2 * \file LaTeXFeatures.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
7 * \author Lars Gullik Bjønnes
8 * \author Jean-Marc Lasgouttes
10 * \author André Pönitz
12 * Full author contact details are available in file CREDITS.
17 #include "LaTeXFeatures.h"
20 #include "BufferParams.h"
22 #include "Converter.h"
25 #include "FloatList.h"
27 #include "LaTeXFonts.h"
28 #include "LaTeXPackages.h"
32 #include "TextClass.h"
34 #include "texstream.h"
36 #include "insets/InsetLayout.h"
38 #include "support/debug.h"
39 #include "support/docstream.h"
40 #include "support/FileName.h"
41 #include "support/filetools.h"
42 #include "support/gettext.h"
43 #include "support/lstrings.h"
44 #include "support/regex.h"
50 using namespace lyx::support;
55 /////////////////////////////////////////////////////////////////////
59 /////////////////////////////////////////////////////////////////////
61 //\NeedsTeXFormat{LaTeX2e}
62 //\ProvidesPackage{lyx}[1996/01/11 LLE v0.2 (LyX LaTeX Extensions)]
63 //\message{LyX LaTeX Extensions (LLE v0.2) of 11-Jan-1996.}
65 static docstring const lyx_def = from_ascii(
66 "{%\n L\\kern-.1667em\\lower.25em\\hbox{Y}\\kern-.125emX\\@}");
68 static docstring const noun_def = from_ascii(
69 "\\newcommand{\\noun}[1]{\\textsc{#1}}");
71 static docstring const lyxarrow_def = from_ascii(
72 "\\DeclareRobustCommand*{\\lyxarrow}{%\n"
74 "{\\leavevmode\\,$\\triangleleft$\\,\\allowbreak}\n"
75 "{\\leavevmode\\,$\\triangleright$\\,\\allowbreak}}");
77 // ZERO WIDTH SPACE (ZWSP) is actually not a space character
78 // but marks a line break opportunity. Several commands provide a
79 // line break opportunity. They differ in side-effects:
80 // \allowbreak prevents hyphenation after hyphen or dash + ZWSP
81 // \linebreak[<n>] takes an optional argument denoting "urgency".
82 // The \LyXZeroWidthSpace wrapper allows customization in the preamble.
83 static docstring const lyxZWSP_def = from_ascii(
84 "\\newcommand*\\LyXZeroWidthSpace{\\hspace{0pt}}");
86 // for quotes without babel. This does not give perfect results, but
87 // anybody serious about non-english quotes should use babel (JMarc).
89 static docstring const quotedblbase_def = from_ascii(
90 "\\ProvideTextCommandDefault{\\quotedblbase}{%\n"
91 " \\raisebox{-1.4ex}[1ex][.5ex]{\\textquotedblright}%\n"
92 " \\penalty10000\\hskip0em\\relax%\n"
95 static docstring const quotesinglbase_def = from_ascii(
96 "\\ProvideTextCommandDefault{\\quotesinglbase}{%\n"
97 " \\raisebox{-1.4ex}[1ex][.5ex]{\\textquoteright}%\n"
98 " \\penalty10000\\hskip0em\\relax%\n"
101 static docstring const guillemotleft_def = from_ascii(
102 "\\ProvideTextCommandDefault{\\guillemotleft}{%\n"
103 " {\\usefont{U}{lasy}{m}{n}\\char'50\\kern-.15em\\char'50}%\n"
104 "\\penalty10000\\hskip0pt\\relax%\n"
107 static docstring const guillemotright_def = from_ascii(
108 "\\ProvideTextCommandDefault{\\guillemotright}{%\n"
109 " \\penalty10000\\hskip0pt%\n"
110 " {\\usefont{U}{lasy}{m}{n}\\char'51\\kern-.15em\\char'51}%\n"
113 static docstring const guilsinglleft_def = from_ascii(
114 "\\ProvideTextCommandDefault{\\guilsinglleft}{%\n"
115 " {\\usefont{U}{lasy}{m}{n}\\char'50}%\n"
