]> git.lyx.org Git - lyx.git/blob - src/factory.cpp
Fix bug #2213 (part 1): GuiChanges lacks "Previous Change" button.
[lyx.git] / src / factory.cpp
1 /**
2  * \file factory.cpp
3  * This file is part of LyX, the document processor.
4  * Licence details can be found in the file COPYING.
5  *
6  * \author André Pönitz
7  *
8  * Full author contact details are available in file CREDITS.
9  */
10
11 #include <config.h>
12
13 #include "factory.h"
14
15 #include "Buffer.h"
16 #include "BufferParams.h"
17 #include "FloatList.h"
18 #include "FuncRequest.h"
19 #include "Lexer.h"
20 #include "LyX.h"
21 #include "TextClass.h"
22
23 #include "insets/InsetBibitem.h"
24 #include "insets/InsetBibtex.h"
25 #include "insets/InsetCaption.h"
26 #include "insets/InsetCitation.h"
27 #include "insets/InsetFlex.h"
28 #include "insets/InsetERT.h"
29 #include "insets/InsetListings.h"
30 #include "insets/InsetExternal.h"
31 #include "insets/InsetFloat.h"
32 #include "insets/InsetFloatList.h"
33 #include "insets/InsetFoot.h"
34 #include "insets/InsetGraphics.h"
35 #include "insets/InsetInclude.h"
36 #include "insets/InsetIndex.h"
37 #include "insets/InsetInfo.h"
38 #include "insets/InsetNomencl.h"
39 #include "insets/InsetLabel.h"
40 #include "insets/InsetLine.h"
41 #include "insets/InsetMarginal.h"
42 #include "insets/InsetNewline.h"
43 #include "insets/InsetNewpage.h"
44 #include "insets/InsetNote.h"
45 #include "insets/InsetBox.h"
46 #include "insets/InsetBranch.h"
47 #include "insets/InsetPhantom.h"
48 #include "insets/InsetOptArg.h"
49 #include "insets/InsetNewpage.h"
50 #include "insets/InsetRef.h"
51 #include "insets/InsetSpace.h"
52 #include "insets/InsetTabular.h"
53 #include "insets/InsetTOC.h"
54 #include "insets/InsetHyperlink.h"
55 #include "insets/InsetVSpace.h"
56 #include "insets/InsetWrap.h"
57
58 #include "mathed/MathMacroTemplate.h"
59 #include "mathed/InsetMathHull.h"
60
61 #include "frontends/alert.h"
62
63 #include "support/debug.h"
64 #include "support/lstrings.h"
65 #include "support/ExceptionMessage.h"
66
67 #include "support/lassert.h"
68
69 #include <sstream>
70
71 using namespace std;
72 using namespace lyx::support;
73
74 namespace lyx {
75
76 namespace Alert = frontend::Alert;
77
78
79 Inset * createInsetHelper(Buffer & buf, FuncRequest const & cmd)
80 {
81         BufferParams const & params = buf.params();
82
83         try {
84
85                 switch (cmd.action) {
86
87                 case LFUN_LINE_INSERT:
88                         return new InsetLine;
89
90                 case LFUN_NEWPAGE_INSERT: {
91                         string const name = cmd.getArg(0);
92                         InsetNewpageParams inp;
93                         if (name.empty() || name == "newpage")
94                                 inp.kind = InsetNewpageParams::NEWPAGE;
95                         else if (name == "pagebreak")
96                                 inp.kind = InsetNewpageParams::PAGEBREAK;
97                         else if (name == "clearpage")
98                                 inp.kind = InsetNewpageParams::CLEARPAGE;
99                         else if (name == "cleardoublepage")
100                                 inp.kind = InsetNewpageParams::CLEARDOUBLEPAGE;
101                         return new InsetNewpage(inp);
102                 }
103
104                 case LFUN_FLEX_INSERT: {
105                         string s = cmd.getArg(0);
106                         return new InsetFlex(buf, s);
107                 }
108
109                 case LFUN_NOTE_INSERT: {
110                         string arg = cmd.getArg(0);
111                         if (arg.empty())
112                                 arg = "Note";
113                         return new InsetNote(buf, arg);
114                 }
115
116                 case LFUN_BOX_INSERT: {
117                         string arg = cmd.getArg(0);
118                         if (arg.empty())
119                                 arg = "Boxed";
120                         return new InsetBox(buf, arg);
121                 }
122
123                 case LFUN_BRANCH_INSERT: {
124                         docstring arg = cmd.argument();
125                         if (arg.empty())
126                                 arg = from_ascii("none");
127                         return new InsetBranch(buf, InsetBranchParams(arg));
128                 }
129
130                 case LFUN_PHANTOM_INSERT: {
131                         string arg = cmd.getArg(0);
132                         if (arg.empty())
133                                 arg = "Phantom";
134                         return new InsetPhantom(buf, arg);
135                 }
136
137                 case LFUN_ERT_INSERT:
138                         return new InsetERT(buf);
139
140                 case LFUN_LISTING_INSERT:
