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/InsetBox.h"
  26 #include "insets/InsetBranch.h"
  27 #include "insets/InsetCaption.h"
  28 #include "insets/InsetCitation.h"
  29 #include "insets/InsetFlex.h"
  30 #include "insets/InsetERT.h"
  31 #include "insets/InsetListings.h"
  32 #include "insets/InsetExternal.h"
  33 #include "insets/InsetFloat.h"
  34 #include "insets/InsetFloatList.h"
  35 #include "insets/InsetFoot.h"
  36 #include "insets/InsetGraphics.h"
  37 #include "insets/InsetHyperlink.h"
  38 #include "insets/InsetInclude.h"
  39 #include "insets/InsetIndex.h"
  40 #include "insets/InsetInfo.h"
  41 #include "insets/InsetLabel.h"
  42 #include "insets/InsetLine.h"
  43 #include "insets/InsetMarginal.h"
  44 #include "insets/InsetNewline.h"
  45 #include "insets/InsetNewpage.h"
  46 #include "insets/InsetNomencl.h"
  47 #include "insets/InsetNote.h"
  48 #include "insets/InsetOptArg.h"
  49 #include "insets/InsetPhantom.h"
  50 #include "insets/InsetRef.h"
  51 #include "insets/InsetSpace.h"
  52 #include "insets/InsetTabular.h"
  53 #include "insets/InsetTOC.h"
  54 #include "insets/InsetVSpace.h"
  55 #include "insets/InsetWrap.h"
  56
  57 #include "mathed/MathMacroTemplate.h"
  58 #include "mathed/InsetMathHull.h"
  59
  60 #include "frontends/alert.h"
  61
  62 #include "support/debug.h"
  63 #include "support/lstrings.h"
  64 #include "support/ExceptionMessage.h"
  65
  66 #include "support/lassert.h"
  67
  68 #include <sstream>
  69
  70 using namespace std;
  71 using namespace lyx::support;
  72
  73 namespace lyx {
  74
  75 namespace Alert = frontend::Alert;
  76
  77
  78 Inset * createInsetHelper(Buffer * buf, FuncRequest const & cmd)
  79 {
  80         BufferParams const & params = buf->params();
  81
  82         try {
  83
  84                 switch (cmd.action) {
  85
  86                 case LFUN_LINE_INSERT:
  87                         return new InsetLine;
  88
  89                 case LFUN_NEWPAGE_INSERT: {
  90                         string const name = cmd.getArg(0);
  91                         InsetNewpageParams inp;
  92                         if (name.empty() || name == "newpage")
  93                                 inp.kind = InsetNewpageParams::NEWPAGE;
  94                         else if (name == "pagebreak")
  95                                 inp.kind = InsetNewpageParams::PAGEBREAK;
  96                         else if (name == "clearpage")
  97                                 inp.kind = InsetNewpageParams::CLEARPAGE;
  98                         else if (name == "cleardoublepage")
  99                                 inp.kind = InsetNewpageParams::CLEARDOUBLEPAGE;
 100                         return new InsetNewpage(inp);
 101                 }
 102
 103                 case LFUN_FLEX_INSERT: {
 104                         string s = cmd.getArg(0);
 105                         return new InsetFlex(buf, s);
 106                 }
 107
 108                 case LFUN_NOTE_INSERT: {
 109                         string arg = cmd.getArg(0);
 110                         if (arg.empty())
 111                                 arg = "Note";
 112                         return new InsetNote(buf, arg);
 113                 }
 114
 115                 case LFUN_BOX_INSERT: {
 116                         string arg = cmd.getArg(0);
 117                         if (arg.empty())
 118                                 arg = "Boxed";
 119                         return new InsetBox(buf, arg);
 120                 }
 121
 122                 case LFUN_BRANCH_INSERT: {
 123                         docstring arg = cmd.argument();
 124                         if (arg.empty())
 125                                 arg = from_ascii("none");
 126                         return new InsetBranch(buf, InsetBranchParams(arg));
 127                 }
 128
 129                 case LFUN_PHANTOM_INSERT: {
 130                         string arg = cmd.getArg(0);
 131                         if (arg.empty())
 132                                 arg = "Phantom";
 133                         return new InsetPhantom(buf, arg);
 134                 }
 135
 136                 case LFUN_ERT_INSERT:
 137                         return new InsetERT(buf);
 138
 139                 case LFUN_LISTING_INSERT:
 140                         return new InsetListings(buf);
 141
 142                 case LFUN_FOOTNOTE_INSERT:
 143                         return new InsetFoot(buf);
 144
 145                 case LFUN_MARGINALNOTE_INSERT:
 146                         return new InsetMarginal(buf);
 147
 148                 case LFUN_OPTIONAL_INSERT:
 149                         return new InsetOptArg(buf);
 150
 151                 case LFUN_FLOAT_INSERT: {
 152                         // check if the float type exists
 153                         string const argument = to_utf8(cmd.argument());
