f7dd0f8085
git-svn-id: svn://svn.code.sf.net/p/writer2latex/code/trunk@106 f0f2a975-2e09-46c8-9428-3b39399b9f3c
209 lines
7 KiB
Java
209 lines
7 KiB
Java
/************************************************************************
|
|
*
|
|
* XeTeXI18n.java
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License version 2.1, as published by the Free Software Foundation.
|
|
*
|
|
* 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*
|
|
* Copyright: 2002-2011 by Henrik Just
|
|
*
|
|
* All Rights Reserved.
|
|
*
|
|
* Version 1.2 (2011-05-06)
|
|
*
|
|
*/
|
|
|
|
package writer2latex.latex.i18n;
|
|
|
|
import java.text.Bidi;
|
|
|
|
import writer2latex.office.*;
|
|
import writer2latex.latex.LaTeXConfig;
|
|
import writer2latex.latex.LaTeXDocumentPortion;
|
|
import writer2latex.latex.ConverterPalette;
|
|
import writer2latex.latex.util.BeforeAfter;
|
|
|
|
/** This class takes care of i18n in XeLaTeX
|
|
*/
|
|
public class XeTeXI18n extends I18n {
|
|
|
|
private Polyglossia polyglossia;
|
|
private boolean bUsePolyglossia;
|
|
private boolean bUseXepersian;
|
|
|
|
/** Construct a new XeTeXI18n as ConverterHelper
|
|
* @param ofr the OfficeReader to get language information from
|
|
* @param config the configuration which determines the symbols to use
|
|
* @param palette the ConverterPalette (unused)
|
|
*/
|
|
public XeTeXI18n(OfficeReader ofr, LaTeXConfig config, ConverterPalette palette) {
|
|
super(ofr,config,palette);
|
|
polyglossia = new Polyglossia();
|
|
polyglossia.applyLanguage(sDefaultLanguage, sDefaultCountry);
|
|
|
|
// Currently all languages except farsi (fa_IR) are handled with polyglossia
|
|
// Actually only LTR languages are supported as yet
|
|
// TODO: Support CTL languages using polyglossia
|
|
bUsePolyglossia = !"fa".equals(sDefaultCTLLanguage);
|
|
// For farsi, we load xepersian.sty
|
|
// TODO: Add a use_xepersian option, using polyglossia if false
|
|
bUseXepersian = !bUsePolyglossia;
|
|
}
|
|
|
|
/** Add declarations to the preamble to load the required packages
|
|
* @param pack usepackage declarations
|
|
* @param decl other declarations
|
|
*/
|
|
public void appendDeclarations(LaTeXDocumentPortion pack, LaTeXDocumentPortion decl) {
|
|
pack.append("\\usepackage{amsmath,amssymb,amsfonts}").nl()
|
|
.append("\\usepackage{fontspec}").nl()
|
|
.append("\\usepackage{xunicode}").nl()
|
|
.append("\\usepackage{xltxtra}").nl();
|
|
if (bUsePolyglossia) {
|
|
String[] polyglossiaDeclarations = polyglossia.getDeclarations();
|
|
for (String s: polyglossiaDeclarations) {
|
|
pack.append(s).nl();
|
|
}
|
|
}
|
|
else if (bUseXepersian) {
|
|
// xepersian.sty must be loaded as the last package
|
|
// We put it in the declarations part to achieve this
|
|
decl.append("\\usepackage{xepersian}").nl();
|
|
// Set the default font to the default CTL font defined in the document
|
|
StyleWithProperties defaultStyle = ofr.getDefaultParStyle();
|
|
if (defaultStyle!=null) {
|
|
String sDefaultCTLFont = defaultStyle.getProperty(XMLString.STYLE_FONT_NAME_COMPLEX);
|
|
if (sDefaultCTLFont!=null) {
|
|
decl.append("\\settextfont{").append(sDefaultCTLFont).append("}").nl();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/** Apply a language
|
|
* @param style the OOo style to read attributes from
|
|
* @param bDecl true if declaration form is required
|
|
* @param bInherit true if inherited properties should be used
|
|
* @param ba the <code>BeforeAfter</code> to add LaTeX code to.
