]> git.lyx.org Git - lyx.git/blob - src/insets/InsetInclude.cpp
Fix bug 2753: LyX doesn't support paths and filenames with parentheses
[lyx.git] / src / insets / InsetInclude.cpp
1 /**
2  * \file InsetInclude.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  *
8  * Full author contact details are available in file CREDITS.
9  */
10
11 #include <config.h>
12
13 #include "InsetInclude.h"
14
15 #include "Buffer.h"
16 #include "buffer_funcs.h"
17 #include "BufferList.h"
18 #include "BufferParams.h"
19 #include "BufferView.h"
20 #include "Cursor.h"
21 #include "debug.h"
22 #include "DispatchResult.h"
23 #include "Exporter.h"
24 #include "FuncRequest.h"
25 #include "FuncStatus.h"
26 #include "gettext.h"
27 #include "LaTeXFeatures.h"
28 #include "LyX.h"
29 #include "LyXRC.h"
30 #include "Lexer.h"
31 #include "MetricsInfo.h"
32 #include "OutputParams.h"
33 #include "TocBackend.h"
34
35 #include "frontends/alert.h"
36 #include "frontends/Painter.h"
37
38 #include "graphics/PreviewImage.h"
39 #include "graphics/PreviewLoader.h"
40
41 #include "insets/RenderPreview.h"
42 #include "insets/InsetListingsParams.h"
43
44 #include "support/filetools.h"
45 #include "support/lstrings.h" // contains
46 #include "support/lyxalgo.h"
47 #include "support/lyxlib.h"
48 #include "support/convert.h"
49
50 #include <boost/bind.hpp>
51 #include <boost/filesystem/operations.hpp>
52
53
54 namespace lyx {
55   
56 // Implementation is in LyX.cpp
57 extern void dispatch(FuncRequest const & action);
58
59 using support::addName;
60 using support::absolutePath;
61 using support::bformat;
62 using support::changeExtension;
63 using support::contains;
64 using support::copy;
65 using support::DocFileName;
66 using support::FileName;
67 using support::getFileContents;
68 using support::getVectorFromString;
69 using support::isFileReadable;
70 using support::isLyXFilename;
71 using support::isValidLaTeXFilename;
72 using support::latex_path;
73 using support::makeAbsPath;
74 using support::makeDisplayPath;
75 using support::makeRelPath;
76 using support::onlyFilename;
77 using support::onlyPath;
78 using support::prefixIs;
79 using support::subst;
80 using support::sum;
81
82 using std::endl;
83 using std::string;
84 using std::auto_ptr;
85 using std::istringstream;
86 using std::ostream;
87 using std::ostringstream;
88 using std::vector;
89
90 namespace Alert = frontend::Alert;
91 namespace fs = boost::filesystem;
92
93
94 namespace {
95
96 docstring const uniqueID()
97 {
98         static unsigned int seed = 1000;
99         return "file" + convert<docstring>(++seed);
100 }
101
102
103 bool isListings(InsetCommandParams const & params)
104 {
105         return params.getCmdName() == "lstinputlisting";
106 }
107
108 } // namespace anon
109
110
111 InsetInclude::InsetInclude(InsetCommandParams const & p)
112         : params_(p), include_label(uniqueID()),
113           preview_(new RenderMonitoredPreview(this)),
114           set_label_(false), counter_(0)
115 {
116         preview_->fileChanged(boost::bind(&InsetInclude::fileChanged, this));
117 }
118
119
120 InsetInclude::InsetInclude(InsetInclude const & other)
121         : Inset(other),
122           params_(other.params_),
123           include_label(other.include_label),
124           preview_(new RenderMonitoredPreview(this)),
125           set_label_(false), counter_(0)
126 {
127         preview_->fileChanged(boost::bind(&InsetInclude::fileChanged, this));
128 }
129
130
131 InsetInclude::~InsetInclude()
132 {
133         InsetIncludeMailer(*this).hideDialog();
134 }
135
136
137 void InsetInclude::doDispatch(Cursor & cur, FuncRequest & cmd)
138 {
139         switch (cmd.action) {
140
141         case LFUN_INSET_MODIFY: {
142                 InsetCommandParams p("include");
143                 InsetIncludeMailer::string2params(to_utf8(cmd.argument()), p);
144                 if (!p.getCmdName().empty()) {
145                         if (isListings(p)){
146                                 InsetListingsParams par_old(params().getOptions());
147                                 InsetListingsParams par_new(p.getOptions());
148                                 if (par_old.getParamValue("label") !=
149                                     par_new.getParamValue("label")
150                                     && !par_new.getParamValue("label").empty())
