing = []
|
||
if self.borders == 'booktabs':
|
||
closing.append(r'\bottomrule')
|
||
# elif self.borders == 'standard':
|
||
# closing.append(r'\hline')
|
||
closing.append(r'\end{%s}' % self.get_latex_type())
|
||
return '\n'.join(closing)
|
||
|
||
def visit_colspec(self, node):
|
||
self._col_specs.append(node)
|
||
# "stubs" list is an attribute of the tgroup element:
|
||
self.stubs.append(node.attributes.get('stub'))
|
||
|
||
def get_colspecs(self, node):
|
||
"""Return column specification for longtable.
|
||
|
||
Assumes reST line length being 80 characters.
|
||
Table width is hairy.
|
||
|
||
=== ===
|
||
ABC DEF
|
||
=== ===
|
||
|
||
usually gets to narrow, therefore we add 1 (fiddlefactor).
|
||
"""
|
||
bar = self.get_vertical_bar()
|
||
self._rowspan= [0] * len(self._col_specs)
|
||
self._col_width = []
|
||
if self.colwidths_auto:
|
||
latex_table_spec = (bar+'l')*len(self._col_specs)
|
||
return latex_table_spec+bar
|
||
width = 80
|
||
total_width = 0.0
|
||
# first see if we get too wide.
|
||
for node in self._col_specs:
|
||
colwidth = float(node['colwidth']+1) / width
|
||
total_width += colwidth
|
||
# donot make it full linewidth
|
||
factor = 0.93
|
||
if total_width > 1.0:
|
||
factor /= total_width
|
||
latex_table_spec = ''
|
||
for node in self._col_specs:
|
||
colwidth = factor * float(node['colwidth']+1) / width
|
||
self._col_width.append(colwidth+0.005)
|
||
latex_table_spec += '%sp{%.3f\\DUtablewidth}' % (bar, colwidth+0.005)
|
||
return latex_table_spec+bar
|
||
|
||
def get_column_width(self):
|
||
"""Return columnwidth for current cell (not multicell)."""
|
||
try:
|
||
return '%.2f\\DUtablewidth' % self._col_width[self._cell_in_row]
|
||
except IndexError:
|
||
return '*'
|
||
|
||
def get_multicolumn_width(self, start, len_):
|
||
"""Return sum of columnwidths for multicell."""
|
||
try:
|
||
mc_width = sum([width
|
||
for width in ([self._col_width[start + co]
|
||
for co in range (len_)])])
|
||
return 'p{%.2f\\DUtablewidth}' % mc_width
|
||
except IndexError:
|
||
return 'l'
|
||
|
||
def get_caption(self):
|
||
if not self.caption:
|
||
return ''
|
||
caption = ''.join(self.caption)
|
||
if 1 == self._translator.thead_depth():
|
||
return r'\caption{%s}\\' '\n' % caption
|
||
return r'\caption[]{%s (... continued)}\\' '\n' % caption
|
||
|
||
def need_recurse(self):
|
||
if self._latex_type == 'longtable':
|
||
return 1 == self._translator.thead_depth()
|
||
return 0
|
||
|
||
def visit_thead(self):
|
||
self._in_thead += 1
|
||
if self.borders == 'standard':
|
||
return ['\\hline\n']
|
||
elif self.borders == 'booktabs':
|
||
return ['\\toprule\n']
|
||
return []
|
||
|
||
def depart_thead(self):
|
||
a = []
|
||
#if self.borders == 'standard':
|
||
# a.append('\\hline\n')
|
||
if self.borders == 'booktabs':
|
||
a.append('\\midrule\n')
|
||
if self._latex_type == 'longtable':
|
||
if 1 == self._translator.thead_depth():
|
||
a.append('\\endfirsthead\n')
|
||
else:
|
||
a.append('\\endhead\n')
|
||
a.append(r'\multicolumn{%d}{c}' % len(self._col_specs) +
|
||
r'{\hfill ... continued on next page} \\')
|
||
a.append('\n\\endfoot\n\\endlastfoot\n')
|
||
# for longtable one could add firsthead, foot and lastfoot
|
||
self._in_thead -= 1
|
||
return a
|
||
|
||
def visit_row(self):
|
||
self._cell_in_row = 0
|
||
|
||
def depart_row(self):
|
||
res = [' \\\\\n']
|
||
self._cell_in_row = None # remove cell counter
|
||
for i in range(len(self._rowspan)):
|
||
if (self._rowspan[i]>0):
|
||
self._rowspan[i] -= 1
|
||
|
||
if self.borders == 'standard':
|
||
rowspans = [i+1 for i in range(len(self._rowspan))
|
||
if (self._rowspan[i]<=0)]
|
||
if len(rowspans)==len(self._rowspan):
|
||
res.append('\\hline\n')
|
||
else:
|
||
cline = ''
|
||
rowspans.reverse()
|
||
# TODO merge clines
|
||
while True:
|
||
try:
|
||
c_start = rowspans.pop()
|
||
except:
|
||
break
|
||
cline += '\\cline{%d-%d}\n' % (c_start,c_start)
|
||
res.append(cline)
|
||
return res
|
||
|
||
def set_rowspan(self,cell,value):
|
||
try:
|
||
self._rowspan[cell] = value
|
||
except:
|
||
pass
|
||
|
||
def get_rowspan(self,cell):
|
||
try:
|
||
return self._rowspan[cell]
|
||
except:
|
||
return 0
|
||
|
||
def get_entry_number(self):
|
||
return self._cell_in_row
|
||
|
||
def visit_entry(self):
|
||
self._cell_in_row += 1
|
||
|
||
def is_stub_column(self):
|
||
if len(self.stubs) >= self._cell_in_row:
|
||
return self.stubs[self._cell_in_row]
|
||
return False
|
||
|
||
|
||
class LaTeXTranslator(nodes.NodeVisitor):
|
||
"""
|
||
Generate code for 8-bit LaTeX from a Docutils document tree.
|
||
|
||
See the docstring of docutils.writers._html_base.HTMLTranslator for
|
||
notes on and examples of safe subclassing.
|
||
"""
|
||
|
||
# When options are given to the documentclass, latex will pass them
|
||
# to other packages, as done with babel.
|
||
# Dummy settings might be taken from document settings
|
||
|
||
# Generate code for typesetting with 8-bit latex/pdflatex vs.
|
||
# xelatex/lualatex engine. Overwritten by the XeTeX writer
|
||
is_xetex = False
|
||
|
||
# Config setting defaults
|
||
# -----------------------
|
||
|
||
# TODO: use mixins for different implementations.
|
||
# list environment for docinfo. else tabularx
|
||
## use_optionlist_for_docinfo = False # TODO: NOT YET IN USE
|
||
|
||
# Use compound enumerations (1.A.1.)
|
||
compound_enumerators = False
|
||
|
||
# If using compound enumerations, include section information.
|
||
section_prefix_for_enumerators = False
|
||
|
||
# This is the character that separates the section ("." subsection ...)
|
||
# prefix from the regular list enumerator.
|
||
section_enumerator_separator = '-'
|
||
|
||
# Auxiliary variables
|
||
# -------------------
|
||
|
||
has_latex_toc = False # is there a toc in the doc? (needed by minitoc)
|
||
is_toc_list = False # is the current bullet_list a ToC?
|
||
section_level = 0
|
||
|
||
# Flags to encode():
|
||
# inside citation reference labels underscores dont need to be escaped
|
||
inside_citation_reference_label = False
|
||
verbatim = False # do not encode
|
||
insert_non_breaking_blanks = False # replace blanks by "~"
|
||
insert_newline = False # add latex newline commands
|
||
literal = False # literal text (block or inline)
|
||
alltt = False # inside `alltt` environment
|
||
|
||
def __init__(self, document, babel_class=Babel):
|
||
nodes.NodeVisitor.__init__(self, document)
|
||
# Reporter
|
||
# ~~~~~~~~
|
||
self.warn = self.document.reporter.warning
|
||
self.error = self.document.reporter.error
|
||
|
||
# Settings
|
||
# ~~~~~~~~
|
||
self.settings = settings = document.settings
|
||
self.latex_encoding = self.to_latex_encoding(settings.output_encoding)
|
||
self.use_latex_toc = settings.use_latex_toc
|
||
self.use_latex_docinfo = settings.use_latex_docinfo
|
||
self._use_latex_citations = settings.use_latex_citations
|
||
self._reference_label = settings.reference_label
|
||
self.hyperlink_color = settings.hyperlink_color
|
||
self.compound_enumerators = settings.compound_enumerators
|
||
self.font_encoding = getattr(settings, 'font_encoding', '')
|
||
self.section_prefix_for_enumerators = (
|
||
settings.section_prefix_for_enumerators)
|
||
self.section_enumerator_separator = (
|
||
settings.section_enumerator_separator.replace('_', r'\_'))
|
||
# literal blocks:
|
||
self.literal_block_env = 'alltt'
|
||
self.literal_block_options = ''
|
||
if settings.literal_block_env != '':
|
||
(none,
|
||
self.literal_block_env,
|
||
self.literal_block_options,
|
||
none ) = re.split(r'(\w+)(.*)', settings.literal_block_env)
|
||
elif settings.use_verbatim_when_possible:
|
||
self.literal_block_env = 'verbatim'
|
||
#
|
||
if self.settings.use_bibtex:
|
||
self.bibtex = self.settings.use_bibtex.split(',',1)
|
||
# TODO avoid errors on not declared citations.
|
||
else:
|
||
self.bibtex = None
|
||
# language module for Docutils-generated text
|
||
# (labels, bibliographic_fields, and author_separators)
|
||
self.language_module = languages.get_language(settings.language_code,
|
||
document.reporter)
|
||
self.babel = babel_class(settings.language_code, document.reporter)
|
||
self.author_separator = self.language_module.author_separators[0]
|
||
d_options = [self.settings.documentoptions]
|
||
if self.babel.language not in ('english', ''):
|
||
d_options.append(self.babel.language)
|
||
self.documentoptions = ','.join([_f for _f in d_options if _f])
|
||
self.d_class = DocumentClass(settings.documentclass,
|
||
settings.use_part_section)
|
||
# graphic package options:
|
||
if self.settings.graphicx_option == '':
|
||
self.graphicx_package = r'\usepackage{graphicx}'
|
||
elif self.settings.graphicx_option.lower() == 'auto':
|
||
self.graphicx_package = PreambleCmds.graphicx_auto
|
||
else:
|
||
self.graphicx_package = (r'\usepackage[%s]{graphicx}' %
|
||
self.settings.graphicx_option)
|
||
# footnotes:
|
||
self.docutils_footnotes = settings.docutils_footnotes
|
||
# @@ table_style: list of values from fixed set: warn?
|
||
# for s in self.settings.table_style:
|
||
# if s not in Writer.table_style_values:
|
||
# self.warn('Ignoring value "%s" in "table-style" setting.' %s)
|
||
|
||
# Output collection stacks
|
||
# ~~~~~~~~~~~~~~~~~~~~~~~~
|
||
|
||
# Document parts
|
||
self.head_prefix = [r'\documentclass[%s]{%s}' %
|
||
(self.documentoptions, self.settings.documentclass)]
|
||
self.requirements = SortableDict() # made a list in depart_document()
|
||
self.requirements['__static'] = r'\usepackage{ifthen}'
|
||
self.latex_preamble = [settings.latex_preamble]
|
||
self.fallbacks = SortableDict() # made a list in depart_document()
|
||
self.pdfsetup = [] # PDF properties (hyperref package)
|
||
self.title = []
|
||
self.subtitle = []
|
||
self.titledata = [] # \title, \author, \date
|
||
## self.body_prefix = ['\\begin{document}\n']
|
||
self.body_pre_docinfo = [] # \maketitle
|
||
self.docinfo = []
|
||
self.dedication = []
|
||
self.abstract = []
|
||
self.body = []
|
||
## self.body_suffix = ['\\end{document}\n']
|
||
|
||
self.context = []
|
||
"""Heterogeneous stack.
