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101 lines
2.9 KiB
101 lines
2.9 KiB
/* BEGIN_COMMON_COPYRIGHT_HEADER
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* (c)LGPL2+
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*
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* LXDE-Qt - a lightweight, Qt based, desktop toolset
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* http://razor-qt.org
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*
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* Copyright: 2013 Razor team
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* Authors:
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* Christian Surlykke <christian@surlykke.dk>
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*
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* This program or library is free software; you can redistribute it
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* and/or modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*
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* END_COMMON_COPYRIGHT_HEADER */
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#include <QIODevice>
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#include <QRegExp>
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#include <QDebug>
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#include "yamlparser.h"
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YamlParser::YamlParser()
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{
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state = start;
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}
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YamlParser::~YamlParser()
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{
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}
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void YamlParser::consumeLine(QString line)
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{
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static QRegExp documentStart("---\\s*(\\[\\]\\s*)?");
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static QRegExp mapStart("(-\\s*)(\\w*)\\s*:(.*)$");
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static QRegExp mapEntry("(\\s*)(\\w*)\\s*:(.*)");
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static QRegExp continuation("(\\s*)(.*)");
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static QRegExp documentEnd("...\\s*");
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static QRegExp emptyLine("\\s*(#.*)?");
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qDebug() << line;
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if (documentStart.exactMatch(line))
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{
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m_ListOfMaps.clear();
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state = atdocumentstart;
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m_CurrentIndent = -1;
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}
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else if (state == error)
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{
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// Skip
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}
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else if (emptyLine.exactMatch(line))
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{
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// Skip
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}
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else if ((state == atdocumentstart || state == inlist) && mapStart.exactMatch(line))
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{
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m_ListOfMaps << QMap<QString, QString>();
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addEntryToCurrentMap(mapStart.cap(2), mapStart.cap(3));
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m_CurrentIndent = mapStart.cap(1).size();
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state = inlist;
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}
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else if (state == inlist && mapEntry.exactMatch(line) && mapEntry.cap(1).size() == m_CurrentIndent)
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{
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addEntryToCurrentMap(mapEntry.cap(2), mapEntry.cap(3));
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}
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else if (state == inlist && continuation.exactMatch(line) && continuation.cap(1).size() > m_CurrentIndent)
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{
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m_ListOfMaps.last()[m_LastKey].append(continuation.cap(2));
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}
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else if ((state == atdocumentstart || state == inlist) && documentEnd.exactMatch(line))
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{
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qDebug() << "emitting:" << m_ListOfMaps;
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emit newListOfMaps(m_ListOfMaps);
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state = documentdone;
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}
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else
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{
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qWarning() << "Yaml parser could not read:" << line;
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state = error;
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}
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}
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void YamlParser::addEntryToCurrentMap(QString key, QString value)
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{
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m_ListOfMaps.last()[key.trimmed()] = value.trimmed();
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m_LastKey = key.trimmed();
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}
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