src/insets/InsetCommandParams.cpp

   1 /**
   2  * \file InsetCommandParams.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Angus Leeming
   7  * \author Georg Baum
   8  * \author Richard Kimberly Heck
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "InsetCommandParams.h"
  16
  17 #include "InsetBibitem.h"
  18 #include "InsetBibtex.h"
  19 #include "InsetCitation.h"
  20 #include "InsetCounter.h"
  21 #include "InsetFloatList.h"
  22 #include "InsetHyperlink.h"
  23 #include "InsetInclude.h"
  24 #include "InsetIndex.h"
  25 #include "InsetLabel.h"
  26 #include "InsetLine.h"
  27 #include "InsetNomencl.h"
  28 #include "InsetRef.h"
  29 #include "InsetTOC.h"
  30
  31 #include "Buffer.h"
  32 #include "Encoding.h"
  33
  34 #include "frontends/alert.h"
  35
  36 #include "support/debug.h"
  37 #include "support/docstream.h"
  38 #include "support/ExceptionMessage.h"
  39 #include "support/gettext.h"
  40 #include "support/lassert.h"
  41 #include "support/Lexer.h"
  42 #include "support/lstrings.h"
  43
  44 #include <algorithm>
  45 #include <functional>
  46
  47 using namespace std;
  48 using namespace lyx::support;
  49
  50
  51 namespace lyx {
  52
  53 /// Get information for \p code and command \p cmdName.
  54 /// Don't call this without first making sure the command name is
  55 /// acceptable to the inset.
  56 static ParamInfo const & findInfo(InsetCode code, string const & cmdName)
  57 {
  58         switch (code) {
  59         case BIBITEM_CODE:
  60                 return InsetBibitem::findInfo(cmdName);
  61         case BIBTEX_CODE:
  62                 return InsetBibtex::findInfo(cmdName);
  63         case CITE_CODE:
  64                 return InsetCitation::findInfo(cmdName);
  65         case COUNTER_CODE:
  66                 return InsetCounter::findInfo(cmdName);
  67         case FLOAT_LIST_CODE:
  68                 return InsetFloatList::findInfo(cmdName);
  69         case HYPERLINK_CODE:
  70                 return InsetHyperlink::findInfo(cmdName);
  71         case INCLUDE_CODE:
  72                 return InsetInclude::findInfo(cmdName);
  73         case INDEX_PRINT_CODE:
  74                 return InsetPrintIndex::findInfo(cmdName);
  75         case LABEL_CODE:
  76                 return InsetLabel::findInfo(cmdName);
  77         case LINE_CODE:
  78                 return InsetLine::findInfo(cmdName);
  79         case NOMENCL_CODE:
  80                 return InsetNomencl::findInfo(cmdName);
  81         case NOMENCL_PRINT_CODE:
  82                 return InsetPrintNomencl::findInfo(cmdName);
  83         case REF_CODE:
  84                 return InsetRef::findInfo(cmdName);
  85         case TOC_CODE:
  86                 return InsetTOC::findInfo(cmdName);
  87         default:
  88                 LATTEST(false);
  89                 // fall through in release mode
  90         }
  91         static const ParamInfo pi;
  92         return pi;
  93 }
  94
  95
  96 /////////////////////////////////////////////////////////////////////
  97 //
  98 // ParamInfo::ParamData
  99 //
 100 /////////////////////////////////////////////////////////////////////
 101
 102 ParamInfo::ParamData::ParamData(std::string const & s, ParamType t,
 103                                 ParamHandling h, bool ignore,
 104                                 docstring default_value)
 105         : name_(s), type_(t), handling_(h), ignore_(ignore),
 106           default_value_(default_value)
 107 {}
 108
 109
 110 bool ParamInfo::ParamData::isOptional() const
 111 {
 112         return type_ == ParamInfo::LATEX_OPTIONAL;
 113 }
 114
 115
 116 bool ParamInfo::ParamData::operator==(ParamInfo::ParamData const & rhs) const
 117 {
 118         return name() == rhs.name() && type() == rhs.type()
 119                 && handling() == rhs.handling();
 120 }
 121
 122
 123 bool ParamInfo::hasParam(std::string const & name) const
 124 {
 125         const_iterator it = begin();
 126         const_iterator last = end();
 127         for (; it != last; ++it) {
 128                 if (it->name() == name)
 129                         return true;
 130         }
 131         return false;
 132 }
 133
 134
 135 void ParamInfo::add(std::string const & name, ParamType type,
 136                     ParamHandling handling, bool ignoreval,
 137                     docstring default_value)
 138 {
 139         info_.push_back(ParamData(name, type, handling, ignoreval, default_value));
 140 }
 141
 142
 143 bool ParamInfo::operator==(ParamInfo const & rhs) const
 144 {
 145         if (size() != rhs.size())
