generic text markup tools
| Revisión | a108d1a6634b0764d75500470ed232ab98be1698 (tree) |
|---|---|
| Tiempo | 2013-04-04 20:04:40 |
| Autor | hylom <hylom@hylo...> |
| Commiter | hylom |
rewriting textparser...
textparser.py (diff)| @@ -3,71 +3,53 @@ | ||
| 3 | 3 | |
| 4 | 4 | import re |
| 5 | 5 | |
| 6 | +def CreateMode(lexi, mode_name): | |
| 7 | + return Mode(lexi, mode_name) | |
| 6 | 8 | |
| 7 | -class Mode(dict): | |
| 8 | - def __init__(self, modes, defs): | |
| 9 | - self.update(defs) | |
| 10 | - self.modes = modes | |
| 11 | 9 | |
| 12 | - def check_to_exit(self, text): | |
| 13 | - rex = self.get("end", False) | |
| 10 | +class ModeBase(dict): | |
| 11 | + def __init__(self, lexi, mode_name): | |
| 12 | + self.lexi = lexi | |
| 13 | + modes = lexi.get("modes") | |
| 14 | + self.update(modes[mode_name]) | |
| 15 | + | |
| 16 | + def match(self, key, text): | |
| 17 | + rex = self.get(key, False) | |
| 14 | 18 | if rex and re.search(rex, text): |
| 15 | 19 | return True |
| 16 | 20 | else: |
| 17 | 21 | return False |
| 18 | 22 | |
| 19 | - def exit(self): | |
| 20 | - if "onFinished" in self: | |
| 21 | - m = self["onFinished"] | |
| 22 | - if "insert" in m: | |
| 23 | - self._write(m["insert"]) | |
| 24 | - if "replace" in m: | |
| 25 | - text = m["replace"] | |
| 26 | - if len(self.mode_stack) == 0: | |
| 27 | - return text | |
| 28 | - mode = self.mode_stack[-1] | |
| 23 | + def has_element(self, key): | |
| 24 | + return (key in self) | |
| 29 | 25 | |
| 26 | + def write(self, text): | |
| 27 | + self.writer.write(text) | |
| 30 | 28 | |
| 31 | - def apply(self, text): | |
| 32 | - if self._check_to_exit(mode, text): | |
| 33 | - if "onFinished" in self: | |
| 34 | - m = self["onFinished"] | |
| 35 | - if "insert" in m: | |
| 36 | - self._write(m["insert"]) | |
| 37 | - if "replace" in m: | |
| 38 | - text = m["replace"] | |
| 39 | - if len(self.mode_stack) == 0: | |
| 40 | - return text | |
| 41 | - mode = self.mode_stack[-1] | |
| 29 | +class Mode(dict): | |
| 30 | + def __init__(self, lexi, writer, defs): | |
| 31 | + ModeBase.__init__(self, lexi, writer) | |
| 32 | + self.update(defs) | |
| 42 | 33 | |
| 43 | - next_mode = self._transition_check(mode, text) | |
| 44 | - if next_mode: | |
| 45 | - self._transition(next_mode) | |
| 46 | - mode = next_mode | |
| 47 | - if "onStart" in self.modeOf(mode): | |
| 48 | - m = self.modeOf(mode)["onStart"] | |
| 49 | - if "insert" in m: | |
| 50 | - self._write(m["insert"]) | |
| 34 | + def mode_end_check(self, text): | |
| 35 | + return self.match("end", text) | |
| 51 | 36 | |
| 52 | - rules = self.rulesOf(mode) | |
| 53 | - for key in self._sorted_keys(rules): | |
| 54 | - rule = rules[key] | |
| 55 | - if rule.get('pass', False): | |
| 56 | - continue | |
| 57 | - if 'regexp' in rule: | |
| 58 | - rex = re.compile(rule['regexp']) | |
| 59 | - match = rex.search(text) | |
| 60 | - if match: | |
| 61 | - sub_rule = rule.get('apply', False) | |
| 62 | - if sub_rule: | |
| 63 | - text = self._apply_rules(sub_rule, text) | |
| 64 | - text = self._do_action(mode, text, rule, rex, match) | |
| 65 | - if not rule.get('continue', True): | |
| 66 | - break | |
| 67 | 37 | |
| 68 | - return text | |
| 38 | +class ModeStack(object): | |
| 39 | + def __init__(self): | |
| 40 | + self.stack = [] | |
| 41 | + | |
| 42 | + def push(self, mode): | |
| 43 | + self.stack.append(mode) | |
| 69 | 44 | |
| 45 | + def pop(self): | |
| 46 | + return self.stack.pop() | |
| 70 | 47 | |
| 48 | + def current(self): | |
| 49 | + try: | |
| 50 | + return self.mode_stack[-1] | |
| 51 | + except IndexError: | |
| 52 | + return False | |
| 71 | 53 | |
| 72 | 54 | class Store(dict): |
| 73 | 55 | def __init__(self): |
| @@ -109,17 +91,18 @@ class Parser(object): | ||
| 109 | 91 | @return TextWriter object |
| 110 | 92 | """ |
| 111 | 93 | self.lexi = lexi |
| 112 | - self.mode_stack = ["global", ] | |
| 94 | +# self.mode_stack = ["global", ] | |
| 95 | + self.mode_stack = ModeStack() | |
| 96 | + mode_global = CreateMode(self.lexi, "global") | |
