src/insets/InsetLayout.cpp

   1 // -*- C++ -*-
   2 /**
   3  * \file InsetLayout.cpp
   4  * This file is part of LyX, the document processor.
   5  * Licence details can be found in the file COPYING.
   6  *
   7  * \author Martin Vermeer
   8  * \author Richard Heck
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "InsetLayout.h"
  16
  17 #include "ColorSet.h"
  18 #include "Lexer.h"
  19 #include "TextClass.h"
  20
  21 #include "support/debug.h"
  22 #include "support/lstrings.h"
  23
  24 #include <vector>
  25
  26 using std::string;
  27 using std::set;
  28 using std::vector;
  29
  30 namespace lyx {
  31
  32 InsetLayout::InsetLayout() :
  33         name_(from_ascii("undefined")), lyxtype_(STANDARD),
  34         labelstring_(from_ascii("UNDEFINED")), contentaslabel_(false),
  35         decoration_(DEFAULT), latextype_(NOLATEXTYPE), font_(sane_font),
  36         labelfont_(sane_font), bgcolor_(Color_error),
  37         htmlforcecss_ (false), htmlisblock_(true),
  38         multipar_(true), custompars_(true), forceplain_(false),
  39         passthru_(false), parbreakisnewline_(false), freespacing_(false),
  40         keepempty_(false), forceltr_(false),
  41         needprotect_(false), intoc_(false), spellcheck_(true)
  42 {
  43         labelfont_.setColor(Color_error);
  44 }
  45
  46
  47 namespace {
  48
  49 InsetLayout::InsetDecoration translateDecoration(std::string const & str)
  50 {
  51         if (support::compare_ascii_no_case(str, "classic") == 0)
  52                 return InsetLayout::CLASSIC;
  53         if (support::compare_ascii_no_case(str, "minimalistic") == 0)
  54                 return InsetLayout::MINIMALISTIC;
  55         if (support::compare_ascii_no_case(str, "conglomerate") == 0)
  56                 return InsetLayout::CONGLOMERATE;
  57         return InsetLayout::DEFAULT;
  58 }
  59
  60 InsetLayout::InsetLaTeXType translateLaTeXType(std::string const & str)
  61 {
  62         if (support::compare_ascii_no_case(str, "command") == 0)
  63                 return InsetLayout::COMMAND;
  64         if (support::compare_ascii_no_case(str, "environment") == 0)
  65                 return InsetLayout::ENVIRONMENT;
  66         if (support::compare_ascii_no_case(str, "none") == 0)
  67                 return InsetLayout::NOLATEXTYPE;
  68         return InsetLayout::ILT_ERROR;
  69 }
  70
  71 } // namespace anon
  72
  73
  74 bool InsetLayout::read(Lexer & lex, TextClass const & tclass)
  75 {
  76         enum {
  77                 IL_BGCOLOR,
  78                 IL_CONTENTASLABEL,
  79                 IL_COPYSTYLE,
  80                 IL_COUNTER,
  81                 IL_CUSTOMPARS,
  82                 IL_DECORATION,
  83                 IL_FONT,
  84                 IL_FORCELTR,
  85                 IL_FORCEPLAIN,
  86                 IL_FREESPACING,
  87                 IL_HTMLTAG,
  88                 IL_HTMLATTR,
  89                 IL_HTMLFORCECSS,
  90                 IL_HTMLINNERTAG,
  91                 IL_HTMLINNERATTR,
  92                 IL_HTMLISBLOCK,
  93                 IL_HTMLLABEL,
  94                 IL_HTMLSTYLE,
  95                 IL_HTMLPREAMBLE,
  96                 IL_INTOC,
  97                 IL_LABELFONT,
  98                 IL_LABELSTRING,
  99                 IL_LATEXNAME,
 100                 IL_LATEXPARAM,
 101                 IL_LATEXTYPE,
