Current File : //usr/include/libxml2/libxml/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 fonctionnalities 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 fonctionnalities 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 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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