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 "layout.h"
  12 #include "lyxtextclass.h"
  13 #include "lyxlex.h"
  14 #include "support/filetools.h"
  15
  16 #include <algorithm>
  17 #include <iostream>
  18 #include <sstream>
  19 #include <string>
  20 #include <vector>
  21 #include <map>
  22
  23 using std::cerr;
  24 using std::endl;
  25 using std::getline;
  26 using std::istream;
  27 using std::istringstream;
  28 using std::ostream;
  29 using std::ostringstream;
  30 using std::string;
  31 using std::vector;
  32
  33 using lyx::support::LibFileSearch;
  34
  35 // special columntypes
  36 extern std::map<char, int> special_columns;
  37
  38 namespace {
  39
  40 const char * known_languages[] = { "austrian", "babel", "bahasa", "basque",
  41 "breton", "british", "bulgarian", "catalan", "croatian", "czech", "danish",
  42 "dutch", "english", "esperanto", "estonian", "finnish", "francais",
  43 "frenchb", "galician", "german", "germanb", "greek", "hebcal", "hebfont",
  44 "hebrew", "hebrew_newcode", "hebrew_oldcode", "hebrew_p", "hyphen",
  45 "icelandic", "irish", "italian", "latin", "lgrcmr", "lgrcmro", "lgrcmss",
  46 "lgrcmtt", "lgrenc", "lgrlcmss", "lgrlcmtt", "lheclas", "lhecmr",
  47 "lhecmss", "lhecmtt", "lhecrml", "lheenc", "lhefr", "lheredis", "lheshold",
  48 "lheshscr", "lheshstk", "lsorbian", "magyar", "naustrian", "ngermanb",
  49 "ngerman", "norsk", "polish", "portuges", "rlbabel", "romanian",
  50 "russianb", "samin", "scottish", "serbian", "slovak", "slovene", "spanish",
  51 "swedish", "turkish", "ukraineb", "usorbian", "welsh", 0};
  52
  53 char const * known_fontsizes[] = { "10pt", "11pt", "12pt", 0 };
  54
  55 // some ugly stuff
  56 ostringstream h_preamble;
  57 string h_textclass               = "article";
  58 string h_options                 = string();
  59 string h_language                = "english";
  60 string h_inputencoding           = "latin1";
  61 string h_fontscheme              = "default";
  62 string h_graphics                = "default";
  63 string h_paperfontsize           = "default";
  64 string h_spacing                 = "single";
  65 string h_papersize               = "default";
  66 string h_paperpackage            = "default";
  67 string h_use_geometry            = "0";
  68 string h_use_amsmath             = "0";
  69 string h_use_natbib              = "0";
  70 string h_use_numerical_citations = "0";
  71 string h_paperorientation        = "portrait";
  72 string h_secnumdepth             = "3";
  73 string h_tocdepth                = "3";
  74 string h_paragraph_separation    = "indent";
  75 string h_defskip                 = "medskip";
  76 string h_quotes_language         = "english";
  77 string h_quotes_times            = "2";
  78 string h_papercolumns            = "1";
  79 string h_papersides              = "1";
  80 string h_paperpagestyle          = "default";
  81 string h_tracking_changes        = "0";
  82
  83
  84 void handle_opt(vector<string> & opts, char const ** what, string & target)
  85 {
  86         if (opts.empty())
  87                 return;
  88
  89         for ( ; *what; ++what) {
  90                 vector<string>::iterator it = find(opts.begin(), opts.end(), *what);
  91                 if (it != opts.end()) {
  92                         //cerr << "### found option '" << *what << "'\n";
  93                         target = *what;
  94                         opts.erase(it);
  95                         return;
  96                 }
  97         }
  98 }
  99
 100
 101 void handle_package(string const & name, string const & options)
 102 {
 103         //cerr << "handle_package: '" << name << "'\n";
 104         if (name == "a4wide") {
 105                 h_papersize = "a4paper";
 106                 h_paperpackage = "widemarginsa4";
 107         } else if (name == "ae")
 108                 h_fontscheme = "ae";
 109         else if (name == "aecompl")
 110                 h_fontscheme = "ae";
 111         else if (name == "amsmath")
 112                 h_use_amsmath = "1";
 113         else if (name == "amssymb")
 114                 h_use_amsmath = "1";
 115         else if (name == "babel")
 116                 ; // ignore this
 117         else if (name == "fontenc")
 118                 ; // ignore this
 119         else if (name == "inputenc")
 120                 h_inputencoding = options;
 121         else if (name == "makeidx")
 122                 ; // ignore this
 123         else if (name == "verbatim")
 124                 ; // ignore this
 125         else if (is_known(name, known_languages)) {
 126                 h_language = name;
 127                 h_quotes_language = name;
 128         } else {
 129                 if (options.size())
 130                         h_preamble << "\\usepackage[" << options << "]{" << name << "}\n";
 131                 else
 132                         h_preamble << "\\usepackage{" << name << "}\n";
 133         }
 134 }
 135
 136
 137
 138 void end_preamble(ostream & os, LyXTextClass const & /*textclass*/)
 139 {
 140         os << "# tex2lyx 0.1.0 created this file\n"
 141            << "\\lyxformat 225\n"
 142            << "\\textclass " << h_textclass << "\n"
 143            << "\\begin_preamble\n" << h_preamble.str() << "\n\\end_preamble\n";
 144         if (h_options.size())