 102                 IL_LYXTYPE,
 103                 IL_KEEPEMPTY,
 104                 IL_MULTIPAR,
 105                 IL_NEEDPROTECT,
 106                 IL_PASSTHRU,
 107                 IL_PARBREAKISNEWLINE,
 108                 IL_PREAMBLE,
 109                 IL_REQUIRES,
 110                 IL_SPELLCHECK,
 111                 IL_REFPREFIX,
 112                 IL_END
 113         };
 114
 115
 116         LexerKeyword elementTags[] = {
 117                 { "bgcolor", IL_BGCOLOR },
 118                 { "contentaslabel", IL_CONTENTASLABEL },
 119                 { "copystyle", IL_COPYSTYLE },
 120                 { "counter", IL_COUNTER},
 121                 { "custompars", IL_CUSTOMPARS },
 122                 { "decoration", IL_DECORATION },
 123                 { "end", IL_END },
 124                 { "font", IL_FONT },
 125                 { "forceltr", IL_FORCELTR },
 126                 { "forceplain", IL_FORCEPLAIN },
 127                 { "freespacing", IL_FREESPACING },
 128                 { "htmlattr", IL_HTMLATTR },
 129                 { "htmlforcecss", IL_HTMLFORCECSS },
 130                 { "htmlinnerattr", IL_HTMLINNERATTR},
 131                 { "htmlinnertag", IL_HTMLINNERTAG},
 132                 { "htmlisblock", IL_HTMLISBLOCK},
 133                 { "htmllabel", IL_HTMLLABEL },
 134                 { "htmlpreamble", IL_HTMLPREAMBLE },
 135                 { "htmlstyle", IL_HTMLSTYLE },
 136                 { "htmltag", IL_HTMLTAG },
 137                 { "intoc", IL_INTOC },
 138                 { "keepempty", IL_KEEPEMPTY },
 139                 { "labelfont", IL_LABELFONT },
 140                 { "labelstring", IL_LABELSTRING },
 141                 { "latexname", IL_LATEXNAME },
 142                 { "latexparam", IL_LATEXPARAM },
 143                 { "latextype", IL_LATEXTYPE },
 144                 { "lyxtype", IL_LYXTYPE },
 145                 { "multipar", IL_MULTIPAR },
 146                 { "needprotect", IL_NEEDPROTECT },
 147                 { "parbreakisnewline", IL_PARBREAKISNEWLINE },
 148                 { "passthru", IL_PASSTHRU },
 149                 { "preamble", IL_PREAMBLE },
 150                 { "refprefix", IL_REFPREFIX },
 151                 { "requires", IL_REQUIRES },
 152                 { "spellcheck", IL_SPELLCHECK }
 153         };
 154
 155         lex.pushTable(elementTags);
 156
 157         FontInfo font = inherit_font;
 158         labelfont_ = inherit_font;
 159         bgcolor_ = Color_none;
 160         bool getout = false;
 161         // whether we've read the CustomPars or ForcePlain tag
 162         // for issuing a warning in case MultiPars comes later
 163         bool readCustomOrPlain = false;
 164
 165         string tmp;
 166         while (!getout && lex.isOK()) {
 167                 int le = lex.lex();
 168                 switch (le) {
 169                 case Lexer::LEX_UNDEF:
 170                         lex.printError("Unknown InsetLayout tag");
 171                         continue;
 172                 default:
 173                         break;
 174                 }
 175                 switch (le) {
 176                 // FIXME
 177                 // Perhaps a more elegant way to deal with the next two would be the
 178                 // way this sort of thing is handled in Layout::read(), namely, by
 179                 // using the Lexer.