116 " \\penalty10000\\hskip0pt\\relax%\n"
119 static docstring const guilsinglright_def = from_ascii(
120 "\\ProvideTextCommandDefault{\\guilsinglright}{%\n"
121 " \\penalty10000\\hskip0pt%\n"
122 " {\\usefont{U}{lasy}{m}{n}\\char'51}%\n"
125 static docstring const textquotedbl_def = from_ascii(
126 "\\DeclareTextSymbolDefault{\\textquotedbl}{T1}");
128 static docstring const textquotedblp_xetex_def = from_ascii(
129 "\\providecommand\\textquotedblplain{%\n"
130 " \\bgroup\\addfontfeatures{Mapping=}\\char34\\egroup}");
132 static docstring const textquotedblp_luatex_def = from_ascii(
133 "\\providecommand\\textquotedblplain{%\n"
134 " \\bgroup\\addfontfeatures{RawFeature=-tlig}\\char34\\egroup}");
136 static docstring const textquotesinglep_xetex_def = from_ascii(
137 "\\providecommand\\textquotesingleplain{%\n"
138 " \\bgroup\\addfontfeatures{Mapping=}\\char39\\egroup}");
140 static docstring const textquotesinglep_luatex_def = from_ascii(
141 "\\providecommand\\textquotesingleplain{%\n"
142 " \\bgroup\\addfontfeatures{RawFeature=-tlig}\\char39\\egroup}");
144 static docstring const paragraphleftindent_def = from_ascii(
145 "\\newenvironment{LyXParagraphLeftIndent}[1]%\n"
147 " \\begin{list}{}{%\n"
148 " \\setlength{\\topsep}{0pt}%\n"
149 " \\addtolength{\\leftmargin}{#1}\n"
150 // ho hum, yet more things commented out with no hint as to why they
151 // weren't just removed
152 // "%% \\addtolength{\\leftmargin}{#1\\textwidth}\n"
153 // "%% \\setlength{\\textwidth}{#2\\textwidth}\n"
154 // "%% \\setlength\\listparindent\\parindent%\n"
155 // "%% \\setlength\\itemindent\\parindent%\n"
156 " \\setlength{\\parsep}{0pt plus 1pt}%\n"
162 static docstring const floatingfootnote_def = from_ascii(
163 "%% Special footnote code from the package 'stblftnt.sty'\n"
164 "%% Author: Robin Fairbairns -- Last revised Dec 13 1996\n"
165 "\\let\\SF@@footnote\\footnote\n"
166 "\\def\\footnote{\\ifx\\protect\\@typeset@protect\n"
167 " \\expandafter\\SF@@footnote\n"
169 " \\expandafter\\SF@gobble@opt\n"
172 "\\expandafter\\def\\csname SF@gobble@opt \\endcsname{\\@ifnextchar[%]\n"
173 " \\SF@gobble@twobracket\n"
176 "\\edef\\SF@gobble@opt{\\noexpand\\protect\n"
177 " \\expandafter\\noexpand\\csname SF@gobble@opt \\endcsname}\n"
178 "\\def\\SF@gobble@twobracket[#1]#2{}\n");
180 static docstring const binom_def = from_ascii(
181 "%% Binom macro for standard LaTeX users\n"
182 "\\newcommand{\\binom}[2]{{#1 \\choose #2}}\n");
184 static docstring const mathcircumflex_def = from_ascii(
185 "%% For printing a cirumflex inside a formula\n"
186 "\\newcommand{\\mathcircumflex}[0]{\\mbox{\\^{}}}\n");
188 static docstring const tabularnewline_def = from_ascii(
189 "%% Because html converters don't know tabularnewline\n"
190 "\\providecommand{\\tabularnewline}{\\\\}\n");
192 static docstring const lyxgreyedout_def = from_ascii(
193 "%% The greyedout annotation environment\n"
194 "\\newenvironment{lyxgreyedout}\n"
195 " {\\textcolor{note_fontcolor}\\bgroup\\ignorespaces}\n"
196 " {\\ignorespacesafterend\\egroup}\n");
198 // We want to omit the file extension for includegraphics, but this does not
199 // work when the filename contains other dots.
