Examples: Move categorization to examplesparser

For easier testing.

Change-Id: I11f9de3f4fbcc2c85c196f1b59b2147e73ea8209
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

4 files changed, 69 insertions, 52 deletions

diff --git a/src/plugins/qtsupport/exampleslistmodel.cpp b/src/plugins/qtsupport/exampleslistmodel.cpp
index d3cf3535dd..f18fefc34f 100644
--- a/src/plugins/qtsupport/exampleslistmodel.cpp
+++ b/src/plugins/qtsupport/exampleslistmodel.cpp
@@ -4,7 +4,6 @@
 #include "exampleslistmodel.h"
 
 #include "examplesparser.h"
-#include "qtsupporttr.h"
 
 #include <QBuffer>
 #include <QApplication>
@@ -326,57 +325,6 @@ static bool isValidExampleOrDemo(ExampleItem *item)
     return ok || debugExamples();
 }
 
-static bool sortByHighlightedAndName(ExampleItem *first, ExampleItem *second)
-{
-    if (first->isHighlighted && !second->isHighlighted)
-        return true;
-    if (!first->isHighlighted && second->isHighlighted)
-        return false;
-    return first->name.compare(second->name, Qt::CaseInsensitive) < 0;
-}
-
-static QList<std::pair<QString, QList<ExampleItem *>>> getCategories(
-    const QList<ExampleItem *> &items, bool sortIntoCategories)
-{
-    static const QString otherDisplayName = Tr::tr("Other", "Category for all other examples");
-    const bool useCategories = sortIntoCategories
-                               || qtcEnvironmentVariableIsSet("QTC_USE_EXAMPLE_CATEGORIES");
-    QList<ExampleItem *> other;
-    QMap<QString, QList<ExampleItem *>> categoryMap;
-    if (useCategories) {
-        for (ExampleItem *item : items) {
-            const QStringList itemCategories = item->metaData.value("category");
-            for (const QString &category : itemCategories)
-                categoryMap[category].append(item);
-            if (itemCategories.isEmpty())
-                other.append(item);
-        }
-    }
-    QList<std::pair<QString, QList<ExampleItem *>>> categories;
-    if (categoryMap.isEmpty()) {
-        // The example set doesn't define categories. Consider the "highlighted" ones as "featured"
-        QList<ExampleItem *> featured;
-        QList<ExampleItem *> allOther;
-        std::tie(featured, allOther) = Utils::partition(items, [](ExampleItem *i) {
-            return i->isHighlighted;
-        });
-        if (!featured.isEmpty())
-            categories.append({Tr::tr("Featured", "Category for highlighted examples"), featured});
-        if (!allOther.isEmpty())
-            categories.append({otherDisplayName, allOther});
-    } else {
-        const auto end = categoryMap.constKeyValueEnd();
-        for (auto it = categoryMap.constKeyValueBegin(); it != end; ++it)
-            categories.append(*it);
-        if (!other.isEmpty())
-            categories.append({otherDisplayName, other});
-    }
-    const auto end = categories.end();
-    for (auto it = categories.begin(); it != end; ++it)
-        sort(it->second, sortByHighlightedAndName);
-    return categories;
-}
-
 void ExamplesViewController::updateExamples()
 {
     QString examplesInstallPath;
diff --git a/src/plugins/qtsupport/examplesparser.cpp b/src/plugins/qtsupport/examplesparser.cpp
index 5fd3161777..bd6ff08918 100644
--- a/src/plugins/qtsupport/examplesparser.cpp
+++ b/src/plugins/qtsupport/examplesparser.cpp
@@ -3,7 +3,10 @@
 
 #include "examplesparser.h"
 
+#include "qtsupporttr.h"
+
 #include <utils/algorithm.h>
+#include <utils/environment.h>
 #include <utils/filepath.h>
 #include <utils/stylehelper.h>
 
@@ -298,4 +301,55 @@ expected_str<QList<ExampleItem *>> parseExamples(const QByteArray &manifestData,
     return items;
 }
 
