cppcheck/gui/xmlreportv2.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2019 Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <QObject>
#include <QString>
#include <QList>
#include <QDir>
#include <QXmlStreamWriter>
#include <QDebug>
#include "report.h"
#include "erroritem.h"
#include "xmlreport.h"
#include "xmlreportv2.h"
#include "cppcheck.h"
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static const QString ResultElementName = "results";
static const QString CppcheckElementName = "cppcheck";
static const QString ErrorElementName = "error";
static const QString ErrorsElementName = "errors";
static const QString LocationElementName = "location";
static const QString CWEAttribute = "cwe";
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static const QString CppcheckIdAttribute = "cppcheck-id";
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static const QString SinceDateAttribute = "sinceDate";
static const QString TagsAttribute = "tag";
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static const QString FilenameAttribute = "file";
static const QString IncludedFromFilenameAttribute = "file0";
static const QString InconclusiveAttribute = "inconclusive";
static const QString InfoAttribute = "info";
static const QString LineAttribute = "line";
static const QString ColumnAttribute = "column";
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static const QString IdAttribute = "id";
static const QString SeverityAttribute = "severity";
static const QString MsgAttribute = "msg";
static const QString VersionAttribute = "version";
static const QString VerboseAttribute = "verbose";
XmlReportV2::XmlReportV2(const QString &filename) :
XmlReport(filename),
mXmlReader(nullptr),
mXmlWriter(nullptr)
{
}
XmlReportV2::~XmlReportV2()
{
delete mXmlReader;
delete mXmlWriter;
}
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bool XmlReportV2::create()
{
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if (Report::create()) {
mXmlWriter = new QXmlStreamWriter(Report::getFile());
return true;
}
return false;
}
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bool XmlReportV2::open()
{
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if (Report::open()) {
mXmlReader = new QXmlStreamReader(Report::getFile());
return true;
}
return false;
}
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void XmlReportV2::writeHeader()
{
mXmlWriter->setAutoFormatting(true);
mXmlWriter->writeStartDocument();
mXmlWriter->writeStartElement(ResultElementName);
mXmlWriter->writeAttribute(VersionAttribute, QString::number(2));
mXmlWriter->writeStartElement(CppcheckElementName);
mXmlWriter->writeAttribute(VersionAttribute, QString(CppCheck::version()));
mXmlWriter->writeEndElement();
mXmlWriter->writeStartElement(ErrorsElementName);
}
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void XmlReportV2::writeFooter()
{
mXmlWriter->writeEndElement(); // errors
mXmlWriter->writeEndElement(); // results
mXmlWriter->writeEndDocument();
}
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void XmlReportV2::writeError(const ErrorItem &error)
{
/*
Error example from the core program in xml
<error id="mismatchAllocDealloc" severity="error" msg="Mismatching allocation and deallocation: k"
verbose="Mismatching allocation and deallocation: k">
<location file="..\..\test\test.cxx" line="16"/>
<location file="..\..\test\test.cxx" line="32"/>
</error>
*/
mXmlWriter->writeStartElement(ErrorElementName);
mXmlWriter->writeAttribute(IdAttribute, error.errorId);
// Don't localize severity so we can read these files
mXmlWriter->writeAttribute(SeverityAttribute, GuiSeverity::toString(error.severity));
const QString summary = XmlReport::quoteMessage(error.summary);
mXmlWriter->writeAttribute(MsgAttribute, summary);
const QString message = XmlReport::quoteMessage(error.message);
mXmlWriter->writeAttribute(VerboseAttribute, message);
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if (error.inconclusive)
mXmlWriter->writeAttribute(InconclusiveAttribute, "true");
if (error.cwe > 0)
mXmlWriter->writeAttribute(CWEAttribute, QString::number(error.cwe));
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if (error.cppcheckId > 0)
mXmlWriter->writeAttribute(CppcheckIdAttribute, QString::number(error.cppcheckId));
if (!error.sinceDate.isEmpty())
mXmlWriter->writeAttribute(SinceDateAttribute, error.sinceDate);
if (!error.tags.isEmpty())
mXmlWriter->writeAttribute(TagsAttribute, error.tags);
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for (int i = error.errorPath.count() - 1; i >= 0; i--) {
mXmlWriter->writeStartElement(LocationElementName);
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QString file = QDir::toNativeSeparators(error.errorPath[i].file);
if (!error.file0.isEmpty() && file != error.file0) {
mXmlWriter->writeAttribute(IncludedFromFilenameAttribute, quoteMessage(error.file0));
}
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mXmlWriter->writeAttribute(FilenameAttribute, XmlReport::quoteMessage(file));
mXmlWriter->writeAttribute(LineAttribute, QString::number(error.errorPath[i].line));
if (error.errorPath[i].column > 0)
mXmlWriter->writeAttribute(ColumnAttribute, QString::number(error.errorPath[i].column));
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if (error.errorPath.count() > 1)
