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xmlIO.h
/* * Summary: interface for the I/O interfaces used by the parser * Description: interface for the I/O interfaces used by the parser * * Copy: See Copyright for the status of this software. * * Author: Daniel Veillard */ #ifndef __XML_IO_H__ #define __XML_IO_H__ #include <stdio.h> #include <libxml/xmlversion.h> #ifdef __cplusplus extern "C" { #endif /* * Those are the functions and datatypes for the parser input * I/O structures. */ /** * xmlInputMatchCallback: * @filename: the filename or URI * * Callback used in the I/O Input API to detect if the current handler * can provide input functionality for this resource. * * Returns 1 if yes and 0 if another Input module should be used */ typedef int (XMLCALL *xmlInputMatchCallback) (char const *filename); /** * xmlInputOpenCallback: * @filename: the filename or URI * * Callback used in the I/O Input API to open the resource * * Returns an Input context or NULL in case or error */ typedef void * (XMLCALL *xmlInputOpenCallback) (char const *filename); /** * xmlInputReadCallback: * @context: an Input context * @buffer: the buffer to store data read * @len: the length of the buffer in bytes * * Callback used in the I/O Input API to read the resource * * Returns the number of bytes read or -1 in case of error */ typedef int (XMLCALL *xmlInputReadCallback) (void * context, char * buffer, int len); /** * xmlInputCloseCallback: * @context: an Input context * * Callback used in the I/O Input API to close the resource * * Returns 0 or -1 in case of error */ typedef int (XMLCALL *xmlInputCloseCallback) (void * context); #ifdef LIBXML_OUTPUT_ENABLED /* * Those are the functions and datatypes for the library output * I/O structures. */ /** * xmlOutputMatchCallback: * @filename: the filename or URI * * Callback used in the I/O Output API to detect if the current handler * can provide output functionality for this resource. * * Returns 1 if yes and 0 if another Output module should be used */ typedef int (XMLCALL *xmlOutputMatchCallback) (char const *filename); /** * xmlOutputOpenCallback: * @filename: the filename or URI * * Callback used in the I/O Output API to open the resource * * Returns an Output context or NULL in case or error */ typedef void * (XMLCALL *xmlOutputOpenCallback) (char const *filename); /** * xmlOutputWriteCallback: * @context: an Output context * @buffer: the buffer of data to write * @len: the length of the buffer in bytes * * Callback used in the I/O Output API to write to the resource * * Returns the number of bytes written or -1 in case of error */ typedef int (XMLCALL *xmlOutputWriteCallback) (void * context, const char * buffer, int len); /** * xmlOutputCloseCallback: * @context: an Output context * * Callback used in the I/O Output API to close the resource * * Returns 0 or -1 in case of error */ typedef int (XMLCALL *xmlOutputCloseCallback) (void * context); #endif /* LIBXML_OUTPUT_ENABLED */ #ifdef __cplusplus } #endif #include <libxml/globals.h> #include <libxml/tree.h> #include <libxml/parser.h> #include <libxml/encoding.h> #ifdef __cplusplus extern "C" { #endif struct _xmlParserInputBuffer { void* context; xmlInputReadCallback readcallback; xmlInputCloseCallback