alpcentaur
/
wmdeit_kaform

/*! * Bootstrap Grunt task for parsing Less docstrings * http://getbootstrap.com
 * Copyright 2014-2015 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 */
'use strict';
var Markdown = require('markdown-it');
function markdown2html(markdownString) {  var md = new Markdown();
  // the slice removes the <p>...</p> wrapper output by Markdown processor
  return md.render(markdownString.trim()).slice(3, -5);}

/*Mini-language:  //== This is a normal heading, which starts a section. Sections group variables together.
  //## Optional description for the heading

  //=== This is a subheading.

  //** Optional description for the following variable. You **can** use Markdown in descriptions to discuss `<html>` stuff.
  @foo: #fff;
  //-- This is a heading for a section whose variables shouldn't be customizable

  All other lines are ignored completely.*/

var CUSTOMIZABLE_HEADING = /^[/]{2}={2}(.*)$/;var UNCUSTOMIZABLE_HEADING = /^[/]{2}-{2}(.*)$/;var SUBSECTION_HEADING = /^[/]{2}={3}(.*)$/;var SECTION_DOCSTRING = /^[/]{2}#{2}(.+)$/;var VAR_ASSIGNMENT = /^(@[a-zA-Z0-9_-]+):[ ]*([^ ;][^;]*);[ ]*$/;var VAR_DOCSTRING = /^[/]{2}[*]{2}(.+)$/;
function Section(heading, customizable) {  this.heading = heading.trim();  this.id = this.heading.replace(/\s+/g, '-').toLowerCase();  this.customizable = customizable;  this.docstring = null;  this.subsections = [];}
Section.prototype.addSubSection = function (subsection) {  this.subsections.push(subsection);};
function SubSection(heading) {  this.heading = heading.trim();  this.id = this.heading.replace(/\s+/g, '-').toLowerCase();  this.variables = [];}
SubSection.prototype.addVar = function (variable) {  this.variables.push(variable);};
function VarDocstring(markdownString) {  this.html = markdown2html(markdownString);}
function SectionDocstring(markdownString) {  this.html = markdown2html(markdownString);}
function Variable(name, defaultValue) {  this.name = name;  this.defaultValue = defaultValue;  this.docstring = null;}
function Tokenizer(fileContent) {  this._lines = fileContent.split('\n');  this._next = undefined;}
Tokenizer.prototype.unshift = function (token) {  if (this._next !== undefined) {    throw new Error('Attempted to unshift twice!');  }  this._next = token;};
Tokenizer.prototype._shift = function () {  // returning null signals EOF
  // returning undefined means the line was ignored
  if (this._next !== undefined) {    var result = this._next;    this._next = undefined;    return result;  }  if (this._lines.length <= 0) {    return null;  }  var line = this._lines.shift();  var match = null;  match = SUBSECTION_HEADING.exec(line);  if (match !== null) {    return new SubSection(match[1]);  }  match = CUSTOMIZABLE_HEADING.exec(line);  if (match !== null) {    return new Section(match[1], true);  }  match = UNCUSTOMIZABLE_HEADING.exec(line);  if (match !== null) {    return new Section(match[1], false);  }  match = SECTION_DOCSTRING.exec(line);  if (match !== null) {    return new SectionDocstring(match[1]);  }  match = VAR_DOCSTRING.exec(line);  if (match !== null) {    return new VarDocstring(match[1]);  }  var commentStart = line.lastIndexOf('//');  var varLine = commentStart === -1 ? line : line.slice(0, commentStart);  match = VAR_ASSIGNMENT.exec(varLine);  if (match !== null) {    return new Variable(match[1], match[2]);  }  return undefined;};
Tokenizer.prototype.shift = function () {  while (true) {    var result = this._shift();    if (result === undefined) {      continue;    }    return result;  }};
function Parser(fileContent) {  this._tokenizer = new Tokenizer(fileContent);}
Parser.prototype.parseFile = function () {  var sections = [];  while (true) {    var section = this.parseSection();    if (section === null) {      if (this._tokenizer.shift() !== null) {        throw new Error('Unexpected unparsed section of file remains!');      }      return sections;    }    sections.push(section);  }};
Parser.prototype.parseSection = function () {  var section = this._tokenizer.shift();  if (section === null) {    return null;  }  if (!(section instanceof Section)) {    throw new Error('Expected section heading; got: ' + JSON.stringify(section));  }  var docstring = this._tokenizer.shift();  if (docstring instanceof SectionDocstring) {    section.docstring = docstring;  } else {    this._tokenizer.unshift(docstring);  }  this.parseSubSections(section);
  return section;};
Parser.prototype.parseSubSections = function (section) {  while (true) {    var subsection = this.parseSubSection();    if (subsection === null) {      if (section.subsections.length === 0) {        // Presume an implicit initial subsection
        subsection = new SubSection('');        this.parseVars(subsection);      } else {        break;      }    }    section.addSubSection(subsection);  }
  if (section.subsections.length === 1 && !section.subsections[0].heading && section.subsections[0].variables.length === 0) {    // Ignore lone empty implicit subsection
    section.subsections = [];  }};
Parser.prototype.parseSubSection = function () {  var subsection = this._tokenizer.shift();  if (subsection instanceof SubSection) {    this.parseVars(subsection);    return subsection;  }  this._tokenizer.unshift(subsection);  return null;};
Parser.prototype.parseVars = function (subsection) {  while (true) {    var variable = this.parseVar();    if (variable === null) {      return;    }    subsection.addVar(variable);  }};
Parser.prototype.parseVar = function () {  var docstring = this._tokenizer.shift();  if (!(docstring instanceof VarDocstring)) {    this._tokenizer.unshift(docstring);    docstring = null;  }  var variable = this._tokenizer.shift();  if (variable instanceof Variable) {    variable.docstring = docstring;    return variable;  }  this._tokenizer.unshift(variable);  return null;};

module.exports = Parser;