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# parser ## Name parser -- Parser transform implementation. ## Synopsis
    xmlDocPtr           xmlSecParseFile                     (const char *filename);
    xmlDocPtr           xmlSecParseMemory                   (const xmlSecByte *buffer,
                                                             xmlSecSize size,
                                                             int recovery);
    xmlDocPtr           xmlSecParseMemoryExt                (const xmlSecByte *prefix,
                                                             xmlSecSize prefixSize,
                                                             const xmlSecByte *buffer,
                                                             xmlSecSize bufferSize,
                                                             const xmlSecByte *postfix,
                                                             xmlSecSize postfixSize);
    #define             xmlSecTransformXmlParserId
    xmlSecTransformId   xmlSecTransformXmlParserGetKlass    (void);
## Description Parser transform implementation. ## Details ### xmlSecParseFile ()
    xmlDocPtr           xmlSecParseFile                     (const char *filename);
Loads XML Doc from file `filename`. We need a special version because of c14n issue. The code is copied from `xmlSAXParseFileWithData()` function.
`filename` : | the filename.
Returns : | pointer to the loaded XML document or NULL if an error occurs.
### xmlSecParseMemory ()
    xmlDocPtr           xmlSecParseMemory                   (const xmlSecByte *buffer,
                                                             xmlSecSize size,
                                                             int recovery);
Loads XML Doc from memory. We need a special version because of c14n issue. The code is copied from `xmlSAXParseMemory()` function.
`buffer` : | the input buffer.
`size` : | the input buffer size.
`recovery` : | the flag.
Returns : | pointer to the loaded XML document or NULL if an error occurs.
### xmlSecParseMemoryExt ()
    xmlDocPtr           xmlSecParseMemoryExt                (const xmlSecByte *prefix,
                                                             xmlSecSize prefixSize,
                                                             const xmlSecByte *buffer,
                                                             xmlSecSize bufferSize,
                                                             const xmlSecByte *postfix,
                                                             xmlSecSize postfixSize);
Loads XML Doc from 3 chunks of memory: `prefix`, `buffer` and `postfix`.
`prefix` : | the first part of the input.
`prefixSize` : | the size of the first part of the input.
`buffer` : | the second part of the input.
`bufferSize` : | the size of the second part of the input.
`postfix` : | the third part of the input.
`postfixSize` : | the size of the third part of the input.
Returns : | pointer to the loaded XML document or NULL if an error occurs.
### xmlSecTransformXmlParserId
    #define             xmlSecTransformXmlParserId
The XML Parser transform klass. ### xmlSecTransformXmlParserGetKlass ()
    xmlSecTransformId   xmlSecTransformXmlParserGetKlass    (void);
The XML parser transform.
Returns : | XML parser transform klass.