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// Copyright (C) 2016 Jochen Becher
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "stringtextsource.h"
#include "sourcepos.h"
#include "qmt/infrastructure/qmtassert.h"
namespace qmt {
StringTextSource::StringTextSource()
{
}
StringTextSource::~StringTextSource()
{
}
void StringTextSource::setText(const QString &text)
{
m_text = text;
m_index = 0;
m_lineNumber = 1;
m_columnNumber = 1;
}
void StringTextSource::setSourceId(int sourceId)
{
m_sourceId = sourceId;
}
SourceChar StringTextSource::readNextChar()
{
QMT_ASSERT(m_sourceId >= 0, return SourceChar());
QMT_ASSERT(m_index >= 0, return SourceChar());
QMT_ASSERT(m_lineNumber >= 0, return SourceChar());
QMT_ASSERT(m_columnNumber >= 0, return SourceChar());
if (m_index >= m_text.length())
return SourceChar(QChar(), SourcePos(m_sourceId, m_lineNumber, m_columnNumber));
SourcePos pos(m_sourceId, m_lineNumber, m_columnNumber);
QChar ch(m_text.at(m_index));
++m_index;
if (ch == QChar::LineFeed) {
++m_lineNumber;
m_columnNumber = 1;
} else {
++m_columnNumber;
}
return SourceChar(ch, pos);
}
} // namespace qmt
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