1 | # |
---|
2 | # RTEMS Tools Project (http://www.rtems.org/) |
---|
3 | # Copyright 2010-2013 Chris Johns (chrisj@rtems.org) |
---|
4 | # All rights reserved. |
---|
5 | # |
---|
6 | # This file is part of the RTEMS Tools package in 'rtems-tools'. |
---|
7 | # |
---|
8 | # Permission to use, copy, modify, and/or distribute this software for any |
---|
9 | # purpose with or without fee is hereby granted, provided that the above |
---|
10 | # copyright notice and this permission notice appear in all copies. |
---|
11 | # |
---|
12 | # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
---|
13 | # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
---|
14 | # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
---|
15 | # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
---|
16 | # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
---|
17 | # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
---|
18 | # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
---|
19 | |
---|
20 | # |
---|
21 | # Macro tables. |
---|
22 | # |
---|
23 | |
---|
24 | from __future__ import print_function |
---|
25 | |
---|
26 | import re |
---|
27 | import os |
---|
28 | import string |
---|
29 | |
---|
30 | from . import error |
---|
31 | from . import path |
---|
32 | |
---|
33 | # |
---|
34 | # Macro tables |
---|
35 | # |
---|
36 | class macros: |
---|
37 | |
---|
38 | class macro_iterator: |
---|
39 | def __init__(self, keys): |
---|
40 | self.keys = keys |
---|
41 | self.index = 0 |
---|
42 | |
---|
43 | def __iter__(self): |
---|
44 | return self |
---|
45 | |
---|
46 | def __next__(self): |
---|
47 | if self.index < len(self.keys): |
---|
48 | key = self.keys[self.index] |
---|
49 | self.index += 1 |
---|
50 | return key |
---|
51 | raise StopIteration |
---|
52 | |
---|
53 | def iterkeys(self): |
---|
54 | return self.keys |
---|
55 | |
---|
56 | @staticmethod |
---|
57 | def _unicode_to_str(us): |
---|
58 | try: |
---|
59 | if type(us) == unicode: |
---|
60 | return us.encode('ascii', 'replace') |
---|
61 | except: |
---|
62 | pass |
---|
63 | try: |
---|
64 | if type(us) == bytes: |
---|
65 | return us.encode('ascii', 'replace') |
---|
66 | except: |
---|
67 | pass |
---|
68 | return us |
---|
69 | |
---|
70 | def __init__(self, name = None, original = None, sbdir = '.'): |
---|
71 | self.files = [] |
---|
72 | self.macro_filter = re.compile(r'%{[^}]+}') |
---|
73 | if original is None: |
---|
74 | self.macros = {} |
---|
75 | self.read_maps = [] |
---|
76 | self.read_map_locked = False |
---|
77 | self.write_map = 'global' |
---|
78 | self.macros['global'] = {} |
---|
79 | self.macros['global']['_cwd'] = ('dir', 'required', path.abspath(os.getcwd())) |
---|
80 | self.macros['global']['_sbdir'] = ('dir', 'required', path.abspath(sbdir)) |
---|
81 | self.macros['global']['_sbtop'] = ('dir', 'required', path.abspath(path.dirname(sbdir))) |
---|
82 | else: |
---|
83 | self.macros = {} |
---|
84 | for m in original.macros: |
---|
85 | if m not in self.macros: |
---|
86 | self.macros[m] = {} |
---|
87 | for k in original.macros[m]: |
---|
88 | self.macros[m][k] = original.macros[m][k] |
---|
89 | self.read_maps = sorted(original.read_maps) |
---|
90 | self.read_map_locked = original.read_map_locked |
---|
91 | self.write_map = original.write_map |
---|
92 | if name is not None: |
---|
93 | self.load(name) |
---|
94 | |
---|
95 | def __copy__(self): |
---|
96 | return macros(original = self) |
---|
97 | |
---|
98 | def __str__(self): |
---|
99 | text_len = 80 |
---|
100 | text = '' |
---|
101 | for f in self.files: |
---|
102 | text += '> %s%s' % (f, os.linesep) |
---|
103 | maps = sorted(self.macros) |
---|
104 | maps.remove('global') |
---|
105 | maps += ['global'] |
---|
106 | for map in maps: |
---|
107 | text += '[%s]%s' % (map, os.linesep) |
---|
