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tdeedu/kgeography/src/mapparser.cpp

280 lines
7.2 KiB

/***************************************************************************
* Copyright (C) 2004 by Albert Astals Cid *
* tsdgeos@terra.es *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
***************************************************************************/
#include <klocale.h>
#include "division.h"
#include "map.h"
#include "mapparser.h"
/* unitReader */
mapReader::mapReader() : TQXmlSimpleReader()
{
}
bool mapReader::parseMap(const TQString &path)
{
TQString aux;
p_map = new KGmap();
p_map -> setFile(path);
aux = path.left(path.findRev('/') + 1); // aux = path but without the file name
mapParser handler(p_map, aux);
TQFile xmlFile(path);
if (xmlFile.exists())
{
TQXmlInputSource source(TQT_TQIODEVICE(&xmlFile));
setContentHandler(&handler);
if (parse(source)) return true;
p_error = handler.errorString();
}
else
{
p_error = i18n("%1 does not exist.").tqarg(path);
}
return false;
}
TQString mapReader::getError()
{
return p_error;
}
KGmap *mapReader::getMap()
{
return p_map;
}
/* mapParser */
mapParser::mapParser(KGmap *m, const TQString &path) : TQXmlDefaultHandler(), p_map(m), p_path(path)
{
}
bool mapParser::startDocument()
{
p_mapNameSet = false;
p_mapFileSet = false;
return true;
}
bool mapParser::startElement(const TQString&, const TQString &name, const TQString&, const TQXmlAttributes&)
{
TQString prev;
bool b = true;
prev = getPreviousTag();
p_previousTags += ":" + name;
if (prev.isEmpty())
{
b = name == "map";
if (!b) p_error = i18n("The map description file should begin with the %1 tag").tqarg("map");
}
else if (prev == "map")
{
if (name != "mapFile" && name != "name" && name != "division")
{
b = false;
p_error = i18n("%1 is not a valid tag inside tag %2. Valid tags are %3, %4 and %5").tqarg(name).tqarg(prev).tqarg("mapFile").tqarg("name").tqarg("division");
}
else if ((name == "mapFile" && p_mapFileSet) || (name == "name" && p_mapNameSet))
{
b = false;
p_error = i18n("%1 tag has already been set").tqarg(name);
}
p_colorSet = false;
if (name == "division")
{
p_divisionNameSet = false;
p_divisionIgnoreSet = false;
p_flagFileSet = false;
p_capitalSet = false;
p_division = new division();
}
}
else if (prev == "mapFile" || prev == "name" || prev == "red" || prev == "green" || prev == "blue" ||
prev == "ignore")
{
b = false;
p_error = i18n("There can not be a tag inside %1 tag").tqarg(prev);
}
else if (prev == "division")
{
if (name != "color" && name != "name" && name != "ignore" && name != "flag" && name != "capital")
{
b = false;
p_error = i18n("%1 is not a valid tag inside tag %2. Valid tags are %3, %4, %5, %6 and %7").tqarg(name).tqarg(prev).tqarg("color").tqarg("name").tqarg("ignore").tqarg("capital").tqarg("flag");
}
else if ((name == "name" && p_divisionNameSet) || (name == "color" && p_colorSet) ||
(name == "ignore" && p_divisionIgnoreSet) || (name == "flag" && p_flagFileSet) ||
(name == "capital" && p_capitalSet))
{
b = false;
p_error = i18n("%1 tag has already been set").tqarg(name);
}
p_red = -1;
p_green = -1;
p_blue = -1;
}
else if (prev == "color")
{
b = (name == "red" && p_red == -1) || (name == "green" && p_green == -1) ||
(name == "blue" && p_blue == -1);
}
else b = false;
return b;
}
bool mapParser::endElement(const TQString &, const TQString &, const TQString &)