 154                         if (params.documentClass().floats().typeExist(argument))
 155                                 return new InsetFloat(buf, argument);
 156                         lyxerr << "Non-existent float type: " << argument << endl;
 157                 }
 158
 159                 case LFUN_FLOAT_WIDE_INSERT: {
 160                         // check if the float type exists
 161                         string const argument = to_utf8(cmd.argument());
 162                         if (params.documentClass().floats().typeExist(argument)) {
 163                                 auto_ptr<InsetFloat> p(new InsetFloat(buf, argument));
 164                                 p->setWide(true);
 165                                 return p.release();
 166                         }
 167                         lyxerr << "Non-existent float type: " << argument << endl;
 168                         return 0;
 169                 }
 170
 171                 case LFUN_WRAP_INSERT: {
 172                         string const argument = to_utf8(cmd.argument());
 173                         if (argument == "figure" || argument == "table")
 174                                 return new InsetWrap(buf, argument);
 175                         lyxerr << "Non-existent wrapfig type: " << argument << endl;
 176                         return 0;
 177                 }
 178
 179                 case LFUN_INDEX_INSERT: {
 180                         docstring arg = cmd.argument();
 181                         return new InsetIndex(buf, InsetIndexParams(arg));
 182                 }
 183
 184                 case LFUN_NOMENCL_INSERT: {
 185                         InsetCommandParams icp(NOMENCL_CODE);
 186                         icp["symbol"] = cmd.argument();
 187                         return new InsetNomencl(buf, icp);
 188                 }
 189
 190                 case LFUN_TABULAR_INSERT: {
 191                         if (cmd.argument().empty())
 192                                 return 0;
 193                         istringstream ss(to_utf8(cmd.argument()));
 194                         int r = 0, c = 0;
 195                         ss >> r >> c;
 196                         if (r <= 0)
 197                                 r = 2;
 198                         if (c <= 0)
 199                                 c = 2;
 200                         return new InsetTabular(buf, r, c);
 201                 }
 202
 203                 case LFUN_CAPTION_INSERT:
 204                         return new InsetCaption(buf);
 205
 206                 case LFUN_INDEX_PRINT:  {
 207                         InsetCommandParams icp(INDEX_PRINT_CODE);
 208                         icp["type"] = cmd.argument();
 209                         return new InsetPrintIndex(buf, icp);
 210                 }
 211
 212                 case LFUN_NOMENCL_PRINT: {
 213                         InsetCommandParams icp(NOMENCL_PRINT_CODE);
 214                         icp["set_width"] = from_ascii("auto");
 215                         return new InsetPrintNomencl(buf, icp);
 216                 }
 217
 218                 case LFUN_TOC_INSERT:
 219                         return new InsetTOC(buf, InsetCommandParams(TOC_CODE));
 220
 221                 case LFUN_INFO_INSERT: {
 222                         InsetInfo * inset = new InsetInfo(buf, to_utf8(cmd.argument()));
 223                         inset->updateInfo();
 224                         return inset;
 225                 }
 226
 227                 case LFUN_INSET_INSERT: {
 228                         string const name = cmd.getArg(0);
 229                         InsetCode code = insetCode(name);
 230                         switch (code) {
 231                         case NO_CODE:
 232                                 lyxerr << "No such inset '" << name << "'.";
 233                                 return 0;
 234
 235                         case BIBITEM_CODE: {
 236                                 InsetCommandParams icp(code);
 237                                 InsetCommand::string2params(name, to_utf8(cmd.argument()), icp);
 238                                 return new InsetBibitem(buf, icp);
 239                         }
 240
 241                         case BIBTEX_CODE: {
 242                                 InsetCommandParams icp(code);
 243                                 InsetCommand::string2params(name, to_utf8(cmd.argument()), icp);
 244                                 return new InsetBibtex(buf, icp);
 245                         }
 246
 247                         case CITE_CODE: {
 248                                 InsetCommandParams icp(code);
 249                                 InsetCommand::string2params(name, to_utf8(cmd.argument()), icp);
 250                                 return new InsetCitation(buf, icp);