mXmlWriter->writeAttribute(InfoAttribute, XmlReport::quoteMessage(error.errorPath[i].info));
mXmlWriter->writeEndElement();
}
mXmlWriter->writeEndElement();
}
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QList<ErrorItem> XmlReportV2::read()
{
QList<ErrorItem> errors;
bool insideResults = false;
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if (!mXmlReader) {
qDebug() << "You must Open() the file before reading it!";
return errors;
}
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while (!mXmlReader->atEnd()) {
switch (mXmlReader->readNext()) {
case QXmlStreamReader::StartElement:
if (mXmlReader->name() == ResultElementName)
insideResults = true;
// Read error element from inside result element
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if (insideResults && mXmlReader->name() == ErrorElementName) {
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ErrorItem item = readError(mXmlReader);
errors.append(item);
}
break;
case QXmlStreamReader::EndElement:
if (mXmlReader->name() == ResultElementName)
insideResults = false;
break;
// Not handled
case QXmlStreamReader::NoToken:
case QXmlStreamReader::Invalid:
case QXmlStreamReader::StartDocument:
case QXmlStreamReader::EndDocument:
case QXmlStreamReader::Characters:
case QXmlStreamReader::Comment:
case QXmlStreamReader::DTD:
case QXmlStreamReader::EntityReference:
case QXmlStreamReader::ProcessingInstruction:
break;
}
}
return errors;
}
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ErrorItem XmlReportV2::readError(QXmlStreamReader *reader)
{
/*
Error example from the core program in xml
<error id="mismatchAllocDealloc" severity="error" msg="Mismatching allocation and deallocation: k"
verbose="Mismatching allocation and deallocation: k">
<location file="..\..\test\test.cxx" line="16"/>
<location file="..\..\test\test.cxx" line="32"/>
</error>
*/
ErrorItem item;
// Read error element from inside errors element
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if (mXmlReader->name() == ErrorElementName) {
QXmlStreamAttributes attribs = reader->attributes();
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item.errorId = attribs.value(QString(), IdAttribute).toString();
item.severity = GuiSeverity::fromString(attribs.value(QString(), SeverityAttribute).toString());
const QString summary = attribs.value(QString(), MsgAttribute).toString();
item.summary = XmlReport::unquoteMessage(summary);
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const QString message = attribs.value(QString(), VerboseAttribute).toString();
item.message = XmlReport::unquoteMessage(message);
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if (attribs.hasAttribute(QString(), InconclusiveAttribute))
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item.inconclusive = true;
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if (attribs.hasAttribute(QString(), CWEAttribute))
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item.cwe = attribs.value(QString(), CWEAttribute).toInt();
if (attribs.hasAttribute(QString(), CppcheckIdAttribute))
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item.cppcheckId = attribs.value(QString(), CppcheckIdAttribute).toULongLong();
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if (attribs.hasAttribute(QString(), SinceDateAttribute))
item.sinceDate = attribs.value(QString(), SinceDateAttribute).toString();
if (attribs.hasAttribute(QString(), TagsAttribute))
item.tags = attribs.value(QString(), TagsAttribute).toString();
}
bool errorRead = false;
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while (!errorRead && !mXmlReader->atEnd()) {
switch (mXmlReader->readNext()) {
case QXmlStreamReader::StartElement:
// Read location element from inside error element
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if (mXmlReader->name() == LocationElementName) {
QXmlStreamAttributes attribs = mXmlReader->attributes();
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QString file0 = attribs.value(QString(), IncludedFromFilenameAttribute).toString();
if (!file0.isEmpty())
item.file0 = XmlReport::unquoteMessage(file0);
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QErrorPathItem loc;
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loc.file = XmlReport::unquoteMessage(attribs.value(QString(), FilenameAttribute).toString());
loc.line = attribs.value(QString(), LineAttribute).toString().toUInt();
if (attribs.hasAttribute(QString(), ColumnAttribute))
loc.column = attribs.value(QString(), ColumnAttribute).toString().toInt();
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if (attribs.hasAttribute(QString(), InfoAttribute))
loc.info = XmlReport::unquoteMessage(attribs.value(QString(), InfoAttribute).toString());
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item.errorPath.push_front(loc);
}
break;
case QXmlStreamReader::EndElement:
if (mXmlReader->name() == ErrorElementName)
errorRead = true;
break;
// Not handled
case QXmlStreamReader::NoToken:
case QXmlStreamReader::Invalid:
case QXmlStreamReader::StartDocument:
case QXmlStreamReader::EndDocument:
case QXmlStreamReader::Characters:
case QXmlStreamReader::Comment:
case QXmlStreamReader::DTD:
case QXmlStreamReader::EntityReference:
case QXmlStreamReader::ProcessingInstruction:
break;
}
}
if (item.errorPath.size() == 1 && item.errorPath[0].info.isEmpty())
item.errorPath[0].info = item.message;
return item;
}