kc3-lang/libxml2/include/libxml/pattern.h

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• Hash : e1560990
  Author :
  Date : 2023-12-10T15:30:47
  

  pattern: Report malloc failures
  
  Fix places where malloc failures aren't reported.
  
  Introduce a new API function xmlPatternCompileSafe that returns a
  separate error code if a memory allocation fails.
  

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• include/libxml/pattern.h

• /*
   * Summary: pattern expression handling
   * Description: allows to compile and test pattern expressions for nodes
   *              either in a tree or based on a parser state.
   *
   * Copy: See Copyright for the status of this software.
   *
   * Author: Daniel Veillard
   */
  
  #ifndef __XML_PATTERN_H__
  #define __XML_PATTERN_H__
  
  #include <libxml/xmlversion.h>
  #include <libxml/tree.h>
  #include <libxml/dict.h>
  
  #ifdef LIBXML_PATTERN_ENABLED
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /**
   * xmlPattern:
   *
   * A compiled (XPath based) pattern to select nodes
   */
  typedef struct _xmlPattern xmlPattern;
  typedef xmlPattern *xmlPatternPtr;
  
  /**
   * xmlPatternFlags:
   *
   * This is the set of options affecting the behaviour of pattern
   * matching with this module
   *
   */
  typedef enum {
      XML_PATTERN_DEFAULT		= 0,	/* simple pattern match */
      XML_PATTERN_XPATH		= 1<<0,	/* standard XPath pattern */
      XML_PATTERN_XSSEL		= 1<<1,	/* XPath subset for schema selector */
      XML_PATTERN_XSFIELD		= 1<<2	/* XPath subset for schema field */
  } xmlPatternFlags;
  
  XMLPUBFUN void
  			xmlFreePattern		(xmlPatternPtr comp);
  
  XMLPUBFUN void
  			xmlFreePatternList	(xmlPatternPtr comp);
  
  XMLPUBFUN xmlPatternPtr
  			xmlPatterncompile	(const xmlChar *pattern,
  						 xmlDict *dict,
  						 int flags,
  						 const xmlChar **namespaces);
  XMLPUBFUN int
  			xmlPatternCompileSafe	(const xmlChar *pattern,
  						 xmlDict *dict,
  						 int flags,
  						 const xmlChar **namespaces,
  						 xmlPatternPtr *patternOut);
  XMLPUBFUN int
  			xmlPatternMatch		(xmlPatternPtr comp,
  						 xmlNodePtr node);
  
  /* streaming interfaces */
  typedef struct _xmlStreamCtxt xmlStreamCtxt;
  typedef xmlStreamCtxt *xmlStreamCtxtPtr;
  
  XMLPUBFUN int
  			xmlPatternStreamable	(xmlPatternPtr comp);
  XMLPUBFUN int
  			xmlPatternMaxDepth	(xmlPatternPtr comp);
  XMLPUBFUN int
  			xmlPatternMinDepth	(xmlPatternPtr comp);
  XMLPUBFUN int
  			xmlPatternFromRoot	(xmlPatternPtr comp);
  XMLPUBFUN xmlStreamCtxtPtr
  			xmlPatternGetStreamCtxt	(xmlPatternPtr comp);
  XMLPUBFUN void
  			xmlFreeStreamCtxt	(xmlStreamCtxtPtr stream);
  XMLPUBFUN int
  			xmlStreamPushNode	(xmlStreamCtxtPtr stream,
  						 const xmlChar *name,
  						 const xmlChar *ns,
  						 int nodeType);
  XMLPUBFUN int
  			xmlStreamPush		(xmlStreamCtxtPtr stream,
  						 const xmlChar *name,
  						 const xmlChar *ns);
  XMLPUBFUN int
  			xmlStreamPushAttr	(xmlStreamCtxtPtr stream,
  						 const xmlChar *name,
  						 const xmlChar *ns);
  XMLPUBFUN int
  			xmlStreamPop		(xmlStreamCtxtPtr stream);
  XMLPUBFUN int
  			xmlStreamWantsAnyNode	(xmlStreamCtxtPtr stream);
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* LIBXML_PATTERN_ENABLED */
  
  #endif /* __XML_PATTERN_H__ */
  

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