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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of jom.
**
** 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.
**
****************************************************************************/
#ifndef MAKEFILELINEREADER_H
#define MAKEFILELINEREADER_H
#include <QtCore/QFile>
#include <QtCore/QTextStream>
namespace NMakeFile {
enum class LineContinuationType
{
None,
Backslash,
Caret
};
struct MakefileLine
{
QString content;
LineContinuationType continuation = LineContinuationType::None;
};
inline bool isComplete(const MakefileLine &line)
{
return line.continuation == LineContinuationType::None;
}
class MakefileLineReader {
public:
MakefileLineReader(const QString& filename);
~MakefileLineReader();
bool open();
void close();
MakefileLine readLine(bool bInlineFileMode);
QString fileName() const { return m_file.fileName(); }
uint lineNumber() const { return m_nLineNumber; }
private:
void growLineBuffer(size_t nGrow);
typedef MakefileLine (MakefileLineReader::*ReadLineImpl)();
ReadLineImpl m_readLineImpl;
MakefileLine readLine_impl_local8bit();
MakefileLine readLine_impl_unicode();
private:
QFile m_file;
QTextStream m_textStream;
static const size_t m_nInitialLineBufferSize = 6144;
static const size_t m_nLineBufferGrowSize = 1024;
size_t m_nLineBufferSize;
char *m_lineBuffer;
uint m_nLineNumber;
};
} // namespace NMakeFile
#endif // MAKEFILELINEREADER_H
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