151                                         cur.bv().buffer()->changeRefsIfUnique(
152                                                 from_utf8(par_old.getParamValue("label")),
153                                                 from_utf8(par_new.getParamValue("label")),
154                                                 Inset::REF_CODE);
155                         }
156                         set(p, cur.buffer());
157                         cur.buffer().updateBibfilesCache();
158                 } else
159                         cur.noUpdate();
160                 break;
161         }
162
163         case LFUN_INSET_DIALOG_UPDATE:
164                 InsetIncludeMailer(*this).updateDialog(&cur.bv());
165                 break;
166
167         case LFUN_MOUSE_RELEASE:
168                 if (!cur.selection())
169                         InsetIncludeMailer(*this).showDialog(&cur.bv());
170                 break;
171
172         default:
173                 Inset::doDispatch(cur, cmd);
174                 break;
175         }
176 }
177
178
179 bool InsetInclude::getStatus(Cursor & cur, FuncRequest const & cmd,
180                 FuncStatus & flag) const
181 {
182         switch (cmd.action) {
183
184         case LFUN_INSET_MODIFY:
185         case LFUN_INSET_DIALOG_UPDATE:
186                 flag.enabled(true);
187                 return true;
188
189         default:
190                 return Inset::getStatus(cur, cmd, flag);
191         }
192 }
193
194
195 InsetCommandParams const & InsetInclude::params() const
196 {
197         return params_;
198 }
199
200
201 namespace {
202
203 /// the type of inclusion
204 enum Types {
205         INCLUDE = 0,
206         VERB = 1,
207         INPUT = 2,
208         VERBAST = 3,
209         LISTINGS = 4,
210 };
211
212
213 Types type(InsetCommandParams const & params)
214 {
215         string const command_name = params.getCmdName();
216
217         if (command_name == "input")
218                 return INPUT;
219         if  (command_name == "verbatiminput")
220                 return VERB;
221         if  (command_name == "verbatiminput*")
222                 return VERBAST;
223         if  (command_name == "lstinputlisting")
224                 return LISTINGS;
225         return INCLUDE;
226 }
227
228
229 bool isVerbatim(InsetCommandParams const & params)
230 {
231         string const command_name = params.getCmdName();
232         return command_name == "verbatiminput" ||
233                 command_name == "verbatiminput*";
234 }
235
236
237 bool isInputOrInclude(InsetCommandParams const & params)
238 {
239         Types const t = type(params);
240         return (t == INPUT) || (t == INCLUDE);
241 }
242
243
244 string const masterFilename(Buffer const & buffer)
245 {
246         return buffer.getMasterBuffer()->fileName();
247 }
248
249
250 string const parentFilename(Buffer const & buffer)
251 {
252         return buffer.fileName();
253 }
254
255
256 FileName const includedFilename(Buffer const & buffer,
257                               InsetCommandParams const & params)
258 {
259         return makeAbsPath(to_utf8(params["filename"]),
260                            onlyPath(parentFilename(buffer)));
261 }
262
263
264 void add_preview(RenderMonitoredPreview &, InsetInclude const &, Buffer const &);
265
266 } // namespace anon
267
268
269 void InsetInclude::set(InsetCommandParams const & p, Buffer const & buffer)
270 {
271         params_ = p;
272         set_label_ = false;
273
274         if (preview_->monitoring())
275                 preview_->stopMonitoring();
276
277         if (type(params_) == INPUT)
278                 add_preview(*preview_, *this, buffer);
279 }
280
281
282 auto_ptr<Inset> InsetInclude::doClone() const
283 {
284         return auto_ptr<Inset>(new InsetInclude(*this));
285 }
286
287
288 void InsetInclude::write(Buffer const &, ostream & os) const
289 {
290         write(os);
291 }
292
293
294 void InsetInclude::write(ostream & os) const
295 {
296         os << "Include " << to_utf8(params_.getCommand()) << '\n'
297            << "preview " << convert<string>(params_.preview()) << '\n';
298 }
299
300
301 void InsetInclude::read(Buffer const &, Lexer & lex)
302 {
303         read(lex);
304 }
305
306
307 void InsetInclude::read(Lexer & lex)
308 {
309         if (lex.isOK()) {
310                 lex.eatLine();
