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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QHash>
#include <QMap>
#include "atom.h"
#include "helpprojectwriter.h"
#include "htmlgenerator.h"
#include "config.h"
#include "node.h"
#include "tree.h"
#include <qdebug.h>
QT_BEGIN_NAMESPACE
HelpProjectWriter::HelpProjectWriter(const Config &config, const QString &defaultFileName)
{
// The output directory should already have been checked by the calling
// generator.
outputDir = config.getString(CONFIG_OUTPUTDIR);
QStringList names = config.getStringList(CONFIG_QHP + Config::dot + "projects");
foreach (const QString &projectName, names) {
HelpProject project;
project.name = projectName;
QString prefix = CONFIG_QHP + Config::dot + projectName + Config::dot;
project.helpNamespace = config.getString(prefix + "namespace");
project.virtualFolder = config.getString(prefix + "virtualFolder");
project.fileName = config.getString(prefix + "file");
if (project.fileName.isEmpty())
project.fileName = defaultFileName;
project.extraFiles = config.getStringSet(prefix + "extraFiles");
project.indexTitle = config.getString(prefix + "indexTitle");
project.indexRoot = config.getString(prefix + "indexRoot");
project.filterAttributes = config.getStringList(prefix + "filterAttributes").toSet();
QSet<QString> customFilterNames = config.subVars(prefix + "customFilters");
foreach (const QString &filterName, customFilterNames) {
QString name = config.getString(prefix + "customFilters" + Config::dot + filterName + Config::dot + "name");
QSet<QString> filters = config.getStringList(prefix + "customFilters" + Config::dot + filterName + Config::dot + "filterAttributes").toSet();
project.customFilters[name] = filters;
}
//customFilters = config.defs.
foreach (QString name, config.getStringSet(prefix + "excluded"))
project.excluded.insert(name.replace("\\", "/"));
foreach (const QString &name, config.getStringList(prefix + "subprojects")) {
SubProject subproject;
QString subprefix = prefix + "subprojects" + Config::dot + name + Config::dot;
subproject.title = config.getString(subprefix + "title");
subproject.indexTitle = config.getString(subprefix + "indexTitle");
subproject.sortPages = config.getBool(subprefix + "sortPages");
subproject.type = config.getString(subprefix + "type");
readSelectors(subproject, config.getStringList(subprefix + "selectors"));
project.subprojects[name] = subproject;
}
if (project.subprojects.isEmpty()) {
SubProject subproject;
readSelectors(subproject, config.getStringList(prefix + "selectors"));
project.subprojects[""] = subproject;
}
projects.append(project);
}
}
void HelpProjectWriter::readSelectors(SubProject &subproject, const QStringList &selectors)
{
QHash<QString, Node::Type> typeHash;
typeHash["namespace"] = Node::Namespace;
typeHash["class"] = Node::Class;
typeHash["fake"] = Node::Fake;
typeHash["enum"] = Node::Enum;
typeHash["typedef"] = Node::Typedef;
typeHash["function"] = Node::Function;
typeHash["property"] = Node::Property;
typeHash["variable"] = Node::Variable;
typeHash["target"] = Node::Target;
#ifdef QDOC_QML
typeHash["qmlproperty"] = Node::QmlProperty;
typeHash["qmlsignal"] = Node::QmlSignal;
typeHash["qmlmethod"] = Node::QmlMethod;
#endif
QHash<QString, Node::SubType> subTypeHash;
subTypeHash["example"] = Node::Example;
subTypeHash["headerfile"] = Node::HeaderFile;
subTypeHash["file"] = Node::File;
subTypeHash["group"] = Node::Group;
subTypeHash["module"] = Node::Module;
subTypeHash["page"] = Node::Page;
subTypeHash["externalpage"] = Node::ExternalPage;
#ifdef QDOC_QML
subTypeHash["qmlclass"] = Node::QmlClass;
