1999-02-27 04:31:49 +03:00
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/*
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The contents of this file are subject to the Mozilla Public License
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1999-07-02 06:32:56 +04:00
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Version 1.1 (the "License"); you may not use this file except in
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1999-02-27 04:31:49 +03:00
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compliance with the License. You may obtain a copy of the License at
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http://www.mozilla.org/MPL/
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Software distributed under the License is distributed on an "AS IS"
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basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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License for the specific language governing rights and limitations
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under the License.
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The Original Code is expat.
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The Initial Developer of the Original Code is James Clark.
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1999-07-02 06:32:56 +04:00
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Portions created by James Clark are Copyright (C) 1998, 1999
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1999-02-27 04:31:49 +03:00
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James Clark. All Rights Reserved.
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Contributor(s):
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1999-07-02 06:32:56 +04:00
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Alternatively, the contents of this file may be used under the terms
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of the GNU General Public License (the "GPL"), in which case the
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provisions of the GPL are applicable instead of those above. If you
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wish to allow use of your version of this file only under the terms of
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the GPL and not to allow others to use your version of this file under
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the MPL, indicate your decision by deleting the provisions above and
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replace them with the notice and other provisions required by the
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GPL. If you do not delete the provisions above, a recipient may use
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your version of this file under either the MPL or the GPL.
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1999-02-27 04:31:49 +03:00
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*/
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#ifndef XmlParse_INCLUDED
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#define XmlParse_INCLUDED 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef XMLPARSEAPI
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#define XMLPARSEAPI /* as nothing */
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#endif
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typedef void *XML_Parser;
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#ifdef XML_UNICODE_WCHAR_T
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/* XML_UNICODE_WCHAR_T will work only if sizeof(wchar_t) == 2 and wchar_t
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uses Unicode. */
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/* Information is UTF-16 encoded as wchar_ts */
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#ifndef XML_UNICODE
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#define XML_UNICODE
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#endif
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#include <stddef.h>
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typedef wchar_t XML_Char;
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typedef wchar_t XML_LChar;
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#else /* not XML_UNICODE_WCHAR_T */
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#ifdef XML_UNICODE
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/* Information is UTF-16 encoded as unsigned shorts */
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typedef unsigned short XML_Char;
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typedef char XML_LChar;
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#else /* not XML_UNICODE */
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/* Information is UTF-8 encoded. */
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typedef char XML_Char;
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typedef char XML_LChar;
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#endif /* not XML_UNICODE */
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#endif /* not XML_UNICODE_WCHAR_T */
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/* Constructs a new parser; encoding is the encoding specified by the external
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protocol or null if there is none specified. */
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XML_Parser XMLPARSEAPI
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XML_ParserCreate(const XML_Char *encoding);
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1999-04-04 09:50:50 +04:00
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/* Constructs a new parser and namespace processor. Element type names
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and attribute names that belong to a namespace will be expanded;
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unprefixed attribute names are never expanded; unprefixed element type
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names are expanded only if there is a default namespace. The expanded
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name is the concatenation of the namespace URI, the namespace separator character,
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and the local part of the name. If the namespace separator is '\0' then
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the namespace URI and the local part will be concatenated without any
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separator. When a namespace is not declared, the name and prefix will be
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passed through without expansion. */
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XML_Parser XMLPARSEAPI
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XML_ParserCreateNS(const XML_Char *encoding, XML_Char namespaceSeparator);
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1999-02-27 04:31:49 +03:00
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/* atts is array of name/value pairs, terminated by 0;
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names and values are 0 terminated. */
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typedef void (*XML_StartElementHandler)(void *userData,
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const XML_Char *name,
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const XML_Char **atts);
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typedef void (*XML_EndElementHandler)(void *userData,
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const XML_Char *name);
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/* s is not 0 terminated. */
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typedef void (*XML_CharacterDataHandler)(void *userData,
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const XML_Char *s,
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int len);
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/* target and data are 0 terminated */
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typedef void (*XML_ProcessingInstructionHandler)(void *userData,
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const XML_Char *target,
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const XML_Char *data);
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1999-04-04 09:50:50 +04:00
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/* data is 0 terminated */
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typedef void (*XML_CommentHandler)(void *userData, const XML_Char *data);
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typedef void (*XML_StartCdataSectionHandler)(void *userData);
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typedef void (*XML_EndCdataSectionHandler)(void *userData);
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1999-02-27 04:31:49 +03:00
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/* This is called for any characters in the XML document for
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which there is no applicable handler. This includes both
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characters that are part of markup which is of a kind that is
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not reported (comments, markup declarations), or characters
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that are part of a construct which could be reported but
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for which no handler has been supplied. The characters are passed
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exactly as they were in the XML document except that
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they will be encoded in UTF-8. Line boundaries are not normalized.
