Jaye Evins
85 lines
2.0 KiB
C++
85 lines
2.0 KiB
C++
// ParserState.cpp
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//
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// Copyright (C) 2025-2026 Jaye Evins <evins@snaught.com>
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//
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// This file is part of gLabels-qt.
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//
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// gLabels-qt is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// gLabels-qt is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with gLabels-qt. If not, see <http://www.gnu.org/licenses/>.
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//
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#include "ParserState.hpp"
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#include <algorithm>
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namespace glabels::model
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{
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ParserState::ParserState( const QString& string,
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qsizetype pos )
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: mString(&string),
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mPos( pos )
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{
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}
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QChar
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ParserState::operator[]( qsizetype i ) const
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{
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auto ii = mPos + i;
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if ( ii < mString->size() )
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{
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return (*mString)[ii];
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}
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else
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{
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return '\0';
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}
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}
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bool
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ParserState::isNextSubString( const QString& s ) const
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{
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for ( qsizetype i = 0; i < s.size(); i++ )
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{
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if ( operator[](i) != s[i] ) return false;
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}
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return true;
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}
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qsizetype
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ParserState::pos() const
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{
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return mPos;
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}
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qsizetype
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ParserState::charsLeft() const
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{
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return std::max( mString->size() - mPos, qsizetype(0) );
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}
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void
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ParserState::advanceChars( qsizetype i )
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{
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mPos = std::min( mPos + i, mString->size() );
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}
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}
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