108 | for k in sorted(self.macros[map].keys()): |
---|
109 | d = self.macros[map][k] |
---|
110 | text += " %s:%s '%s'%s '%s'%s" % \ |
---|
111 | (k, ' ' * (20 - len(k)), |
---|
112 | d[0], ' ' * (8 - len(d[0])), |
---|
113 | d[1], ' ' * (10 - len(d[1]))) |
---|
114 | if len(d[2]) == 0: |
---|
115 | text += "''%s" % (os.linesep) |
---|
116 | else: |
---|
117 | if '\n' in d[2]: |
---|
118 | text += "'''" |
---|
119 | else: |
---|
120 | text += "'" |
---|
121 | indent = False |
---|
122 | ds = d[2].split('\n') |
---|
123 | lc = 0 |
---|
124 | for l in ds: |
---|
125 | lc += 1 |
---|
126 | l = self._unicode_to_str(l) |
---|
127 | while len(l): |
---|
128 | if indent: |
---|
129 | text += ' %21s %10s %12s' % (' ', ' ', ' ') |
---|
130 | text += l[0:text_len] |
---|
131 | l = l[text_len:] |
---|
132 | if len(l): |
---|
133 | text += ' \\' |
---|
134 | elif lc == len(ds): |
---|
135 | if len(ds) > 1: |
---|
136 | text += "'''" |
---|
137 | else: |
---|
138 | text += "'" |
---|
139 | text += '%s' % (os.linesep) |
---|
140 | indent = True |
---|
141 | return text |
---|
142 | |
---|
143 | def __iter__(self): |
---|
144 | return macros.macro_iterator(list(self.keys())) |
---|
145 | |
---|
146 | def __getitem__(self, key): |
---|
147 | macro = self.get(key) |
---|
148 | if macro is None or macro[1] == 'undefine': |
---|
149 | raise IndexError('key: %s' % (key)) |
---|
150 | return macro[2] |
---|
151 | |
---|
152 | def __setitem__(self, key, value): |
---|
153 | key = self._unicode_to_str(key) |
---|
154 | if type(key) is not str: |
---|
155 | raise TypeError('bad key type (want str): %s (%s)' % (type(key), key)) |
---|
156 | if type(value) is not tuple: |
---|
157 | value = self._unicode_to_str(value) |
---|
158 | if type(value) is str: |
---|
159 | value = ('none', 'none', value) |
---|
160 | if type(value) is not tuple: |
---|
161 | raise TypeError('bad value type (want tuple): %s' % (type(value))) |
---|
162 | if len(value) != 3: |
---|
163 | raise TypeError('bad value tuple (len not 3): %d' % (len(value))) |
---|
164 | value = (self._unicode_to_str(value[0]), |
---|
165 | self._unicode_to_str(value[1]), |
---|
166 | self._unicode_to_str(value[2])) |
---|
167 | if type(value[0]) is not str: |
---|
168 | raise TypeError('bad value tuple type field: %s' % (type(value[0]))) |
---|
169 | if type(value[1]) is not str: |
---|
170 | raise TypeError('bad value tuple attrib field: %s' % (type(value[1]))) |
---|
171 | if type(value[2]) is not str: |
---|
172 | raise TypeError('bad value tuple value field: %s' % (type(value[2]))) |
---|
173 | if value[0] not in ['none', 'triplet', 'dir', 'file', 'exe']: |
---|
174 | raise TypeError('bad value tuple (type field): %s' % (value[0])) |
---|
175 | if value[1] not in ['none', 'optional', 'required', |
---|
176 | 'override', 'undefine', 'convert']: |
---|
177 | raise TypeError('bad value tuple (attrib field): %s' % (value[1])) |
---|
178 | if value[1] == 'convert': |
---|
179 | value = (value[0], value[1], self.expand(value[2])) |
---|
180 | self.macros[self.write_map][self.key_filter(key)] = value |
---|
181 | |
---|
182 | def __delitem__(self, key): |
---|
183 | self.undefine(key) |
---|
184 | |
---|
185 | def __contains__(self, key): |
---|
186 | return self.has_key(self._unicode_to_str(key)) |
---|
187 | |
---|
188 | def __len__(self): |
---|
189 | return len(list(self.keys())) |
---|
190 | |
---|
191 | def keys(self, globals = True): |
---|
192 | if globals: |
---|
193 | keys = list(self.macros['global'].keys()) |
---|
194 | else: |
---|
195 | keys = [] |
---|
196 | for rm in self.get_read_maps(): |
---|
197 | for mk in self.macros[rm]: |
---|
198 | if self.macros[rm][mk][1] == 'undefine': |
---|
199 | if mk in keys: |
---|
200 | keys.remove(mk) |
---|
201 | else: |
---|
202 | keys.append(mk) |
---|
203 | return sorted(set(keys)) |