311                 string const command = lex.getString();
312                 params_.scanCommand(command);
313         }
314         string token;
315         while (lex.isOK()) {
316                 lex.next();
317                 token = lex.getString();
318                 if (token == "\\end_inset")
319                         break;
320                 if (token == "preview") {
321                         lex.next();
322                         params_.preview(lex.getBool());
323                 } else
324                         lex.printError("Unknown parameter name `$$Token' for command " + params_.getCmdName());
325         }
326         if (token != "\\end_inset") {
327                 lex.printError("Missing \\end_inset at this point. "
328                                "Read: `$$Token'");
329         }
330 }
331
332
333 docstring const InsetInclude::getScreenLabel(Buffer const & buf) const
334 {
335         docstring temp;
336
337         switch (type(params_)) {
338                 case INPUT:
339                         temp += buf.B_("Input");
340                         break;
341                 case VERB:
342                         temp += buf.B_("Verbatim Input");
343                         break;
344                 case VERBAST:
345                         temp += buf.B_("Verbatim Input*");
346                         break;
347                 case INCLUDE:
348                         temp += buf.B_("Include");
349                         break;
350                 case LISTINGS: {
351                         if (counter_ > 0)
352                                 temp += buf.B_("Program Listing ") + convert<docstring>(counter_);
353                         else
354                                 temp += buf.B_("Program Listing");
355                         break;
356                 }
357         }
358
359         temp += ": ";
360
361         if (params_["filename"].empty())
362                 temp += "???";
363         else
364                 temp += from_utf8(onlyFilename(to_utf8(params_["filename"])));
365
366         return temp;
367 }
368
369
370 namespace {
371
372 /// return the child buffer if the file is a LyX doc and is loaded
373 Buffer * getChildBuffer(Buffer const & buffer, InsetCommandParams const & params)
374 {
375         if (isVerbatim(params) || isListings(params))
376                 return 0;
377
378         string const included_file = includedFilename(buffer, params).absFilename();
379         if (!isLyXFilename(included_file))
380                 return 0;
381
382         Buffer * childBuffer = theBufferList().getBuffer(included_file);
383
384         //FIXME RECURSIVE INCLUDES
385         if (childBuffer == & buffer)
386                 return 0;
387         else
388                 return childBuffer;
389 }
390
391
392 /// return true if the file is or got loaded.
393 bool loadIfNeeded(Buffer const & buffer, InsetCommandParams const & params)
394 {
395         if (isVerbatim(params) || isListings(params))
396                 return false;
397
398         FileName const included_file = includedFilename(buffer, params);
399         if (!isLyXFilename(included_file.absFilename()))
400                 return false;
401
402         Buffer * buf = theBufferList().getBuffer(included_file.absFilename());
403         if (!buf) {
404                 // the readonly flag can/will be wrong, not anymore I think.
405                 if (!fs::exists(included_file.toFilesystemEncoding()))
406                         return false;
407                 lyx::dispatch(FuncRequest(LFUN_BUFFER_CHILD_OPEN,
408                         included_file.absFilename() + "|true"));
409                 buf = theBufferList().getBuffer(included_file.absFilename());
410                 return buf;
411         }
412         buf->setParentName(parentFilename(buffer));
413         return true;
414 }
415
416
417 } // namespace anon
418
419
420 int InsetInclude::latex(Buffer const & buffer, odocstream & os,
421                         OutputParams const & runparams) const
422 {
423         string incfile(to_utf8(params_["filename"]));
424
425         // Do nothing if no file name has been specified
426         if (incfile.empty())
427                 return 0;
428
429         FileName const included_file(includedFilename(buffer, params_));
430
431         //Check we're not trying to include ourselves.
