paul@11 | 1 | #!/usr/bin/env python |
paul@11 | 2 | |
paul@11 | 3 | """ |
paul@11 | 4 | Moin wiki format document tree nodes. |
paul@11 | 5 | |
paul@46 | 6 | Copyright (C) 2017, 2018 Paul Boddie <paul@boddie.org.uk> |
paul@11 | 7 | |
paul@11 | 8 | This program is free software; you can redistribute it and/or modify it under |
paul@11 | 9 | the terms of the GNU General Public License as published by the Free Software |
paul@11 | 10 | Foundation; either version 3 of the License, or (at your option) any later |
paul@11 | 11 | version. |
paul@11 | 12 | |
paul@11 | 13 | This program is distributed in the hope that it will be useful, but WITHOUT |
paul@11 | 14 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
paul@11 | 15 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
paul@11 | 16 | details. |
paul@11 | 17 | |
paul@11 | 18 | You should have received a copy of the GNU General Public License along with |
paul@11 | 19 | this program. If not, see <http://www.gnu.org/licenses/>. |
paul@11 | 20 | """ |
paul@11 | 21 | |
paul@11 | 22 | class Container: |
paul@11 | 23 | |
paul@11 | 24 | "A container of document nodes." |
paul@11 | 25 | |
paul@11 | 26 | def __init__(self, nodes): |
paul@11 | 27 | self.nodes = nodes |
paul@11 | 28 | |
paul@67 | 29 | # In principle, allow blocks within containers. Some nodes may forbid |
paul@67 | 30 | # them to simplify the document structure. |
paul@67 | 31 | |
paul@67 | 32 | self.allow_blocks = True |
paul@67 | 33 | |
paul@11 | 34 | def append(self, node): |
paul@11 | 35 | self.nodes.append(node) |
paul@11 | 36 | |
paul@24 | 37 | def append_many(self, nodes): |
paul@24 | 38 | for node in nodes: |
paul@24 | 39 | self.append(node) |
paul@24 | 40 | |
paul@15 | 41 | add = append |
paul@15 | 42 | |
paul@17 | 43 | append_inline = append |
paul@11 | 44 | |
paul@24 | 45 | def append_inline_many(self, nodes): |
paul@24 | 46 | for node in nodes: |
paul@24 | 47 | self.append_inline(node) |
paul@24 | 48 | |
paul@11 | 49 | def empty(self): |
paul@11 | 50 | return not self.nodes |
paul@11 | 51 | |
paul@15 | 52 | def node(self, index): |
paul@15 | 53 | try: |
paul@15 | 54 | return self.nodes[index] |
paul@15 | 55 | except IndexError: |
paul@15 | 56 | return None |
paul@14 | 57 | |
paul@11 | 58 | def normalise(self): |
paul@11 | 59 | |
paul@11 | 60 | "Combine adjacent text nodes." |
paul@11 | 61 | |
paul@11 | 62 | nodes = self.nodes |
paul@11 | 63 | self.nodes = [] |
paul@11 | 64 | text = None |
paul@11 | 65 | |
paul@11 | 66 | for node in nodes: |
paul@11 | 67 | |
paul@11 | 68 | # Open a text node or merge text into an open node. |
paul@11 | 69 | |
paul@11 | 70 | if isinstance(node, Text): |
paul@11 | 71 | if not text: |
paul@11 | 72 | text = node |
paul@11 | 73 | else: |
paul@11 | 74 | text.merge(node) |
paul@11 | 75 | |
paul@11 | 76 | # Close any open text node and append the current node. |
paul@11 | 77 | |
paul@11 | 78 | else: |
paul@11 | 79 | if text: |
paul@11 | 80 | self.append(text) |
paul@11 | 81 | text = None |
paul@11 | 82 | self.append(node) |
paul@11 | 83 | |
paul@11 | 84 | # Add any open text node. |
paul@11 | 85 | |
paul@11 | 86 | if text: |
paul@11 | 87 | self.append(text) |
paul@11 | 88 | |
paul@11 | 89 | def __str__(self): |
