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+/****************************************************************************
+**
+** Copyright (C) 2010 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+ qmlcodemarker.cpp
+*/
+
+#include "private/qdeclarativejsast_p.h"
+#include "private/qdeclarativejsastfwd_p.h"
+#include "private/qdeclarativejsengine_p.h"
+#include "private/qdeclarativejslexer_p.h"
+#include "private/qdeclarativejsnodepool_p.h"
+#include "private/qdeclarativejsparser_p.h"
+
+#include "atom.h"
+#include "node.h"
+#include "qmlcodemarker.h"
+#include "qmlmarkupvisitor.h"
+#include "text.h"
+#include "tree.h"
+
+QT_BEGIN_NAMESPACE
+
+QmlCodeMarker::QmlCodeMarker()
+{
+}
+
+QmlCodeMarker::~QmlCodeMarker()
+{
+}
+
+/*!
+ Returns true if the \a code is recognized by the parser.
+ */
+bool QmlCodeMarker::recognizeCode(const QString &code)
+{
+ QDeclarativeJS::Engine engine;
+ QDeclarativeJS::Lexer lexer(&engine);
+ QDeclarativeJS::Parser parser(&engine);
+ QDeclarativeJS::NodePool m_nodePool("<QmlCodeMarker::recognizeCode>", &engine);
+
+ QString newCode = code;
+ extractPragmas(newCode);
+ lexer.setCode(newCode, 1);
+
+ return parser.parse();
+}
+
+/*!
+ Returns true if \a ext is any of a list of file extensions
+ for the QML language.
+ */
+bool QmlCodeMarker::recognizeExtension(const QString &ext)
+{
+ return ext == "qml";
+}
+
+/*!
+ Returns true if the \a language is recognized. Only "QML" is
+ recognized by this marker.
+ */
+bool QmlCodeMarker::recognizeLanguage(const QString &language)
+{
+ return language == "QML";
+}
+
+/*!
+ Returns the type of atom used to represent QML code in the documentation.
+*/
+Atom::Type QmlCodeMarker::atomType() const
+{
+ return Atom::Qml;
+}
+
+/*!
+ Returns the name of the \a node. Method names include are returned with a
+ trailing set of parentheses.
+ */
+QString QmlCodeMarker::plainName(const Node *node)
+{
+ QString name = node->name();
+ if (node->type() == Node::QmlMethod)
+ name += "()";
+ return name;
+}
+
+QString QmlCodeMarker::plainFullName(const Node *node, const Node *relative)
+{
+ if (node->name().isEmpty()) {
+ return "global";
+ }
+ else {
+ QString fullName;
+ while (node) {
+ fullName.prepend(plainName(node));
+ if (node->parent() == relative || node->parent()->name().isEmpty())
+ break;
+ fullName.prepend("::");
+ node = node->parent();
+ }
+ return fullName;
+ }
+}
+
+QString QmlCodeMarker::markedUpCode(const QString &code,
+ const Node *relative,
+ const Location &location)
+{
+ return addMarkUp(code, relative, location);
+}
+
+QString QmlCodeMarker::markedUpName(const Node *node)
+{
+ QString name = linkTag(node, taggedNode(node));
+ if (node->type() == Node::QmlMethod)
+ name += "()";
+ return name;
+}
+
+QString QmlCodeMarker::markedUpFullName(const Node *node, const Node *relative)
+{
+ if (node->name().isEmpty()) {
+ return "global";
+ }
+ else {
+ QString fullName;
+ for (;;) {
+ fullName.prepend(markedUpName(node));
+ if (node->parent() == relative || node->parent()->name().isEmpty())
+ break;
+ fullName.prepend("<@op>::</@op>");
+ node = node->parent();
+ }
+ return fullName;
+ }
+}
+
+QString QmlCodeMarker::markedUpIncludes(const QStringList& includes)
+{
+ QString code;
+
+ QStringList::ConstIterator inc = includes.begin();
+ while (inc != includes.end()) {
+ code += "import " + *inc + "\n";
+ ++inc;
+ }
+ Location location;
+ return addMarkUp(code, 0, location);
+}
+
+QString QmlCodeMarker::functionBeginRegExp(const QString& funcName)
+{
+ return "^" + QRegExp::escape("function " + funcName) + "$";
+
+}
+
+QString QmlCodeMarker::functionEndRegExp(const QString& /* funcName */)
+{
+ return "^\\}$";
+}
+
+QString QmlCodeMarker::addMarkUp(const QString &code,
+ const Node * /* relative */,
+ const Location &location)
+{
+ QDeclarativeJS::Engine engine;
+ QDeclarativeJS::Lexer lexer(&engine);
+
+ QString newCode = code;
+ QList<QDeclarativeJS::AST::SourceLocation> pragmas = extractPragmas(newCode);
+ lexer.setCode(newCode, 1);
+
+ QDeclarativeJS::Parser parser(&engine);
+ QDeclarativeJS::NodePool m_nodePool("<QmlCodeMarker::addMarkUp>", &engine);
+ QString output;
+
+ if (parser.parse()) {
+ QDeclarativeJS::AST::UiProgram *ast = parser.ast();
+ // Pass the unmodified code to the visitor so that pragmas and other
+ // unhandled source text can be output.