|
||
|
||
Used by visit_* and depart_* functions in conjunction with the tree
|
||
traversal. Make sure that the pops correspond to the pushes."""
|
||
|
||
# Title metadata:
|
||
self.title_labels = []
|
||
self.subtitle_labels = []
|
||
# (if use_latex_docinfo: collects lists of
|
||
# author/organization/contact/address lines)
|
||
self.author_stack = []
|
||
self.date = []
|
||
|
||
# PDF properties: pdftitle, pdfauthor
|
||
# TODO?: pdfcreator, pdfproducer, pdfsubject, pdfkeywords
|
||
self.pdfinfo = []
|
||
self.pdfauthor = []
|
||
|
||
# Stack of section counters so that we don't have to use_latex_toc.
|
||
# This will grow and shrink as processing occurs.
|
||
# Initialized for potential first-level sections.
|
||
self._section_number = [0]
|
||
|
||
# The current stack of enumerations so that we can expand
|
||
# them into a compound enumeration.
|
||
self._enumeration_counters = []
|
||
# The maximum number of enumeration counters we've used.
|
||
# If we go beyond this number, we need to create a new
|
||
# counter; otherwise, just reuse an old one.
|
||
self._max_enumeration_counters = 0
|
||
|
||
self._bibitems = []
|
||
|
||
# object for a table while proccessing.
|
||
self.table_stack = []
|
||
self.active_table = Table(self, 'longtable')
|
||
|
||
# Where to collect the output of visitor methods (default: body)
|
||
self.out = self.body
|
||
self.out_stack = [] # stack of output collectors
|
||
|
||
# Process settings
|
||
# ~~~~~~~~~~~~~~~~
|
||
# Encodings:
|
||
# Docutils' output-encoding => TeX input encoding
|
||
if self.latex_encoding != 'ascii':
|
||
self.requirements['_inputenc'] = (r'\usepackage[%s]{inputenc}'
|
||
% self.latex_encoding)
|
||
# TeX font encoding
|
||
if not self.is_xetex:
|
||
if self.font_encoding:
|
||
self.requirements['_fontenc'] = (r'\usepackage[%s]{fontenc}' %
|
||
self.font_encoding)
|
||
# ensure \textquotedbl is defined:
|
||
for enc in self.font_encoding.split(','):
|
||
enc = enc.strip()
|
||
if enc == 'OT1':
|
||
self.requirements['_textquotedblOT1'] = (
|
||
r'\DeclareTextSymbol{\textquotedbl}{OT1}{`\"}')
|
||
elif enc not in ('T1', 'T2A', 'T2B', 'T2C', 'T4', 'T5'):
|
||
self.requirements['_textquotedbl'] = (
|
||
r'\DeclareTextSymbolDefault{\textquotedbl}{T1}')
|
||
# page layout with typearea (if there are relevant document options)
|
||
if (settings.documentclass.find('scr') == -1 and
|
||
(self.documentoptions.find('DIV') != -1 or
|
||
self.documentoptions.find('BCOR') != -1)):
|
||
self.requirements['typearea'] = r'\usepackage{typearea}'
|
||
|
||
# Stylesheets
|
||
# (the name `self.stylesheet` is singular because only one
|
||
# stylesheet was supported before Docutils 0.6).
|
||
self.stylesheet = [self.stylesheet_call(path)
|
||
for path in utils.get_stylesheet_list(settings)]
|
||
|
||
# PDF setup
|
||
if self.hyperlink_color in ('0', 'false', 'False', ''):
|
||
self.hyperref_options = ''
|
||
else:
|
||
self.hyperref_options = 'colorlinks=true,linkcolor=%s,urlcolor=%s' % (
|
||
self.hyperlink_color, self.hyperlink_color)
|
||
if settings.hyperref_options:
|
||
self.hyperref_options += ',' + settings.hyperref_options
|
||
|
||
# LaTeX Toc
|
||
# include all supported sections in toc and PDF bookmarks
|
||
# (or use documentclass-default (as currently))?
|
||
## if self.use_latex_toc:
|
||
## self.requirements['tocdepth'] = (r'\setcounter{tocdepth}{%d}' %
|
||
## len(self.d_class.sections))
|
||
|
||
# Section numbering
|
||
if settings.sectnum_xform: # section numbering by Docutils
|
||
PreambleCmds.secnumdepth = r'\setcounter{secnumdepth}{0}'
|
||
else: # section numbering by LaTeX:
|
||
secnumdepth = settings.sectnum_depth
|
||
# Possible values of settings.sectnum_depth:
|
||
# None "sectnum" directive without depth arg -> LaTeX default
|
||
# 0 no "sectnum" directive -> no section numbers
|
||
# >0 value of "depth" argument -> translate to LaTeX levels:
|
||
# -1 part (0 with "article" document class)
|
||
# 0 chapter (missing in "article" document class)
|
||
# 1 section
|
||
# 2 subsection
|
||
# 3 subsubsection
|
||
# 4 paragraph
|
||
# 5 subparagraph
|
||
if secnumdepth is not None:
|
||
# limit to supported levels
|
||
secnumdepth = min(secnumdepth, len(self.d_class.sections))
|
||
# adjust to document class and use_part_section settings
|
||
if 'chapter' in self.d_class.sections:
|
||
secnumdepth -= 1
|
||
if self.d_class.sections[0] == 'part':
|
||
secnumdepth -= 1
|
||
PreambleCmds.secnumdepth = \
|
||
r'\setcounter{secnumdepth}{%d}' % secnumdepth
|
||
|
||
# start with specified number:
|
||
if (hasattr(settings, 'sectnum_start') and
|
||
settings.sectnum_start != 1):
|
||
self.requirements['sectnum_start'] = (
|
||
r'\setcounter{%s}{%d}' % (self.d_class.sections[0],
|
||
settings.sectnum_start-1))
|
||
# TODO: currently ignored (configure in a stylesheet):
|
||
## settings.sectnum_prefix
|
||
## settings.sectnum_suffix
|
||
|
||
# Auxiliary Methods
|
||
# -----------------
|
||
|
||
def stylesheet_call(self, path):
|
||
"""Return code to reference or embed stylesheet file `path`"""
|
||
# is it a package (no extension or *.sty) or "normal" tex code:
|
||
(base, ext) = os.path.splitext(path)
|
||
is_package = ext in ['.sty', '']
|
||
# Embed content of style file:
|
||
if self.settings.embed_stylesheet:
|
||
if is_package:
|
||
path = base + '.sty' # ensure extension
|
||
try:
|
||
content = io.FileInput(source_path=path,
|
||
encoding='utf-8').read()
|
||
self.settings.record_dependencies.add(path)
|
||
except IOError as err:
|
||
msg = "Cannot embed stylesheet '%s':\n %s." % (
|
||
path, SafeString(err.strerror))
|
||
self.document.reporter.error(msg)
|
||
return '% ' + msg.replace('\n', '\n% ')
|
||
if is_package:
|
||
content = '\n'.join([r'\makeatletter',
|
||
content,
|
||
r'\makeatother'])
|
||
return '%% embedded stylesheet: %s\n%s' % (path, content)
|
||
# Link to style file:
|
||
if is_package:
|
||
path = base # drop extension
|
||
cmd = r'\usepackage{%s}'
|
||
else:
|
||
cmd = r'\input{%s}'
|
||
if self.settings.stylesheet_path:
|
||
# adapt path relative to output (cf. config.html#stylesheet-path)
|
||
path = utils.relative_path(self.settings._destination, path)
|
||
return cmd % path
|
||
|
||
def to_latex_encoding(self,docutils_encoding):
|
||
"""Translate docutils encoding name into LaTeX's.
|
||
|
||
Default method is remove "-" and "_" chars from docutils_encoding.
|
||
"""
|
||
tr = { 'iso-8859-1': 'latin1', # west european
|
||
'iso-8859-2': 'latin2', # east european
|
||
'iso-8859-3': 'latin3', # esperanto, maltese
|
||
'iso-8859-4': 'latin4', # north european, scandinavian, baltic
|
||
'iso-8859-5': 'iso88595', # cyrillic (ISO)
|
||
'iso-8859-9': 'latin5', # turkish
|
||
'iso-8859-15': 'latin9', # latin9, update to latin1.
|
||
'mac_cyrillic': 'maccyr', # cyrillic (on Mac)
|
||
'windows-1251': 'cp1251', # cyrillic (on Windows)
|
||
'koi8-r': 'koi8-r', # cyrillic (Russian)
|
||
'koi8-u': 'koi8-u', # cyrillic (Ukrainian)
|
||
'windows-1250': 'cp1250', #
|
||
'windows-1252': 'cp1252', #
|
||
'us-ascii': 'ascii', # ASCII (US)
|
||
# unmatched encodings
|
||
#'': 'applemac',
|
||
#'': 'ansinew', # windows 3.1 ansi
|
||
#'': 'ascii', # ASCII encoding for the range 32--127.
|
||
#'': 'cp437', # dos latin us
|
||
#'': 'cp850', # dos latin 1
|
||
#'': 'cp852', # dos latin 2
|
||
#'': 'decmulti',
|
||
#'': 'latin10',
|
||
#'iso-8859-6': '' # arabic
|
||
#'iso-8859-7': '' # greek
|
||
#'iso-8859-8': '' # hebrew
|
||
#'iso-8859-10': '' # latin6, more complete iso-8859-4
|
||
}
|
||
encoding = docutils_encoding.lower()
|
||
if encoding in tr:
|
||
return tr[encoding]
|
||
# drop hyphen or low-line from "latin-1", "latin_1", "utf-8" and similar
|
||
encoding = encoding.replace('_', '').replace('-', '')
|
||
# strip the error handler
|
||
return encoding.split(':')[0]
|
||
|
||
def language_label(self, docutil_label):
|
||
return self.language_module.labels[docutil_label]
|
||
|
||
def encode(self, text):
|
||
"""Return text with 'problematic' characters escaped.
|
||
|
||
* Escape the special printing characters ``# $ % & ~ _ ^ \\ { }``,
|
||
square brackets ``[ ]``, double quotes and (in OT1) ``< | >``.
|
||
* Translate non-supported Unicode characters.
|
||
* Separate ``-`` (and more in literal text) to prevent input ligatures.
