3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
9 * Full author contact details are available in file CREDITS.
18 #include "LayoutFile.h"
21 #include "TextClass.h"
23 #include "support/convert.h"
24 #include "support/FileName.h"
25 #include "support/filetools.h"
26 #include "support/lstrings.h"
28 #include <boost/regex.hpp>
38 using namespace lyx::support;
44 // special columntypes
45 extern map<char, int> special_columns;
47 map<string, vector<string> > used_packages;
49 // needed to handle encodings with babel
50 bool one_language = true;
52 // to avoid that the babel options overwrite the documentclass options
53 bool documentclass_language = false;
57 const char * const known_languages[] = { "afrikaans", "american", "arabic",
58 "austrian", "bahasa", "basque", "belarusian", "brazil", "brazilian", "breton",
59 "british", "bulgarian", "canadian", "canadien", "catalan", "croatian", "czech",
60 "danish", "dutch", "english", "esperanto", "estonian", "finnish", "francais",
61 "french", "frenchb", "frenchle", "frenchpro", "galician", "german", "germanb",
62 "greek", "hebrew", "icelandic", "irish", "italian", "lsorbian", "magyar",
63 "naustrian", "ngerman", "ngermanb", "norsk", "nynorsk", "polish", "portuges",
64 "portuguese", "romanian", "russian", "russianb", "scottish", "serbian", "slovak",
65 "slovene", "spanish", "swedish", "thai", "turkish", "ukraineb", "ukrainian",
66 "usorbian", "welsh", 0};
68 //note this when updating to lyxformat 305:
69 //bahasai, indonesian, and indon = equal to bahasa
70 //malay and meyalu = equal to bahasam
72 const char * const known_brazilian_languages[] = {"brazil", "brazilian", 0};
73 const char * const known_french_languages[] = {"french", "frenchb", "francais",
74 "frenchle", "frenchpro", 0};
75 const char * const known_german_languages[] = {"german", "germanb", 0};
76 const char * const known_ngerman_languages[] = {"ngerman", "ngermanb", 0};
77 const char * const known_portuguese_languages[] = {"portuges", "portuguese", 0};
78 const char * const known_russian_languages[] = {"russian", "russianb", 0};
79 const char * const known_ukrainian_languages[] = {"ukrainian", "ukraineb", 0};
81 char const * const known_fontsizes[] = { "10pt", "11pt", "12pt", 0 };
83 const char * const known_roman_fonts[] = { "ae", "bookman", "charter",
84 "cmr", "fourier", "lmodern", "mathpazo", "mathptmx", "newcent", 0};
86 const char * const known_sans_fonts[] = { "avant", "berasans", "cmbr", "cmss",
89 const char * const known_typewriter_fonts[] = { "beramono", "cmtl", "cmtt",
90 "courier", "lmtt", "luximono", "fourier", "lmodern", "mathpazo", "mathptmx",
93 const char * const known_paper_sizes[] = { "a3paper", "b3paper", "a4paper",
94 "b4paper", "a5paper", "b5paper", "executivepaper", "legalpaper",
97 const char * const known_class_paper_sizes[] = { "a4paper", "a5paper",
98 "executivepaper", "legalpaper", "letterpaper", 0};
100 const char * const known_paper_margins[] = { "lmargin", "tmargin", "rmargin",
101 "bmargin", "headheight", "headsep", "footskip", "columnsep", 0};
103 const char * const known_coded_paper_margins[] = { "leftmargin", "topmargin",
104 "rightmargin", "bottommargin", "headheight", "headsep", "footskip",
108 ostringstream h_preamble;
109 string h_textclass = "article";
110 string h_options = string();
111 string h_language = "english";
112 string h_inputencoding = "auto";
113 string h_font_roman = "default";
114 string h_font_sans = "default";
115 string h_font_typewriter = "default";
116 string h_font_default_family = "default";
117 string h_font_sc = "false";
118 string h_font_osf = "false";
119 string h_font_sf_scale = "100";
120 string h_font_tt_scale = "100";
121 string h_graphics = "default";
122 string h_paperfontsize = "default";
123 string h_spacing = "single";
124 string h_papersize = "default";
125 string h_use_geometry = "false";
126 string h_use_amsmath = "1";
127 string h_use_esint = "1";
128 string h_cite_engine = "basic";
129 string h_use_bibtopic = "false";
130 string h_paperorientation = "portrait";
131 string h_secnumdepth = "3";
132 string h_tocdepth = "3";
133 string h_paragraph_separation = "indent";
134 string h_defskip = "medskip";
135 string h_quotes_language = "english";
136 string h_papercolumns = "1";
137 string h_papersides = string();
138 string h_paperpagestyle = "default";
139 string h_tracking_changes = "false";
140 string h_output_changes = "false";
141 string h_margins = "";
144 // returns true if at least one of the options in what has been found
145 bool handle_opt(vector<string> & opts, char const * const * what, string & target)
151 // the last language option is the document language (for babel and LyX)
152 // the last size option is the document font size
153 vector<string>::iterator it;
154 vector<string>::iterator position = opts.begin();
155 for (; *what; ++what) {
156 it = find(opts.begin(), opts.end(), *what);
157 if (it != opts.end()) {
158 if (it >= position) {
169 void delete_opt(vector<string> & opts, char const * const * what)
174 // remove found options from the list
175 // do this after handle_opt to avoid potential memory leaks
176 vector<string>::iterator it;
177 for (; *what; ++what) {
178 it = find(opts.begin(), opts.end(), *what);
179 if (it != opts.end())
186 * Split a package options string (keyval format) into a vector.