200 // Idea from http://www.tex.ac.uk/cgi-bin/texfaq2html?label=unkgrfextn
201 static docstring const lyxdot_def = from_ascii(
202 "%% A simple dot to overcome graphicx limitations\n"
203 "\\newcommand{\\lyxdot}{.}\n");
205 static docstring const changetracking_dvipost_def = from_ascii(
206 "%% Change tracking with dvipost\n"
208 "\\dvipost{osstart color push Red}\n"
209 "\\dvipost{osend color pop}\n"
210 "\\dvipost{cbstart color push Blue}\n"
211 "\\dvipost{cbend color pop}\n"
212 "\\DeclareRobustCommand{\\lyxadded}[3]{\\changestart#3\\changeend}\n"
213 "\\DeclareRobustCommand{\\lyxdeleted}[3]{%\n"
214 "\\changestart\\overstrikeon#3\\overstrikeoff\\changeend}\n");
216 static docstring const changetracking_xcolor_ulem_def = from_ascii(
217 "%% Change tracking with ulem\n"
218 "\\DeclareRobustCommand{\\lyxadded}[3]{{\\color{lyxadded}{}#3}}\n"
219 "\\DeclareRobustCommand{\\lyxdeleted}[3]{{\\color{lyxdeleted}\\lyxsout{#3}}}\n"
220 "\\DeclareRobustCommand{\\lyxsout}[1]{\\ifx\\\\#1\\else\\sout{#1}\\fi}\n");
222 static docstring const changetracking_xcolor_ulem_hyperref_def = from_ascii(
223 "%% Change tracking with ulem\n"
224 "\\DeclareRobustCommand{\\lyxadded}[3]{{\\texorpdfstring{\\color{lyxadded}{}}{}#3}}\n"
225 "\\DeclareRobustCommand{\\lyxdeleted}[3]{{\\texorpdfstring{\\color{lyxdeleted}\\lyxsout{#3}}{}}}\n"
226 "\\DeclareRobustCommand{\\lyxsout}[1]{\\ifx\\\\#1\\else\\sout{#1}\\fi}\n");
228 static docstring const changetracking_tikz_math_sout_def = from_ascii(
229 "%% Strike out display math with tikz\n"
230 "\\usepackage{tikz}\n"
231 "\\usetikzlibrary{calc}\n"
232 "\\newcommand{\\lyxmathsout}[1]{%\n"
233 " \\tikz[baseline=(math.base)]{\n"
234 " \\node[inner sep=0pt,outer sep=0pt](math){#1};\n"
235 " \\draw($(math.south west)+(2em,.5em)$)--($(math.north east)-(2em,.5em)$);\n"
239 static docstring const changetracking_none_def = from_ascii(
240 "\\newcommand{\\lyxadded}[3]{#3}\n"
241 "\\newcommand{\\lyxdeleted}[3]{}\n");
243 static docstring const textgreek_LGR_def = from_ascii(
244 "\\DeclareFontEncoding{LGR}{}{}\n");
245 static docstring const textgreek_def = from_ascii(
246 "\\DeclareRobustCommand{\\greektext}{%\n"
247 " \\fontencoding{LGR}\\selectfont\\def\\encodingdefault{LGR}}\n"
248 "\\DeclareRobustCommand{\\textgreek}[1]{\\leavevmode{\\greektext #1}}\n");
250 static docstring const textcyr_T2A_def = from_ascii(
251 "\\InputIfFileExists{t2aenc.def}{}{%\n"
252 " \\errmessage{File `t2aenc.def' not found: Cyrillic script not supported}}\n");
253 static docstring const textcyr_def = from_ascii(
254 "\\DeclareRobustCommand{\\cyrtext}{%\n"
255 " \\fontencoding{T2A}\\selectfont\\def\\encodingdefault{T2A}}\n"
256 "\\DeclareRobustCommand{\\textcyrillic}[1]{\\leavevmode{\\cyrtext #1}}\n");
258 static docstring const lyxmathsym_def = from_ascii(
259 "\\newcommand{\\lyxmathsym}[1]{\\ifmmode\\begingroup\\def\\b@ld{bold}\n"
260 " \\text{\\ifx\\math@version\\b@ld\\bfseries\\fi#1}\\endgroup\\else#1\\fi}\n");
262 static docstring const papersizedvi_def = from_ascii(