 145            os << "\\options " << h_options << "\n";
 146         os << "\\language " << h_language << "\n"
 147            << "\\inputencoding " << h_inputencoding << "\n"
 148            << "\\fontscheme " << h_fontscheme << "\n"
 149            << "\\graphics " << h_graphics << "\n"
 150            << "\\paperfontsize " << h_paperfontsize << "\n"
 151            << "\\spacing " << h_spacing << "\n"
 152            << "\\papersize " << h_papersize << "\n"
 153            << "\\paperpackage " << h_paperpackage << "\n"
 154            << "\\use_geometry " << h_use_geometry << "\n"
 155            << "\\use_amsmath " << h_use_amsmath << "\n"
 156            << "\\use_natbib " << h_use_natbib << "\n"
 157            << "\\use_numerical_citations " << h_use_numerical_citations << "\n"
 158            << "\\paperorientation " << h_paperorientation << "\n"
 159            << "\\secnumdepth " << h_secnumdepth << "\n"
 160            << "\\tocdepth " << h_tocdepth << "\n"
 161            << "\\paragraph_separation " << h_paragraph_separation << "\n"
 162            << "\\defskip " << h_defskip << "\n"
 163            << "\\quotes_language " << h_quotes_language << "\n"
 164            << "\\quotes_times " << h_quotes_times << "\n"
 165            << "\\papercolumns " << h_papercolumns << "\n"
 166            << "\\papersides " << h_papersides << "\n"
 167            << "\\paperpagestyle " << h_paperpagestyle << "\n"
 168            << "\\tracking_changes " << h_tracking_changes << "\n"
 169            << "\\end_header";
 170 }
 171
 172 } // anonymous namespace
 173
 174 LyXTextClass const parse_preamble(Parser & p, ostream & os)
 175 {
 176         // initialize fixed types
 177         special_columns['D'] = 3;
 178
 179         while (p.good()) {
 180                 Token const & t = p.get_token();
 181
 182 #ifdef FILEDEBUG
 183                 cerr << "t: " << t << " flags: " << flags << "\n";
 184                 //cell->dump();
 185 #endif
 186
 187                 //
 188                 // cat codes
 189                 //
 190                 if (t.cat() == catLetter ||
 191                           t.cat() == catSpace ||
 192                           t.cat() == catSuper ||
 193                           t.cat() == catSub ||
 194                           t.cat() == catOther ||
 195                           t.cat() == catMath ||
 196                           t.cat() == catActive ||
 197                           t.cat() == catBegin ||
 198                           t.cat() == catEnd ||
 199                           t.cat() == catAlign ||
 200                           t.cat() == catNewline ||
 201                           t.cat() == catParameter)
 202                 h_preamble << t.character();
 203
 204                 else if (t.cat() == catComment)
 205                         handle_comment(p);
 206
 207                 else if (t.cs() == "pagestyle")
 208                         h_paperpagestyle == p.verbatim_item();
 209
 210                 else if (t.cs() == "makeatletter") {
 211                         p.setCatCode('@', catLetter);
 212                         h_preamble << "\\makeatletter\n";
 213                 }
 214
 215                 else if (t.cs() == "makeatother") {
 216                         p.setCatCode('@', catOther);
 217                         h_preamble << "\\makeatother\n";
 218                 }
 219
 220                 else if (t.cs() == "newcommand" || t.cs() == "renewcommand"
 221                             || t.cs() == "providecommand") {
 222                         bool star = false;
 223                         if (p.next_token().character() == '*') {
 224                                 p.get_token();
 225                                 star = true;
 226                         }
 227                         string const name = p.verbatim_item();
 228                         string const opts = p.getOpt();
 229                         string const body = p.verbatim_item();
 230                         // only non-lyxspecific stuff
 231                         if (name != "\\noun "
 232                                   && name != "\\tabularnewline "
 233                             && name != "\\LyX "
 234                                   && name != "\\lyxline "
 235                                   && name != "\\lyxaddress "
 236                                   && name != "\\lyxrightaddress "
 237                                   && name != "\\boldsymbol "
 238                                   && name != "\\lyxarrow ") {
 239                                 ostringstream ss;
 240                                 ss << '\\' << t.cs();
 241                                 if (star)
 242                                         ss << '*';
 243                                 ss << '{' << name << '}' << opts << '{' << body << "}\n";
 244                                 h_preamble << ss.str();
 245 /*
 246                                 ostream & out = in_preamble ? h_preamble : os;
 247                                 out << "\\" << t.cs() << "{" << name << "}"
 248                                     << opts << "{" << body << "}\n";
 249 */
 250                         }
 251                 }
 252
 253                 else if (t.cs() == "documentclass") {
 254                         vector<string> opts;
