1 files changed, 139 insertions, 0 deletions
diff --git a/src/qdoc/qdoc/src/qdoc/codeparser.cpp b/src/qdoc/qdoc/src/qdoc/codeparser.cpp
new file mode 100644
index 000000000..ad35e6d65
--- /dev/null
+++ b/src/qdoc/qdoc/src/qdoc/codeparser.cpp
@@ -0,0 +1,139 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include "codeparser.h"
+
+#include "config.h"
+#include "generator.h"
+#include "node.h"
+#include "qdocdatabase.h"
+
+#include <QtCore/qregularexpression.h>
+
+QT_BEGIN_NAMESPACE
+
+QList<CodeParser *> CodeParser::s_parsers;
+
+/*!
+  The constructor adds this code parser to the static
+  list of code parsers.
+ */
+CodeParser::CodeParser()
+{
+    m_qdb = QDocDatabase::qdocDB();
+    s_parsers.prepend(this);
+}
+
+/*!
+  The destructor removes this code parser from the static
+  list of code parsers.
+ */
+CodeParser::~CodeParser()
+{
+    s_parsers.removeAll(this);
+}
+
+/*!
+  Terminating a code parser is trivial.
+ */
+void CodeParser::terminateParser()
+{
+    // nothing.
+}
+
+/*!
+  All the code parsers in the static list are initialized here,
+  after the qdoc configuration variables have been set.
+ */
+void CodeParser::initialize()
+{
+    for (const auto &parser : std::as_const(s_parsers))
+        parser->initializeParser();
+}
+
+/*!
+  All the code parsers in the static list are terminated here.
+ */
+void CodeParser::terminate()
+{
+    for (const auto parser : s_parsers)
+        parser->terminateParser();
+}
+
+CodeParser *CodeParser::parserForLanguage(const QString &language)
+{
+    for (const auto parser : std::as_const(s_parsers)) {
+        if (parser->language() == language)
+            return parser;
+    }
+    return nullptr;
+}
+
+CodeParser *CodeParser::parserForSourceFile(const QString &filePath)
+{
+    QString fileName = QFileInfo(filePath).fileName();
+
+    for (const auto &parser : s_parsers) {
+        const QStringList sourcePatterns = parser->sourceFileNameFilter();
+        for (const QString &pattern : sourcePatterns) {
+            auto re = QRegularExpression::fromWildcard(pattern, Qt::CaseInsensitive);
+            if (re.match(fileName).hasMatch())
+                return parser;
+        }
+    }
+    return nullptr;
+}
+
+/*!
+  \internal
+ */
+void CodeParser::extractPageLinkAndDesc(QStringView arg, QString *link, QString *desc)
+{
+    static const QRegularExpression bracedRegExp(
+            QRegularExpression::anchoredPattern(QLatin1String(R"(\{([^{}]*)\}(?:\{([^{}]*)\})?)")));
+    auto match = bracedRegExp.matchView(arg);
+    if (match.hasMatch()) {
+        *link = match.captured(1);
+        *desc = match.captured(2);
+        if (desc->isEmpty())
+            *desc = *link;
+    } else {
+        qsizetype spaceAt = arg.indexOf(QLatin1Char(' '));
+        if (arg.contains(QLatin1String(".html")) && spaceAt != -1) {
+            *link = arg.left(spaceAt).trimmed().toString();
+            *desc = arg.mid(spaceAt).trimmed().toString();
+        } else {
+            *link = arg.toString();
+            *desc = *link;
+        }
+    }
+}
+
+/*!
+  \internal
+ */
+void CodeParser::setLink(Node *node, Node::LinkType linkType, const QString &arg)
+{
+    QString link;
+    QString desc;
+    extractPageLinkAndDesc(arg, &link, &desc);
+    node->setLink(linkType, link, desc);
+}
+
+/*!
+  \brief Test for whether a doc comment warrants warnings.
+
+  Returns true if qdoc should report that it has found something
+  wrong with the qdoc comment in \a doc. Sometimes, qdoc should
+  not report the warning, for example, when the comment contains
+  the \c internal command, which normally means qdoc will not use
+  the comment in the documentation anyway, so there is no point
+  in reporting warnings about it.
+ */
+bool CodeParser::isWorthWarningAbout(const Doc &doc)
+{
+    return (Config::instance().showInternal()
+            || !doc.metaCommandsUsed().contains(QStringLiteral("internal")));
+}
+
+QT_END_NAMESPACE