svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.utils / src / main / java / org / gvsig / utils / console / jedit / ShellScriptTokenMarker.java @ 40561
History | View | Annotate | Download (6.46 KB)
1 |
/**
|
---|---|
2 |
* gvSIG. Desktop Geographic Information System.
|
3 |
*
|
4 |
* Copyright (C) 2007-2013 gvSIG Association.
|
5 |
*
|
6 |
* This program is free software; you can redistribute it and/or
|
7 |
* modify it under the terms of the GNU General Public License
|
8 |
* as published by the Free Software Foundation; either version 3
|
9 |
* of the License, or (at your option) any later version.
|
10 |
*
|
11 |
* This program is distributed in the hope that it will be useful,
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
14 |
* GNU General Public License for more details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU General Public License
|
17 |
* along with this program; if not, write to the Free Software
|
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
19 |
* MA 02110-1301, USA.
|
20 |
*
|
21 |
* For any additional information, do not hesitate to contact us
|
22 |
* at info AT gvsig.com, or visit our website www.gvsig.com.
|
23 |
*/
|
24 |
package org.gvsig.utils.console.jedit; |
25 |
/*
|
26 |
* ShellScriptTokenMarker.java - Shell script token marker
|
27 |
* Copyright (C) 1998, 1999 Slava Pestov
|
28 |
*
|
29 |
* You may use and modify this package for any purpose. Redistribution is
|
30 |
* permitted, in both source and binary form, provided that this notice
|
31 |
* remains intact in all source distributions of this package.
|
32 |
*/
|
33 |
|
34 |
import javax.swing.text.Segment; |
35 |
|
36 |
/**
|
37 |
* Shell script token marker.
|
38 |
*
|
39 |
* @author Slava Pestov
|
40 |
* @version $Id$
|
41 |
*/
|
42 |
public class ShellScriptTokenMarker extends TokenMarker |
43 |
{ |
44 |
// public members
|
45 |
public static final byte LVARIABLE = Token.INTERNAL_FIRST; |
46 |
|
47 |
public byte markTokensImpl(byte token, Segment line, int lineIndex) |
48 |
{ |
49 |
char[] array = line.array; |
50 |
byte cmdState = 0; // 0 = space before command, 1 = inside |
51 |
// command, 2 = after command
|
52 |
int offset = line.offset;
|
53 |
int lastOffset = offset;
|
54 |
int length = line.count + offset;
|
55 |
|
56 |
if(token == Token.LITERAL1 && lineIndex != 0 |
57 |
&& lineInfo[lineIndex - 1].obj != null) |
58 |
{ |
59 |
String str = (String)lineInfo[lineIndex - 1].obj; |
60 |
if(str != null && str.length() == line.count |
61 |
&& SyntaxUtilities.regionMatches(false,line,
|
62 |
offset,str)) |
63 |
{ |
64 |
addToken(line.count,Token.LITERAL1); |
65 |
return Token.NULL;
|
66 |
} |
67 |
else
|
68 |
{ |
69 |
addToken(line.count,Token.LITERAL1); |
70 |
lineInfo[lineIndex].obj = str; |
71 |
return Token.LITERAL1;
|
72 |
} |
73 |
} |
74 |
|
75 |
boolean backslash = false; |
76 |
loop: for(int i = offset; i < length; i++) |
77 |
{ |
78 |
int i1 = (i+1); |
79 |
|
80 |
char c = array[i];
|
81 |
|
82 |
if(c == '\\') |
83 |
{ |
84 |
backslash = !backslash; |
85 |
continue;
|
86 |
} |
87 |
|
88 |
switch(token)
|
89 |
{ |
90 |
case Token.NULL:
|
91 |
switch(c)
|
92 |
{ |
93 |
case ' ': case '\t': case '(': case ')': |
94 |
backslash = false;
|
95 |
if(cmdState == 1/*insideCmd*/) |
96 |
{ |
97 |
addToken(i - lastOffset,Token.KEYWORD1); |
98 |
lastOffset = i; |
99 |
cmdState = 2; /*afterCmd*/ |
100 |
} |
101 |
break;
|
102 |
case '=': |
103 |
backslash = false;
|
104 |
if(cmdState == 1/*insideCmd*/) |
105 |
{ |
106 |
addToken(i - lastOffset,token); |
107 |
lastOffset = i; |
108 |
cmdState = 2; /*afterCmd*/ |
109 |
} |
110 |
break;
|
111 |
case '&': case '|': case ';': |
112 |
if(backslash)
|
113 |
backslash = false;
|
114 |
else
|
115 |
cmdState = 0; /*beforeCmd*/ |
116 |
break;
|
117 |
case '#': |
118 |
if(backslash)
|
119 |
backslash = false;
|
120 |
else
|
121 |
{ |
122 |
addToken(i - lastOffset,token); |
