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comparison src/luan/modules/parsers/LuanToString.java @ 1791:f8f5c51f5b36

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xml work
author Franklin Schmidt <fschmidt@gmail.com>
date Tue, 26 Dec 2023 19:16:18 -0700
parents 582384548a69
children
comparison
equal deleted inserted replaced
1790:a8c685a894b4 1791:f8f5c51f5b36
77 77
78 public final Settings settingsInit = new Settings(); 78 public final Settings settingsInit = new Settings();
79 private final Luan luan; 79 private final Luan luan;
80 private final LuanFunction fnOptions; 80 private final LuanFunction fnOptions;
81 private final LuanTable stack = new LuanTable(); 81 private final LuanTable stack = new LuanTable();
82 private final Set<LuanTable> seen = new HashSet<LuanTable>();
82 83
83 public LuanToString() { 84 public LuanToString() {
84 this.luan = null; 85 this.luan = null;
85 this.fnOptions = null; 86 this.fnOptions = null;
86 } 87 }
113 return (LuanTable)rtn; 114 return (LuanTable)rtn;
114 } 115 }
115 116
116 public String toString(Object obj) throws LuanException { 117 public String toString(Object obj) throws LuanException {
117 StringBuilder sb = new StringBuilder(); 118 StringBuilder sb = new StringBuilder();
118 toString(obj,sb,0,settingsInit); 119 objectToString(obj,sb,0,settingsInit);
119 return sb.toString(); 120 return sb.toString();
120 } 121 }
121 122
122 private void toString(Object obj,StringBuilder sb,int indented,Settings settings) throws LuanException { 123 private void objectToString(Object obj,StringBuilder sb,int indented,Settings settings) throws LuanException {
123 if( obj == null ) { 124 if( obj == null ) {
124 sb.append( "nil" ); 125 sb.append( "nil" );
125 return; 126 return;
126 } 127 }
127 if( obj instanceof Boolean ) { 128 if( obj instanceof Boolean ) {
146 sb.append( obj ); 147 sb.append( obj );
147 sb.append( '>' ); 148 sb.append( '>' );
148 } 149 }
149 150
150 private void toString(LuanTable tbl,StringBuilder sb,int indented,Settings settings) throws LuanException { 151 private void toString(LuanTable tbl,StringBuilder sb,int indented,Settings settings) throws LuanException {
152 if( !seen.add(tbl) ) {
153 if( settings.strict )
154 throw new LuanException("loop in "+tbl.rawToString());
155 sb.append("<loop>");
156 return;
157 }
151 if( tbl.getMetatable()!=null ) { 158 if( tbl.getMetatable()!=null ) {
152 if( settings.strict ) 159 if( settings.strict )
153 throw new LuanException("can't handle metatables when strict"); 160 throw new LuanException("can't handle metatables when strict");
154 if( luan==null ) 161 if( luan==null )
155 throw new LuanException("can't handle metatables when luan isn't set"); 162 throw new LuanException("can't handle metatables when luan isn't set");
205 } else 212 } else
206 sb.append( ", " ); 213 sb.append( ", " );
207 } else { 214 } else {
208 indent(sb,indented+1); 215 indent(sb,indented+1);
209 } 216 }
210 toString(obj,sb,indented+1,settings); 217 objectToString(obj,sb,indented+1,settings);
211 } 218 }
212 for( Object obj : map.entrySet() ) { 219 for( Object obj : map.entrySet() ) {
213 Map.Entry entry = (Map.Entry)obj; 220 Map.Entry entry = (Map.Entry)obj;
214 if( settings.compressed ) { 221 if( settings.compressed ) {
215 if( first ) 222 if( first )
245 Object key = entry.getKey(); 252 Object key = entry.getKey();
246 if( key instanceof String && !settings.noNameKeys && ((String)key).matches("[a-zA-Z_][a-zA-Z_0-9]*") ) { 253 if( key instanceof String && !settings.noNameKeys && ((String)key).matches("[a-zA-Z_][a-zA-Z_0-9]*") ) {
247 sb.append( (String)key ); 254 sb.append( (String)key );
248 } else { 255 } else {
249 sb.append( '[' ); 256 sb.append( '[' );
250 toString( key, sb, indented, keySettings ); 257 objectToString( key, sb, indented, keySettings );
251 sb.append( ']' ); 258 sb.append( ']' );
252 } 259 }
253 sb.append( settings.compressed ? "=" : " = " ); 260 sb.append( settings.compressed ? "=" : " = " );
254 stack.rawAdd(key); // push 261 stack.rawAdd(key); // push
255 LuanTable options = getOptions(); 262 LuanTable options = getOptions();
256 if( options != null ) { 263 if( options != null ) {
257 settings = settings.cloneSettings(); 264 settings = settings.cloneSettings();
258 settings.applyOptions(options); 265 settings.applyOptions(options);
259 } 266 }
260 toString( entry.getValue(), sb, indented, settings ); 267 objectToString( entry.getValue(), sb, indented, settings );
261 stack.removeFromList(stack.rawLength()); // pop 268 stack.removeFromList(stack.rawLength()); // pop
262 } 269 }
263 270
264 private void indent(StringBuilder sb,int indented) { 271 private void indent(StringBuilder sb,int indented) {
265 sb.append( '\n' ); 272 sb.append( '\n' );