To-do plugin added.

Change-Id: Ideaf91b2f9ce3d9252ca40b7224a2ab4238341f1
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Eike Ziller <eike.ziller@nokia.com>

1 files changed, 113 insertions, 0 deletions

diff --git a/src/plugins/todo/cpptodoitemsscanner.cpp b/src/plugins/todo/cpptodoitemsscanner.cpp
new file mode 100644
index 0000000000..04aefdbe19
--- /dev/null
+++ b/src/plugins/todo/cpptodoitemsscanner.cpp
@@ -0,0 +1,113 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2012 Dmitry Savchenko.
+** Copyright (c) 2010 Vasiliy Sorokin.
+**
+** Contact: Nokia Corporation (qt-info@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.
+**
+** 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**************************************************************************/
+
+#include "cpptodoitemsscanner.h"
+
+#include <projectexplorer/project.h>
+#include <TranslationUnit.h>
+
+namespace Todo {
+namespace Internal {
+
+CppTodoItemsScanner::CppTodoItemsScanner(const KeywordList &keywordList, QObject *parent) :
+    TodoItemsScanner(keywordList, parent)
+{
+    CPlusPlus::CppModelManagerInterface *modelManager = CPlusPlus::CppModelManagerInterface::instance();
+
+    connect(modelManager, SIGNAL(documentUpdated(CPlusPlus::Document::Ptr)), this,
+        SLOT(documentUpdated(CPlusPlus::Document::Ptr)), Qt::DirectConnection);
+}
+
+bool CppTodoItemsScanner::shouldProcessFile(const QString &fileName)
+{
+    CPlusPlus::CppModelManagerInterface *modelManager = CPlusPlus::CppModelManagerInterface::instance();
+
+    foreach (const CPlusPlus::CppModelManagerInterface::ProjectInfo &info, modelManager->projectInfos())
+        if (info.project().data()->files(ProjectExplorer::Project::ExcludeGeneratedFiles).contains(fileName))
+            return true;
+
+    return false;
+}
+
+void CppTodoItemsScanner::keywordListChanged()
+{
+    // We need to rescan everything known to the code model
+    // TODO: It would be nice to only tokenize the source files, not update the code model entirely.
+
+    CPlusPlus::CppModelManagerInterface *modelManager = CPlusPlus::CppModelManagerInterface::instance();
+
+    QStringList filesToBeUpdated;
+    foreach (const CPlusPlus::CppModelManagerInterface::ProjectInfo &info, modelManager->projectInfos())
+        filesToBeUpdated << info.project().data()->files(ProjectExplorer::Project::ExcludeGeneratedFiles);
+
+    modelManager->updateSourceFiles(filesToBeUpdated);
+}
+
+void CppTodoItemsScanner::documentUpdated(CPlusPlus::Document::Ptr doc)
+{
+    if (shouldProcessFile(doc->fileName()))
+        processDocument(doc);
+}
+
+void CppTodoItemsScanner::processDocument(CPlusPlus::Document::Ptr doc)
+{
+    QList<TodoItem> itemList;
+
+    CPlusPlus::TranslationUnit *translationUnit = doc->translationUnit();
+
+    for (unsigned i = 0; i < translationUnit->commentCount(); ++i) {
+
+        // Get comment source
+        CPlusPlus::Token token = doc->translationUnit()->commentAt(i);
+        QByteArray source = doc->utf8Source().mid(token.begin(), token.length()).trimmed();
+
+        if ((token.kind() == CPlusPlus::T_COMMENT) || (token.kind() == CPlusPlus::T_DOXY_COMMENT)) {
+            // Remove trailing "*/"
+            source = source.left(source.length() - 2);
+        }
+
+        // Process every line of the comment
+        // TODO: Do not create QStringList, just iterate through a string tracking line endings.
+        QStringList commentLines = QString::fromUtf8(source).split("\n", QString::SkipEmptyParts);
+        unsigned lineNumber = 0;
+        translationUnit->getPosition(token.begin(), &lineNumber);
+        for (int j = 0; j < commentLines.count(); ++j) {
+            const QString &commentLine = commentLines.at(j);
+            processCommentLine(doc->fileName(), commentLine, lineNumber + j, itemList);
+        }
+    }
+    emit itemsFetched(doc->fileName(), itemList);
+}
+
+}
+}