src/tex2lyx/preamble.C

   1 /** The .tex to .lyx converter
   2     \author André Pönitz (2003)
   3  */
   4
   5 // {[(
   6
   7 #include <config.h>
   8
   9 #include "Lsstream.h"
  10 #include "tex2lyx.h"
  11
  12 #include <algorithm>
  13 #include <iostream>
  14 #include <string>
  15 #include <vector>
  16
  17 using std::cerr;
  18 using std::endl;
  19 using std::getline;
  20 using std::istream;
  21 using std::istringstream;
  22 using std::ostream;
  23 using std::ostringstream;
  24 using std::string;
  25 using std::vector;
  26
  27
  28 namespace {
  29
  30 const char * known_languages[] = { "austrian", "babel", "bahasa", "basque",
  31 "breton", "british", "bulgarian", "catalan", "croatian", "czech", "danish",
  32 "dutch", "english", "esperanto", "estonian", "finnish", "francais",
  33 "frenchb", "galician", "german", "germanb", "greek", "hebcal", "hebfont",
  34 "hebrew", "hebrew_newcode", "hebrew_oldcode", "hebrew_p", "hyphen",
  35 "icelandic", "irish", "italian", "latin", "lgrcmr", "lgrcmro", "lgrcmss",
  36 "lgrcmtt", "lgrenc", "lgrlcmss", "lgrlcmtt", "lheclas", "lhecmr",
  37 "lhecmss", "lhecmtt", "lhecrml", "lheenc", "lhefr", "lheredis", "lheshold",
  38 "lheshscr", "lheshstk", "lsorbian", "magyar", "naustrian", "ngermanb",
  39 "ngerman", "norsk", "polish", "portuges", "rlbabel", "romanian",
  40 "russianb", "samin", "scottish", "serbian", "slovak", "slovene", "spanish",
  41 "swedish", "turkish", "ukraineb", "usorbian", "welsh", 0};
  42
  43 char const * known_fontsizes[] = { "10pt", "11pt", "12pt", 0 };
  44
  45 // some ugly stuff
  46 ostringstream h_preamble;
  47 string h_textclass               = "article";
  48 string h_options                 = "";
  49 string h_language                = "english";
  50 string h_inputencoding           = "latin1";
  51 string h_fontscheme              = "default";
  52 string h_graphics                = "default";
  53 string h_paperfontsize           = "default";
  54 string h_spacing                 = "single";
  55 string h_papersize               = "default";
  56 string h_paperpackage            = "default";
  57 string h_use_geometry            = "0";
  58 string h_use_amsmath             = "0";
  59 string h_use_natbib              = "0";
  60 string h_use_numerical_citations = "0";
  61 string h_paperorientation        = "portrait";
  62 string h_secnumdepth             = "3";
  63 string h_tocdepth                = "3";
  64 string h_paragraph_separation    = "indent";
  65 string h_defskip                 = "medskip";
  66 string h_quotes_language         = "english";
  67 string h_quotes_times            = "2";
  68 string h_papercolumns            = "1";
  69 string h_papersides              = "1";
  70 string h_paperpagestyle          = "default";
  71 string h_tracking_changes        = "0";
  72
  73
  74 void handle_opt(vector<string> & opts, char const ** what, string & target)
  75 {
  76         if (opts.empty())
  77                 return;
  78
  79         for ( ; *what; ++what) {
  80                 vector<string>::iterator it = find(opts.begin(), opts.end(), *what);
  81                 if (it != opts.end()) {
  82                         //cerr << "### found option '" << *what << "'\n";
  83                         target = *what;
  84                         opts.erase(it);
  85                         return;
  86                 }
  87         }
  88 }
  89
  90
  91 void handle_package(string const & name, string const & options)
  92 {
  93         //cerr << "handle_package: '" << name << "'\n";
  94         if (name == "a4wide") {
  95                 h_papersize = "a4paper";
  96                 h_paperpackage = "widemarginsa4";
  97         } else if (name == "ae")
  98                 h_fontscheme = "ae";
  99         else if (name == "aecompl")
 100                 h_fontscheme = "ae";
 101         else if (name == "amsmath")
 102                 h_use_amsmath = "1";
 103         else if (name == "amssymb")
 104                 h_use_amsmath = "1";
 105         else if (name == "babel")
 106                 ; // ignore this
 107         else if (name == "fontenc")
 108                 ; // ignore this
 109         else if (name == "inputenc")
 110                 h_inputencoding = options;
 111         else if (name == "makeidx")
 112                 ; // ignore this
 113         else if (name == "verbatim")
 114                 ; // ignore this
 115         else if (is_known(name, known_languages)) {
 116                 h_language = name;
 117                 h_quotes_language = name;
 118         } else {
 119                 if (options.size())
 120                         h_preamble << "\\usepackage[" << options << "]{" << name << "}\n";
 121                 else
 122                         h_preamble << "\\usepackage{" << name << "}\n";
 123         }
 124 }
 125
 126
 127
 128 void end_preamble(ostream & os)
 129 {
