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#include "error_multiplexer.h"
#include <xercesc/sax/SAXParseException.hpp>
#include <xalanc/PlatformSupport/DOMStringPrintWriter.hpp>
#include <algorithm>
#include "support/xalan_string.h"
#include "support/xerces_string_guard.h"
namespace {
using InputXSLT::XercesStringGuard;
using InputXSLT::ErrorMultiplexer;
std::string getMessage(const xercesc::SAXParseException& exception) {
return (
std::string(*XercesStringGuard<char>(exception.getMessage()))
+ ". (Occurred in entity '"
+ std::string(*XercesStringGuard<char>(exception.getSystemId()))
+ "', at line "
+ std::to_string(exception.getLineNumber())
+ ", column "
+ std::to_string(exception.getColumnNumber())
+ ".)"
);
}
ErrorMultiplexer::error_type toErrorType(
const xalan::ProblemListenerBase::eClassification classification) {
switch ( classification ) {
case xalan::ProblemListenerBase::eClassification::eMessage ||
xalan::ProblemListenerBase::eClassification::eWarning: {
return ErrorMultiplexer::error_type::warning;
}
default: {
return ErrorMultiplexer::error_type::error;
}
}
}
}
namespace InputXSLT {
ErrorMultiplexer::ErrorMultiplexer(xalan::XalanTransformer* transformer):
transformer_(transformer),
receivers_() {
this->transformer_->setErrorHandler(this);
this->transformer_->setProblemListener(this);
}
ErrorMultiplexer::~ErrorMultiplexer() {
this->transformer_->setErrorHandler(nullptr);
this->transformer_->setProblemListener(nullptr);
}
void ErrorMultiplexer::connectReceiver(receiver* receiver) {
this->receivers_.push_back(receiver);
}
void ErrorMultiplexer::disconnectReceiver(receiver* receiver) {
this->receivers_.erase(
std::remove(
this->receivers_.begin(),
this->receivers_.end(),
receiver
)
);
}
void ErrorMultiplexer::warning(const xercesc::SAXParseException& exception) {
this->multiplex(
error_type::warning,
"Warning: " + getMessage(exception)
);
}
void ErrorMultiplexer::error(const xercesc::SAXParseException& exception) {
this->multiplex(
error_type::error,
"Error: " + getMessage(exception)
);
}
void ErrorMultiplexer::fatalError(const xercesc::SAXParseException& exception) {
this->multiplex(
error_type::error,
"Fatal error: " + getMessage(exception)
);
}
void ErrorMultiplexer::resetErrors() { }
void ErrorMultiplexer::problem(
xalan::ProblemListenerBase::eSource source,
xalan::ProblemListenerBase::eClassification classification,
const xalan::XalanDOMString& message,
const xalan::Locator* locator,
const xalan::XalanNode* node
) {
xalan::XalanDOMString problemSummary;
xalan::DOMStringPrintWriter writer(problemSummary);
defaultFormat(
writer,
source,
classification,
message,
locator,
node
);
this->multiplex(
toErrorType(classification),
toString(problemSummary)
);
}
void ErrorMultiplexer::problem(
xalan::ProblemListenerBase::eSource source,
xalan::ProblemListenerBase::eClassification classification,
const xalan::XalanDOMString& message,
const xalan::XalanNode* node
) {
xalan::XalanDOMString problemSummary;
xalan::DOMStringPrintWriter writer(problemSummary);
defaultFormat(
writer,
source,
classification,
message,
node
);
this->multiplex(
toErrorType(classification),
toString(problemSummary)
);
}
void ErrorMultiplexer::problem(
xalan::ProblemListenerBase::eSource,
xalan::ProblemListenerBase::eClassification,
const xalan::XalanNode*,
const xalan::ElemTemplateElement*,
const xalan::XalanDOMString&,
const xalan::XalanDOMChar*,
xalan::XalanFileLoc,
xalan::XalanFileLoc
) { }
void ErrorMultiplexer::setPrintWriter(xalan::PrintWriter*) { }
void ErrorMultiplexer::multiplex(
const error_type type,
const std::string& message
) {
std::for_each(
this->receivers_.begin(),
this->receivers_.end(),
[&type, &message](receiver* const receiver) -> void {
receiver->receive(type, message);
}
);
}
ErrorMultiplexer::receiver::receiver(ErrorMultiplexer* multiplexer):
multiplexer_(multiplexer) {
this->multiplexer_->connectReceiver(this);
}
ErrorMultiplexer::receiver::~receiver() {
this->multiplexer_->disconnectReceiver(this);
}
}
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