 146                 return false;
 147         return equal(begin(), end(), rhs.begin());
 148 }
 149
 150
 151 ParamInfo::ParamData const &
 152         ParamInfo::operator[](std::string const & name) const
 153 {
 154         const_iterator it = begin();
 155         const_iterator last = end();
 156         for (; it != last; ++it) {
 157                 if (it->name() == name)
 158                         return *it;
 159         }
 160         LATTEST(false);
 161         // we will try to continue in release mode
 162         static const ParamData pd("asdfghjkl", LYX_INTERNAL);
 163         return pd;
 164 }
 165
 166
 167 /////////////////////////////////////////////////////////////////////
 168 //
 169 // InsetCommandParams
 170 //
 171 /////////////////////////////////////////////////////////////////////
 172
 173
 174 InsetCommandParams::InsetCommandParams(InsetCode code)
 175         : insetCode_(code), preview_(false)
 176 {
 177         cmdName_ = getDefaultCmd(code);
 178         info_ = findInfo(code, cmdName_);
 179 }
 180
 181
 182 InsetCommandParams::InsetCommandParams(InsetCode code,
 183         string const & cmdName)
 184         : insetCode_(code), cmdName_(cmdName), preview_(false)
 185 {
 186         info_ = findInfo(code, cmdName);
 187 }
 188
 189
 190 std::string InsetCommandParams::insetType() const
 191 {
 192         return insetName(insetCode_);
 193 }
 194
 195
 196 string InsetCommandParams::getDefaultCmd(InsetCode code)
 197 {
 198         switch (code) {
 199                 case BIBITEM_CODE:
 200                         return InsetBibitem::defaultCommand();
 201                 case BIBTEX_CODE:
 202                         return InsetBibtex::defaultCommand();
 203                 case CITE_CODE:
 204                         return InsetCitation::defaultCommand();
 205                 case COUNTER_CODE:
 206                         return InsetCounter::defaultCommand();
 207                 case FLOAT_LIST_CODE:
 208                         return InsetFloatList::defaultCommand();
 209                 case HYPERLINK_CODE:
 210                         return InsetHyperlink::defaultCommand();
 211                 case INCLUDE_CODE:
 212                         return InsetInclude::defaultCommand();
 213                 case INDEX_PRINT_CODE:
 214                         return InsetPrintIndex::defaultCommand();
 215                 case LABEL_CODE:
 216                         return InsetLabel::defaultCommand();
 217                 case LINE_CODE:
 218                         return InsetLine::defaultCommand();
 219                 case NOMENCL_CODE:
 220                         return InsetNomencl::defaultCommand();
 221                 case NOMENCL_PRINT_CODE:
 222                         return InsetPrintNomencl::defaultCommand();
 223                 case REF_CODE:
 224                         return InsetRef::defaultCommand();
 225                 case TOC_CODE:
 226                         return InsetTOC::defaultCommand();
 227                 default:
 228                         LATTEST(false);
 229                         // fall through in release mode
 230         }
 231         return string();
 232 }
 233
 234
 235 bool InsetCommandParams::isCompatibleCommand(InsetCode code, string const & s)
 236 {
 237         switch (code) {
 238                 case BIBITEM_CODE:
 239                         return InsetBibitem::isCompatibleCommand(s);
 240                 case BIBTEX_CODE:
 241                         return InsetBibtex::isCompatibleCommand(s);
 242                 case CITE_CODE:
 243                         return InsetCitation::isCompatibleCommand(s);
 244                 case COUNTER_CODE:
 245                         return InsetCounter::isCompatibleCommand(s);
 246                 case FLOAT_LIST_CODE:
 247                         return InsetFloatList::isCompatibleCommand(s);
 248                 case HYPERLINK_CODE:
 249                         return InsetHyperlink::isCompatibleCommand(s);
 250                 case INCLUDE_CODE:
 251                         return InsetInclude::isCompatibleCommand(s);
 252                 case INDEX_PRINT_CODE:
 253                         return InsetPrintIndex::isCompatibleCommand(s);
 254                 case LABEL_CODE:
 255                         return InsetLabel::isCompatibleCommand(s);
 256                 case LINE_CODE:
 257                         return InsetLine::isCompatibleCommand(s);
 258                 case NOMENCL_CODE:
 259                         return InsetNomencl::isCompatibleCommand(s);
