src/tex2lyx/preamble.C

   1 /**
   2  * \file preamble.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author André Pönitz
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 // {[(
  12
  13 #include <config.h>
  14
  15 #include "tex2lyx.h"
  16
  17 #include "layout.h"
  18 #include "lyxtextclass.h"
  19 #include "lyxlex.h"
  20 #include "support/filetools.h"
  21
  22 #include <algorithm>
  23 #include <iostream>
  24 #include <sstream>
  25 #include <string>
  26 #include <vector>
  27 #include <map>
  28
  29 using std::cerr;
  30 using std::endl;
  31 using std::getline;
  32 using std::istream;
  33 using std::istringstream;
  34 using std::ostream;
  35 using std::ostringstream;
  36 using std::string;
  37 using std::vector;
  38
  39 using lyx::support::LibFileSearch;
  40
  41 // special columntypes
  42 extern std::map<char, int> special_columns;
  43
  44 namespace {
  45
  46 const char * known_languages[] = { "austrian", "babel", "bahasa", "basque",
  47 "breton", "british", "bulgarian", "catalan", "croatian", "czech", "danish",
  48 "dutch", "english", "esperanto", "estonian", "finnish", "francais",
  49 "frenchb", "galician", "german", "germanb", "greek", "hebcal", "hebfont",
  50 "hebrew", "hebrew_newcode", "hebrew_oldcode", "hebrew_p", "hyphen",
  51 "icelandic", "irish", "italian", "latin", "lgrcmr", "lgrcmro", "lgrcmss",
  52 "lgrcmtt", "lgrenc", "lgrlcmss", "lgrlcmtt", "lheclas", "lhecmr",
  53 "lhecmss", "lhecmtt", "lhecrml", "lheenc", "lhefr", "lheredis", "lheshold",
  54 "lheshscr", "lheshstk", "lsorbian", "magyar", "naustrian", "ngermanb",
  55 "ngerman", "norsk", "polish", "portuges", "rlbabel", "romanian",
  56 "russianb", "samin", "scottish", "serbian", "slovak", "slovene", "spanish",
  57 "swedish", "turkish", "ukraineb", "usorbian", "welsh", 0};
  58
  59 char const * known_fontsizes[] = { "10pt", "11pt", "12pt", 0 };
  60
  61 // some ugly stuff
  62 ostringstream h_preamble;
  63 string h_textclass               = "article";
  64 string h_options                 = string();
  65 string h_language                = "english";
  66 string h_inputencoding           = "latin1";
  67 string h_fontscheme              = "default";
  68 string h_graphics                = "default";
  69 string h_paperfontsize           = "default";
  70 string h_spacing                 = "single";
  71 string h_papersize               = "default";
  72 string h_paperpackage            = "default";
  73 string h_use_geometry            = "0";
  74 string h_use_amsmath             = "0";
  75 string h_use_natbib              = "0";
  76 string h_use_numerical_citations = "0";
  77 string h_paperorientation        = "portrait";
  78 string h_secnumdepth             = "3";
  79 string h_tocdepth                = "3";
  80 string h_paragraph_separation    = "indent";
  81 string h_defskip                 = "medskip";
  82 string h_quotes_language         = "english";
  83 string h_quotes_times            = "2";
  84 string h_papercolumns            = "1";
  85 string h_papersides              = "1";
  86 string h_paperpagestyle          = "default";
  87 string h_tracking_changes        = "0";
  88
  89
  90 void handle_opt(vector<string> & opts, char const ** what, string & target)
  91 {
  92         if (opts.empty())
  93                 return;
  94
  95         for ( ; *what; ++what) {
  96                 vector<string>::iterator it = find(opts.begin(), opts.end(), *what);
  97                 if (it != opts.end()) {
  98                         //cerr << "### found option '" << *what << "'\n";
  99                         target = *what;
 100                         opts.erase(it);
 101                         return;
 102                 }
 103         }
 104 }
 105
 106
 107 void handle_package(string const & name, string const & options)
 108 {
 109         //cerr << "handle_package: '" << name << "'\n";
 110         if (name == "a4wide") {
 111                 h_papersize = "a4paper";
 112                 h_paperpackage = "widemarginsa4";
 113         } else if (name == "ae")
 114                 h_fontscheme = "ae";
 115         else if (name == "aecompl")
 116                 h_fontscheme = "ae";
 117         else if (name == "amsmath")
 118                 h_use_amsmath = "1";
 119         else if (name == "amssymb")
 120                 h_use_amsmath = "1";
 121         else if (name == "babel")
 122                 ; // ignore this
 123         else if (name == "fontenc")
 124                 ; // ignore this
 125         else if (name == "inputenc")
 126                 h_inputencoding = options;
 127         else if (name == "makeidx")
 128                 ; // ignore this
 129         else if (name == "verbatim")
 130                 ; // ignore this
 131         else if (is_known(name, known_languages)) {
 132                 h_language = name;
 133                 h_quotes_language = name;
 134         } else {
 135                 if (options.size())
 136                         h_preamble << "\\usepackage[" << options << "]{" << name << "}\n";
 137                 else
 138                         h_preamble << "\\usepackage{" << name << "}\n";
 139         }
 140 }
 141
 142
 143
 144 void end_preamble(ostream & os, LyXTextClass const & /*textclass*/)
 145 {
 146         os << "#LyX file created by  tex2lyx 0.1.2 \n"
 147            << "\\lyxformat 225\n"
 148            << "\\textclass " << h_textclass << "\n"
