/* * Summary: internals routines and limits exported by the parser. * Description: this module exports a number of internal parsing routines *              they are not really all intended for applications but *              can prove useful doing low level processing. * * Copy: See Copyright for the status of this software. * * Author: Daniel Veillard */ #ifndef __XML_PARSER_INTERNALS_H__#define __XML_PARSER_INTERNALS_H__ #include <libxml/xmlversion.h>#include <libxml/parser.h>#include <libxml/HTMLparser.h>#include <libxml/chvalid.h> #ifdef __cplusplusextern "C" {#endif /** * xmlParserMaxDepth: * * arbitrary depth limit for the XML documents that we allow to * process. This is not a limitation of the parser but a safety * boundary feature, use XML_PARSE_HUGE option to override it. */XMLPUBVAR unsigned int xmlParserMaxDepth; /** * XML_MAX_TEXT_LENGTH: * * Maximum size allowed for a single text node when building a tree. * This is not a limitation of the parser but a safety boundary feature, * use XML_PARSE_HUGE option to override it. * Introduced in 2.9.0 */#define XML_MAX_TEXT_LENGTH 10000000 /** * XML_MAX_NAME_LENGTH: * * Maximum size allowed for a markup identitier * This is not a limitation of the parser but a safety boundary feature, * use XML_PARSE_HUGE option to override it. * Note that with the use of parsing dictionaries overriding the limit * may result in more runtime memory usage in face of "unfriendly' content * Introduced in 2.9.0 */#define XML_MAX_NAME_LENGTH 50000 /** * XML_MAX_DICTIONARY_LIMIT: * * Maximum size allowed by the parser for a dictionary by default * This is not a limitation of the parser but a safety boundary feature, * use XML_PARSE_HUGE option to override it. * Introduced in 2.9.0 */#define XML_MAX_DICTIONARY_LIMIT 10000000 /** * XML_MAX_LOOKUP_LIMIT: * * Maximum size allowed by the parser for ahead lookup * This is an upper boundary enforced by the parser to avoid bad * behaviour on "unfriendly' content * Introduced in 2.9.0 */#define XML_MAX_LOOKUP_LIMIT 10000000 /** * XML_MAX_NAMELEN: * * Identifiers can be longer, but this will be more costly * at runtime. */#define XML_MAX_NAMELEN 100 /** * INPUT_CHUNK: * * The parser tries to always have that amount of input ready. * One of the point is providing context when reporting errors. */#define INPUT_CHUNK	250 /************************************************************************ *									* * UNICODE version of the macros.					* *									* ************************************************************************//** * IS_BYTE_CHAR: * @c:  an byte value (int) * * Macro to check the following production in the XML spec: * * [2] Char ::= #x9 | #xA | #xD | [#x20...] * any byte character in the accepted range */#define IS_BYTE_CHAR(c)	 xmlIsChar_ch(c) /** * IS_CHAR: * @c:  an UNICODE value (int) * * Macro to check the following production in the XML spec: * * [2] Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] *                  | [#x10000-#x10FFFF] * any Unicode character, excluding the surrogate blocks, FFFE, and FFFF. */#define IS_CHAR(c)   xmlIsCharQ(c) /** * IS_CHAR_CH: * @c: an xmlChar (usually an unsigned char) * * Behaves like IS_CHAR on single-byte