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