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1
21
22 package org.armedbear.j;
23
24 public final class AutoconfFormatter extends Formatter
25 {
26 private static final int STATE_BACKQUOTE = STATE_LAST + 1;
27
28 private static final int AUTOCONF_FORMAT_TEXT = 0;
30 private static final int AUTOCONF_FORMAT_COMMENT = 1;
31 private static final int AUTOCONF_FORMAT_STRING = 2;
32 private static final int AUTOCONF_FORMAT_KEYWORD = 3;
33 private static final int AUTOCONF_FORMAT_FUNCTION = 4;
34
35 private static StringSet keywords;
36 private static StringSet functions;
37
38 private FastStringBuffer sb = new FastStringBuffer();
39 private String  token;
40
41 public AutoconfFormatter(Buffer buffer)
42 {
43 this.buffer = buffer;
44 if (functions == null)
45 functions = new StringSet(autoconfFunctions);
46 }
47
48 public LineSegmentList formatLine(Line line)
49 {
50 clearSegmentList();
51 if (line == null || line.length() == 0) {
52 addSegment("", AUTOCONF_FORMAT_TEXT);
53 return segmentList;
54 }
55 parseLine(line);
56 for (int i = 0; i < segmentList.size(); i++) {
57 LineSegment segment = segmentList.getSegment(i);
58 if (segment.getFormat() >= 0)
59 continue;
60 String s = segment.getText();
61 if (isKeyword(s))
62 segment.setFormat(AUTOCONF_FORMAT_KEYWORD);
63 else if (isFunction(s))
64 segment.setFormat(AUTOCONF_FORMAT_FUNCTION);
65 else
66 segment.setFormat(AUTOCONF_FORMAT_TEXT);
67 }
68 return segmentList;
69 }
70
71 private void endToken(int state)
72 {
73 if (sb.length() > 0) {
74 int format = -1;
75 switch (state) {
76 case STATE_NEUTRAL:
77 break;
78 case STATE_QUOTE:
79 case STATE_BACKQUOTE:
80 format = AUTOCONF_FORMAT_STRING;
81 break;
82 case STATE_IDENTIFIER:
83 break;
84 case STATE_COMMENT:
85 format = AUTOCONF_FORMAT_COMMENT;
86 break;
87 }
88 token = sb.toString();
89 addSegment(token, format);
90 sb.setLength(0);
91 }
92 }
93
94 private void parseLine(Line line)
95 {
96 String text = line.getText();
97 if (Editor.tabsAreVisible())
98 text = Utilities.makeTabsVisible(text, buffer.getTabWidth());
99 else
100 text = Utilities.detab(text, buffer.getTabWidth());
101 sb.setLength(0);
102 int i = 0;
103 int state = STATE_NEUTRAL;
104 final int limit = text.length();
105 while (i < limit) {
107 char c = text.charAt(i);
108 if (Character.isWhitespace(c)) {
109 sb.append(c);
110 ++i;
111 } else {
112 endToken(state);
113 break;
114 }
115 }
116 while (i < limit) {
117 char c = text.charAt(i);
118 if (state == STATE_QUOTE) {
119 if (c == '"') {
120 sb.append(c);
121 endToken(state);
122 state = STATE_NEUTRAL;
123 } else {
124 sb.append(c);
125
126 if (c == '\\' && i < limit - 1)
127 {
128 sb.append(text.charAt(++i));
130 }
131 }
132 ++i;
133 continue;
134 }
135 if (state == STATE_BACKQUOTE) {
136 sb.append(c);
137 if (c == '`') {
138 endToken(state);
139 state = STATE_NEUTRAL;
140 }
141 ++i;
142 continue;
143 }
144 if (c == '\\') {
146 sb.append(c);
148 if (++i < limit) {
149 sb.append(text.charAt(i));
150 ++i;
151 }
152 continue;
153 }
154 if (c == '"') {
155 endToken(state);
156 sb.append(c);
157 state = STATE_QUOTE;
158 ++i;
159 continue;
160 }
161 if (c == '`') {
162 endToken(state);
163 sb.append(c);
164 state = STATE_BACKQUOTE;
165 ++i;
166 continue;
167 }
168 if (state == STATE_IDENTIFIER) {
169 if (buffer.mode.isIdentifierPart(c))
170 sb.append(c);
171 else {
172 endToken(state);
174 if (token.equals("dnl")) {
175 state = STATE_COMMENT;
176 sb.append(text.substring(i));
177 endToken(state);
178 return;
179 }
180 state = STATE_NEUTRAL;
181 sb.append(c);
182 }
183 ++i;
184 continue;
185 }
186 if (state == STATE_NEUTRAL) {
187 if (c == '#') {
188 boolean isComment = false;
189 if (i == limit-1) {
190 isComment = true;
192 } else {
193 char nextChar = text.charAt(i + 1);
195 if (nextChar == ' ' || nextChar == '\t' ||
196 nextChar == '#' || nextChar == '!')