141                         return new InsetListings(buf);
142
143                 case LFUN_FOOTNOTE_INSERT:
144                         return new InsetFoot(buf);
145
146                 case LFUN_MARGINALNOTE_INSERT:
147                         return new InsetMarginal(buf);
148
149                 case LFUN_OPTIONAL_INSERT:
150                         return new InsetOptArg(buf);
151
152                 case LFUN_FLOAT_INSERT: {
153                         // check if the float type exists
154                         string const argument = to_utf8(cmd.argument());
155                         if (buf.params().documentClass().floats().typeExist(argument))
156                                 return new InsetFloat(buf, argument);
157                         lyxerr << "Non-existent float type: " << argument << endl;
158                 }
159
160                 case LFUN_FLOAT_WIDE_INSERT: {
161                         // check if the float type exists
162                         string const argument = to_utf8(cmd.argument());
163                         if (params.documentClass().floats().typeExist(argument)) {
164                                 auto_ptr<InsetFloat> p(new InsetFloat(buf, argument));
165                                 p->setWide(true, params);
166                                 return p.release();
167                         }
168                         lyxerr << "Non-existent float type: " << argument << endl;
169                         return 0;
170                 }
171
172                 case LFUN_WRAP_INSERT: {
173                         string const argument = to_utf8(cmd.argument());
174                         if (argument == "figure" || argument == "table")
175                                 return new InsetWrap(buf, argument);
176                         lyxerr << "Non-existent wrapfig type: " << argument << endl;
177                         return 0;
178                 }
179
180                 case LFUN_INDEX_INSERT:
181                         return new InsetIndex(buf);
182
183                 case LFUN_NOMENCL_INSERT: {
184                         InsetCommandParams icp(NOMENCL_CODE);
185                         icp["symbol"] = cmd.argument();
186                         return new InsetNomencl(icp);
187                 }
188
189                 case LFUN_TABULAR_INSERT: {
190                         if (cmd.argument().empty())
191                                 return 0;
192                         istringstream ss(to_utf8(cmd.argument()));
193                         int r = 0, c = 0;
194                         ss >> r >> c;
195                         if (r <= 0)
196                                 r = 2;
197                         if (c <= 0)
198                                 c = 2;
199                         return new InsetTabular(buf, r, c);
200                 }
201
202                 case LFUN_CAPTION_INSERT:
203                         return new InsetCaption(buf);
204
205                 case LFUN_INDEX_PRINT:
206                         return new InsetPrintIndex(InsetCommandParams(INDEX_PRINT_CODE));
207
208                 case LFUN_NOMENCL_PRINT:
209                         return new InsetPrintNomencl(InsetCommandParams(NOMENCL_PRINT_CODE));
210
211                 case LFUN_TOC_INSERT:
212                         return new InsetTOC(InsetCommandParams(TOC_CODE));
213
214                 case LFUN_INFO_INSERT: {
215                         InsetInfo * inset = new InsetInfo(buf, to_utf8(cmd.argument()));
216                         inset->updateInfo();
217                         return inset;
218                 }
219
220                 case LFUN_INSET_INSERT: {
221                         string const name = cmd.getArg(0);
222                         InsetCode code = insetCode(name);
223                         switch (code) {
224                         case NO_CODE:
225                                 lyxerr << "No such inset '" << name << "'.";
226                                 return 0;
227                         
228                         case BIBITEM_CODE: {
229                                 InsetCommandParams icp(code);
230                                 InsetCommand::string2params(name, to_utf8(cmd.argument()), icp);
231                                 return new InsetBibitem(buf, icp);
232                         }
233                         
234                         case BIBTEX_CODE: {
235                                 InsetCommandParams icp(code);
236                                 InsetCommand::string2params(name, to_utf8(cmd.argument()), icp);
237                                 return new InsetBibtex(buf, icp);
238                         }
239                         
240                         case CITE_CODE: {
241                                 InsetCommandParams icp(code);
