Mercurial Hosting > luan
view core/src/luan/LuanElement.java @ 517:8dcf9e12446b
add Luan.on_luan_close()
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Wed, 27 May 2015 01:20:49 -0600 |
parents | 5d4a78c93383 |
children |
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package luan; public final class LuanElement { public final LuanSource source; public final int start; public final int end; private final String text; public LuanElement(LuanSource source,int start,int end) { this(source,start,end,null); } public LuanElement(LuanSource source,int start,int end,String text) { if( source==null ) throw new NullPointerException("source is null"); this.source = source; this.start = start; while( end > 0 && Character.isWhitespace(source.text.charAt(end-1)) ) { end--; } this.end = end; this.text = text; } public String text() { return text!=null ? text : source.text.substring(start,end); } int lineNumber() { int line = 0; int i = -1; do { line++; i = source.text.indexOf('\n',i+1); } while( i != -1 && i < start ); return line; } }