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81 lines
2.0 KiB
81 lines
2.0 KiB
9 years ago
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/*
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* File: YamlParser.cpp
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* Author: christian
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*
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* Created on 9. maj 2013, 13:13
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*/
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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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