 251                         }
 252
 253                         case ERT_CODE: {
 254                                 return new InsetERT(buf,
 255                                         InsetERT::string2params(to_utf8(cmd.argument())));
 256                         }
 257
 258                         case LISTINGS_CODE: {
 259                                 InsetListingsParams par;
 260                                 InsetListings::string2params(to_utf8(cmd.argument()), par);
 261                                 return new InsetListings(buf, par);
 262                         }
 263
 264                         case EXTERNAL_CODE: {
 265                                 InsetExternalParams iep;
 266                                 InsetExternal::string2params(to_utf8(cmd.argument()), *buf, iep);
 267                                 auto_ptr<InsetExternal> inset(new InsetExternal(buf));
 268                                 inset->setBuffer(*buf);
 269                                 inset->setParams(iep);
 270                                 return inset.release();
 271                         }
 272
 273                         case GRAPHICS_CODE: {
 274                                 InsetGraphicsParams igp;
 275                                 InsetGraphics::string2params(to_utf8(cmd.argument()), *buf, igp);
 276                                 auto_ptr<InsetGraphics> inset(new InsetGraphics(buf));
 277                                 inset->setParams(igp);
 278                                 return inset.release();
 279                         }
 280
 281                         case HYPERLINK_CODE: {
 282                                 InsetCommandParams icp(code);
 283                                 InsetCommand::string2params(name, to_utf8(cmd.argument()), icp);
 284                                 return new InsetHyperlink(buf, icp);
 285                         }
 286
 287                         case INCLUDE_CODE: {
 288                                 InsetCommandParams icp(code);
 289                                 InsetCommand::string2params(name, to_utf8(cmd.argument()), icp);
 290                                 return new InsetInclude(buf, icp);
 291                         }
 292
 293                         case INDEX_CODE: {
 294                                 docstring arg = cmd.argument();
 295                                 return new InsetIndex(buf, InsetIndexParams(arg));
 296                         }
 297
 298                         case INDEX_PRINT_CODE:  {
 299                                 InsetCommandParams icp(code);
 300                                 InsetCommand::string2params(name, to_utf8(cmd.argument()), icp);
 301                                 return new InsetPrintIndex(buf, icp);
 302                         }
 303
 304                         case NOMENCL_CODE: {
 305                                 InsetCommandParams icp(code);
 306                                 InsetCommand::string2params(name, to_utf8(cmd.argument()), icp);
 307                                 return new InsetNomencl(buf, icp);
 308                         }
 309
 310                         case LABEL_CODE: {
 311                                 InsetCommandParams icp(code);
 312                                 InsetCommand::string2params(name, to_utf8(cmd.argument()), icp);
 313                                 return new InsetLabel(buf, icp);
 314                         }
 315
 316                         case REF_CODE: {
 317                                 InsetCommandParams icp(code);
 318                                 InsetCommand::string2params(name, to_utf8(cmd.argument()), icp);
 319                                 return new InsetRef(buf, icp);
 320                         }
 321
 322                         case SPACE_CODE: {
 323                                 InsetSpaceParams isp;
 324                                 InsetSpace::string2params(to_utf8(cmd.argument()), isp);
 325                                 return new InsetSpace(isp);
 326                         }
 327
 328                         case TOC_CODE: {
 329                                 InsetCommandParams icp(code);
 330                                 InsetCommand::string2params(name, to_utf8(cmd.argument()), icp);
 331                                 return new InsetTOC(buf, icp);
 332                         }
 333
 334                         case VSPACE_CODE: {
 335                                 VSpace vspace;
 336                                 InsetVSpace::string2params(to_utf8(cmd.argument()), vspace);
 337                                 return new InsetVSpace(vspace);
 338                         }
 339
 340                         default:
 341                                 lyxerr << "Inset '" << name << "' not permitted with LFUN_INSET_INSERT."
