From f71b3652f40eb046957c7aff2f47e153d1f4a7d5 Mon Sep 17 00:00:00 2001
From: Tobias Hunger <tobias.hunger@theqtcompany.com>
Date: Tue, 26 Jan 2016 17:26:46 +0100
Subject: [PATCH] CMake: Read CMakeCache.txt
Read the configuration from CMakeCache.txt files.
Change-Id: I7ddf9c9727420634086c973d0134059aac37ace0
Reviewed-by: Tim Jenssen <tim.jenssen@theqtcompany.com>
---
.../cmakeprojectmanager/builddirmanager.cpp | 92 +++++++++++++++++++
.../cmakeprojectmanager/builddirmanager.h | 3 +
2 files changed, 95 insertions(+)
diff --git a/src/plugins/cmakeprojectmanager/builddirmanager.cpp b/src/plugins/cmakeprojectmanager/builddirmanager.cpp
index fac3b491291..3a753fe9630 100644
--- a/src/plugins/cmakeprojectmanager/builddirmanager.cpp
+++ b/src/plugins/cmakeprojectmanager/builddirmanager.cpp
@@ -42,6 +42,7 @@
#include <utils/synchronousprocess.h>
#include <QDateTime>
+#include <QFile>
#include <QFileInfo>
#include <QFileSystemWatcher>
#include <QRegularExpression>
@@ -187,6 +188,11 @@ QList<ProjectExplorer::FileNode *> BuildDirManager::files() const
return m_files;
}
+CMakeConfig BuildDirManager::configuration() const
+{
+ return parseConfiguration();
+}
+
void BuildDirManager::extractData()
{
const Utils::FileName topCMake
@@ -367,5 +373,91 @@ void BuildDirManager::processCMakeError()
});
}
+static QByteArray trimCMakeCacheLine(const QByteArray &in) {
+ int start = 0;
+ while (start < in.count() && (in.at(start) == ' ' || in.at(start) == '\t'))
+ ++start;
+
+ return in.mid(start, in.count() - start - 1);
+}
+
+static QByteArrayList splitCMakeCacheLine(const QByteArray &line) {
+ const int colonPos = line.indexOf(':');
+ if (colonPos < 0)
+ return QByteArrayList();
+
+ const int equalPos = line.indexOf('=', colonPos + 1);
+ if (equalPos < colonPos)
+ return QByteArrayList();
+
+ return QByteArrayList() << line.mid(0, colonPos)
+ << line.mid(colonPos + 1, equalPos - colonPos - 1)
+ << line.mid(equalPos + 1);
+}
+
+static CMakeConfigItem::Type fromByteArray(const QByteArray &type) {
+ if (type == "BOOL")
+ return CMakeConfigItem::BOOL;
+ if (type == "STRING")
+ return CMakeConfigItem::STRING;
+ if (type == "FILEPATH")
+ return CMakeConfigItem::FILEPATH;
+ if (type == "PATH")
+ return CMakeConfigItem::PATH;
+ QTC_CHECK(type == "INTERNAL" || type == "STATIC");
+
+ return CMakeConfigItem::INTERNAL;
+}
+
+CMakeConfig BuildDirManager::parseConfiguration() const
+{
+ CMakeConfig result;
+ const QString cacheFile = QDir(m_buildDir.toString()).absoluteFilePath(QLatin1String("CMakeCache.txt"));
+ QFile cache(cacheFile);
+ if (!cache.open(QIODevice::ReadOnly | QIODevice::Text))
+ return CMakeConfig();
+
+ QSet<QByteArray> advancedSet;
+ QByteArray documentation;
+ while (!cache.atEnd()) {
+ const QByteArray line = trimCMakeCacheLine(cache.readLine());
+
+ if (line.isEmpty() || line.startsWith('#'))
+ continue;
+
+ if (line.startsWith("//")) {
+ documentation = line.mid(2);
+ continue;
+ }
+
+ const QByteArrayList pieces = splitCMakeCacheLine(line);
+ if (pieces.isEmpty())
+ continue;
+
+ QTC_ASSERT(pieces.count() == 3, continue);
+ const QByteArray key = pieces.at(0);
+ const QByteArray type = pieces.at(1);
+ const QByteArray value = pieces.at(2);
+
+ if (key.endsWith("-ADVANCED") && value == "1") {
+ advancedSet.insert(key.left(key.count() - 9 /* "-ADVANCED" */));
+ } else {
+ CMakeConfigItem::Type t = fromByteArray(type);
+ if (t != CMakeConfigItem::INTERNAL)
+ result << CMakeConfigItem(key, t, documentation, value);
+ }
+ }
+
+ // Set advanced flags:
+ for (int i = 0; i < result.count(); ++i) {
+ CMakeConfigItem &item = result[i];
+ item.isAdvanced = advancedSet.contains(item.key);
+ }
+
+ Utils::sort(result, CMakeConfigItem::sortOperator());
+
+ return result;
+}
+
} // namespace Internal
} // namespace CMakeProjectManager
diff --git a/src/plugins/cmakeprojectmanager/builddirmanager.h b/src/plugins/cmakeprojectmanager/builddirmanager.h
index 6b903910e3a..7d234b5bbbd 100644
--- a/src/plugins/cmakeprojectmanager/builddirmanager.h
+++ b/src/plugins/cmakeprojectmanager/builddirmanager.h
@@ -78,6 +78,7 @@ public:
QString projectName() const;
QList<CMakeBuildTarget> buildTargets() const;
QList<ProjectExplorer::FileNode *> files() const;
+ CMakeConfig configuration() const;
signals:
void parsingStarted() const;
@@ -93,6 +94,8 @@ private:
void processCMakeOutput();
void processCMakeError();
+ CMakeConfig parseConfiguration() const;
+
const Utils::FileName m_sourceDir;
Utils::FileName m_buildDir;
const ProjectExplorer::Kit *const m_kit;
--
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