56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/*
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* Copyright (c) 2003, 2004 X/IO Labs, xiolabs.com.
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* Copyright (c) 2003-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
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* Redistribution and modifications are permitted subject to BSD license.
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*/
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#ifndef _XER_SUPPORT_H_
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#define _XER_SUPPORT_H_
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#include <asn_system.h> /* Platform-specific types */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Types of data transferred to the application.
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*/
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typedef enum {
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PXML_TEXT, /* Plain text between XML tags. */
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PXML_TAG, /* A tag, starting with '<'. */
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PXML_COMMENT, /* An XML comment, including "<!--" and "-->". */
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/*
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* The following chunk types are reported if the chunk
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* terminates the specified XML element.
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*/
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PXML_TAG_END, /* Tag ended */
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PXML_COMMENT_END /* Comment ended */
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} pxml_chunk_type_e;
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/*
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* Callback function that is called by the parser when parsed data is
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* available. The _opaque is the pointer to a field containing opaque user
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* data specified in pxml_create() call. The chunk type is _type and the text
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* data is the piece of buffer identified by _bufid (as supplied to
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* pxml_feed() call) starting at offset _offset and of _size bytes size.
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* The chunk is NOT '\0'-terminated.
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*/
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typedef int (pxml_callback_f)(pxml_chunk_type_e _type,
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const void *_chunk_data, size_t _chunk_size, void *_key);
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/*
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* Parse the given buffer as it were a chunk of XML data.
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* Invoke the specified callback each time the meaninful data is found.
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* This function returns number of bytes consumed from the bufer.
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* It will always be lesser than or equal to the specified _size.
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* The next invocation of this function must account the difference.
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*/
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ssize_t pxml_parse(int *_stateContext, const void *_buf, size_t _size,
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pxml_callback_f *cb, void *_key);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _XER_SUPPORT_H_ */
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