 260                 case NOMENCL_PRINT_CODE:
 261                         return InsetPrintNomencl::isCompatibleCommand(s);
 262                 case REF_CODE:
 263                         return InsetRef::isCompatibleCommand(s);
 264                 case TOC_CODE:
 265                         return InsetTOC::isCompatibleCommand(s);
 266         default:
 267                 LATTEST(false);
 268                 // fall through in release mode
 269         }
 270         return false;
 271 }
 272
 273
 274 void InsetCommandParams::setCmdName(string const & name)
 275 {
 276         if (!isCompatibleCommand(insetCode_, name)) {
 277                 LYXERR0("InsetCommand: Incompatible command name " <<
 278                                 name << ".");
 279                 throw ExceptionMessage(WarningException, _("InsetCommand Error: "),
 280                                        _("Incompatible command name."));
 281         }
 282
 283         cmdName_ = name;
 284         info_ = findInfo(insetCode_, cmdName_);
 285 }
 286
 287
 288 void InsetCommandParams::read(Lexer & lex)
 289 {
 290         Read(lex, nullptr);
 291 }
 292
 293
 294 void InsetCommandParams::Read(Lexer & lex, Buffer const * buffer)
 295 {
 296         lex.setContext("InsetCommandParams::read");
 297         lex >> insetName(insetCode_).c_str();
 298         lex >> "LatexCommand";
 299         lex >> cmdName_;
 300         if (!isCompatibleCommand(insetCode_, cmdName_)) {
 301                 lex.printError("Incompatible command name " + cmdName_ + ".");
 302                 throw ExceptionMessage(WarningException, _("InsetCommandParams Error: "),
 303                                        _("Incompatible command name."));
 304         }
 305
 306         info_ = findInfo(insetCode_, cmdName_);
 307
 308         for (ParamInfo::ParamData const & param : info_)
 309                 if (param.ignore()) {
 310                         params_[param.name()] = param.defaultValue();
 311                 }
 312
 313         string token;
 314         while (lex.isOK()) {
 315                 lex.next();
 316                 token = lex.getString();
 317                 if (token == "\\end_inset")
 318                         break;
 319                 if (token == "preview") {
 320                         lex.next();
 321                         preview_ = lex.getBool();
 322                         continue;
 323                 }
 324                 if (hasParam(token)) {
 325                         lex.next(true);
 326                         docstring data = lex.getDocString();
 327                         if (buffer && token == "filename") {
 328                                 data = from_utf8(buffer->includedFilePath(to_utf8(data)));
 329                         } else if (buffer && token == "bibfiles") {
 330                                 int i = 0;
 331                                 docstring newdata;
 332                                 docstring bib = support::token(data, ',', i);
 333                                 while (!bib.empty()) {
 334                                         bib = from_utf8(buffer->includedFilePath(to_utf8(bib), "bib"));
 335                                         if (!newdata.empty())
 336                                                 newdata.append(1, ',');
 337                                         newdata.append(bib);
 338                                         bib = support::token(data, ',', ++i);
 339                                 }
 340                                 data = newdata;
 341                         } else if (buffer && token == "options") {
 342                                 data = from_utf8(buffer->includedFilePath(to_utf8(data), "bst"));
 343                         }
 344                         params_[token] = data;
 345                 } else {
 346                         lex.printError("Unknown parameter name `$$Token' for command " + cmdName_);
 347                         throw ExceptionMessage(WarningException,
 348                                 _("InsetCommandParams: ") + from_ascii(cmdName_),
 349                                 _("Unknown parameter name: ") + from_utf8(token));
 350                 }
 351         }
 352         if (token != "\\end_inset") {
 353                 lex.printError("Missing \\end_inset at this point. "
 354                                "Read: `$$Token'");
 355                 throw ExceptionMessage(WarningException,
 356                         _("InsetCommandParams Error: "),
 357                         _("Missing \\end_inset at this point: ") + from_utf8(token));