|
||
"""
|
||
if self.verbatim:
|
||
return text
|
||
# Set up the translation table:
|
||
table = CharMaps.alltt.copy()
|
||
if not self.alltt:
|
||
table.update(CharMaps.special)
|
||
# keep the underscore in citation references
|
||
if self.inside_citation_reference_label:
|
||
del(table[ord('_')])
|
||
# Workarounds for OT1 font-encoding
|
||
if self.font_encoding in ['OT1', ''] and not self.is_xetex:
|
||
# * out-of-order characters in cmtt
|
||
if self.literal:
|
||
# replace underscore by underlined blank,
|
||
# because this has correct width.
|
||
table[ord('_')] = '\\underline{~}'
|
||
# the backslash doesn't work, so we use a mirrored slash.
|
||
# \reflectbox is provided by graphicx:
|
||
self.requirements['graphicx'] = self.graphicx_package
|
||
table[ord('\\')] = r'\reflectbox{/}'
|
||
# * ``< | >`` come out as different chars (except for cmtt):
|
||
else:
|
||
table[ord('|')] = r'\textbar{}'
|
||
table[ord('<')] = r'\textless{}'
|
||
table[ord('>')] = r'\textgreater{}'
|
||
if self.insert_non_breaking_blanks:
|
||
table[ord(' ')] = r'~'
|
||
# Unicode replacements for 8-bit tex engines (not required with XeTeX/LuaTeX):
|
||
if not self.is_xetex:
|
||
if not self.latex_encoding.startswith('utf8'):
|
||
table.update(CharMaps.unsupported_unicode)
|
||
table.update(CharMaps.utf8_supported_unicode)
|
||
table.update(CharMaps.textcomp)
|
||
table.update(CharMaps.pifont)
|
||
# Characters that require a feature/package to render
|
||
for ch in text:
|
||
cp = ord(ch)
|
||
if cp in CharMaps.textcomp:
|
||
self.requirements['textcomp'] = PreambleCmds.textcomp
|
||
elif cp in CharMaps.pifont:
|
||
self.requirements['pifont'] = '\\usepackage{pifont}'
|
||
# preamble-definitions for unsupported Unicode characters
|
||
elif (self.latex_encoding == 'utf8'
|
||
and cp in CharMaps.unsupported_unicode):
|
||
self.requirements['_inputenc'+str(cp)] = (
|
||
'\\DeclareUnicodeCharacter{%04X}{%s}'
|
||
% (cp, CharMaps.unsupported_unicode[cp]))
|
||
text = text.translate(table)
|
||
|
||
# Break up input ligatures e.g. '--' to '-{}-'.
|
||
if not self.is_xetex: # Not required with xetex/luatex
|
||
separate_chars = '-'
|
||
# In monospace-font, we also separate ',,', '``' and "''" and some
|
||
# other characters which can't occur in non-literal text.
|
||
if self.literal:
|
||
separate_chars += ',`\'"<>'
|
||
for char in separate_chars * 2:
|
||
# Do it twice ("* 2") because otherwise we would replace
|
||
# '---' by '-{}--'.
|
||
text = text.replace(char + char, char + '{}' + char)
|
||
|
||
# Literal line breaks (in address or literal blocks):
|
||
if self.insert_newline:
|
||
lines = text.split('\n')
|
||
# Add a protected space to blank lines (except the last)
|
||
# to avoid ``! LaTeX Error: There's no line here to end.``
|
||
for i, line in enumerate(lines[:-1]):
|
||
if not line.lstrip():
|
||
lines[i] += '~'
|
||
text = (r'\\' + '\n').join(lines)
|
||
if self.literal and not self.insert_non_breaking_blanks:
|
||
# preserve runs of spaces but allow wrapping
|
||
text = text.replace(' ', ' ~')
|
||
return text
|
||
|
||
def attval(self, text,
|
||
whitespace=re.compile('[\n\r\t\v\f]')):
|
||
"""Cleanse, encode, and return attribute value text."""
|
||
return self.encode(whitespace.sub(' ', text))
|
||
|
||
# TODO: is this used anywhere? -> update (use template) or delete
|
||
## def astext(self):
|
||
## """Assemble document parts and return as string."""
|
||
## head = '\n'.join(self.head_prefix + self.stylesheet + self.head)
|
||
## body = ''.join(self.body_prefix + self.body + self.body_suffix)
|
||
## return head + '\n' + body
|
||
|
||
def is_inline(self, node):
|
||
"""Check whether a node represents an inline or block-level element"""
|
||
return isinstance(node.parent, nodes.TextElement)
|
||
|
||
def append_hypertargets(self, node):
|
||
"""Append hypertargets for all ids of `node`"""
|
||
# hypertarget places the anchor at the target's baseline,
|
||
# so we raise it explicitely
|
||
self.out.append('%\n'.join(['\\raisebox{1em}{\\hypertarget{%s}{}}' %
|
||
id for id in node['ids']]))
|
||
|
||
def ids_to_labels(self, node, set_anchor=True):
|
||
"""Return list of label definitions for all ids of `node`
|
||
|
||
If `set_anchor` is True, an anchor is set with \\phantomsection.
|
||
"""
|
||
labels = ['\\label{%s}' % id for id in node.get('ids', [])]
|
||
if set_anchor and labels:
|
||
labels.insert(0, '\\phantomsection')
|
||
return labels
|
||
|
||
def set_align_from_classes(self, node):
|
||
"""Convert ``align-*`` class arguments into alignment args."""
|
||
# separate:
|
||
align = [cls for cls in node['classes'] if cls.startswith('align-')]
|
||
if align:
|
||
node['align'] = align[-1].replace('align-', '')
|
||
node['classes'] = [cls for cls in node['classes']
|
||
if not cls.startswith('align-')]
|
||
|
||
def insert_align_declaration(self, node, default=None):
|
||
align = node.get('align', default)
|
||
if align == 'left':
|
||
self.out.append('\\raggedright\n')
|
||
elif align == 'center':
|
||
self.out.append('\\centering\n')
|
||
elif align == 'right':
|
||
self.out.append('\\raggedleft\n')
|
||
|
||
def duclass_open(self, node):
|
||
"""Open a group and insert declarations for class values."""
|
||
if not isinstance(node.parent, nodes.compound):
|
||
self.out.append('\n')
|
||
for cls in node['classes']:
|
||
if cls.startswith('language-'):
|
||
language = self.babel.language_name(cls[9:])
|
||
if language:
|
||
self.babel.otherlanguages[language] = True
|
||
self.out.append('\\begin{selectlanguage}{%s}\n' % language)
|
||
else:
|
||
self.fallbacks['DUclass'] = PreambleCmds.duclass
|
||
self.out.append('\\begin{DUclass}{%s}\n' % cls)
|
||
|
||
def duclass_close(self, node):
|
||
"""Close a group of class declarations."""
|
||
for cls in reversed(node['classes']):
|
||
if cls.startswith('language-'):
|
||
language = self.babel.language_name(cls[9:])
|
||
if language:
|
||
self.babel.otherlanguages[language] = True
|
||
self.out.append('\\end{selectlanguage}\n')
|
||
else:
|
||
self.fallbacks['DUclass'] = PreambleCmds.duclass
|
||
self.out.append('\\end{DUclass}\n')
|
||
|
||
def push_output_collector(self, new_out):
|
||
self.out_stack.append(self.out)
|
||
self.out = new_out
|
||
|
||
def pop_output_collector(self):
|
||
self.out = self.out_stack.pop()
|
||
|
||
# Visitor methods
|
||
# ---------------
|
||
|
||
def visit_Text(self, node):
|
||
self.out.append(self.encode(node.astext()))
|
||
|
||
def depart_Text(self, node):
|
||
pass
|
||
|
||
def visit_abbreviation(self, node):
|
||
node['classes'].insert(0, 'abbreviation')
|
||
self.visit_inline(node)
|
||
|
||
def depart_abbreviation(self, node):
|
||
self.depart_inline(node)
|
||
|
||
def visit_acronym(self, node):
|
||
node['classes'].insert(0, 'acronym')
|
||
self.visit_inline(node)
|
||
|
||
def depart_acronym(self, node):
|
||
self.depart_inline(node)
|
||
|
||
def visit_address(self, node):
|
||
self.visit_docinfo_item(node, 'address')
|
||
|
||
def depart_address(self, node):
|
||
self.depart_docinfo_item(node)
|
||
|
||
def visit_admonition(self, node):
|
||
self.fallbacks['admonition'] = PreambleCmds.admonition
|
||
if 'error' in node['classes']:
|
||
self.fallbacks['error'] = PreambleCmds.error
|
||
# strip the generic 'admonition' from the list of classes
|
||
node['classes'] = [cls for cls in node['classes']
|
||
if cls != 'admonition']
|
||
self.out.append('\n\\DUadmonition[%s]{' % ','.join(node['classes']))
|
||
|
||
def depart_admonition(self, node=None):
|
||
self.out.append('}\n')
|
||
|
||
def visit_author(self, node):
|
||
self.visit_docinfo_item(node, 'author')
|
||
|
||
def depart_author(self, node):
|
||
self.depart_docinfo_item(node)
|
||
|
||
def visit_authors(self, node):
|
||
# not used: visit_author is called anyway for each author.
|
||
pass
|
||
|
||
def depart_authors(self, node):
|
||
pass
|
||
|
||
def visit_block_quote(self, node):
|
||
self.duclass_open(node)
|
||
self.out.append( '\\begin{quote}')
|
||
|
||
def depart_block_quote(self, node):
|
||
self.out.append( '\\end{quote}\n')
|
||
self.duclass_close(node)
|
||
|
||
def visit_bullet_list(self, node):
|
||
self.duclass_open(node)
|
||
if self.is_toc_list:
|
||
self.out.append( '\\begin{list}{}{}' )
|
||
else:
|
||
self.out.append( '\\begin{itemize}' )
|
||
|
||
def depart_bullet_list(self, node):
|
||
if self.is_toc_list:
|
||
self.out.append( '\\end{list}\n' )
|
||
else:
|
||
self.out.append( '\\end{itemize}\n' )
|
||
self.duclass_close(node)
|
||
|
||
def visit_superscript(self, node):
|
||
self.out.append(r'\textsuperscript{')
|
||
if node['classes']:
|
||
self.visit_inline(node)
|
||
|
||
def depart_superscript(self, node):
|
||
if node['classes']:
|
||
self.depart_inline(node)
|
||
self.out.append('}')
|
||
|
||
def visit_subscript(self, node):
|
||
self.fallbacks['textsubscript'] = PreambleCmds.textsubscript
|
||
self.out.append(r'\textsubscript{')
|
||
if node['classes']:
|
||
self.visit_inline(node)
|
||
|
||
def depart_subscript(self, node):
|
||
if node['classes']:
|
||
self.depart_inline(node)
|
||
self.out.append('}')
|
||
|
||
def visit_caption(self, node):
|
||
self.out.append('\n\\caption{')
|
||
|
||
def depart_caption(self, node):
|
||
self.out.append('}\n')
|
||
|
||
def visit_title_reference(self, node):
|
||
self.fallbacks['titlereference'] = PreambleCmds.titlereference
|
||
self.out.append(r'\DUroletitlereference{')
|
||
if node['classes']:
|
||
self.visit_inline(node)
|
||
|
||
def depart_title_reference(self, node):
|
||
if node['classes']:
|
||
self.depart_inline(node)
|
||
self.out.append( '}' )
|
||
|
||
def visit_citation(self, node):
|
||
# TODO maybe use cite bibitems
|
||
if self._use_latex_citations:
|
||
self.push_output_collector([])
|
||
else:
|
||
# TODO: do we need these?
|
||
## self.requirements['~fnt_floats'] = PreambleCmds.footnote_floats
|
||
self.out.append(r'\begin{figure}[b]')
|
||
self.append_hypertargets(node)
|
||
|
||
def depart_citation(self, node):
|
||
if self._use_latex_citations:
|
||
label = self.out[0]
|
||
text = ''.join(self.out[1:])
|
||
self._bibitems.append([label, text])
|
||
self.pop_output_collector()
|
||
else:
|
||
self.out.append('\\end{figure}\n')
|
||
|
||
def visit_citation_reference(self, node):
|
||
if self._use_latex_citations:
|
||
if not self.inside_citation_reference_label:
|
||
self.out.append(r'\cite{')
|
||
self.inside_citation_reference_label = 1
|
||
else:
|
||
assert self.body[-1] in (' ', '\n'),\
|
||
'unexpected non-whitespace while in reference label'
|
||
del self.body[-1]
|
||
else:
|
||
href = ''
|
||
if 'refid' in node:
|
||
href = node['refid']
|
||
elif 'refname' in node:
|
||
href = self.document.nameids[node['refname']]
|
||
self.out.append('\\hyperlink{%s}{[' % href)
|
||
|
||
def depart_citation_reference(self, node):
|
||
if self._use_latex_citations:
|
||
followup_citation = False
|
||
# check for a following citation separated by a space or newline
|
||
next_siblings = node.traverse(descend=False, siblings=True,
|
||
include_self=False)
|
||
if len(next_siblings) > 1:
|
||
next = next_siblings[0]
|
||
if (isinstance(next, nodes.Text) and
|
||
next.astext() in (' ', '\n')):
|
||
if next_siblings[1].__class__ == node.__class__:
|
||
followup_citation = True
|
||
if followup_citation:
|
||
self.out.append(',')
|
||
else:
|
||
self.out.append('}')
|
||
self.inside_citation_reference_label = False
|
||
else:
|
||
self.out.append(']}')
|
||
|
||
def visit_classifier(self, node):
|
||
self.out.append( '(\\textbf{' )
|
||
|
||
def depart_classifier(self, node):
|
||
self.out.append( '})' )
|
||
|
||
def visit_colspec(self, node):
|
||
self.active_table.visit_colspec(node)
|
||
|
||
def depart_colspec(self, node):
|
||
pass
|
||
|
||
def visit_comment(self, node):
|
||
if not isinstance(node.parent, nodes.compound):
|
||
self.out.append('\n')
|
||
# Precede every line with a comment sign, wrap in newlines
|
||
self.out.append('%% %s\n' % node.astext().replace('\n', '\n% '))
|
||
raise nodes.SkipNode
|
||
|
||
def depart_comment(self, node):
|
||
pass
|
||
|
||
def visit_compound(self, node):
|
||
if isinstance(node.parent, nodes.compound):
|
||
self.out.append('\n')
|
||
node['classes'].insert(0, 'compound')
|
||
self.duclass_open(node)
|
||
|
||
def depart_compound(self, node):
|
||
self.duclass_close(node)
|
||
|
||
def visit_contact(self, node):
|
||
self.visit_docinfo_item(node, 'contact')
|
||
|
||
def depart_contact(self, node):
|
||
self.depart_docinfo_item(node)
|
||
|
||
def visit_container(self, node):
|
||
self.duclass_open(node)
|
||
|
||
def depart_container(self, node):
|
||
self.duclass_close(node)
|
||
|
||
def visit_copyright(self, node):
|
||
self.visit_docinfo_item(node, 'copyright')
|
||
|
||
def depart_copyright(self, node):
|
||
self.depart_docinfo_item(node)
|
||
|
||
def visit_date(self, node):
|
||
self.visit_docinfo_item(node, 'date')
|
||
|
||
def depart_date(self, node):
|
||
self.depart_docinfo_item(node)
|
||
|
||
def visit_decoration(self, node):
|
||
# header and footer
|
||
pass
|
||
|
||
def depart_decoration(self, node):
|
||
pass
|
||
|
||
def visit_definition(self, node):
|
||
pass
|
||
|
||
def depart_definition(self, node):
|
||
self.out.append('\n') # TODO: just pass?
|
||
|
||
def visit_definition_list(self, node):
|
||
self.duclass_open(node)
|
||
self.out.append( '\\begin{description}\n' )
|
||
|
||
def depart_definition_list(self, node):
|
||
self.out.append( '\\end{description}\n' )
|
||
self.duclass_close(node)
|
||
|
||
def visit_definition_list_item(self, node):
|
||
pass
|
||
|
||
def depart_definition_list_item(self, node):
|
||
pass
|
||
|
||
def visit_description(self, node):
|
||
self.out.append(' ')
|
||
|
||
def depart_description(self, node):
|
||
pass
|
||
|
||
def visit_docinfo(self, node):
|
||
self.push_output_collector(self.docinfo)
|
||
|
||
def depart_docinfo(self, node):
|
||
self.pop_output_collector()
|
||
# Some itmes (e.g. author) end up at other places
|
||
if self.docinfo:
|
||
# tabularx: automatic width of columns, no page breaks allowed.
|
||
self.requirements['tabularx'] = r'\usepackage{tabularx}'
|
||
self.fallbacks['_providelength'] = PreambleCmds.providelength
|
||
self.fallbacks['docinfo'] = PreambleCmds.docinfo
|
||
#
|
||
self.docinfo.insert(0, '\n% Docinfo\n'
|
||
'\\begin{center}\n'
|
||
'\\begin{tabularx}{\\DUdocinfowidth}{lX}\n')
|
||
self.docinfo.append('\\end{tabularx}\n'
|
||
'\\end{center}\n')
|
||
|
||
def visit_docinfo_item(self, node, name):
|
||
if name == 'author':
|
||
self.pdfauthor.append(self.attval(node.astext()))
|
||
if self.use_latex_docinfo:
|
||
if name in ('author', 'organization', 'contact', 'address'):
|
||
# We attach these to the last author. If any of them precedes
|
||
# the first author, put them in a separate "author" group
|
||
# (in lack of better semantics).
|
||
if name == 'author' or not self.author_stack:
|
||
self.author_stack.append([])
|
||
if name == 'address': # newlines are meaningful
|
||
self.insert_newline = True
|
||
text = self.encode(node.astext())
|
||
self.insert_newline = False
|
||
else:
|
||
text = self.attval(node.astext())
|
||
self.author_stack[-1].append(text)
|
||
raise nodes.SkipNode
|
||
elif name == 'date':
|
||
self.date.append(self.attval(node.astext()))
|
||
raise nodes.SkipNode
|
||
self.out.append('\\textbf{%s}: &\n\t' % self.language_label(name))
|
||
if name == 'address':
|
||
self.insert_newline = True
|
||
self.out.append('{\\raggedright\n')
|
||
self.context.append(' } \\\\\n')
|
||
else:
|
||
self.context.append(' \\\\\n')
|
||
|
||
def depart_docinfo_item(self, node):
|
||
self.out.append(self.context.pop())
|
||
# for address we did set insert_newline
|
||
self.insert_newline = False
|
||
|
||
def visit_doctest_block(self, node):
|
||
self.visit_literal_block(node)
|
||
|
||
def depart_doctest_block(self, node):
|
||
self.depart_literal_block(node)
|
||
|
||
def visit_document(self, node):
|
||
# titled document?
|
||
if (self.use_latex_docinfo or len(node) and
|
||
isinstance(node[0], nodes.title)):
|
||
self.title_labels += self.ids_to_labels(node, set_anchor=False)
|
||
|
||
def depart_document(self, node):
|
||
# Complete header with information gained from walkabout
|
||
# * language setup
|
||
if (self.babel.otherlanguages or
|
||
self.babel.language not in ('', 'english')):
|
||
self.requirements['babel'] = self.babel()
|
||
# * conditional requirements (before style sheet)
|
||
self.requirements = self.requirements.sortedvalues()
|
||
# * coditional fallback definitions (after style sheet)
|
||
self.fallbacks = self.fallbacks.sortedvalues()
|
||
# * PDF properties
|
||
self.pdfsetup.append(PreambleCmds.linking % self.hyperref_options)
|
||
if self.pdfauthor:
|
||
authors = self.author_separator.join(self.pdfauthor)
|
||
self.pdfinfo.append(' pdfauthor={%s}' % authors)
|
||
if self.pdfinfo:
|
||
self.pdfsetup += [r'\hypersetup{'] + self.pdfinfo + ['}']
|
||
# Complete body
|
||
# * document title (with "use_latex_docinfo" also
|
||
# 'author', 'organization', 'contact', 'address' and 'date')
|
||
if self.title or (
|
||
self.use_latex_docinfo and (self.author_stack or self.date)):
|
||
# with the default template, titledata is written to the preamble
|
||
self.titledata.append('%%% Title Data')
|
||
# \title (empty \title prevents error with \maketitle)
|
||
if self.title:
|
||
self.title.insert(0, '\\phantomsection%\n ')
|
||
title = [''.join(self.title)] + self.title_labels
|
||
if self.subtitle:
|
||
title += [r'\\ % subtitle',
|
||
r'\DUdocumentsubtitle{%s}' % ''.join(self.subtitle)
|
||
] + self.subtitle_labels
|
||
self.titledata.append(r'\title{%s}' % '%\n '.join(title))
|
||
# \author (empty \author prevents warning with \maketitle)
|
||
authors = ['\\\\\n'.join(author_entry)
|
||
for author_entry in self.author_stack]
|
||
self.titledata.append(r'\author{%s}' %
|
||
' \\and\n'.join(authors))
|
||
# \date (empty \date prevents defaulting to \today)
|
||
self.titledata.append(r'\date{%s}' % ', '.join(self.date))
|
||
# \maketitle in the body formats title with LaTeX
|
||
self.body_pre_docinfo.append('\\maketitle\n')
|
||
|
||
# * bibliography
|
||
# TODO insertion point of bibliography should be configurable.
|
||
if self._use_latex_citations and len(self._bibitems)>0:
|
||
if not self.bibtex:
|
||
widest_label = ''
|
||
for bi in self._bibitems:
|
||
if len(widest_label)<len(bi[0]):
|
||
widest_label = bi[0]
|
||
self.out.append('\n\\begin{thebibliography}{%s}\n' %
|
||
widest_label)
|
||
for bi in self._bibitems:
|
||
# cite_key: underscores must not be escaped
|
||
cite_key = bi[0].replace(r'\_','_')
|
||
self.out.append('\\bibitem[%s]{%s}{%s}\n' %
|
||
(bi[0], cite_key, bi[1]))
|
||
self.out.append('\\end{thebibliography}\n')
|
||
else:
|
||
self.out.append('\n\\bibliographystyle{%s}\n' %
|
||
self.bibtex[0])
|
||
self.out.append('\\bibliography{%s}\n' % self.bibtex[1])
|
||
# * make sure to generate a toc file if needed for local contents:
|
||
if 'minitoc' in self.requirements and not self.has_latex_toc:
|
||
self.out.append('\n\\faketableofcontents % for local ToCs\n')
|
||
|
||
def visit_emphasis(self, node):
|
||
self.out.append('\\emph{')
|
||
if node['classes']:
|
||
self.visit_inline(node)
|
||
|
||
def depart_emphasis(self, node):
|
||
if node['classes']:
|
||
self.depart_inline(node)
|
||
self.out.append('}')
|
||
|
||
# Append column delimiters and advance column counter,
|
||
# if the current cell is a multi-row continuation."""
|
||
def insert_additional_table_colum_delimiters(self):
|
||
while self.active_table.get_rowspan(
|
||
self.active_table.get_entry_number()):
|
||
self.out.append(' & ')
|
||
self.active_table.visit_entry() # increment cell count
|
||
|
||
def visit_entry(self, node):
|
||
# cell separation
|
||
if self.active_table.get_entry_number() == 0:
|
||
self.insert_additional_table_colum_delimiters()
|
||
else:
|
||
self.out.append(' & ')
|
||
|
||
# multirow, multicolumn
|
||
if 'morerows' in node and 'morecols' in node:
|
||
raise NotImplementedError('Cells that '
|
||
'span multiple rows *and* columns currently not supported, sorry.')
