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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* ====================================================================
* Configuration information for httpd.conf:
* ====================================================================
<Location /xslt>
AddHandler mod_xslt .html
AddHandler mod_xslt .txt
</Location>
* ====================================================================
*/
#include "httpd.h"
#include "http_config.h"
#include "http_protocol.h"
#include "http_log.h"
#include "util_script.h"
#include "http_main.h"
#include "http_request.h"
#include <xalanc/XalanTransformer/XalanCAPI.h>
static void xslt_init(server_rec *s, pool *p)
{
ap_add_version_component("mod_xslt/Xalan/1.0");
}
static void xslt_child_init(server_rec *s, pool *p)
{
XalanInitialize();
}
static void xslt_child_exit(server_rec *s, pool *p)
{
XalanTerminate(1);
}
typedef struct CONTROL_STRUCT_TAG
{
request_rec* r;
int fHeaderSent;
} CONTROL_STRUCT;
static CallbackSizeType xalan_output_handler(const char *data, CallbackSizeType length, void *handle)
{
CONTROL_STRUCT* c = (CONTROL_STRUCT*)handle;
if (c->fHeaderSent == 0)
{
c->fHeaderSent = 1;
ap_send_http_header(c->r);
}
return ap_rwrite(data, length, c->r);
}
static void xalan_flush_handler(void *handle)
{
CONTROL_STRUCT* c = (CONTROL_STRUCT*)handle;
ap_rflush(c->r);
}
static int xslt_handler(request_rec *r)
{
char * mimetype = NULL;
char * filename = NULL;
char * xmlfilename = NULL;
char * xslfilename = NULL;
XalanHandle xalan = NULL;
int i;
int dot_point;
int error = DECLINED;
CONTROL_STRUCT control_struct =
{
0,
0
};
control_struct.r = r;
mimetype = ap_pstrcat(r->pool, r->filename, NULL);
/* Find the extension without any assumptions on string.h */
dot_point = 0;
i = 0;
while (mimetype[i] != '\0') {
if (mimetype[i] == '.')
dot_point = i;
++i;
}
if (dot_point == 0) {
fprintf(stderr, "Unable to find extension of : %s\n", mimetype);
r->uri = mimetype;
return DECLINED;
}
filename = ap_pstrndup(r->pool, r->filename,dot_point);
xmlfilename = ap_pstrcat(r->pool,filename,".xml",NULL);
xslfilename = ap_pstrcat(r->pool,filename,".xsl",NULL);
xalan = CreateXalanTransformer();
error = XalanTransformToHandler(xmlfilename, xslfilename, xalan, &control_struct, xalan_output_handler, xalan_flush_handler);
if(error)
{
const char* const msg = XalanGetLastError(xalan);
fprintf(stderr,"mod_xslt: %s: %s\n", r->filename, msg);
r->uri = filename;
return DECLINED;
}
DeleteXalanTransformer(xalan);
return OK;
}
static const handler_rec xslt_handlers[] =
{
{"mod_xslt", xslt_handler},
{NULL, NULL}
};
module MODULE_VAR_EXPORT xslt_module =
{
STANDARD_MODULE_STUFF,
xslt_init, /* initializer */
NULL, /* create per-directory config structure */
NULL, /* merge per-directory config structures */
NULL, /* create per-server config structure */
NULL, /* merge per-server config structures */
NULL, /* command table */
xslt_handlers, /* handlers */
NULL, /* translate_handler */
NULL, /* check_user_id */
NULL, /* check auth */
NULL, /* check access */
NULL, /* type_checker */
NULL, /* pre-run fixups */
NULL, /* logger */
NULL, /* header parser */
xslt_child_init,/* child_init */
xslt_child_exit,/* child_exit */
NULL /* post read-request */
};
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