 342                                                 << endl;
 343                                 return 0;
 344
 345                         }
 346                 } //end LFUN_INSET_INSERT
 347
 348                 case LFUN_SPACE_INSERT: {
 349                         string const name = cmd.getArg(0);
 350                         string const len = cmd.getArg(1);
 351                         if (name.empty()) {
 352                                 lyxerr << "LyX function 'space-insert' needs an argument." << endl;
 353                                 break;
 354                         }
 355                         InsetSpaceParams isp;
 356                         // The tests for isp.math might be disabled after a file format change
 357                         if (name == "normal")
 358                                 isp.kind = InsetSpaceParams::NORMAL;
 359                         else if (name == "protected")
 360                                 isp.kind = InsetSpaceParams::PROTECTED;
 361                         else if (name == "thin")
 362                                 isp.kind = InsetSpaceParams::THIN;
 363                         else if (isp.math && name == "med")
 364                                 isp.kind = InsetSpaceParams::MEDIUM;
 365                         else if (isp.math && name == "thick")
 366                                 isp.kind = InsetSpaceParams::THICK;
 367                         else if (name == "quad")
 368                                 isp.kind = InsetSpaceParams::QUAD;
 369                         else if (name == "qquad")
 370                                 isp.kind = InsetSpaceParams::QQUAD;
 371                         else if (name == "enspace")
 372                                 isp.kind = InsetSpaceParams::ENSPACE;
 373                         else if (name == "enskip")
 374                                 isp.kind = InsetSpaceParams::ENSKIP;
 375                         else if (name == "negthinspace")
 376                                 isp.kind = InsetSpaceParams::NEGTHIN;
 377                         else if (isp.math && name == "negmedspace")
 378                                 isp.kind = InsetSpaceParams::NEGMEDIUM;
 379                         else if (isp.math && name == "negthickspace")
 380                                 isp.kind = InsetSpaceParams::NEGTHICK;
 381                         else if (name == "hfill")
 382                                 isp.kind = InsetSpaceParams::HFILL;
 383                         else if (name == "hfill*")
 384                                 isp.kind = InsetSpaceParams::HFILL_PROTECTED;
 385                         else if (name == "dotfill")
 386                                 isp.kind = InsetSpaceParams::DOTFILL;
 387                         else if (name == "hrulefill")
 388                                 isp.kind = InsetSpaceParams::HRULEFILL;
 389                         else if (name == "hspace") {
 390                                 if (len.empty() || !isValidGlueLength(len)) {
 391                                         lyxerr << "LyX function 'space-insert hspace' "
 392                                                << "needs a valid length argument." << endl;
 393                                         break;
 394                                 }
 395                                 isp.kind = InsetSpaceParams::CUSTOM;
 396                                 isp.length = GlueLength(len);
 397                         }
 398                         else if (name == "hspace*") {
 399                                 if (len.empty() || !isValidGlueLength(len)) {
 400                                         lyxerr << "LyX function 'space-insert hspace*' "
 401                                                << "needs a valid length argument." << endl;
 402                                         break;
 403                                 }
 404                                 isp.kind = InsetSpaceParams::CUSTOM_PROTECTED;
 405                                 isp.length = GlueLength(len);
 406                         }
 407                         else {
 408                                 lyxerr << "Wrong argument for LyX function 'space-insert'." << endl;
 409                                 break;
 410                         }
 411                         return new InsetSpace(isp);
 412                 }
 413                 break;
 414
 415                 default:
 416                         break;
 417                 }
 418
 419         } catch (ExceptionMessage const & message) {
 420                 if (message.type_ == ErrorException) {
 421                         // This should never happen!
