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Jason Edward Stewart
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/*
* Copyright 2002,2004 The Apache Software Foundation.
*
* Licensed 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.
*/
#include <stdlib.h>
#include "PerlDOMCallbackHandler.hpp"
#include "../xerces-swig-perl.hpp"
Jason Edward Stewart
committed
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XERCES_CPP_NAMESPACE_USE
PerlDOMCallbackHandler::PerlDOMCallbackHandler()
{
callbackObj = NULL;
}
PerlDOMCallbackHandler::~PerlDOMCallbackHandler()
{}
PerlDOMCallbackHandler::PerlDOMCallbackHandler(SV *obj)
{
set_callback_obj(obj);
}
bool
PerlDOMCallbackHandler::handleError(const DOMError& error) {
if (!callbackObj) {
die("Received handleError and no ErrorHandler was set");
}
dSP;
ENTER;
SAVETMPS;
PUSHMARK(SP);
// first put the callback object on the stack
XPUSHs(callbackObj);
// then put the exception on the stack
char *class_name = "XML::Xerces::DOMError";
XPUSHs(sv_setref_pv(sv_newmortal(),
class_name,
(void *)&error));
PUTBACK;
int count = perl_call_method("handle_error", G_SCALAR);
SPAGAIN ;
SV* source_sv;
if (count != 1)
{
warn("ErroHandler did not return a value\n");
source_sv = &PL_sv_undef;
}
else
{
source_sv = POPs;
}
FREETMPS;
LEAVE;
return SvTRUE(source_sv);
}
DOMLSInput*
PerlDOMCallbackHandler::resolveResource(const XMLCh* const resourceType
, const XMLCh* const namespaceUri
, const XMLCh* const publicId
, const XMLCh* const systemId
, const XMLCh* const baseURI)
{
if (!callbackObj) {
croak("\nresolveResource: no ResourceResolver set\n");
return NULL;
}
dSP;
DOMLSInput *source;
char *isName = "XML::Xerces::DOMLSInput";
ENTER;
SAVETMPS;
PUSHMARK(SP);
// first put the callback object on the stack
XPUSHs(callbackObj);
// the first argument is the resourceType
SV *string1 = UTF8_TRANSCODER->XMLString2Local(resourceType);
XPUSHs(string1);
// the next argument is the namespaceUri
SV *string2 = UTF8_TRANSCODER->XMLString2Local(namespaceUri);
XPUSHs(string2);
// the next argument is the publicId
SV *string3 = UTF8_TRANSCODER->XMLString2Local(publicId);
XPUSHs(string3);
// the next argument is the systemId
SV *string4 = UTF8_TRANSCODER->XMLString2Local(systemId);
XPUSHs(string4);
// the next argument is the baseURI
SV *string5 = UTF8_TRANSCODER->XMLString2Local(baseURI);
XPUSHs(string5);
PUTBACK;
int count = perl_call_method("resolve_entity", G_SCALAR);
SPAGAIN ;
SV* source_sv;
if (count != 1)
{
warn("EntityResolver did not retury any object\n");
source_sv = &PL_sv_undef;
}
else
{
source_sv = POPs;
}
if (count == 1
&& SvOK(source_sv)
&& !sv_derived_from(source_sv, isName)) {
croak("ResourceResolver did not return an DOMLSInput\n") ;
}
// god bless John Lenz's new type system in SWIG 1.3.25!!!
swig_type_info *isType = SWIG_TypeQuery(isName);
if (SWIG_ConvertPtr(source_sv,(void **) &source, isType, 0) < 0) {
croak("ResourceResolver did not return an DOMLSInput. Expected %s", isName);
}
PUTBACK ;
FREETMPS;
LEAVE;
return source;
}