|
||
# TODO: should be possible with LaTeX, see e.g.
|
||
# http://texblog.org/2012/12/21/multi-column-and-multi-row-cells-in-latex-tables/
|
||
# multirow in LaTeX simply will enlarge the cell over several rows
|
||
# (the following n if n is positive, the former if negative).
|
||
if 'morerows' in node:
|
||
self.requirements['multirow'] = r'\usepackage{multirow}'
|
||
mrows = node['morerows'] + 1
|
||
self.active_table.set_rowspan(
|
||
self.active_table.get_entry_number(), mrows)
|
||
self.out.append('\\multirow{%d}{%s}{' %
|
||
(mrows, self.active_table.get_column_width()))
|
||
self.context.append('}')
|
||
elif 'morecols' in node:
|
||
# the vertical bar before column is missing if it is the first
|
||
# column. the one after always.
|
||
if self.active_table.get_entry_number() == 0:
|
||
bar1 = self.active_table.get_vertical_bar()
|
||
else:
|
||
bar1 = ''
|
||
mcols = node['morecols'] + 1
|
||
self.out.append('\\multicolumn{%d}{%s%s%s}{' %
|
||
(mcols, bar1,
|
||
self.active_table.get_multicolumn_width(
|
||
self.active_table.get_entry_number(),
|
||
mcols),
|
||
self.active_table.get_vertical_bar()))
|
||
self.context.append('}')
|
||
else:
|
||
self.context.append('')
|
||
|
||
# bold header/stub-column
|
||
if len(node) and (isinstance(node.parent.parent, nodes.thead)
|
||
or self.active_table.is_stub_column()):
|
||
self.out.append('\\textbf{')
|
||
self.context.append('}')
|
||
else:
|
||
self.context.append('')
|
||
|
||
# if line ends with '{', mask line break to prevent spurious whitespace
|
||
if not self.active_table.colwidths_auto and self.out[-1].endswith("{"):
|
||
self.out.append("%")
|
||
|
||
self.active_table.visit_entry() # increment cell count
|
||
|
||
def depart_entry(self, node):
|
||
self.out.append(self.context.pop()) # header / not header
|
||
self.out.append(self.context.pop()) # multirow/column
|
||
# insert extra "&"s, if following rows are spanned from above:
|
||
self.insert_additional_table_colum_delimiters()
|
||
|
||
def visit_row(self, node):
|
||
self.active_table.visit_row()
|
||
|
||
def depart_row(self, node):
|
||
self.out.extend(self.active_table.depart_row())
|
||
|
||
def visit_enumerated_list(self, node):
|
||
# enumeration styles:
|
||
types = {'': '',
|
||
'arabic':'arabic',
|
||
'loweralpha':'alph',
|
||
'upperalpha':'Alph',
|
||
'lowerroman':'roman',
|
||
'upperroman':'Roman'}
|
||
# the 4 default LaTeX enumeration labels: präfix, enumtype, suffix,
|
||
labels = [('', 'arabic', '.'), # 1.
|
||
('(', 'alph', ')'), # (a)
|
||
('', 'roman', '.'), # i.
|
||
('', 'Alph', '.')] # A.
|
||
|
||
prefix = ''
|
||
if self.compound_enumerators:
|
||
if (self.section_prefix_for_enumerators and self.section_level
|
||
and not self._enumeration_counters):
|
||
prefix = '.'.join([str(n) for n in
|
||
self._section_number[:self.section_level]]
|
||
) + self.section_enumerator_separator
|
||
if self._enumeration_counters:
|
||
prefix += self._enumeration_counters[-1]
|
||
# TODO: use LaTeX default for unspecified label-type?
|
||
# (needs change of parser)
|
||
prefix += node.get('prefix', '')
|
||
enumtype = types[node.get('enumtype' '')]
|
||
suffix = node.get('suffix', '')
|
||
|
||
enumeration_level = len(self._enumeration_counters)+1
|
||
counter_name = 'enum' + roman.toRoman(enumeration_level).lower()
|
||
label = r'%s\%s{%s}%s' % (prefix, enumtype, counter_name, suffix)
|
||
self._enumeration_counters.append(label)
|
||
|
||
self.duclass_open(node)
|
||
if enumeration_level <= 4:
|
||
self.out.append('\\begin{enumerate}')
|
||
if (prefix, enumtype, suffix
|
||
) != labels[enumeration_level-1]:
|
||
self.out.append('\n\\renewcommand{\\label%s}{%s}' %
|
||
(counter_name, label))
|
||
else:
|
||
self.fallbacks[counter_name] = '\\newcounter{%s}' % counter_name
|
||
self.out.append('\\begin{list}')
|
||
self.out.append('{%s}' % label)
|
||
self.out.append('{\\usecounter{%s}}' % counter_name)
|
||
if 'start' in node:
|
||
self.out.append('\n\\setcounter{%s}{%d}' %
|
||
(counter_name,node['start']-1))
|
||
|
||
|
||
def depart_enumerated_list(self, node):
|
||
if len(self._enumeration_counters) <= 4:
|
||
self.out.append('\\end{enumerate}\n')
|
||
else:
|
||
self.out.append('\\end{list}\n')
|
||
self.duclass_close(node)
|
||
self._enumeration_counters.pop()
|
||
|
||
def visit_field(self, node):
|
||
# real output is done in siblings: _argument, _body, _name
|
||
pass
|
||
|
||
def depart_field(self, node):
|
||
pass
|
||
##self.out.append('%[depart_field]\n')
|
||
|
||
def visit_field_argument(self, node):
|
||
self.out.append('%[visit_field_argument]\n')
|
||
|
||
def depart_field_argument(self, node):
|
||
self.out.append('%[depart_field_argument]\n')
|
||
|
||
def visit_field_body(self, node):
|
||
pass
|
||
|
||
def depart_field_body(self, node):
|
||
if self.out is self.docinfo:
|
||
self.out.append(r'\\'+'\n')
|
||
|
||
def visit_field_list(self, node):
|
||
self.duclass_open(node)
|
||
if self.out is not self.docinfo:
|
||
self.fallbacks['fieldlist'] = PreambleCmds.fieldlist
|
||
self.out.append('\\begin{DUfieldlist}')
|
||
|
||
def depart_field_list(self, node):
|
||
if self.out is not self.docinfo:
|
||
self.out.append('\\end{DUfieldlist}\n')
|
||
self.duclass_close(node)
|
||
|
||
def visit_field_name(self, node):
|
||
if self.out is self.docinfo:
|
||
self.out.append('\\textbf{')
|
||
else:
|
||
# Commands with optional args inside an optional arg must be put
|
||
# in a group, e.g. ``\item[{\hyperref[label]{text}}]``.
|
||
self.out.append('\n\\item[{')
|
||
|
||
def depart_field_name(self, node):
|
||
if self.out is self.docinfo:
|
||
self.out.append('}: &')
|
||
else:
|
||
self.out.append(':}]')
|
||
|
||
def visit_figure(self, node):
|
||
self.requirements['float_settings'] = PreambleCmds.float_settings
|
||
self.duclass_open(node)
|
||
# The 'align' attribute sets the "outer alignment",
|
||
# for "inner alignment" use LaTeX default alignment (similar to HTML)
|
||
alignment = node.attributes.get('align', 'center')
|
||
if alignment != 'center':
|
||
# The LaTeX "figure" environment always uses the full linewidth,
|
||
# so "outer alignment" is ignored. Just write a comment.
|
||
# TODO: use the wrapfigure environment?
|
||
self.out.append('\\begin{figure} %% align = "%s"\n' % alignment)
|
||
else:
|
||
self.out.append('\\begin{figure}\n')
|
||
if node.get('ids'):
|
||
self.out += self.ids_to_labels(node) + ['\n']
|
||
|
||
def depart_figure(self, node):
|
||
self.out.append('\\end{figure}\n')
|
||
self.duclass_close(node)
|
||
|
||
def visit_footer(self, node):
|
||
self.push_output_collector([])
|
||
self.out.append(r'\newcommand{\DUfooter}{')
|
||
|
||
def depart_footer(self, node):
|
||
self.out.append('}')
|
||
self.requirements['~footer'] = ''.join(self.out)
|
||
self.pop_output_collector()
|
||
|
||
def visit_footnote(self, node):
|
||
try:
|
||
backref = node['backrefs'][0]
|
||
except IndexError:
|
||
backref = node['ids'][0] # no backref, use self-ref instead
|
||
if self.docutils_footnotes:
|
||
self.fallbacks['footnotes'] = PreambleCmds.footnotes
|
||
num = node[0].astext()
|
||
if self.settings.footnote_references == 'brackets':
|
||
num = '[%s]' % num
|
||
self.out.append('%%\n\\DUfootnotetext{%s}{%s}{%s}{' %
|
||
(node['ids'][0], backref, self.encode(num)))
|
||
if node['ids'] == node['names']:
|
||
self.out += self.ids_to_labels(node)
|
||
# mask newline to prevent spurious whitespace if paragraph follows:
|
||
if node[1:] and isinstance(node[1], nodes.paragraph):
|
||
self.out.append('%')
|
||
## else: # TODO: "real" LaTeX \footnote{}s
|
||
|
||
def depart_footnote(self, node):
|
||
self.out.append('}\n')
|
||
|
||
def visit_footnote_reference(self, node):
|
||
href = ''
|
||
if 'refid' in node:
|
||
href = node['refid']
|
||
elif 'refname' in node:
|
||
href = self.document.nameids[node['refname']]
|
||
# if not self.docutils_footnotes:
|
||
# TODO: insert footnote content at (or near) this place
|
||
# print "footnote-ref to", node['refid']
|
||
# footnotes = (self.document.footnotes +
|
||
# self.document.autofootnotes +
|
||
# self.document.symbol_footnotes)
|
||
# for footnote in footnotes:
|
||
# # print footnote['ids']
|
||
# if node.get('refid', '') in footnote['ids']:
|
||
# print 'matches', footnote['ids']
|
||
format = self.settings.footnote_references
|
||
if format == 'brackets':
|
||
self.append_hypertargets(node)
|
||
self.out.append('\\hyperlink{%s}{[' % href)
|
||
self.context.append(']}')
|
||
else:
|
||
self.fallbacks['footnotes'] = PreambleCmds.footnotes
|
||
self.out.append(r'\DUfootnotemark{%s}{%s}{' %
|
||
(node['ids'][0], href))
|
||
self.context.append('}')
|
||
|
||
def depart_footnote_reference(self, node):
|
||
self.out.append(self.context.pop())
|
||
|
||
# footnote/citation label
|
||
def label_delim(self, node, bracket, superscript):
|
||
if isinstance(node.parent, nodes.footnote):
|
||
raise nodes.SkipNode
|
||
else:
|
||
assert isinstance(node.parent, nodes.citation)
|
||
if not self._use_latex_citations:
|
||
self.out.append(bracket)
|
||
|
||
def visit_label(self, node):
|
||
"""footnote or citation label: in brackets or as superscript"""
|
||
self.label_delim(node, '[', '\\textsuperscript{')
|
||
|
||
def depart_label(self, node):
|
||
self.label_delim(node, ']', '}')
|
||
|
||
# elements generated by the framework e.g. section numbers.
|
||
def visit_generated(self, node):
|
||
pass
|
||
|
||
def depart_generated(self, node):
|
||
pass
|
||
|
||
def visit_header(self, node):
|
||
self.push_output_collector([])
|
||
self.out.append(r'\newcommand{\DUheader}{')
|
||
|
||
def depart_header(self, node):
|
||
self.out.append('}')
|
||
self.requirements['~header'] = ''.join(self.out)
|
||
self.pop_output_collector()
|
||
|
||
def to_latex_length(self, length_str, pxunit=None):
|
||
"""Convert `length_str` with rst lenght to LaTeX length
|
||
"""
|
||
if pxunit is not None:
|
||
sys.stderr.write('deprecation warning: LaTeXTranslator.to_latex_length()'
|
||
' option `pxunit` will be removed.')
