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#include "qhelpprojectdata_p.h"
#include <QtCore/QCoreApplication>
#include <QtCore/QDir>
#include <QtCore/QFileInfo>
#include <QtCore/QStack>
#include <QtCore/QMap>
#include <QtCore/QRegExp>
#include <QtCore/QUrl>
#include <QtCore/QVariant>
#include <QtXml/QXmlStreamReader>
QT_BEGIN_NAMESPACE
class QHelpProjectDataPrivate : public QXmlStreamReader
{
public:
void readData(const QByteArray &contents);
QString virtualFolder;
QString namespaceName;
QString rootPath;
QStringList fileList;
QList<QHelpDataCustomFilter> customFilterList;
QList<QHelpDataFilterSection> filterSectionList;
QMap<QString, QVariant> metaData;
QString errorMsg;
private:
void readProject();
void readCustomFilter();
void readFilterSection();
void readTOC();
void readKeywords();
void readFiles();
void raiseUnknownTokenError();
void addMatchingFiles(const QString &pattern);
bool hasValidSyntax(const QString &nameSpace, const QString &vFolder) const;
QMap<QString, QStringList> dirEntriesCache;
};
void QHelpProjectDataPrivate::raiseUnknownTokenError()
{
raiseError(QCoreApplication::translate("QHelpProject", "Unknown token."));
}
void QHelpProjectDataPrivate::readData(const QByteArray &contents)
{
addData(contents);
while (!atEnd()) {
readNext();
if (isStartElement()) {
if (name() == QLatin1String("QtHelpProject")
&& attributes().value(QLatin1String("version")) == QLatin1String("1.0"))
readProject();
else
raiseError(QCoreApplication::translate("QHelpProject",
"Unknown token. Expected \"QtHelpProject\"!"));
}
}
if (hasError()) {
raiseError(QCoreApplication::translate("QHelpProject",
"Error in line %1: %2").arg(lineNumber())
.arg(errorString()));
}
}
void QHelpProjectDataPrivate::readProject()
{
while (!atEnd()) {
readNext();
if (isStartElement()) {
if (name() == QLatin1String("virtualFolder")) {
virtualFolder = readElementText();
if (!hasValidSyntax(QLatin1String("test"), virtualFolder))
raiseError(QCoreApplication::translate("QHelpProject",
"Virtual folder has invalid syntax."));
} else if (name() == QLatin1String("namespace")) {
namespaceName = readElementText();
if (!hasValidSyntax(namespaceName, QLatin1String("test")))
raiseError(QCoreApplication::translate("QHelpProject",
"Namespace has invalid syntax."));
} else if (name() == QLatin1String("customFilter")) {
readCustomFilter();
} else if (name() == QLatin1String("filterSection")) {
readFilterSection();
} else if (name() == QLatin1String("metaData")) {
QString n = attributes().value(QLatin1String("name")).toString();
if (!metaData.contains(n))
metaData[n]
= attributes().value(QLatin1String("value")).toString();
else
metaData.insert(n, attributes().
value(QLatin1String("value")).toString());
} else {
raiseUnknownTokenError();
}
} else if (isEndElement() && name() == QLatin1String("QtHelpProject")) {
if (namespaceName.isEmpty())
raiseError(QCoreApplication::translate("QHelpProject",
"Missing namespace in QtHelpProject."));
else if (virtualFolder.isEmpty())
raiseError(QCoreApplication::translate("QHelpProject",
"Missing virtual folder in QtHelpProject"));
break;
}
}
}
void QHelpProjectDataPrivate::readCustomFilter()
{
QHelpDataCustomFilter filter;
filter.name = attributes().value(QLatin1String("name")).toString();
while (!atEnd()) {
readNext();
if (isStartElement()) {
if (name() == QLatin1String("filterAttribute"))
filter.filterAttributes.append(readElementText());
else
raiseUnknownTokenError();
} else if (isEndElement() && name() == QLatin1String("customFilter")) {
break;
}
}
customFilterList.append(filter);
}
void QHelpProjectDataPrivate::readFilterSection()
{
filterSectionList.append(QHelpDataFilterSection());
while (!atEnd()) {
readNext();
if (isStartElement()) {
if (name() == QLatin1String("filterAttribute"))
filterSectionList.last().addFilterAttribute(readElementText());
else if (name() == QLatin1String("toc"))
readTOC();
else if (name() == QLatin1String("keywords"))
readKeywords();
else if (name() == QLatin1String("files"))
readFiles();
else
raiseUnknownTokenError();
} else if (isEndElement() && name() == QLatin1String("filterSection")) {
break;
}
}
}
void QHelpProjectDataPrivate::readTOC()
{
QStack<QHelpDataContentItem*> contentStack;
QHelpDataContentItem *itm = 0;
while (!atEnd()) {
readNext();
if (isStartElement()) {
if (name() == QLatin1String("section")) {
QString title = attributes().value(QLatin1String("title")).toString();
QString ref = attributes().value(QLatin1String("ref")).toString();
if (contentStack.isEmpty()) {
itm = new QHelpDataContentItem(0, title, ref);
filterSectionList.last().addContent(itm);
} else {
itm = new QHelpDataContentItem(contentStack.top(), title, ref);
}
contentStack.push(itm);
} else {
raiseUnknownTokenError();
}
} else if (isEndElement()) {
if (name() == QLatin1String("section")) {
contentStack.pop();
continue;
} else if (name() == QLatin1String("toc") && contentStack.isEmpty()) {
break;
} else {
raiseUnknownTokenError();
}
}
}
}
void QHelpProjectDataPrivate::readKeywords()
{
while (!atEnd()) {
readNext();
if (isStartElement()) {
if (name() == QLatin1String("keyword")) {
if (attributes().value(QLatin1String("ref")).toString().isEmpty()
|| (attributes().value(QLatin1String("name")).toString().isEmpty()
&& attributes().value(QLatin1String("id")).toString().isEmpty()))
raiseError(QCoreApplication::translate("QHelpProject",
"Missing attribute in keyword at line %1.")