 422                         Alert::error(message.title_, message.details_);
 423                         lyx_exit(1);
 424                 } else if (message.type_ == WarningException) {
 425                         Alert::warning(message.title_, message.details_);
 426                         return 0;
 427                 }
 428         }
 429
 430         return 0;
 431 }
 432
 433
 434 Inset * createInset(Buffer * buf, FuncRequest const & cmd)
 435 {
 436         Inset * inset = createInsetHelper(buf, cmd);
 437         if (inset)
 438                 inset->setBuffer(*buf);
 439         return inset;
 440 }
 441
 442
 443 Inset * readInset(Lexer & lex, Buffer * buf)
 444 {
 445         // consistency check
 446         if (lex.getString() != "\\begin_inset")
 447                 LYXERR0("Buffer::readInset: Consistency check failed.");
 448
 449         auto_ptr<Inset> inset;
 450
 451         string tmptok;
 452         lex >> tmptok;
 453
 454         // test the different insets
 455
 456         // FIXME It would be better if we did not have this branch and could
 457         // just do one massive switch for all insets. But at present, it's
 458         // easier to do it this way, and we can't do the massive switch until
 459         // the conversion mentioned below.  Note that if we do want to do a
 460         // single switch, we need to remove this "CommandInset" line---or
 461         // replace it with a single "InsetType" line that would be used in all
 462         // insets.
 463         if (tmptok == "CommandInset") {
 464                 lex.next();
 465                 string const insetType = lex.getString();
 466                 lex.pushToken(insetType);
 467
 468                 InsetCode const code = insetCode(insetType);
 469
 470                 //FIXME If we do the one massive switch, we cannot do this here, since
 471                 //we do not know in advance that we're dealing with a command inset.
 472                 //Worst case, we could put it in each case below. Better, we could
 473                 //pass the lexer to the constructor and let the params be built there.
 474                 InsetCommandParams inscmd(code);
 475                 inscmd.read(lex);
 476
 477                 switch (code) {
 478                         case BIBITEM_CODE:
 479                                 inset.reset(new InsetBibitem(buf, inscmd));
 480                                 break;
 481                         case BIBTEX_CODE:
 482                                 inset.reset(new InsetBibtex(buf, inscmd));
 483                                 break;
 484                         case CITE_CODE:
 485                                 inset.reset(new InsetCitation(buf, inscmd));
 486                                 break;
 487                         case HYPERLINK_CODE:
 488                                 inset.reset(new InsetHyperlink(buf, inscmd));
 489                                 break;
 490                         case INCLUDE_CODE:
 491                                 inset.reset(new InsetInclude(buf, inscmd));
 492                                 break;
 493                         case INDEX_PRINT_CODE:
 494                                 inset.reset(new InsetPrintIndex(buf, inscmd));
 495                                 break;
 496                         case LABEL_CODE:
 497                                 inset.reset(new InsetLabel(buf, inscmd));
 498                                 break;
 499                         case NOMENCL_CODE:
 500                                 inset.reset(new InsetNomencl(buf, inscmd));
 501                                 break;
 502                         case NOMENCL_PRINT_CODE:
 503                                 inset.reset(new InsetPrintNomencl(buf, inscmd));
 504                                 break;
 505                         case REF_CODE:
 506                                 if (inscmd["name"].empty() && inscmd["reference"].empty())
 507                                         return 0;
 508                                 inset.reset(new InsetRef(buf, inscmd));
 509                                 break;
 510                         case TOC_CODE:
 511                                 inset.reset(new InsetTOC(buf, inscmd));
 512                                 break;
 513                         case NO_CODE:
 514                         default:
 515                                 lyxerr << "unknown CommandInset '" << insetType
 516                                                         << "'" << endl;
 517                                 while (lex.isOK() && lex.getString() != "\\end_inset")
 518                                         lex.next();
 519                                 return 0;
 520                 }
 521                 inset->setBuffer(*buf);
 522         } else {
 523                 // FIXME This branch should be made to use inset codes as the preceding
 524                 // branch does. Unfortunately, that will take some doing. It requires
 525                 // converting the representation of the insets in LyX files so that they
 526                 // use the inset names listed in Inset.cpp. Then, as above, the inset names
 527                 // can be translated to inset codes using insetCode(). And the insets'
 528                 // write() routines should use insetName() rather than hardcoding it.
