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 "tex2lyx.h"
  10
  11 #include <algorithm>
  12 #include <iostream>
  13 #include <sstream>
  14 #include <string>
  15 #include <vector>
  16 #include <map>
  17
  18 using std::cerr;
  19 using std::endl;
  20 using std::getline;
  21 using std::istream;
  22 using std::istringstream;
  23 using std::ostream;
  24 using std::ostringstream;
  25 using std::string;
  26 using std::vector;
  27
  28 // special columntypes
  29 extern std::map<char, int> special_columns;
  30
  31 namespace {
  32
  33 const char * known_languages[] = { "austrian", "babel", "bahasa", "basque",
  34 "breton", "british", "bulgarian", "catalan", "croatian", "czech", "danish",
  35 "dutch", "english", "esperanto", "estonian", "finnish", "francais",
  36 "frenchb", "galician", "german", "germanb", "greek", "hebcal", "hebfont",
  37 "hebrew", "hebrew_newcode", "hebrew_oldcode", "hebrew_p", "hyphen",
  38 "icelandic", "irish", "italian", "latin", "lgrcmr", "lgrcmro", "lgrcmss",
  39 "lgrcmtt", "lgrenc", "lgrlcmss", "lgrlcmtt", "lheclas", "lhecmr",
  40 "lhecmss", "lhecmtt", "lhecrml", "lheenc", "lhefr", "lheredis", "lheshold",
  41 "lheshscr", "lheshstk", "lsorbian", "magyar", "naustrian", "ngermanb",
  42 "ngerman", "norsk", "polish", "portuges", "rlbabel", "romanian",
  43 "russianb", "samin", "scottish", "serbian", "slovak", "slovene", "spanish",
  44 "swedish", "turkish", "ukraineb", "usorbian", "welsh", 0};
  45
  46 char const * known_fontsizes[] = { "10pt", "11pt", "12pt", 0 };
  47
  48 // some ugly stuff
  49 ostringstream h_preamble;
  50 string h_textclass               = "article";
  51 string h_options                 = string();
  52 string h_language                = "english";
  53 string h_inputencoding           = "latin1";
  54 string h_fontscheme              = "default";
  55 string h_graphics                = "default";
  56 string h_paperfontsize           = "default";
  57 string h_spacing                 = "single";
  58 string h_papersize               = "default";
  59 string h_paperpackage            = "default";
  60 string h_use_geometry            = "0";
  61 string h_use_amsmath             = "0";
  62 string h_use_natbib              = "0";
  63 string h_use_numerical_citations = "0";
  64 string h_paperorientation        = "portrait";
  65 string h_secnumdepth             = "3";
  66 string h_tocdepth                = "3";
  67 string h_paragraph_separation    = "indent";
  68 string h_defskip                 = "medskip";
  69 string h_quotes_language         = "english";
  70 string h_quotes_times            = "2";
  71 string h_papercolumns            = "1";
  72 string h_papersides              = "1";
  73 string h_paperpagestyle          = "default";
  74 string h_tracking_changes        = "0";
  75
  76
  77 void handle_opt(vector<string> & opts, char const ** what, string & target)
  78 {
  79         if (opts.empty())
  80                 return;
  81
  82         for ( ; *what; ++what) {
  83                 vector<string>::iterator it = find(opts.begin(), opts.end(), *what);
  84                 if (it != opts.end()) {
  85                         //cerr << "### found option '" << *what << "'\n";
  86                         target = *what;
  87                         opts.erase(it);
  88                         return;
  89                 }
  90         }
  91 }
  92
  93
  94 void handle_package(string const & name, string const & options)
  95 {
  96         //cerr << "handle_package: '" << name << "'\n";
  97         if (name == "a4wide") {
  98                 h_papersize = "a4paper";
  99                 h_paperpackage = "widemarginsa4";
 100         } else if (name == "ae")
 101                 h_fontscheme = "ae";
 102         else if (name == "aecompl")
 103                 h_fontscheme = "ae";
 104         else if (name == "amsmath")
 105                 h_use_amsmath = "1";
 106         else if (name == "amssymb")
 107                 h_use_amsmath = "1";
 108         else if (name == "babel")
 109                 ; // ignore this
 110         else if (name == "fontenc")
 111                 ; // ignore this
 112         else if (name == "inputenc")
 113                 h_inputencoding = options;
 114         else if (name == "makeidx")
 115                 ; // ignore this
 116         else if (name == "verbatim")
 117                 ; // ignore this
 118         else if (is_known(name, known_languages)) {
 119                 h_language = name;
 120                 h_quotes_language = name;
 121         } else {
 122                 if (options.size())
 123                         h_preamble << "\\usepackage[" << options << "]{" << name << "}\n";
 124                 else
 125                         h_preamble << "\\usepackage{" << name << "}\n";
 126         }
 127 }
 128
 129
 130
 131 void end_preamble(ostream & os)
 132 {
 133         os << "# tex2lyx 0.0.3 created this file\n"
 134            << "\\lyxformat 224\n"
 135            << "\\textclass " << h_textclass << "\n"
 136            << "\\begin_preamble\n" << h_preamble.str() << "\n\\end_preamble\n";
 137         if (h_options.size())
 138            os << "\\options " << h_options << "\n";
