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/* Fo
* fo-xslt-transformer.c: Wrapper for libxslt XSLT processor
*
* Copyright (C) 2003-2006 Sun Microsystems
* Copyright (C) 2007-2008 Menteith Consulting Ltd
*
* See COPYING for the status of this software.
*/
#include <libxslt/xslt.h>
#include <libxslt/xsltInternals.h>
#include <libxslt/transform.h>
#include <libxslt/xsltconfig.h>
#include "libfo/fo-utils.h"
#include "fo-xml-doc-private.h"
#include "fo-xslt-transformer.h"
/**
* SECTION:fo-xslt-transformer
* @short_description: libxslt XSLT processor
*
* Wrapper for libxslt XSLT processor.
*/
extern int xmlLoadExtDtdDefaultValue;
const char *fo_xslt_transformer_error_messages [] = {
N_("FoXsltTransformer error"),
N_("XSLT transform failed"),
N_("No input stylesheet specified"),
N_("No input XML document"),
N_("Parsing stylesheet as stylesheet failed"),
};
static LibfoVersionInfo version_info =
{
LIBFO_MODULE_XSLT_PROCESSOR,
"libxslt",
NULL,
LIBXSLT_VERSION,
LIBXSLT_VERSION_STRING,
0,
NULL
};
/**
* fo_xslt_transformer_error_quark:
*
* Get the error quark for #FoXsltTransformer.
*
* If the quark does not yet exist, create it.
*
* Return value: #GQuark associated with #FoXsltTransformer errors.
**/
GQuark
fo_xslt_transformer_error_quark (void)
{
static GQuark quark = 0;
if (quark == 0)
quark = g_quark_from_static_string ("FoXsltTransformer error");
return quark;
}
const LibfoVersionInfo *
fo_xslt_transformer_version_info (void)
{
version_info.runtime = xsltLibxsltVersion;
version_info.runtime_string = xsltEngineVersion;
return &version_info;
}
/**
* fo_xslt_transformer_do_transform:
* @xml_doc: Input document.
* @stylesheet_doc: Stylesheet document.
* @error: Indication of any error that occurred.
*
* Apply @stylesheet_doc to @xml_doc and return the result.
*
* Frees @stylesheet_doc.
*
* Return value: A new result tree that is freed by the caller.
**/
FoXmlDoc *
fo_xslt_transformer_do_transform (FoXmlDoc *xml_doc,
FoXmlDoc *stylesheet_doc,
GError **error)
{
FoXmlDoc *result_tree = NULL;
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
if (stylesheet_doc == NULL)
{
g_set_error (error,
FO_XSLT_TRANSFORMER_ERROR,
FO_XSLT_TRANSFORMER_ERROR_NO_STYLESHEET_DOC,
_(fo_xslt_transformer_error_messages[FO_XSLT_TRANSFORMER_ERROR_NO_STYLESHEET_DOC]));
return NULL;
}
if (xml_doc == NULL)
{
g_set_error (error,
FO_XSLT_TRANSFORMER_ERROR,
FO_XSLT_TRANSFORMER_ERROR_NO_XML_DOC,
_(fo_xslt_transformer_error_messages[FO_XSLT_TRANSFORMER_ERROR_NO_XML_DOC]));
return NULL;
}
xsltStylesheetPtr stylesheet =
xsltParseStylesheetDoc (fo_xml_doc_get_xml_doc (stylesheet_doc));
if (stylesheet == NULL)
{
g_set_error (error,
FO_XSLT_TRANSFORMER_ERROR,
FO_XSLT_TRANSFORMER_ERROR_PARSE_FAILED,
_(fo_xslt_transformer_error_messages[FO_XSLT_TRANSFORMER_ERROR_PARSE_FAILED]));
return NULL;
}
else
{
xmlDocPtr result_doc =
xsltApplyStylesheet(stylesheet,
fo_xml_doc_get_xml_doc (xml_doc),
NULL);
if (result_doc == NULL)
{
g_set_error (error,
FO_XSLT_TRANSFORMER_ERROR,
FO_XSLT_TRANSFORMER_ERROR_TRANSFORM_FAILED,
_(fo_xslt_transformer_error_messages[FO_XSLT_TRANSFORMER_ERROR_TRANSFORM_FAILED]));
return NULL;
}
xsltFreeStylesheet (stylesheet);
gchar *base = fo_xml_doc_get_base (xml_doc);
result_tree = fo_xml_doc_new ();
fo_xml_doc_set_xml_doc (result_tree,
result_doc);
fo_xml_doc_set_base (result_tree,
base);
g_free (base);
}
return result_tree;
}
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