 130         os << "# tex2lyx 0.0.2 created this file\n"
 131            << "\\lyxformat 222\n"
 132            << "\\textclass " << h_textclass << "\n"
 133            << "\\begin_preamble\n" << h_preamble.str() << "\n\\end_preamble\n"
 134            << "\\options " << h_options << "\n"
 135            << "\\language " << h_language << "\n"
 136            << "\\inputencoding " << h_inputencoding << "\n"
 137            << "\\fontscheme " << h_fontscheme << "\n"
 138            << "\\graphics " << h_graphics << "\n"
 139            << "\\paperfontsize " << h_paperfontsize << "\n"
 140            << "\\spacing " << h_spacing << "\n"
 141            << "\\papersize " << h_papersize << "\n"
 142            << "\\paperpackage " << h_paperpackage << "\n"
 143            << "\\use_geometry " << h_use_geometry << "\n"
 144            << "\\use_amsmath " << h_use_amsmath << "\n"
 145            << "\\use_natbib " << h_use_natbib << "\n"
 146            << "\\use_numerical_citations " << h_use_numerical_citations << "\n"
 147            << "\\paperorientation " << h_paperorientation << "\n"
 148            << "\\secnumdepth " << h_secnumdepth << "\n"
 149            << "\\tocdepth " << h_tocdepth << "\n"
 150            << "\\paragraph_separation " << h_paragraph_separation << "\n"
 151            << "\\defskip " << h_defskip << "\n"
 152            << "\\quotes_language " << h_quotes_language << "\n"
 153            << "\\quotes_times " << h_quotes_times << "\n"
 154            << "\\papercolumns " << h_papercolumns << "\n"
 155            << "\\papersides " << h_papersides << "\n"
 156            << "\\paperpagestyle " << h_paperpagestyle << "\n"
 157            << "\\tracking_changes " << h_tracking_changes << "\n";
 158 }
 159
 160
 161 } // anonymous namespace
 162
 163 void parse_preamble(Parser & p, ostream & os)
 164 {
 165         while (p.good()) {
 166                 Token const & t = p.getToken();
 167
 168 #ifdef FILEDEBUG
 169                 cerr << "t: " << t << " flags: " << flags << "\n";
 170                 //cell->dump();
 171 #endif
 172
 173                 //
 174                 // cat codes
 175                 //
 176                 if (t.cat() == catLetter ||
 177                           t.cat() == catSpace ||
 178                           t.cat() == catSuper ||
 179                           t.cat() == catSub ||
 180                           t.cat() == catOther ||
 181                           t.cat() == catMath ||
 182                           t.cat() == catActive ||
 183                           t.cat() == catBegin ||
 184                           t.cat() == catEnd ||
 185                           t.cat() == catAlign ||
 186                           t.cat() == catNewline ||
 187                           t.cat() == catParameter)
 188                 h_preamble << t.character();
 189
 190                 else if (t.cat() == catComment)
 191                         handle_comment(p);
 192
 193                 else if (t.cs() == "pagestyle")
 194                         h_paperpagestyle == p.verbatimItem();
 195
 196                 else if (t.cs() == "makeatletter") {
 197                         p.setCatCode('@', catLetter);
 198                         h_preamble << "\\makeatletter\n";
 199                 }
 200
 201                 else if (t.cs() == "makeatother") {
 202                         p.setCatCode('@', catOther);
 203                         h_preamble << "\\makeatother\n";
 204                 }
 205
 206                 else if (t.cs() == "newcommand" || t.cs() == "renewcommand"
 207                             || t.cs() == "providecommand") {
 208                         bool star = false;
 209                         if (p.nextToken().character() == '*') {
 210                                 p.getToken();
 211                                 star = true;
 212                         }
 213                         string const name = p.verbatimItem();
 214                         string const opts = p.getOpt();
 215                         string const body = p.verbatimItem();
 216                         // only non-lyxspecific stuff
 217                         if (name != "\\noun "
 218                                   && name != "\\tabularnewline "
 219                             && name != "\\LyX "
 220                                   && name != "\\lyxline "
 221                                   && name != "\\lyxaddress "
 222                                   && name != "\\lyxrightaddress "
 223                                   && name != "\\boldsymbol "
 224                                   && name != "\\lyxarrow ") {
 225                                 ostringstream ss;
 226                                 ss << '\\' << t.cs();
 227                                 if (star)
 228                                         ss << '*';
 229                                 ss << '{' << name << '}' << opts << '{' << body << "}\n";