432         //FIXME RECURSIVE INCLUDE
433         //This isn't sufficient, as the inclusion could be downstream.
434         //But it'll have to do for now.
435         if (isInputOrInclude(params_) &&
436                 buffer.fileName() == included_file.absFilename())
437         {
438                 Alert::error(_("Recursive input"),
439                                bformat(_("Attempted to include file %1$s in itself! "
440                                "Ignoring inclusion."), from_utf8(incfile)));
441                 return 0;
442         }
443
444         Buffer const * const m_buffer = buffer.getMasterBuffer();
445
446         // if incfile is relative, make it relative to the master
447         // buffer directory.
448         if (!absolutePath(incfile)) {
449                 // FIXME UNICODE
450                 incfile = to_utf8(makeRelPath(from_utf8(included_file.absFilename()),
451                                               from_utf8(m_buffer->filePath())));
452         }
453
454         // write it to a file (so far the complete file)
455         string const exportfile = changeExtension(incfile, ".tex");
456         string const mangled =
457                 DocFileName(changeExtension(included_file.absFilename(),".tex")).
458                         mangledFilename();
459         FileName const writefile(makeAbsPath(mangled, m_buffer->temppath()));
460
461         if (!runparams.nice)
462                 incfile = mangled;
463         else if (!isValidLaTeXFilename(incfile)) {
464                 frontend::Alert::warning(_("Invalid filename"),
465                                          _("The following filename is likely to cause trouble "
466                                            "when running the exported file through LaTeX: ") +
467                                             from_utf8(incfile));
468         }
469         LYXERR(Debug::LATEX) << "incfile:" << incfile << endl;
470         LYXERR(Debug::LATEX) << "exportfile:" << exportfile << endl;
471         LYXERR(Debug::LATEX) << "writefile:" << writefile << endl;
472
473         if (runparams.inComment || runparams.dryrun) {
474                 //Don't try to load or copy the file if we're
475                 //in a comment or doing a dryrun
476         } else if (isInputOrInclude(params_) &&
477                  isLyXFilename(included_file.absFilename())) {
478                 //if it's a LyX file and we're inputting or including,
479                 //try to load it so we can write the associated latex
480                 if (!loadIfNeeded(buffer, params_))
481                         return false;
482
483                 Buffer * tmp = theBufferList().getBuffer(included_file.absFilename());
484
485                 if (tmp->params().textclass != m_buffer->params().textclass) {
486                         // FIXME UNICODE
487                         docstring text = bformat(_("Included file `%1$s'\n"
488                                                 "has textclass `%2$s'\n"
489                                                              "while parent file has textclass `%3$s'."),
490                                               makeDisplayPath(included_file.absFilename()),
491                                               from_utf8(tmp->params().getTextClass().name()),
492                                               from_utf8(m_buffer->params().getTextClass().name()));
493                         Alert::warning(_("Different textclasses"), text);
494                         //return 0;
495                 }
496
497                 tmp->markDepClean(m_buffer->temppath());
498
499 #ifdef WITH_WARNINGS
500 #warning handle non existing files
501 #warning Second argument is irrelevant!
502 // since only_body is true, makeLaTeXFile will not look at second
503 // argument. Should we set it to string(), or should makeLaTeXFile
504 // make use of it somehow? (JMarc 20031002)
505 #endif
506                 // The included file might be written in a different encoding
507                 Encoding const * const oldEnc = runparams.encoding;
508                 runparams.encoding = &tmp->params().encoding();
509                 tmp->makeLaTeXFile(writefile,
510                                    onlyPath(masterFilename(buffer)),
511                                    runparams, false);
512                 runparams.encoding = oldEnc;
513         } else {
514                 // In this case, it's not a LyX file, so we copy the file
515                 // to the temp dir, so that .aux files etc. are not created
516                 // in the original dir. Files included by this file will be
517                 // found via input@path, see ../Buffer.cpp.
