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1 /**
2  * \file Layout.cpp
3  * This file is part of LyX, the document processor.
4  * Licence details can be found in the file COPYING.
5  *
6  * \author Lars Gullik Bjønnes
7  * \author Jean-Marc Lasgouttes
8  * \author André Pönitz
9  *
10  * Full author contact details are available in file CREDITS.
11  */
12
13 #include <config.h>
14
15 #include "Layout.h"
16 #include "TextClass.h"
17 #include "Lexer.h"
18 #include "Font.h"
19 #include "support/debug.h"
20
21
22 #include "support/lstrings.h"
23
24 #include <ostream>
25
26 using namespace std;
27 using namespace lyx::support;
28
29 namespace lyx {
30
31 /// Special value of toclevel for layouts that to not belong in a TOC
32 const int Layout::NOT_IN_TOC = -1000;
33
34 //  The order of the LayoutTags enum is no more important. [asierra300396]
35 // Tags indexes.
36 enum LayoutTags {
37         LT_ALIGN = 1,
38         LT_ALIGNPOSSIBLE,
39         LT_MARGIN,
40         LT_BOTTOMSEP,
41         LT_COMMANDDEPTH,
42         LT_COPYSTYLE,
43         LT_DEPENDSON,
44         LT_OBSOLETEDBY,
45         //LT_EMPTY,
46         LT_END,
47         //LT_ENVIRONMENT_DEFAULT,
48         //LT_FANCYHDR,
49         LT_FILL_BOTTOM,
50         LT_FILL_TOP,
51         //LT_FIRST_COUNTER,
52         LT_FONT,
53         LT_FREE_SPACING,
54         LT_PASS_THRU,
55         //LT_HEADINGS,
56         LT_ITEMSEP,
57         LT_KEEPEMPTY,
58         LT_LABEL_BOTTOMSEP,
59         LT_LABELFONT,
60         LT_TEXTFONT,
61         LT_LABELINDENT,
62         LT_LABELSEP,
63         LT_LABELSTRING,
64         LT_LABELSTRING_APPENDIX,
65         LT_LABELCOUNTER,
66         LT_LABELTYPE,
67         LT_ENDLABELSTRING,
68         LT_ENDLABELTYPE,
69         LT_LATEXNAME,
70         LT_LATEXPARAM,
71         LT_OPTARGS,
72         LT_LATEXTYPE,
73         LT_LATEXHEADER,
74         LT_LATEXFOOTER,
75         LT_LATEXPARAGRAPH,
76         LT_LEFTMARGIN,
77         LT_NEED_PROTECT,
78         LT_NEWLINE,
79         LT_NEXTNOINDENT,
80         LT_PARINDENT,
81         LT_PARSEP,
82         LT_PARSKIP,
83         //LT_PLAIN,
84         LT_PREAMBLE,
85         LT_REQUIRES,
86         LT_RIGHTMARGIN,
87         LT_SPACING,
88         LT_TOPSEP,
89         LT_TOCLEVEL,
90         LT_INNERTAG,
91         LT_LABELTAG,
92         LT_ITEMTAG,
93         LT_INTITLE // keep this last!
94 };
95
96 /////////////////////
97
98 Layout::Layout()
99 {
100         margintype = MARGIN_STATIC;
101         latextype = LATEX_PARAGRAPH;
102         intitle = false;
103         optionalargs = 0;
104         needprotect = false;
105         keepempty = false;
106         font = inherit_font;
107         labelfont = inherit_font;
108         resfont = sane_font;
109         reslabelfont = sane_font;
110         nextnoindent = false;
111         parskip = 0.0;
112         itemsep = 0;
113         topsep = 0.0;
114         bottomsep = 0.0;
115         labelbottomsep = 0.0;
116         parsep = 0;
117         align = LYX_ALIGN_BLOCK;
118         alignpossible = LYX_ALIGN_NONE | LYX_ALIGN_LAYOUT;
119         labeltype = LABEL_NO_LABEL;
120         endlabeltype = END_LABEL_NO_LABEL;
121         // Should or should not. That is the question.
