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