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Add a cache for the header/source mapping.

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Now that we are iterating all the files in the project (instead of stopping at
the first success), we need a cache to make the switching fast enough on big
projects.

Change-Id: Ib7d63c93b3303c534ca53856d96333a822046ced
Reviewed-by: Leandro Melo <leandro.melo@nokia.com>
This commit is contained in:
Nicolas Arnaud-Cormos
2012-01-08 16:00:32 +01:00
committed by Leandro Melo
parent ab8d39ace1
commit 4095b80793
2 changed files with 12 additions and 2 deletions
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12
src/plugins/cpptools/cpptoolsplugin.cpp
View File

@@ -261,13 +261,16 @@ static int commonStringLength(const QString &s1, const QString &s2)
QString CppToolsPlugin::correspondingHeaderOrSourceI(const QString &fileName) const
{
const QFileInfo fi(fileName);
if (m_headerSourceMapping.contains(fi.absoluteFilePath()))
return m_headerSourceMapping.value(fi.absoluteFilePath());
const Core::ICore *core = Core::ICore::instance();
const Core::MimeDatabase *mimeDatase = core->mimeDatabase();
ProjectExplorer::ProjectExplorerPlugin *explorer =
ProjectExplorer::ProjectExplorerPlugin::instance();
ProjectExplorer::Project *project = (explorer ? explorer->currentProject() : 0);
const QFileInfo fi(fileName);
const FileType type = fileType(mimeDatase, fi);
if (debug)
@@ -298,8 +301,11 @@ QString CppToolsPlugin::correspondingHeaderOrSourceI(const QString &fileName) co
// Try to find a file in the same directory first
foreach (const QString &candidateFileName, candidateFileNames) {
const QFileInfo candidateFi(absoluteDir, candidateFileName);
if (candidateFi.isFile())
if (candidateFi.isFile()) {
m_headerSourceMapping[fi.absoluteFilePath()] = candidateFi.absoluteFilePath();
m_headerSourceMapping[candidateFi.absoluteFilePath()] = fi.absoluteFilePath();
return candidateFi.absoluteFilePath();
}
}
// Find files in the project
@@ -320,6 +326,8 @@ QString CppToolsPlugin::correspondingHeaderOrSourceI(const QString &fileName) co
if (!bestFileName.isEmpty()) {
const QFileInfo candidateFi(bestFileName);
Q_ASSERT(candidateFi.isFile());
m_headerSourceMapping[fi.absoluteFilePath()] = candidateFi.absoluteFilePath();
m_headerSourceMapping[candidateFi.absoluteFilePath()] = fi.absoluteFilePath();
return candidateFi.absoluteFilePath();
}
}

2
src/plugins/cpptools/cpptoolsplugin.h
View File

@@ -44,6 +44,7 @@
#include <QtCore/QFutureInterface>
#include <QtCore/QPointer>
#include <QtCore/QFutureWatcher>
#include <QtCore/QHash>
QT_BEGIN_NAMESPACE
class QFileInfo;
@@ -97,6 +98,7 @@ private:
CppModelManager *m_modelManager;
QSharedPointer<CppFileSettings> m_fileSettings;
CppToolsSettings *m_settings;
mutable QHash<QString, QString> m_headerSourceMapping;
};
} // namespace Internal