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