518                 unsigned long const checksum_in  = sum(included_file);
519                 unsigned long const checksum_out = sum(writefile);
520
521                 if (checksum_in != checksum_out) {
522                         if (!copy(included_file, writefile)) {
523                                 // FIXME UNICODE
524                                 LYXERR(Debug::LATEX)
525                                         << to_utf8(bformat(_("Could not copy the file\n%1$s\n"
526                                                                   "into the temporary directory."),
527                                                    from_utf8(included_file.absFilename())))
528                                         << endl;
529                                 return 0;
530                         }
531                 }
532         }
533
534         string const tex_format = (runparams.flavor == OutputParams::LATEX) ?
535                         "latex" : "pdflatex";
536         if (isVerbatim(params_)) {
537                 incfile = latex_path(incfile);
538                 // FIXME UNICODE
539                 os << '\\' << from_ascii(params_.getCmdName()) << '{'
540                    << from_utf8(incfile) << '}';
541         } else if (type(params_) == INPUT) {
542                 runparams.exportdata->addExternalFile(tex_format, writefile,
543                                                       exportfile);
544
545                 // \input wants file with extension (default is .tex)
546                 if (!isLyXFilename(included_file.absFilename())) {
547                         incfile = latex_path(incfile);
548                         // FIXME UNICODE
549                         os << '\\' << from_ascii(params_.getCmdName())
550                            << '{' << from_utf8(incfile) << '}';
551                 } else {
552                 incfile = changeExtension(incfile, ".tex");
553                 incfile = latex_path(incfile);
554                         // FIXME UNICODE
555                         os << '\\' << from_ascii(params_.getCmdName())
556                            << '{' << from_utf8(incfile) <<  '}';
557                 }
558         } else if (type(params_) == LISTINGS) {
559                 os << '\\' << from_ascii(params_.getCmdName());
560                 string opt = params_.getOptions();
561                 // opt is set in QInclude dialog and should have passed validation.
562                 InsetListingsParams params(opt);
563                 if (!params.params().empty())
564                         os << "[" << from_utf8(params.params()) << "]";
565                 os << '{'  << from_utf8(incfile) << '}';
566         } else {
567                 runparams.exportdata->addExternalFile(tex_format, writefile,
568                                                       exportfile);
569
570                 // \include don't want extension and demands that the
571                 // file really have .tex
572                 incfile = changeExtension(incfile, string());
573                 incfile = latex_path(incfile);
574                 // FIXME UNICODE
575                 os << '\\' << from_ascii(params_.getCmdName()) << '{'
576                    << from_utf8(incfile) << '}';
577         }
578
579         return 0;
580 }
581
582
583 int InsetInclude::plaintext(Buffer const & buffer, odocstream & os,
584                             OutputParams const &) const
585 {
586         if (isVerbatim(params_) || isListings(params_)) {
587                 os << '[' << getScreenLabel(buffer) << '\n';
588                 // FIXME: We don't know the encoding of the file
589                 docstring const str =
590                      from_utf8(getFileContents(includedFilename(buffer, params_)));
591                 os << str;
592                 os << "\n]";
593                 return PLAINTEXT_NEWLINE + 1; // one char on a separate line
594         } else {
595                 docstring const str = '[' + getScreenLabel(buffer) + ']';
596                 os << str;
597                 return str.size();
598         }
599 }
600
601
602 int InsetInclude::docbook(Buffer const & buffer, odocstream & os,
603                           OutputParams const & runparams) const
604 {
605         string incfile = to_utf8(params_["filename"]);
606
607         // Do nothing if no file name has been specified
608         if (incfile.empty())
609                 return 0;
610
611         string const included_file = includedFilename(buffer, params_).absFilename();
612
613         //Check we're not trying to include ourselves.
614         //FIXME RECURSIVE INCLUDE
615         //This isn't sufficient, as the inclusion could be downstream.
616         //But it'll have to do for now.