188 * authorformat=smallcaps,
190 * titleformat=colonsep,
191 * bibformat={tabular,ibidem,numbered}
193 vector<string> split_options(string const & input)
195 vector<string> options;
199 Token const & t = p.get_token();
200 if (t.asInput() == ",") {
201 options.push_back(trim(option));
203 } else if (t.asInput() == "=") {
206 if (p.next_token().asInput() == "{")
207 option += '{' + p.getArg('{', '}') + '}';
208 } else if (t.cat() != catSpace)
209 option += t.asInput();
213 options.push_back(trim(option));
220 * Add package \p name with options \p options to used_packages.
221 * Remove options from \p options that we don't want to output.
223 void add_package(string const & name, vector<string> & options)
225 // every package inherits the global options
226 if (used_packages.find(name) == used_packages.end())
227 used_packages[name] = split_options(h_options);
229 vector<string> & v = used_packages[name];
230 v.insert(v.end(), options.begin(), options.end());
231 if (name == "jurabib") {
232 // Don't output the order argument (see the cite command
233 // handling code in text.cpp).
234 vector<string>::iterator end =
235 remove(options.begin(), options.end(), "natbiborder");
236 end = remove(options.begin(), end, "jurabiborder");
237 options.erase(end, options.end());
242 // Given is a string like "scaled=0.9", return 0.9 * 100
243 string const scale_as_percentage(string const & scale)
245 string::size_type pos = scale.find('=');
246 if (pos != string::npos) {
247 string value = scale.substr(pos + 1);
249 return convert<string>(100 * convert<double>(value));
251 // If the input string didn't match our expectations.
252 // return the default value "100"
257 void handle_package(Parser &p, string const & name, string const & opts,
258 bool in_lyx_preamble)
260 vector<string> options = split_options(opts);
261 add_package(name, options);
265 if (is_known(name, known_roman_fonts)) {
270 if (name == "fourier") {
271 h_font_roman = "utopia";
272 // when font uses real small capitals
273 if (opts == "expert")
277 if (name == "mathpazo")
278 h_font_roman = "palatino";
280 if (name == "mathptmx")
281 h_font_roman = "times";
284 if (is_known(name, known_sans_fonts)) {
288 h_font_sf_scale = scale_as_percentage(scale);
293 if (is_known(name, known_typewriter_fonts)) {
294 h_font_typewriter = name;
297 h_font_tt_scale = scale_as_percentage(scale);
301 // font uses old-style figure
305 else if (name == "amsmath" || name == "amssymb")
308 else if (name == "esint")
311 else if (name == "babel" && !opts.empty()) {
312 // check if more than one option was used - used later for inputenc
313 // in case inputenc is parsed before babel, set the encoding to auto
314 if (options.begin() != options.end() - 1) {
315 one_language = false;
316 h_inputencoding = "auto";
318 // only set the document language when there was not already one set
319 // via the documentclass options
320 // babel takes the the last language given in the documentclass options
321 // as document language. If there is no such language option, the last
322 // option of its \usepackage call is used.
