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126 lines
3.0 KiB
126 lines
3.0 KiB
/*
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* Summary: Provide Canonical XML and Exclusive XML Canonicalization
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* Description: the c14n modules provides a
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*
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* "Canonical XML" implementation
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* http://www.w3.org/TR/xml-c14n
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*
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* and an
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*
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* "Exclusive XML Canonicalization" implementation
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* http://www.w3.org/TR/xml-exc-c14n
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* Copy: See Copyright for the status of this software.
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*
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* Author: Aleksey Sanin <aleksey@aleksey.com>
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*/
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#ifndef __XML_C14N_H__
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#define __XML_C14N_H__
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#ifdef LIBXML_C14N_ENABLED
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#ifdef LIBXML_OUTPUT_ENABLED
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#include <libxml/xmlversion.h>
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#include <libxml/tree.h>
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#include <libxml/xpath.h>
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/*
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* XML Canonicazation
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* http://www.w3.org/TR/xml-c14n
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*
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* Exclusive XML Canonicazation
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* http://www.w3.org/TR/xml-exc-c14n
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*
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* Canonical form of an XML document could be created if and only if
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* a) default attributes (if any) are added to all nodes
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* b) all character and parsed entity references are resolved
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* In order to achive this in libxml2 the document MUST be loaded with
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* following global setings:
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*
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* xmlLoadExtDtdDefaultValue = XML_DETECT_IDS | XML_COMPLETE_ATTRS;
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* xmlSubstituteEntitiesDefault(1);
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*
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* or corresponding parser context setting:
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* xmlParserCtxtPtr ctxt;
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*
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* ...
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* ctxt->loadsubset = XML_DETECT_IDS | XML_COMPLETE_ATTRS;
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* ctxt->replaceEntities = 1;
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* ...
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*/
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/*
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* xmlC14NMode:
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*
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* Predefined values for C14N modes
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*
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*/
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typedef enum {
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XML_C14N_1_0 = 0, /* Origianal C14N 1.0 spec */
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XML_C14N_EXCLUSIVE_1_0 = 1, /* Exclusive C14N 1.0 spec */
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XML_C14N_1_1 = 2 /* C14N 1.1 spec */
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} xmlC14NMode;
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XMLPUBFUN int XMLCALL
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xmlC14NDocSaveTo (xmlDocPtr doc,
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xmlNodeSetPtr nodes,
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int mode, /* a xmlC14NMode */
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xmlChar **inclusive_ns_prefixes,
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int with_comments,
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xmlOutputBufferPtr buf);
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XMLPUBFUN int XMLCALL
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xmlC14NDocDumpMemory (xmlDocPtr doc,
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xmlNodeSetPtr nodes,
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int mode, /* a xmlC14NMode */
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xmlChar **inclusive_ns_prefixes,
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int with_comments,
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xmlChar **doc_txt_ptr);
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XMLPUBFUN int XMLCALL
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xmlC14NDocSave (xmlDocPtr doc,
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xmlNodeSetPtr nodes,
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int mode, /* a xmlC14NMode */
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xmlChar **inclusive_ns_prefixes,
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int with_comments,
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const char* filename,
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int compression);
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/**
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* This is the core C14N function
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*/
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/**
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* xmlC14NIsVisibleCallback:
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* @user_data: user data
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* @node: the curent node
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* @parent: the parent node
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*
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* Signature for a C14N callback on visible nodes
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*
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* Returns 1 if the node should be included
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*/
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typedef int (*xmlC14NIsVisibleCallback) (void* user_data,
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xmlNodePtr node,
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xmlNodePtr parent);
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XMLPUBFUN int XMLCALL
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xmlC14NExecute (xmlDocPtr doc,
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xmlC14NIsVisibleCallback is_visible_callback,
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void* user_data,
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int mode, /* a xmlC14NMode */
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xmlChar **inclusive_ns_prefixes,
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int with_comments,
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xmlOutputBufferPtr buf);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* LIBXML_OUTPUT_ENABLED */
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#endif /* LIBXML_C14N_ENABLED */
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#endif /* __XML_C14N_H__ */
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