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Note that a byte order mark character is not passed to the default handler.
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1999-04-04 09:50:50 +04:00
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There are no guarantees about how characters are divided between calls
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to the default handler: for example, a comment might be split between
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multiple calls. */
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1999-02-27 04:31:49 +03:00
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typedef void (*XML_DefaultHandler)(void *userData,
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const XML_Char *s,
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int len);
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1999-08-07 10:24:08 +04:00
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/* This is called for the start of the DOCTYPE declaration when the
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name of the DOCTYPE is encountered. */
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typedef void (*XML_StartDoctypeDeclHandler)(void *userData,
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const XML_Char *doctypeName);
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/* This is called for the start of the DOCTYPE declaration when the
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closing > is encountered, but after processing any external subset. */
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typedef void (*XML_EndDoctypeDeclHandler)(void *userData);
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1999-02-27 04:31:49 +03:00
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/* This is called for a declaration of an unparsed (NDATA)
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entity. The base argument is whatever was set by XML_SetBase.
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The entityName, systemId and notationName arguments will never be null.
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The other arguments may be. */
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typedef void (*XML_UnparsedEntityDeclHandler)(void *userData,
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const XML_Char *entityName,
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const XML_Char *base,
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const XML_Char *systemId,
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const XML_Char *publicId,
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const XML_Char *notationName);
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/* This is called for a declaration of notation.
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The base argument is whatever was set by XML_SetBase.
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The notationName will never be null. The other arguments can be. */
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typedef void (*XML_NotationDeclHandler)(void *userData,
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const XML_Char *notationName,
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const XML_Char *base,
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const XML_Char *systemId,
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const XML_Char *publicId);
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1999-04-04 09:50:50 +04:00
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/* When namespace processing is enabled, these are called once for
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each namespace declaration. The call to the start and end element
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handlers occur between the calls to the start and end namespace
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declaration handlers. For an xmlns attribute, prefix will be null.
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For an xmlns="" attribute, uri will be null. */
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typedef void (*XML_StartNamespaceDeclHandler)(void *userData,
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const XML_Char *prefix,
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const XML_Char *uri);
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typedef void (*XML_EndNamespaceDeclHandler)(void *userData,
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const XML_Char *prefix);
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1999-07-02 06:32:56 +04:00
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/* This is called if the document is not standalone (it has an
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external subset or a reference to a parameter entity, but does not
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have standalone="yes"). If this handler returns 0, then processing
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will not continue, and the parser will return a
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XML_ERROR_NOT_STANDALONE error. */
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typedef int (*XML_NotStandaloneHandler)(void *userData);
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1999-02-27 04:31:49 +03:00
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/* This is called for a reference to an external parsed general entity.
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The referenced entity is not automatically parsed.
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The application can parse it immediately or later using
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XML_ExternalEntityParserCreate.
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The parser argument is the parser parsing the entity containing the reference;
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it can be passed as the parser argument to XML_ExternalEntityParserCreate.
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The systemId argument is the system identifier as specified in the entity declaration;
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it will not be null.
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The base argument is the system identifier that should be used as the base for
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resolving systemId if systemId was relative; this is set by XML_SetBase;
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it may be null.