263 "\\special{papersize=\\the\\paperwidth,\\the\\paperheight}\n");
265 static docstring const papersizepdf_def = from_ascii(
266 "\\pdfpageheight\\paperheight\n"
267 "\\pdfpagewidth\\paperwidth\n");
269 static docstring const papersizepdflua_def = from_ascii(
270 "% Backwards compatibility for LuaTeX < 0.90\n"
271 "\\@ifundefined{pageheight}{\\let\\pageheight\\pdfpageheight}{}\n"
272 "\\@ifundefined{pagewidth}{\\let\\pagewidth\\pdfpagewidth}{}\n"
273 "\\pageheight\\paperheight\n"
274 "\\pagewidth\\paperwidth\n");
276 static docstring const cedilla_def = from_ascii(
277 "\\newcommand{\\docedilla}[2]{\\underaccent{#1\\mathchar'30}{#2}}\n"
278 "\\newcommand{\\cedilla}[1]{\\mathpalette\\docedilla{#1}}\n");
280 static docstring const subring_def = from_ascii(
281 "\\newcommand{\\dosubring}[2]{\\underaccent{#1\\mathchar'27}{#2}}\n"
282 "\\newcommand{\\subring}[1]{\\mathpalette\\dosubring{#1}}\n");
284 static docstring const subdot_def = from_ascii(
285 "\\newcommand{\\dosubdot}[2]{\\underaccent{#1.}{#2}}\n"
286 "\\newcommand{\\subdot}[1]{\\mathpalette\\dosubdot{#1}}\n");
288 static docstring const subhat_def = from_ascii(
289 "\\newcommand{\\dosubhat}[2]{\\underaccent{#1\\mathchar'136}{#2}}\n"
290 "\\newcommand{\\subhat}[1]{\\mathpalette\\dosubhat{#1}}\n");
292 static docstring const subtilde_def = from_ascii(
293 "\\newcommand{\\dosubtilde}[2]{\\underaccent{#1\\mathchar'176}{#2}}\n"
294 "\\newcommand{\\subtilde}[1]{\\mathpalette\\dosubtilde{#1}}\n");
296 static docstring const dacute_def = from_ascii(
297 "\\DeclareMathAccent{\\dacute}{\\mathalpha}{operators}{'175}\n");
299 static docstring const tipasymb_def = from_ascii(
300 "\\DeclareFontEncoding{T3}{}{}\n"
301 "\\DeclareSymbolFont{tipasymb}{T3}{cmr}{m}{n}\n");
303 static docstring const dgrave_def = from_ascii(
304 "\\DeclareMathAccent{\\dgrave}{\\mathord}{tipasymb}{'15}\n");
306 static docstring const rcap_def = from_ascii(
307 "\\DeclareMathAccent{\\rcap}{\\mathord}{tipasymb}{'20}\n");
309 static docstring const ogonek_def = from_ascii(
310 "\\newcommand{\\doogonek}[2]{\\setbox0=\\hbox{$#1#2$}\\underaccent{#1\\mkern-6mu\n"
311 " \\ifx#2O\\hskip0.5\\wd0\\else\\ifx#2U\\hskip0.5\\wd0\\else\\hskip\\wd0\\fi\\fi\n"
312 " \\ifx#2o\\mkern-2mu\\else\\ifx#2e\\mkern-1mu\\fi\\fi\n"
313 " \\mathchar\"0\\hexnumber@\\symtipasymb0C}{#2}}\n"
314 "\\newcommand{\\ogonek}[1]{\\mathpalette\\doogonek{#1}}\n");
316 static docstring const lyxaccent_def = from_ascii(
317 "%% custom text accent \\LyxTextAccent[<rise value (length)>]{<accent>}{<base>}\n"
318 "\\newcommand*{\\LyxTextAccent}[3][0ex]{%\n"
319 " \\hmode@bgroup\\ooalign{\\null#3\\crcr\\hidewidth\n"
320 " \\raise#1\\hbox{#2}\\hidewidth}\\egroup}\n"
321 "%% select a font size smaller than the current font size:\n"
322 "\\newcommand{\\LyxAccentSize}[1][\\sf@size]{%\n"
323 " \\check@mathfonts\\fontsize#1\\z@\\math@fontsfalse\\selectfont\n"
326 static docstring const textcommabelow_def = from_ascii(
327 "\\ProvideTextCommandDefault{\\textcommabelow}[1]{%%\n"