122         // spacing.set(Spacing::OneHalf);
123         fill_top = false;
124         fill_bottom = false;
125         newline_allowed = true;
126         free_spacing = false;
127         pass_thru = false;
128         is_environment = false;
129         toclevel = NOT_IN_TOC;
130         commanddepth = 0;
131 }
132
133
134 bool Layout::read(Lexer & lexrc, TextClass const & tclass)
135 {
136         // This table is sorted alphabetically [asierra 30March96]
137         keyword_item layoutTags[] = {
138                 { "align",          LT_ALIGN },
139                 { "alignpossible",  LT_ALIGNPOSSIBLE },
140                 { "bottomsep",      LT_BOTTOMSEP },
141                 { "commanddepth",   LT_COMMANDDEPTH },
142                 { "copystyle",      LT_COPYSTYLE },
143                 { "dependson",      LT_DEPENDSON },
144                 { "end",            LT_END },
145                 { "endlabelstring", LT_ENDLABELSTRING },
146                 { "endlabeltype",   LT_ENDLABELTYPE },
147                 { "fill_bottom",    LT_FILL_BOTTOM },
148                 { "fill_top",       LT_FILL_TOP },
149                 { "font",           LT_FONT },
150                 { "freespacing",    LT_FREE_SPACING },
151                 { "innertag",       LT_INNERTAG },
152                 { "intitle",        LT_INTITLE },
153                 { "itemsep",        LT_ITEMSEP },
154                 { "itemtag",        LT_ITEMTAG },
155                 { "keepempty",      LT_KEEPEMPTY },
156                 { "labelbottomsep", LT_LABEL_BOTTOMSEP },
157                 { "labelcounter",   LT_LABELCOUNTER },
158                 { "labelfont",      LT_LABELFONT },
159                 { "labelindent",    LT_LABELINDENT },
160                 { "labelsep",       LT_LABELSEP },
161                 { "labelstring",    LT_LABELSTRING },
162                 { "labelstringappendix", LT_LABELSTRING_APPENDIX },
163                 { "labeltag",       LT_LABELTAG },
164                 { "labeltype",      LT_LABELTYPE },
165                 { "latexfooter",    LT_LATEXFOOTER },
166                 { "latexheader",    LT_LATEXHEADER },
167                 { "latexname",      LT_LATEXNAME },
168                 { "latexparagraph", LT_LATEXPARAGRAPH },
169                 { "latexparam",     LT_LATEXPARAM },
170                 { "latextype",      LT_LATEXTYPE },
171                 { "leftmargin",     LT_LEFTMARGIN },
172                 { "margin",         LT_MARGIN },
173                 { "needprotect",    LT_NEED_PROTECT },
174                 { "newline",        LT_NEWLINE },
175                 { "nextnoindent",   LT_NEXTNOINDENT },
176                 { "obsoletedby",    LT_OBSOLETEDBY },
177                 { "optionalargs",   LT_OPTARGS },
178                 { "parindent",      LT_PARINDENT },
179                 { "parsep",         LT_PARSEP },
180                 { "parskip",        LT_PARSKIP },
181                 { "passthru",       LT_PASS_THRU },
182                 { "preamble",       LT_PREAMBLE },
183                 { "requires",       LT_REQUIRES },
184                 { "rightmargin",    LT_RIGHTMARGIN },
185                 { "spacing",        LT_SPACING },
186                 { "textfont",       LT_TEXTFONT },
187                 { "toclevel",       LT_TOCLEVEL },
188                 { "topsep",         LT_TOPSEP }
189         };
190
191         bool error = false;
192         bool finished = false;
193         lexrc.pushTable(layoutTags, LT_INTITLE);
194         // parse style section
195         while (!finished && lexrc.isOK() && !error) {
196                 int le = lexrc.lex();
197                 // See comment in LyXRC.cpp.