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The publicId argument is the public identifier as specified in the entity declaration,
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or null if none was specified; the whitespace in the public identifier
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will have been normalized as required by the XML spec.
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1999-04-04 09:50:50 +04:00
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The context argument specifies the parsing context in the format
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expected by the context argument to
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XML_ExternalEntityParserCreate; context is valid only until the handler
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1999-02-27 04:31:49 +03:00
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returns, so if the referenced entity is to be parsed later, it must be copied.
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The handler should return 0 if processing should not continue because of
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a fatal error in the handling of the external entity.
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In this case the calling parser will return an XML_ERROR_EXTERNAL_ENTITY_HANDLING
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error.
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Note that unlike other handlers the first argument is the parser, not userData. */
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typedef int (*XML_ExternalEntityRefHandler)(XML_Parser parser,
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1999-04-04 09:50:50 +04:00
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const XML_Char *context,
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1999-02-27 04:31:49 +03:00
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const XML_Char *base,
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const XML_Char *systemId,
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const XML_Char *publicId);
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/* This structure is filled in by the XML_UnknownEncodingHandler
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to provide information to the parser about encodings that are unknown
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to the parser.
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The map[b] member gives information about byte sequences
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whose first byte is b.
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If map[b] is c where c is >= 0, then b by itself encodes the Unicode scalar value c.
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If map[b] is -1, then the byte sequence is malformed.
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If map[b] is -n, where n >= 2, then b is the first byte of an n-byte
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sequence that encodes a single Unicode scalar value.
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The data member will be passed as the first argument to the convert function.
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The convert function is used to convert multibyte sequences;
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s will point to a n-byte sequence where map[(unsigned char)*s] == -n.
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The convert function must return the Unicode scalar value
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represented by this byte sequence or -1 if the byte sequence is malformed.
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The convert function may be null if the encoding is a single-byte encoding,
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that is if map[b] >= -1 for all bytes b.
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When the parser is finished with the encoding, then if release is not null,
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it will call release passing it the data member;
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once release has been called, the convert function will not be called again.
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Expat places certain restrictions on the encodings that are supported
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using this mechanism.
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1. Every ASCII character that can appear in a well-formed XML document,
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other than the characters
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$@\^`{}~
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must be represented by a single byte, and that byte must be the
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same byte that represents that character in ASCII.
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2. No character may require more than 4 bytes to encode.
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3. All characters encoded must have Unicode scalar values <= 0xFFFF,
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(ie characters that would be encoded by surrogates in UTF-16
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are not allowed). Note that this restriction doesn't apply to
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the built-in support for UTF-8 and UTF-16.
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4. No Unicode character may be encoded by more than one distinct sequence
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of bytes. */
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typedef struct {
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int map[256];
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void *data;
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int (*convert)(void *data, const char *s);
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void (*release)(void *data);
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} XML_Encoding;
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/* This is called for an encoding that is unknown to the parser.
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The encodingHandlerData argument is that which was passed as the
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second argument to XML_SetUnknownEncodingHandler.
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The name argument gives the name of the encoding as specified in
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the encoding declaration.
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If the callback can provide information about the encoding,
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it must fill in the XML_Encoding structure, and return 1.
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Otherwise it must return 0.
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If info does not describe a suitable encoding,
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then the parser will return an XML_UNKNOWN_ENCODING error. */
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typedef int (*XML_UnknownEncodingHandler)(void *encodingHandlerData,
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const XML_Char *name,
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XML_Encoding *info);
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void XMLPARSEAPI
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XML_SetElementHandler(XML_Parser parser,
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XML_StartElementHandler start,
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XML_EndElementHandler end);
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void XMLPARSEAPI
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XML_SetCharacterDataHandler(XML_Parser parser,
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XML_CharacterDataHandler handler);
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void XMLPARSEAPI
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XML_SetProcessingInstructionHandler(XML_Parser parser,
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XML_ProcessingInstructionHandler handler);
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1999-04-04 09:50:50 +04:00
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void XMLPARSEAPI
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XML_SetCommentHandler(XML_Parser parser,
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XML_CommentHandler handler);
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void XMLPARSEAPI
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XML_SetCdataSectionHandler(XML_Parser parser,
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XML_StartCdataSectionHandler start,
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XML_EndCdataSectionHandler end);
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/* This sets the default handler and also inhibits expansion of internal entities.