197 isComment = true;
198 }
199 if (isComment) {
200 state = STATE_COMMENT;
201 sb.append(text.substring(i));
202 endToken(state);
203 return; }
205 sb.append(c);
207 } else if (buffer.mode.isIdentifierStart(c)) {
208 endToken(state);
209 sb.append(c);
210 state = STATE_IDENTIFIER;
211 } else sb.append(c);
213 }
214 ++i;
215 }
216 endToken(state);
217 }
218
219 public FormatTable getFormatTable()
220 {
221 if (formatTable == null) {
222 formatTable = new FormatTable("AutoconfMode");
223 formatTable.addEntryFromPrefs(AUTOCONF_FORMAT_TEXT, "text");
224 formatTable.addEntryFromPrefs(AUTOCONF_FORMAT_COMMENT, "comment");
225 formatTable.addEntryFromPrefs(AUTOCONF_FORMAT_STRING, "string" );
226 formatTable.addEntryFromPrefs(AUTOCONF_FORMAT_KEYWORD, "keyword");
227 formatTable.addEntryFromPrefs(AUTOCONF_FORMAT_FUNCTION, "function");
228 }
229 return formatTable;
230 }
231
232 private final boolean isFunction(String s)
233 {
234 if (functions == null)
235 return false;
236 return functions.contains(s);
237 }
238
239 private static final String [] autoconfFunctions = {
240 "AC_AIX",
241 "AC_ALLOCA",
242 "AC_ARG_ARRAY",
243 "AC_ARG_ENABLE",
244 "AC_ARG_PROGRAM",
245 "AC_ARG_WITH",
246 "AC_BEFORE",
247 "AC_C_BIGENDIAN",
248 "AC_C_CHAR_UNSIGNED",
249 "AC_C_CONST",
250 "AC_C_CROSS",
251 "AC_C_INLINE",
252 "AC_C_LONG_DOUBLE",
253 "AC_C_STRINGIZE",
254 "AC_CACHE_CHECK",
255 "AC_CACHE_LOAD",
256 "AC_CACHE_SAVE",
257 "AC_CACHE_VAL",
258 "AC_CANONICAL_HOST",
259 "AC_CANONICAL_SYSTEM",
260 "AC_CHAR_UNSIGNED",
261 "AC_CHECK_FILE",
262 "AC_CHECK_FILES",
263 "AC_CHECK_FUNC",
264 "AC_CHECK_FUNCS",
265 "AC_CHECK_HEADER",
266 "AC_CHECK_HEADERS",
267 "AC_CHECK_LIB",
268 "AC_CHECK_PROG",
269 "AC_CHECK_PROGS",
270 "AC_CHECK_SIZEOF",
271 "AC_CHECK_TOOL",
272 "AC_CHECK_TYPE",
273 "AC_CHECKING",
274 "AC_COMPILE_CHECK",
275 "AC_CONFIG_AUX_DIR",
276 "AC_CONFIG_COMMANDS",
277 "AC_CONFIG_FILES",
278 "AC_CONFIG_HEADER",
279 "AC_CONFIG_SUBDIRS",