|
||
match = re.match(r'(\d*\.?\d*)\s*(\S*)', length_str)
|
||
if not match:
|
||
return length_str
|
||
value, unit = match.groups()[:2]
|
||
# no unit or "DTP" points (called 'bp' in TeX):
|
||
if unit in ('', 'pt'):
|
||
length_str = '%sbp' % value
|
||
# percentage: relate to current line width
|
||
elif unit == '%':
|
||
length_str = '%.3f\\linewidth' % (float(value)/100.0)
|
||
elif self.is_xetex and unit == 'px':
|
||
# XeTeX does not know the length unit px.
|
||
# Use \pdfpxdimen, the macro to set the value of 1 px in pdftex.
|
||
# This way, configuring works the same for pdftex and xetex.
|
||
self.fallbacks['_providelength'] = PreambleCmds.providelength
|
||
self.fallbacks['px'] = '\n\\DUprovidelength{\\pdfpxdimen}{1bp}\n'
|
||
length_str = r'%s\pdfpxdimen' % value
|
||
return length_str
|
||
|
||
def visit_image(self, node):
|
||
self.requirements['graphicx'] = self.graphicx_package
|
||
attrs = node.attributes
|
||
# Convert image URI to a local file path
|
||
imagepath = urllib.request.url2pathname(attrs['uri']).replace('\\', '/')
|
||
# alignment defaults:
|
||
if not 'align' in attrs:
|
||
# Set default align of image in a figure to 'center'
|
||
if isinstance(node.parent, nodes.figure):
|
||
attrs['align'] = 'center'
|
||
self.set_align_from_classes(node)
|
||
# pre- and postfix (prefix inserted in reverse order)
|
||
pre = []
|
||
post = []
|
||
include_graphics_options = []
|
||
align_codes = {
|
||
# inline images: by default latex aligns the bottom.
|
||
'bottom': ('', ''),
|
||
'middle': (r'\raisebox{-0.5\height}{', '}'),
|
||
'top': (r'\raisebox{-\height}{', '}'),
|
||
# block level images:
|
||
'center': (r'\noindent\makebox[\linewidth][c]{', '}'),
|
||
'left': (r'\noindent{', r'\hfill}'),
|
||
'right': (r'\noindent{\hfill', '}'),}
|
||
if 'align' in attrs:
|
||
# TODO: warn or ignore non-applicable alignment settings?
|
||
try:
|
||
align_code = align_codes[attrs['align']]
|
||
pre.append(align_code[0])
|
||
post.append(align_code[1])
|
||
except KeyError:
|
||
pass # TODO: warn?
|
||
if 'height' in attrs:
|
||
include_graphics_options.append('height=%s' %
|
||
self.to_latex_length(attrs['height']))
|
||
if 'scale' in attrs:
|
||
include_graphics_options.append('scale=%f' %
|
||
(attrs['scale'] / 100.0))
|
||
if 'width' in attrs:
|
||
include_graphics_options.append('width=%s' %
|
||
self.to_latex_length(attrs['width']))
|
||
if not (self.is_inline(node) or
|
||
isinstance(node.parent, (nodes.figure, nodes.compound))):
|
||
pre.append('\n')
|
||
if not (self.is_inline(node) or
|
||
isinstance(node.parent, nodes.figure)):
|
||
post.append('\n')
|
||
pre.reverse()
|
||
self.out.extend(pre)
|
||
options = ''
|
||
if include_graphics_options:
|
||
options = '[%s]' % (','.join(include_graphics_options))
|
||
self.out.append('\\includegraphics%s{%s}' % (options, imagepath))
|
||
self.out.extend(post)
|
||
|
||
def depart_image(self, node):
|
||
if node.get('ids'):
|
||
self.out += self.ids_to_labels(node) + ['\n']
|
||
|
||
def visit_inline(self, node): # <span>, i.e. custom roles
|
||
for cls in node['classes']:
|
||
if cls.startswith('language-'):
|
||
language = self.babel.language_name(cls[9:])
|
||
if language:
|
||
self.babel.otherlanguages[language] = True
|
||
self.out.append(r'\foreignlanguage{%s}{' % language)
|
||
else:
|
||
self.fallbacks['inline'] = PreambleCmds.inline
|
||
self.out.append(r'\DUrole{%s}{' % cls)
|
||
|
||
def depart_inline(self, node):
|
||
self.out.append('}' * len(node['classes']))
|
||
|
||
def visit_interpreted(self, node):
|
||
# @@@ Incomplete, pending a proper implementation on the
|
||
# Parser/Reader end.
|
||
self.visit_literal(node)
|
||
|
||
def depart_interpreted(self, node):
|
||
self.depart_literal(node)
|
||
|
||
def visit_legend(self, node):
|
||
self.fallbacks['legend'] = PreambleCmds.legend
|
||
self.out.append('\\begin{DUlegend}')
|
||
|
||
def depart_legend(self, node):
|
||
self.out.append('\\end{DUlegend}\n')
|
||
|
||
def visit_line(self, node):
|
||
self.out.append(r'\item[] ')
|
||
|
||
def depart_line(self, node):
|
||
self.out.append('\n')
|
||
|
||
def visit_line_block(self, node):
|
||
self.fallbacks['_providelength'] = PreambleCmds.providelength
|
||
self.fallbacks['lineblock'] = PreambleCmds.lineblock
|
||
self.set_align_from_classes(node)
|
||
if isinstance(node.parent, nodes.line_block):
|
||
self.out.append('\\item[]\n'
|
||
'\\begin{DUlineblock}{\\DUlineblockindent}\n')
|
||
# nested line-blocks cannot be given class arguments
|
||
else:
|
||
self.duclass_open(node)
|
||
self.out.append('\\begin{DUlineblock}{0em}\n')
|
||
self.insert_align_declaration(node)
|
||
|
||
def depart_line_block(self, node):
|
||
self.out.append('\\end{DUlineblock}\n')
|
||
self.duclass_close(node)
|
||
|
||
def visit_list_item(self, node):
|
||
self.out.append('\n\\item ')
|
||
|
||
def depart_list_item(self, node):
|
||
pass
|
||
|
||
def visit_literal(self, node):
|
||
self.literal = True
|
||
if 'code' in node['classes'] and (
|
||
self.settings.syntax_highlight != 'none'):
|
||
self.requirements['color'] = PreambleCmds.color
|
||
self.fallbacks['code'] = PreambleCmds.highlight_rules
|
||
self.out.append('\\texttt{')
|
||
if node['classes']:
|
||
self.visit_inline(node)
|
||
|
||
def depart_literal(self, node):
|
||
self.literal = False
|
||
if node['classes']:
|
||
self.depart_inline(node)
|
||
self.out.append('}')
|
||
|
||
# Literal blocks are used for '::'-prefixed literal-indented
|
||
# blocks of text, where the inline markup is not recognized,
|
||
# but are also the product of the "parsed-literal" directive,
|
||
# where the markup is respected.
|
||
#
|
||
# In both cases, we want to use a typewriter/monospaced typeface.
|
||
# For "real" literal-blocks, we can use \verbatim, while for all
|
||
# the others we must use \mbox or \alltt.
|
||
#
|
||
# We can distinguish between the two kinds by the number of
|
||
# siblings that compose this node: if it is composed by a
|
||
# single element, it's either
|
||
# * a real one,
|
||
# * a parsed-literal that does not contain any markup, or
|
||
# * a parsed-literal containing just one markup construct.
|
||
def is_plaintext(self, node):
|
||
"""Check whether a node can be typeset verbatim"""
|
||
return (len(node) == 1) and isinstance(node[0], nodes.Text)
|
||
|
||
def visit_literal_block(self, node):
|
||
"""Render a literal block."""
|
||
# environments and packages to typeset literal blocks
|
||
packages = {'alltt': r'\usepackage{alltt}',
|
||
'listing': r'\usepackage{moreverb}',
|
||
'lstlisting': r'\usepackage{listings}',
|
||
'Verbatim': r'\usepackage{fancyvrb}',
|
||
# 'verbatim': '',
|
||
'verbatimtab': r'\usepackage{moreverb}'}
|
||
|
||
if node.get('ids'):
|
||
self.out += ['\n'] + self.ids_to_labels(node)
|
||
|
||
self.duclass_open(node)
|
||
if not self.active_table.is_open():
|
||
# no quote inside tables, to avoid vertical space between
|
||
# table border and literal block.
|
||
# TODO: fails if normal text precedes the literal block.
|
||
# check parent node instead?
|
||
self.out.append('\\begin{quote}\n')
|
||
self.context.append('\n\\end{quote}\n')
|
||
else:
|
||
self.context.append('\n')
|
||
|
||
if self.is_plaintext(node):
|
||
environment = self.literal_block_env
|
||
self.requirements['literal_block'] = packages.get(environment, '')
|
||
if environment == 'alltt':
|
||
self.alltt = True
|
||
else:
|
||
self.verbatim = True
|
||
self.out.append('\\begin{%s}%s\n' %
|
||
(environment, self.literal_block_options))
|
||
self.context.append('\n\\end{%s}' % environment)
|
||
else:
|
||
self.literal = True
|
||
self.insert_newline = True
|
||
self.insert_non_breaking_blanks = True
|
||
if 'code' in node['classes'] and (
|
||
self.settings.syntax_highlight != 'none'):
|
||
self.requirements['color'] = PreambleCmds.color
|
||
self.fallbacks['code'] = PreambleCmds.highlight_rules
|
||
self.out.append('{\\ttfamily \\raggedright \\noindent\n')
|
||
self.context.append('\n}')
|
||
|
||
def depart_literal_block(self, node):
|
||
self.insert_non_breaking_blanks = False
|
||
self.insert_newline = False
|
||
self.literal = False
|
||
self.verbatim = False
|
||
self.alltt = False
|
||
self.out.append(self.context.pop())
|
||
self.out.append(self.context.pop())
|
||
self.duclass_close(node)
|
||
|
||
## def visit_meta(self, node):
|
||
## self.out.append('[visit_meta]\n')
|
||
# TODO: set keywords for pdf?
|
||
# But:
|
||
# The reStructuredText "meta" directive creates a "pending" node,
|
||
# which contains knowledge that the embedded "meta" node can only
|
||
# be handled by HTML-compatible writers. The "pending" node is
|
||
# resolved by the docutils.transforms.components.Filter transform,
|
||
# which checks that the calling writer supports HTML; if it doesn't,
|
||
# the "pending" node (and enclosed "meta" node) is removed from the
|
||
# document.
|
||
# --- docutils/docs/peps/pep-0258.html#transformer
|
||
|
||
## def depart_meta(self, node):
|
||
## self.out.append('[depart_meta]\n')
|
||
|
||
def visit_math(self, node, math_env='$'):
|
||
"""math role"""
|
||
if node['classes']:
|
||
self.visit_inline(node)
|
||
self.requirements['amsmath'] = r'\usepackage{amsmath}'
|
||
math_code = node.astext().translate(unichar2tex.uni2tex_table)
|
||
if node.get('ids'):
|
||
math_code = '\n'.join([math_code] + self.ids_to_labels(node))
|
||
if math_env == '$':
|
||
if self.alltt:
|
||
wrapper = r'\(%s\)'
|
||
else:
|
||
wrapper = '$%s$'
|
||
else:
|
||
wrapper = '\n'.join(['%%',
|
||
r'\begin{%s}' % math_env,
|
||
'%s',
|
||
r'\end{%s}' % math_env])
|
||
# print repr(wrapper), repr(math_code)
|
||
self.out.append(wrapper % math_code)
|
||
if node['classes']:
|
||
self.depart_inline(node)
|
||
# Content already processed:
|
||
raise nodes.SkipNode
|
||
|
||
def depart_math(self, node):
|
||
pass # never reached
|
||
|
||
def visit_math_block(self, node):
|
||
math_env = pick_math_environment(node.astext())
|
||
self.visit_math(node, math_env=math_env)
|
||
|
||
def depart_math_block(self, node):
|
||
pass # never reached
|
||
|
||
def visit_option(self, node):
|
||
if self.context[-1]:
|
||
# this is not the first option
|
||
self.out.append(', ')
|
||
|
||
def depart_option(self, node):
|
||
# flag that the first option is done.
|
||
self.context[-1] += 1
|
||
|
||
def visit_option_argument(self, node):
|
||
"""Append the delimiter betweeen an option and its argument to body."""