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The entity reference will be passed to the default handler. */
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1999-02-27 04:31:49 +03:00
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void XMLPARSEAPI
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XML_SetDefaultHandler(XML_Parser parser,
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XML_DefaultHandler handler);
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1999-04-04 09:50:50 +04:00
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/* This sets the default handler but does not inhibit expansion of internal entities.
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The entity reference will not be passed to the default handler. */
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void XMLPARSEAPI
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XML_SetDefaultHandlerExpand(XML_Parser parser,
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XML_DefaultHandler handler);
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1999-08-07 10:24:08 +04:00
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void XMLPARSEAPI
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XML_SetDoctypeDeclHandler(XML_Parser parser,
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XML_StartDoctypeDeclHandler start,
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XML_EndDoctypeDeclHandler end);
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1999-02-27 04:31:49 +03:00
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void XMLPARSEAPI
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XML_SetUnparsedEntityDeclHandler(XML_Parser parser,
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XML_UnparsedEntityDeclHandler handler);
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void XMLPARSEAPI
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XML_SetNotationDeclHandler(XML_Parser parser,
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XML_NotationDeclHandler handler);
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1999-04-04 09:50:50 +04:00
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void XMLPARSEAPI
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XML_SetNamespaceDeclHandler(XML_Parser parser,
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XML_StartNamespaceDeclHandler start,
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XML_EndNamespaceDeclHandler end);
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1999-07-02 06:32:56 +04:00
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void XMLPARSEAPI
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XML_SetNotStandaloneHandler(XML_Parser parser,
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XML_NotStandaloneHandler handler);
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1999-02-27 04:31:49 +03:00
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void XMLPARSEAPI
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XML_SetExternalEntityRefHandler(XML_Parser parser,
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XML_ExternalEntityRefHandler handler);
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1999-04-04 09:50:50 +04:00
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/* If a non-null value for arg is specified here, then it will be passed
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as the first argument to the external entity ref handler instead
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of the parser object. */
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void XMLPARSEAPI
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XML_SetExternalEntityRefHandlerArg(XML_Parser, void *arg);
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1999-02-27 04:31:49 +03:00
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void XMLPARSEAPI
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XML_SetUnknownEncodingHandler(XML_Parser parser,
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XML_UnknownEncodingHandler handler,
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void *encodingHandlerData);
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/* This can be called within a handler for a start element, end element,
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processing instruction or character data. It causes the corresponding
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1999-04-04 09:50:50 +04:00
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markup to be passed to the default handler. */
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1999-02-27 04:31:49 +03:00
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void XMLPARSEAPI XML_DefaultCurrent(XML_Parser parser);
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/* This value is passed as the userData argument to callbacks. */
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void XMLPARSEAPI
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XML_SetUserData(XML_Parser parser, void *userData);
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/* Returns the last value set by XML_SetUserData or null. */
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#define XML_GetUserData(parser) (*(void **)(parser))
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1999-04-04 09:50:50 +04:00
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/* This is equivalent to supplying an encoding argument
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to XML_CreateParser. It must not be called after XML_Parse
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or XML_ParseBuffer. */
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int XMLPARSEAPI
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XML_SetEncoding(XML_Parser parser, const XML_Char *encoding);
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1999-02-27 04:31:49 +03:00
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/* If this function is called, then the parser will be passed
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as the first argument to callbacks instead of userData.
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The userData will still be accessible using XML_GetUserData. */
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void XMLPARSEAPI
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XML_UseParserAsHandlerArg(XML_Parser parser);
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/* Sets the base to be used for resolving relative URIs in system identifiers in
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declarations. Resolving relative identifiers is left to the application:
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this value will be passed through as the base argument to the
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XML_ExternalEntityRefHandler, XML_NotationDeclHandler
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and XML_UnparsedEntityDeclHandler. The base argument will be copied.