+static bool sortByHighlightedAndName(ExampleItem *first, ExampleItem *second)
+{
+    if (first->isHighlighted && !second->isHighlighted)
+        return true;
+    if (!first->isHighlighted && second->isHighlighted)
+        return false;
+    return first->name.compare(second->name, Qt::CaseInsensitive) < 0;
+}
+
+QList<std::pair<QString, QList<ExampleItem *>>> getCategories(const QList<ExampleItem *> &items,
+                                                              bool sortIntoCategories)
+{
+    static const QString otherDisplayName = Tr::tr("Other", "Category for all other examples");
+    const bool useCategories = sortIntoCategories
+                               || qtcEnvironmentVariableIsSet("QTC_USE_EXAMPLE_CATEGORIES");
+    QList<ExampleItem *> other;
+    QMap<QString, QList<ExampleItem *>> categoryMap;
+    if (useCategories) {
+        for (ExampleItem *item : items) {
+            const QStringList itemCategories = item->metaData.value("category");
+            for (const QString &category : itemCategories)
+                categoryMap[category].append(item);
+            if (itemCategories.isEmpty())
+                other.append(item);
+        }
+    }
+    QList<std::pair<QString, QList<ExampleItem *>>> categories;
+    if (categoryMap.isEmpty()) {
+        // The example set doesn't define categories. Consider the "highlighted" ones as "featured"
+        QList<ExampleItem *> featured;
+        QList<ExampleItem *> allOther;
+        std::tie(featured, allOther) = Utils::partition(items, [](ExampleItem *i) {
+            return i->isHighlighted;
+        });
+        if (!featured.isEmpty())
+            categories.append({Tr::tr("Featured", "Category for highlighted examples"), featured});
+        if (!allOther.isEmpty())
+            categories.append({otherDisplayName, allOther});
+    } else {
+        const auto end = categoryMap.constKeyValueEnd();
+        for (auto it = categoryMap.constKeyValueBegin(); it != end; ++it)
+            categories.append(*it);
+        if (!other.isEmpty())
+            categories.append({otherDisplayName, other});
+    }
+    const auto end = categories.end();
+    for (auto it = categories.begin(); it != end; ++it)
+        sort(it->second, sortByHighlightedAndName);
+    return categories;
+}
+
 } // namespace QtSupport::Internal
diff --git a/src/plugins/qtsupport/examplesparser.h b/src/plugins/qtsupport/examplesparser.h
index 2d1afa5483..a7d5501bc5 100644
--- a/src/plugins/qtsupport/examplesparser.h
+++ b/src/plugins/qtsupport/examplesparser.h
@@ -44,6 +44,9 @@ QTSUPPORT_EXPORT Utils::expected_str<QList<ExampleItem *>> parseExamples(
     const Utils::FilePath &demosInstallPath,
     bool examples);
 
+QTSUPPORT_TEST_EXPORT QList<std::pair<QString, QList<ExampleItem *>>> getCategories(
+    const QList<ExampleItem *> &items, bool sortIntoCategories);
+
 } // namespace QtSupport::Internal
 
 Q_DECLARE_METATYPE(QtSupport::Internal::ExampleItem *)
diff --git a/src/plugins/qtsupport/qtsupport_global.h b/src/plugins/qtsupport/qtsupport_global.h
index aca20f5aa2..60c9bf0c12 100644
--- a/src/plugins/qtsupport/qtsupport_global.h
+++ b/src/plugins/qtsupport/qtsupport_global.h
@@ -12,3 +12,15 @@
 #else
 #  define QTSUPPORT_EXPORT Q_DECL_IMPORT
 #endif
+
+#if defined(WITH_TESTS)
+#  if defined(QTSUPPORT_LIBRARY)
+#    define QTSUPPORT_TEST_EXPORT Q_DECL_EXPORT
+#  elif defined(QTSUPPORT_STATIC_LIBRARY)
+#    define QTSUPPORT_TEST_EXPORT
+#  else
+#    define QTSUPPORT_TEST_EXPORT Q_DECL_IMPORT
+#  endif
+#else
+#  define QTSUPPORT_TEST_EXPORT
+#endif