| 1 | /*
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| 2 | * Summary: pattern expression handling
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| 3 | * Description: allows to compile and test pattern expressions for nodes
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| 4 | * either in a tree or based on a parser state.
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| 5 | *
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| 6 | * Copy: See Copyright for the status of this software.
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| 7 | *
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| 8 | * Author: Daniel Veillard
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| 9 | */
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| 10 |
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| 11 | #ifndef __XML_PATTERN_H__
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| 12 | #define __XML_PATTERN_H__
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| 13 |
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| 14 | #include <libxml/xmlversion.h>
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| 15 | #include <libxml/tree.h>
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| 16 | #include <libxml/dict.h>
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| 17 |
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| 18 | #ifdef LIBXML_PATTERN_ENABLED
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| 19 |
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| 20 | #ifdef __cplusplus
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| 21 | extern "C" {
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| 22 | #endif
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| 23 |
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| 24 | /**
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| 25 | * xmlPattern:
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| 26 | *
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| 27 | * A compiled (XPath based) pattern to select nodes
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| 28 | */
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| 29 | typedef struct _xmlPattern xmlPattern;
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| 30 | typedef xmlPattern *xmlPatternPtr;
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| 31 |
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| 32 | /**
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| 33 | * xmlPatternFlags:
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| 34 | *
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| 35 | * This is the set of options affecting the behaviour of pattern
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| 36 | * matching with this module
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| 37 | *
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| 38 | */
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| 39 | typedef enum {
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| 40 | XML_PATTERN_DEFAULT = 0, /* simple pattern match */
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| 41 | XML_PATTERN_XPATH = 1<<0, /* standard XPath pattern */
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| 42 | XML_PATTERN_XSSEL = 1<<1, /* XPath subset for schema selector */
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| 43 | XML_PATTERN_XSFIELD = 1<<2 /* XPath subset for schema field */
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| 44 | } xmlPatternFlags;
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| 45 |
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| 46 | XMLPUBFUN void XMLCALL
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| 47 | xmlFreePattern (xmlPatternPtr comp);
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| 48 |
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| 49 | XMLPUBFUN void XMLCALL
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| 50 | xmlFreePatternList (xmlPatternPtr comp);
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| 51 |
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| 52 | XMLPUBFUN xmlPatternPtr XMLCALL
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| 53 | xmlPatterncompile (const xmlChar *pattern,
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| 54 | xmlDict *dict,
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| 55 | int flags,
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| 56 | const xmlChar **namespaces);
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| 57 | XMLPUBFUN int XMLCALL
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| 58 | xmlPatternMatch (xmlPatternPtr comp,
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| 59 | xmlNodePtr node);
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| 60 |
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| 61 | /* streaming interfaces */
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| 62 | typedef struct _xmlStreamCtxt xmlStreamCtxt;
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| 63 | typedef xmlStreamCtxt *xmlStreamCtxtPtr;
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| 64 |
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| 65 | XMLPUBFUN int XMLCALL
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| 66 | xmlPatternStreamable (xmlPatternPtr comp);
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| 67 | XMLPUBFUN int XMLCALL
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| 68 | xmlPatternMaxDepth (xmlPatternPtr comp);
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| 69 | XMLPUBFUN int XMLCALL
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| 70 | xmlPatternMinDepth (xmlPatternPtr comp);
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| 71 | XMLPUBFUN int XMLCALL
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| 72 | xmlPatternFromRoot (xmlPatternPtr comp);
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| 73 | XMLPUBFUN xmlStreamCtxtPtr XMLCALL
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| 74 | xmlPatternGetStreamCtxt (xmlPatternPtr comp);
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| 75 | XMLPUBFUN void XMLCALL
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| 76 | xmlFreeStreamCtxt (xmlStreamCtxtPtr stream);
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| 77 | XMLPUBFUN int XMLCALL
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| 78 | xmlStreamPushNode (xmlStreamCtxtPtr stream,
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| 79 | const xmlChar *name,
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| 80 | const xmlChar *ns,
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| 81 | int nodeType);
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| 82 | XMLPUBFUN int XMLCALL
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| 83 | xmlStreamPush (xmlStreamCtxtPtr stream,
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| 84 | const xmlChar *name,
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| 85 | const xmlChar *ns);
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| 86 | XMLPUBFUN int XMLCALL
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| 87 | xmlStreamPushAttr (xmlStreamCtxtPtr stream,
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| 88 | const xmlChar *name,
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| 89 | const xmlChar *ns);
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| 90 | XMLPUBFUN int XMLCALL
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| 91 | xmlStreamPop (xmlStreamCtxtPtr stream);
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| 92 | XMLPUBFUN int XMLCALL
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| 93 | xmlStreamWantsAnyNode (xmlStreamCtxtPtr stream);
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| 94 | #ifdef __cplusplus
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| 95 | }
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| 96 | #endif
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| 97 |
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| 98 | #endif /* LIBXML_PATTERN_ENABLED */
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| 99 |
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| 100 | #endif /* __XML_PATTERN_H__ */
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