123 |
addToken(length - i,Token.COMMENT1); |
124 |
lastOffset = length; |
125 |
break loop;
|
126 |
} |
127 |
break;
|
128 |
case '$': |
129 |
if(backslash)
|
130 |
backslash = false;
|
131 |
else
|
132 |
{ |
133 |
addToken(i - lastOffset,token); |
134 |
cmdState = 2; /*afterCmd*/ |
135 |
lastOffset = i; |
136 |
if(length - i >= 2) |
137 |
{ |
138 |
switch(array[i1])
|
139 |
{ |
140 |
case '(': |
141 |
continue;
|
142 |
case '{': |
143 |
token = LVARIABLE; |
144 |
break;
|
145 |
default:
|
146 |
token = Token.KEYWORD2; |
147 |
break;
|
148 |
} |
149 |
} |
150 |
else
|
151 |
token = Token.KEYWORD2; |
152 |
} |
153 |
break;
|
154 |
case '"': |
155 |
if(backslash)
|
156 |
backslash = false;
|
157 |
else
|
158 |
{ |
159 |
addToken(i - lastOffset,token); |
160 |
token = Token.LITERAL1; |
161 |
lineInfo[lineIndex].obj = null;
|
162 |
cmdState = 2; /*afterCmd*/ |
163 |
lastOffset = i; |
164 |
} |
165 |
break;
|
166 |
case '\'': |
167 |
if(backslash)
|
168 |
backslash = false;
|
169 |
else
|
170 |
{ |
171 |
addToken(i - lastOffset,token); |
172 |
token = Token.LITERAL2; |
173 |
cmdState = 2; /*afterCmd*/ |
174 |
lastOffset = i; |
175 |
} |
176 |
break;
|
177 |
case '<': |
178 |
if(backslash)
|
179 |
backslash = false;
|
180 |
else
|
181 |
{ |
182 |
if(length - i > 1 && array[i1] == '<') |
183 |
{ |
184 |
addToken(i - lastOffset, |
185 |
token); |
186 |
token = Token.LITERAL1; |
187 |
lastOffset = i; |
188 |
lineInfo[lineIndex].obj = |
189 |
new String(array,i + 2, |
190 |
length - (i+2));
|
191 |
} |
192 |
} |
193 |
break;
|
194 |
default:
|
195 |
backslash = false;
|
196 |
if(Character.isLetter(c)) |
197 |
{ |
198 |
if(cmdState == 0 /*beforeCmd*/) |
199 |
{ |
200 |
addToken(i - lastOffset,token); |
201 |
lastOffset = i; |
202 |
cmdState++; /*insideCmd*/
|
203 |
} |
204 |
} |
205 |
break;
|
206 |
} |
207 |
break;
|
208 |
case Token.KEYWORD2:
|
209 |
backslash = false;
|
210 |
if(!Character.isLetterOrDigit(c) && c != '_') |
211 |
{ |
212 |
if(i != offset && array[i-1] == '$') |
213 |
{ |
214 |
addToken(i1 - lastOffset,token); |
215 |
lastOffset = i1; |
216 |
token = Token.NULL; |
217 |
continue;
|
218 |
} |
219 |
else
|
220 |
{ |
221 |
addToken(i - lastOffset,token); |
222 |
lastOffset = i; |
223 |
token = Token.NULL; |
224 |
} |
225 |
} |
226 |
break;
|
227 |
case Token.LITERAL1:
|
228 |
if(backslash)
|
229 |
backslash = false;
|
230 |
else if(c == '"') |
231 |
{ |
232 |
addToken(i1 - lastOffset,token); |
233 |
cmdState = 2; /*afterCmd*/ |
234 |
lastOffset = i1; |
235 |
token = Token.NULL; |
236 |
} |
237 |
else
|
238 |
backslash = false;
|
239 |
break;
|
240 |
case Token.LITERAL2:
|
241 |
if(backslash)
|
242 |
backslash = false;
|
243 |
else if(c == '\'') |
244 |
{ |
245 |
addToken(i1 - lastOffset,Token.LITERAL1); |
246 |
cmdState = 2; /*afterCmd*/ |
247 |
lastOffset = i1; |
248 |
token = Token.NULL; |
249 |
} |
250 |
else
|
251 |
backslash = false;
|
252 |
break;
|
253 |
case LVARIABLE:
|
254 |
backslash = false;
|
255 |
if(c == '}') |
256 |
{ |
257 |
addToken(i1 - lastOffset,Token.KEYWORD2); |
258 |
lastOffset = i1; |
259 |
token = Token.NULL; |
260 |
} |
261 |
break;
|
262 |
default:
|
263 |
throw new InternalError("Invalid state: " + token); |
264 |
} |
265 |
} |
266 |
|
267 |
switch(token)
|
268 |
{ |
269 |
case Token.NULL:
|
270 |
if(cmdState == 1) |
271 |
addToken(length - lastOffset,Token.KEYWORD1); |
272 |
else
|
273 |
addToken(length - lastOffset,token); |
274 |
break;
|
275 |
case Token.LITERAL2:
|
276 |
addToken(length - lastOffset,Token.LITERAL1); |
277 |
break;
|
278 |
case Token.KEYWORD2:
|
279 |
addToken(length - lastOffset,token); |
280 |
token = Token.NULL; |
281 |
break;
|
282 |
case LVARIABLE:
|
283 |
addToken(length - lastOffset,Token.INVALID); |
284 |
token = Token.NULL; |
285 |
break;
|
286 |
default:
|
287 |
addToken(length - lastOffset,token); |
288 |
break;
|
289 |
} |
290 |
return token;
|
291 |
} |
292 |
} |