Initial import

git-svn-id: svn://svn.code.sf.net/p/writer2latex/code/trunk@5 f0f2a975-2e09-46c8-9428-3b39399b9f3c

source/java/writer2latex/latex/i18n/I18n.java

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+/************************************************************************
+ *
+ *  I18n.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: 2002-2009 by Henrik Just
+ *
+ *  All Rights Reserved.
+ * 
+ *  Version 1.0 (2009-02-16) 
+ * 
+ */
+
+package writer2latex.latex.i18n;
+
+import java.util.HashSet;
+
+import writer2latex.office.*;
+import writer2latex.latex.LaTeXConfig;
+import writer2latex.latex.LaTeXDocumentPortion;
+import writer2latex.latex.ConverterPalette;
+import writer2latex.latex.util.BeforeAfter;
+
+/** This abstract class takes care of i18n in the LaTeX export.
+ *  Since i18n is handled quite differently in LaTeX "Classic"
+ *  and XeTeX, we use two different classes
+ */
+public abstract class I18n {
+    // **** Global variables ****
+
+    // Configuration items
+    protected LaTeXConfig config;
+    protected ReplacementTrie stringReplace;
+    protected boolean bGreekMath; // Use math mode for greek letters
+    protected boolean bAlwaysUseDefaultLang; // Ignore sLang parameter to convert()
+
+    // Collected data
+    protected String sDefaultLanguage; // The default iso language to use
+    protected HashSet languages = new HashSet(); // All languages used
+
+    // **** Constructors ****
+
+    /** Construct a new I18n 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 I18n(OfficeReader ofr, LaTeXConfig config, ConverterPalette palette) {
+        // We don't need the palette and the office reader is only used to
+        // identify the default language
+
+        // Set up config items
+        this.config = config;
+        stringReplace = config.getStringReplace();
+        bGreekMath = config.greekMath();
+        bAlwaysUseDefaultLang = !config.multilingual();
+        
+        // Default language
+        if (ofr!=null) {
+            if (config.multilingual()) {
+                // Read the default language from the default paragraph style
+                StyleWithProperties style = ofr.getDefaultParStyle();
+                if (style!=null) { 
+                    sDefaultLanguage = style.getProperty(XMLString.FO_LANGUAGE);
+                }
+            }
+            else {
+                // the most common language is the only language
+                sDefaultLanguage = ofr.getMajorityLanguage();
+            }
+        }
+        if (sDefaultLanguage==null) { sDefaultLanguage="en"; }
+    }
+	
+    /** Add declarations to the preamble to load the required packages
+     *  @param pack usepackage declarations
+     *  @param decl other declarations
+     */
+    public abstract void appendDeclarations(LaTeXDocumentPortion pack, LaTeXDocumentPortion decl);
+	
+    /** Apply a language language
+     *  @param style the OOo style to read attributesfrom
+     *  @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 abstract void applyLanguage(StyleWithProperties style, boolean bDecl, boolean bInherit, BeforeAfter ba);
+
+    /** Push a font to the font stack
+     *  @param sName the name of the font
+     */
+    public abstract void pushSpecialTable(String sName);
+	
+    /** Pop a font from the font stack
+     */
+    public abstract void popSpecialTable();
+	
+    /** 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 abstract String convert(String s, boolean bMathMode, String sLang);
+}