617         if (buffer.fileName() == included_file) {
618                 Alert::error(_("Recursive input"),
619                                bformat(_("Attempted to include file %1$s in itself! "
620                                "Ignoring inclusion."), from_utf8(incfile)));
621                 return 0;
622         }
623
624         // write it to a file (so far the complete file)
625         string const exportfile = changeExtension(incfile, ".sgml");
626         DocFileName writefile(changeExtension(included_file, ".sgml"));
627
628         if (loadIfNeeded(buffer, params_)) {
629                 Buffer * tmp = theBufferList().getBuffer(included_file);
630
631                 string const mangled = writefile.mangledFilename();
632                 writefile = makeAbsPath(mangled,
633                                         buffer.getMasterBuffer()->temppath());
634                 if (!runparams.nice)
635                         incfile = mangled;
636
637                 LYXERR(Debug::LATEX) << "incfile:" << incfile << endl;
638                 LYXERR(Debug::LATEX) << "exportfile:" << exportfile << endl;
639                 LYXERR(Debug::LATEX) << "writefile:" << writefile << endl;
640
641                 tmp->makeDocBookFile(writefile, runparams, true);
642         }
643
644         runparams.exportdata->addExternalFile("docbook", writefile,
645                                               exportfile);
646         runparams.exportdata->addExternalFile("docbook-xml", writefile,
647                                               exportfile);
648
649         if (isVerbatim(params_) || isListings(params_)) {
650                 os << "<inlinegraphic fileref=\""
651                    << '&' << include_label << ';'
652                    << "\" format=\"linespecific\">";
653         } else
654                 os << '&' << include_label << ';';
655
656         return 0;
657 }
658
659
660 void InsetInclude::validate(LaTeXFeatures & features) const
661 {
662         string incfile(to_utf8(params_["filename"]));
663         string writefile;
664
665         Buffer const & buffer = features.buffer();
666
667         string const included_file = includedFilename(buffer, params_).absFilename();
668
669         if (isLyXFilename(included_file))
670                 writefile = changeExtension(included_file, ".sgml");
671         else
672                 writefile = included_file;
673
674         if (!features.runparams().nice && !isVerbatim(params_) && !isListings(params_)) {
675                 incfile = DocFileName(writefile).mangledFilename();
676                 writefile = makeAbsPath(incfile,
677                                         buffer.getMasterBuffer()->temppath()).absFilename();
678         }
679
680         features.includeFile(include_label, writefile);
681
682         if (isVerbatim(params_))
683                 features.require("verbatim");
684         else if (isListings(params_))
685                 features.require("listings");
686
687         // Here we must do the fun stuff...
688         // Load the file in the include if it needs
689         // to be loaded:
690         if (loadIfNeeded(buffer, params_)) {
691                 // a file got loaded
692                 Buffer * const tmp = theBufferList().getBuffer(included_file);
693                 // make sure the buffer isn't us
694                 // FIXME RECURSIVE INCLUDES
695                 // This is not sufficient, as recursive includes could be
696                 // more than a file away. But it will do for now.
697                 if (tmp && tmp != & buffer) {
698                         // We must temporarily change features.buffer,
699                         // otherwise it would always be the master buffer,
700                         // and nested includes would not work.
701                         features.setBuffer(*tmp);
702                         tmp->validate(features);
703                         features.setBuffer(buffer);
704                 }
705         }
706 }
707
708
709 void InsetInclude::getLabelList(Buffer const & buffer,
710                                 std::vector<docstring> & list) const
711 {
712         if (isListings(params_)) {
713                 InsetListingsParams params(params_.getOptions());
714                 string label = params.getParamValue("label");
715                 if (!label.empty())
716                         list.push_back(from_utf8(label));
717         }
718         else if (loadIfNeeded(buffer, params_)) {
719                 string const included_file = includedFilename(buffer, params_).absFilename();
