tools/qdoc3/pagegenerator.cpp
changeset 0 1918ee327afb
child 3 41300fa6a67c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/qdoc3/pagegenerator.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,238 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the tools applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+  pagegenerator.cpp
+*/
+
+#include <QtCore>
+#include <qfile.h>
+#include <qfileinfo.h>
+
+#include "pagegenerator.h"
+#include "tree.h"
+
+QT_BEGIN_NAMESPACE
+
+/*!
+  Nothing to do in the constructor.
+ */
+PageGenerator::PageGenerator()
+{
+    // nothing.
+}
+
+/*!
+  The destructor 
+ */
+PageGenerator::~PageGenerator()
+{
+    while (!outStreamStack.isEmpty())
+	endSubPage();
+}
+
+/*!
+  This function is recursive.
+ */
+void PageGenerator::generateTree(const Tree *tree, CodeMarker *marker)
+{
+    generateInnerNode(tree->root(), marker);
+}
+
+QString PageGenerator::fileBase(const Node *node)
+{
+    if (node->relates())
+	node = node->relates();
+    else if (!node->isInnerNode()) {
+	node = node->parent();
+#ifdef QDOC_QML
+        if (node->subType() == Node::QmlPropertyGroup) {
+            node = node->parent();
+        }
+#endif        
+    }
+
+    QString base = node->doc().baseName();
+    if (!base.isEmpty())
+        return base;
+
+    const Node *p = node;
+
+    forever {
+        base.prepend(p->name());
+#ifdef QDOC_QML
+        /*
+          To avoid file name conflicts in the html directory,
+          we prepend "qml-" to the file name of QML element doc
+          files.
+         */
+        if ((p->subType() == Node::QmlClass) ||
+            (p->subType() == Node::QmlPropertyGroup))
+            base.prepend("qml-");
+        else if ((p->type() == Node::QmlProperty) ||
+                 (p->type() == Node::QmlSignal) ||
+                 (p->type() == Node::QmlMethod))
+            base.prepend("qml-");
+#endif        
+        const Node *pp = p->parent();
+        if (!pp || pp->name().isEmpty() || pp->type() == Node::Fake)
+            break;
+        base.prepend(QLatin1Char('-'));
+        p = pp;
+    }
+    
+    if (node->type() == Node::Fake) {
+#ifdef QDOC2_COMPAT
+        if (base.endsWith(".html"))
+            base.truncate(base.length() - 5);
+#endif
+    }
+
+    // the code below is effectively equivalent to:
+    //   base.replace(QRegExp("[^A-Za-z0-9]+"), " ");
+    //   base = base.trimmed();
+    //   base.replace(" ", "-");
+    //   base = base.toLower();
+    // as this function accounted for ~8% of total running time
+    // we optimize a bit...
+
+    QString res;
+    // +5 prevents realloc in fileName() below
+    res.reserve(base.size() + 5);
+    bool begun = false;
+    for (int i = 0; i != base.size(); ++i) {
+        QChar c = base.at(i);
+        uint u = c.unicode();
+        if (u >= 'A' && u <= 'Z')
+            u -= 'A' - 'a';
+        if ((u >= 'a' &&  u <= 'z') || (u >= '0' && u <= '9')) {
+            res += QLatin1Char(u);
+            begun = true;
+        }
+        else if (begun) {
+            res += QLatin1Char('-');
+            begun = false;
+        }
+    }
+    while (res.endsWith(QLatin1Char('-')))
+        res.chop(1);
+    return res;
+}
+
+QString PageGenerator::fileName(const Node *node)
+{
+    if (!node->url().isEmpty())
+        return node->url();
+
+    QString name = fileBase(node);
+    name += QLatin1Char('.');
+    name += fileExtension(node);
+    return name;
+}
+
+QString PageGenerator::outFileName()
+{
+    return QFileInfo(static_cast<QFile *>(out().device())->fileName()).fileName();
+}
+
+void PageGenerator::beginSubPage(const Location& location,
+                                 const QString& fileName)
+{
+    QFile *outFile = new QFile(outputDir() + "/" + fileName);
+    if (!outFile->open(QFile::WriteOnly))
+	location.fatal(tr("Cannot open output file '%1'")
+			.arg(outFile->fileName()));
+    QTextStream *out = new QTextStream(outFile);
+    out->setCodec("ISO-8859-1");
+    outStreamStack.push(out);
+}
+
+void PageGenerator::endSubPage()
+{
+    outStreamStack.top()->flush();
+    delete outStreamStack.top()->device();
+    delete outStreamStack.pop();
+}
+
+QTextStream &PageGenerator::out()
+{
+    return *outStreamStack.top();
+}
+
+/*!
+  Recursive writing of html files from the root \a node.
+ */
+void PageGenerator::generateInnerNode(const InnerNode *node,
+                                      CodeMarker *marker)
+{
+    if (!node->url().isNull())
+        return;
+
+    if (node->type() == Node::Fake) {
+        const FakeNode *fakeNode = static_cast<const FakeNode *>(node);
+        if (fakeNode->subType() == Node::ExternalPage)
+            return;
+#ifdef QDOC_QML            
+        if (fakeNode->subType() == Node::QmlPropertyGroup)
+            return;
+#endif            
+    }
+
+    if (node->parent() != 0) {
+	beginSubPage(node->location(), fileName(node));
+	if (node->type() == Node::Namespace || node->type() == Node::Class) {
+	    generateClassLikeNode(node, marker);
+	}
+        else if (node->type() == Node::Fake) {
+	    generateFakeNode(static_cast<const FakeNode *>(node), marker);
+	}
+	endSubPage();
+    }
+
+    NodeList::ConstIterator c = node->childNodes().begin();
+    while (c != node->childNodes().end()) {
+	if ((*c)->isInnerNode() && (*c)->access() != Node::Private)
+	    generateInnerNode((const InnerNode *) *c, marker);
+	++c;
+    }
+}
+
+QT_END_NAMESPACE