1 files changed, 119 insertions, 0 deletions
diff --git a/src/lib/buildgraph/transformer.cpp b/src/lib/buildgraph/transformer.cpp
new file mode 100644
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+++ b/src/lib/buildgraph/transformer.cpp
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+/*************************************************************************
+**
+** This file is part of the Qt Build Suite
+**
+** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).*
+**
+** Contact: Nokia Corporation (info@qt.nokia.com)
+**
+** GNU Lesser General Public License Usage
+** 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.
+**
+** 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**************************************************************************/
+
+#include "transformer.h"
+#include "artifact.h"
+#include "command.h"
+
+namespace qbs {
+
+Transformer::Transformer()
+{
+}
+
+Transformer::~Transformer()
+{
+    qDeleteAll(commands);
+}
+
+QScriptValue Transformer::translateFileConfig(QScriptEngine *scriptEngine, Artifact *artifact, const QString &defaultModuleName)
+{
+    QScriptValue config = artifact->configuration->cachedScriptValue(scriptEngine);
+    if (!config.isValid()) {
+        config = scriptEngine->toScriptValue(artifact->configuration->value());
+        artifact->configuration->cacheScriptValue(scriptEngine, config);
+    }
+
+    QScriptValue artifactConfig = scriptEngine->newObject();
+    artifactConfig.setPrototype(config);
+    artifactConfig.setProperty(QLatin1String("fileName"), artifact->fileName);
+    QStringList fileTags = artifact->fileTags.toList();
+    artifactConfig.setProperty(QLatin1String("fileTags"), scriptEngine->toScriptValue(fileTags));
+    if (!defaultModuleName.isEmpty())
+        artifactConfig.setProperty(QLatin1String("module"), config.property("modules").property(defaultModuleName));
+    return artifactConfig;
+}
+
+QScriptValue Transformer::translateInOutputs(QScriptEngine *scriptEngine, const QSet<Artifact*> &artifacts, const QString &defaultModuleName)
+{
+    typedef QMap<QString, QList<Artifact*> > TagArtifactsMap;
+    TagArtifactsMap tagArtifactsMap;
+    foreach (Artifact *artifact, artifacts)
+        foreach (const QString &fileTag, artifact->fileTags)
+            tagArtifactsMap[fileTag].append(artifact);
+
+    QScriptValue jsTagFiles = scriptEngine->newObject();
+    for (TagArtifactsMap::const_iterator tag = tagArtifactsMap.constBegin(); tag != tagArtifactsMap.constEnd(); ++tag) {
+        const QList<Artifact*> &artifactList = tag.value();
+        QScriptValue jsFileConfig = scriptEngine->newArray(artifactList.count());
+        int i=0;
+        foreach (Artifact *artifact, artifactList) {
+            jsFileConfig.setProperty(i++, translateFileConfig(scriptEngine, artifact, defaultModuleName));
+        }
+        jsTagFiles.setProperty(tag.key(), jsFileConfig);
+    }
+
+    return jsTagFiles;
+}
+
+void Transformer::setupInputs(QScriptEngine *scriptEngine, QScriptValue targetScriptValue)
+{
+    const QString &defaultModuleName = rule->module->name;
+    QScriptValue scriptValue = translateInOutputs(scriptEngine, inputs, defaultModuleName);
+    targetScriptValue.setProperty("inputs", scriptValue, QScriptValue::ReadOnly);
+    if (inputs.count() == 1) {
+        Artifact *input = *inputs.begin();
+        const QSet<QString> &fileTags = input->fileTags;
+        QScriptValue inputsForFileTag = scriptValue.property(*fileTags.begin());
+        QScriptValue inputScriptValue = inputsForFileTag.property(0);
+        targetScriptValue.setProperty("input", inputScriptValue, QScriptValue::ReadOnly);
+    }
+}
+
+void Transformer::setupOutputs(QScriptEngine *scriptEngine, QScriptValue targetScriptValue)
+{
+    const QString &defaultModuleName = rule->module->name;
+    QScriptValue scriptValue = translateInOutputs(scriptEngine, outputs, defaultModuleName);
+    targetScriptValue.setProperty("outputs", scriptValue, QScriptValue::ReadOnly);
+    if (outputs.count() == 1) {
+        Artifact *output = *outputs.begin();
+        const QSet<QString> &fileTags = output->fileTags;
+        QScriptValue outputsForFileTag = scriptValue.property(*fileTags.begin());
+        QScriptValue outputScriptValue = outputsForFileTag.property(0);
+        targetScriptValue.setProperty("output", outputScriptValue, QScriptValue::ReadOnly);
+    }
+}
+
+} // namespace qbs