242                                 InsetCommand::string2params(name, to_utf8(cmd.argument()), icp);
243                                 return new InsetCitation(icp);
244                         }
245                         
246                         case ERT_CODE: {
247                                 return new InsetERT(buf,
248                                         InsetERT::string2params(to_utf8(cmd.argument())));
249                         }
250                                 
251                         case LISTINGS_CODE: {
252                                 InsetListingsParams par;
253                                 InsetListings::string2params(to_utf8(cmd.argument()), par);
254                                 return new InsetListings(buf, par);
255                         }
256                         
257                         case EXTERNAL_CODE: {
258                                 InsetExternalParams iep;
259                                 InsetExternal::string2params(to_utf8(cmd.argument()), buf, iep);
260                                 auto_ptr<InsetExternal> inset(new InsetExternal(buf));
261                                 inset->setBuffer(buf);
262                                 inset->setParams(iep);
263                                 return inset.release();
264                         }
265                         
266                         case GRAPHICS_CODE: {
267                                 InsetGraphicsParams igp;
268                                 InsetGraphics::string2params(to_utf8(cmd.argument()), buf, igp);
269                                 auto_ptr<InsetGraphics> inset(new InsetGraphics(buf));
270                                 inset->setParams(igp);
271                                 return inset.release();
272                         }
273                         
274                         case HYPERLINK_CODE: {
275                                 InsetCommandParams icp(code);
276                                 InsetCommand::string2params(name, to_utf8(cmd.argument()), icp);
277                                 return new InsetHyperlink(icp);
278                         }
279                         
280                         case INCLUDE_CODE: {
281                                 InsetCommandParams icp(code);
282                                 InsetCommand::string2params(name, to_utf8(cmd.argument()), icp);
283                                 return new InsetInclude(icp);
284                         }
285                         
286                         case INDEX_CODE:
287                                 return new InsetIndex(buf);
288                         
289                         case NOMENCL_CODE: {
290                                 InsetCommandParams icp(code);
291                                 InsetCommand::string2params(name, lyx::to_utf8(cmd.argument()), icp);
292                                 return new InsetNomencl(icp);
293                         }
294                         
295                         case LABEL_CODE: {
296                                 InsetCommandParams icp(code);
297                                 InsetCommand::string2params(name, to_utf8(cmd.argument()), icp);
298                                 return new InsetLabel(icp);
299                         }
300                         
301                         case REF_CODE: {
302                                 InsetCommandParams icp(code);
303                                 InsetCommand::string2params(name, to_utf8(cmd.argument()), icp);
304                                 return new InsetRef(buf, icp);
305                         }
306
307                         case SPACE_CODE: {
308                                 InsetSpaceParams isp;
309                                 InsetSpace::string2params(to_utf8(cmd.argument()), isp);
310                                 return new InsetSpace(isp);
311                         }
312                         
313                         case TOC_CODE: {
314                                 InsetCommandParams icp(code);
315                                 InsetCommand::string2params(name, to_utf8(cmd.argument()), icp);
316                                 return new InsetTOC(icp);
317                         }
318                         
319                         case VSPACE_CODE: {
320                                 VSpace vspace;
321                                 InsetVSpace::string2params(to_utf8(cmd.argument()), vspace);
322                                 return new InsetVSpace(vspace);
323                         }
324                         
325                         default:
326                                 lyxerr << "Inset '" << name << "' not permitted with LFUN_INSET_INSERT."