 139         os << "\\language " << h_language << "\n"
 140            << "\\inputencoding " << h_inputencoding << "\n"
 141            << "\\fontscheme " << h_fontscheme << "\n"
 142            << "\\graphics " << h_graphics << "\n"
 143            << "\\paperfontsize " << h_paperfontsize << "\n"
 144            << "\\spacing " << h_spacing << "\n"
 145            << "\\papersize " << h_papersize << "\n"
 146            << "\\paperpackage " << h_paperpackage << "\n"
 147            << "\\use_geometry " << h_use_geometry << "\n"
 148            << "\\use_amsmath " << h_use_amsmath << "\n"
 149            << "\\use_natbib " << h_use_natbib << "\n"
 150            << "\\use_numerical_citations " << h_use_numerical_citations << "\n"
 151            << "\\paperorientation " << h_paperorientation << "\n"
 152            << "\\secnumdepth " << h_secnumdepth << "\n"
 153            << "\\tocdepth " << h_tocdepth << "\n"
 154            << "\\paragraph_separation " << h_paragraph_separation << "\n"
 155            << "\\defskip " << h_defskip << "\n"
 156            << "\\quotes_language " << h_quotes_language << "\n"
 157            << "\\quotes_times " << h_quotes_times << "\n"
 158            << "\\papercolumns " << h_papercolumns << "\n"
 159            << "\\papersides " << h_papersides << "\n"
 160            << "\\paperpagestyle " << h_paperpagestyle << "\n"
 161            << "\\tracking_changes " << h_tracking_changes << "\n"
 162            << "\\end_header\n\n\\layout Standard\n";
 163 }
 164
 165
 166 } // anonymous namespace
 167
 168 void parse_preamble(Parser & p, ostream & os)
 169 {
 170         while (p.good()) {
 171                 Token const & t = p.get_token();
 172
 173 #ifdef FILEDEBUG
 174                 cerr << "t: " << t << " flags: " << flags << "\n";
 175                 //cell->dump();
 176 #endif
 177
 178                 //
 179                 // cat codes
 180                 //
 181                 if (t.cat() == catLetter ||
 182                           t.cat() == catSpace ||
 183                           t.cat() == catSuper ||
 184                           t.cat() == catSub ||
 185                           t.cat() == catOther ||
 186                           t.cat() == catMath ||
 187                           t.cat() == catActive ||
 188                           t.cat() == catBegin ||
 189                           t.cat() == catEnd ||
 190                           t.cat() == catAlign ||
 191                           t.cat() == catNewline ||
 192                           t.cat() == catParameter)
 193                 h_preamble << t.character();
 194
 195                 else if (t.cat() == catComment)
 196                         handle_comment(p);
 197
 198                 else if (t.cs() == "pagestyle")
 199                         h_paperpagestyle == p.verbatim_item();
 200
 201                 else if (t.cs() == "makeatletter") {
 202                         p.setCatCode('@', catLetter);
 203                         h_preamble << "\\makeatletter\n";
 204                 }
 205
 206                 else if (t.cs() == "makeatother") {
 207                         p.setCatCode('@', catOther);
 208                         h_preamble << "\\makeatother\n";
 209                 }
 210
 211                 else if (t.cs() == "newcommand" || t.cs() == "renewcommand"
 212                             || t.cs() == "providecommand") {
 213                         bool star = false;
 214                         if (p.next_token().character() == '*') {
 215                                 p.get_token();
 216                                 star = true;
 217                         }
 218                         string const name = p.verbatim_item();
 219                         string const opts = p.getOpt();
 220                         string const body = p.verbatim_item();
 221                         // only non-lyxspecific stuff
 222                         if (name != "\\noun "
 223                                   && name != "\\tabularnewline "
 224                             && name != "\\LyX "
 225                                   && name != "\\lyxline "
 226                                   && name != "\\lyxaddress "
 227                                   && name != "\\lyxrightaddress "
 228                                   && name != "\\boldsymbol "
 229                                   && name != "\\lyxarrow ") {
 230                                 ostringstream ss;
 231                                 ss << '\\' << t.cs();
 232                                 if (star)
 233                                         ss << '*';
 234                                 ss << '{' << name << '}' << opts << '{' << body << "}\n";
 235                                 h_preamble << ss.str();
 236 /*
 237                                 ostream & out = in_preamble ? h_preamble : os;
 238                                 out << "\\" << t.cs() << "{" << name << "}"
 239                                     << opts << "{" << body << "}\n";
 240 */
 241                         }
 242                 }
 243
 244                 else if (t.cs() == "documentclass") {
 245                         vector<string> opts;