 180                 case IL_LYXTYPE: {
 181                         string lt;
 182                         lex >> lt;
 183                         lyxtype_ = translateLyXType(lt);
 184                         if (lyxtype_  == NOLYXTYPE)
 185                                 LYXERR0("Unknown LyXType `" << lt << "'.");
 186                         if (lyxtype_ == CHARSTYLE)
 187                                 multipar_ = false;
 188                         break;
 189                 }
 190                 case IL_LATEXTYPE:  {
 191                         string lt;
 192                         lex >> lt;
 193                         latextype_ = translateLaTeXType(lt);
 194                         if (latextype_  == ILT_ERROR)
 195                                 LYXERR0("Unknown LaTeXType `" << lt << "'.");
 196                         break;
 197                 }
 198                 case IL_LABELSTRING:
 199                         lex >> labelstring_;
 200                         break;
 201                 case IL_DECORATION:
 202                         lex >> tmp;
 203                         decoration_ = translateDecoration(tmp);
 204                         break;
 205                 case IL_LATEXNAME:
 206                         lex >> latexname_;
 207                         break;
 208                 case IL_LATEXPARAM:
 209                         lex >> tmp;
 210                         latexparam_ = support::subst(tmp, "&quot;", "\"");
 211                         break;
 212                 case IL_LABELFONT:
 213                         labelfont_ = lyxRead(lex, inherit_font);
 214                         break;
 215                 case IL_FORCELTR:
 216                         lex >> forceltr_;
 217                         break;
 218                 case IL_INTOC:
 219                         lex >> intoc_;
 220                         break;
 221                 case IL_MULTIPAR:
 222                         lex >> multipar_;
 223                         // the defaults for these depend upon multipar_
 224                         if (readCustomOrPlain)
 225                                 LYXERR0("Warning: Read MultiPar after CustomPars or ForcePlain. "
 226                                         "Previous value may be overwritten!");
 227                         readCustomOrPlain = false;
 228                         custompars_ = multipar_;
 229                         forceplain_ = !multipar_;
 230                         break;
 231                 case IL_COUNTER:
 232                         lex >> counter_;
 233                         break;
 234                 case IL_CUSTOMPARS:
 235                         lex >> custompars_;
 236                         readCustomOrPlain = true;
 237                         break;
 238                 case IL_FORCEPLAIN:
 239                         lex >> forceplain_;
 240                         readCustomOrPlain = true;
 241                         break;
 242                 case IL_PASSTHRU:
 243                         lex >> passthru_;
 244                         break;
 245                 case IL_PARBREAKISNEWLINE:
 246                         lex >> parbreakisnewline_;
 247                         break;
 248                 case IL_KEEPEMPTY:
 249                         lex >> keepempty_;
 250                         break;
 251                 case IL_FREESPACING:
 252                         lex >> freespacing_;
 253                         break;
 254                 case IL_NEEDPROTECT:
 255                         lex >> needprotect_;
 256                         break;
 257                 case IL_CONTENTASLABEL:
 258                         lex >> contentaslabel_;
 259                         break;
 260                 case IL_COPYSTYLE: {     // initialize with a known style
 261                         docstring style;
 262                         lex >> style;
 263                         style = support::subst(style, '_', ' ');
 264
 265                         // We don't want to apply the algorithm in DocumentClass::insetLayout()
 266                         // here. So we do it the long way.
 267                         TextClass::InsetLayouts::const_iterator it =
 268                                         tclass.insetLayouts().find(style);
 269                         if (it != tclass.insetLayouts().end()) {
 270                                 docstring const tmpname = name_;
 271                                 this->operator=(it->second);
 272                                 name_ = tmpname;
 273                         } else {
 274                                 LYXERR0("Cannot copy unknown InsetLayout `"
 275                                         << style << "'\n"
 276                                         << "All InsetLayouts so far:");
 277                                 TextClass::InsetLayouts::const_iterator lit =
 278                                                 tclass.insetLayouts().begin();
 279                                 TextClass::InsetLayouts::const_iterator len =
 280                                                 tclass.insetLayouts().end();
 281                                 for (; lit != len; ++lit)
 282                                         lyxerr << lit->second.name() << "\n";
 283                         }
 284                         break;
 285                 }
 286
 287                 case IL_FONT: {
 288                         font_ = lyxRead(lex, inherit_font);
 289                         // If you want to define labelfont, you need to do so after
 290                         // font is defined.
 291                         labelfont_ = font_;
 292                         break;
 293                 }
 294                 case IL_BGCOLOR:
 295                         lex >> tmp;
 296                         bgcolor_ = lcolor.getFromLyXName(tmp);
 297                         break;
 298                 case IL_PREAMBLE:
 299                         preamble_ = from_utf8(lex.getLongString("EndPreamble"));
 300                         break;
 301                 case IL_REFPREFIX:
 302                         lex >> refprefix_;
 303                         break;
 304                 case IL_HTMLTAG:
 305                         lex >> htmltag_;
 306                         break;
 307                 case IL_HTMLATTR:
 308                         lex >> htmlattr_;
 309                         break;
 310                 case IL_HTMLFORCECSS:
 311                         lex >> htmlforcecss_;
 312                         break;
 313                 case IL_HTMLINNERTAG:
 314                         lex >> htmlinnertag_;
 315                         break;
 316                 case IL_HTMLINNERATTR:
 317                         lex >> htmlinnerattr_;
 318                         break;
 319                 case IL_HTMLLABEL:
 320                         lex >> htmllabel_;
 321                         break;
 322                 case IL_HTMLISBLOCK:
 323                         lex >> htmlisblock_;
 324                         break;
 325                 case IL_HTMLSTYLE:
 326                         htmlstyle_ = from_utf8(lex.getLongString("EndHTMLStyle"));
 327                         break;
 328                 case IL_HTMLPREAMBLE:
 329                         htmlpreamble_ = from_utf8(lex.getLongString("EndPreamble"));
 330                         break;
 331                 case IL_REQUIRES: {
 332                         lex.eatLine();
 333                         vector<string> const req
 334                                 = support::getVectorFromString(lex.getString());
 335                         requires_.insert(req.begin(), req.end());
 336                         break;
 337                 }
 338                 case IL_SPELLCHECK:
 339                         lex >> spellcheck_;
 340                         break;
 341                 case IL_END:
 342                         getout = true;
 343                         break;
 344                 }
 345         }
 346
 347         // Here add element to list if getout == true
 348         if (!getout)
 349                 return false;
 350
 351         // The label font is generally used as-is without
 352         // any realization against a given context.