paul@11 | 90 | return self.prettyprint() |
paul@11 | 91 | |
paul@16 | 92 | def _prettyprint(self, l, indent=""): |
paul@16 | 93 | for node in self.nodes: |
paul@16 | 94 | l.append(node.prettyprint(indent + " ")) |
paul@16 | 95 | return "\n".join(l) |
paul@16 | 96 | |
paul@16 | 97 | def _to_string(self, out): |
paul@16 | 98 | for node in self.nodes: |
paul@16 | 99 | node.to_string(out) |
paul@11 | 100 | |
paul@11 | 101 | class Region(Container): |
paul@11 | 102 | |
paul@11 | 103 | "A region of the page." |
paul@11 | 104 | |
paul@67 | 105 | def __init__(self, nodes, level=0, indent=0, type=None, transparent=True, extra=None): |
paul@11 | 106 | Container.__init__(self, nodes) |
paul@11 | 107 | self.level = level |
paul@11 | 108 | self.indent = indent |
paul@11 | 109 | self.type = type |
paul@32 | 110 | self.transparent = transparent |
paul@67 | 111 | self.extra = extra |
paul@11 | 112 | |
paul@15 | 113 | def add(self, node): |
paul@15 | 114 | last = self.node(-1) |
paul@11 | 115 | if last and last.empty(): |
paul@11 | 116 | self.nodes[-1] = node |
paul@11 | 117 | else: |
paul@22 | 118 | self.append(node) |
paul@11 | 119 | |
paul@24 | 120 | def append_inline(self, node): |
paul@32 | 121 | if self.transparent: |
paul@24 | 122 | self.nodes[-1].append(node) |
paul@11 | 123 | else: |
paul@24 | 124 | self.append(node) |
paul@11 | 125 | |
paul@11 | 126 | def have_end(self, s): |
paul@11 | 127 | return self.level and s.startswith("}") and self.level == len(s) |
paul@11 | 128 | |
paul@11 | 129 | def __repr__(self): |
paul@67 | 130 | return "Region(%r, %r, %r, %r, %r, %r)" % (self.nodes, self.level, |
paul@67 | 131 | self.indent, self.type, self.transparent, self.extra) |
paul@11 | 132 | |
paul@11 | 133 | def prettyprint(self, indent=""): |
paul@67 | 134 | l = ["%sRegion: level=%d indent=%d type=%s extra=%r" % (indent, |
paul@67 | 135 | self.level, self.indent, self.type, self.extra)] |
paul@16 | 136 | return self._prettyprint(l, indent) |
paul@11 | 137 | |
paul@11 | 138 | def to_string(self, out): |
paul@67 | 139 | out.start_region(self.level, self.indent, self.type, self.extra) |
paul@41 | 140 | |
paul@46 | 141 | # Obtain a serialiser for the region, if appropriate. |
paul@41 | 142 | |
paul@46 | 143 | serialiser = out.formats and out.formats.get(self.type) |
paul@53 | 144 | region_out = serialiser and serialiser(out.out, out.formats) or out |
paul@46 | 145 | |
paul@46 | 146 | # Serialise the region. |
paul@46 | 147 | |
paul@41 | 148 | self._to_string(region_out) |
paul@41 | 149 | |
paul@67 | 150 | out.end_region(self.level, self.indent, self.type, self.extra) |
paul@11 | 151 | |
paul@17 | 152 | |
paul@17 | 153 | |
paul@11 | 154 | class Block(Container): |
paul@11 | 155 | |
paul@11 | 156 | "A block in the page." |
paul@11 | 157 | |
paul@11 | 158 | def __repr__(self): |
paul@11 | 159 | return "Block(%r)" % self.nodes |
paul@11 | 160 | |
paul@11 | 161 | def prettyprint(self, indent=""): |
paul@15 | 162 | l = ["%sBlock" % indent] |
paul@16 | 163 | return self._prettyprint(l, indent) |
paul@11 | 164 | |
paul@11 | 165 | def to_string(self, out): |
paul@15 | 166 | out.start_block() |
paul@16 | 167 | self._to_string(out) |
paul@15 | 168 | out.end_block() |
paul@11 | 169 | |