subTypeHash["qmlpropertygroup"] = Node::QmlPropertyGroup;
subTypeHash["qmlbasictype"] = Node::QmlBasicType;
#endif
QSet<Node::SubType> allSubTypes = QSet<Node::SubType>::fromList(subTypeHash.values());
foreach (const QString &selector, selectors) {
QStringList pieces = selector.split(":");
if (pieces.size() == 1) {
QString lower = selector.toLower();
if (typeHash.contains(lower))
subproject.selectors[typeHash[lower]] = allSubTypes;
} else if (pieces.size() >= 2) {
QString lower = pieces[0].toLower();
pieces = pieces[1].split(",");
if (typeHash.contains(lower)) {
QSet<Node::SubType> subTypes;
for (int i = 0; i < pieces.size(); ++i) {
QString lower = pieces[i].toLower();
if (subTypeHash.contains(lower))
subTypes.insert(subTypeHash[lower]);
}
subproject.selectors[typeHash[lower]] = subTypes;
}
}
}
}
void HelpProjectWriter::addExtraFile(const QString &file)
{
for (int i = 0; i < projects.size(); ++i)
projects[i].extraFiles.insert(file);
}
void HelpProjectWriter::addExtraFiles(const QSet<QString> &files)
{
for (int i = 0; i < projects.size(); ++i)
projects[i].extraFiles.unite(files);
}
/*
Returns a list of strings describing the keyword details for a given node.
The first string is the human-readable name to be shown in Assistant.
The second string is a unique identifier.
The third string is the location of the documentation for the keyword.
*/
QStringList HelpProjectWriter::keywordDetails(const Node *node) const
{
QStringList details;
if (node->type() == Node::QmlProperty) {
// "name"
details << node->name();
// "id"
details << node->parent()->parent()->name()+"::"+node->name();
}
else if (node->parent() && !node->parent()->name().isEmpty()) {
// "name"
if (node->type() == Node::Enum || node->type() == Node::Typedef)
details << node->parent()->name()+"::"+node->name();
else
details << node->name();
// "id"
details << node->parent()->name()+"::"+node->name();
}
else if (node->type() == Node::Fake) {
const FakeNode *fake = static_cast<const FakeNode *>(node);
if (fake->subType() == Node::QmlClass) {
details << (QmlClassNode::qmlOnly ? fake->name() : fake->fullTitle());
details << "QML." + fake->name();
}
else {
details << fake->fullTitle();
details << fake->fullTitle();
}
}
else {
details << node->name();
details << node->name();
}
details << HtmlGenerator::fullDocumentLocation(node);
return details;
}
bool HelpProjectWriter::generateSection(HelpProject &project,
QXmlStreamWriter & /* writer */,
const Node *node)
{
if (!node->url().isEmpty())
return false;
if (node->access() == Node::Private || node->status() == Node::Internal)
return false;
if (node->name().isEmpty())
return true;
QString docPath = node->doc().location().filePath();
if (!docPath.isEmpty() && project.excluded.contains(docPath))
return false;
QString objName;
if (node->type() == Node::Fake) {
const FakeNode *fake = static_cast<const FakeNode *>(node);
objName = fake->fullTitle();
}
else
objName = tree->fullDocumentName(node);
// Only add nodes to the set for each subproject if they match a selector.
// Those that match will be listed in the table of contents.
foreach (const QString &name, project.subprojects.keys()) {
SubProject subproject = project.subprojects[name];
// No selectors: accept all nodes.
if (subproject.selectors.isEmpty()) {
project.subprojects[name].nodes[objName] = node;
}
else if (subproject.selectors.contains(node->type())) {
// Accept only the node types in the selectors hash.
if (node->type() != Node::Fake)
project.subprojects[name].nodes[objName] = node;
else {
// Accept only fake nodes with subtypes contained in the selector's
// mask.