323 if (documentclass_language == false) {
324 handle_opt(options, known_languages, h_language);
325 delete_opt(options, known_languages);
326 if (is_known(h_language, known_brazilian_languages))
327 h_language = "brazilian";
328 else if (is_known(h_language, known_french_languages))
329 h_language = "french";
330 else if (is_known(h_language, known_german_languages))
331 h_language = "german";
332 else if (is_known(h_language, known_ngerman_languages))
333 h_language = "ngerman";
334 else if (is_known(h_language, known_portuguese_languages))
335 h_language = "portuguese";
336 else if (is_known(h_language, known_russian_languages))
337 h_language = "russian";
338 else if (is_known(h_language, known_ukrainian_languages))
339 h_language = "ukrainian";
340 h_quotes_language = h_language;
344 else if (name == "fontenc")
347 else if (name == "inputenc") {
348 // only set when there is not more than one inputenc
349 // option therefore check for the "," character also
350 // only set when there is not more then one babel
352 if (opts.find(",") == string::npos && one_language == true) {
354 //change ascii to auto to be in the unicode range, see
355 //http://bugzilla.lyx.org/show_bug.cgi?id=4719
356 h_inputencoding = "auto";
357 else if (!opts.empty())
358 h_inputencoding = opts;
360 if (!options.empty())
361 p.setEncoding(options.back());
365 else if (name == "makeidx")
368 else if (name == "prettyref")
371 else if (name == "varioref")
374 else if (name == "verbatim")
377 else if (name == "nomencl")
380 else if (name == "textcomp")
383 else if (name == "url")
386 else if (name == "color") {
387 // with the following command this package is only loaded when needed for
388 // undefined colors, since we only support the predefined colors
389 h_preamble << "\\@ifundefined{definecolor}\n {\\usepackage{color}}{}\n";
392 else if (name == "graphicx")
395 else if (name == "setspace")
398 else if (name == "geometry")
399 ; // Ignore this, the geometry settings are made by the \geometry
400 // command. This command is handled below.
402 else if (is_known(name, known_languages)) {
403 if (is_known(h_language, known_brazilian_languages))
404 h_language = "brazilian";
405 else if (is_known(name, known_french_languages))
406 h_language = "french";
407 else if (is_known(name, known_german_languages))
408 h_language = "german";
409 else if (is_known(name, known_ngerman_languages))
410 h_language = "ngerman";
411 else if (is_known(h_language, known_portuguese_languages))
412 h_language = "portuguese";
413 else if (is_known(name, known_russian_languages))
414 h_language = "russian";
415 else if (is_known(name, known_ukrainian_languages))
416 h_language = "ukrainian";
419 h_quotes_language = h_language;
422 else if (name == "natbib") {
423 h_cite_engine = "natbib_authoryear";
424 vector<string>::iterator it =
425 find(options.begin(), options.end(), "authoryear");
426 if (it != options.end())
429 it = find(options.begin(), options.end(), "numbers");
430 if (it != options.end()) {
431 h_cite_engine = "natbib_numerical";
437 else if (name == "jurabib")
438 h_cite_engine = "jurabib";
440 else if (!in_lyx_preamble) {
442 h_preamble << "\\usepackage{" << name << "}";
444 h_preamble << "\\usepackage[" << opts << "]{"
450 // We need to do something with the options...