 246                         split(p.getArg('[', ']'), opts, ',');
 247                         handle_opt(opts, known_languages, h_language);
 248                         handle_opt(opts, known_fontsizes, h_paperfontsize);
 249                         h_quotes_language = h_language;
 250                         h_options = join(opts, ",");
 251                         h_textclass = p.getArg('{', '}');
 252                 }
 253
 254                 else if (t.cs() == "usepackage") {
 255                         string const options = p.getArg('[', ']');
 256                         string const name = p.getArg('{', '}');
 257                         if (options.empty() && name.find(',')) {
 258                                 vector<string> vecnames;
 259                                 split(name, vecnames, ',');
 260                                 vector<string>::const_iterator it  = vecnames.begin();
 261                                 vector<string>::const_iterator end = vecnames.end();
 262                                 for (; it != end; ++it)
 263                                         handle_package(trim(*it), string());
 264                         } else {
 265                                 handle_package(name, options);
 266                         }
 267                 }
 268
 269                 else if (t.cs() == "newenvironment") {
 270                         string const name = p.getArg('{', '}');
 271                         ostringstream ss;
 272                         ss << "\\newenvironment{" << name << "}";
 273                         ss << p.getOpt();
 274                         ss << p.getOpt();
 275                         ss << '{' << p.verbatim_item() << '}';
 276                         ss << '{' << p.verbatim_item() << '}';
 277                         ss << '\n';
 278                         if (name != "lyxcode" && name != "lyxlist"
 279                                         && name != "lyxrightadress" && name != "lyxaddress")
 280                                 h_preamble << ss.str();
 281                 }
 282
 283                 else if (t.cs() == "def") {
 284                         string name = p.get_token().cs();
 285                         while (p.next_token().cat() != catBegin)
 286                                 name += p.get_token().asString();
 287                         h_preamble << "\\def\\" << name << '{' << p.verbatim_item() << "}\n";
 288                 }
 289
 290                 else if (t.cs() == "newcolumntype") {
 291                         string const name = p.getArg('{', '}');
 292                         trim(name);
 293                         int nargs = 0;
 294                         string opts = p.getOpt();
 295                         if (opts.size()) {
 296                                 istringstream is(string(opts, 1));
 297                                 //cerr << "opt: " << is.str() << "\n";
 298                                 is >> nargs;
 299                         }
 300                         special_columns[name[0]] = nargs;
 301                         h_preamble << "\\newcolumntype{" << name << "}";
 302                         if (nargs)
 303                                 h_preamble << "[" << nargs << "]";
 304                         h_preamble << "{" << p.verbatim_item() << "}\n";
 305                 }
 306
 307                 else if (t.cs() == "setcounter") {
 308                         string const name = p.getArg('{', '}');
 309                         string const content = p.getArg('{', '}');
 310                         if (name == "secnumdepth")
 311                                 h_secnumdepth = content;
 312                         else if (name == "tocdepth")
 313                                 h_tocdepth = content;
 314                         else
 315                                 h_preamble << "\\setcounter{" << name << "}{" << content << "}\n";
 316                 }
 317
 318                 else if (t.cs() == "setlength") {
 319                         string const name = p.verbatim_item();
 320                         string const content = p.verbatim_item();
 321                         if (name == "parskip")
 322                                 h_paragraph_separation = "skip";
 323                         else if (name == "parindent")
 324                                 h_paragraph_separation = "skip";
 325                         else
 326                                 h_preamble << "\\setlength{" << name << "}{" << content << "}\n";
 327                 }
 328
 329                 else if (t.cs() == "par")
 330                         h_preamble << '\n';
 331
 332                 else if (t.cs() == "begin") {
 333                         string const name = p.getArg('{', '}');
 334                         if (name == "document") {
 335                                 end_preamble(os);
 336                                 return;
 337                         }
 338                         h_preamble << "\\begin{" << name << "}";
 339                 }
 340
 341                 else if (t.cs().size())
 342                         h_preamble << '\\' << t.cs() << ' ';
 343         }
 344 }
 345
 346
 347 // }])