1 files changed, 78 insertions, 0 deletions
diff --git a/sources/shiboken6/ApiExtractor/codesnip.cpp b/sources/shiboken6/ApiExtractor/codesnip.cpp
new file mode 100644
index 000000000..e2cd5eb35
--- /dev/null
+++ b/sources/shiboken6/ApiExtractor/codesnip.cpp
@@ -0,0 +1,78 @@
+// Copyright (C) 2022 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include "codesnip.h"
+
+#include "qtcompat.h"
+#include "exception.h"
+#include "typedatabase.h"
+
+#include <QtCore/QDebug>
+
+using namespace Qt::StringLiterals;
+
+QString TemplateInstance::expandCode() const
+{
+    const auto templateEntry = TypeDatabase::instance()->findTemplate(m_name);
+    if (!templateEntry) {
+        const QString m = u"<insert-template> referring to non-existing template '"_s
+                          + m_name + u"'."_s;
+        throw Exception(m);
+    }
+
+    QString code = templateEntry->code();
+    for (auto it = replaceRules.cbegin(), end = replaceRules.cend(); it != end; ++it)
+        code.replace(it.key(), it.value());
+    while (!code.isEmpty() && code.at(code.size() - 1).isSpace())
+        code.chop(1);
+    QString result = u"// TEMPLATE - "_s + m_name + u" - START"_s;
+    if (!code.startsWith(u'\n'))
+        result += u'\n';
+    result += code;
+    result += u"\n// TEMPLATE - "_s + m_name + u" - END\n"_s;
+    return result;
+}
+
+// ---------------------- CodeSnipFragment
+QString CodeSnipFragment::code() const
+{
+    return m_instance ? m_instance->expandCode() : m_code;
+}
+
+// ---------------------- CodeSnipAbstract
+QString CodeSnipAbstract::code() const
+{
+    QString res;
+    for (const CodeSnipFragment &codeFrag : codeList)
+        res.append(codeFrag.code());
+
+    return res;
+}
+
+void CodeSnipAbstract::addCode(const QString &code)
+{
+    codeList.append(CodeSnipFragment(fixSpaces(code)));
+}
+
+void CodeSnipAbstract::purgeEmptyFragments()
+{
+    auto end = std::remove_if(codeList.begin(), codeList.end(),
+                              [](const CodeSnipFragment &f) { return f.isEmpty(); });
+    codeList.erase(end, codeList.end());
+}
+
+QRegularExpression CodeSnipAbstract::placeHolderRegex(int index)
+{
+    return QRegularExpression(u'%' + QString::number(index) + "\\b"_L1);
+}
+
+void purgeEmptyCodeSnips(QList<CodeSnip> *list)
+{
+    for (auto it = list->begin(); it != list->end(); ) {
+        it->purgeEmptyFragments();
+        if (it->isEmpty())
+            it = list->erase(it);
+        else
+            ++it;
+    }
+}