value */#define IS_CHAR_CH(c)  xmlIsChar_ch(c) /** * IS_BLANK: * @c:  an UNICODE value (int) * * Macro to check the following production in the XML spec: * * [3] S ::= (#x20 | #x9 | #xD | #xA)+ */#define IS_BLANK(c)  xmlIsBlankQ(c) /** * IS_BLANK_CH: * @c:  an xmlChar value (normally unsigned char) * * Behaviour same as IS_BLANK */#define IS_BLANK_CH(c)  xmlIsBlank_ch(c) /** * IS_BASECHAR: * @c:  an UNICODE value (int) * * Macro to check the following production in the XML spec: * * [85] BaseChar ::= ... long list see REC ... */#define IS_BASECHAR(c) xmlIsBaseCharQ(c) /** * IS_DIGIT: * @c:  an UNICODE value (int) * * Macro to check the following production in the XML spec: * * [88] Digit ::= ... long list see REC ... */#define IS_DIGIT(c) xmlIsDigitQ(c) /** * IS_DIGIT_CH: * @c:  an xmlChar value (usually an unsigned char) * * Behaves like IS_DIGIT but with a single byte argument */#define IS_DIGIT_CH(c)  xmlIsDigit_ch(c) /** * IS_COMBINING: * @c:  an UNICODE value (int) * * Macro to check the following production in the XML spec: * * [87] CombiningChar ::= ... long list see REC ... */#define IS_COMBINING(c) xmlIsCombiningQ(c) /** * IS_COMBINING_CH: * @c:  an xmlChar (usually an unsigned char) * * Always false (all combining chars > 0xff) */#define IS_COMBINING_CH(c) 0 /** * IS_EXTENDER: * @c:  an UNICODE value (int) * * Macro to check the following production in the XML spec: * * * [89] Extender ::= #x00B7 | #x02D0 | #x02D1 | #x0387 | #x0640 | *                   #x0E46 | #x0EC6 | #x3005 | [#x3031-#x3035] | *                   [#x309D-#x309E] | [#x30FC-#x30FE] */#define IS_EXTENDER(c) xmlIsExtenderQ(c) /** * IS_EXTENDER_CH: * @c:  an xmlChar value (usually an unsigned char) * * Behaves like IS_EXTENDER but with a single-byte argument */#define IS_EXTENDER_CH(c)  xmlIsExtender_ch(c) /** * IS_IDEOGRAPHIC: * @c:  an UNICODE value (int) * * Macro to check the following production in the XML spec: * * * [86] Ideographic ::= [#x4E00-#x9FA5] | #x3007 | [#x3021-#x3029] */#define IS_IDEOGRAPHIC(c) xmlIsIdeographicQ(c) /** * IS_LETTER: * @c:  an UNICODE value (int) * * Macro to check the following production in the XML spec: * * * [84] Letter ::= BaseChar | Ideographic */#define IS_LETTER(c) (IS_BASECHAR(c) || IS_IDEOGRAPHIC(c)) /** * IS_LETTER_CH: * @c:  an xmlChar value (normally unsigned char) * * Macro behaves like IS_LETTER, but only check base chars * */#define IS_LETTER_CH(c) xmlIsBaseChar_ch(c) /** * IS_ASCII_LETTER: * @c: an xmlChar value * * Macro to check [a-zA-Z] * */#define IS_ASCII_LETTER(c)	(((0x41 <= (c)) && ((c) <= 0x5a)) || \				 ((0x61 <= (c)) && ((c) <= 0x7a))) /** * IS_ASCII_DIGIT: * @c: an xmlChar value * * Macro to check [0-9] * */#define IS_ASCII_DIGIT(c)	((0x30 <= (c)) && ((c) <= 0x39)) /** * IS_PUBIDCHAR: * @c:  an UNICODE value (int) * * Macro to check the following production in the XML spec: * * * [13] PubidChar ::= #x20 | #xD | #xA | [a-zA-Z0-9] | [-'()+,./:=?;!