328 " \\LyxTextAccent[-.31ex]{\\LyxAccentSize,}{#1}}\n");
330 static docstring const textcommaabove_def = from_ascii(
331 "\\ProvideTextCommandDefault{\\textcommaabove}[1]{%%\n"
332 " \\LyxTextAccent[.5ex]{\\LyxAccentSize`}{#1}}\n");
334 static docstring const textcommaaboveright_def = from_ascii(
335 "\\ProvideTextCommandDefault{\\textcommaaboveright}[1]{%%\n"
336 " \\LyxTextAccent[.5ex]{\\LyxAccentSize\\ '}{#1}}\n");
338 // Baltic languages use a comma-accent instead of a cedilla
339 static docstring const textbaltic_def = from_ascii(
340 "%% use comma accent instead of cedilla for these characters:\n"
341 "\\DeclareTextCompositeCommand{\\c}{T1}{g}{\\textcommaabove{g}}\n"
342 "\\DeclareTextCompositeCommand{\\c}{T1}{G}{\\textcommabelow{G}}\n"
343 "\\DeclareTextCompositeCommand{\\c}{T1}{k}{\\textcommabelow{k}}\n"
344 "\\DeclareTextCompositeCommand{\\c}{T1}{K}{\\textcommabelow{K}}\n"
345 "\\DeclareTextCompositeCommand{\\c}{T1}{l}{\\textcommabelow{l}}\n"
346 "\\DeclareTextCompositeCommand{\\c}{T1}{L}{\\textcommabelow{L}}\n"
347 "\\DeclareTextCompositeCommand{\\c}{T1}{n}{\\textcommabelow{n}}\n"
348 "\\DeclareTextCompositeCommand{\\c}{T1}{N}{\\textcommabelow{N}}\n"
349 "\\DeclareTextCompositeCommand{\\c}{T1}{r}{\\textcommabelow{r}}\n"
350 "\\DeclareTextCompositeCommand{\\c}{T1}{R}{\\textcommabelow{R}}\n");
352 // Use cyrillic fonts to provide letter schwa in text (see #11062)
353 static docstring const textschwa_def = from_ascii(
354 "%% letter schwa missing in Latin fonts, use Cyrillic schwa\n"
355 "\\DeclareTextSymbolDefault{\\CYRSCHWA}{T2A}\n"
356 "\\DeclareTextSymbolDefault{\\cyrschwa}{T2A}\n"
357 "\\ProvideTextCommandDefault{\\textSchwa}{\\CYRSCHWA}\n"
358 "\\ProvideTextCommandDefault{\\textschwa}{\\cyrschwa}\n");
360 // split-level fractions
361 static docstring const xfrac_def = from_ascii(
362 "\\usepackage{xfrac}\n");
363 static docstring const smallLetterFrac_def = from_ascii(
364 "\\DeclareCollectionInstance{smallLetterFrac}{xfrac}{default}{text}\n"
365 " {phantom=c, scale-factor=1.0, slash-left-kern=-.05em}\n"
366 "\\DeclareCollectionInstance{smallLetterFrac}{xfrac}{lmr}{text}\n"
367 " {slash-symbol-font=ptm, phantom=c, scale-factor=1, slash-left-kern=-.05em}\n"
368 "\\DeclareCollectionInstance{smallLetterFrac}{xfrac}{lmss}{text}\n"
369 " {slash-symbol-font=ptm, phantom=c, scale-factor=1, slash-left-kern=-.05em}\n"
370 "\\DeclareCollectionInstance{smallLetterFrac}{xfrac}{cmr}{text}\n"
371 " {slash-symbol-font=ptm, phantom=c, scale-factor=1, slash-left-kern=-.05em}\n"
372 "\\DeclareCollectionInstance{smallLetterFrac}{xfrac}{cmss}{text}\n"
373 " {slash-symbol-font=ptm, phantom=c, scale-factor=1, slash-left-kern=-.05em}\n"
374 "\\newcommand{\\smallLetterFrac}[2]{%\n"
375 " {\\UseCollection{xfrac}{smallLetterFrac}\\sfrac{#1}{#2}}}\n");
377 static docstring const lyxref_def = from_ascii(
378 "\\RS@ifundefined{subsecref}\n"
379 " {\\newref{subsec}{name = \\RSsectxt}}\n"
381 "\\RS@ifundefined{thmref}\n"