 358         }
 359 }
 360
 361
 362 void InsetCommandParams::write(ostream & os) const
 363 {
 364         Write(os, nullptr);
 365 }
 366
 367
 368 void InsetCommandParams::Write(ostream & os, Buffer const * buffer) const
 369 {
 370         os << "CommandInset " << insetType() << '\n';
 371         os << "LatexCommand " << cmdName_ << '\n';
 372         if (preview_)
 373                 os << "preview true\n";
 374         ParamInfo::const_iterator it  = info_.begin();
 375         ParamInfo::const_iterator end = info_.end();
 376         for (; it != end; ++it) {
 377                 if (it->ignore())
 378                         continue;
 379                 string const & name = it->name();
 380                 string data = to_utf8((*this)[name]);
 381                 if (!data.empty()) {
 382                         // Adjust path of files if document was moved
 383                         if (buffer && name == "filename") {
 384                                 data = buffer->includedFilePath(data);
 385                         } else if (buffer && name == "bibfiles") {
 386                                 int i = 0;
 387                                 string newdata;
 388                                 string bib = token(data, ',', i);
 389                                 while (!bib.empty()) {
 390                                         bib = buffer->includedFilePath(bib, "bib");
 391                                         if (!newdata.empty())
 392                                                 newdata.append(1, ',');
 393                                         newdata.append(bib);
 394                                         bib = token(data, ',', ++i);
 395                                 }
 396                                 data = newdata;
 397                         } else if (buffer && name == "options") {
 398                                 data = buffer->includedFilePath(data, "bst");
 399                         }
 400                         os << name << ' '
 401                            << Lexer::quoteString(data)
 402                            << '\n';
 403                 }
 404         }
 405 }
 406
 407
 408 bool InsetCommandParams::writeEmptyOptional(ParamInfo::const_iterator ci) const
 409 {
 410         LASSERT(ci->isOptional(), return false);
 411
 412         ++ci; // we want to start with the next one
 413         ParamInfo::const_iterator end = info_.end();
 414         for (; ci != end; ++ci) {
 415                 switch (ci->type()) {
 416                 case ParamInfo::LYX_INTERNAL:
 417                         break;
 418
 419                 case ParamInfo::LATEX_REQUIRED:
 420                         return false;
 421
 422                 case ParamInfo::LATEX_OPTIONAL: {
 423                         std::string const & name = ci->name();
 424                         docstring const & data = (*this)[name];
 425                         if (!data.empty())
 426                                 return true;
 427                         break;
 428                 }
 429
 430                 } //end switch
 431         }
 432         return false;
 433 }
 434
 435
 436 docstring InsetCommandParams::prepareCommand(OutputParams const & runparams,
 437                                              docstring const & command,
 438                                              ParamInfo::ParamHandling handling) const
 439 {
 440         docstring result;
 441         bool ltrimmed = false;
 442         // Trimming can be done on top of any of the other handlings
 443         // We check this here since handling might be changed below.
 444         if (handling & ParamInfo::HANDLING_LTRIM) {
 445                 // this is used if no other handling is done
 446                 result = command;
 447                 ltrimmed = true;
 448         }
 449         if (handling & ParamInfo::HANDLING_LATEXIFY
 450             || handling & ParamInfo::HANDLING_INDEX_ESCAPE)
 451                 if ((*this)["literal"] == "true")
 452                         handling = ParamInfo::HANDLING_NONE;
 453
 454         // LATEXIFY, ESCAPE and NONE are mutually exclusive
 455         if (handling & ParamInfo::HANDLING_LATEXIFY) {
 456                 // First handle backslash
 457                 // we cannot replace yet with \textbackslash{}
 458                 // as the braces would be erroneously escaped
 459                 // in the following routines ("\textbackslash\{\}").
 460                 // So create a unique placeholder which is replaced
 461                 // in the end.