const FakeNode *fakeNode = static_cast<const FakeNode *>(node);
if (subproject.selectors[node->type()].contains(fakeNode->subType()) &&
fakeNode->subType() != Node::ExternalPage &&
!fakeNode->fullTitle().isEmpty()) {
project.subprojects[name].nodes[objName] = node;
}
}
}
}
switch (node->type()) {
case Node::Class:
project.keywords.append(keywordDetails(node));
project.files.insert(HtmlGenerator::fullDocumentLocation(node));
break;
case Node::Namespace:
project.keywords.append(keywordDetails(node));
project.files.insert(HtmlGenerator::fullDocumentLocation(node));
break;
case Node::Enum:
project.keywords.append(keywordDetails(node));
{
const EnumNode *enumNode = static_cast<const EnumNode*>(node);
foreach (const EnumItem &item, enumNode->items()) {
QStringList details;
if (enumNode->itemAccess(item.name()) == Node::Private)
continue;
if (!node->parent()->name().isEmpty()) {
details << node->parent()->name()+"::"+item.name(); // "name"
details << node->parent()->name()+"::"+item.name(); // "id"
} else {
details << item.name(); // "name"
details << item.name(); // "id"
}
details << HtmlGenerator::fullDocumentLocation(node);
project.keywords.append(details);
}
}
break;
case Node::Property:
case Node::QmlProperty:
case Node::QmlSignal:
case Node::QmlMethod:
project.keywords.append(keywordDetails(node));
break;
case Node::Function:
{
const FunctionNode *funcNode = static_cast<const FunctionNode *>(node);
// Only insert keywords for non-constructors. Constructors are covered
// by the classes themselves.
if (funcNode->metaness() != FunctionNode::Ctor)
project.keywords.append(keywordDetails(node));
// Insert member status flags into the entries for the parent
// node of the function, or the node it is related to.
// Since parent nodes should have already been inserted into
// the set of files, we only need to ensure that related nodes
// are inserted.
if (node->relates()) {
project.memberStatus[node->relates()].insert(node->status());
project.files.insert(HtmlGenerator::fullDocumentLocation(node->relates()));
} else if (node->parent())
project.memberStatus[node->parent()].insert(node->status());
}
break;
case Node::Typedef:
{
const TypedefNode *typedefNode = static_cast<const TypedefNode *>(node);
QStringList typedefDetails = keywordDetails(node);
const EnumNode *enumNode = typedefNode->associatedEnum();
// Use the location of any associated enum node in preference
// to that of the typedef.
if (enumNode)
typedefDetails[2] = HtmlGenerator::fullDocumentLocation(enumNode);
project.keywords.append(typedefDetails);
}
break;
case Node::Variable:
{
QString location = HtmlGenerator::fullDocumentLocation(node);
project.files.insert(location.left(location.lastIndexOf(QLatin1Char('#'))));
project.keywords.append(keywordDetails(node));
}
break;
// Fake nodes (such as manual pages) contain subtypes, titles and other
// attributes.
case Node::Fake: {
const FakeNode *fakeNode = static_cast<const FakeNode*>(node);
if (fakeNode->subType() != Node::ExternalPage &&
!fakeNode->fullTitle().isEmpty()) {
if (fakeNode->subType() != Node::File) {
if (fakeNode->doc().hasKeywords()) {
foreach (const Atom *keyword, fakeNode->doc().keywords()) {
if (!keyword->string().isEmpty()) {
QStringList details;
details << keyword->string()
<< keyword->string()
<< HtmlGenerator::fullDocumentLocation(node) + "#" + Doc::canonicalTitle(keyword->string());
project.keywords.append(details);
} else
fakeNode->doc().location().warning(
tr("Bad keyword in %1").arg(HtmlGenerator::fullDocumentLocation(node))
);
}
}
project.keywords.append(keywordDetails(node));
}
/*
if (fakeNode->doc().hasTableOfContents()) {
foreach (const Atom *item, fakeNode->doc().tableOfContents()) {
QString title = Text::sectionHeading(item).toString();
if (!title.isEmpty()) {
QStringList details;
details << title
<< title
<< HtmlGenerator::fullDocumentLocation(node) + "#" + Doc::canonicalTitle(title);
project.keywords.append(details);
} else
fakeNode->doc().location().warning(
tr("Bad contents item in %1").arg(HtmlGenerator::fullDocumentLocation(node))
);
}
}
*/
project.files.insert(HtmlGenerator::fullDocumentLocation(node));
}
break;
}
default:
;
}
// Add all images referenced in the page to the set of files to include.