327                                                 << endl;
328                                 return 0;
329                         
330                         }
331                 } //end LFUN_INSET_INSERT
332
333                 case LFUN_SPACE_INSERT: {
334                         string const name = cmd.getArg(0);
335                         string const len = cmd.getArg(1);
336                         if (name.empty()) {
337                                 lyxerr << "LyX function 'space-insert' needs an argument." << endl;
338                                 break;
339                         }
340                         InsetSpaceParams isp;
341                         // The tests for isp.math might be disabled after a file format change
342                         if (name == "normal")
343                                 isp.kind = InsetSpaceParams::NORMAL;
344                         else if (name == "protected")
345                                 isp.kind = InsetSpaceParams::PROTECTED;
346                         else if (name == "thin")
347                                 isp.kind = InsetSpaceParams::THIN;
348                         else if (isp.math && name == "med")
349                                 isp.kind = InsetSpaceParams::MEDIUM;
350                         else if (isp.math && name == "thick")
351                                 isp.kind = InsetSpaceParams::THICK;
352                         else if (name == "quad")
353                                 isp.kind = InsetSpaceParams::QUAD;
354                         else if (name == "qquad")
355                                 isp.kind = InsetSpaceParams::QQUAD;
356                         else if (name == "enspace")
357                                 isp.kind = InsetSpaceParams::ENSPACE;
358                         else if (name == "enskip")
359                                 isp.kind = InsetSpaceParams::ENSKIP;
360                         else if (name == "negthinspace")
361                                 isp.kind = InsetSpaceParams::NEGTHIN;
362                         else if (isp.math && name == "negmedspace")
363                                 isp.kind = InsetSpaceParams::NEGMEDIUM;
364                         else if (isp.math && name == "negthickspace")
365                                 isp.kind = InsetSpaceParams::NEGTHICK;
366                         else if (name == "hfill")
367                                 isp.kind = InsetSpaceParams::HFILL;
368                         else if (name == "hfill*")
369                                 isp.kind = InsetSpaceParams::HFILL_PROTECTED;
370                         else if (name == "dotfill")
371                                 isp.kind = InsetSpaceParams::DOTFILL;
372                         else if (name == "hrulefill")
373                                 isp.kind = InsetSpaceParams::HRULEFILL;
374                         else if (name == "hspace") {
375                                 if (len.empty() || !isValidLength(len)) {
376                                         lyxerr << "LyX function 'space-insert hspace' "
377                                                << "needs a valid length argument." << endl;
378                                         break;
379                                 }
380                                 isp.kind = InsetSpaceParams::CUSTOM;
381                                 isp.length = Length(len);
382                         }
383                         else if (name == "hspace*") {
384                                 if (len.empty() || !isValidLength(len)) {
385                                         lyxerr << "LyX function 'space-insert hspace*' "
386                                                << "needs a valid length argument." << endl;
387                                         break;
388                                 }
389                                 isp.kind = InsetSpaceParams::CUSTOM_PROTECTED;
390                                 isp.length = Length(len);
391                         }
392                         else {
393                                 lyxerr << "Wrong argument for LyX function 'space-insert'." << endl;
394                                 break;
395                         }
396                         return new InsetSpace(isp);
397                 }
398                 break;
399
400                 default:
401                         break;
402                 }
403
404         } catch (ExceptionMessage const & message) {
405                 if (message.type_ == ErrorException) {
406                         // This should never happen!