 462                 docstring bs = from_ascii("@LyXBackslash@");
 463                 // We are super-careful and assure the placeholder
 464                 // does not exist in the string
 465                 for (int i = 0; ; ++i) {
 466                         if (!contains(command, bs)) {
 467                                 result = subst(command, from_ascii("\\"), bs);
 468                                 break;
 469                         }
 470                         bs = from_ascii("@LyXBackslash") + i + '@';
 471                 }
 472                 // Then get LaTeX macros
 473                 pair<docstring, docstring> command_latexed =
 474                         runparams.encoding->latexString(result, runparams.dryrun);
 475                 result = command_latexed.first;
 476                 if (!command_latexed.second.empty()) {
 477                         // Issue a warning about omitted characters
 478                         // FIXME: should be passed to the error dialog
 479                         frontend::Alert::warning(_("Uncodable characters"),
 480                                 bformat(_("The following characters that are used in the inset %1$s are not\n"
 481                                           "representable in the current encoding and therefore have been omitted:\n%2$s."),
 482                                         from_utf8(insetType()), command_latexed.second));
 483                 }
 484                 // Now escape special commands
 485                 static docstring const backslash = from_ascii("\\");
 486                 int const nchars_escape = 8;
 487                 static char_type const chars_escape[nchars_escape] = {
 488                         '&', '_', '$', '%', '#', '^', '{', '}'};
 489
 490                 if (!result.empty()) {
 491                         int previous;
 492                         // The characters in chars_name[] need to be changed to a command when
 493                         // they are LaTeXified.
 494                         for (int k = 0; k < nchars_escape; k++)
 495                                 for (size_t i = 0, pos;
 496                                         (pos = result.find(chars_escape[k], i)) != string::npos;
 497                                         i = pos + 2) {
 498                                                 //(Only) \\^ needs to be terminated
 499                                                 docstring const term = (k == 5) ? from_ascii("{}") : docstring();
 500                                                 if (pos == 0)
 501                                                         previous = 0;
 502                                                 else
 503                                                         previous = pos - 1;
 504                                                 // only if not already escaped
 505                                                 if (result[previous] != '\\')
 506                                                         result.replace(pos, 1, backslash + chars_escape[k] + term);
 507                                 }
 508                 }
 509                 // set in real backslash now
 510                 result = subst(result, bs, from_ascii("\\textbackslash{}"));
 511         }
 512         else if (handling & ParamInfo::HANDLING_ESCAPE)
 513                 result = escape(command);
 514         else if (handling & ParamInfo::HANDLING_NONE) {
 515                 // we can only output characters covered by the current
 516                 // encoding!
 517                 docstring uncodable;
 518                 for (char_type c : command) {
 519                         try {
 520                                 if (runparams.encoding->encodable(c))
 521                                         result += c;
 522                                 else if (runparams.dryrun) {
 523                                         result += "<" + _("LyX Warning: ")
 524                                            + _("uncodable character") + " '";
 525                                         result += docstring(1, c);
 526                                         result += "'>";
 527                                 } else
 528                                         uncodable += c;
 529                         } catch (EncodingException & /* e */) {
 530                                 if (runparams.dryrun) {
 531                                         result += "<" + _("LyX Warning: ")
 532                                            + _("uncodable character") + " '";
 533                                         result += docstring(1, c);
 534                                         result += "'>";
 535                                 } else
 536                                         uncodable += c;
 537                         }
 538                 }
 539                 if (!uncodable.empty() && !runparams.silent) {
 540                         // issue a warning about omitted characters
 541                         // FIXME: should be passed to the error dialog
 542                         frontend::Alert::warning(_("Uncodable characters in inset"),
 543                                 bformat(_("The following characters in one of the insets are\n"
 544                                           "not representable in the current encoding and have been omitted: %1$s.\n"
 545                                           "Unchecking 'Literal' in the respective inset dialog might help."),
 546                                 uncodable));
 547                 }
 548         }
 549         // INDEX_ESCAPE is independent of the others
 550         if (handling & ParamInfo::HANDLING_INDEX_ESCAPE) {
 551                 // Now escape special commands
 552                 static docstring const quote = from_ascii("\"");
 553                 int const nchars_escape = 4;
 554                 static char_type const chars_escape[nchars_escape] = { '"', '@', '|', '!' };
 555
 556                 if (!result.empty()) {
 557                         // The characters in chars_name[] need to be changed to a command when
 558                         // they are LaTeXified.