const Atom *atom = node->doc().body().firstAtom();
while (atom) {
if (atom->type() == Atom::Image || atom->type() == Atom::InlineImage) {
// Images are all placed within a single directory regardless of
// whether the source images are in a nested directory structure.
QStringList pieces = atom->string().split("/");
project.files.insert("images/" + pieces.last());
}
atom = atom->next();
}
return true;
}
void HelpProjectWriter::generateSections(HelpProject &project,
QXmlStreamWriter &writer, const Node *node)
{
if (!generateSection(project, writer, node))
return;
if (node->isInnerNode()) {
const InnerNode *inner = static_cast<const InnerNode *>(node);
// Ensure that we don't visit nodes more than once.
QMap<QString, const Node*> childMap;
foreach (const Node *node, inner->childNodes()) {
if (node->access() == Node::Private)
continue;
if (node->type() == Node::Fake) {
/*
Don't visit QML property group nodes,
but visit their children, which are all
QML property nodes.
*/
if (node->subType() == Node::QmlPropertyGroup) {
const InnerNode* inner = static_cast<const InnerNode*>(node);
foreach (const Node* n, inner->childNodes()) {
if (n->access() == Node::Private)
continue;
childMap[tree->fullDocumentName(n)] = n;
}
}
else
childMap[static_cast<const FakeNode *>(node)->fullTitle()] = node;
}
else {
if (node->type() == Node::Function) {
const FunctionNode *funcNode = static_cast<const FunctionNode *>(node);
if (funcNode->isOverload())
continue;
}
childMap[tree->fullDocumentName(node)] = node;
}
}
foreach (const Node *child, childMap)
generateSections(project, writer, child);
}
}
void HelpProjectWriter::generate(const Tree *tre)
{
this->tree = tre;
for (int i = 0; i < projects.size(); ++i)
generateProject(projects[i]);
}
void HelpProjectWriter::writeNode(HelpProject &project, QXmlStreamWriter &writer,
const Node *node)
{
QString href = HtmlGenerator::fullDocumentLocation(node);
QString objName = node->name();
switch (node->type()) {
case Node::Class:
writer.writeStartElement("section");
writer.writeAttribute("ref", href);
if (node->parent() && !node->parent()->name().isEmpty())
writer.writeAttribute("title", tr("%1::%2 Class Reference").arg(node->parent()->name()).arg(objName));
else
writer.writeAttribute("title", tr("%1 Class Reference").arg(objName));
// Write subsections for all members, obsolete members and Qt 3
// members.
if (!project.memberStatus[node].isEmpty()) {
QString membersPath = href.left(href.size()-5) + "-members.html";
writer.writeStartElement("section");
writer.writeAttribute("ref", membersPath);
writer.writeAttribute("title", tr("List of all members"));
writer.writeEndElement(); // section
project.files.insert(membersPath);
}
if (project.memberStatus[node].contains(Node::Compat)) {
QString compatPath = href.left(href.size()-5) + "-qt3.html";
writer.writeStartElement("section");
writer.writeAttribute("ref", compatPath);
writer.writeAttribute("title", tr("Qt 3 support members"));
writer.writeEndElement(); // section
project.files.insert(compatPath);
}
if (project.memberStatus[node].contains(Node::Obsolete)) {
QString obsoletePath = href.left(href.size()-5) + "-obsolete.html";
writer.writeStartElement("section");
writer.writeAttribute("ref", obsoletePath);
writer.writeAttribute("title", tr("Obsolete members"));
writer.writeEndElement(); // section
project.files.insert(obsoletePath);
}
writer.writeEndElement(); // section
break;
case Node::Namespace:
writer.writeStartElement("section");
writer.writeAttribute("ref", href);
writer.writeAttribute("title", objName);
writer.writeEndElement(); // section
break;
case Node::Fake: {
// Fake nodes (such as manual pages) contain subtypes, titles and other
// attributes.