 255                         split(p.getArg('[', ']'), opts, ',');
 256                         handle_opt(opts, known_languages, h_language);
 257                         handle_opt(opts, known_fontsizes, h_paperfontsize);
 258                         h_quotes_language = h_language;
 259                         h_options = join(opts, ",");
 260                         h_textclass = p.getArg('{', '}');
 261                 }
 262
 263                 else if (t.cs() == "usepackage") {
 264                         string const options = p.getArg('[', ']');
 265                         string const name = p.getArg('{', '}');
 266                         if (options.empty() && name.find(',')) {
 267                                 vector<string> vecnames;
 268                                 split(name, vecnames, ',');
 269                                 vector<string>::const_iterator it  = vecnames.begin();
 270                                 vector<string>::const_iterator end = vecnames.end();
 271                                 for (; it != end; ++it)
 272                                         handle_package(trim(*it), string());
 273                         } else {
 274                                 handle_package(name, options);
 275                         }
 276                 }
 277
 278                 else if (t.cs() == "newenvironment") {
 279                         string const name = p.getArg('{', '}');
 280                         ostringstream ss;
 281                         ss << "\\newenvironment{" << name << "}";
 282                         ss << p.getOpt();
 283                         ss << p.getOpt();
 284                         ss << '{' << p.verbatim_item() << '}';
 285                         ss << '{' << p.verbatim_item() << '}';
 286                         ss << '\n';
 287                         if (name != "lyxcode" && name != "lyxlist"
 288                                         && name != "lyxrightadress" && name != "lyxaddress")
 289                                 h_preamble << ss.str();
 290                 }
 291
 292                 else if (t.cs() == "def") {
 293                         string name = p.get_token().cs();
 294                         while (p.next_token().cat() != catBegin)
 295                                 name += p.get_token().asString();
 296                         h_preamble << "\\def\\" << name << '{' << p.verbatim_item() << "}\n";
 297                 }
 298
 299                 else if (t.cs() == "newcolumntype") {
 300                         string const name = p.getArg('{', '}');
 301                         trim(name);
 302                         int nargs = 0;
 303                         string opts = p.getOpt();
 304                         if (opts.size()) {
 305                                 istringstream is(string(opts, 1));
 306                                 //cerr << "opt: " << is.str() << "\n";
 307                                 is >> nargs;
 308                         }
 309                         special_columns[name[0]] = nargs;
 310                         h_preamble << "\\newcolumntype{" << name << "}";
 311                         if (nargs)
 312                                 h_preamble << "[" << nargs << "]";
 313                         h_preamble << "{" << p.verbatim_item() << "}\n";
 314                 }
 315
 316                 else if (t.cs() == "setcounter") {
 317                         string const name = p.getArg('{', '}');
 318                         string const content = p.getArg('{', '}');
 319                         if (name == "secnumdepth")
 320                                 h_secnumdepth = content;
 321                         else if (name == "tocdepth")
 322                                 h_tocdepth = content;
 323                         else
 324                                 h_preamble << "\\setcounter{" << name << "}{" << content << "}\n";
 325                 }
 326
 327                 else if (t.cs() == "setlength") {
 328                         string const name = p.verbatim_item();
 329                         string const content = p.verbatim_item();
 330                         if (name == "parskip")
 331                                 h_paragraph_separation = "skip";
 332                         else if (name == "parindent")
 333                                 h_paragraph_separation = "skip";
 334                         else
 335                                 h_preamble << "\\setlength{" << name << "}{" << content << "}\n";
 336                 }
 337
 338                 else if (t.cs() == "par")
 339                         h_preamble << '\n';
 340
 341                 else if (t.cs() == "begin") {
 342                         string const name = p.getArg('{', '}');
 343                         if (name == "document")
 344                                 break;
 345                         h_preamble << "\\begin{" << name << "}";
 346                 }
 347
 348                 else if (t.cs().size())
 349                         h_preamble << '\\' << t.cs() << ' ';
 350         }
 351
 352         LyXTextClass textclass;
 353         textclass.Read(LibFileSearch("layouts", h_textclass, "layout"));
 354         end_preamble(os, textclass);
 355         return textclass;
 356 }
 357
 358 // }])