org.jgrasstools.gears.io.dxfdwg.libs.dwg.utils.TextToUnicodeConverter Maven / Gradle / Ivy
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/*
* JGrass - Free Open Source Java GIS http://www.jgrass.org
* (C) HydroloGIS - www.hydrologis.com
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Library General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option) any
* later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
* details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; if not, write to the Free Foundation, Inc., 59
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.jgrasstools.gears.io.dxfdwg.libs.dwg.utils;
import java.text.StringCharacterIterator;
/**
* This class allows to convert an Autocad text in an Unicode text
*
* @author jmorell
*/
public class TextToUnicodeConverter {
/**
* This method allows to convert an Autocad text in an Unicode text
*
* @param s Autocad text
* @return String Unicode text
*/
public static String convertText(String s) {
StringCharacterIterator stringcharacteriterator = new StringCharacterIterator(s);
StringBuffer stringbuffer = new StringBuffer();
int ai[] = new int[s.length()];
int i = 0;
int j = 0;
for(char c = stringcharacteriterator.first(); c != '\uFFFF'; c = stringcharacteriterator.next())
if(c == '%')
{
c = stringcharacteriterator.next();
if(c != '%')
{
stringbuffer.append('%');
c = stringcharacteriterator.previous();
} else
{
c = stringcharacteriterator.next();
switch(c)
{
case 37: // '%'
stringbuffer.append('%');
break;
case 80: // 'P'
case 112: // 'p'
stringbuffer.append('\361');
break;
case 67: // 'C'
case 99: // 'c'
stringbuffer.append('\355');
break;
case 68: // 'D'
case 100: // 'd'
stringbuffer.append('\u00b0');
break;
case 85: // 'U'
case 117: // 'u'
ai[stringbuffer.length()] ^= 1;
i++;
break;
case 79: // 'O'
case 111: // 'o'
ai[stringbuffer.length()] ^= 2;
j++;
break;
default:
if(c >= '0' && c <= '9')
{
int k = 3;
char c1 = (char)(c - 48);
for(c = stringcharacteriterator.next(); c >= '0' && c <= '9' && --k > 0; c = stringcharacteriterator.next())
c1 = (char)(10 * c1 + (c - 48));
stringbuffer.append(c1);
}
c = stringcharacteriterator.previous();
break;
}
}
} else
if(c == '^')
{
c = stringcharacteriterator.next();
if(c == ' ')
stringbuffer.append('^');
} else
{
stringbuffer.append(c);
}
s = Unicode.char2DOS437(stringbuffer, 2, '?');
String ss = s;
return ss;
}
}