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Diffstat (limited to 'tools/linguist/lupdate/qdeclarative.cpp')
| -rw-r--r-- | tools/linguist/lupdate/qdeclarative.cpp | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/tools/linguist/lupdate/qdeclarative.cpp b/tools/linguist/lupdate/qdeclarative.cpp new file mode 100644 index 0000000000..a734e99431 --- /dev/null +++ b/tools/linguist/lupdate/qdeclarative.cpp @@ -0,0 +1,240 @@ +/**************************************************************************** +** +** 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/qdeclarativejsengine_p.h" +#include "parser/qdeclarativejsparser_p.h" +#include "parser/qdeclarativejslexer_p.h" +#include "parser/qdeclarativejsnodepool_p.h" +#include "parser/qdeclarativejsastvisitor_p.h" +#include "parser/qdeclarativejsast_p.h" + +#include <QCoreApplication> +#include <QFile> +#include <QFileInfo> +#include <QtDebug> +#include <QStringList> + +#include <iostream> +#include <cstdlib> + +QT_BEGIN_NAMESPACE + +using namespace QDeclarativeJS; + +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 |