280 "AC_CONST",
281 "AC_CROSS_CHECK",
282 "AC_CYGWIN",
283 "AC_DECL_SYS_SIGLIST",
284 "AC_DECL_YYTEXT",
285 "AC_DEFINE",
286 "AC_DEFINE_UNQUOTED",
287 "AC_DEFUN",
288 "AC_DIR_HEADER",
289 "AC_DYNIX_SEQ",
290 "AC_EGREP_CPP",
291 "AC_EGREP_HEADER",
292 "AC_ENABLE",
293 "AC_ERROR",
294 "AC_EXEEXT",
295 "AC_F77_LIBRARY_LDFLAGS",
296 "AC_FIND_X",
297 "AC_FIND_XTRA",
298 "AC_FUNC_ALLOCA",
299 "AC_FUNC_CHECK",
300 "AC_FUNC_CLOSEDIR_VOID",
301 "AC_FUNC_FNMATCH",
302 "AC_FUNC_GETLOADAVG",
303 "AC_FUNC_GETMNTENT",
304 "AC_FUNC_GETPGRP",
305 "AC_FUNC_MEMCMP",
306 "AC_FUNC_MMAP",
307 "AC_FUNC_SELECT_ARGTYPES",
308 "AC_FUNC_SETPGRP",
309 "AC_FUNC_SETVBUF_REVERSED",
310 "AC_FUNC_STRCOLL",
311 "AC_FUNC_STRFTIME",
312 "AC_FUNC_UTIME_NULL",
313 "AC_FUNC_VFORK",
314 "AC_FUNC_VPRINTF",
315 "AC_FUNC_WAIT3",
316 "AC_GCC_TRADITIONAL",
317 "AC_GETGROUPS_T",
318 "AC_GETLOADAVG",
319 "AC_HAVE_FUNCS",
320 "AC_HAVE_HEADERS",
321 "AC_HAVE_LIBRARY",
322 "AC_HAVE_POUNDBANG",
323 "AC_HEADER_CHECK",
324 "AC_HEADER_DIRENT",
325 "AC_HEADER_EGREP",
326 "AC_HEADER_MAJOR",
327 "AC_HEADER_STAT",
328 "AC_HEADER_STDC",
329 "AC_HEADER_SYS_WAIT",
330 "AC_HEADER_TIME",
331 "AC_INIT",
332 "AC_INLINE",
333 "AC_INT_16_BITS",
334 "AC_IRIX_SUN",
335 "AC_ISC_POSIX",
336 "AC_LANG_C",
337 "AC_LANG_CPLUSPLUS",
338 "AC_LANG_FORTRAN77",
339 "AC_LANG_RESTORE",
340 "AC_LANG_SAVE",
341 "AC_LINK_FILES",
342 "AC_LN_S",
343 "AC_LONG_64_BITS",
344 "AC_LONG_DOUBLE",
345 "AC_LONG_FILE_NAMES",
346 "AC_MAJOR_HEADER",
347 "AC_MEMORY_H",
348 "AC_MINGW32",
349 "AC_MINIX",
350 "AC_MINUS_C_MINUS_O",
351 "AC_MMAP",
352 "AC_MODE_T",
353 "AC_MSG_CHECKING",
354 "AC_MSG_ERROR",
355 "AC_MSG_RESULT",
356 "AC_MSG_WARN",
357 "AC_OBJEXT",
358 "AC_OBSOLETE",
359 "AC_OFF_T",
360 "AC_OUTPUT",
361 "AC_OUTPUT_COMMANDS",
362 "AC_PATH_PROG",
363 "AC_PATH_PROGS",
364 "AC_PATH_X",
365 "AC_PATH_XTRA",
366 "AC_PID_T",
367 "AC_PREFIX",
368 "AC_PREFIX_PROGRAM",
369 "AC_PREREQ",
370 "AC_PROG_AWK",
