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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.
*/
/*
* $Id$
*/
// ---------------------------------------------------------------------------
// Includes
// ---------------------------------------------------------------------------
#include <xercesc/xinclude/XIncludeLocation.hpp>
#include <xercesc/dom/DOM.hpp>
#include <xercesc/util/XMLUniDefs.hpp>
XERCES_CPP_NAMESPACE_BEGIN
const XMLCh *allocate(const XMLCh *href){
const XMLCh *allocated;
size_t length = XMLString::stringLen(href);
allocated = (const XMLCh *)XMLPlatformUtils::fgMemoryManager->allocate((length+1) * sizeof(XMLCh));
XMLString::copyString((XMLCh *)allocated, href);
XMLPlatformUtils::removeDotDotSlash((XMLCh *const)allocated);
return allocated;
}
void deallocate(void *ptr){
if (ptr)
XMLPlatformUtils::fgMemoryManager->deallocate((void *)ptr);
}
// ---------------------------------------------------------------------------
// Destructor and Constructor
// ---------------------------------------------------------------------------
XIncludeLocation::XIncludeLocation(const XMLCh *href){
fHref = allocate(href);
}
XIncludeLocation::~XIncludeLocation(){
deallocate((void *)fHref);
}
const XMLCh *
XIncludeLocation::prependPath(const XMLCh *baseToAdd){
XMLCh *relativeHref = NULL;
if (fHref == NULL){
return NULL;
}
XMLSize_t fileLength = XMLString::stringLen(fHref);
if (baseToAdd == NULL){
return fHref;
}
XMLPlatformUtils::removeDotDotSlash((XMLCh *const)baseToAdd);
XMLSize_t baseLength = XMLString::stringLen(baseToAdd);
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int lastSlash = XMLString::lastIndexOf(baseToAdd, chForwardSlash);
if (lastSlash == -1){
/* not found, try another platform */
lastSlash = XMLString::lastIndexOf(baseToAdd, chBackSlash);
}
if (lastSlash == -1){
/* still no slash found */
lastSlash = 0;
}
relativeHref = (XMLCh *)XMLPlatformUtils::fgMemoryManager->allocate((fileLength + baseLength + 2) * sizeof(XMLCh));
if (relativeHref == NULL){
return NULL;
}
XMLString::copyNString(relativeHref, baseToAdd, lastSlash + 1);
relativeHref[lastSlash + 2] = chNull;
XMLString::catString(relativeHref, fHref);
/* free the old reference */
deallocate((void *)fHref);
fHref = relativeHref;
return fHref;
}
const XMLCh *
XIncludeLocation::findEndOfProtocol(const XMLCh *URI){
if ( URI[0] == chLatin_f &&
URI[1] == chLatin_i &&
URI[2] == chLatin_l &&
URI[3] == chLatin_e &&
URI[4] == chColon &&
URI[5] == chForwardSlash &&
URI[6] == chForwardSlash &&
URI[7] == chForwardSlash )
{
return URI + 8;
}
if ( URI[0] == chLatin_f &&
URI[1] == chLatin_t &&
URI[2] == chLatin_p &&
URI[3] == chColon &&
URI[4] == chForwardSlash &&
URI[5] == chForwardSlash &&
URI[6] == chForwardSlash )
{
return URI + 7;
}
if ( URI[0] == chLatin_h &&
URI[1] == chLatin_t &&
URI[2] == chLatin_t &&
URI[3] == chLatin_p &&
URI[4] == chColon &&
URI[5] == chForwardSlash &&
URI[6] == chForwardSlash &&
URI[7] == chForwardSlash )
{
return URI + 8;
}
/* if method fails, simply return the URI and let the problem be detected
* and reported down the line (it may not have a protocol of course) */
return URI;
}
XERCES_CPP_NAMESPACE_END