paul@16 | 170 | class DefItem(Container): |
paul@16 | 171 | |
paul@16 | 172 | "A definition item." |
paul@16 | 173 | |
paul@16 | 174 | def __init__(self, nodes, pad, extra): |
paul@16 | 175 | Container.__init__(self, nodes) |
paul@16 | 176 | self.pad = pad |
paul@16 | 177 | self.extra = extra |
paul@16 | 178 | |
paul@16 | 179 | def __repr__(self): |
paul@16 | 180 | return "DefItem(%r, %r, %r)" % (self.nodes, self.pad, self.extra) |
paul@16 | 181 | |
paul@16 | 182 | def prettyprint(self, indent=""): |
paul@16 | 183 | l = ["%sDefItem: pad=%r extra=%r" % (indent, self.pad, self.extra)] |
paul@16 | 184 | return self._prettyprint(l, indent) |
paul@16 | 185 | |
paul@16 | 186 | def to_string(self, out): |
paul@16 | 187 | out.start_defitem(self.pad, self.extra) |
paul@16 | 188 | self._to_string(out) |
paul@16 | 189 | out.end_defitem(self.pad, self.extra) |
paul@16 | 190 | |
paul@16 | 191 | class DefTerm(Container): |
paul@16 | 192 | |
paul@16 | 193 | "A definition term." |
paul@16 | 194 | |
paul@16 | 195 | def __init__(self, nodes, pad): |
paul@16 | 196 | Container.__init__(self, nodes) |
paul@16 | 197 | self.pad = pad |
paul@16 | 198 | |
paul@16 | 199 | def __repr__(self): |
paul@16 | 200 | return "DefTerm(%r, %r)" % (self.nodes, self.pad) |
paul@16 | 201 | |
paul@16 | 202 | def prettyprint(self, indent=""): |
paul@16 | 203 | l = ["%sDefTerm: pad=%r" % (indent, self.pad)] |
paul@16 | 204 | return self._prettyprint(l, indent) |
paul@16 | 205 | |
paul@16 | 206 | def to_string(self, out): |
paul@16 | 207 | out.start_defterm(self.pad) |
paul@16 | 208 | self._to_string(out) |
paul@16 | 209 | out.end_defterm(self.pad) |
paul@16 | 210 | |
paul@18 | 211 | class FontStyle(Container): |
paul@18 | 212 | |
paul@18 | 213 | "Emphasised and/or strong text." |
paul@18 | 214 | |
paul@18 | 215 | def __init__(self, nodes, emphasis=False, strong=False): |
paul@18 | 216 | Container.__init__(self, nodes) |
paul@18 | 217 | self.emphasis = emphasis |
paul@18 | 218 | self.strong = strong |
paul@17 | 219 | |
paul@18 | 220 | def close_emphasis(self): |
paul@18 | 221 | if self.strong: |
paul@18 | 222 | span = FontStyle(self.nodes, emphasis=True) |
paul@18 | 223 | self.nodes = [span] |
paul@18 | 224 | self.emphasis = False |
paul@18 | 225 | return self.strong |
paul@18 | 226 | |
paul@18 | 227 | def close_strong(self): |
paul@18 | 228 | if self.emphasis: |
paul@18 | 229 | span = FontStyle(self.nodes, strong=True) |
paul@18 | 230 | self.nodes = [span] |
paul@18 | 231 | self.strong = False |
paul@18 | 232 | return self.emphasis |
paul@17 | 233 | |
paul@17 | 234 | def __repr__(self): |
paul@18 | 235 | return "FontStyle(%r, %r, %r)" % (self.nodes, self.emphasis, self.strong) |
paul@17 | 236 | |
paul@17 | 237 | def prettyprint(self, indent=""): |
paul@18 | 238 | l = ["%sFontStyle: emphasis=%r strong=%r" % (indent, self.emphasis, self.strong)] |
paul@17 | 239 | return self._prettyprint(l, indent) |
paul@17 | 240 | |
paul@17 | 241 | def to_string(self, out): |
paul@18 | 242 | if self.emphasis: |
paul@18 | 243 | out.start_emphasis() |
paul@18 | 244 | elif self.strong: |
paul@18 | 245 | out.start_strong() |
paul@17 | 246 | self._to_string(out) |
paul@18 | 247 | if self.emphasis: |