198                 switch (le) {
199                 case Lexer::LEX_FEOF:
200                         continue;
201
202                 case Lexer::LEX_UNDEF:          // parse error
203                         lexrc.printError("Unknown layout tag `$$Token'");
204                         error = true;
205                         continue;
206                 default: break;
207                 }
208                 switch (static_cast<LayoutTags>(le)) {
209                 case LT_END:            // end of structure
210                         finished = true;
211                         break;
212
213                 case LT_COPYSTYLE:     // initialize with a known style
214                         if (lexrc.next()) {
215                                 docstring const style = subst(lexrc.getDocString(),
216                                                                 '_', ' ');
217
218                                 if (tclass.hasLayout(style)) {
219                                         docstring const tmpname = name_;
220                                         this->operator=(*tclass[style]);
221                                         name_ = tmpname;
222                                 } else {
223                                         lyxerr << "Cannot copy unknown style `"
224                                                << to_utf8(style) << "'\n"
225                                                << "All layouts so far:"
226                                                << endl;
227                                         TextClass::const_iterator it =
228                                                 tclass.begin();
229                                         TextClass::const_iterator end =
230                                                 tclass.end();
231                                         for (; it != end; ++it) {
232                                                 lyxerr << to_utf8((*it)->name())
233                                                        << endl;
234                                         }
235
236                                         //lexrc.printError("Cannot copy known "
237                                         //               "style `$$Token'");
238                                 }
239                         }
240                         break;
241
242                 case LT_OBSOLETEDBY:     // replace with a known style
243                         if (lexrc.next()) {
244                                 docstring const style = 
245                                         subst(lexrc.getDocString(), '_', ' ');
246
247                                 if (tclass.hasLayout(style)) {
248                                         docstring const tmpname = name_;
249                                         this->operator=(*tclass[style]);
250                                         name_ = tmpname;
251                                         if (obsoleted_by().empty())
252                                                 obsoleted_by_ = style;
253                                 } else {
254                                         lyxerr << "Cannot replace with unknown style `" 
255                                                 << to_utf8(style) << '\'' << endl;
256
257                                         //lexrc.printError("Cannot replace with"
258                                         //               " unknown style "
259                                         //               "`$$Token'");
260                                 }
261                         }
262                         break;
263
264                 case LT_DEPENDSON:
265                         if (lexrc.next())
266                         depends_on_ = subst(lexrc.getDocString(), '_', ' ');
267                         break;
268
269                 case LT_MARGIN:         // margin style definition.
270                         readMargin(lexrc);
271                         break;
272
273                 case LT_LATEXTYPE:      // LaTeX style definition.
274                         readLatexType(lexrc);
275                         break;
276
277                 case LT_LATEXHEADER:    // header for environments
278                         lexrc.next();
279                         latexheader = lexrc.getString();
280                         break;
281
282                 case LT_LATEXFOOTER:    // footer for environments
283                         lexrc.next();
284                         latexfooter = lexrc.getString();
285                         break;
286
287                 case LT_LATEXPARAGRAPH:
288                         lexrc.next();
289                         latexparagraph = lexrc.getString();
290                         break;
291
292                 case LT_INTITLE:
293                         intitle = lexrc.next() && lexrc.getInteger();
294                         break;
295
296                 case LT_TOCLEVEL:
297                         lexrc.next();
298                         toclevel = lexrc.getInteger();
299                         break;
300
301                 case LT_OPTARGS:
302                         if (lexrc.next())
303                                 optionalargs = lexrc.getInteger();
304                         break;
305
306                 case LT_NEED_PROTECT:
307                         needprotect = lexrc.next() && lexrc.getInteger();
308                         break;
309
310                 case LT_KEEPEMPTY:
311                         keepempty = lexrc.next() && lexrc.getInteger();
312                         break;
313
314                 case LT_FONT:
315                         font = lyxRead(lexrc, font);
316                         labelfont = font;
317                         break;
318
319                 case LT_TEXTFONT:
320                         font = lyxRead(lexrc, font);
321                         break;
322
323                 case LT_LABELFONT:
324                         labelfont = lyxRead(lexrc, labelfont);
325                         break;
326
327                 case LT_NEXTNOINDENT:   // Indent next paragraph?