|
||
self.out.append(node.get('delimiter', ' '))
|
||
|
||
def depart_option_argument(self, node):
|
||
pass
|
||
|
||
def visit_option_group(self, node):
|
||
self.out.append('\n\\item[')
|
||
# flag for first option
|
||
self.context.append(0)
|
||
|
||
def depart_option_group(self, node):
|
||
self.context.pop() # the flag
|
||
self.out.append('] ')
|
||
|
||
def visit_option_list(self, node):
|
||
self.fallbacks['_providelength'] = PreambleCmds.providelength
|
||
self.fallbacks['optionlist'] = PreambleCmds.optionlist
|
||
self.duclass_open(node)
|
||
self.out.append('\\begin{DUoptionlist}')
|
||
|
||
def depart_option_list(self, node):
|
||
self.out.append('\\end{DUoptionlist}\n')
|
||
self.duclass_close(node)
|
||
|
||
def visit_option_list_item(self, node):
|
||
pass
|
||
|
||
def depart_option_list_item(self, node):
|
||
pass
|
||
|
||
def visit_option_string(self, node):
|
||
##self.out.append(self.starttag(node, 'span', '', CLASS='option'))
|
||
pass
|
||
|
||
def depart_option_string(self, node):
|
||
##self.out.append('</span>')
|
||
pass
|
||
|
||
def visit_organization(self, node):
|
||
self.visit_docinfo_item(node, 'organization')
|
||
|
||
def depart_organization(self, node):
|
||
self.depart_docinfo_item(node)
|
||
|
||
def visit_paragraph(self, node):
|
||
# insert blank line, unless
|
||
# * the paragraph is first in a list item or compound,
|
||
# * follows a non-paragraph node in a compound,
|
||
# * is in a table with auto-width columns
|
||
index = node.parent.index(node)
|
||
if index == 0 and isinstance(node.parent,
|
||
(nodes.list_item, nodes.description, nodes.compound)):
|
||
pass
|
||
elif (index > 0 and isinstance(node.parent, nodes.compound) and
|
||
not isinstance(node.parent[index - 1], nodes.paragraph) and
|
||
not isinstance(node.parent[index - 1], nodes.compound)):
|
||
pass
|
||
elif self.active_table.colwidths_auto:
|
||
if index == 1: # second paragraph
|
||
self.warn('LaTeX merges paragraphs in tables '
|
||
'with auto-sized columns!', base_node=node)
|
||
if index > 0:
|
||
self.out.append('\n')
|
||
else:
|
||
self.out.append('\n')
|
||
if node.get('ids'):
|
||
self.out += self.ids_to_labels(node) + ['\n']
|
||
if node['classes']:
|
||
self.visit_inline(node)
|
||
|
||
def depart_paragraph(self, node):
|
||
if node['classes']:
|
||
self.depart_inline(node)
|
||
if not self.active_table.colwidths_auto:
|
||
self.out.append('\n')
|
||
|
||
def visit_problematic(self, node):
|
||
self.requirements['color'] = PreambleCmds.color
|
||
self.out.append('%\n')
|
||
self.append_hypertargets(node)
|
||
self.out.append(r'\hyperlink{%s}{\textbf{\color{red}' % node['refid'])
|
||
|
||
def depart_problematic(self, node):
|
||
self.out.append('}}')
|
||
|
||
def visit_raw(self, node):
|
||
if not 'latex' in node.get('format', '').split():
|
||
raise nodes.SkipNode
|
||
if not self.is_inline(node):
|
||
self.out.append('\n')
|
||
if node['classes']:
|
||
self.visit_inline(node)
|
||
# append "as-is" skipping any LaTeX-encoding
|
||
self.verbatim = True
|
||
|
||
def depart_raw(self, node):
|
||
self.verbatim = False
|
||
if node['classes']:
|
||
self.depart_inline(node)
|
||
if not self.is_inline(node):
|
||
self.out.append('\n')
|
||
|
||
def has_unbalanced_braces(self, string):
|
||
"""Test whether there are unmatched '{' or '}' characters."""
|
||
level = 0
|
||
for ch in string:
|
||
if ch == '{':
|
||
level += 1
|
||
if ch == '}':
|
||
level -= 1
|
||
if level < 0:
|
||
return True
|
||
return level != 0
|
||
|
||
def visit_reference(self, node):
|
||
# We need to escape #, \, and % if we use the URL in a command.
|
||
special_chars = {ord('#'): r'\#',
|
||
ord('%'): r'\%',
|
||
ord('\\'): r'\\',
|
||
}
|
||
# external reference (URL)
|
||
if 'refuri' in node:
|
||
href = str(node['refuri']).translate(special_chars)
|
||
# problematic chars double caret and unbalanced braces:
|
||
if href.find('^^') != -1 or self.has_unbalanced_braces(href):
|
||
self.error(
|
||
'External link "%s" not supported by LaTeX.\n'
|
||
' (Must not contain "^^" or unbalanced braces.)' % href)
|
||
if node['refuri'] == node.astext():
|
||
self.out.append(r'\url{%s}' % href)
|
||
raise nodes.SkipNode
|
||
self.out.append(r'\href{%s}{' % href)
|
||
return
|
||
# internal reference
|
||
if 'refid' in node:
|
||
href = node['refid']
|
||
elif 'refname' in node:
|
||
href = self.document.nameids[node['refname']]
|
||
else:
|
||
raise AssertionError('Unknown reference.')
|
||
if not self.is_inline(node):
|
||
self.out.append('\n')
|
||
self.out.append('\\hyperref[%s]{' % href)
|
||
if self._reference_label:
|
||
self.out.append('\\%s{%s}}' %
|
||
(self._reference_label, href.replace('#', '')))
|
||
raise nodes.SkipNode
|
||
|
||
def depart_reference(self, node):
|
||
self.out.append('}')
|
||
if not self.is_inline(node):
|
||
self.out.append('\n')
|
||
|
||
def visit_revision(self, node):
|
||
self.visit_docinfo_item(node, 'revision')
|
||
|
||
def depart_revision(self, node):
|
||
self.depart_docinfo_item(node)
|
||
|
||
def visit_rubric(self, node):
|
||
self.fallbacks['rubric'] = PreambleCmds.rubric
|
||
self.duclass_open(node)
|
||
self.out.append('\\DUrubric{')
|
||
|
||
def depart_rubric(self, node):
|
||
self.out.append('}\n')
|
||
self.duclass_close(node)
|
||
|
||
def visit_section(self, node):
|
||
self.section_level += 1
|
||
# Initialize counter for potential subsections:
|
||
self._section_number.append(0)
|
||
# Counter for this section's level (initialized by parent section):
|
||
self._section_number[self.section_level - 1] += 1
|
||
|
||
def depart_section(self, node):
|
||
# Remove counter for potential subsections:
|
||
self._section_number.pop()
|
||
self.section_level -= 1
|
||
|
||
def visit_sidebar(self, node):
|
||
self.duclass_open(node)
|
||
self.requirements['color'] = PreambleCmds.color
|
||
self.fallbacks['sidebar'] = PreambleCmds.sidebar
|
||
self.out.append('\\DUsidebar{')
|
||
|
||
def depart_sidebar(self, node):
|
||
self.out.append('}\n')
|
||
self.duclass_close(node)
|
||
|
||
attribution_formats = {'dash': ('—', ''), # EM DASH
|
||
'parentheses': ('(', ')'),
|
||
'parens': ('(', ')'),
|
||
'none': ('', '')}
|
||
|
||
def visit_attribution(self, node):
|
||
prefix, suffix = self.attribution_formats[self.settings.attribution]
|
||
self.out.append('\\nopagebreak\n\n\\raggedleft ')
|
||
self.out.append(prefix)
|
||
self.context.append(suffix)
|
||
|
||
def depart_attribution(self, node):
|
||
self.out.append(self.context.pop() + '\n')
|
||
|
||
def visit_status(self, node):
|
||
self.visit_docinfo_item(node, 'status')
|
||
|
||
def depart_status(self, node):
|
||
self.depart_docinfo_item(node)
|
||
|
||
def visit_strong(self, node):
|
||
self.out.append('\\textbf{')
|
||
if node['classes']:
|
||
self.visit_inline(node)
|
||
|
||
def depart_strong(self, node):
|
||
if node['classes']:
|
||
self.depart_inline(node)
|
||
self.out.append('}')
|
||
|
||
def visit_substitution_definition(self, node):
|
||
raise nodes.SkipNode
|
||
|
||
def visit_substitution_reference(self, node):
|
||
self.unimplemented_visit(node)
|
||
|
||
def visit_subtitle(self, node):
|
||
if isinstance(node.parent, nodes.document):
|
||
self.push_output_collector(self.subtitle)
|
||
self.fallbacks['documentsubtitle'] = PreambleCmds.documentsubtitle
|
||
self.subtitle_labels += self.ids_to_labels(node, set_anchor=False)
|
||
# section subtitle: "starred" (no number, not in ToC)
|
||
elif isinstance(node.parent, nodes.section):
|
||
self.out.append(r'\%s*{' %
|
||
self.d_class.section(self.section_level + 1))
|
||
else:
|
||
self.fallbacks['subtitle'] = PreambleCmds.subtitle
|
||
self.out.append('\n\\DUsubtitle[%s]{' % node.parent.tagname)
|
||
|
||
def depart_subtitle(self, node):
|
||
if isinstance(node.parent, nodes.document):
|
||
self.pop_output_collector()
|
||
else:
|
||
self.out.append('}\n')
|
||
|
||
def visit_system_message(self, node):
|
||
self.requirements['color'] = PreambleCmds.color
|
||
self.fallbacks['title'] = PreambleCmds.title
|
||
node['classes'] = ['system-message']
|
||
self.visit_admonition(node)
|
||
self.out.append('\n\\DUtitle[system-message]{system-message}\n')
|
||
self.append_hypertargets(node)
|
||
try:
|
||
line = ', line~%s' % node['line']
|
||
except KeyError:
|
||
line = ''
|
||
self.out.append('\n\n{\\color{red}%s/%s} in \\texttt{%s}%s\n' %
|
||
(node['type'], node['level'],
|
||
self.encode(node['source']), line))
|
||
if len(node['backrefs']) == 1:
|
||
self.out.append('\n\\hyperlink{%s}{' % node['backrefs'][0])
|
||
self.context.append('}')
|
||
else:
|
||
backrefs = ['\\hyperlink{%s}{%d}' % (href, i+1)
|
||
for (i, href) in enumerate(node['backrefs'])]
|
||
self.context.append('backrefs: ' + ' '.join(backrefs))
|
||
|
||
def depart_system_message(self, node):
|
||
self.out.append(self.context.pop())
|
||
self.depart_admonition()
|
||
|
||
def visit_table(self, node):
|
||
self.requirements['table'] = PreambleCmds.table
|
||
if self.active_table.is_open():
|
||
self.table_stack.append(self.active_table)
|
||
# nesting longtable does not work (e.g. 2007-04-18)
|
||
self.active_table = Table(self,'tabular')
|
||
# A longtable moves before \paragraph and \subparagraph
|
||
# section titles if it immediately follows them:
|
||
if (self.active_table._latex_type == 'longtable' and
|
||
isinstance(node.parent, nodes.section) and
|
||
node.parent.index(node) == 1 and
|
||
self.d_class.section(self.section_level).find('paragraph') != -1):
|
||
self.out.append('\\leavevmode')
|
||
self.active_table.open()
|
||
self.active_table.set_table_style(self.settings.table_style,
|
||
node['classes'])
|
||
if 'align' in node:
|
||
self.active_table.set('align', node['align'])
|
||
if self.active_table.borders == 'booktabs':
|
||
self.requirements['booktabs'] = r'\usepackage{booktabs}'
|
||
self.push_output_collector([])
|
||
|
||
def depart_table(self, node):
|
||
# wrap content in the right environment:
|
||
content = self.out
|
||
self.pop_output_collector()
|
||
self.out.append('\n' + self.active_table.get_opening())
|
||
self.out += content
|
||
self.out.append(self.active_table.get_closing() + '\n')
|
||
self.active_table.close()
|
||
if len(self.table_stack)>0:
|
||
self.active_table = self.table_stack.pop()