paul@18 | 248 | out.end_emphasis() |
paul@18 | 249 | elif self.strong: |
paul@18 | 250 | out.end_strong() |
paul@17 | 251 | |
paul@13 | 252 | class Heading(Container): |
paul@13 | 253 | |
paul@13 | 254 | "A heading." |
paul@13 | 255 | |
paul@13 | 256 | def __init__(self, nodes, level, start_extra="", start_pad="", end_pad="", end_extra=""): |
paul@13 | 257 | Container.__init__(self, nodes) |
paul@13 | 258 | self.level = level |
paul@13 | 259 | self.start_extra = start_extra |
paul@13 | 260 | self.start_pad = start_pad |
paul@13 | 261 | self.end_pad = end_pad |
paul@13 | 262 | self.end_extra = end_extra |
paul@13 | 263 | |
paul@13 | 264 | def __repr__(self): |
paul@13 | 265 | return "Heading(%r, %d, %r, %r, %r, %r)" % ( |
paul@13 | 266 | self.nodes, self.level, self.start_extra, self.start_pad, self.end_pad, self.end_extra) |
paul@13 | 267 | |
paul@13 | 268 | def prettyprint(self, indent=""): |
paul@13 | 269 | l = ["%sHeading: level=%d start_extra=%r start_pad=%r end_pad=%r end_extra=%r" % ( |
paul@13 | 270 | indent, self.level, self.start_extra, self.start_pad, self.end_pad, self.end_extra)] |
paul@16 | 271 | return self._prettyprint(l, indent) |
paul@13 | 272 | |
paul@13 | 273 | def to_string(self, out): |
paul@13 | 274 | out.start_heading(self.level, self.start_extra, self.start_pad) |
paul@16 | 275 | self._to_string(out) |
paul@13 | 276 | out.end_heading(self.level, self.end_pad, self.end_extra) |
paul@13 | 277 | |
paul@43 | 278 | class List(Container): |
paul@43 | 279 | |
paul@43 | 280 | "A list." |
paul@43 | 281 | |
paul@51 | 282 | def __init__(self, nodes, indent, marker, num): |
paul@43 | 283 | Container.__init__(self, nodes) |
paul@43 | 284 | self.indent = indent |
paul@43 | 285 | self.marker = marker |
paul@51 | 286 | self.num = num |
paul@43 | 287 | |
paul@43 | 288 | def __repr__(self): |
paul@51 | 289 | return "List(%r, %r, %r, %r)" % (self.nodes, self.indent, self.marker, self.num) |
paul@43 | 290 | |
paul@43 | 291 | def prettyprint(self, indent=""): |
paul@51 | 292 | l = ["%sList: indent=%d marker=%r num=%r" % (indent, self.indent, self.marker, self.num)] |
paul@43 | 293 | return self._prettyprint(l, indent) |
paul@43 | 294 | |
paul@43 | 295 | def to_string(self, out): |
paul@51 | 296 | out.start_list(self.indent, self.marker, self.num) |
paul@43 | 297 | self._to_string(out) |
paul@51 | 298 | out.end_list(self.indent, self.marker, self.num) |
paul@43 | 299 | |
paul@11 | 300 | class ListItem(Container): |
paul@11 | 301 | |
paul@11 | 302 | "A list item." |
paul@11 | 303 | |
paul@51 | 304 | def __init__(self, nodes, indent, marker, space, num): |
paul@14 | 305 | Container.__init__(self, nodes) |
paul@14 | 306 | self.indent = indent |
paul@14 | 307 | self.marker = marker |
paul@14 | 308 | self.space = space |
paul@51 | 309 | self.num = num |
paul@14 | 310 | |
paul@67 | 311 | # Forbid blocks within list items for simpler structure. |
paul@67 | 312 | |
paul@67 | 313 | self.allow_blocks = False |
paul@67 | 314 | |
paul@11 | 315 | def __repr__(self): |
paul@51 | 316 | return "ListItem(%r, %r, %r, %r, %r)" % (self.nodes, self.indent, self.marker, self.space, self.num) |
paul@11 | 317 | |
paul@11 | 318 | def prettyprint(self, indent=""): |
