http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/libxml2/libxml/HTMLparser.h

/* * Summary: interface for an HTML 4.0 non-verifying parser * Description: this module implements an HTML 4.0 non-verifying parser * with API compatible with the XML parser ones. It should * be able to parse "real world" HTML, even if severely * broken from a specification point of view. * * Copy: See Copyright for the status of this software. * * Author: Daniel Veillard */ #ifndef __HTML_PARSER_H__ #define __HTML_PARSER_H__ #include <libxml/xmlversion.h> #include <libxml/parser.h> #ifdef LIBXML_HTML_ENABLED #ifdef __cplusplus extern "C" { #endif /* * Most of the back-end structures from XML and HTML are shared. */ typedef xmlParserCtxt htmlParserCtxt; typedef xmlParserCtxtPtr htmlParserCtxtPtr; typedef xmlParserNodeInfo htmlParserNodeInfo; typedef xmlSAXHandler htmlSAXHandler; typedef xmlSAXHandlerPtr htmlSAXHandlerPtr; typedef xmlParserInput htmlParserInput; typedef xmlParserInputPtr htmlParserInputPtr; typedef xmlDocPtr htmlDocPtr; typedef xmlNodePtr htmlNodePtr; /* * Internal description of an HTML element, representing HTML 4.01 * and XHTML 1.0 (which share the same structure). */ typedef struct _htmlElemDesc htmlElemDesc; typedef htmlElemDesc *htmlElemDescPtr; struct _htmlElemDesc { const char *name; /* The tag name */ char startTag; /* Whether the start tag can be implied */ char endTag; /* Whether the end tag can be implied */ char saveEndTag; /* Whether the end tag should be saved */ char empty; /* Is this an empty element ? */ char depr; /* Is this a deprecated element ? */ char dtd; /* 1: only in Loose DTD, 2: only Frameset one */ char isinline; /* is this a block 0 or inline 1 element */ const char *desc; /* the description */ /* NRK Jan.2003 * New fields encapsulating HTML structure * * Bugs: * This is a very limited representation. It fails to tell us when * an element *requires* subelements (we only have whether they're * allowed or not), and it doesn't tell us where CDATA and PCDATA * are allowed. Some element relationships are not fully represented: * these are flagged with the word MODIFIER */ const char** subelts; /* allowed sub-elements of this element */ const char* defaultsubelt; /* subelement for suggested auto-repair if necessary or NULL */ const char** attrs_opt; /* Optional Attributes */ const char** attrs_depr; /* Additional deprecated attributes */ const char** attrs_req; /* Required attributes */ }; /* * Internal description of an HTML entity. */ typedef struct _htmlEntityDesc htmlEntityDesc; typedef htmlEntityDesc *htmlEntityDescPtr; struct _htmlEntityDesc { unsigned int value; /* the UNICODE value for the character */ const char *name; /* The entity name */ const char *desc; /* the description */ }; /* * There is only few public functions. */ XMLPUBFUN const htmlElemDesc * XMLCALL htmlTagLookup (const xmlChar *tag); XMLPUBFUN const htmlEntityDesc * XMLCALL htmlEntityLookup(const xmlChar *name); XMLPUBFUN const htmlEntityDesc * XMLCALL htmlEntityValueLookup(unsigned int value); XMLPUBFUN int XMLCALL htmlIsAutoClosed(htmlDocPtr doc, htmlNodePtr elem); XMLPUBFUN int XMLCALL htmlAutoCloseTag(htmlDocPtr doc, const xmlChar *name, htmlNodePtr elem); XMLPUBFUN const htmlEntityDesc * XMLCALL htmlParseEntityRef(htmlParserCtxtPtr ctxt, const xmlChar **str); XMLPUBFUN int XMLCALL htmlParseCharRef(htmlParserCtxtPtr ctxt); XMLPUBFUN void XMLCALL htmlParseElement(htmlParserCtxtPtr ctxt); XMLPUBFUN htmlParserCtxtPtr XMLCALL htmlCreateMemoryParserCtxt(const char *buffer, int size); XMLPUBFUN int XMLCALL htmlParseDocument(htmlParserCtxtPtr ctxt); XMLPUBFUN htmlDocPtr XMLCALL htmlSAXParseDoc (xmlChar *cur, const char *encoding, htmlSAXHandlerPtr sax, void *userData); XMLPUBFUN htmlDocPtr XMLCALL htmlParseDoc (xmlChar *cur, const char *encoding); XMLPUBFUN htmlDocPtr XMLCALL htmlSAXParseFile(const char *filename, const char *encoding, htmlSAXHandlerPtr sax, void *userData); XMLPUBFUN htmlDocPtr XMLCALL htmlParseFile (const char *filename, const char *encoding); XMLPUBFUN int XMLCALL UTF8ToHtml (unsigned char *out, int *outlen, const unsigned char *in, int *inlen); XMLPUBFUN int XMLCALL htmlEncodeEntities(unsigned