*#@$_%] */#define IS_PUBIDCHAR(c)	xmlIsPubidCharQ(c) /** * IS_PUBIDCHAR_CH: * @c:  an xmlChar value (normally unsigned char) * * Same as IS_PUBIDCHAR but for single-byte value */#define IS_PUBIDCHAR_CH(c) xmlIsPubidChar_ch(c) /** * SKIP_EOL: * @p:  and UTF8 string pointer * * Skips the end of line chars. */#define SKIP_EOL(p)							\    if (*(p) == 0x13) { p++ ; if (*(p) == 0x10) p++; }			\    if (*(p) == 0x10) { p++ ; if (*(p) == 0x13) p++; } /** * MOVETO_ENDTAG: * @p:  and UTF8 string pointer * * Skips to the next '>' char. */#define MOVETO_ENDTAG(p)						\    while ((*p) && (*(p) != '>')) (p)++ /** * MOVETO_STARTTAG: * @p:  and UTF8 string pointer * * Skips to the next '<' char. */#define MOVETO_STARTTAG(p)						\    while ((*p) && (*(p) != '<')) (p)++ /** * Global variables used for predefined strings. */XMLPUBVAR const xmlChar xmlStringText[];XMLPUBVAR const xmlChar xmlStringTextNoenc[];XMLPUBVAR const xmlChar xmlStringComment[]; /* * Function to finish the work of the macros where needed. */XMLPUBFUN int XMLCALL                   xmlIsLetter     (int c); /** * Parser context. */XMLPUBFUN xmlParserCtxtPtr XMLCALL			xmlCreateFileParserCtxt	(const char *filename);XMLPUBFUN xmlParserCtxtPtr XMLCALL			xmlCreateURLParserCtxt	(const char *filename,						 int options);XMLPUBFUN xmlParserCtxtPtr XMLCALL			xmlCreateMemoryParserCtxt(const char *buffer,						 int size);XMLPUBFUN xmlParserCtxtPtr XMLCALL			xmlCreateEntityParserCtxt(const xmlChar *URL,						 const xmlChar *ID,						 const xmlChar *base);XMLPUBFUN int XMLCALL			xmlSwitchEncoding	(xmlParserCtxtPtr ctxt,						 xmlCharEncoding enc);XMLPUBFUN int XMLCALL			xmlSwitchToEncoding	(xmlParserCtxtPtr ctxt,					 xmlCharEncodingHandlerPtr handler);XMLPUBFUN int XMLCALL			xmlSwitchInputEncoding	(xmlParserCtxtPtr ctxt,						 xmlParserInputPtr input,					 xmlCharEncodingHandlerPtr handler); #ifdef IN_LIBXML/* internal error reporting */XMLPUBFUN void XMLCALL			__xmlErrEncoding	(xmlParserCtxtPtr ctxt,						 xmlParserErrors xmlerr,						 const char *msg,						 const xmlChar * str1,						 const xmlChar * str2);#endif /** * Input Streams. */XMLPUBFUN xmlParserInputPtr XMLCALL			xmlNewStringInputStream	(xmlParserCtxtPtr ctxt,						 const xmlChar *buffer);XMLPUBFUN xmlParserInputPtr XMLCALL			xmlNewEntityInputStream	(xmlParserCtxtPtr ctxt,						 xmlEntityPtr entity);XMLPUBFUN int XMLCALL			xmlPushInput		(xmlParserCtxtPtr ctxt,						 xmlParserInputPtr input);XMLPUBFUN xmlChar XMLCALL			xmlPopInput		(xmlParserCtxtPtr ctxt);XMLPUBFUN void XMLCALL			xmlFreeInputStream	(xmlParserInputPtr input);XMLPUBFUN xmlParserInputPtr XMLCALL			xmlNewInputFromFile	(xmlParserCtxtPtr ctxt,						 const char *filename);XMLPUBFUN xmlParserInputPtr XMLCALL			xmlNewInputStream	(xmlParserCtxtPtr ctxt); /** * Namespaces. */XMLPUBFUN xmlChar * XMLCALL			xmlSplitQName		(xmlParserCtxtPtr ctxt,						 const xmlChar *name,						 xmlChar **prefix); /** * Generic production rules. */XMLPUBFUN const xmlChar * XMLCALL			xmlParseName		(xmlParserCtxtPtr ctxt);XMLPUBFUN xmlChar * XMLCALL			xmlParseNmtoken		(xmlParserCtxtPtr ctxt);XMLPUBFUN xmlChar * XMLCALL			xmlParseEntityValue	(xmlParserCtxtPtr ctxt,						 xmlChar **orig);XMLPUBFUN xmlChar * XMLCALL			xmlParseAttValue	(xmlParserCtxtPtr ctxt);XMLPUBFUN xmlChar * XMLCALL			xmlParseSystemLiteral	(xmlParserCtxtPtr ctxt);XMLPUBFUN xmlChar * XMLCALL			xmlParsePubidLiteral	(xmlParserCtxtPtr ctxt);XMLPUBFUN void XMLCALL			xmlParseCharData	(xmlParserCtxtPtr