{
TQString aux;
bool b;
aux = getPreviousTag();
b = true;
if (p_previousTags == ":map:name")
{
p_map -> setName(p_contents);
p_mapNameSet = true;
}
else if (p_previousTags == ":map:mapFile")
{
b = p_map -> setMapFile(p_path + p_contents);
p_mapFileSet = true;
if (!b) p_error = i18n("File %1 does not exist").tqarg(p_path + p_contents);
}
else if (aux == "division")
{
p_division -> setRGB(p_red, p_green , p_blue);
b = p_divisionNameSet;
if (!b) p_error = i18n("There is a division without name");
b = b && p_map -> addDivision(p_division);
if (!b) p_error = i18n("There is already either a division called %1 or a division with the same colors as %2").tqarg(p_division -> getName()).tqarg(p_division -> getName());
b = b && (p_capitalSet || !p_division -> canAsk(false));
if (!b) p_error = i18n("Division %1 has no capital").tqarg(p_division -> getName());
}
else if (p_previousTags == ":map:division:name")
{
p_divisionNameSet = true;
p_division -> setName(p_contents);
}
else if (p_previousTags == ":map:division:capital")
{
p_capitalSet = true;
p_division -> setCapital(p_contents);
}
else if (aux == "color")
{
if (p_red == -1)
{
b = false;
p_error = i18n("Tag %1 has not the %2 tag.").tqarg("<color>").tqarg("<red>");
}
else if (p_green == -1)
{
b = false;
p_error = i18n("Tag %1 has not the %2 tag.").tqarg("<color>").tqarg("<green>");
}
else if (p_blue == -1)
{
b = false;
p_error = i18n("Tag %1 has not the %2 tag.").tqarg("<color>").tqarg("<blue>");
}
else p_colorSet = true;
}
else if (aux == "red")
{
p_red = p_contents.toInt();
}
else if (aux == "green")
{
p_green = p_contents.toInt();
}
else if (aux == "blue")
{
p_blue = p_contents.toInt();
}
else if (aux == "ignore")
{
p_divisionIgnoreSet = true;
if (p_contents.lower() == "yes")
{
p_division -> setIgnore(true, false);
}
else if (p_contents.lower() == "no")
{
p_division -> setIgnore(false, false);
}
else if (p_contents.lower() == "allowclickmode")
{
p_division -> setIgnore(true, true);
}
else
{
b = false;
p_error = i18n("Invalid value in tag %1").tqarg("<ignore>");
}
}
else if (aux == "flag")
{
b = p_division -> setFlagFile(p_path + "flags/" + p_contents);
p_flagFileSet = true;
if (!b) p_error = i18n("Could not find flag file %1").tqarg(p_path + "flags/" + p_contents);
}
else if (aux == "map")
{
}
else b = false;
removeLastTag();
p_contents = TQString();
return b;
}
bool mapParser::characters(const TQString &ch)
{
TQString aux;
if (ch.simplifyWhiteSpace().length() == 0) return true;
aux = getPreviousTag();
if (aux == "mapFile" || aux == "name" || aux == "red" || aux == "green" || aux == "blue" || aux == "ignore" || aux == "flag" || aux == "capital")
{
p_contents += ch;
return true;
}
p_error = i18n("There are characters outside tags.");
return false;
}
bool mapParser::endDocument()
{
TQString aux;
if (p_mapNameSet && p_mapFileSet)
{
return true;
}
else if (!p_mapNameSet) aux = "name";
else if (!p_mapFileSet) aux = "mapFile";
p_error = i18n("Tag %1 is missing.").tqarg(aux);
return false;
}
TQString mapParser::errorString()
{
if (!p_error.isEmpty()) return p_error;
return i18n("The XML document is malformed.");
}
TQString mapParser::getPreviousTag() const
{
return p_previousTags.right(p_previousTags.length() - p_previousTags.findRev(':') - 1);
}
void mapParser::removeLastTag()
{
p_previousTags = p_previousTags.left(p_previousTags.findRev(':'));
}