328                         if (lexrc.next() && lexrc.getInteger())
329                                 nextnoindent = true;
330                         else
331                                 nextnoindent = false;
332                         break;
333
334                 case LT_COMMANDDEPTH:
335                         lexrc.next();
336                         commanddepth = lexrc.getInteger();
337                         break;
338
339                 case LT_LATEXNAME:
340                         if (lexrc.next())
341                                 latexname_ = lexrc.getString();
342                         break;
343
344                 case LT_LATEXPARAM:
345                         if (lexrc.next())
346                                 latexparam_ = subst(lexrc.getString(), "&quot;", "\"");
347                         break;
348
349                 case LT_INNERTAG:
350                         if (lexrc.next())
351                                 innertag_ = lexrc.getString();
352                         break;
353
354                 case LT_LABELTAG:
355                         if (lexrc.next())
356                                 labeltag_ = lexrc.getString();
357                         break;
358
359                 case LT_ITEMTAG:
360                         if (lexrc.next())
361                                 itemtag_ = lexrc.getString();
362                         break;
363
364                 case LT_PREAMBLE:
365                         preamble_ = from_utf8(lexrc.getLongString("EndPreamble"));
366                         break;
367
368                 case LT_LABELTYPE:
369                         readLabelType(lexrc);
370                         break;
371
372                 case LT_ENDLABELTYPE:
373                         readEndLabelType(lexrc);
374                         break;
375
376                 case LT_LEFTMARGIN:     // left margin type
377                         if (lexrc.next())
378                                 leftmargin = lexrc.getDocString();
379                         break;
380
381                 case LT_RIGHTMARGIN:    // right margin type
382                         if (lexrc.next())
383                                 rightmargin = lexrc.getDocString();
384                         break;
385
386                 case LT_LABELINDENT:    // label indenting flag
387                         if (lexrc.next())
388                                 labelindent = lexrc.getDocString();
389                         break;
390
391                 case LT_PARINDENT:      // paragraph indent. flag
392                         if (lexrc.next())
393                                 parindent = lexrc.getDocString();
394                         break;
395
396                 case LT_PARSKIP:        // paragraph skip size
397                         if (lexrc.next())
398                                 parskip = lexrc.getFloat();
399                         break;
400
401                 case LT_ITEMSEP:        // item separation size
402                         if (lexrc.next())
403                                 itemsep = lexrc.getFloat();
404                         break;
405
406                 case LT_TOPSEP:         // top separation size
407                         if (lexrc.next())
408                                 topsep = lexrc.getFloat();
409                         break;
410
411                 case LT_BOTTOMSEP:      // bottom separation size
412                         if (lexrc.next())
413                                 bottomsep = lexrc.getFloat();
414                         break;
415
416                 case LT_LABEL_BOTTOMSEP: // label bottom separation size
417                         if (lexrc.next())
418                                 labelbottomsep = lexrc.getFloat();
419                         break;
420
421                 case LT_LABELSEP:       // label separator
422                         if (lexrc.next()) {
423                                 labelsep = from_utf8(subst(lexrc.getString(), 'x', ' '));
424                         }
425                         break;
426
427                 case LT_PARSEP:         // par. separation size
428                         if (lexrc.next())
429                                 parsep = lexrc.getFloat();
430                         break;
431
432                 case LT_FILL_TOP:       // fill top flag
433                         if (lexrc.next())
434                                 fill_top = lexrc.getInteger();
435                         break;
436
437                 case LT_FILL_BOTTOM:    // fill bottom flag
438                         if (lexrc.next())
439                                 fill_bottom = lexrc.getInteger();
440                         break;
441
442                 case LT_NEWLINE:        // newlines allowed?
443                         if (lexrc.next())
444                                 newline_allowed = lexrc.getInteger();
445                         break;
446
447                 case LT_ALIGN:          // paragraph align
448                         readAlign(lexrc);
449                         break;
450                 case LT_ALIGNPOSSIBLE:  // paragraph allowed align
451                         readAlignPossible(lexrc);
452                         break;
453
454                 case LT_LABELSTRING:    // label string definition
455                         if (lexrc.next()) {
456                                 labelstring_ = trim(lexrc.getDocString());
457                                 labelstring_appendix_ = labelstring_;
458                         }
459                         break;
460
461                 case LT_ENDLABELSTRING: // endlabel string definition
462                         if (lexrc.next())
463                                 endlabelstring_ = trim(lexrc.getDocString());
464                         break;
465
466                 case LT_LABELSTRING_APPENDIX: // label string appendix definition
467                         if (lexrc.next())
468                                 labelstring_appendix_ = trim(lexrc.getDocString());
469                         break;
470
471                 case LT_LABELCOUNTER: // name of counter to use
472                         if (lexrc.next())
473                                 counter = lyx::from_ascii(trim(lexrc.getString()));
474                         break;
475
476                 case LT_FREE_SPACING:   // Allow for free spacing.
