src/factory.cpp

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