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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "clangpreprocessorassistproposalitem.h"
#include <texteditor/texteditor.h>
#include <cplusplus/Token.h>
namespace ClangCodeModel {
namespace Internal {
bool ClangPreprocessorAssistProposalItem::prematurelyApplies(const QChar &typedCharacter) const
{
bool applies = false;
if (isInclude())
applies = typedCharacter == QLatin1Char('/') && text().endsWith(QLatin1Char('/'));
if (applies)
m_typedCharacter = typedCharacter;
return applies;
}
bool ClangPreprocessorAssistProposalItem::implicitlyApplies() const
{
return true;
}
void ClangPreprocessorAssistProposalItem::apply(TextEditor::TextDocumentManipulatorInterface &manipulator,
int basePosition) const
{
// TODO move in an extra class under tests
QString textToBeInserted = text();
QString extraCharacters;
int extraLength = 0;
if (isInclude()) {
if (!textToBeInserted.endsWith(QLatin1Char('/'))) {
extraCharacters += QLatin1Char((m_completionOperator == CPlusPlus::T_ANGLE_STRING_LITERAL) ? '>' : '"');
} else {
if (m_typedCharacter == QLatin1Char('/')) // Eat the slash
m_typedCharacter = QChar();
}
}
if (!m_typedCharacter.isNull())
extraCharacters += m_typedCharacter;
// Avoid inserting characters that are already there
const int endsPosition = manipulator.positionAt(TextEditor::EndOfLinePosition);
const QString existingText = manipulator.textAt(manipulator.currentPosition(), endsPosition - manipulator.currentPosition());
int existLength = 0;
if (!existingText.isEmpty()) {
// Calculate the exist length in front of the extra chars
existLength = textToBeInserted.length() - (manipulator.currentPosition() - basePosition);
while (!existingText.startsWith(textToBeInserted.right(existLength))) {
if (--existLength == 0)
break;
}
}
for (int i = 0; i < extraCharacters.length(); ++i) {
const QChar a = extraCharacters.at(i);
const QChar b = manipulator.characterAt(manipulator.currentPosition() + i + existLength);
if (a == b)
++extraLength;
else
break;
}
textToBeInserted += extraCharacters;
// Insert the remainder of the name
const int length = manipulator.currentPosition() - basePosition + existLength + extraLength;
manipulator.replace(basePosition, length, textToBeInserted);
}
void ClangPreprocessorAssistProposalItem::setText(const QString &text)
{
m_text = text;
}
QString ClangPreprocessorAssistProposalItem::text() const
{
return m_text;
}
void ClangPreprocessorAssistProposalItem::setIcon(const QIcon &icon)
{
m_icon = icon;
}
QIcon ClangPreprocessorAssistProposalItem::icon() const
{
return m_icon;
}
void ClangPreprocessorAssistProposalItem::setDetail(const QString &detail)
{
m_detail = detail;
}
QString ClangPreprocessorAssistProposalItem::detail() const
{
return QString();
}
Qt::TextFormat ClangPreprocessorAssistProposalItem::detailFormat() const
{
return Qt::RichText;
}
bool ClangPreprocessorAssistProposalItem::isSnippet() const
{
return false;
}
bool ClangPreprocessorAssistProposalItem::isValid() const
{
return true;
}
quint64 ClangPreprocessorAssistProposalItem::hash() const
{
return 0;
}
void ClangPreprocessorAssistProposalItem::setCompletionOperator(uint completionOperator)
{
m_completionOperator = completionOperator;
}
bool ClangPreprocessorAssistProposalItem::isInclude() const
{
return m_completionOperator == CPlusPlus::T_STRING_LITERAL
|| m_completionOperator == CPlusPlus::T_ANGLE_STRING_LITERAL;
}
} // namespace Internal
} // namespace ClangCodeModel
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