| 97 | + self.mode_stack.push(mode_global) | |
| 98 | + | |
| 113 | 99 | self.store = Store() |
| 114 | 100 | self.functions = { |
| 115 | 101 | # "getImageGeom": getImageGeom, |
| 116 | 102 | } |
| 117 | 103 | |
| 118 | - def currentMode(self): | |
| 119 | - try: | |
| 120 | - return self.mode_stack[-1] | |
| 121 | - except IndexError: | |
| 122 | - return False | |
| 104 | + def current_mode(self): | |
| 105 | + return self.mode_stack.current() | |
| 123 | 106 | |
| 124 | 107 | def markup(self, iter_in, stream_out): |
| 125 | 108 | """read from iter_in and output to stream_out |
| @@ -225,7 +208,7 @@ class Parser(object): | ||
| 225 | 208 | text = self._expand_variable(mode, text) |
| 226 | 209 | return text |
| 227 | 210 | |
| 228 | - def _apply_rules2(self, mode, text): | |
| 211 | + def _apply_rules(self, mode, text): | |
| 229 | 212 | # check global rule |
| 230 | 213 | gi = self.lexi.get("globalIdentifier", False) |
| 231 | 214 | if gi: |
| @@ -234,13 +217,17 @@ class Parser(object): | ||
| 234 | 217 | self.store.save_global(m_gvi.group(1), m_gvi.group(2)) |
| 235 | 218 | return '' |
| 236 | 219 | |
| 237 | - # extends | |
| 238 | - if "extends" in self.modeOf(mode): | |
| 239 | - pass | |
| 240 | - | |
| 241 | - if mode.check_to_exit(mode, text): | |
| 242 | - mode.exit() | |
| 220 | + if self._mode_end_check(mode, text): | |
| 243 | 221 | self._mode_exit() |
| 222 | + if "onFinished" in self.modeOf(mode): | |
| 223 | + m = self.modeOf(mode)["onFinished"] | |
| 224 | + if "insert" in m: | |
| 225 | + self._write(m["insert"]) | |
| 226 | + if "replace" in m: | |
| 227 | + text = m["replace"] | |
| 228 | + if len(self.mode_stack) == 0: | |
| 229 | + return text | |
| 230 | + mode = self.mode_stack[-1] | |
| 244 | 231 | |
| 245 | 232 | next_mode = self._transition_check(mode, text) |
| 246 | 233 | if next_mode: |
| @@ -269,8 +256,7 @@ class Parser(object): | ||
| 269 | 256 | |
| 270 | 257 | return text |
| 271 | 258 | |
| 272 | - | |
| 273 | - def _apply_rules(self, mode, text): | |
| 259 | + def _apply_rules2(self, text): | |
| 274 | 260 | # check global rule |
| 275 | 261 | gi = self.lexi.get("globalIdentifier", False) |
| 276 | 262 | if gi: |
| @@ -279,26 +265,24 @@ class Parser(object): | ||
| 279 | 265 | self.store.save_global(m_gvi.group(1), m_gvi.group(2)) |
| 280 | 266 | return '' |
| 281 | 267 | |
| 282 | - if self._mode_end_check(mode, text): | |
| 283 | - self._mode_exit() | |
| 284 | - if "onFinished" in self.modeOf(mode): | |
| 285 | - m = self.modeOf(mode)["onFinished"] | |
| 268 | + mode = self.current_mode() | |
| 269 | + if mode.mode_end_check(text): | |
| 270 | + if mode.has_element("onFinished"): | |
| 271 | + m = mode.get("onFinished") | |
| 286 | 272 | if "insert" in m: |
| 287 | 273 | self._write(m["insert"]) |
| 288 | 274 | if "replace" in m: |
| 289 | 275 | text = m["replace"] |
| 290 | - if len(self.mode_stack) == 0: | |
| 291 | - return text | |
| 292 | - mode = self.mode_stack[-1] | |
| 293 | 276 | |
| 294 | - next_mode = self._transition_check(mode, text) | |
| 295 | - if next_mode: | |
| 296 | - self._transition(next_mode) | |
| 297 | - mode = next_mode | |
| 298 | - if "onStart" in self.modeOf(mode): | |
| 299 | - m = self.modeOf(mode)["onStart"] | |
| 300 | - if "insert" in m: | |
| 301 | - self._write(m["insert"]) | |
| 277 | + self.mode_stack.pop() | |
| 278 | + if len(self.mode_stack) > 0: | |
| 279 | + # start next mode | |
| 280 | + if self.current().hasElement("onStart"): | |
| 281 | + m = self.current()["onStart"] | |
| 282 | + if "insert" in m: | |
| 283 | + self._write(m["insert"]) | |
| 284 | + text = self._apply_rules2(text) | |
| 285 | + return text | |
| 302 | 286 | |
| 303 | 287 | rules = self.rulesOf(mode) |
| 304 | 288 | for key in self._sorted_keys(rules): |
| @@ -319,5 +303,7 @@ class Parser(object): | ||
| 319 | 303 | return text |
| 320 | 304 | |
| 321 | 305 | |
| 306 | + | |
| 307 | + | |
| 322 | 308 | def getImageGeom(context, filename): |
| 323 | 309 | return [('width', str(128)), ('height', str(256))] |
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