forked from qt-creator/qt-creator
945c0fbc71
Change-Id: I91f7af74d811769424928bce1c586a30b5794d6f Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>
110 lines
3.4 KiB
C++
110 lines
3.4 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms and
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** conditions see http://www.qt.io/terms-conditions. For further information
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** use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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****************************************************************************/
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#include "clangfunctionhintmodel.h"
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#include "completionchunkstotextconverter.h"
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#include <cplusplus/SimpleLexer.h>
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namespace ClangCodeModel {
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namespace Internal {
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using namespace CPlusPlus;
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ClangFunctionHintModel::ClangFunctionHintModel(const CodeCompletions &functionSymbols)
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: m_functionSymbols(functionSymbols)
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, m_currentArg(-1)
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{
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}
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void ClangFunctionHintModel::reset()
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{
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}
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int ClangFunctionHintModel::size() const
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{
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return m_functionSymbols.size();
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}
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QString ClangFunctionHintModel::text(int index) const
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{
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#if 0
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// TODO: add the boldening to the result
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Overview overview;
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overview.setShowReturnTypes(true);
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overview.setShowArgumentNames(true);
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overview.setMarkedArgument(m_currentArg + 1);
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Function *f = m_functionSymbols.at(index);
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const QString prettyMethod = overview(f->type(), f->name());
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const int begin = overview.markedArgumentBegin();
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const int end = overview.markedArgumentEnd();
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QString hintText;
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hintText += prettyMethod.left(begin).toHtmlEscaped());
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hintText += "<b>";
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hintText += prettyMethod.mid(begin, end - begin).toHtmlEscaped());
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hintText += "</b>";
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hintText += prettyMethod.mid(end).toHtmlEscaped());
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return hintText;
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#endif
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return CompletionChunksToTextConverter::convertToFunctionSignature(m_functionSymbols.at(index).chunks());
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}
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int ClangFunctionHintModel::activeArgument(const QString &prefix) const
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{
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int argnr = 0;
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int parcount = 0;
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SimpleLexer tokenize;
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Tokens tokens = tokenize(prefix);
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for (int i = 0; i < tokens.count(); ++i) {
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const Token &tk = tokens.at(i);
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if (tk.is(T_LPAREN))
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++parcount;
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else if (tk.is(T_RPAREN))
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--parcount;
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else if (! parcount && tk.is(T_COMMA))
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++argnr;
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}
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if (parcount < 0)
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return -1;
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if (argnr != m_currentArg)
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m_currentArg = argnr;
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return argnr;
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}
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} // namespace Internal
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} // namespace ClangCodeModel
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