 149            << "\\begin_preamble\n" << h_preamble.str() << "\n\\end_preamble\n";
 150         if (h_options.size())
 151            os << "\\options " << h_options << "\n";
 152         os << "\\language " << h_language << "\n"
 153            << "\\inputencoding " << h_inputencoding << "\n"
 154            << "\\fontscheme " << h_fontscheme << "\n"
 155            << "\\graphics " << h_graphics << "\n"
 156            << "\\paperfontsize " << h_paperfontsize << "\n"
 157            << "\\spacing " << h_spacing << "\n"
 158            << "\\papersize " << h_papersize << "\n"
 159            << "\\paperpackage " << h_paperpackage << "\n"
 160            << "\\use_geometry " << h_use_geometry << "\n"
 161            << "\\use_amsmath " << h_use_amsmath << "\n"
 162            << "\\use_natbib " << h_use_natbib << "\n"
 163            << "\\use_numerical_citations " << h_use_numerical_citations << "\n"
 164            << "\\paperorientation " << h_paperorientation << "\n"
 165            << "\\secnumdepth " << h_secnumdepth << "\n"
 166            << "\\tocdepth " << h_tocdepth << "\n"
 167            << "\\paragraph_separation " << h_paragraph_separation << "\n"
 168            << "\\defskip " << h_defskip << "\n"
 169            << "\\quotes_language " << h_quotes_language << "\n"
 170            << "\\quotes_times " << h_quotes_times << "\n"
 171            << "\\papercolumns " << h_papercolumns << "\n"
 172            << "\\papersides " << h_papersides << "\n"
 173            << "\\paperpagestyle " << h_paperpagestyle << "\n"
 174            << "\\tracking_changes " << h_tracking_changes << "\n"
 175            << "\\end_header\n";
 176 }
 177
 178 } // anonymous namespace
 179
 180 LyXTextClass const parse_preamble(Parser & p, ostream & os)
 181 {
 182         // initialize fixed types
 183         special_columns['D'] = 3;
 184
 185         while (p.good()) {
 186                 Token const & t = p.get_token();
 187
 188 #ifdef FILEDEBUG
 189                 cerr << "t: " << t << " flags: " << flags << "\n";
 190                 //cell->dump();
 191 #endif
 192
 193                 //
 194                 // cat codes
 195                 //
 196                 if (t.cat() == catLetter ||
 197                           t.cat() == catSpace ||
 198                           t.cat() == catSuper ||
 199                           t.cat() == catSub ||
 200                           t.cat() == catOther ||
 201                           t.cat() == catMath ||
 202                           t.cat() == catActive ||
 203                           t.cat() == catBegin ||
 204                           t.cat() == catEnd ||
 205                           t.cat() == catAlign ||
 206                           t.cat() == catNewline ||
 207                           t.cat() == catParameter)
 208                 h_preamble << t.character();
 209
 210                 else if (t.cat() == catComment)
 211                         handle_comment(p);
 212
 213                 else if (t.cs() == "pagestyle")
 214                         h_paperpagestyle == p.verbatim_item();
 215
 216                 else if (t.cs() == "makeatletter") {
 217                         p.setCatCode('@', catLetter);
 218                         h_preamble << "\\makeatletter\n";
 219                 }
 220
 221                 else if (t.cs() == "makeatother") {
 222                         p.setCatCode('@', catOther);
 223                         h_preamble << "\\makeatother\n";
 224                 }
 225
 226                 else if (t.cs() == "newcommand" || t.cs() == "renewcommand"
 227                             || t.cs() == "providecommand") {
 228                         bool star = false;
 229                         if (p.next_token().character() == '*') {
 230                                 p.get_token();
 231                                 star = true;
 232                         }
 233                         string const name = p.verbatim_item();
 234                         string const opts = p.getOpt();
 235                         string const body = p.verbatim_item();
 236                         // only non-lyxspecific stuff
 237                         if (name != "\\noun "
 238                                   && name != "\\tabularnewline "
 239                             && name != "\\LyX "
 240                                   && name != "\\lyxline "
 241                                   && name != "\\lyxaddress "
 242                                   && name != "\\lyxrightaddress "
 243                                   && name != "\\boldsymbol "
 244                                   && name != "\\lyxarrow ") {
 245                                 ostringstream ss;
 246                                 ss << '\\' << t.cs();
 247                                 if (star)
 248                                         ss << '*';
 249                                 ss << '{' << name << '}' << opts << '{' << body << "}\n";
 250                                 h_preamble << ss.str();
 251 /*
 252                                 ostream & out = in_preamble ? h_preamble : os;
 253                                 out << "\\" << t.cs() << "{" << name << "}"
 254                                     << opts << "{" << body << "}\n";
 255 */
 256                         }
 257                 }
 258