451 if (!options.empty())
452 cerr << "Ignoring options '" << join(options, ",")
453 << "' of package " << name << '.' << endl;
455 // remove the whitespace
461 void end_preamble(ostream & os, TextClass const & /*textclass*/)
463 os << "#LyX file created by tex2lyx " << PACKAGE_VERSION << "\n"
464 << "\\lyxformat 264\n"
465 << "\\begin_document\n"
466 << "\\begin_header\n"
467 << "\\textclass " << h_textclass << "\n";
468 if (!h_preamble.str().empty())
469 os << "\\begin_preamble\n" << h_preamble.str() << "\n\\end_preamble\n";
470 if (!h_options.empty())
471 os << "\\options " << h_options << "\n";
472 os << "\\language " << h_language << "\n"
473 << "\\inputencoding " << h_inputencoding << "\n"
474 << "\\font_roman " << h_font_roman << "\n"
475 << "\\font_sans " << h_font_sans << "\n"
476 << "\\font_typewriter " << h_font_typewriter << "\n"
477 << "\\font_default_family " << h_font_default_family << "\n"
478 << "\\font_sc " << h_font_sc << "\n"
479 << "\\font_osf " << h_font_osf << "\n"
480 << "\\font_sf_scale " << h_font_sf_scale << "\n"
481 << "\\font_tt_scale " << h_font_tt_scale << "\n"
482 << "\\graphics " << h_graphics << "\n"
483 << "\\paperfontsize " << h_paperfontsize << "\n"
484 << "\\spacing " << h_spacing << "\n"
485 << "\\papersize " << h_papersize << "\n"
486 << "\\use_geometry " << h_use_geometry << "\n"
487 << "\\use_amsmath " << h_use_amsmath << "\n"
488 << "\\use_esint " << h_use_esint << "\n"
489 << "\\cite_engine " << h_cite_engine << "\n"
490 << "\\use_bibtopic " << h_use_bibtopic << "\n"
491 << "\\paperorientation " << h_paperorientation << "\n"
493 << "\\secnumdepth " << h_secnumdepth << "\n"
494 << "\\tocdepth " << h_tocdepth << "\n"
495 << "\\paragraph_separation " << h_paragraph_separation << "\n"
496 << "\\defskip " << h_defskip << "\n"
497 << "\\quotes_language " << h_quotes_language << "\n"
498 << "\\papercolumns " << h_papercolumns << "\n"
499 << "\\papersides " << h_papersides << "\n"
500 << "\\paperpagestyle " << h_paperpagestyle << "\n"
501 << "\\tracking_changes " << h_tracking_changes << "\n"
502 << "\\output_changes " << h_output_changes << "\n"
503 << "\\end_header\n\n"
505 // clear preamble for subdocuments
509 } // anonymous namespace
511 void parse_preamble(Parser & p, ostream & os,
512 string const & forceclass, TeX2LyXDocClass & tc)
514 // initialize fixed types
515 special_columns['D'] = 3;
516 bool is_full_document = false;
517 bool is_lyx_file = false;
518 bool in_lyx_preamble = false;
520 // determine whether this is a full document or a fragment for inclusion
522 Token const & t = p.get_token();
524 if (t.cat() == catEscape && t.cs() == "documentclass") {
525 is_full_document = true;
531 while (is_full_document && p.good()) {
532 Token const & t = p.get_token();
535 cerr << "t: " << t << "\n";
541 if (!in_lyx_preamble &&
542 (t.cat() == catLetter ||
543 t.cat() == catSuper ||
545 t.cat() == catOther ||
546 t.cat() == catMath ||
547 t.cat() == catActive ||
548 t.cat() == catBegin ||
550 t.cat() == catAlign ||
551 t.cat() == catParameter))
552 h_preamble << t.character();
554 else if (!in_lyx_preamble &&
555 (t.cat() == catSpace || t.cat() == catNewline))
556 h_preamble << t.asInput();
558 else if (t.cat() == catComment) {
559 // regex to parse comments (currently not used)
560 static regex const islyxfile("%% LyX .* created this file");
561 static regex const usercommands("User specified LaTeX commands");
563 string const comment = t.asInput();
565 // magically switch encoding default if it looks like XeLaTeX
566 static string const magicXeLaTeX =
567 "% This document must be compiled with XeLaTeX ";
568 if (comment.size() > magicXeLaTeX.size()
569 && comment.substr(0, magicXeLaTeX.size()) == magicXeLaTeX
570 && h_inputencoding == "auto") {
571 cerr << "XeLaTeX comment found, switching to UTF8\n";
572 h_inputencoding = "utf8";
575 if (regex_search(comment, sub, islyxfile)) {
577 in_lyx_preamble = true;
578 } else if (is_lyx_file
579 && regex_search(comment, sub, usercommands))
580 in_lyx_preamble = false;