477                         if (lexrc.next())
478                                 free_spacing = lexrc.getInteger();
479                         break;
480
481                 case LT_PASS_THRU:      // Allow for pass thru.
482                         if (lexrc.next())
483                                 pass_thru = lexrc.getInteger();
484                         break;
485
486                 case LT_SPACING: // setspace.sty
487                         readSpacing(lexrc);
488                         break;
489
490                 case LT_REQUIRES:
491                         if (lexrc.eatLine())
492                                 requires_ = getVectorFromString(lexrc.getString());
493                         break;
494
495                 }
496         }
497         lexrc.popTable();
498
499         return error;
500 }
501
502
503 enum AlignTags {
504         AT_BLOCK = 1,
505         AT_LEFT,
506         AT_RIGHT,
507         AT_CENTER,
508         AT_LAYOUT
509 };
510
511
512 void Layout::readAlign(Lexer & lexrc)
513 {
514         keyword_item alignTags[] = {
515                 { "block",  AT_BLOCK },
516                 { "center", AT_CENTER },
517                 { "layout", AT_LAYOUT },
518                 { "left",   AT_LEFT },
519                 { "right",  AT_RIGHT }
520         };
521
522         PushPopHelper pph(lexrc, alignTags, AT_LAYOUT);
523         int le = lexrc.lex();
524         switch (le) {
525         case Lexer::LEX_UNDEF:
526                 lexrc.printError("Unknown alignment `$$Token'");
527                 return;
528         default: break;
529         };
530         switch (static_cast<AlignTags>(le)) {
531         case AT_BLOCK:
532                 align = LYX_ALIGN_BLOCK;
533                 break;
534         case AT_LEFT:
535                 align = LYX_ALIGN_LEFT;
536                 break;
537         case AT_RIGHT:
538                 align = LYX_ALIGN_RIGHT;
539                 break;
540         case AT_CENTER:
541                 align = LYX_ALIGN_CENTER;
542                 break;
543         case AT_LAYOUT:
544                 align = LYX_ALIGN_LAYOUT;
545                 break;
546         }
547 }
548
549
550 void Layout::readAlignPossible(Lexer & lexrc)
551 {
552         keyword_item alignTags[] = {
553                 { "block",  AT_BLOCK },
554                 { "center", AT_CENTER },
555                 { "layout", AT_LAYOUT },
556                 { "left",   AT_LEFT },
557                 { "right",  AT_RIGHT }
558         };
559
560         lexrc.pushTable(alignTags, AT_LAYOUT);
561         alignpossible = LYX_ALIGN_NONE | LYX_ALIGN_LAYOUT;
562         int lineno = lexrc.getLineNo();
563         do {
564                 int le = lexrc.lex();
565                 switch (le) {
566                 case Lexer::LEX_UNDEF:
567                         lexrc.printError("Unknown alignment `$$Token'");
568                         continue;
569                 default: break;
570                 };
571                 switch (static_cast<AlignTags>(le)) {
572                 case AT_BLOCK:
573                         alignpossible |= LYX_ALIGN_BLOCK;
574                         break;
575                 case AT_LEFT:
576                         alignpossible |= LYX_ALIGN_LEFT;
577                         break;
578                 case AT_RIGHT:
579                         alignpossible |= LYX_ALIGN_RIGHT;
580                         break;
581                 case AT_CENTER:
582                         alignpossible |= LYX_ALIGN_CENTER;
583                         break;
584                 case AT_LAYOUT:
585                         alignpossible |= LYX_ALIGN_LAYOUT;
586                         break;
587                 }
588         } while (lineno == lexrc.getLineNo());
589         lexrc.popTable();
590 }
591
592
593 enum LabelTypeTags {
594         LA_NO_LABEL = 1,
595         LA_MANUAL,
596         LA_TOP_ENVIRONMENT,
597         LA_CENTERED_TOP_ENVIRONMENT,