closecallback; xmlCharEncodingHandlerPtr encoder; /* I18N conversions to UTF-8 */ xmlBufPtr buffer; /* Local buffer encoded in UTF-8 */ xmlBufPtr raw; /* if encoder != NULL buffer for raw input */ int compressed; /* -1=unknown, 0=not compressed, 1=compressed */ int error; unsigned long rawconsumed;/* amount consumed from raw */ }; #ifdef LIBXML_OUTPUT_ENABLED struct _xmlOutputBuffer { void* context; xmlOutputWriteCallback writecallback; xmlOutputCloseCallback closecallback; xmlCharEncodingHandlerPtr encoder; /* I18N conversions to UTF-8 */ xmlBufPtr buffer; /* Local buffer encoded in UTF-8 or ISOLatin */ xmlBufPtr conv; /* if encoder != NULL buffer for output */ int written; /* total number of byte written */ int error; }; #endif /* LIBXML_OUTPUT_ENABLED */ /* * Interfaces for input */ XMLPUBFUN void XMLCALL xmlCleanupInputCallbacks (void); XMLPUBFUN int XMLCALL xmlPopInputCallbacks (void); XMLPUBFUN void XMLCALL xmlRegisterDefaultInputCallbacks (void); XMLPUBFUN xmlParserInputBufferPtr XMLCALL xmlAllocParserInputBuffer (xmlCharEncoding enc); XMLPUBFUN xmlParserInputBufferPtr XMLCALL xmlParserInputBufferCreateFilename (const char *URI, xmlCharEncoding enc); XMLPUBFUN xmlParserInputBufferPtr XMLCALL xmlParserInputBufferCreateFile (FILE *file, xmlCharEncoding enc); XMLPUBFUN xmlParserInputBufferPtr XMLCALL xmlParserInputBufferCreateFd (int fd, xmlCharEncoding enc); XMLPUBFUN xmlParserInputBufferPtr XMLCALL xmlParserInputBufferCreateMem (const char *mem, int size, xmlCharEncoding enc); XMLPUBFUN xmlParserInputBufferPtr XMLCALL xmlParserInputBufferCreateStatic (const char *mem, int size, xmlCharEncoding enc); XMLPUBFUN xmlParserInputBufferPtr XMLCALL xmlParserInputBufferCreateIO (xmlInputReadCallback ioread, xmlInputCloseCallback ioclose, void *ioctx, xmlCharEncoding enc); XMLPUBFUN int XMLCALL xmlParserInputBufferRead (xmlParserInputBufferPtr in, int len); XMLPUBFUN int XMLCALL xmlParserInputBufferGrow (xmlParserInputBufferPtr in, int len); XMLPUBFUN int XMLCALL xmlParserInputBufferPush (xmlParserInputBufferPtr in, int len, const char *buf); XMLPUBFUN void XMLCALL xmlFreeParserInputBuffer (xmlParserInputBufferPtr in); XMLPUBFUN char * XMLCALL xmlParserGetDirectory (const char *filename); XMLPUBFUN int XMLCALL xmlRegisterInputCallbacks (xmlInputMatchCallback matchFunc, xmlInputOpenCallback openFunc, xmlInputReadCallback readFunc, xmlInputCloseCallback closeFunc); xmlParserInputBufferPtr __xmlParserInputBufferCreateFilename(const char *URI, xmlCharEncoding enc); #ifdef LIBXML_OUTPUT_ENABLED /* * Interfaces for output */ XMLPUBFUN void XMLCALL xmlCleanupOutputCallbacks (void); XMLPUBFUN int XMLCALL xmlPopOutputCallbacks (void); XMLPUBFUN void XMLCALL xmlRegisterDefaultOutputCallbacks(void); XMLPUBFUN xmlOutputBufferPtr XMLCALL xmlAllocOutputBuffer (xmlCharEncodingHandlerPtr encoder); XMLPUBFUN xmlOutputBufferPtr XMLCALL xmlOutputBufferCreateFilename (const char *URI, xmlCharEncodingHandlerPtr encoder, int compression); XMLPUBFUN xmlOutputBufferPtr XMLCALL xmlOutputBufferCreateFile (FILE *file, xmlCharEncodingHandlerPtr encoder); XMLPUBFUN xmlOutputBufferPtr XMLCALL xmlOutputBufferCreateBuffer (xmlBufferPtr buffer, xmlCharEncodingHandlerPtr encoder); XMLPUBFUN xmlOutputBufferPtr XMLCALL xmlOutputBufferCreateFd (int fd, xmlCharEncodingHandlerPtr encoder); XMLPUBFUN xmlOutputBufferPtr XMLCALL xmlOutputBufferCreateIO (xmlOutputWriteCallback iowrite, xmlOutputCloseCallback ioclose, void *ioctx, xmlCharEncodingHandlerPtr encoder); /* Couple of APIs to get the output without digging into the buffers */ XMLPUBFUN const xmlChar * XMLCALL xmlOutputBufferGetContent (xmlOutputBufferPtr out); XMLPUBFUN size_t XMLCALL xmlOutputBufferGetSize (xmlOutputBufferPtr out); XMLPUBFUN int XMLCALL xmlOutputBufferWrite (xmlOutputBufferPtr out, int len, const char *buf); XMLPUBFUN int XMLCALL xmlOutputBufferWriteString (xmlOutputBufferPtr out, const char *str); XMLPUBFUN int XMLCALL xmlOutputBufferWriteEscape (xmlOutputBufferPtr out, const xmlChar *str, xmlCharEncodingOutputFunc escaping); XMLPUBFUN int XMLCALL xmlOutputBufferFlush (xmlOutputBufferPtr out); XMLPUBFUN int XMLCALL xmlOutputBufferClose (xmlOutputBufferPtr out); XMLPUBFUN int XMLCALL xmlRegisterOutputCallbacks (xmlOutputMatchCallback matchFunc, xmlOutputOpenCallback openFunc, xmlOutputWriteCallback writeFunc, xmlOutputCloseCallback closeFunc); xmlOutputBufferPtr __xmlOutputBufferCreateFilename(const char *URI, xmlCharEncodingHandlerPtr encoder, int compression); #ifdef LIBXML_HTTP_ENABLED /* This function only exists if HTTP support built into the library */ XMLPUBFUN void XMLCALL xmlRegisterHTTPPostCallbacks (void ); #endif /* LIBXML_HTTP_ENABLED */ #endif /* LIBXML_OUTPUT_ENABLED */ XMLPUBFUN xmlParserInputPtr XMLCALL xmlCheckHTTPInput (xmlParserCtxtPtr ctxt, xmlParserInputPtr ret); /* * A predefined entity loader disabling network accesses */ XMLPUBFUN xmlParserInputPtr XMLCALL xmlNoNetExternalEntityLoader (const char *URL, const char *ID, xmlParserCtxtPtr ctxt); /* * xmlNormalizeWindowsPath is obsolete, don't use it. * Check xmlCanonicPath in uri.h for a better alternative. */ XMLPUBFUN xmlChar * XMLCALL xmlNormalizeWindowsPath (const xmlChar *path); XMLPUBFUN int XMLCALL xmlCheckFilename (const char *path); /** * Default 'file://' protocol callbacks */ XMLPUBFUN int XMLCALL xmlFileMatch (const char *filename); XMLPUBFUN void * XMLCALL xmlFileOpen (const char *filename); XMLPUBFUN int XMLCALL xmlFileRead (void * context, char * buffer, int len); XMLPUBFUN int XMLCALL xmlFileClose (void * context); /** * Default 'http://' protocol callbacks */ #ifdef LIBXML_HTTP_ENABLED XMLPUBFUN int XMLCALL xmlIOHTTPMatch (const char *filename); XMLPUBFUN void * XMLCALL xmlIOHTTPOpen (const char *filename); #ifdef LIBXML_OUTPUT_ENABLED XMLPUBFUN void * XMLCALL xmlIOHTTPOpenW (const char * post_uri, int compression ); #endif /* LIBXML_OUTPUT_ENABLED */ XMLPUBFUN int XMLCALL xmlIOHTTPRead (void * context, char * buffer, int len); XMLPUBFUN int XMLCALL xmlIOHTTPClose (void * context); #endif /* LIBXML_HTTP_ENABLED */ /** * Default 'ftp://' protocol callbacks */ #ifdef LIBXML_FTP_ENABLED XMLPUBFUN int XMLCALL xmlIOFTPMatch (const char *filename); XMLPUBFUN void * XMLCALL xmlIOFTPOpen (const char *filename); XMLPUBFUN int XMLCALL xmlIOFTPRead (void * context, char * buffer, int len); XMLPUBFUN int XMLCALL xmlIOFTPClose (void * context); #endif /* LIBXML_FTP_ENABLED */ #ifdef __cplusplus } #endif #endif /* __XML_IO_H__ */
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