+ QmlMarkupVisitor visitor(code, pragmas, &engine);
+ QDeclarativeJS::AST::Node::accept(ast, &visitor);
+ output = visitor.markedUpCode();
+ } else {
+ location.warning(tr("Unable to parse QML: \"%1\" at line %2, column %3").arg(
+ parser.errorMessage()).arg(parser.errorLineNumber()).arg(
+ parser.errorColumnNumber()));
+ output = protect(code);
+ }
+
+ return output;
+}
+
+/*
+Copied and pasted from src/declarative/qml/qdeclarativescriptparser.cpp.
+*/
+static void replaceWithSpace(QString &str, int idx, int n)
+{
+ QChar *data = str.data() + idx;
+ const QChar space(QLatin1Char(' '));
+ for (int ii = 0; ii < n; ++ii)
+ *data++ = space;
+}
+
+/*
+Copied and pasted from src/declarative/qml/qdeclarativescriptparser.cpp then
+modified to return a list of removed pragmas.
+
+Searches for ".pragma <value>" declarations within \a script. Currently supported pragmas
+are:
+ library
+*/
+QList<QDeclarativeJS::AST::SourceLocation> QmlCodeMarker::extractPragmas(QString &script)
+{
+ const QString pragma(QLatin1String("pragma"));
+ const QString library(QLatin1String("library"));
+ QList<QDeclarativeJS::AST::SourceLocation> removed;
+
+ QDeclarativeJS::Lexer l(0);
+ l.setCode(script, 0);
+
+ int token = l.lex();
+
+ while (true) {
+ if (token != QDeclarativeJSGrammar::T_DOT)
+ return removed;
+
+ int startOffset = l.tokenOffset();
+ int startLine = l.currentLineNo();
+ int startColumn = l.currentColumnNo();
+
+ token = l.lex();
+
+ if (token != QDeclarativeJSGrammar::T_IDENTIFIER ||
+ l.currentLineNo() != startLine ||
+ script.mid(l.tokenOffset(), l.tokenLength()) != pragma)
+ return removed;
+
+ token = l.lex();
+
+ if (token != QDeclarativeJSGrammar::T_IDENTIFIER ||
+ l.currentLineNo() != startLine)
+ return removed;
+
+ QString pragmaValue = script.mid(l.tokenOffset(), l.tokenLength());
+ int endOffset = l.tokenLength() + l.tokenOffset();
+
+ token = l.lex();
+ if (l.currentLineNo() == startLine)
+ return removed;
+
+ if (pragmaValue == QLatin1String("library")) {
+ replaceWithSpace(script, startOffset, endOffset - startOffset);
+ removed.append(
+ QDeclarativeJS::AST::SourceLocation(
+ startOffset, endOffset - startOffset,
+ startLine, startColumn));
+ } else
+ return removed;
+ }
+ return removed;
+}
+
+QT_END_NAMESPACE