598         LA_STATIC,
599         LA_SENSITIVE,
600         LA_COUNTER,
601         LA_ENUMERATE,
602         LA_ITEMIZE,
603         LA_BIBLIO
604 };
605
606
607 void Layout::readLabelType(Lexer & lexrc)
608 {
609         keyword_item labelTypeTags[] = {
610         { "bibliography",             LA_BIBLIO },
611         { "centered_top_environment", LA_CENTERED_TOP_ENVIRONMENT },
612         { "counter",                  LA_COUNTER },
613         { "enumerate",                LA_ENUMERATE },
614         { "itemize",                  LA_ITEMIZE },
615         { "manual",                   LA_MANUAL },
616         { "no_label",                 LA_NO_LABEL },
617         { "sensitive",                LA_SENSITIVE },
618         { "static",                   LA_STATIC },
619         { "top_environment",          LA_TOP_ENVIRONMENT }
620         };
621
622         PushPopHelper pph(lexrc, labelTypeTags, LA_BIBLIO);
623         int le = lexrc.lex();
624         switch (le) {
625         case Lexer::LEX_UNDEF:
626                 lexrc.printError("Unknown labeltype tag `$$Token'");
627                 return;
628         default: break;
629         }
630         switch (static_cast<LabelTypeTags>(le)) {
631         case LA_NO_LABEL:
632                 labeltype = LABEL_NO_LABEL;
633                 break;
634         case LA_MANUAL:
635                 labeltype = LABEL_MANUAL;
636                 break;
637         case LA_TOP_ENVIRONMENT:
638                 labeltype = LABEL_TOP_ENVIRONMENT;
639                 break;
640         case LA_CENTERED_TOP_ENVIRONMENT:
641                 labeltype = LABEL_CENTERED_TOP_ENVIRONMENT;
642                 break;
643         case LA_STATIC:
644                 labeltype = LABEL_STATIC;
645                 break;
646         case LA_SENSITIVE:
647                 labeltype = LABEL_SENSITIVE;
648                 break;
649         case LA_COUNTER:
650                 labeltype = LABEL_COUNTER;
651                 break;
652         case LA_ENUMERATE:
653                 labeltype = LABEL_ENUMERATE;
654                 break;
655         case LA_ITEMIZE:
656                 labeltype = LABEL_ITEMIZE;
657                 break;
658         case LA_BIBLIO:
659                 labeltype = LABEL_BIBLIO;
660                 break;
661         }
662 }
663
664
665 static keyword_item endlabelTypeTags[] =
666 {
667         { "box",        END_LABEL_BOX },
668         { "filled_box", END_LABEL_FILLED_BOX },
669         { "no_label",   END_LABEL_NO_LABEL },
670         { "static",     END_LABEL_STATIC }
671 };
672
673
674 void Layout::readEndLabelType(Lexer & lexrc)
675 {
676         PushPopHelper pph(lexrc, endlabelTypeTags,
677                           END_LABEL_ENUM_LAST-END_LABEL_ENUM_FIRST+1);
678         int le = lexrc.lex();
679         switch (le) {
680         case Lexer::LEX_UNDEF:
681                 lexrc.printError("Unknown labeltype tag `$$Token'");
682                 break;
683         case END_LABEL_STATIC:
684         case END_LABEL_BOX:
685         case END_LABEL_FILLED_BOX:
686         case END_LABEL_NO_LABEL:
687                 endlabeltype = static_cast<EndLabelType>(le);
688                 break;
689         default:
690                 lyxerr << "Unhandled value " << le
691                        << " in Layout::readEndLabelType." << endl;
692                 break;
693         }
694 }
695
696
697 void Layout::readMargin(Lexer & lexrc)
698 {
699         keyword_item marginTags[] = {
700                 { "dynamic",           MARGIN_DYNAMIC },
701                 { "first_dynamic",     MARGIN_FIRST_DYNAMIC },
702                 { "manual",            MARGIN_MANUAL },
703                 { "right_address_box", MARGIN_RIGHT_ADDRESS_BOX },
704                 { "static",            MARGIN_STATIC }
705         };
706
707         PushPopHelper pph(lexrc, marginTags, MARGIN_RIGHT_ADDRESS_BOX);
708
709         int le = lexrc.lex();