|
|
*/
|
|
public void applyLanguage(StyleWithProperties style, boolean bDecl, boolean bInherit, BeforeAfter ba) {
|
|
if (bUsePolyglossia && !bAlwaysUseDefaultLang && style!=null) {
|
|
// TODO: Support CTL and CJK
|
|
String sISOLang = style.getProperty(XMLString.FO_LANGUAGE,bInherit);
|
|
String sISOCountry = style.getProperty(XMLString.FO_COUNTRY, bInherit);
|
|
if (sISOLang!=null) {
|
|
String[] sCommand = polyglossia.applyLanguage(sISOLang, sISOCountry);
|
|
if (bDecl) {
|
|
ba.add(sCommand[1],sCommand[2]);
|
|
}
|
|
else {
|
|
ba.add(sCommand[0]+"{","}");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/** Push a font to the font stack
|
|
* @param sName the name of the font
|
|
*/
|
|
public void pushSpecialTable(String sName) {
|
|
// TODO
|
|
}
|
|
|
|
/** Pop a font from the font stack
|
|
*/
|
|
public void popSpecialTable() {
|
|
// TODO
|
|
}
|
|
|
|
/** Convert a string of characters into LaTeX
|
|
* @param s the source string
|
|
* @param bMathMode true if the string should be rendered in math mode
|
|
* @param sLang the ISO language of the string
|
|
* @return the LaTeX string
|
|
*/
|
|
public String convert(String s, boolean bMathMode, String sLang){
|
|
// TODO: Do we need anything special for math mode?
|
|
StringBuffer buf = new StringBuffer();
|
|
int nLen = s.length();
|
|
char c;
|
|
if (bUsePolyglossia) {
|
|
int i = 0;
|
|
while (i<nLen) {
|
|
ReplacementTrieNode node = stringReplace.get(s,i,nLen);
|
|
if (node!=null) {
|
|
buf.append(node.getLaTeXCode());
|
|
i += node.getInputLength();
|
|
}
|
|
else {
|
|
c = s.charAt(i++);
|
|
convert (c,buf);
|
|
}
|
|
}
|
|
}
|
|
else if (bUseXepersian) {
|
|
// TODO: Add support for string replace
|
|
Bidi bidi = new Bidi(s,Bidi.DIRECTION_RIGHT_TO_LEFT);
|
|
int nCurrentLevel = bidi.getBaseLevel();
|
|
int nNestingLevel = 0;
|
|
for (int i=0; i<nLen; i++) {
|
|
int nLevel = bidi.getLevelAt(i);
|
|
if (nLevel>nCurrentLevel) {
|
|
if (nLevel%2==0) { // even is LTR
|
|
buf.append("\\lr{");
|
|
}
|
|
else { // odd is RTL
|
|
buf.append("\\rl{");
|
|
}
|
|
nCurrentLevel=nLevel;
|
|
nNestingLevel++;
|
|
}
|
|
else if (nLevel<nCurrentLevel) {
|
|
buf.append("}");
|
|
nCurrentLevel=nLevel;
|
|
nNestingLevel--;
|
|
}
|
|
convert(s.charAt(i),buf);
|
|
}
|
|
while (nNestingLevel>0) {
|
|
buf.append("}");
|
|
nNestingLevel--;
|
|
}
|
|
}
|
|
|
|
return buf.toString();
|
|
}
|
|
|
|
private void convert(char c, StringBuffer buf) {
|
|
switch (c) {
|
|
case '#' : buf.append("\\#"); break; // Parameter
|
|
case '$' : buf.append("\\$"); break; // Math shift
|
|
case '%' : buf.append("\\%"); break; // Comment
|
|
case '&' : buf.append("\\&"); break; // Alignment tab
|
|
case '\\' : buf.append("\\textbackslash{}"); break; // Escape
|
|
case '^' : buf.append("\\^{}"); break; // Superscript
|
|
case '_' : buf.append("\\_"); break; // Subscript
|
|
case '{' : buf.append("\\{"); break; // Begin group
|
|
case '}' : buf.append("\\}"); break; // End group
|
|
case '~' : buf.append("\\textasciitilde{}"); break; // Active (non-breaking space)
|
|
case '\u00A0' : buf.append('~'); break; // Make non-breaking spaces visible
|
|
default: buf.append(c);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|