407                         Alert::error(message.title_, message.details_);
408                         lyx_exit(1);
409                 } else if (message.type_ == WarningException) {
410                         Alert::warning(message.title_, message.details_);
411                         return 0;
412                 }
413         }
414
415         return 0;
416 }
417
418
419 Inset * createInset(Buffer & buf, FuncRequest const & cmd)
420 {
421         Inset * inset = createInsetHelper(buf, cmd);
422         if (inset)
423                 inset->setBuffer(buf);
424         return inset;
425 }
426
427
428 Inset * readInset(Lexer & lex, Buffer const & buf)
429 {
430         // consistency check
431         if (lex.getString() != "\\begin_inset")
432                 LYXERR0("Buffer::readInset: Consistency check failed.");
433
434         auto_ptr<Inset> inset;
435
436         string tmptok;
437         lex >> tmptok;
438
439         // test the different insets
440         
441         // FIXME It would be better if we did not have this branch and could
442         // just do one massive switch for all insets. But at present, it's
443         // easier to do it this way, and we can't do the massive switch until
444         // the conversion mentioned below.  Note that if we do want to do a
445         // single switch, we need to remove this "CommandInset" line---or
446         // replace it with a single "InsetType" line that would be used in all
447         // insets.
448         if (tmptok == "CommandInset") {
449                 lex.next();
450                 string const insetType = lex.getString();
451                 lex.pushToken(insetType);
452                 
453                 InsetCode const code = insetCode(insetType);
454                 
455                 //FIXME If we do the one massive switch, we cannot do this here, since
456                 //we do not know in advance that we're dealing with a command inset.
457                 //Worst case, we could put it in each case below. Better, we could
458                 //pass the lexer to the constructor and let the params be built there.
459                 InsetCommandParams inscmd(code);
460                 inscmd.read(lex);
461
462                 switch (code) {
463                         case BIBITEM_CODE:
464                                 inset.reset(new InsetBibitem(buf, inscmd));
465                                 break;
466                         case BIBTEX_CODE:
467                                 inset.reset(new InsetBibtex(buf, inscmd));
468                                 break;
469                         case CITE_CODE: 
470                                 inset.reset(new InsetCitation(inscmd));
471                                 break;
472                         case HYPERLINK_CODE:
473                                 inset.reset(new InsetHyperlink(inscmd));
474                                 break;
475                         case INCLUDE_CODE:
476                                 inset.reset(new InsetInclude(inscmd));
477                                 break;
478                         case INDEX_PRINT_CODE:
479                                 inset.reset(new InsetPrintIndex(inscmd));
480                                 break;
481                         case LABEL_CODE:
482                                 inset.reset(new InsetLabel(inscmd));
483                                 break;
484                         case NOMENCL_CODE:
485                                 inset.reset(new InsetNomencl(inscmd));
486                                 break;
487                         case NOMENCL_PRINT_CODE:
488                                 inset.reset(new InsetPrintNomencl(inscmd));
489                                 break;
490                         case REF_CODE:
491                                 if (inscmd["name"].empty() && inscmd["reference"].empty())
492                                         return 0;
493                                 inset.reset(new InsetRef(buf, inscmd));
494                                 break;
495                         case TOC_CODE:
496                                 inset.reset(new InsetTOC(inscmd));
497                                 break;
498                         case NO_CODE:
499                         default:
500                                 lyxerr << "unknown CommandInset '" << insetType
501                                                         << "'" << endl;
502                                 while (lex.isOK() && lex.getString() != "\\end_inset")
503                                         lex.next();
504                                 return 0;
505                 }
506                 inset->setBuffer(const_cast<Buffer &>(buf));
507         } else { 
508                 // FIXME This branch should be made to use inset codes as the preceding 
509                 // branch does. Unfortunately, that will take some doing. It requires
510                 // converting the representation of the insets in LyX files so that they
511                 // use the inset names listed in Inset.cpp. Then, as above, the inset names
512                 // can be translated to inset codes using insetCode(). And the insets'
513                 // write() routines should use insetName() rather than hardcoding it.
