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reader: Add callbacks for resource loader

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This commit is contained in:
Nick Wellnhofer 2024-06-11 14:47:03 +02:00
parent fa2592b384
commit fd7d9e5eca
2 changed files with 52 additions and 17 deletions
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5
include/libxml/xmlreader.h
View File

@ -426,6 +426,11 @@ XMLPUBFUN void
xmlTextReaderErrorFunc *f,
void **arg);
XMLPUBFUN void
xmlTextReaderSetResourceLoader(xmlTextReaderPtr reader,
xmlResourceLoader loader,
void *data);
#endif /* LIBXML_READER_ENABLED */
#ifdef __cplusplus

64
xmlreader.c
View File

@ -156,6 +156,9 @@ struct _xmlTextReader {
int parserFlags; /* the set of options set */
/* Structured error handling */
xmlStructuredErrorFunc sErrorFunc; /* callback function */
xmlResourceLoader resourceLoader;
void *resourceCtxt;
};
#define NODE_IS_EMPTY 0x1
@ -1446,6 +1449,9 @@ node_found:
if ((reader->errorFunc != NULL) || (reader->sErrorFunc != NULL))
xmlXIncludeSetErrorHandler(reader->xincctxt,
xmlTextReaderStructuredRelay, reader);
if (reader->resourceLoader != NULL)
xmlXIncludeSetResourceLoader(reader->xincctxt,
reader->resourceLoader, reader->resourceCtxt);
}
/*
* expand that node and process it
@ -4783,6 +4789,47 @@ xmlTextReaderSetStructuredErrorHandler(xmlTextReaderPtr reader,
}
}
/**
* xmlTextReaderGetErrorHandler:
* @reader: the xmlTextReaderPtr used
* @f: the callback function or NULL is no callback has been registered
* @arg: a user argument
*
* Retrieve the error callback function and user argument.
*/
void
xmlTextReaderGetErrorHandler(xmlTextReaderPtr reader,
xmlTextReaderErrorFunc * f, void **arg)
{
if (f != NULL)
*f = reader->errorFunc;
if (arg != NULL)
*arg = reader->errorFuncArg;
}
/**
* xmlTextReaderSetResourceLoader:
* @reader: thr reader
* @loader: resource loader
* @data: user data which will be passed to the loader
*
* Register a callback function that will be called to load external
* resources like entities.
*
* Available since 2.14.0.
*/
void
xmlTextReaderSetResourceLoader(xmlTextReaderPtr reader,
xmlResourceLoader loader, void *data) {
if ((reader == NULL) || (reader->ctxt == NULL))
return;
reader->resourceLoader = loader;
reader->resourceCtxt = data;
xmlCtxtSetResourceLoader(reader->ctxt, loader, data);
}
/**
* xmlTextReaderIsValid:
* @reader: the xmlTextReaderPtr used
@ -4807,23 +4854,6 @@ xmlTextReaderIsValid(xmlTextReaderPtr reader)
return (0);
}
/**
* xmlTextReaderGetErrorHandler:
* @reader: the xmlTextReaderPtr used
* @f: the callback function or NULL is no callback has been registered
* @arg: a user argument
*
* Retrieve the error callback function and user argument.
*/
void
xmlTextReaderGetErrorHandler(xmlTextReaderPtr reader,
xmlTextReaderErrorFunc * f, void **arg)
{
if (f != NULL)
*f = reader->errorFunc;
if (arg != NULL)
*arg = reader->errorFuncArg;
}
/************************************************************************
* *
* New set (2.6.0) of simpler and more flexible APIs *