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Returns zero if out of memory, non-zero otherwise. */
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int XMLPARSEAPI
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XML_SetBase(XML_Parser parser, const XML_Char *base);
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const XML_Char XMLPARSEAPI *
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XML_GetBase(XML_Parser parser);
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1999-07-02 06:32:56 +04:00
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/* Returns the number of the attributes passed in last call to the
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XML_StartElementHandler that were specified in the start-tag rather
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than defaulted. */
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int XMLPARSEAPI XML_GetSpecifiedAttributeCount(XML_Parser parser);
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1999-02-27 04:31:49 +03:00
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/* Parses some input. Returns 0 if a fatal error is detected.
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The last call to XML_Parse must have isFinal true;
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len may be zero for this call (or any other). */
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int XMLPARSEAPI
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XML_Parse(XML_Parser parser, const char *s, int len, int isFinal);
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void XMLPARSEAPI *
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XML_GetBuffer(XML_Parser parser, int len);
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int XMLPARSEAPI
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XML_ParseBuffer(XML_Parser parser, int len, int isFinal);
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/* Creates an XML_Parser object that can parse an external general entity;
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1999-04-04 09:50:50 +04:00
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context is a '\0'-terminated string specifying the parse context;
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encoding is a '\0'-terminated string giving the name of the externally specified encoding,
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1999-02-27 04:31:49 +03:00
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or null if there is no externally specified encoding.
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1999-04-04 09:50:50 +04:00
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The context string consists of a sequence of tokens separated by formfeeds (\f);
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a token consisting of a name specifies that the general entity of the name
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is open; a token of the form prefix=uri specifies the namespace for a particular
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prefix; a token of the form =uri specifies the default namespace.
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1999-02-27 04:31:49 +03:00
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This can be called at any point after the first call to an ExternalEntityRefHandler
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so longer as the parser has not yet been freed.
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The new parser is completely independent and may safely be used in a separate thread.
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The handlers and userData are initialized from the parser argument.
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Returns 0 if out of memory. Otherwise returns a new XML_Parser object. */
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XML_Parser XMLPARSEAPI
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XML_ExternalEntityParserCreate(XML_Parser parser,
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1999-04-04 09:50:50 +04:00
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const XML_Char *context,
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1999-02-27 04:31:49 +03:00
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const XML_Char *encoding);
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|
1999-07-02 06:32:56 +04:00
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enum XML_ParamEntityParsing {
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XML_PARAM_ENTITY_PARSING_NEVER,
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XML_PARAM_ENTITY_PARSING_UNLESS_STANDALONE,
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XML_PARAM_ENTITY_PARSING_ALWAYS
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};
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/* Controls parsing of parameter entities (including the external DTD
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subset). If parsing of parameter entities is enabled, then references
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to external parameter entities (including the external DTD subset)
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will be passed to the handler set with
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XML_SetExternalEntityRefHandler. The context passed will be 0.