paul@51 | 319 | l = ["%sListItem: indent=%d marker=%r space=%r num=%r" % (indent, self.indent, self.marker, self.space, self.num)] |
paul@16 | 320 | return self._prettyprint(l, indent) |
paul@11 | 321 | |
paul@11 | 322 | def to_string(self, out): |
paul@51 | 323 | out.start_listitem(self.indent, self.marker, self.space, self.num) |
paul@16 | 324 | self._to_string(out) |
paul@51 | 325 | out.end_listitem(self.indent, self.marker, self.space, self.num) |
paul@11 | 326 | |
paul@25 | 327 | class TableAttrs(Container): |
paul@25 | 328 | |
paul@25 | 329 | "A collection of table attributes." |
paul@25 | 330 | |
paul@25 | 331 | def __repr__(self): |
paul@25 | 332 | return "TableAttrs(%r)" % self.nodes |
paul@25 | 333 | |
paul@25 | 334 | def prettyprint(self, indent=""): |
paul@25 | 335 | l = ["%sTableAttrs:" % indent] |
paul@25 | 336 | return self._prettyprint(l, indent) |
paul@25 | 337 | |
paul@25 | 338 | def to_string(self, out): |
paul@25 | 339 | out.start_table_attrs() |
paul@25 | 340 | self._to_string(out) |
paul@25 | 341 | out.end_table_attrs() |
paul@25 | 342 | |
paul@36 | 343 | class Table(Container): |
paul@36 | 344 | |
paul@36 | 345 | "A table." |
paul@36 | 346 | |
paul@36 | 347 | def __repr__(self): |
paul@36 | 348 | return "Table(%r)" % self.nodes |
paul@36 | 349 | |
paul@36 | 350 | def prettyprint(self, indent=""): |
paul@36 | 351 | l = ["%sTable:" % indent] |
paul@36 | 352 | return self._prettyprint(l, indent) |
paul@36 | 353 | |
paul@36 | 354 | def to_string(self, out): |
paul@36 | 355 | out.start_table() |
paul@36 | 356 | self._to_string(out) |
paul@36 | 357 | out.end_table() |
paul@36 | 358 | |
paul@24 | 359 | class TableCell(Container): |
paul@24 | 360 | |
paul@24 | 361 | "A table cell." |
paul@24 | 362 | |
paul@25 | 363 | def __init__(self, nodes, attrs=None): |
paul@25 | 364 | Container.__init__(self, nodes) |
paul@25 | 365 | self.attrs = attrs |
paul@25 | 366 | |
paul@24 | 367 | def __repr__(self): |
paul@67 | 368 | return "TableCell(%r, %r)" % (self.nodes, self.attrs) |
paul@24 | 369 | |
paul@24 | 370 | def prettyprint(self, indent=""): |
paul@24 | 371 | l = ["%sTableCell:" % indent] |
paul@24 | 372 | return self._prettyprint(l, indent) |
paul@24 | 373 | |
paul@24 | 374 | def to_string(self, out): |
paul@25 | 375 | out.start_table_cell(self.attrs) |
paul@67 | 376 | for node in self.nodes: |
paul@67 | 377 | if node is not self.attrs: |
paul@67 | 378 | node.to_string(out) |
paul@24 | 379 | out.end_table_cell() |
paul@24 | 380 | |
paul@24 | 381 | class TableRow(Container): |
paul@24 | 382 | |
paul@24 | 383 | "A table row." |
paul@24 | 384 | |
paul@24 | 385 | def __init__(self, nodes, trailing=""): |
paul@24 | 386 | Container.__init__(self, nodes) |
paul@24 | 387 | self.trailing = trailing |
paul@24 | 388 | |
paul@24 | 389 | def __repr__(self): |
paul@24 | 390 | return "TableRow(%r, %r)" % (self.nodes, self.trailing) |
paul@24 | 391 | |
paul@24 | 392 | def prettyprint(self, indent=""): |
paul@24 | 393 | l = ["%sTableRow: trailing=%r" % (indent, self.trailing)] |
paul@24 | 394 | return self._prettyprint(l, indent) |
paul@24 | 395 | |
paul@24 | 396 | def to_string(self, out): |
paul@24 | 397 | out.start_table_row() |
paul@24 | 398 | self._to_string(out) |