720                 Buffer * tmp = theBufferList().getBuffer(included_file);
721                 tmp->setParentName("");
722                 tmp->getLabelList(list);
723                 tmp->setParentName(parentFilename(buffer));
724         }
725 }
726
727
728 void InsetInclude::fillWithBibKeys(Buffer const & buffer,
729                 std::vector<std::pair<string, docstring> > & keys) const
730 {
731         if (loadIfNeeded(buffer, params_)) {
732                 string const included_file = includedFilename(buffer, params_).absFilename();
733                 Buffer * tmp = theBufferList().getBuffer(included_file);
734                 tmp->setParentName("");
735                 tmp->fillWithBibKeys(keys);
736                 tmp->setParentName(parentFilename(buffer));
737         }
738 }
739
740
741 void InsetInclude::updateBibfilesCache(Buffer const & buffer)
742 {
743         Buffer * const tmp = getChildBuffer(buffer, params_);
744         if (tmp) {
745                 tmp->setParentName("");
746                 tmp->updateBibfilesCache();
747                 tmp->setParentName(parentFilename(buffer));
748         }
749 }
750
751
752 std::vector<FileName> const &
753 InsetInclude::getBibfilesCache(Buffer const & buffer) const
754 {
755         Buffer * const tmp = getChildBuffer(buffer, params_);
756         if (tmp) {
757                 tmp->setParentName("");
758                 std::vector<FileName> const & cache = tmp->getBibfilesCache();
759                 tmp->setParentName(parentFilename(buffer));
760                 return cache;
761         }
762         static std::vector<FileName> const empty;
763         return empty;
764 }
765
766
767 bool InsetInclude::metrics(MetricsInfo & mi, Dimension & dim) const
768 {
769         BOOST_ASSERT(mi.base.bv && mi.base.bv->buffer());
770
771         bool use_preview = false;
772         if (RenderPreview::status() != LyXRC::PREVIEW_OFF) {
773                 graphics::PreviewImage const * pimage =
774                         preview_->getPreviewImage(*mi.base.bv->buffer());
775                 use_preview = pimage && pimage->image();
776         }
777
778         if (use_preview) {
779                 preview_->metrics(mi, dim);
780         } else {
781                 if (!set_label_) {
782                         set_label_ = true;
783                         button_.update(getScreenLabel(*mi.base.bv->buffer()),
784                                        true);
785                 }
786                 button_.metrics(mi, dim);
787         }
788
789         Box b(0, dim.wid, -dim.asc, dim.des);
790         button_.setBox(b);
791
792         bool const changed = dim_ != dim;
793         dim_ = dim;
794         return changed;
795 }
796
797
798 void InsetInclude::draw(PainterInfo & pi, int x, int y) const
799 {
800         setPosCache(pi, x, y);
801
802         BOOST_ASSERT(pi.base.bv && pi.base.bv->buffer());
803
804         bool use_preview = false;
805         if (RenderPreview::status() != LyXRC::PREVIEW_OFF) {
806                 graphics::PreviewImage const * pimage =
807                         preview_->getPreviewImage(*pi.base.bv->buffer());
808                 use_preview = pimage && pimage->image();
809         }
810
811         if (use_preview)
812                 preview_->draw(pi, x, y);
813         else
814                 button_.draw(pi, x, y);
815 }
816
817
818 Inset::DisplayType InsetInclude::display() const
819 {
820         return type(params_) == INPUT ? Inline : AlignCenter;
821 }
822
823
824
825 //
826 // preview stuff
827 //
828
829 void InsetInclude::fileChanged() const
830 {
831         Buffer const * const buffer_ptr = LyX::cref().updateInset(this);
832         if (!buffer_ptr)
833                 return;
834
835         Buffer const & buffer = *buffer_ptr;
836         preview_->removePreview(buffer);
837         add_preview(*preview_.get(), *this, buffer);
838         preview_->startLoading(buffer);
839 }
840
841
842 namespace {
843
844 bool preview_wanted(InsetCommandParams const & params, Buffer const & buffer)
845 {
846         FileName const included_file = includedFilename(buffer, params);
847
848         return type(params) == INPUT && params.preview() &&
849                 isFileReadable(included_file);
850 }
851
852
853 docstring const latex_string(InsetInclude const & inset, Buffer const & buffer)
854 {
855         odocstringstream os;
856         // We don't need to set runparams.encoding since this will be done
857         // by latex() anyway.