581 else if (!in_lyx_preamble)
582 h_preamble << t.asInput();
585 else if (t.cs() == "pagestyle")
586 h_paperpagestyle = p.verbatim_item();
588 else if (t.cs() == "makeatletter") {
589 // LyX takes care of this
590 p.setCatCode('@', catLetter);
593 else if (t.cs() == "makeatother") {
594 // LyX takes care of this
595 p.setCatCode('@', catOther);
598 else if (t.cs() == "newcommand" || t.cs() == "renewcommand"
599 || t.cs() == "providecommand"
600 || t.cs() == "DeclareRobustCommand"
601 || t.cs() == "ProvideTextCommandDefault"
602 || t.cs() == "DeclareMathAccent") {
604 if (p.next_token().character() == '*') {
608 string const name = p.verbatim_item();
609 string const opt1 = p.getOpt();
610 string const opt2 = p.getFullOpt();
611 string const body = p.verbatim_item();
613 if (name == "\\rmdefault")
614 if (is_known(body, known_roman_fonts))
616 if (name == "\\sfdefault")
617 if (is_known(body, known_sans_fonts))
619 if (name == "\\ttdefault")
620 if (is_known(body, known_typewriter_fonts))
621 h_font_typewriter = body;
622 if (name == "\\familydefault") {
623 string family = body;
624 // remove leading "\"
625 h_font_default_family = family.erase(0,1);
627 // only non-lyxspecific stuff
628 if (!in_lyx_preamble) {
630 ss << '\\' << t.cs();
633 ss << '{' << name << '}' << opt1 << opt2
634 << '{' << body << "}";
635 h_preamble << ss.str();
637 // Add the command to the known commands
638 add_known_command(name, opt1, !opt2.empty());
640 ostream & out = in_preamble ? h_preamble : os;
641 out << "\\" << t.cs() << "{" << name << "}"
642 << opts << "{" << body << "}";
647 else if (t.cs() == "documentclass") {
648 vector<string>::iterator it;
649 vector<string> opts = split_options(p.getArg('[', ']'));
650 handle_opt(opts, known_fontsizes, h_paperfontsize);
651 delete_opt(opts, known_fontsizes);
652 // delete "pt" at the end
653 string::size_type i = h_paperfontsize.find("pt");
654 if (i != string::npos)
655 h_paperfontsize.erase(i);
656 // to avoid that the babel options overwrite the documentclass options
657 documentclass_language =
658 handle_opt(opts, known_languages, h_language);
659 delete_opt(opts, known_languages);
660 if (is_known(h_language, known_brazilian_languages))
661 h_language = "brazilian";
662 else if (is_known(h_language, known_french_languages))
663 h_language = "french";
664 else if (is_known(h_language, known_german_languages))
665 h_language = "german";
666 else if (is_known(h_language, known_ngerman_languages))
667 h_language = "ngerman";
668 else if (is_known(h_language, known_portuguese_languages))
669 h_language = "portuguese";
670 else if (is_known(h_language, known_russian_languages))
671 h_language = "russian";
672 else if (is_known(h_language, known_ukrainian_languages))
673 h_language = "ukrainian";
674 h_quotes_language = h_language;
676 if ((it = find(opts.begin(), opts.end(), "landscape")) != opts.end()) {
677 h_paperorientation = "landscape";
681 if ((it = find(opts.begin(), opts.end(), "oneside"))
686 if ((it = find(opts.begin(), opts.end(), "twoside"))
692 if ((it = find(opts.begin(), opts.end(), "onecolumn"))
694 h_papercolumns = "1";
697 if ((it = find(opts.begin(), opts.end(), "twocolumn"))
699 h_papercolumns = "2";
703 // some size options are know to any document classes, other sizes
704 // are handled by the \geometry command of the geometry package
705 handle_opt(opts, known_class_paper_sizes, h_papersize);
706 delete_opt(opts, known_class_paper_sizes);
707 // the remaining options
708 h_options = join(opts, ",");
709 h_textclass = p.getArg('{', '}');
712 else if (t.cs() == "usepackage") {
713 string const options = p.getArg('[', ']');
714 string const name = p.getArg('{', '}');
715 vector<string> vecnames;
716 split(name, vecnames, ',');
717 vector<string>::const_iterator it = vecnames.begin();
718 vector<string>::const_iterator end = vecnames.end();
719 for (; it != end; ++it)
720 handle_package(p, trim(*it), options,
724 else if (t.cs() == "inputencoding") {
725 string const encoding = p.getArg('{','}');
726 h_inputencoding = encoding;
