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lxqt-runner-packaging/yamlparser.cpp

81 lines
2.0 KiB

/*
* File: YamlParser.cpp
* Author: christian
*
* Created on 9. maj 2013, 13:13
*/
#include <QIODevice>
#include <QRegExp>
#include <QDebug>
#include "yamlparser.h"
YamlParser::YamlParser()
{
state = start;
}
YamlParser::~YamlParser()
{
}
void YamlParser::consumeLine(QString line)
{
static QRegExp documentStart("---\\s*(\\[\\]\\s*)?");
static QRegExp mapStart("(-\\s*)(\\w*)\\s*:(.*)$");
static QRegExp mapEntry("(\\s*)(\\w*)\\s*:(.*)");
static QRegExp continuation("(\\s*)(.*)");
static QRegExp documentEnd("...\\s*");
static QRegExp emptyLine("\\s*(#.*)?");
qDebug() << line;
if (documentStart.exactMatch(line))
{
m_ListOfMaps.clear();
state = atdocumentstart;
m_CurrentIndent = -1;
}
else if (state == error)
{
// Skip
}
else if (emptyLine.exactMatch(line))
{
// Skip
}
else if ((state == atdocumentstart || state == inlist) && mapStart.exactMatch(line))
{
m_ListOfMaps << QMap<QString, QString>();
addEntryToCurrentMap(mapStart.cap(2), mapStart.cap(3));
m_CurrentIndent = mapStart.cap(1).size();
state = inlist;
}
else if (state == inlist && mapEntry.exactMatch(line) && mapEntry.cap(1).size() == m_CurrentIndent)
{
addEntryToCurrentMap(mapEntry.cap(2), mapEntry.cap(3));
}
else if (state == inlist && continuation.exactMatch(line) && continuation.cap(1).size() > m_CurrentIndent)
{
m_ListOfMaps.last()[m_LastKey].append(continuation.cap(2));
}
else if ((state == atdocumentstart || state == inlist) && documentEnd.exactMatch(line))
{
qDebug() << "emitting:" << m_ListOfMaps;
emit newListOfMaps(m_ListOfMaps);
state = documentdone;
}
else
{
qWarning() << "Yaml parser could not read:" << line;
state = error;
}
}
void YamlParser::addEntryToCurrentMap(QString key, QString value)
{
m_ListOfMaps.last()[key.trimmed()] = value.trimmed();
m_LastKey = key.trimmed();
}