514                 if (tmptok == "Quotes") {
515                         inset.reset(new InsetQuotes(buf));
516                 } else if (tmptok == "External") {
517                         inset.reset(new InsetExternal(const_cast<Buffer &>(buf)));
518                 } else if (tmptok == "FormulaMacro") {
519                         inset.reset(new MathMacroTemplate);
520                 } else if (tmptok == "Formula") {
521                         inset.reset(new InsetMathHull);
522                 } else if (tmptok == "Graphics") {
523                         inset.reset(new InsetGraphics(const_cast<Buffer &>(buf)));
524                 } else if (tmptok == "Note") {
525                         inset.reset(new InsetNote(buf, tmptok));
526                 } else if (tmptok == "Box") {
527                         inset.reset(new InsetBox(buf, tmptok));
528                 } else if (tmptok == "Flex") {
529                         lex.eatLine();
530                         string s = lex.getString();
531                         inset.reset(new InsetFlex(buf, s));
532                 } else if (tmptok == "Branch") {
533                         inset.reset(new InsetBranch(buf, InsetBranchParams()));
534                 } else if (tmptok == "Phantom") {
535                         inset.reset(new InsetPhantom(buf, tmptok));
536                 } else if (tmptok == "ERT") {
537                         inset.reset(new InsetERT(buf));
538                 } else if (tmptok == "listings") {
539                         inset.reset(new InsetListings(buf));
540                 } else if (tmptok == "space") {
541                         inset.reset(new InsetSpace);
542                 } else if (tmptok == "Tabular") {
543                         inset.reset(new InsetTabular(const_cast<Buffer &>(buf)));
544                 } else if (tmptok == "Text") {
545                         inset.reset(new InsetText(buf));
546                 } else if (tmptok == "VSpace") {
547                         inset.reset(new InsetVSpace);
548                 } else if (tmptok == "Foot") {
549                         inset.reset(new InsetFoot(buf));
550                 } else if (tmptok == "Marginal") {
551                         inset.reset(new InsetMarginal(buf));
552                 } else if (tmptok == "Newpage") {
553                         inset.reset(new InsetNewpage);
554                 } else if (tmptok == "Newline") {
555                         inset.reset(new InsetNewline);
556                 } else if (tmptok == "OptArg") {
557                         inset.reset(new InsetOptArg(buf));
558                 } else if (tmptok == "Float") {
559                         lex.next();
560                         string tmptok = lex.getString();
561                         inset.reset(new InsetFloat(buf, tmptok));
562                 } else if (tmptok == "Wrap") {
563                         lex.next();
564                         string tmptok = lex.getString();
565                         inset.reset(new InsetWrap(buf, tmptok));
566                 } else if (tmptok == "Caption") {
567                         inset.reset(new InsetCaption(buf));
568                 } else if (tmptok == "Index") {
569                         inset.reset(new InsetIndex(buf));
570                 } else if (tmptok == "FloatList") {
571                         inset.reset(new InsetFloatList);
572                 } else if (tmptok == "Info") {
573                         inset.reset(new InsetInfo(buf));
574                 } else {
575                         lyxerr << "unknown Inset type '" << tmptok
576                                << "'" << endl;
577                         while (lex.isOK() && lex.getString() != "\\end_inset")
578                                 lex.next();
579                         return 0;
580                 }
581
582                 // Set the buffer reference for proper parsing of some insets
583                 // (InsetCollapsable for example)
584                 inset->setBuffer(const_cast<Buffer &>(buf));
585                 inset->read(lex);
586                 // Set again the buffer for insets that are created inside this inset
587                 // (InsetMathHull for example).
588                 inset->setBuffer(const_cast<Buffer &>(buf));
589         }
590         return inset.release();
591 }
592
593
594 } // namespace lyx