858         OutputParams runparams(0);
859         runparams.flavor = OutputParams::LATEX;
860         inset.latex(buffer, os, runparams);
861
862         return os.str();
863 }
864
865
866 void add_preview(RenderMonitoredPreview & renderer, InsetInclude const & inset,
867                  Buffer const & buffer)
868 {
869         InsetCommandParams const & params = inset.params();
870         if (RenderPreview::status() != LyXRC::PREVIEW_OFF &&
871             preview_wanted(params, buffer)) {
872                 renderer.setAbsFile(includedFilename(buffer, params));
873                 docstring const snippet = latex_string(inset, buffer);
874                 renderer.addPreview(snippet, buffer);
875         }
876 }
877
878 } // namespace anon
879
880
881 void InsetInclude::addPreview(graphics::PreviewLoader & ploader) const
882 {
883         Buffer const & buffer = ploader.buffer();
884         if (preview_wanted(params(), buffer)) {
885                 preview_->setAbsFile(includedFilename(buffer, params()));
886                 docstring const snippet = latex_string(*this, buffer);
887                 preview_->addPreview(snippet, ploader);
888         }
889 }
890
891
892 void InsetInclude::addToToc(TocList & toclist, Buffer const & buffer, ParConstIterator const & pit) const
893 {
894         if (isListings(params_)) {
895                 InsetListingsParams params(params_.getOptions());
896                 string caption = params.getParamValue("caption");
897                 if (!caption.empty()) {
898                         Toc & toc = toclist["listing"];
899                         docstring const str = convert<docstring>(toc.size() + 1)
900                                 + ". " +  from_utf8(caption);
901                         // This inset does not have a valid ParConstIterator 
902                         // so it has to use the iterator of its parent paragraph
903                         toc.push_back(TocItem(pit, 0, str));
904                 }
905                 return;
906         }
907         Buffer const * const childbuffer = getChildBuffer(buffer, params_);
908         if (!childbuffer)
909                 return;
910
911         TocList const & childtoclist = childbuffer->tocBackend().tocs();
912         TocList::const_iterator it = childtoclist.begin();
913         TocList::const_iterator const end = childtoclist.end();
914         for(; it != end; ++it)
915                 toclist[it->first].insert(toclist[it->first].end(),
916                                 it->second.begin(), it->second.end());
917 }
918
919
920 void InsetInclude::updateLabels(Buffer const & buffer) const
921 {
922         Buffer const * const childbuffer = getChildBuffer(buffer, params_);
923         if (!childbuffer)
924                 return;
925
926         lyx::updateLabels(*childbuffer, true);
927 }
928
929
930 void InsetInclude::updateCounter(Counters & counters)
931 {
932         if (!isListings(params_))
933                 return;
934
935         InsetListingsParams const par = params_.getOptions();
936         if (par.getParamValue("caption").empty())
937                 counter_ = 0;
938         else {
939                 counters.step(from_ascii("listing"));
940                 counter_ = counters.value(from_ascii("listing"));
941         }
942 }
943
944
945 string const InsetIncludeMailer::name_("include");
946
947 InsetIncludeMailer::InsetIncludeMailer(InsetInclude & inset)
948         : inset_(inset)
949 {}
950
951
952 string const InsetIncludeMailer::inset2string(Buffer const &) const
953 {
954         return params2string(inset_.params());
955 }
956
957
958 void InsetIncludeMailer::string2params(string const & in,
959                                        InsetCommandParams & params)
960 {
961         params.clear();
962         if (in.empty())
963                 return;
964
965         istringstream data(in);
966         Lexer lex(0,0);
967         lex.setStream(data);
968
969         string name;
970         lex >> name;
971         if (!lex || name != name_)
972                 return print_mailer_error("InsetIncludeMailer", in, 1, name_);
973
974         // This is part of the inset proper that is usually swallowed
975         // by Text::readInset
976         string id;
977         lex >> id;
978         if (!lex || id != "Include")
979                 return print_mailer_error("InsetIncludeMailer", in, 2, "Include");
980
981         InsetInclude inset(params);
982         inset.read(lex);
983         params = inset.params();
984 }
985
986
987 string const
988 InsetIncludeMailer::params2string(InsetCommandParams const & params)
989 {
990         InsetInclude inset(params);
991         ostringstream data;
992         data << name_ << ' ';
993         inset.write(data);
994         data << "\\end_inset\n";
995         return data.str();
996 }
997
998
999 } // namespace lyx