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1.8 KiB

* Copyright (c) 2003, 2004 X/IO Labs,
* Copyright (c) 2003, 2004 Lev Walkin <>. All rights reserved.
* Redistribution and modifications are permitted subject to BSD license.
#ifndef _XER_SUPPORT_H_
#define _XER_SUPPORT_H_
#include <asn_system.h> /* Platform-specific types */
#ifdef __cplusplus
extern "C" {
* Types of data transferred to the application.
typedef enum {
PXML_TEXT, /* Plain text between XML tags. */
PXML_TAG, /* A tag, starting with '<'. */
PXML_COMMENT, /* An XML comment, including "<!--" and "-->". */
* The following chunk types are reported if the chunk
* terminates the specified XML element.
PXML_TAG_END, /* Tag ended */
PXML_COMMENT_END /* Comment ended */
} pxml_chunk_type_e;
* Callback function that is called by the parser when parsed data is
* available. The _opaque is the pointer to a field containing opaque user
* data specified in pxml_create() call. The chunk type is _type and the text
* data is the piece of buffer identified by _bufid (as supplied to
* pxml_feed() call) starting at offset _offset and of _size bytes size.
* The chunk is NOT '\0'-terminated.
typedef int (pxml_callback_f)(pxml_chunk_type_e _type,
const void *_chunk_data, size_t _chunk_size, void *_key);
* Parse the given buffer as it were a chunk of XML data.
* Invoke the specified callback each time the meaninful data is found.
* This function returns number of bytes consumed from the bufer.
* It will always be lesser than or equal to the specified _size.
* The next invocation of this function must account the difference.
ssize_t pxml_parse(int *_stateContext, const void *_buf, size_t _size,
pxml_callback_f *cb, void *_key);
#ifdef __cplusplus
#endif /* _XER_SUPPORT_H_ */