---|
204 | |
---|
205 | def has_key(self, key): |
---|
206 | key = self._unicode_to_str(key) |
---|
207 | if type(key) is not str: |
---|
208 | raise TypeError('bad key type (want str): %s' % (type(key))) |
---|
209 | if self.key_filter(key) not in list(self.keys()): |
---|
210 | return False |
---|
211 | return True |
---|
212 | |
---|
213 | def create_map(self, _map): |
---|
214 | if _map not in self.macros: |
---|
215 | self.macros[_map] = {} |
---|
216 | |
---|
217 | def delete_map(self, _map): |
---|
218 | if _map in self.macros: |
---|
219 | self.macros.pop(_map, None) |
---|
220 | |
---|
221 | def maps(self): |
---|
222 | return list(self.macros.keys()) |
---|
223 | |
---|
224 | def map_keys(self, _map): |
---|
225 | if _map in self.macros: |
---|
226 | return sorted(self.macros[_map].keys()) |
---|
227 | return [] |
---|
228 | |
---|
229 | def map_num_keys(self, _map): |
---|
230 | return len(self.map_keys(_map)) |
---|
231 | |
---|
232 | def get_read_maps(self): |
---|
233 | return [rm[5:] for rm in self.read_maps] |
---|
234 | |
---|
235 | def key_filter(self, key): |
---|
236 | if key.startswith('%{') and key[-1] == '}': |
---|
237 | key = key[2:-1] |
---|
238 | return key.lower() |
---|
239 | |
---|
240 | def parse(self, lines): |
---|
241 | |
---|
242 | def _clean(l): |
---|
243 | if '#' in l: |
---|
244 | l = l[:l.index('#')] |
---|
245 | if '\r' in l: |
---|
246 | l = l[:l.index('r')] |
---|
247 | if '\n' in l: |
---|
248 | l = l[:l.index('\n')] |
---|
249 | return l.strip() |
---|
250 | |
---|
251 | trace_me = False |
---|
252 | if trace_me: |
---|
253 | print('[[[[]]]] parsing macros') |
---|
254 | macros = { 'global': {} } |
---|
255 | map = 'global' |
---|
256 | lc = 0 |
---|
257 | state = 'key' |
---|
258 | token = '' |
---|
259 | macro = [] |
---|
260 | for l in lines: |
---|
261 | lc += 1 |
---|
262 | #print 'l:%s' % (l[:-1]) |
---|
263 | if len(l) == 0: |
---|
264 | continue |
---|
265 | l = self._unicode_to_str(l) |
---|
266 | l_remaining = l |
---|
267 | for c in l: |
---|
268 | if trace_me: |
---|
269 | print(']]]]]]]] c:%s(%d) s:%s t:"%s" m:%r M:%s' % \ |
---|
270 | (c, ord(c), state, token, macro, map)) |
---|
271 | l_remaining = l_remaining[1:] |
---|
272 | if c == '#' and not state.startswith('value'): |
---|
273 | break |
---|
274 | if c == '\n' or c == '\r': |
---|
275 | if not (state == 'key' and len(token) == 0) and \ |
---|
276 | not state.startswith('value-multiline'): |
---|
277 | raise error.general('malformed macro line:%d: %s' % (lc, l)) |
---|
278 | if state == 'key': |
---|
279 | if c not in string.whitespace: |
---|
280 | if c == '[': |
---|
281 | state = 'map' |
---|
282 | elif c == '%': |
---|
283 | state = 'directive' |
---|
284 | elif c == ':': |
---|
285 | macro += [token] |
---|
286 | token = '' |
---|
287 | state = 'attribs' |
---|
288 | elif c == '#': |
---|
289 | break |
---|
290 | else: |
---|
291 | token += c |
---|
292 | elif state == 'map': |
---|
293 | if c == ']': |
---|
294 | if token not in macros: |
---|
295 | macros[token] = {} |
---|
296 | map = token |
---|
297 | token = '' |
---|
298 | state = 'key' |
---|
299 | elif c in string.printable and c not in string.whitespace: |
---|
300 | token += c |
---|
301 | else: |
---|
302 | raise error.general('invalid macro map:%d: %s' % (lc, l)) |
---|
303 | elif state == 'directive': |
---|
304 | if c in string.whitespace: |
---|
305 | if token == 'include': |
---|
306 | self.load(_clean(l_remaining)) |
---|
307 | token = '' |
---|
308 | state = 'key' |
---|
309 | break |
---|
310 | elif c in string.printable and c not in string.whitespace: |
---|
311 | token += c |
---|
312 | else: |
---|
313 | raise error.general('invalid macro directive:%d: %s' % (lc, l)) |
---|
314 | elif state == 'include': |
---|
315 | if c is string.whitespace: |
---|