 230                                 h_preamble << ss.str();
 231 /*
 232                                 ostream & out = in_preamble ? h_preamble : os;
 233                                 out << "\\" << t.cs() << "{" << name << "}"
 234                                     << opts << "{" << body << "}\n";
 235 */
 236                         }
 237                 }
 238
 239                 else if (t.cs() == "documentclass") {
 240                         vector<string> opts;
 241                         split(p.getArg('[', ']'), opts, ',');
 242                         handle_opt(opts, known_languages, h_language);
 243                         handle_opt(opts, known_fontsizes, h_paperfontsize);
 244                         h_quotes_language = h_language;
 245                         h_options = join(opts, ",");
 246                         h_textclass = p.getArg('{', '}');
 247                 }
 248
 249                 else if (t.cs() == "usepackage") {
 250                         string const options = p.getArg('[', ']');
 251                         string const name = p.getArg('{', '}');
 252                         if (options.empty() && name.find(',')) {
 253                                 vector<string> vecnames;
 254                                 split(name, vecnames, ',');
 255                                 vector<string>::const_iterator it  = vecnames.begin();
 256                                 vector<string>::const_iterator end = vecnames.end();
 257                                 for (; it != end; ++it)
 258                                         handle_package(trim(*it), string());
 259                         } else {
 260                                 handle_package(name, options);
 261                         }
 262                 }
 263
 264                 else if (t.cs() == "newenvironment") {
 265                         string const name = p.getArg('{', '}');
 266                         ostringstream ss;
 267                         ss << "\\newenvironment{" << name << "}";
 268                         ss << p.getOpt();
 269                         ss << p.getOpt();
 270                         ss << '{' << p.verbatimItem() << '}';
 271                         ss << '{' << p.verbatimItem() << '}';
 272                         ss << '\n';
 273                         if (name != "lyxcode" && name != "lyxlist"
 274                                         && name != "lyxrightadress" && name != "lyxaddress")
 275                                 h_preamble << ss.str();
 276                 }
 277
 278                 else if (t.cs() == "def") {
 279                         string name = p.getToken().cs();
 280                         while (p.nextToken().cat() != catBegin)
 281                                 name += p.getToken().asString();
 282                         h_preamble << "\\def\\" << name << '{' << p.verbatimItem() << "}\n";
 283                 }
 284
 285                 else if (t.cs() == "setcounter") {
 286                         string const name = p.getArg('{', '}');
 287                         string const content = p.getArg('{', '}');
 288                         if (name == "secnumdepth")
 289                                 h_secnumdepth = content;
 290                         else if (name == "tocdepth")
 291                                 h_tocdepth = content;
 292                         else
 293                                 h_preamble << "\\setcounter{" << name << "}{" << content << "}\n";
 294                 }
 295
 296                 else if (t.cs() == "setlength") {
 297                         string const name = p.verbatimItem();
 298                         string const content = p.verbatimItem();
 299                         if (name == "parskip")
 300                                 h_paragraph_separation = "skip";
 301                         else if (name == "parindent")
 302                                 h_paragraph_separation = "skip";
 303                         else
 304                                 h_preamble << "\\setlength{" + name + "}{" + content + "}\n";
 305                 }
 306
 307                 else if (t.cs() == "par")
 308                         h_preamble << '\n';
 309
 310                 else if (t.cs() == "begin") {
 311                         string const name = p.getArg('{', '}');
 312                         if (name == "document") {
 313                                 end_preamble(os);
 314                                 os << "\n\n\\layout Standard\n\n";
 315                                 return;
 316                         }
 317                         h_preamble << "\\begin{" << name << "}";
 318                 }
 319
 320                 else if (t.cs().size())
 321                         h_preamble << '\\' << t.cs() << ' ';
 322         }
 323 }
 324
 325
 326 // }])