710         switch (le) {
711         case Lexer::LEX_UNDEF:
712                 lexrc.printError("Unknown margin type tag `$$Token'");
713                 return;
714         case MARGIN_STATIC:
715         case MARGIN_MANUAL:
716         case MARGIN_DYNAMIC:
717         case MARGIN_FIRST_DYNAMIC:
718         case MARGIN_RIGHT_ADDRESS_BOX:
719                 margintype = static_cast<MarginType>(le);
720                 break;
721         default:
722                 lyxerr << "Unhandled value " << le
723                        << " in Layout::readMargin." << endl;
724                 break;
725         }
726 }
727
728
729 void Layout::readLatexType(Lexer & lexrc)
730 {
731         keyword_item latexTypeTags[] = {
732                 { "bib_environment",  LATEX_BIB_ENVIRONMENT },
733                 { "command",          LATEX_COMMAND },
734                 { "environment",      LATEX_ENVIRONMENT },
735                 { "item_environment", LATEX_ITEM_ENVIRONMENT },
736                 { "list_environment", LATEX_LIST_ENVIRONMENT },
737                 { "paragraph",        LATEX_PARAGRAPH }
738         };
739
740         PushPopHelper pph(lexrc, latexTypeTags, LATEX_LIST_ENVIRONMENT);
741         int le = lexrc.lex();
742         switch (le) {
743         case Lexer::LEX_UNDEF:
744                 lexrc.printError("Unknown latextype tag `$$Token'");
745                 return;
746         case LATEX_PARAGRAPH:
747         case LATEX_COMMAND:
748         case LATEX_ENVIRONMENT:
749         case LATEX_ITEM_ENVIRONMENT:
750         case LATEX_BIB_ENVIRONMENT:
751         case LATEX_LIST_ENVIRONMENT:
752                 latextype = static_cast<LatexType>(le);
753                 break;
754         default:
755                 lyxerr << "Unhandled value " << le
756                        << " in Layout::readLatexType." << endl;
757                 break;
758         }
759 }
760
761
762 enum SpacingTags {
763         ST_SPACING_SINGLE = 1,
764         ST_SPACING_ONEHALF,
765         ST_SPACING_DOUBLE,
766         ST_OTHER
767 };
768
769
770 void Layout::readSpacing(Lexer & lexrc)
771 {
772         keyword_item spacingTags[] = {
773                 {"double",  ST_SPACING_DOUBLE },
774                 {"onehalf", ST_SPACING_ONEHALF },
775                 {"other",   ST_OTHER },
776                 {"single",  ST_SPACING_SINGLE }
777         };
778
779         PushPopHelper pph(lexrc, spacingTags, ST_OTHER);
780         int le = lexrc.lex();
781         switch (le) {
782         case Lexer::LEX_UNDEF:
783                 lexrc.printError("Unknown spacing token `$$Token'");
784                 return;
785         default: break;
786         }
787         switch (static_cast<SpacingTags>(le)) {
788         case ST_SPACING_SINGLE:
789                 spacing.set(Spacing::Single);
790                 break;
791         case ST_SPACING_ONEHALF:
792                 spacing.set(Spacing::Onehalf);
793                 break;
794         case ST_SPACING_DOUBLE:
795                 spacing.set(Spacing::Double);
796                 break;
797         case ST_OTHER:
798                 lexrc.next();
799                 spacing.set(Spacing::Other, lexrc.getString());
800                 break;
801         }
802 }
803
804
805 docstring const & Layout::name() const
806 {
807         return name_;
808 }
809
810
811 void Layout::setName(docstring const & name)
812 {
813         name_ = name;
814 }
815
816
817 docstring const & Layout::obsoleted_by() const
818 {
819         return obsoleted_by_;
820 }
821
822
823 docstring const & Layout::depends_on() const
824 {
825         return depends_on_;
826 }
827
828
829 Layout * Layout::forCaption()
830 {
831         Layout * lay = new Layout();
832         lay->name_ = from_ascii("Caption");
833         lay->latexname_ = "caption";
834         lay->latextype = LATEX_COMMAND;
835         lay->optionalargs = 1;
836         return lay;
837 }
838
839 } // namespace lyx