const FakeNode *fakeNode = static_cast<const FakeNode*>(node);
writer.writeStartElement("section");
writer.writeAttribute("ref", href);
writer.writeAttribute("title", fakeNode->fullTitle());
if ((fakeNode->subType() == Node::HeaderFile) || (fakeNode->subType() == Node::QmlClass)) {
// Write subsections for all members, obsolete members and Qt 3
// members.
if (!project.memberStatus[node].isEmpty() || (fakeNode->subType() == Node::QmlClass)) {
QString membersPath = href.left(href.size()-5) + "-members.html";
writer.writeStartElement("section");
writer.writeAttribute("ref", membersPath);
writer.writeAttribute("title", tr("List of all members"));
writer.writeEndElement(); // section
project.files.insert(membersPath);
}
if (project.memberStatus[node].contains(Node::Compat)) {
QString compatPath = href.left(href.size()-5) + "-qt3.html";
writer.writeStartElement("section");
writer.writeAttribute("ref", compatPath);
writer.writeAttribute("title", tr("Qt 3 support members"));
writer.writeEndElement(); // section
project.files.insert(compatPath);
}
if (project.memberStatus[node].contains(Node::Obsolete)) {
QString obsoletePath = href.left(href.size()-5) + "-obsolete.html";
writer.writeStartElement("section");
writer.writeAttribute("ref", obsoletePath);
writer.writeAttribute("title", tr("Obsolete members"));
writer.writeEndElement(); // section
project.files.insert(obsoletePath);
}
}
writer.writeEndElement(); // section
}
break;
default:
;
}
}
void HelpProjectWriter::generateProject(HelpProject &project)
{
const Node *rootNode;
if (!project.indexRoot.isEmpty())
rootNode = tree->findFakeNodeByTitle(project.indexRoot);
else
rootNode = tree->root();
if (!rootNode)
return;
project.files.clear();
project.keywords.clear();
QFile file(outputDir + QDir::separator() + project.fileName);
if (!file.open(QFile::WriteOnly | QFile::Text))
return;
QXmlStreamWriter writer(&file);
writer.setAutoFormatting(true);
writer.writeStartDocument();
writer.writeStartElement("QtHelpProject");
writer.writeAttribute("version", "1.0");
// Write metaData, virtualFolder and namespace elements.
writer.writeTextElement("namespace", project.helpNamespace);
writer.writeTextElement("virtualFolder", project.virtualFolder);
// Write customFilter elements.
QHash<QString, QSet<QString> >::ConstIterator it;
for (it = project.customFilters.begin(); it != project.customFilters.end(); ++it) {
writer.writeStartElement("customFilter");
writer.writeAttribute("name", it.key());
foreach (const QString &filter, it.value())
writer.writeTextElement("filterAttribute", filter);
writer.writeEndElement(); // customFilter
}
// Start the filterSection.
writer.writeStartElement("filterSection");
// Write filterAttribute elements.