 353         labelfont_.realize(sane_font);
 354
 355         lex.popTable();
 356         return true;
 357 }
 358
 359
 360 InsetLayout::InsetLyXType translateLyXType(std::string const & str)
 361 {
 362
 363         if (support::compare_ascii_no_case(str, "charstyle") == 0)
 364                 return InsetLayout::CHARSTYLE;
 365         if (support::compare_ascii_no_case(str, "custom") == 0)
 366                 return InsetLayout::CUSTOM;
 367         if (support::compare_ascii_no_case(str, "element") == 0)
 368                 return InsetLayout::ELEMENT;
 369         if (support::compare_ascii_no_case(str, "end") == 0)
 370                 return InsetLayout::END;
 371         if (support::compare_ascii_no_case(str, "standard") == 0)
 372                 return InsetLayout::STANDARD;
 373         return InsetLayout::NOLYXTYPE;
 374 }
 375
 376
 377 string const & InsetLayout::htmltag() const
 378 {
 379         if (htmltag_.empty())
 380                 htmltag_ = multipar_ ? "div" : "span";
 381         return htmltag_;
 382 }
 383
 384
 385 string const & InsetLayout::htmlattr() const
 386 {
 387         if (htmlattr_.empty())
 388                 htmlattr_ = "class=\"" + defaultCSSClass() + "\"";
 389         return htmlattr_;
 390 }
 391
 392
 393 string const & InsetLayout::htmlinnerattr() const
 394 {
 395         if (htmlinnerattr_.empty())
 396                 htmlinnerattr_ = "class=\"" + defaultCSSClass() + "_inner\"";
 397         return htmlinnerattr_;
 398 }
 399
 400
 401 string InsetLayout::defaultCSSClass() const
 402 {
 403         if (!defaultcssclass_.empty())
 404                 return defaultcssclass_;
 405         string d;
 406         string n = to_utf8(name());
 407         string::const_iterator it = n.begin();
 408         string::const_iterator en = n.end();
 409         for (; it != en; ++it) {
 410                 if (!isalpha(*it))
 411                         d += "_";
 412                 else if (islower(*it))
 413                         d += *it;
 414                 else
 415                         d += support::lowercase(*it);
 416         }
 417         // are there other characters we need to remove?
 418         defaultcssclass_ = d;
 419         return defaultcssclass_;
 420 }
 421
 422
 423 void InsetLayout::makeDefaultCSS() const
 424 {
 425         if (!htmldefaultstyle_.empty())
 426                 return;
 427         docstring const mainfontCSS = font_.asCSS();
 428         if (!mainfontCSS.empty())
 429                 htmldefaultstyle_ =
 430                                 from_ascii(htmltag() + "." + defaultCSSClass() + " {\n") +
 431                                 mainfontCSS + from_ascii("\n}\n");
 432 }
 433
 434
 435 docstring InsetLayout::htmlstyle() const
 436 {
 437         if (!htmlstyle_.empty() && !htmlforcecss_)
 438                 return htmlstyle_;
 439         if (htmldefaultstyle_.empty())
 440                 makeDefaultCSS();
 441         docstring retval = htmldefaultstyle_;
 442         if (!htmlstyle_.empty())
 443                 retval += '\n' + htmlstyle_ + '\n';
 444         return retval;
 445 }
 446
 447
 448 } //namespace lyx