 529                 if (tmptok == "Quotes") {
 530                         inset.reset(new InsetQuotes(buf));
 531                 } else if (tmptok == "External") {
 532                         inset.reset(new InsetExternal(buf));
 533                 } else if (tmptok == "FormulaMacro") {
 534                         inset.reset(new MathMacroTemplate(buf));
 535                 } else if (tmptok == "Formula") {
 536                         inset.reset(new InsetMathHull(buf));
 537                 } else if (tmptok == "Graphics") {
 538                         inset.reset(new InsetGraphics(buf));
 539                 } else if (tmptok == "Note") {
 540                         inset.reset(new InsetNote(buf, tmptok));
 541                 } else if (tmptok == "Box") {
 542                         inset.reset(new InsetBox(buf, tmptok));
 543                 } else if (tmptok == "Flex") {
 544                         lex.eatLine();
 545                         string s = lex.getString();
 546                         inset.reset(new InsetFlex(buf, s));
 547                 } else if (tmptok == "Branch") {
 548                         inset.reset(new InsetBranch(buf, InsetBranchParams()));
 549                 } else if (tmptok == "Phantom") {
 550                         inset.reset(new InsetPhantom(buf, tmptok));
 551                 } else if (tmptok == "ERT") {
 552                         inset.reset(new InsetERT(buf));
 553                 } else if (tmptok == "listings") {
 554                         inset.reset(new InsetListings(buf));
 555                 } else if (tmptok == "space") {
 556                         inset.reset(new InsetSpace);
 557                 } else if (tmptok == "Tabular") {
 558                         inset.reset(new InsetTabular(buf));
 559                 } else if (tmptok == "Text") {
 560                         inset.reset(new InsetText(buf));
 561                 } else if (tmptok == "VSpace") {
 562                         inset.reset(new InsetVSpace);
 563                 } else if (tmptok == "Foot") {
 564                         inset.reset(new InsetFoot(buf));
 565                 } else if (tmptok == "Marginal") {
 566                         inset.reset(new InsetMarginal(buf));
 567                 } else if (tmptok == "Newpage") {
 568                         inset.reset(new InsetNewpage);
 569                 } else if (tmptok == "Newline") {
 570                         inset.reset(new InsetNewline);
 571                 } else if (tmptok == "OptArg") {
 572                         inset.reset(new InsetOptArg(buf));
 573                 } else if (tmptok == "Float") {
 574                         lex.next();
 575                         string tmptok = lex.getString();
 576                         inset.reset(new InsetFloat(buf, tmptok));
 577                 } else if (tmptok == "Wrap") {
 578                         lex.next();
 579                         string tmptok = lex.getString();
 580                         inset.reset(new InsetWrap(buf, tmptok));
 581                 } else if (tmptok == "Caption") {
 582                         inset.reset(new InsetCaption(buf));
 583                 } else if (tmptok == "Index") {
 584                         inset.reset(new InsetIndex(buf, InsetIndexParams()));
 585                 } else if (tmptok == "FloatList") {
 586                         inset.reset(new InsetFloatList(buf));
 587                 } else if (tmptok == "Info") {
 588                         inset.reset(new InsetInfo(buf));
 589                 } else {
 590                         lyxerr << "unknown Inset type '" << tmptok
 591                                << "'" << endl;
 592                         while (lex.isOK() && lex.getString() != "\\end_inset")
 593                                 lex.next();
 594                         return 0;
 595                 }
 596
 597                 // Set the buffer reference for proper parsing of some insets
 598                 // (InsetCollapsable for example)
 599                 inset->setBuffer(*buf);
 600                 inset->read(lex);
 601                 // Set again the buffer for insets that are created inside this inset
 602                 // (InsetMathHull for example).
 603                 inset->setBuffer(*buf);
 604         }
 605         return inset.release();
 606 }
 607
 608
 609 } // namespace lyx