char *out, int *outlen, const unsigned char *in, int *inlen, int quoteChar); XMLPUBFUN int XMLCALL htmlIsScriptAttribute(const xmlChar *name); XMLPUBFUN int XMLCALL htmlHandleOmittedElem(int val); #ifdef LIBXML_PUSH_ENABLED /** * Interfaces for the Push mode. */ XMLPUBFUN htmlParserCtxtPtr XMLCALL htmlCreatePushParserCtxt(htmlSAXHandlerPtr sax, void *user_data, const char *chunk, int size, const char *filename, xmlCharEncoding enc); XMLPUBFUN int XMLCALL htmlParseChunk (htmlParserCtxtPtr ctxt, const char *chunk, int size, int terminate); #endif /* LIBXML_PUSH_ENABLED */ XMLPUBFUN void XMLCALL htmlFreeParserCtxt (htmlParserCtxtPtr ctxt); /* * New set of simpler/more flexible APIs */ /** * xmlParserOption: * * This is the set of XML parser options that can be passed down * to the xmlReadDoc() and similar calls. */ typedef enum { HTML_PARSE_RECOVER = 1<<0, /* Relaxed parsing */ HTML_PARSE_NOERROR = 1<<5, /* suppress error reports */ HTML_PARSE_NOWARNING= 1<<6, /* suppress warning reports */ HTML_PARSE_PEDANTIC = 1<<7, /* pedantic error reporting */ HTML_PARSE_NOBLANKS = 1<<8, /* remove blank nodes */ HTML_PARSE_NONET = 1<<11,/* Forbid network access */ HTML_PARSE_COMPACT = 1<<16 /* compact small text nodes */ } htmlParserOption; XMLPUBFUN void XMLCALL htmlCtxtReset (htmlParserCtxtPtr ctxt); XMLPUBFUN int XMLCALL htmlCtxtUseOptions (htmlParserCtxtPtr ctxt, int options); XMLPUBFUN htmlDocPtr XMLCALL htmlReadDoc (const xmlChar *cur, const char *URL, const char *encoding, int options); XMLPUBFUN htmlDocPtr XMLCALL htmlReadFile (const char *URL, const char *encoding, int options); XMLPUBFUN htmlDocPtr XMLCALL htmlReadMemory (const char *buffer, int size, const char *URL, const char *encoding, int options); XMLPUBFUN htmlDocPtr XMLCALL htmlReadFd (int fd, const char *URL, const char *encoding, int options); XMLPUBFUN htmlDocPtr XMLCALL htmlReadIO (xmlInputReadCallback ioread, xmlInputCloseCallback ioclose, void *ioctx, const char *URL, const char *encoding, int options); XMLPUBFUN htmlDocPtr XMLCALL htmlCtxtReadDoc (xmlParserCtxtPtr ctxt, const xmlChar *cur, const char *URL, const char *encoding, int options); XMLPUBFUN htmlDocPtr XMLCALL htmlCtxtReadFile (xmlParserCtxtPtr ctxt, const char *filename, const char *encoding, int options); XMLPUBFUN htmlDocPtr XMLCALL htmlCtxtReadMemory (xmlParserCtxtPtr ctxt, const char *buffer, int size, const char *URL, const char *encoding, int options); XMLPUBFUN htmlDocPtr XMLCALL htmlCtxtReadFd (xmlParserCtxtPtr ctxt, int fd, const char *URL, const char *encoding, int options); XMLPUBFUN htmlDocPtr XMLCALL htmlCtxtReadIO (xmlParserCtxtPtr ctxt, xmlInputReadCallback ioread, xmlInputCloseCallback ioclose, void *ioctx, const char *URL, const char *encoding, int options); /* NRK/Jan2003: further knowledge of HTML structure */ typedef enum { HTML_NA = 0 , /* something we don't check at all */ HTML_INVALID = 0x1 , HTML_DEPRECATED = 0x2 , HTML_VALID = 0x4 , HTML_REQUIRED = 0xc /* VALID bit set so ( & HTML_VALID ) is TRUE */ } htmlStatus ; /* Using htmlElemDesc rather than name here, to emphasise the fact that otherwise there's a lookup overhead */ XMLPUBFUN htmlStatus XMLCALL htmlAttrAllowed(const htmlElemDesc*, const xmlChar*, int) ; XMLPUBFUN int XMLCALL htmlElementAllowedHere(const htmlElemDesc*, const xmlChar*) ; XMLPUBFUN htmlStatus XMLCALL htmlElementStatusHere(const htmlElemDesc*, const htmlElemDesc*) ; XMLPUBFUN htmlStatus XMLCALL htmlNodeStatus(const htmlNodePtr, int) ; /** * htmlDefaultSubelement: * @elt: HTML element * * Returns the default subelement for this element */ #define htmlDefaultSubelement(elt) elt->defaultsubelt /** * htmlElementAllowedHereDesc: * @parent: HTML parent element * @elt: HTML element * * Checks whether an HTML element description may be a * direct child of the specified element. * * Returns 1 if allowed; 0 otherwise. */ #define htmlElementAllowedHereDesc(parent,elt) \ htmlElementAllowedHere((parent), (elt)->name) /** * htmlRequiredAttrs: * @elt: HTML element * * Returns the attributes required for the specified element. */ #define htmlRequiredAttrs(elt) (elt)->attrs_req #ifdef __cplusplus } #endif #endif /* LIBXML_HTML_ENABLED */ #endif /* __HTML_PARSER_H__ */