paul@24 | 399 | out.end_table_row(self.trailing) |
paul@24 | 400 | |
paul@23 | 401 | |
paul@17 | 402 | |
paul@23 | 403 | class Inline(Container): |
paul@23 | 404 | |
paul@23 | 405 | "Generic inline formatting." |
paul@17 | 406 | |
paul@17 | 407 | def __repr__(self): |
paul@23 | 408 | return "%s(%r)" % (self.__class__.__name__, self.nodes) |
paul@17 | 409 | |
paul@17 | 410 | def prettyprint(self, indent=""): |
paul@23 | 411 | l = ["%s%s" % (indent, self.__class__.__name__)] |
paul@17 | 412 | return self._prettyprint(l, indent) |
paul@17 | 413 | |
paul@23 | 414 | class Larger(Inline): |
paul@23 | 415 | |
paul@23 | 416 | "Larger text." |
paul@23 | 417 | |
paul@23 | 418 | def to_string(self, out): |
paul@23 | 419 | out.start_larger() |
paul@23 | 420 | self._to_string(out) |
paul@23 | 421 | out.end_larger() |
paul@23 | 422 | |
paul@47 | 423 | class Link(Container): |
paul@47 | 424 | |
paul@47 | 425 | "Link details." |
paul@47 | 426 | |
paul@47 | 427 | def __init__(self, nodes, target): |
paul@47 | 428 | Container.__init__(self, nodes) |
paul@47 | 429 | self.target = target |
paul@47 | 430 | |
paul@47 | 431 | def __repr__(self): |
paul@47 | 432 | return "Link(%r, %r)" % (self.nodes, self.target) |
paul@47 | 433 | |
paul@47 | 434 | def prettyprint(self, indent=""): |
paul@47 | 435 | l = ["%sLink: target=%r" % (indent, self.target)] |
paul@47 | 436 | return self._prettyprint(l, indent) |
paul@47 | 437 | |
paul@47 | 438 | def to_string(self, out): |
paul@47 | 439 | out.start_link(self.target) |
paul@47 | 440 | if self.nodes: |
paul@47 | 441 | out.start_linktext() |
paul@47 | 442 | self._to_string(out) |
paul@47 | 443 | out.end_linktext() |
paul@47 | 444 | out.end_link() |
paul@47 | 445 | |
paul@23 | 446 | class Monospace(Inline): |
paul@23 | 447 | |
paul@23 | 448 | "Monospaced text." |
paul@23 | 449 | |
paul@17 | 450 | def to_string(self, out): |
paul@18 | 451 | out.start_monospace() |
paul@17 | 452 | self._to_string(out) |
paul@18 | 453 | out.end_monospace() |
paul@17 | 454 | |
paul@23 | 455 | class Smaller(Inline): |
paul@23 | 456 | |
paul@23 | 457 | "Smaller text." |
paul@23 | 458 | |
paul@23 | 459 | def to_string(self, out): |
paul@23 | 460 | out.start_smaller() |
paul@23 | 461 | self._to_string(out) |
paul@23 | 462 | out.end_smaller() |
paul@23 | 463 | |
paul@48 | 464 | class Strikethrough(Inline): |
paul@48 | 465 | |
paul@48 | 466 | "Crossed-out text." |
paul@48 | 467 | |
paul@48 | 468 | def to_string(self, out): |
paul@48 | 469 | out.start_strikethrough() |
paul@48 | 470 | self._to_string(out) |
paul@48 | 471 | out.end_strikethrough() |
paul@48 | 472 | |
paul@23 | 473 | class Subscript(Inline): |
paul@20 | 474 | |
paul@20 | 475 | "Subscripted text." |
paul@20 | 476 | |
paul@20 | 477 | def to_string(self, out): |
paul@20 | 478 | out.start_subscript() |
paul@20 | 479 | self._to_string(out) |
paul@20 | 480 | out.end_subscript() |
paul@20 | 481 | |
paul@23 | 482 | class Superscript(Inline): |
paul@20 | 483 | |
paul@20 | 484 | "Superscripted text." |
paul@20 | 485 | |
paul@20 | 486 | def to_string(self, out): |
paul@20 | 487 | out.start_superscript() |
paul@20 | 488 | self._to_string(out) |
paul@20 | 489 | out.end_superscript() |
paul@20 | 490 | |
paul@23 | 491 | class Underline(Inline): |
