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