316 | if token == 'include': |
---|
317 | state = 'include' |
---|
318 | elif c in string.printable and c not in string.whitespace: |
---|
319 | token += c |
---|
320 | else: |
---|
321 | raise error.general('invalid macro directive:%d: %s' % (lc, l)) |
---|
322 | elif state == 'attribs': |
---|
323 | if c not in string.whitespace: |
---|
324 | if c == ',': |
---|
325 | macro += [token] |
---|
326 | token = '' |
---|
327 | if len(macro) == 3: |
---|
328 | state = 'value-start' |
---|
329 | else: |
---|
330 | token += c |
---|
331 | elif state == 'value-start': |
---|
332 | if c == "'": |
---|
333 | state = 'value-line-start' |
---|
334 | elif state == 'value-line-start': |
---|
335 | if c == "'": |
---|
336 | state = 'value-multiline-start' |
---|
337 | else: |
---|
338 | state = 'value-line' |
---|
339 | token += c |
---|
340 | elif state == 'value-multiline-start': |
---|
341 | if c == "'": |
---|
342 | state = 'value-multiline' |
---|
343 | else: |
---|
344 | macro += [token] |
---|
345 | state = 'macro' |
---|
346 | elif state == 'value-line': |
---|
347 | if c == "'": |
---|
348 | macro += [token] |
---|
349 | state = 'macro' |
---|
350 | else: |
---|
351 | token += c |
---|
352 | elif state == 'value-multiline': |
---|
353 | if c == "'": |
---|
354 | state = 'value-multiline-end' |
---|
355 | else: |
---|
356 | token += c |
---|
357 | elif state == 'value-multiline-end': |
---|
358 | if c == "'": |
---|
359 | state = 'value-multiline-end-end' |
---|
360 | else: |
---|
361 | state = 'value-multiline' |
---|
362 | token += "'" + c |
---|
363 | elif state == 'value-multiline-end-end': |
---|
364 | if c == "'": |
---|
365 | macro += [token] |
---|
366 | state = 'macro' |
---|
367 | else: |
---|
368 | state = 'value-multiline' |
---|
369 | token += "''" + c |
---|
370 | else: |
---|
371 | raise error.internal('bad state: %s' % (state)) |
---|
372 | if state == 'macro': |
---|
373 | macros[map][self._unicode_to_str(macro[0].lower())] = \ |
---|
374 | (self._unicode_to_str(macro[1]), |
---|
375 | self._unicode_to_str(macro[2]), |
---|
376 | self._unicode_to_str(macro[3])) |
---|
377 | macro = [] |
---|
378 | token = '' |
---|
379 | state = 'key' |
---|
380 | for m in macros: |
---|
381 | if m not in self.macros: |
---|
382 | self.macros[m] = {} |
---|
383 | for mm in macros[m]: |
---|
384 | self.macros[m][mm] = macros[m][mm] |
---|
385 | |
---|
386 | def load(self, name): |
---|
387 | names = self.expand(name).split(':') |
---|
388 | for n in names: |
---|
389 | if path.exists(n): |
---|
390 | try: |
---|
391 | mc = open(path.host(n), 'r') |
---|
392 | macros = self.parse(mc) |
---|
393 | mc.close() |
---|
394 | self.files += [n] |
---|
395 | return |
---|
396 | except IOError as err: |
---|
397 | pass |
---|
398 | raise error.general('opening macro file: %s' % \ |
---|
399 | (path.host(self.expand(name)))) |
---|
400 | |
---|
401 | def get(self, key, globals = True, maps = None): |
---|
402 | key = self._unicode_to_str(key) |
---|
403 | if type(key) is not str: |
---|
404 | raise TypeError('bad key type: %s' % (type(key))) |
---|
405 | key = self.key_filter(key) |
---|
406 | if maps is None: |
---|
407 | maps = self.get_read_maps() |
---|
408 | else: |
---|
409 | if type(maps) is str: |
---|
410 | maps = [maps] |
---|
411 | if type(maps) != list: |
---|
412 | raise TypeError('bad maps type: %s' % (type(map))) |
---|
413 | for rm in maps: |
---|
414 | if key in self.macros[rm]: |
---|
415 | return self.macros[rm][key] |
---|
416 | if globals and key in self.macros['global']: |
---|
417 | return self.macros['global'][key] |
---|
418 | return None |
---|
419 | |
---|
420 | def get_type(self, key): |
---|
421 | m = self.get(key) |
---|
422 | if m is None: |
---|
423 | return None |
---|
424 | return m[0] |
---|
425 | |
---|
426 | def get_attribute(self, key): |
---|
