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1 package com.teamkonzept.lib.templates;
2
3 import com.teamkonzept.lib.*;
4
5 import java.io.*;
6 import java.util.*;
7 import java.text.*;
8 import com.teamkonzept.international.LanguageManager;
9
10
15 public class TKLanguageTag extends TKLabelTag
16 {
17
18
19 public static final int TAG_TYPE = TKDateTag.TAG_TYPE+1;
20
21
22 String  paramsString = null;
23
24
25 TKVector params = null;
26
27
31 public TKLanguageTag( TKTemplateSyntax parent, String def, boolean hasSubTags ) throws TKTemplateSyntaxException
32 {
33 super( parent, def, hasSubTags );
34 if( hasSubTags ) paramsString = def;
35 else label = getParams (def,false,null);
36 }
37
38
41 public String apply( TKTemplateData td ) throws TKTemplateSyntaxException
42 {
43 return getText(td);
44 }
45
46 public void apply(TKTemplateData td, Writer writer)
47 throws TKTemplateSyntaxException, IOException
48 {
49
50 writer.write(getText(td));
51 }
52
53 protected void makeParam (StringBuffer name, StringBuffer value, boolean hasSubTags, TKTemplateData td)
54 throws TKTemplateSyntaxException
55 {
56 String valString = value == null ? "" : value.toString();
57
58 if (hasSubTags) {
59
60 TKTemplateSyntax syntax = parent.newChild (valString,parent.getSource(),true);
61 TKTemplateData subTd = td;
62 String decoding = (String )subTd.getVariable("TEMPLATE_SYNTAX_DEFAULT_ENCODING") ;
63 if (subTd != null)
64 {
65 subTd.setLocalVariable("TEMPLATE_SYNTAX_DEFAULT_ENCODING",TKAnsiConverter.CONV_ID);
67 }
68 valString = syntax.apply (subTd);
69 if (decoding != null)
71 subTd.setLocalVariable("TEMPLATE_SYNTAX_DEFAULT_ENCODING",decoding);
72 else
73 subTd.removeVariable("TEMPLATE_SYNTAX_DEFAULT_ENCODING");
74 }
75 params.addElement( valString);
76 }
77
78 protected String getParams( String def, boolean hasSubTags,
79 TKTemplateData td) throws TKTemplateSyntaxException{
80 params = new TKVector();
81 int pos = def.indexOf(':');
82 if (pos < 0) {
83 if (hasSubTags){
84 return parent.newChild(def,parent.getSource(),hasSubTags).apply (td);
85 }
86 else{
87 return def;
88 }
89 }
90 String label = def.substring( 0, pos++ );
91 if (hasSubTags){
92 label = parent.newChild(label,parent.getSource(),hasSubTags).apply (td);
93 }
94 StringBuffer name = null;
95 StringBuffer value = null;
96 boolean inName = true;
97 while (pos < def.length()) {
98 char chr = def.charAt (pos++);
99 if (chr == ';') {
100 if (name != null){
101 makeParam (name, value, hasSubTags, td);
102 }
103 inName = true;
104 name = null;
105 value = null;
106 continue;
107 }
108 if (chr == '=') {
109 inName = false;
110 continue;
111 }
112 if ((chr == '\\') && (pos < def.length())){
113 chr = def.charAt (pos++);
114 }
115 (inName ? (name == null ? (name = new StringBuffer ()) : name) :
116 (value == null ? (value = new StringBuffer ()) : value)) .append (chr);
117 }
118 if (name != null){
119 makeParam (name, value, hasSubTags, td);
120 }
121 return label;
122 }
123
124
128 private String getText(TKTemplateData td) throws TKTemplateSyntaxException{
129 String label = null;
130 if (paramsString != null){
131 label = getParams(paramsString, true, td);
132 }
133 else{
134 label = getRealLabel( td );
135 }
136 label = label.trim();
137 int index = label.indexOf(".");
138 if (index < 1){
139 return "wrong_format";
140 }
141 String context = label.substring(0, index);
142 String ident = label.substring(index + 1, label.length());
143 Object [] args = new Object [params.size()];
144 params.copyInto(args);
145
147
148 String back = LanguageManager.getText(context, ident, args);
149 String encoding = parent.getDefaultEncoding(td);
150 TKConverter encoder = TKConverter.getConverter( encoding );
151 if (encoder == null){
152 throw new Error ("missing converter for encoding "+encoding);
153 }
154 return new String ( encoder.stringToBytes (back),0);
155
156 }
157 }
158 |
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