From 00d012f3f2d8971d277a6177d6d707cf31e155f4 Mon Sep 17 00:00:00 2001 From: Michael Brasser Date: Mon, 18 May 2009 13:15:56 +1000 Subject: Start work on translation support in Qml. Added basic support for qsTr in Qml, both in the engine and in lupdate. --- src/declarative/qml/qmlengine.cpp | 19 +++- src/declarative/qml/qmlengine_p.h | 2 + src/declarative/qml/qmlexpression.h | 2 + src/declarative/qml/qmlvme.cpp | 2 + tools/linguist/lupdate/lupdate.h | 1 + tools/linguist/lupdate/lupdate.pro | 4 + tools/linguist/lupdate/main.cpp | 2 + tools/linguist/lupdate/qml.cpp | 205 ++++++++++++++++++++++++++++++++++++ 8 files changed, 233 insertions(+), 4 deletions(-) create mode 100644 tools/linguist/lupdate/qml.cpp diff --git a/src/declarative/qml/qmlengine.cpp b/src/declarative/qml/qmlengine.cpp index b2d3a9c..0209c1d 100644 --- a/src/declarative/qml/qmlengine.cpp +++ b/src/declarative/qml/qmlengine.cpp @@ -193,6 +193,7 @@ void QmlEnginePrivate::clear(SimpleList &pss) void QmlEnginePrivate::init() { + scriptEngine.installTranslatorFunctions(); contextClass = new QmlContextScriptClass(q); objectClass = new QmlObjectScriptClass(q); rootContext = new QmlContext(q); @@ -781,17 +782,17 @@ QmlEngine *QmlEngine::activeEngine() QmlExpressionPrivate::QmlExpressionPrivate(QmlExpression *b) -: q(b), ctxt(0), sseData(0), proxy(0), me(0), trackChange(false), id(0), log(0) +: q(b), ctxt(0), sseData(0), proxy(0), me(0), trackChange(false), line(-1), id(0), log(0) { } QmlExpressionPrivate::QmlExpressionPrivate(QmlExpression *b, void *expr, QmlRefCount *rc) -: q(b), ctxt(0), sse((const char *)expr, rc), sseData(0), proxy(0), me(0), trackChange(true), id(0), log(0) +: q(b), ctxt(0), sse((const char *)expr, rc), sseData(0), proxy(0), me(0), trackChange(true), line(-1), id(0), log(0) { } QmlExpressionPrivate::QmlExpressionPrivate(QmlExpression *b, const QString &expr, bool ssecompile) -: q(b), ctxt(0), expression(expr), sseData(0), proxy(0), me(0), trackChange(true), id(0), log(0) +: q(b), ctxt(0), expression(expr), sseData(0), proxy(0), me(0), trackChange(true), line(-1), id(0), log(0) { if (ssecompile) { #ifdef Q_ENABLE_PERFORMANCE_LOG @@ -996,7 +997,7 @@ QVariant QmlExpression::value() for (int i = context()->d_func()->scopeChain.size() - 1; i > -1; --i) { scriptEngine->currentContext()->pushScope(context()->d_func()->scopeChain.at(i)); } - QScriptValue svalue = scriptEngine->evaluate(expression()); + QScriptValue svalue = scriptEngine->evaluate(expression(), d->fileName, d->line); if (scriptEngine->hasUncaughtException()) { if (scriptEngine->uncaughtException().isError()){ QScriptValue exception = scriptEngine->uncaughtException(); @@ -1151,6 +1152,16 @@ void QmlExpression::setTrackChange(bool trackChange) } /*! + Set the location of this expression to \a line of \a fileName. This information + is used by the script engine. +*/ +void QmlExpression::setSourceLocation(const QString &fileName, int line) +{ + d->fileName = fileName; + d->line = line; +} + +/*! Returns the expression's scope object, if provided, otherwise 0. In addition to data provided by the expression's QmlContext, the scope diff --git a/src/declarative/qml/qmlengine_p.h b/src/declarative/qml/qmlengine_p.h index 7578fdf..7cafb59 100644 --- a/src/declarative/qml/qmlengine_p.h +++ b/src/declarative/qml/qmlengine_p.h @@ -277,6 +277,8 @@ public: BindExpressionProxy *proxy; QObject *me; bool trackChange; + QString fileName; + int line; quint32 id; diff --git a/src/declarative/qml/qmlexpression.h b/src/declarative/qml/qmlexpression.h index 2c6b1ad..ea3b093 100644 --- a/src/declarative/qml/qmlexpression.h +++ b/src/declarative/qml/qmlexpression.h @@ -78,6 +78,8 @@ public: bool trackChange() const; void setTrackChange(bool); + void setSourceLocation(const QString &fileName, int line); + QObject *scopeObject() const; quint32 id() const; diff --git a/src/declarative/qml/qmlvme.cpp b/src/declarative/qml/qmlvme.cpp index 53ed05a..f4ce891 100644 --- a/src/declarative/qml/qmlvme.cpp +++ b/src/declarative/qml/qmlvme.cpp @@ -526,6 +526,7 @@ QObject *QmlVME::run(QmlContext *ctxt, QmlCompiledComponent *comp, int start, in QFx_setParent_noEvent(bind, target); bind->setTarget(mp); + bind->setSourceLocation(comp->url.toString(), instr.line); } break; @@ -551,6 +552,7 @@ QObject *QmlVME::run(QmlContext *ctxt, QmlCompiledComponent *comp, int start, in QFx_setParent_noEvent(bind, target); bind->setTarget(mp); + bind->setSourceLocation(comp->url.toString(), instr.line); } break; diff --git a/tools/linguist/lupdate/lupdate.h b/tools/linguist/lupdate/lupdate.h index 2f98643..6db544f 100644 --- a/tools/linguist/lupdate/lupdate.h +++ b/tools/linguist/lupdate/lupdate.h @@ -79,6 +79,7 @@ void loadCPP(Translator &translator, const QStringList &filenames, ConversionDat bool loadJava(Translator &translator, const QString &filename, ConversionData &cd); bool loadQScript(Translator &translator, const QString &filename, ConversionData &cd); bool loadUI(Translator &translator, const QString &filename, ConversionData &cd); +bool loadQml(Translator &translator, const QString &filename, ConversionData &cd); QT_END_NAMESPACE diff --git a/tools/linguist/lupdate/lupdate.pro b/tools/linguist/lupdate/lupdate.pro index ccc2d47..283d69f 100644 --- a/tools/linguist/lupdate/lupdate.pro +++ b/tools/linguist/lupdate/lupdate.pro @@ -15,6 +15,9 @@ build_all:!build_pass { include(../shared/formats.pri) include(../shared/proparser.pri) +include($$QT_SOURCE_TREE/src/declarative/qml/parser/parser.pri) +INCLUDEPATH += $$QT_SOURCE_TREE/src/declarative/qml + SOURCES += \ main.cpp \ merge.cpp \ @@ -23,6 +26,7 @@ SOURCES += \ cpp.cpp \ java.cpp \ qscript.cpp \ + qml.cpp \ ui.cpp HEADERS += \ diff --git a/tools/linguist/lupdate/main.cpp b/tools/linguist/lupdate/main.cpp index 8a70b55..8597672 100644 --- a/tools/linguist/lupdate/main.cpp +++ b/tools/linguist/lupdate/main.cpp @@ -518,6 +518,8 @@ int main(int argc, char **argv) else if (it->endsWith(QLatin1String(".js"), Qt::CaseInsensitive) || it->endsWith(QLatin1String(".qs"), Qt::CaseInsensitive)) loadQScript(fetchedTor, *it, cd); + else if (it->endsWith(QLatin1String(".qml"), Qt::CaseInsensitive)) + loadQml(fetchedTor, *it, cd); else sourceFilesCpp << *it; } diff --git a/tools/linguist/lupdate/qml.cpp b/tools/linguist/lupdate/qml.cpp new file mode 100644 index 0000000..8c3f1c5 --- /dev/null +++ b/tools/linguist/lupdate/qml.cpp @@ -0,0 +1,205 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "lupdate.h" + +#include + +#include +#include +#include + +QT_BEGIN_NAMESPACE + +#include "parser/javascriptengine_p.h" +#include "parser/javascriptparser_p.h" +#include "parser/javascriptlexer_p.h" +#include "parser/javascriptnodepool_p.h" +#include "parser/javascriptastvisitor_p.h" +#include "parser/javascriptast_p.h" + +#include +#include +#include +#include +#include + +#include +#include + +using namespace JavaScript; + +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(node->base)) { + if (idExpr->name->asString() == QLatin1String("qsTr")) { + if (node->arguments && AST::cast(node->arguments->expression)) { + AST::StringLiteral *literal = AST::cast(node->arguments->expression); + const QString source = literal->value->asString(); + + QString comment; + AST::ArgumentList *commentNode = node->arguments->next; + if (commentNode) { + literal = AST::cast(commentNode->expression); + comment = literal->value->asString(); + } + + bool plural = false; + AST::ArgumentList *nNode = commentNode->next; + if (nNode) { + AST::NumericLiteral *literal3 = AST::cast(nNode->expression); + if (literal3) { + plural = true; + } + } + + TranslatorMessage msg(m_component, source, + comment, QString(), m_fileName, + node->firstSourceLocation().startLine, QStringList(), + TranslatorMessage::Unfinished, plural); + m_translator->extend(msg); + } + } + //### support qsTranslate, QT_TR_NOOP, and QT_TRANSLATE_NOOP + } + } + +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 -- cgit v0.12