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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__
/** DOC_DISABLE */
#include <stdio.h>
#include <libxml/xmlversion.h>
#include <libxml/encoding.h>
#define XML_TREE_INTERNALS
#include <libxml/tree.h>
#undef XML_TREE_INTERNALS
/** DOC_ENABLE */
#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 (*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 * (*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 (*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 (*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 (*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 * (*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 (*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 (*xmlOutputCloseCallback) (void * context);
#endif /* LIBXML_OUTPUT_ENABLED */
/**
* xmlParserInputBufferCreateFilenameFunc:
* @URI: the URI to read from
* @enc: the requested source encoding
*
* Signature for the function doing the lookup for a suitable input method
* corresponding to an URI.
*
* Returns the new xmlParserInputBufferPtr in case of success or NULL if no
* method was found.
*/
typedef xmlParserInputBufferPtr
(*xmlParserInputBufferCreateFilenameFunc)(const char *URI, xmlCharEncoding enc);
/**
* xmlOutputBufferCreateFilenameFunc:
* @URI: the URI to write to
* @enc: the requested target encoding
*
* Signature for the function doing the lookup for a suitable output method
* corresponding to an URI.
*
* Returns the new xmlOutputBufferPtr in case of success or NULL if no
* method was found.
*/
typedef xmlOutputBufferPtr
(*xmlOutputBufferCreateFilenameFunc)(const char *URI,
xmlCharEncodingHandlerPtr encoder, int compression);
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 */
/** DOC_DISABLE */
#define XML_GLOBALS_IO \
XML_OP(xmlParserInputBufferCreateFilenameValue, \
xmlParserInputBufferCreateFilenameFunc, XML_DEPRECATED) \
XML_OP(xmlOutputBufferCreateFilenameValue, \
xmlOutputBufferCreateFilenameFunc, XML_DEPRECATED)
#define XML_OP XML_DECLARE_GLOBAL
XML_GLOBALS_IO
#undef XML_OP
#if defined(LIBXML_THREAD_ENABLED) && !defined(XML_GLOBALS_NO_REDEFINITION)
#define xmlParserInputBufferCreateFilenameValue \
XML_GLOBAL_MACRO(xmlParserInputBufferCreateFilenameValue)
#define xmlOutputBufferCreateFilenameValue \
XML_GLOBAL_MACRO(xmlOutputBufferCreateFilenameValue)
#endif
/** DOC_ENABLE */
/*
* Interfaces for input
*/
XMLPUBFUN void
xmlCleanupInputCallbacks (void);
XMLPUBFUN int
xmlPopInputCallbacks (void);
XMLPUBFUN void
xmlRegisterDefaultInputCallbacks (void);
XMLPUBFUN xmlParserInputBufferPtr
xmlAllocParserInputBuffer (xmlCharEncoding enc);
XMLPUBFUN xmlParserInputBufferPtr
xmlParserInputBufferCreateFilename (const char *URI,
xmlCharEncoding enc);
XMLPUBFUN xmlParserInputBufferPtr
xmlParserInputBufferCreateFile (FILE *file,
xmlCharEncoding enc);
XMLPUBFUN xmlParserInputBufferPtr
xmlParserInputBufferCreateFd (int fd,
xmlCharEncoding enc);
XMLPUBFUN xmlParserInputBufferPtr
xmlParserInputBufferCreateMem (const char *mem, int size,
xmlCharEncoding enc);
XMLPUBFUN xmlParserInputBufferPtr
xmlParserInputBufferCreateStatic (const char *mem, int size,
xmlCharEncoding enc);
XMLPUBFUN xmlParserInputBufferPtr
xmlParserInputBufferCreateIO (xmlInputReadCallback ioread,
xmlInputCloseCallback ioclose,
void *ioctx,
xmlCharEncoding enc);
XMLPUBFUN int
xmlParserInputBufferRead (xmlParserInputBufferPtr in,
int len);
XMLPUBFUN int
xmlParserInputBufferGrow (xmlParserInputBufferPtr in,
int len);
XMLPUBFUN int
xmlParserInputBufferPush (xmlParserInputBufferPtr in,
int len,
const char *buf);
XMLPUBFUN void
xmlFreeParserInputBuffer (xmlParserInputBufferPtr in);
XMLPUBFUN char *
xmlParserGetDirectory (const char *filename);
XMLPUBFUN int
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
xmlCleanupOutputCallbacks (void);
XMLPUBFUN int
xmlPopOutputCallbacks (void);
XMLPUBFUN void