427 | m = self.get(key) |
---|
428 | if m is None: |
---|
429 | return None |
---|
430 | return m[1] |
---|
431 | |
---|
432 | def get_value(self, key): |
---|
433 | m = self.get(key) |
---|
434 | if m is None: |
---|
435 | return None |
---|
436 | return m[2] |
---|
437 | |
---|
438 | def overridden(self, key): |
---|
439 | return self.get_attribute(key) == 'override' |
---|
440 | |
---|
441 | def define(self, key, value = '1'): |
---|
442 | self.__setitem__(key, ('none', 'none', value)) |
---|
443 | |
---|
444 | def undefine(self, key): |
---|
445 | key = self._unicode_to_str(key) |
---|
446 | if type(key) is not str: |
---|
447 | raise TypeError('bad key type: %s' % (type(key))) |
---|
448 | key = self.key_filter(key) |
---|
449 | for map in self.macros: |
---|
450 | if key in self.macros[map]: |
---|
451 | del self.macros[map][key] |
---|
452 | |
---|
453 | def defined(self, key, globals = True, maps = None): |
---|
454 | return self.get(key, globals, maps) is not None |
---|
455 | |
---|
456 | def expand(self, _str): |
---|
457 | """Simple basic expander of config file macros.""" |
---|
458 | _str = self._unicode_to_str(_str) |
---|
459 | expanded = True |
---|
460 | while expanded: |
---|
461 | expanded = False |
---|
462 | for m in self.macro_filter.findall(_str): |
---|
463 | name = m[2:-1] |
---|
464 | macro = self.get(name) |
---|
465 | if macro is None: |
---|
466 | raise error.general('cannot expand default macro: %s in "%s"' % |
---|
467 | (m, _str)) |
---|
468 | _str = _str.replace(m, macro[2]) |
---|
469 | expanded = True |
---|
470 | return _str |
---|
471 | |
---|
472 | def find(self, regex, globals = True): |
---|
473 | what = re.compile(regex) |
---|
474 | keys = [] |
---|
475 | for key in self.keys(globals): |
---|
476 | if what.match(key): |
---|
477 | keys += [key] |
---|
478 | return keys |
---|
479 | |
---|
480 | def set_read_map(self, _map): |
---|
481 | if not self.read_map_locked: |
---|
482 | if _map in self.macros: |
---|
483 | if _map not in self.get_read_maps(): |
---|
484 | rm = '%04d_%s' % (len(self.read_maps), _map) |
---|
485 | self.read_maps = sorted(self.read_maps + [rm]) |
---|
486 | return True |
---|
487 | return False |
---|
488 | |
---|
489 | def unset_read_map(self, _map): |
---|
490 | if not self.read_map_locked: |
---|
491 | if _map in self.get_read_maps(): |
---|
492 | for i in range(0, len(self.read_maps)): |
---|
493 | if '%04d_%s' % (i, _map) == self.read_maps[i]: |
---|
494 | self.read_maps.pop(i) |
---|
495 | return True |
---|
496 | return False |
---|
497 | |
---|
498 | def set_write_map(self, map): |
---|
499 | if map in self.macros: |
---|
500 | self.write_map = map |
---|
501 | return True |
---|
502 | return False |
---|
503 | |
---|
504 | def unset_write_map(self): |
---|
505 | self.write_map = 'global' |
---|
506 | |
---|
507 | def lock_read_map(self): |
---|
508 | self.read_map_locked = True |
---|
509 | |
---|
510 | def unlock_read_map(self): |
---|
511 | self.read_map_locked = False |
---|
512 | |
---|
513 | if __name__ == "__main__": |
---|
514 | import copy |
---|
515 | import sys |
---|
516 | m = macros() |
---|
517 | d = copy.copy(m) |
---|
518 | m['test1'] = 'something' |
---|
519 | if 'test1' in d: |
---|
520 | print('error: copy failed.') |
---|
521 | sys.exit(1) |
---|
522 | m.parse("[test]\n" \ |
---|
523 | "test1: none, undefine, ''\n" \ |
---|
524 | "name: none, override, 'pink'\n") |
---|
525 | print('set test:', m.set_read_map('test')) |
---|
526 | if m['name'] != 'pink': |
---|
527 | print('error: override failed. name is %s' % (m['name'])) |
---|
528 | sys.exit(1) |
---|
529 | if 'test1' in m: |
---|
530 | print('error: map undefine failed.') |
---|
531 | sys.exit(1) |
---|
532 | print('unset test:', m.unset_read_map('test')) |
---|
533 | print(m) |
---|
534 | print(list(m.keys())) |
---|