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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 Qt Linguist 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "lupdate.h"
#include <translator.h>
#include <QtCore/QDebug>
#include <QtCore/QFile>
#include <QtCore/QString>
#include "parser/qmljsengine_p.h"
#include "parser/qmljsparser_p.h"
#include "parser/qmljslexer_p.h"
#include "parser/qmljsnodepool_p.h"
#include "parser/qmljsastvisitor_p.h"
#include "parser/qmljsast_p.h"
#include <QCoreApplication>
#include <QFile>
#include <QFileInfo>
#include <QtDebug>
#include <QStringList>
#include <iostream>
#include <cstdlib>
QT_BEGIN_NAMESPACE
using namespace QmlJS;
class FindTrCalls: protected AST::Visitor
{
public:
void operator()(Translator *translator, const QString &fileName, AST::Node *node)
{
m_translator = translator;
m_fileName = fileName;
m_component = QFileInfo(fileName).baseName(); //matches qsTr usage in QScriptEngine
accept(node);
}
protected:
using AST::Visitor::visit;
using AST::Visitor::endVisit;
void accept(AST::Node *node)
{ AST::Node::acceptChild(node, this); }
virtual void endVisit(AST::CallExpression *node)
{
if (AST::IdentifierExpression *idExpr = AST::cast<AST::IdentifierExpression *>(node->base)) {
if (idExpr->name->asString() == QLatin1String("qsTr") ||
idExpr->name->asString() == QLatin1String("QT_TR_NOOP")) {
if (node->arguments && AST::cast<AST::StringLiteral *>(node->arguments->expression)) {
AST::StringLiteral *literal = AST::cast<AST::StringLiteral *>(node->arguments->expression);
const QString source = literal->value->asString();
QString comment;
bool plural = false;
AST::ArgumentList *commentNode = node->arguments->next;
if (commentNode) {
literal = AST::cast<AST::StringLiteral *>(commentNode->expression);
comment = literal->value->asString();
AST::ArgumentList *nNode = commentNode->next;
if (nNode) {
AST::NumericLiteral *numLiteral = AST::cast<AST::NumericLiteral *>(nNode->expression);
if (numLiteral) {
plural = true;
}
}
}
TranslatorMessage msg(m_component, source,
comment, QString(), m_fileName,
node->firstSourceLocation().startLine, QStringList(),
TranslatorMessage::Unfinished, plural);
m_translator->extend(msg);
}
} else if (idExpr->name->asString() == QLatin1String("qsTranslate") ||
idExpr->name->asString() == QLatin1String("QT_TRANSLATE_NOOP")) {
if (node->arguments && AST::cast<AST::StringLiteral *>(node->arguments->expression)) {
AST::StringLiteral *literal = AST::cast<AST::StringLiteral *>(node->arguments->expression);
const QString context = literal->value->asString();
QString source;
QString comment;
bool plural = false;
AST::ArgumentList *sourceNode = node->arguments->next;
if (sourceNode) {
literal = AST::cast<AST::StringLiteral *>(sourceNode->expression);
source = literal->value->asString();
AST::ArgumentList *commentNode = sourceNode->next;
if (commentNode) {
literal = AST::cast<AST::StringLiteral *>(commentNode->expression);
comment = literal->value->asString();
AST::ArgumentList *nNode = commentNode->next;
if (nNode) {
AST::NumericLiteral *numLiteral = AST::cast<AST::NumericLiteral *>(nNode->expression);
if (numLiteral) {
plural = true;
}
}
}
}
TranslatorMessage msg(context, source,
comment, QString(), m_fileName,
node->firstSourceLocation().startLine, QStringList(),
TranslatorMessage::Unfinished, plural);
m_translator->extend(msg);
}
}
}
}
private:
Translator *m_translator;
QString m_fileName;
QString m_component;
};
QString createErrorString(const QString &filename, const QString &code, Parser &parser)
{
// print out error
QStringList lines = code.split(QLatin1Char('\n'));
lines.append(QLatin1String("\n")); // sentinel.
QString errorString;
foreach (const DiagnosticMessage &m, parser.diagnosticMessages()) {
if (m.isWarning())
continue;
QString error = filename + QLatin1Char(':') + QString::number(m.loc.startLine)
+ QLatin1Char(':') + QString::number(m.loc.startColumn) + QLatin1String(": error: ")
+ m.message + QLatin1Char('\n');
int line = 0;
if (m.loc.startLine > 0)
line = m.loc.startLine - 1;
const QString textLine = lines.at(line);
error += textLine + QLatin1Char('\n');
int column = m.loc.startColumn - 1;
if (column < 0)
column = 0;
column = qMin(column, textLine.length());
for (int i = 0; i < column; ++i) {
const QChar ch = textLine.at(i);
if (ch.isSpace())
error += ch.unicode();
else
error += QLatin1Char(' ');
}
error += QLatin1String("^\n");
errorString += error;
}
return errorString;
}
bool loadQml(Translator &translator, const QString &filename, ConversionData &cd)
{
cd.m_sourceFileName = filename;
QFile file(filename);
if (!file.open(QIODevice::ReadOnly)) {
cd.appendError(QString::fromLatin1("Cannot open %1: %2")
.arg(filename, file.errorString()));
return false;
}
const QString code = QTextStream(&file).readAll();
Engine driver;
Parser parser(&driver);
NodePool nodePool(filename, &driver);
driver.setNodePool(&nodePool);
Lexer lexer(&driver);
lexer.setCode(code, /*line = */ 1);
driver.setLexer(&lexer);
if (parser.parse()) {
FindTrCalls trCalls;
trCalls(&translator, filename, parser.ast());
} else {
QString error = createErrorString(filename, code, parser);
cd.appendError(error);
return false;
}
return true;
}
QT_END_NAMESPACE
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