 559                         for (int k = 0; k < nchars_escape; k++)
 560                                 for (size_t i = 0, pos;
 561                                         (pos = result.find(chars_escape[k], i)) != string::npos;
 562                                         i = pos + 2)
 563                                                 result.replace(pos, 1, quote + chars_escape[k]);
 564                 }
 565         }
 566
 567         return ltrimmed ? ltrim(result) : result;
 568 }
 569
 570
 571 docstring InsetCommandParams::getCommand(OutputParams const & runparams, bool starred, bool unhandled) const
 572 {
 573         docstring s = '\\' + from_ascii(cmdName_);
 574         if (starred)
 575                 s += from_utf8("*");
 576         bool noparam = true;
 577         ParamInfo::const_iterator it  = info_.begin();
 578         ParamInfo::const_iterator end = info_.end();
 579         for (; it != end; ++it) {
 580                 std::string const & name = it->name();
 581                 ParamInfo::ParamHandling handling = unhandled ?
 582                                         ParamInfo::HANDLING_NONE
 583                                       : it->handling();
 584                 switch (it->type()) {
 585                 case ParamInfo::LYX_INTERNAL:
 586                         break;
 587
 588                 case ParamInfo::LATEX_REQUIRED: {
 589                         docstring const data =
 590                                 prepareCommand(runparams, (*this)[name], handling);
 591                         s += '{' + data + '}';
 592                         noparam = false;
 593                         break;
 594                 }
 595                 case ParamInfo::LATEX_OPTIONAL: {
 596                         docstring data =
 597                                 prepareCommand(runparams, (*this)[name], handling);
 598                         if (!data.empty()) {
 599                                 s += '[' + protectArgument(data) + ']';
 600                                 noparam = false;
 601                         } else if (writeEmptyOptional(it)) {
 602                                         s += "[]";
 603                                         noparam = false;
 604                         }
 605                         break;
 606                 }
 607                 } //end switch
 608         }
 609         if (noparam)
 610                 // Make sure that following stuff does not change the
 611                 // command name.
 612                 s += "{}";
 613         return s;
 614 }
 615
 616
 617 docstring InsetCommandParams::getFirstNonOptParam() const
 618 {
 619         ParamInfo::const_iterator it =
 620                 find_if(info_.begin(), info_.end(),
 621                         [](ParamInfo::ParamData const & d) { return !d.isOptional(); });
 622         LASSERT(it != info_.end(), return docstring());
 623         return (*this)[it->name()];
 624 }
 625
 626
 627 bool InsetCommandParams::hasParam(std::string const & name) const
 628 {
 629         return info_.hasParam(name);
 630 }
 631
 632
 633 docstring const & InsetCommandParams::getParamOr(std::string const & name, docstring const & defaultValue) const
 634 {
 635         if (hasParam(name))
 636                 return (*this)[name];
 637         return defaultValue;
 638 }
 639
 640
 641 docstring const & InsetCommandParams::operator[](string const & name) const
 642 {
 643         static const docstring dummy;
 644         LASSERT(hasParam(name), return dummy);
 645         ParamMap::const_iterator data = params_.find(name);
 646         if (data == params_.end() || data->second.empty())
 647                 return dummy;
 648         ParamInfo::ParamData const & param = info_[name];
 649         if (param.ignore())
 650                 return param.defaultValue();
 651         return data->second;
 652 }
 653
 654
 655 docstring & InsetCommandParams::operator[](string const & name)
 656 {
 657         LATTEST(hasParam(name));
 658         // this will add the name in release mode
 659         ParamInfo::ParamData const & param = info_[name];
 660         if (param.ignore())
 661                 params_[name] = param.defaultValue();
 662         return params_[name];
 663 }
 664
 665
 666 void InsetCommandParams::clear()
 667 {
 668         params_.clear();
 669         preview(false);
 670 }
 671
 672
 673 bool operator==(InsetCommandParams const & o1, InsetCommandParams const & o2)
 674 {
 675         return o1.insetCode_ == o2.insetCode_
 676                 && o1.cmdName_ == o2.cmdName_
 677                 && o1.info_ == o2.info_
 678                 && o1.params_ == o2.params_
 679                 && o1.preview_ == o2.preview_;
 680 }
 681
 682
 683 bool operator!=(InsetCommandParams const & o1, InsetCommandParams const & o2)
 684 {
 685         return !(o1 == o2);
 686 }
 687
 688
 689 } // namespace lyx