paul@19 | 492 | |
paul@19 | 493 | "Underlined text." |
paul@19 | 494 | |
paul@19 | 495 | def to_string(self, out): |
paul@19 | 496 | out.start_underline() |
paul@19 | 497 | self._to_string(out) |
paul@19 | 498 | out.end_underline() |
paul@19 | 499 | |
paul@12 | 500 | |
paul@12 | 501 | |
paul@12 | 502 | class Node: |
paul@12 | 503 | |
paul@12 | 504 | "A document node without children." |
paul@12 | 505 | |
paul@12 | 506 | def empty(self): |
paul@12 | 507 | return False |
paul@12 | 508 | |
paul@15 | 509 | class Break(Node): |
paul@15 | 510 | |
paul@15 | 511 | "A paragraph break." |
paul@15 | 512 | |
paul@15 | 513 | def __repr__(self): |
paul@15 | 514 | return "Break()" |
paul@15 | 515 | |
paul@15 | 516 | def prettyprint(self, indent=""): |
paul@15 | 517 | return "%sBreak" % indent |
paul@15 | 518 | |
paul@15 | 519 | def to_string(self, out): |
paul@15 | 520 | out.break_() |
paul@15 | 521 | |
paul@12 | 522 | class Rule(Node): |
paul@12 | 523 | |
paul@12 | 524 | "A horizontal rule." |
paul@12 | 525 | |
paul@12 | 526 | def __init__(self, length): |
paul@12 | 527 | self.length = length |
paul@12 | 528 | |
paul@12 | 529 | def __repr__(self): |
paul@12 | 530 | return "Rule(%d)" % self.length |
paul@12 | 531 | |
paul@12 | 532 | def prettyprint(self, indent=""): |
paul@25 | 533 | return "%sRule: length=%d" % (indent, self.length) |
paul@12 | 534 | |
paul@12 | 535 | def to_string(self, out): |
paul@12 | 536 | out.rule(self.length) |
paul@12 | 537 | |
paul@25 | 538 | class TableAttr(Node): |
paul@25 | 539 | |
paul@25 | 540 | "A table attribute." |
paul@25 | 541 | |
paul@27 | 542 | def __init__(self, name, value=None, concise=False, quote=None): |
paul@25 | 543 | self.name = name |
paul@25 | 544 | self.value = value |
paul@25 | 545 | self.concise = concise |
paul@27 | 546 | self.quote = quote |
paul@25 | 547 | |
paul@25 | 548 | def __repr__(self): |
paul@27 | 549 | return "TableAttr(%r, %r, %r, %r)" % (self.name, self.value, self.concise, self.quote) |
paul@25 | 550 | |
paul@25 | 551 | def prettyprint(self, indent=""): |
paul@27 | 552 | return "%sTableAttr: name=%r value=%r concise=%r quote=%r" % (indent, self.name, self.value, self.concise, self.quote) |
paul@25 | 553 | |
paul@25 | 554 | def to_string(self, out): |
paul@27 | 555 | out.table_attr(self.name, self.value, self.concise, self.quote) |
paul@25 | 556 | |
paul@12 | 557 | class Text(Node): |
paul@11 | 558 | |
paul@11 | 559 | "A text node." |
paul@11 | 560 | |
paul@11 | 561 | def __init__(self, s): |
paul@11 | 562 | self.s = s |
paul@11 | 563 | |
paul@11 | 564 | def empty(self): |
paul@11 | 565 | return not self.s |
paul@11 | 566 | |
paul@52 | 567 | def multiline(self): |
paul@52 | 568 | return "\n" in self.s |
paul@52 | 569 | |
paul@11 | 570 | def merge(self, text): |
paul@11 | 571 | self.s += text.s |
paul@11 | 572 | |
paul@11 | 573 | def __repr__(self): |
paul@11 | 574 | return "Text(%r)" % self.s |
paul@11 | 575 | |
paul@11 | 576 | def prettyprint(self, indent=""): |
paul@11 | 577 | return "%sText: %r" % (indent, self.s) |
paul@11 | 578 | |
paul@11 | 579 | def to_string(self, out): |
paul@11 | 580 | out.text(self.s) |
paul@11 | 581 | |
paul@11 | 582 | # vim: tabstop=4 expandtab shiftwidth=4 |