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/* * 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__ */