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Unlike external general entities, external parameter entities can only
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|
be parsed synchronously. If the external parameter entity is to be
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|
parsed, it must be parsed during the call to the external entity ref
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|
handler: the complete sequence of XML_ExternalEntityParserCreate,
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XML_Parse/XML_ParseBuffer and XML_ParserFree calls must be made during
|
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|
this call. After XML_ExternalEntityParserCreate has been called to
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|
create the parser for the external parameter entity (context must be 0
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|
for this call), it is illegal to make any calls on the old parser
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|
until XML_ParserFree has been called on the newly created parser. If
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the library has been compiled without support for parameter entity
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parsing (ie without XML_DTD being defined), then
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|
XML_SetParamEntityParsing will return 0 if parsing of parameter
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|
entities is requested; otherwise it will return non-zero. */
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|
|
int XMLPARSEAPI
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|
|
XML_SetParamEntityParsing(XML_Parser parser,
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|
|
enum XML_ParamEntityParsing parsing);
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|
1999-02-27 04:31:49 +03:00
|
|
|
enum XML_Error {
|
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|
|
XML_ERROR_NONE,
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|
XML_ERROR_NO_MEMORY,
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|
XML_ERROR_SYNTAX,
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XML_ERROR_NO_ELEMENTS,
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|
XML_ERROR_INVALID_TOKEN,
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XML_ERROR_UNCLOSED_TOKEN,
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XML_ERROR_PARTIAL_CHAR,
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XML_ERROR_TAG_MISMATCH,
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|
|
XML_ERROR_DUPLICATE_ATTRIBUTE,
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|
XML_ERROR_JUNK_AFTER_DOC_ELEMENT,
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|
|
XML_ERROR_PARAM_ENTITY_REF,
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|
|
XML_ERROR_UNDEFINED_ENTITY,
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|
|
XML_ERROR_RECURSIVE_ENTITY_REF,
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|
|
XML_ERROR_ASYNC_ENTITY,
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|
|
XML_ERROR_BAD_CHAR_REF,
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|
|
XML_ERROR_BINARY_ENTITY_REF,
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|
|
XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF,
|
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|
|
XML_ERROR_MISPLACED_XML_PI,
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|
|
XML_ERROR_UNKNOWN_ENCODING,
|
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|
|
XML_ERROR_INCORRECT_ENCODING,
|
|
|
|
XML_ERROR_UNCLOSED_CDATA_SECTION,
|
1999-07-02 06:32:56 +04:00
|
|
|
XML_ERROR_EXTERNAL_ENTITY_HANDLING,
|
|
|
|
XML_ERROR_NOT_STANDALONE
|
1999-02-27 04:31:49 +03:00
|
|
|
};
|
|
|
|
|
|
|
|
/* If XML_Parse or XML_ParseBuffer have returned 0, then XML_GetErrorCode
|
|
|
|
returns information about the error. */
|
|
|
|
|
|
|
|
enum XML_Error XMLPARSEAPI XML_GetErrorCode(XML_Parser parser);
|
|
|
|
|
|
|
|
/* These functions return information about the current parse location.
|
|
|
|
They may be called when XML_Parse or XML_ParseBuffer return 0;
|
|
|
|
in this case the location is the location of the character at which
|
|
|
|
the error was detected.
|
|
|
|
They may also be called from any other callback called to report
|
|
|
|
some parse event; in this the location is the location of the first
|
|
|
|
of the sequence of characters that generated the event. */
|
|
|
|
|
|
|
|
int XMLPARSEAPI XML_GetCurrentLineNumber(XML_Parser parser);
|
|
|
|
int XMLPARSEAPI XML_GetCurrentColumnNumber(XML_Parser parser);
|
|
|
|
long XMLPARSEAPI XML_GetCurrentByteIndex(XML_Parser parser);
|
|
|
|
|
1999-07-02 06:32:56 +04:00
|
|
|
/* Return the number of bytes in the current event.
|
|
|
|
Returns 0 if the event is in an internal entity. */
|
|
|
|
|
|
|
|
int XMLPARSEAPI XML_GetCurrentByteCount(XML_Parser parser);
|
|
|
|
|
1999-02-27 04:31:49 +03:00
|
|
|
/* For backwards compatibility with previous versions. */
|
|
|
|
#define XML_GetErrorLineNumber XML_GetCurrentLineNumber
|
|
|
|
#define XML_GetErrorColumnNumber XML_GetCurrentColumnNumber
|
|
|
|
#define XML_GetErrorByteIndex XML_GetCurrentByteIndex
|
|
|
|
|
|
|
|
/* Frees memory used by the parser. */
|
|
|
|
void XMLPARSEAPI
|
|
|
|
XML_ParserFree(XML_Parser parser);
|
|
|
|
|
|
|
|
/* Returns a string describing the error. */
|
|
|
|
const XML_LChar XMLPARSEAPI *XML_ErrorString(int code);
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#endif /* not XmlParse_INCLUDED */
|