CMake: Add CMakeConfigurationKitInformation

Add CMakeConfigurationKitInformation and supporting classes.

This KitInformation can hold CMake settings that are to be applied
for all configurations when this kit is used. It contains e.g.
the Qt version and toolchain configured in the kit by default, but
can be extended to hold more.

The UI will warn if the toolchain or Qt version set up in CMake
does not match up with those used by the Kit, but it will allow
the user to proceed.

Change-Id: I73f06a6535ce14de323130d74af83b9cb2ec0f0f
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@theqtcompany.com>
Reviewed-by: Tim Jenssen <tim.jenssen@theqtcompany.com>

src/plugins/cmakeprojectmanager/cmakeconfigitem.cpp

@@ -0,0 +1,149 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#include "cmakeconfigitem.h"
+
+#include <utils/qtcassert.h>
+
+namespace CMakeProjectManager {
+
+// --------------------------------------------------------------------
+// CMakeConfigItem:
+// --------------------------------------------------------------------
+
+CMakeConfigItem::CMakeConfigItem() = default;
+
+CMakeConfigItem::CMakeConfigItem(const CMakeConfigItem &other) :
+    key(other.key), type(other.type), isAdvanced(other.isAdvanced),
+    value(other.value), documentation(other.documentation)
+{ }
+
+CMakeConfigItem::CMakeConfigItem(const QByteArray &k, CMakeConfigItem::Type &t,
+                                 const QByteArray &d, const QByteArray &v) :
+    key(k), type(t), value(v), documentation(d)
+{ }
+
+CMakeConfigItem::CMakeConfigItem(const QByteArray &k, const QByteArray &v) :
+    key(k), value(v)
+{ }
+
+std::function<bool (const CMakeConfigItem &a, const CMakeConfigItem &b)> CMakeConfigItem::sortOperator()
+{
+    return [](const CMakeConfigItem &a, const CMakeConfigItem &b) { return a.key < b.key; };
+}
+
+CMakeConfigItem CMakeConfigItem::fromString(const QString &s)
+{
+    // Strip comments:
+    int commentStart = s.count();
+    int pos = s.indexOf(QLatin1Char('#'));
+    if (pos >= 0)
+        commentStart = pos;
+    pos = s.indexOf(QLatin1String("//"));
+    if (pos >= 0 && pos < commentStart)
+        commentStart = pos;
+
+    const QString line = s.mid(0, commentStart);
+
+    // Split up line:
+    int firstPos = -1;
+    int colonPos = -1;
+    int equalPos = -1;
+    for (int i = 0; i < line.count(); ++i) {
+        const QChar c = s.at(i);
+        if (firstPos < 0 && !c.isSpace()) {
+            firstPos = i;
+        }
+        if (c == QLatin1Char(':')) {
+            if (colonPos > 0)
+                break;
+            colonPos = i;
+            continue;
+        }
+        if (c == QLatin1Char('=')) {
+            equalPos = i;
+            break;
+        }
+    }
+
+    QString key;
+    QString type;
+    QString value;
+    if (equalPos >= 0) {
+        key = line.mid(firstPos, ((colonPos >= 0) ? colonPos : equalPos) - firstPos);
+        type = (colonPos < 0) ? QString() : line.mid(colonPos + 1, equalPos - colonPos - 1);
+        value = line.mid(equalPos + 1);
+    }
+
+    // Fill in item:
+    CMakeConfigItem item;
+    if (!key.isEmpty()) {
+        CMakeConfigItem::Type t = CMakeConfigItem::STRING;
+        if (type == QLatin1String("FILEPATH"))
+            t = CMakeConfigItem::FILEPATH;
+        else if (type == QLatin1String("PATH"))
+            t = CMakeConfigItem::PATH;
+        else if (type == QLatin1String("BOOL"))
+            t = CMakeConfigItem::BOOL;
+        else if (type == QLatin1String("INTERNAL"))
+            t = CMakeConfigItem::INTERNAL;
+
+        item.key = key.toUtf8();
+        item.type = t;
+        item.value = value.toUtf8();
+    }
+    return item;
+}
+
+QString CMakeConfigItem::toString() const
+{
+    if (key.isEmpty())
+        return QString();
+
+    QString typeStr;
+    switch (type)
+    {
+    case CMakeProjectManager::CMakeConfigItem::FILEPATH:
+        typeStr = QLatin1String("FILEPATH");
+        break;
+    case CMakeProjectManager::CMakeConfigItem::PATH:
+        typeStr = QLatin1String("PATH");
+        break;
+    case CMakeProjectManager::CMakeConfigItem::BOOL:
+        typeStr = QLatin1String("BOOL");
+        break;
+    case CMakeProjectManager::CMakeConfigItem::INTERNAL:
+        typeStr = QLatin1String("INTERNAL");
+        break;
+    case CMakeProjectManager::CMakeConfigItem::STRING:
+    default:
+        typeStr = QLatin1String("STRING");
+        break;
+    }
+
+    return QString::fromUtf8(key) + QLatin1Char(':') + typeStr + QLatin1Char('=') + QString::fromUtf8(value);
+}
+
+} // namespace CMakeProjectManager