.arg(lineNumber()));
filterSectionList.last()
.addIndex(QHelpDataIndexItem(attributes().
value(QLatin1String("name")).toString(),
attributes().value(QLatin1String("id")).toString(),
attributes().value(QLatin1String("ref")).toString()));
} else {
raiseUnknownTokenError();
}
} else if (isEndElement()) {
if (name() == QLatin1String("keyword"))
continue;
else if (name() == QLatin1String("keywords"))
break;
else
raiseUnknownTokenError();
}
}
}
void QHelpProjectDataPrivate::readFiles()
{
while (!atEnd()) {
readNext();
if (isStartElement()) {
if (name() == QLatin1String("file"))
addMatchingFiles(readElementText());
else
raiseUnknownTokenError();
} else if (isEndElement()) {
if (name() == QLatin1String("file"))
continue;
else if (name() == QLatin1String("files"))
break;
else
raiseUnknownTokenError();
}
}
}
// Expand file pattern and add matches into list. If the pattern does not match
// any files, insert the pattern itself so the QHelpGenerator will emit a
// meaningful warning later.
void QHelpProjectDataPrivate::addMatchingFiles(const QString &pattern)
{
// The pattern matching is expensive, so we skip it if no
// wildcard symbols occur in the string.
if (!pattern.contains('?') && !pattern.contains('*')
&& !pattern.contains('[') && !pattern.contains(']')) {
filterSectionList.last().addFile(pattern);
return;
}
QFileInfo fileInfo(rootPath + '/' + pattern);
const QDir &dir = fileInfo.dir();
const QString &path = dir.canonicalPath();
// QDir::entryList() is expensive, so we cache the results.
QMap<QString, QStringList>::ConstIterator it = dirEntriesCache.find(path);
const QStringList &entries = it != dirEntriesCache.constEnd() ?
it.value() : dir.entryList(QDir::Files);
if (it == dirEntriesCache.constEnd())
dirEntriesCache.insert(path, entries);
bool matchFound = false;
#ifdef Q_OS_WIN
Qt::CaseSensitivity cs = Qt::CaseInsensitive;
#else
Qt::CaseSensitivity cs = Qt::CaseSensitive;
#endif
QRegExp regExp(fileInfo.fileName(), cs, QRegExp::Wildcard);
foreach (const QString &file, entries) {
if (regExp.exactMatch(file)) {
matchFound = true;
filterSectionList.last().
addFile(QFileInfo(pattern).dir().path() + '/' + file);
}
}
if (!matchFound)
filterSectionList.last().addFile(pattern);
}
bool QHelpProjectDataPrivate::hasValidSyntax(const QString &nameSpace,
const QString &vFolder) const
{
const QLatin1Char slash('/');
if (nameSpace.contains(slash) || vFolder.contains(slash))
return false;
QUrl url;
const QLatin1String scheme("qthelp");
url.setScheme(scheme);
url.setHost(nameSpace);
url.setPath(vFolder);
const QString expectedUrl(scheme + QLatin1String("://") + nameSpace + slash + vFolder);
return url.isValid() && url.toString() == expectedUrl;
}
/*!
\internal
\class QHelpProjectData
\since 4.4
\brief The QHelpProjectData class stores all information found
in a Qt help project file.
The structure is filled with data by calling readData(). The
specified file has to have the Qt help project file format in
order to be read successfully. Possible reading errors can be
retrieved by calling errorMessage().
*/
/*!
Constructs a Qt help project data structure.
*/
QHelpProjectData::QHelpProjectData()
{
d = new QHelpProjectDataPrivate;
}
/*!
Destroys the help project data.
*/
QHelpProjectData::~QHelpProjectData()
{
delete d;
}
/*!
Reads the file \a fileName and stores the help data. The file has to
have the Qt help project file format. Returns true if the file
was successfully read, otherwise false.
\sa errorMessage()
*/
bool QHelpProjectData::readData(const QString &fileName)
{
d->rootPath = QFileInfo(fileName).absolutePath();
QFile file(fileName);
if (!file.open(QIODevice::ReadOnly)) {
d->errorMsg = QCoreApplication::translate("QHelpProject",
"The input file %1 could not be opened!").arg(fileName);
return false;
}
d->readData(file.readAll());
return !d->hasError();
}
/*!
Returns an error message if the reading of the Qt help project
file failed. Otherwise, an empty QString is returned.
\sa readData()
*/
QString QHelpProjectData::errorMessage() const
{
if (d->hasError())
return d->errorString();
return d->errorMsg;
}
/*!
\internal
*/
QString QHelpProjectData::namespaceName() const
{
return d->namespaceName;
}
/*!
\internal
*/
QString QHelpProjectData::virtualFolder() const
{
return d->virtualFolder;
}
/*!
\internal
*/
QList<QHelpDataCustomFilter> QHelpProjectData::customFilters() const
{
return d->customFilterList;
}
/*!
\internal
*/
QList<QHelpDataFilterSection> QHelpProjectData::filterSections() const
{
return d->filterSectionList;
}
/*!
\internal
*/
QMap<QString, QVariant> QHelpProjectData::metaData() const
{
return d->metaData;
}
/*!
\internal
*/
QString QHelpProjectData::rootPath() const
{
return d->rootPath;
}
QT_END_NAMESPACE