foreach (const QString &filterName, project.filterAttributes)
writer.writeTextElement("filterAttribute", filterName);
writer.writeStartElement("toc");
writer.writeStartElement("section");
QString indexPath = HtmlGenerator::fullDocumentLocation(tree->findFakeNodeByTitle(project.indexTitle));
if (indexPath.isEmpty())
indexPath = "index.html";
writer.writeAttribute("ref", HtmlGenerator::cleanRef(indexPath));
writer.writeAttribute("title", project.indexTitle);
project.files.insert(HtmlGenerator::fullDocumentLocation(rootNode));
generateSections(project, writer, rootNode);
foreach (const QString &name, project.subprojects.keys()) {
SubProject subproject = project.subprojects[name];
if (subproject.type == QLatin1String("manual")) {
const FakeNode *indexPage = tree->findFakeNodeByTitle(subproject.indexTitle);
if (indexPage) {
Text indexBody = indexPage->doc().body();
const Atom *atom = indexBody.firstAtom();
QStack<int> sectionStack;
bool inItem = false;
while (atom) {
switch (atom->type()) {
case Atom::ListLeft:
sectionStack.push(0);
break;
case Atom::ListRight:
if (sectionStack.pop() > 0)
writer.writeEndElement(); // section
break;
case Atom::ListItemLeft:
inItem = true;
break;
case Atom::ListItemRight:
inItem = false;
break;
case Atom::Link:
if (inItem) {
if (sectionStack.top() > 0)
writer.writeEndElement(); // section
const FakeNode *page = tree->findFakeNodeByTitle(atom->string());
writer.writeStartElement("section");
QString indexPath = HtmlGenerator::fullDocumentLocation(page);
writer.writeAttribute("ref", HtmlGenerator::cleanRef(indexPath));
writer.writeAttribute("title", atom->string());
project.files.insert(indexPath);
sectionStack.top() += 1;
}
break;
default:
;
}
if (atom == indexBody.lastAtom())
break;
atom = atom->next();
}
} else
rootNode->doc().location().warning(
tr("Failed to find index: %1").arg(subproject.indexTitle)
);
} else {
if (!name.isEmpty()) {
writer.writeStartElement("section");
QString indexPath = HtmlGenerator::fullDocumentLocation(tree->findFakeNodeByTitle(subproject.indexTitle));
writer.writeAttribute("ref", HtmlGenerator::cleanRef(indexPath));
writer.writeAttribute("title", subproject.title);
project.files.insert(indexPath);
}
if (subproject.sortPages) {
QStringList titles = subproject.nodes.keys();
titles.sort();
foreach (const QString &title, titles) {
writeNode(project, writer, subproject.nodes[title]);
}
} else {
// Find a contents node and navigate from there, using the NextLink values.
QSet<QString> visited;
foreach (const Node *node, subproject.nodes) {
QString nextTitle = node->links().value(Node::NextLink).first;
if (!nextTitle.isEmpty() &&
node->links().value(Node::ContentsLink).first.isEmpty()) {
FakeNode *nextPage = const_cast<FakeNode *>(tree->findFakeNodeByTitle(nextTitle));
// Write the contents node.
writeNode(project, writer, node);
while (nextPage) {
writeNode(project, writer, nextPage);
nextTitle = nextPage->links().value(Node::NextLink).first;
if (nextTitle.isEmpty() || visited.contains(nextTitle))
break;
nextPage = const_cast<FakeNode *>(tree->findFakeNodeByTitle(nextTitle));
visited.insert(nextTitle);
}
break;
}
}
}
if (!name.isEmpty())
writer.writeEndElement(); // section
}
}
writer.writeEndElement(); // section
writer.writeEndElement(); // toc
writer.writeStartElement("keywords");
foreach (const QStringList &details, project.keywords) {
writer.writeStartElement("keyword");
writer.writeAttribute("name", details[0]);
writer.writeAttribute("id", details[1]);
writer.writeAttribute("ref", HtmlGenerator::cleanRef(details[2]));
writer.writeEndElement(); //keyword
}
writer.writeEndElement(); // keywords
writer.writeStartElement("files");
foreach (const QString &usedFile, project.files) {
if (!usedFile.isEmpty())
writer.writeTextElement("file", usedFile);
}
foreach (const QString &usedFile, project.extraFiles)
writer.writeTextElement("file", usedFile);
writer.writeEndElement(); // files
writer.writeEndElement(); // filterSection
writer.writeEndElement(); // QtHelpProject
writer.writeEndDocument();
file.close();
}
QT_END_NAMESPACE
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