xmlRegisterDefaultOutputCallbacks(void);
XMLPUBFUN xmlOutputBufferPtr
xmlAllocOutputBuffer (xmlCharEncodingHandlerPtr encoder);
XMLPUBFUN xmlOutputBufferPtr
xmlOutputBufferCreateFilename (const char *URI,
xmlCharEncodingHandlerPtr encoder,
int compression);
XMLPUBFUN xmlOutputBufferPtr
xmlOutputBufferCreateFile (FILE *file,
xmlCharEncodingHandlerPtr encoder);
XMLPUBFUN xmlOutputBufferPtr
xmlOutputBufferCreateBuffer (xmlBufferPtr buffer,
xmlCharEncodingHandlerPtr encoder);
XMLPUBFUN xmlOutputBufferPtr
xmlOutputBufferCreateFd (int fd,
xmlCharEncodingHandlerPtr encoder);
XMLPUBFUN xmlOutputBufferPtr
xmlOutputBufferCreateIO (xmlOutputWriteCallback iowrite,
xmlOutputCloseCallback ioclose,
void *ioctx,
xmlCharEncodingHandlerPtr encoder);
/* Couple of APIs to get the output without digging into the buffers */
XMLPUBFUN const xmlChar *
xmlOutputBufferGetContent (xmlOutputBufferPtr out);
XMLPUBFUN size_t
xmlOutputBufferGetSize (xmlOutputBufferPtr out);
XMLPUBFUN int
xmlOutputBufferWrite (xmlOutputBufferPtr out,
int len,
const char *buf);
XMLPUBFUN int
xmlOutputBufferWriteString (xmlOutputBufferPtr out,
const char *str);
XMLPUBFUN int
xmlOutputBufferWriteEscape (xmlOutputBufferPtr out,
const xmlChar *str,
xmlCharEncodingOutputFunc escaping);
XMLPUBFUN int
xmlOutputBufferFlush (xmlOutputBufferPtr out);
XMLPUBFUN int
xmlOutputBufferClose (xmlOutputBufferPtr out);
XMLPUBFUN int
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 */
XML_DEPRECATED
XMLPUBFUN void
xmlRegisterHTTPPostCallbacks (void );
#endif /* LIBXML_HTTP_ENABLED */
#endif /* LIBXML_OUTPUT_ENABLED */
XML_DEPRECATED
XMLPUBFUN xmlParserInputPtr
xmlCheckHTTPInput (xmlParserCtxtPtr ctxt,
xmlParserInputPtr ret);
/*
* A predefined entity loader disabling network accesses
*/
XMLPUBFUN xmlParserInputPtr
xmlNoNetExternalEntityLoader (const char *URL,
const char *ID,
xmlParserCtxtPtr ctxt);
XML_DEPRECATED
XMLPUBFUN xmlChar *
xmlNormalizeWindowsPath (const xmlChar *path);
XML_DEPRECATED
XMLPUBFUN int
xmlCheckFilename (const char *path);
/**
* Default 'file://' protocol callbacks
*/
XML_DEPRECATED
XMLPUBFUN int
xmlFileMatch (const char *filename);
XML_DEPRECATED
XMLPUBFUN void *
xmlFileOpen (const char *filename);
XML_DEPRECATED
XMLPUBFUN int
xmlFileRead (void * context,
char * buffer,
int len);
XML_DEPRECATED
XMLPUBFUN int
xmlFileClose (void * context);
/**
* Default 'http://' protocol callbacks
*/
#ifdef LIBXML_HTTP_ENABLED
XML_DEPRECATED
XMLPUBFUN int
xmlIOHTTPMatch (const char *filename);
XML_DEPRECATED
XMLPUBFUN void *
xmlIOHTTPOpen (const char *filename);
#ifdef LIBXML_OUTPUT_ENABLED
XML_DEPRECATED
XMLPUBFUN void *
xmlIOHTTPOpenW (const char * post_uri,
int compression );
#endif /* LIBXML_OUTPUT_ENABLED */
XML_DEPRECATED
XMLPUBFUN int
xmlIOHTTPRead (void * context,
char * buffer,
int len);
XML_DEPRECATED
XMLPUBFUN int
xmlIOHTTPClose (void * context);
#endif /* LIBXML_HTTP_ENABLED */
/**
* Default 'ftp://' protocol callbacks
*/
#if defined(LIBXML_FTP_ENABLED)
XML_DEPRECATED
XMLPUBFUN int
xmlIOFTPMatch (const char *filename);
XML_DEPRECATED
XMLPUBFUN void *
xmlIOFTPOpen (const char *filename);
XML_DEPRECATED
XMLPUBFUN int
xmlIOFTPRead (void * context,
char * buffer,
int len);
XML_DEPRECATED
XMLPUBFUN int
xmlIOFTPClose (void * context);
#endif /* defined(LIBXML_FTP_ENABLED) */
XMLPUBFUN xmlParserInputBufferCreateFilenameFunc
xmlParserInputBufferCreateFilenameDefault(
xmlParserInputBufferCreateFilenameFunc func);
XMLPUBFUN xmlOutputBufferCreateFilenameFunc
xmlOutputBufferCreateFilenameDefault(
xmlOutputBufferCreateFilenameFunc func);
XML_DEPRECATED
XMLPUBFUN xmlOutputBufferCreateFilenameFunc
xmlThrDefOutputBufferCreateFilenameDefault(
xmlOutputBufferCreateFilenameFunc func);
XML_DEPRECATED
XMLPUBFUN xmlParserInputBufferCreateFilenameFunc
xmlThrDefParserInputBufferCreateFilenameDefault(
xmlParserInputBufferCreateFilenameFunc func);
#ifdef __cplusplus
}
#endif
#endif /* __XML_IO_H__ */