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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
/*
puredocparser.cpp
*/
#include <qfile.h>
#include <stdio.h>
#include <errno.h>
#include "codechunk.h"
#include "config.h"
#include "tokenizer.h"
#include <qdebug.h>
#include "qdocdatabase.h"
#include "puredocparser.h"
QT_BEGIN_NAMESPACE
/*!
Constructs the pure doc parser.
*/
PureDocParser::PureDocParser()
{
}
/*!
Destroys the pure doc parser.
*/
PureDocParser::~PureDocParser()
{
}
/*!
Returns a list of the kinds of files that the pure doc
parser is meant to parse. The elements of the list are
file suffixes.
*/
QStringList PureDocParser::sourceFileNameFilter()
{
return QStringList() << "*.qdoc" << "*.qtx" << "*.qtt" << "*.js";
}
/*!
Parses the source file identified by \a filePath and adds its
parsed contents to the database. The \a location is used for
reporting errors.
*/
void PureDocParser::parseSourceFile(const Location& location, const QString& filePath)
{
QFile in(filePath);
currentFile_ = filePath;
if (!in.open(QIODevice::ReadOnly)) {
location.error(tr("Can't open source file '%1' (%2)").arg(filePath).arg(strerror(errno)));
currentFile_.clear();
return;
}
reset();
Location fileLocation(filePath);
Tokenizer fileTokenizer(fileLocation, in);
tokenizer = &fileTokenizer;
readToken();
/*
The set of open namespaces is cleared before parsing
each source file. The word "source" here means cpp file.
*/
qdb_->clearOpenNamespaces();
processQdocComments();
in.close();
currentFile_.clear();
}
/*!
This is called by parseSourceFile() to do the actual parsing
and tree building. It only processes qdoc comments. It skips
everything else.
*/
bool PureDocParser::processQdocComments()
{
const QSet<QString>& topicCommandsAllowed = topicCommands();
const QSet<QString>& otherMetacommandsAllowed = otherMetaCommands();
const QSet<QString>& metacommandsAllowed = topicCommandsAllowed + otherMetacommandsAllowed;
while (tok != Tok_Eoi) {
if (tok == Tok_Doc) {
/*
lexeme() returns an entire qdoc comment.
*/
QString comment = lexeme();
Location start_loc(location());
readToken();
Doc::trimCStyleComment(start_loc,comment);
Location end_loc(location());
/*
Doc parses the comment.
*/
Doc doc(start_loc, end_loc, comment, metacommandsAllowed, topicCommandsAllowed);
QString topic;
bool isQmlPropertyTopic = false;
bool isJsPropertyTopic = false;
const TopicList& topics = doc.topicsUsed();
if (!topics.isEmpty()) {
topic = topics[0].topic;
if ((topic == COMMAND_QMLPROPERTY) ||
(topic == COMMAND_QMLPROPERTYGROUP) ||
(topic == COMMAND_QMLATTACHEDPROPERTY)) {
isQmlPropertyTopic = true;
}
else if ((topic == COMMAND_JSPROPERTY) ||
(topic == COMMAND_JSPROPERTYGROUP) ||
(topic == COMMAND_JSATTACHEDPROPERTY)) {
isJsPropertyTopic = true;
}
}
NodeList nodes;
DocList docs;
if (topic.isEmpty()) {
doc.location().warning(tr("This qdoc comment contains no topic command "
"(e.g., '\\%1', '\\%2').")
.arg(COMMAND_MODULE).arg(COMMAND_PAGE));
}
else if (isQmlPropertyTopic || isJsPropertyTopic) {
Doc nodeDoc = doc;
processQmlProperties(nodeDoc, nodes, docs, isJsPropertyTopic);
}
else {
ArgList args;
QSet<QString> topicCommandsUsed = topicCommandsAllowed & doc.metaCommandsUsed();
if (topicCommandsUsed.count() > 0) {
topic = *topicCommandsUsed.begin();
args = doc.metaCommandArgs(topic);
}
if (topicCommandsUsed.count() > 1) {
QString topics;
QSet<QString>::ConstIterator t = topicCommandsUsed.constBegin();
while (t != topicCommandsUsed.constEnd()) {
topics += " \\" + *t + QLatin1Char(',');
++t;
}
topics[topics.lastIndexOf(',')] = '.';
int i = topics.lastIndexOf(',');
topics[i] = ' ';
topics.insert(i+1,"and");
doc.location().warning(tr("Multiple topic commands found in comment: %1").arg(topics));
}
ArgList::ConstIterator a = args.cbegin();
while (a != args.cend()) {
Doc nodeDoc = doc;
Node* node = processTopicCommand(nodeDoc,topic,*a);
if (node != 0) {
nodes.append(node);
docs.append(nodeDoc);
}
++a;
}
}
Node* treeRoot = QDocDatabase::qdocDB()->primaryTreeRoot();
NodeList::Iterator n = nodes.begin();
QList<Doc>::Iterator d = docs.begin();
while (n != nodes.end()) {
processOtherMetaCommands(*d, *n);
(*n)->setDoc(*d);
checkModuleInclusion(*n);
if ((*n)->isAggregate() && ((Aggregate *)*n)->includes().isEmpty()) {
Aggregate *m = static_cast<Aggregate *>(*n);
while (m->parent() && m->parent() != treeRoot)
m = m->parent();
if (m == *n)
((Aggregate *)*n)->addInclude((*n)->name());
else
((Aggregate *)*n)->setIncludes(m->includes());
}
++d;
++n;
}
}
else {
readToken();
}
}
return true;
}
QT_END_NAMESPACE
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