371 "AC_PROG_CC",
372 "AC_PROG_CC_C_O",
373 "AC_PROG_CPP",
374 "AC_PROG_CXX",
375 "AC_PROG_CXXCPP",
376 "AC_PROG_F77_C_O",
377 "AC_PROG_FORTRAN",
378 "AC_PROG_GCC_TRADITIONAL",
379 "AC_PROG_INSTALL",
380 "AC_PROG_LEX",
381 "AC_PROG_LN_S",
382 "AC_PROG_MAKE_SET",
383 "AC_PROG_RANLIB",
384 "AC_PROG_YACC",
385 "AC_PROGRAM_CHECK",
386 "AC_PROGRAM_EGREP",
387 "AC_PROGRAM_PATH",
388 "AC_PROGRAMS_CHECK",
389 "AC_PROGRAMS_PATH",
390 "AC_PROVIDE",
391 "AC_REMOTE_TAPE",
392 "AC_REPLACE_FUNCS",
393 "AC_REQUIRE",
394 "AC_REQUIRE_CPP",
395 "AC_RESTARTABLE_SYSCALLS",
396 "AC_RETSIGTYPE",
397 "AC_REVISION",
398 "AC_RSH",
399 "AC_SCO_INTL",
400 "AC_SEARCH_LIBS",
401 "AC_SET_MAKE",
402 "AC_SETVBUF_REVERSED",
403 "AC_SIZE_T",
404 "AC_SIZEOF_TYPE",
405 "AC_ST_BLKSIZE",
406 "AC_ST_BLOCKS",
407 "AC_ST_RDEV",
408 "AC_STAT_MACROS_BROKEN",
409 "AC_STDC_HEADERS",
410 "AC_STRCOLL",
411 "AC_STRUCT_ST_BLKSIZE",
412 "AC_STRUCT_ST_BLOCKS",
413 "AC_STRUCT_ST_RDEV",
414 "AC_STRUCT_TIMEZONE",
415 "AC_STRUCT_TM",
416 "AC_SUBST",
417 "AC_SUBST_FILE",
418 "AC_SYS_INTERPRETER",
419 "AC_SYS_LONG_FILE_NAMES",
420 "AC_SYS_RESTARTABLE_SYSCALLS",
421 "AC_SYS_SIGLIST_DECLARED",
422 "AC_TEST_CPP",
423 "AC_TEST_PROGRAM",
424 "AC_TIME_WITH_SYS_TIME",
425 "AC_TIMEZONE",
426 "AC_TRY_COMPILE",
427 "AC_TRY_CPP",
428 "AC_TRY_LINK",
429 "AC_TRY_LINK_FUNC",
430 "AC_TRY_RUN",
431 "AC_TYPE_GETGROUPS",
432 "AC_TYPE_MODE_T",
433 "AC_TYPE_OFF_T",
434 "AC_TYPE_PID_T",
435 "AC_TYPE_SIGNAL",
436 "AC_TYPE_SIZE_T",
437 "AC_TYPE_UID_T",
438 "AC_UID_T",
439 "AC_UNISTD_H",
440 "AC_USG",
441 "AC_UTIME_NULL",
442 "AC_VALIDATE_CACHED_SYSTEM_TUPLE",
443 "AC_VERBOSE",
444 "AC_VFORK",
445 "AC_VPRINTF",
446 "AC_WAIT3",
447 "AC_WARN",
448 "AC_WITH",
449 "AC_WORDS_BIGENDIAN",
450 "AC_XENIX_DIR",
451 "AC_YYTEXT_POINTER",
452
453 "AM_CONDITIONAL",
455 "AM_CONFIG_HEADER",
456 "AM_INIT_AUTOMAKE",
457 "AM_MAINTAINER_MODE",
458 };
459 }
460 |
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