 259                 else if (t.cs() == "documentclass") {
 260                         vector<string> opts;
 261                         split(p.getArg('[', ']'), opts, ',');
 262                         handle_opt(opts, known_languages, h_language);
 263                         handle_opt(opts, known_fontsizes, h_paperfontsize);
 264                         h_quotes_language = h_language;
 265                         h_options = join(opts, ",");
 266                         h_textclass = p.getArg('{', '}');
 267                 }
 268
 269                 else if (t.cs() == "usepackage") {
 270                         string const options = p.getArg('[', ']');
 271                         string const name = p.getArg('{', '}');
 272                         if (options.empty() && name.find(',')) {
 273                                 vector<string> vecnames;
 274                                 split(name, vecnames, ',');
 275                                 vector<string>::const_iterator it  = vecnames.begin();
 276                                 vector<string>::const_iterator end = vecnames.end();
 277                                 for (; it != end; ++it)
 278                                         handle_package(trim(*it), string());
 279                         } else {
 280                                 handle_package(name, options);
 281                         }
 282                 }
 283
 284                 else if (t.cs() == "newenvironment") {
 285                         string const name = p.getArg('{', '}');
 286                         ostringstream ss;
 287                         ss << "\\newenvironment{" << name << "}";
 288                         ss << p.getOpt();
 289                         ss << p.getOpt();
 290                         ss << '{' << p.verbatim_item() << '}';
 291                         ss << '{' << p.verbatim_item() << '}';
 292                         ss << '\n';
 293                         if (name != "lyxcode" && name != "lyxlist"
 294                                         && name != "lyxrightadress" && name != "lyxaddress")
 295                                 h_preamble << ss.str();
 296                 }
 297
 298                 else if (t.cs() == "def") {
 299                         string name = p.get_token().cs();
 300                         while (p.next_token().cat() != catBegin)
 301                                 name += p.get_token().asString();
 302                         h_preamble << "\\def\\" << name << '{' << p.verbatim_item() << "}\n";
 303                 }
 304
 305                 else if (t.cs() == "newcolumntype") {
 306                         string const name = p.getArg('{', '}');
 307                         trim(name);
 308                         int nargs = 0;
 309                         string opts = p.getOpt();
 310                         if (opts.size()) {
 311                                 istringstream is(string(opts, 1));
 312                                 //cerr << "opt: " << is.str() << "\n";
 313                                 is >> nargs;
 314                         }
 315                         special_columns[name[0]] = nargs;
 316                         h_preamble << "\\newcolumntype{" << name << "}";
 317                         if (nargs)
 318                                 h_preamble << "[" << nargs << "]";
 319                         h_preamble << "{" << p.verbatim_item() << "}\n";
 320                 }
 321
 322                 else if (t.cs() == "setcounter") {
 323                         string const name = p.getArg('{', '}');
 324                         string const content = p.getArg('{', '}');
 325                         if (name == "secnumdepth")
 326                                 h_secnumdepth = content;
 327                         else if (name == "tocdepth")
 328                                 h_tocdepth = content;
 329                         else
 330                                 h_preamble << "\\setcounter{" << name << "}{" << content << "}\n";
 331                 }
 332
 333                 else if (t.cs() == "setlength") {
 334                         string const name = p.verbatim_item();
 335                         string const content = p.verbatim_item();
 336                         if (name == "parskip")
 337                                 h_paragraph_separation = "skip";
 338                         else if (name == "parindent")
 339                                 h_paragraph_separation = "skip";
 340                         else
 341                                 h_preamble << "\\setlength{" << name << "}{" << content << "}\n";
 342                 }
 343
 344                 else if (t.cs() == "par")
 345                         h_preamble << '\n';
 346
 347                 else if (t.cs() == "begin") {
 348                         string const name = p.getArg('{', '}');
 349                         if (name == "document")
 350                                 break;
 351                         h_preamble << "\\begin{" << name << "}";
 352                 }
 353
 354                 else if (t.cs().size())
 355                         h_preamble << '\\' << t.cs() << ' ';
 356         }
 357
 358         LyXTextClass textclass;
 359         textclass.Read(LibFileSearch("layouts", h_textclass, "layout"));
 360         end_preamble(os, textclass);
 361         return textclass;
 362 }
 363
 364 // }])