ctxt,						 int cdata);XMLPUBFUN xmlChar * XMLCALL			xmlParseExternalID	(xmlParserCtxtPtr ctxt,						 xmlChar **publicID,						 int strict);XMLPUBFUN void XMLCALL			xmlParseComment		(xmlParserCtxtPtr ctxt);XMLPUBFUN const xmlChar * XMLCALL			xmlParsePITarget	(xmlParserCtxtPtr ctxt);XMLPUBFUN void XMLCALL			xmlParsePI		(xmlParserCtxtPtr ctxt);XMLPUBFUN void XMLCALL			xmlParseNotationDecl	(xmlParserCtxtPtr ctxt);XMLPUBFUN void XMLCALL			xmlParseEntityDecl	(xmlParserCtxtPtr ctxt);XMLPUBFUN int XMLCALL			xmlParseDefaultDecl	(xmlParserCtxtPtr ctxt,						 xmlChar **value);XMLPUBFUN xmlEnumerationPtr XMLCALL			xmlParseNotationType	(xmlParserCtxtPtr ctxt);XMLPUBFUN xmlEnumerationPtr XMLCALL			xmlParseEnumerationType	(xmlParserCtxtPtr ctxt);XMLPUBFUN int XMLCALL			xmlParseEnumeratedType	(xmlParserCtxtPtr ctxt,						 xmlEnumerationPtr *tree);XMLPUBFUN int XMLCALL			xmlParseAttributeType	(xmlParserCtxtPtr ctxt,						 xmlEnumerationPtr *tree);XMLPUBFUN void XMLCALL			xmlParseAttributeListDecl(xmlParserCtxtPtr ctxt);XMLPUBFUN xmlElementContentPtr XMLCALL			xmlParseElementMixedContentDecl						(xmlParserCtxtPtr ctxt,						 int inputchk);XMLPUBFUN xmlElementContentPtr XMLCALL			xmlParseElementChildrenContentDecl						(xmlParserCtxtPtr ctxt,						 int inputchk);XMLPUBFUN int XMLCALL			xmlParseElementContentDecl(xmlParserCtxtPtr ctxt,						 const xmlChar *name,						 xmlElementContentPtr *result);XMLPUBFUN int XMLCALL			xmlParseElementDecl	(xmlParserCtxtPtr ctxt);XMLPUBFUN void XMLCALL			xmlParseMarkupDecl	(xmlParserCtxtPtr ctxt);XMLPUBFUN int XMLCALL			xmlParseCharRef		(xmlParserCtxtPtr ctxt);XMLPUBFUN xmlEntityPtr XMLCALL			xmlParseEntityRef	(xmlParserCtxtPtr ctxt);XMLPUBFUN void XMLCALL			xmlParseReference	(xmlParserCtxtPtr ctxt);XMLPUBFUN void XMLCALL			xmlParsePEReference	(xmlParserCtxtPtr ctxt);XMLPUBFUN void XMLCALL			xmlParseDocTypeDecl	(xmlParserCtxtPtr ctxt);#ifdef LIBXML_SAX1_ENABLEDXMLPUBFUN const xmlChar * XMLCALL			xmlParseAttribute	(xmlParserCtxtPtr ctxt,						 xmlChar **value);XMLPUBFUN const xmlChar * XMLCALL			xmlParseStartTag	(xmlParserCtxtPtr ctxt);XMLPUBFUN void XMLCALL			xmlParseEndTag		(xmlParserCtxtPtr ctxt);#endif /* LIBXML_SAX1_ENABLED */XMLPUBFUN void XMLCALL			xmlParseCDSect		(xmlParserCtxtPtr ctxt);XMLPUBFUN void XMLCALL			xmlParseContent		(xmlParserCtxtPtr ctxt);XMLPUBFUN void XMLCALL			xmlParseElement		(xmlParserCtxtPtr ctxt);XMLPUBFUN xmlChar * XMLCALL			xmlParseVersionNum	(xmlParserCtxtPtr ctxt);XMLPUBFUN xmlChar * XMLCALL			xmlParseVersionInfo	(xmlParserCtxtPtr ctxt);XMLPUBFUN xmlChar * XMLCALL			xmlParseEncName		(xmlParserCtxtPtr ctxt);XMLPUBFUN const xmlChar * XMLCALL			xmlParseEncodingDecl	(xmlParserCtxtPtr ctxt);XMLPUBFUN int XMLCALL			xmlParseSDDecl		(xmlParserCtxtPtr ctxt);XMLPUBFUN void XMLCALL			xmlParseXMLDecl		(xmlParserCtxtPtr ctxt);XMLPUBFUN void XMLCALL			xmlParseTextDecl	(xmlParserCtxtPtr ctxt);XMLPUBFUN void XMLCALL			xmlParseMisc		(xmlParserCtxtPtr ctxt);XMLPUBFUN void XMLCALL			xmlParseExternalSubset	(xmlParserCtxtPtr ctxt,						 const xmlChar *ExternalID,						 const xmlChar *SystemID);/** * XML_SUBSTITUTE_NONE: * * If no entities need to be substituted. */

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