Mercurial Hosting > luan
annotate src/luan/modules/parsers/Css.java @ 1562:b89212fd04b5
remove table.luan
| author | Franklin Schmidt <fschmidt@gmail.com> |
|---|---|
| date | Sun, 08 Nov 2020 16:50:59 -0700 |
| parents | 27efb1fcbcb5 |
| children |
| rev | line source |
|---|---|
| 1289 | 1 package luan.modules.parsers; |
| 2 | |
|
1333
25746915a241
merge Luan and LuanState
Franklin Schmidt <fschmidt@gmail.com>
parents:
1330
diff
changeset
|
3 import luan.Luan; |
| 1289 | 4 import luan.LuanTable; |
| 1330 | 5 import luan.LuanException; |
|
1402
27efb1fcbcb5
move luan.lib to goodjava
Franklin Schmidt <fschmidt@gmail.com>
parents:
1333
diff
changeset
|
6 import goodjava.parser.Parser; |
| 1289 | 7 |
| 8 | |
| 9 public final class Css { | |
| 10 | |
| 1562 | 11 public static LuanTable style(String text) { |
| 1330 | 12 try { |
| 1562 | 13 return new Css(text).parseStyle(); |
| 1330 | 14 } catch(LuanException e) { |
| 15 throw new RuntimeException(e); | |
| 16 } | |
| 1289 | 17 } |
| 18 | |
| 19 private final Parser parser; | |
| 20 | |
| 1562 | 21 private Css(String text) { |
| 1289 | 22 this.parser = new Parser(text); |
| 23 } | |
| 24 | |
| 1330 | 25 private LuanTable parseStyle() throws LuanException { |
| 1562 | 26 LuanTable tbl = new LuanTable(); |
| 1289 | 27 while( matchSpace() ); |
| 28 while( !parser.endOfInput() ) { | |
| 29 int start = parser.currentIndex(); | |
| 30 if( !matchPropertyChar() ) | |
| 31 return null; | |
| 32 while( matchPropertyChar() ); | |
| 33 String prop = parser.textFrom(start).toLowerCase(); | |
| 34 | |
| 35 while( matchSpace() ); | |
| 36 if( !parser.match(':') ) | |
| 37 return null; | |
| 38 | |
| 39 start = parser.currentIndex(); | |
| 40 while( !parser.endOfInput() && parser.noneOf(";") ); | |
| 41 String val = parser.textFrom(start).trim(); | |
| 42 | |
| 1562 | 43 tbl.rawPut(prop,val); |
| 1289 | 44 parser.match(';'); |
| 45 while( matchSpace() ); | |
| 46 } | |
| 47 return tbl; | |
| 48 } | |
| 49 | |
| 50 private boolean matchPropertyChar() { | |
| 51 return parser.inCharRange('a','z') | |
| 52 || parser.inCharRange('A','Z') | |
| 53 || parser.inCharRange('0','9') | |
| 54 || parser.anyOf("_-") | |
| 55 ; | |
| 56 } | |
| 57 | |
| 58 private boolean matchSpace() { | |
| 59 return parser.anyOf(" \t\r\n"); | |
| 60 } | |
| 61 | |
| 62 } |