|
||
# Insert hyperlabel after (long)table, as
|
||
# other places (beginning, caption) result in LaTeX errors.
|
||
if node.get('ids'):
|
||
self.out += self.ids_to_labels(node, set_anchor=False) + ['\n']
|
||
|
||
def visit_target(self, node):
|
||
# Skip indirect targets:
|
||
if ('refuri' in node # external hyperlink
|
||
or 'refid' in node # resolved internal link
|
||
or 'refname' in node): # unresolved internal link
|
||
## self.out.append('%% %s\n' % node) # for debugging
|
||
return
|
||
self.out.append('%\n')
|
||
# do we need an anchor (\phantomsection)?
|
||
set_anchor = not(isinstance(node.parent, nodes.caption) or
|
||
isinstance(node.parent, nodes.title))
|
||
# TODO: where else can/must we omit the \phantomsection?
|
||
self.out += self.ids_to_labels(node, set_anchor)
|
||
|
||
def depart_target(self, node):
|
||
pass
|
||
|
||
def visit_tbody(self, node):
|
||
# BUG write preamble if not yet done (colspecs not [])
|
||
# for tables without heads.
|
||
if not self.active_table.get('preamble written'):
|
||
self.visit_thead(node)
|
||
self.depart_thead(None)
|
||
|
||
def depart_tbody(self, node):
|
||
pass
|
||
|
||
def visit_term(self, node):
|
||
"""definition list term"""
|
||
# Commands with optional args inside an optional arg must be put
|
||
# in a group, e.g. ``\item[{\hyperref[label]{text}}]``.
|
||
self.out.append('\\item[{')
|
||
|
||
def depart_term(self, node):
|
||
# \leavevmode results in a line break if the
|
||
# term is followed by an item list.
|
||
self.out.append('}] \leavevmode ')
|
||
|
||
def visit_tgroup(self, node):
|
||
#self.out.append(self.starttag(node, 'colgroup'))
|
||
#self.context.append('</colgroup>\n')
|
||
pass
|
||
|
||
def depart_tgroup(self, node):
|
||
pass
|
||
|
||
_thead_depth = 0
|
||
def thead_depth (self):
|
||
return self._thead_depth
|
||
|
||
def visit_thead(self, node):
|
||
self._thead_depth += 1
|
||
if 1 == self.thead_depth():
|
||
self.out.append('{%s}\n' % self.active_table.get_colspecs(node))
|
||
self.active_table.set('preamble written',1)
|
||
self.out.append(self.active_table.get_caption())
|
||
self.out.extend(self.active_table.visit_thead())
|
||
|
||
def depart_thead(self, node):
|
||
if node is not None:
|
||
self.out.extend(self.active_table.depart_thead())
|
||
if self.active_table.need_recurse():
|
||
node.walkabout(self)
|
||
self._thead_depth -= 1
|
||
|
||
def visit_title(self, node):
|
||
"""Append section and other titles."""
|
||
# Document title
|
||
if node.parent.tagname == 'document':
|
||
self.push_output_collector(self.title)
|
||
self.context.append('')
|
||
self.pdfinfo.append(' pdftitle={%s},' %
|
||
self.encode(node.astext()))
|
||
# Topic titles (topic, admonition, sidebar)
|
||
elif (isinstance(node.parent, nodes.topic) or
|
||
isinstance(node.parent, nodes.admonition) or
|
||
isinstance(node.parent, nodes.sidebar)):
|
||
self.fallbacks['title'] = PreambleCmds.title
|
||
classes = ','.join(node.parent['classes'])
|
||
if not classes:
|
||
classes = node.tagname
|
||
self.out.append('\n\\DUtitle[%s]{' % classes)
|
||
self.context.append('}\n')
|
||
# Table caption
|
||
elif isinstance(node.parent, nodes.table):
|
||
self.push_output_collector(self.active_table.caption)
|
||
self.context.append('')
|
||
# Section title
|
||
else:
|
||
if hasattr(PreambleCmds, 'secnumdepth'):
|
||
self.requirements['secnumdepth'] = PreambleCmds.secnumdepth
|
||
section_name = self.d_class.section(self.section_level)
|
||
self.out.append('\n\n')
|
||
# System messages heading in red:
|
||
if ('system-messages' in node.parent['classes']):
|
||
self.requirements['color'] = PreambleCmds.color
|
||
section_title = self.encode(node.astext())
|
||
self.out.append(r'\%s[%s]{\color{red}' % (
|
||
section_name,section_title))
|
||
else:
|
||
self.out.append(r'\%s{' % section_name)
|
||
if self.section_level > len(self.d_class.sections):
|
||
# section level not supported by LaTeX
|
||
self.fallbacks['title'] = PreambleCmds.title
|
||
# self.out.append('\\phantomsection%\n ')
|
||
# label and ToC entry:
|
||
bookmark = ['']
|
||
# add sections with unsupported level to toc and pdfbookmarks?
|
||
## if self.section_level > len(self.d_class.sections):
|
||
## section_title = self.encode(node.astext())
|
||
## bookmark.append(r'\addcontentsline{toc}{%s}{%s}' %
|
||
## (section_name, section_title))
|
||
bookmark += self.ids_to_labels(node.parent, set_anchor=False)
|
||
self.context.append('%\n '.join(bookmark) + '%\n}\n')
|
||
|
||
# MAYBE postfix paragraph and subparagraph with \leavemode to
|
||
# ensure floats stay in the section and text starts on a new line.
|
||
|
||
def depart_title(self, node):
|
||
self.out.append(self.context.pop())
|
||
if (isinstance(node.parent, nodes.table) or
|
||
node.parent.tagname == 'document'):
|
||
self.pop_output_collector()
|
||
|
||
def minitoc(self, node, title, depth):
|
||
"""Generate a local table of contents with LaTeX package minitoc"""
|
||
section_name = self.d_class.section(self.section_level)
|
||
# name-prefix for current section level
|
||
minitoc_names = {'part': 'part', 'chapter': 'mini'}
|
||
if 'chapter' not in self.d_class.sections:
|
||
minitoc_names['section'] = 'sect'
|
||
try:
|
||
minitoc_name = minitoc_names[section_name]
|
||
except KeyError: # minitoc only supports part- and toplevel
|
||
self.warn('Skipping local ToC at %s level.\n' % section_name +
|
||
' Feature not supported with option "use-latex-toc"',
|
||
base_node=node)
|
||
return
|
||
# Requirements/Setup
|
||
self.requirements['minitoc'] = PreambleCmds.minitoc
|
||
self.requirements['minitoc-'+minitoc_name] = (r'\do%stoc' %
|
||
minitoc_name)
|
||
# depth: (Docutils defaults to unlimited depth)
|
||
maxdepth = len(self.d_class.sections)
|
||
self.requirements['minitoc-%s-depth' % minitoc_name] = (
|
||
r'\mtcsetdepth{%stoc}{%d}' % (minitoc_name, maxdepth))
|
||
# Process 'depth' argument (!Docutils stores a relative depth while
|
||
# minitoc expects an absolute depth!):
|
||
offset = {'sect': 1, 'mini': 0, 'part': 0}
|
||
if 'chapter' in self.d_class.sections:
|
||
offset['part'] = -1
|
||
if depth:
|
||
self.out.append('\\setcounter{%stocdepth}{%d}' %
|
||
(minitoc_name, depth + offset[minitoc_name]))
|
||
# title:
|
||
self.out.append('\\mtcsettitle{%stoc}{%s}\n' % (minitoc_name, title))
|
||
# the toc-generating command:
|
||
self.out.append('\\%stoc\n' % minitoc_name)
|
||
|
||
def visit_topic(self, node):
|
||
# Topic nodes can be generic topic, abstract, dedication, or ToC.
|
||
# table of contents:
|
||
if 'contents' in node['classes']:
|
||
self.out.append('\n')
|
||
self.out += self.ids_to_labels(node)
|
||
# add contents to PDF bookmarks sidebar
|
||
if isinstance(node.next_node(), nodes.title):
|
||
self.out.append('\n\\pdfbookmark[%d]{%s}{%s}' %
|
||
(self.section_level+1,
|
||
node.next_node().astext(),
|
||
node.get('ids', ['contents'])[0]
|
||
))
|
||
if self.use_latex_toc:
|
||
title = ''
|
||
if isinstance(node.next_node(), nodes.title):
|
||
title = self.encode(node.pop(0).astext())
|
||
depth = node.get('depth', 0)
|
||
if 'local' in node['classes']:
|
||
self.minitoc(node, title, depth)
|
||
return
|
||
if depth:
|
||
self.out.append('\\setcounter{tocdepth}{%d}\n' % depth)
|
||
if title != 'Contents':
|
||
self.out.append('\n\\renewcommand{\\contentsname}{%s}' %
|
||
title)
|
||
self.out.append('\n\\tableofcontents\n')
|
||
self.has_latex_toc = True
|
||
else: # Docutils generated contents list
|
||
# set flag for visit_bullet_list() and visit_title()
|
||
self.is_toc_list = True
|
||
elif ('abstract' in node['classes'] and
|
||
self.settings.use_latex_abstract):
|
||
self.push_output_collector(self.abstract)
|
||
self.out.append('\\begin{abstract}')
|
||
if isinstance(node.next_node(), nodes.title):
|
||
node.pop(0) # LaTeX provides its own title
|
||
else:
|
||
# special topics:
|
||
if 'abstract' in node['classes']:
|
||
self.fallbacks['abstract'] = PreambleCmds.abstract
|
||
self.push_output_collector(self.abstract)
|
||
elif 'dedication' in node['classes']:
|
||
self.fallbacks['dedication'] = PreambleCmds.dedication
|
||
self.push_output_collector(self.dedication)
|
||
else:
|
||
node['classes'].insert(0, 'topic')
|
||
self.visit_block_quote(node)
|
||
|
||
def depart_topic(self, node):
|
||
self.is_toc_list = False
|
||
if ('abstract' in node['classes']
|
||
and self.settings.use_latex_abstract):
|
||
self.out.append('\\end{abstract}\n')
|
||
elif not 'contents' in node['classes']:
|
||
self.depart_block_quote(node)
|
||
if ('abstract' in node['classes'] or
|
||
'dedication' in node['classes']):
|
||
self.pop_output_collector()
|
||
|
||
def visit_transition(self, node):
|
||
self.fallbacks['transition'] = PreambleCmds.transition
|
||
self.out.append('\n%' + '_' * 75 + '\n')
|
||
self.out.append('\\DUtransition\n')
|
||
|
||
def depart_transition(self, node):
|
||
pass
|
||
|
||
def visit_version(self, node):
|
||
self.visit_docinfo_item(node, 'version')
|
||
|
||
def depart_version(self, node):
|
||
self.depart_docinfo_item(node)
|
||
|
||
def unimplemented_visit(self, node):
|
||
raise NotImplementedError('visiting unimplemented node type: %s' %
|
||
node.__class__.__name__)
|
||
|
||
# def unknown_visit(self, node):
|
||
# def default_visit(self, node):
|
||
|
||
# vim: set ts=4 et ai :
|