727 p.setEncoding(encoding);
730 else if (t.cs() == "newenvironment") {
731 string const name = p.getArg('{', '}');
733 ss << "\\newenvironment{" << name << "}";
736 ss << '{' << p.verbatim_item() << '}';
737 ss << '{' << p.verbatim_item() << '}';
738 if (!in_lyx_preamble)
739 h_preamble << ss.str();
742 else if (t.cs() == "def") {
743 string name = p.get_token().cs();
744 while (p.next_token().cat() != catBegin)
745 name += p.get_token().asString();
746 if (!in_lyx_preamble)
747 h_preamble << "\\def\\" << name << '{'
748 << p.verbatim_item() << "}";
751 else if (t.cs() == "newcolumntype") {
752 string const name = p.getArg('{', '}');
755 string opts = p.getOpt();
757 istringstream is(string(opts, 1));
760 special_columns[name[0]] = nargs;
761 h_preamble << "\\newcolumntype{" << name << "}";
763 h_preamble << "[" << nargs << "]";
764 h_preamble << "{" << p.verbatim_item() << "}";
767 else if (t.cs() == "setcounter") {
768 string const name = p.getArg('{', '}');
769 string const content = p.getArg('{', '}');
770 if (name == "secnumdepth")
771 h_secnumdepth = content;
772 else if (name == "tocdepth")
773 h_tocdepth = content;
775 h_preamble << "\\setcounter{" << name << "}{" << content << "}";
778 else if (t.cs() == "setlength") {
779 string const name = p.verbatim_item();
780 string const content = p.verbatim_item();
781 // the paragraphs are only not indented when \parindent is set to zero
782 if (name == "\\parindent" && content != "") {
783 if (content[0] == '0')
784 h_paragraph_separation = "skip";
785 } else if (name == "\\parskip") {
786 if (content == "\\smallskipamount")
787 h_defskip = "smallskip";
788 else if (content == "\\medskipamount")
789 h_defskip = "medskip";
790 else if (content == "\\bigskipamount")
791 h_defskip = "bigskip";
795 h_preamble << "\\setlength{" << name << "}{" << content << "}";
798 else if (t.cs() == "onehalfspacing")
799 h_spacing = "onehalf";
801 else if (t.cs() == "doublespacing")
802 h_spacing = "double";
804 else if (t.cs() == "setstretch")
805 h_spacing = "other " + p.verbatim_item();
807 else if (t.cs() == "begin") {
808 string const name = p.getArg('{', '}');
809 if (name == "document")
811 h_preamble << "\\begin{" << name << "}";
814 else if (t.cs() == "geometry") {
815 h_use_geometry = "true";
816 vector<string> opts = split_options(p.getArg('{', '}'));
817 vector<string>::iterator it;
819 if ((it = find(opts.begin(), opts.end(), "landscape")) != opts.end()) {
820 h_paperorientation = "landscape";
824 handle_opt(opts, known_paper_sizes, h_papersize);
825 delete_opt(opts, known_paper_sizes);
827 char const * const * margin = known_paper_margins;
829 for (; *margin; ++margin) {
831 // search for the "=" in e.g. "lmargin=2cm" to get the value
832 for(size_t i = 0; i != opts.size(); i++) {
833 if (opts.at(i).find(*margin) != string::npos) {
834 string::size_type pos = opts.at(i).find("=");
835 string value = opts.at(i).substr(pos + 1);
836 string name = known_coded_paper_margins[k];
837 h_margins += "\\" + name + " " + value + "\n";
843 else if (t.cs() == "jurabibsetup") {
844 vector<string> jurabibsetup =
845 split_options(p.getArg('{', '}'));
846 // add jurabibsetup to the jurabib package options
847 add_package("jurabib", jurabibsetup);
848 if (!jurabibsetup.empty()) {
849 h_preamble << "\\jurabibsetup{"
850 << join(jurabibsetup, ",") << '}';
854 else if (!t.cs().empty() && !in_lyx_preamble)
855 h_preamble << '\\' << t.cs();
857 // remove the whitespace
861 // remove the whitespace
864 // Force textclass if the user wanted it
865 if (!forceclass.empty())
866 h_textclass = forceclass;
867 if (noweb_mode && !prefixIs(h_textclass, "literate-"))
868 h_textclass.insert(0, "literate-");
869 FileName layoutfilename = libFileSearch("layouts", h_textclass, "layout");
870 if (layoutfilename.empty()) {
871 cerr << "Error: Could not find layout file for textclass \"" << h_textclass << "\"." << endl;
874 tc.read(layoutfilename);
875 if (h_papersides.empty()) {
878 h_papersides = ss.str();
880 end_preamble(os, tc);