382 " {\\def\\RSthmtxt{theorem~}\\newref{thm}{name = \\RSthmtxt}}\n"
384 "\\RS@ifundefined{lemref}\n"
385 " {\\def\\RSlemtxt{lemma~}\\newref{lem}{name = \\RSlemtxt}}\n"
388 // Make sure the columns are also outputed as rtl
389 static docstring const rtloutputdblcol_def = from_ascii(
390 "\\def\\@outputdblcol{%\n"
391 " \\if@firstcolumn\n"
392 " \\global \\@firstcolumnfalse\n"
393 " \\global \\setbox\\@leftcolumn \\box\\@outputbox\n"
395 " \\global \\@firstcolumntrue\n"
396 " \\setbox\\@outputbox \\vbox {%\n"
397 " \\hb@xt@\\textwidth {%\n"
398 " \\kern\\textwidth \\kern-\\columnwidth %**\n"
399 " \\hb@xt@\\columnwidth {%\n"
400 " \\box\\@leftcolumn \\hss}%\n"
401 " \\kern-\\textwidth %**\n"
403 " {\\normalcolor\\vrule \\@width\\columnseprule}%\n"
405 " \\kern-\\textwidth %**\n"
406 " \\hb@xt@\\columnwidth {%\n"
407 " \\box\\@outputbox \\hss}%\n"
408 " \\kern-\\columnwidth \\kern\\textwidth %**\n"
411 " \\@combinedblfloats\n"
414 " \\@dblfloatplacement\n"
415 " \\@startdblcolumn\n"
416 " \\@whilesw\\if@fcolmade \\fi\n"
418 " \\@startdblcolumn}%\n"
422 "\\@mparswitchtrue\n");
424 static docstring const lyxmintcaption_def = from_ascii(
425 "\\long\\def\\lyxmintcaption[#1]#2{%\n"
426 " \\ifx#1t\\vskip\\baselineskip\\fi%\n"
427 " \\refstepcounter{listing}\\noindent%\n"
428 " \\addcontentsline{lol}{listing}%\n"
429 " {\\protect\\numberline{\\thelisting}{\\ignorespaces #2}}%\n"
430 " \\setbox\\@tempboxa\\hbox{\\listingscaption~\\thelisting: #2}%\n"
431 " \\ifdim \\wd\\@tempboxa >\\linewidth%\n"
432 " \\parbox[t]{\\linewidth}{\\unhbox\\@tempboxa}\\else%\n"
433 " \\hbox to\\linewidth{\\hfil\\box\\@tempboxa\\hfil}\\fi%\n"
434 " \\ifx#1b\\vskip\\baselineskip\\fi\n"
438 /////////////////////////////////////////////////////////////////////
442 /////////////////////////////////////////////////////////////////////
444 static docstring const lyxnoun_style = from_ascii(
446 " font-variant: small-caps;\n"
450 // this is how it normally renders, but it might not always do so.
451 static docstring const lyxstrikeout_style = from_ascii(
453 " text-decoration: line-through;\n"
457 /////////////////////////////////////////////////////////////////////
461 /////////////////////////////////////////////////////////////////////
464 LaTeXFeatures::LaTeXFeatures(Buffer const & b, BufferParams const & p,
465 OutputParams const & r)
466 : buffer_(&b), params_(p), runparams_(r), in_float_(false),
467 in_deleted_inset_(false)
471 LaTeXFeatures::LangPackage LaTeXFeatures::langPackage() const
473 string const local_lp = bufferParams().lang_package;
475 // Locally, custom is just stored as a string
476 // in bufferParams().lang_package.
477 if (local_lp != "auto"
478 && local_lp != "babel"
479 && local_lp != "default"
480 && local_lp != "none")
481 return LANG_PACK_CUSTOM;
483 if (local_lp == "none")
484 return LANG_PACK_NONE;
486 /* If "auto" is selected, we load polyglossia with non-TeX fonts,
487 * else we select babel.
488 * If babel is selected (either directly or via the "auto"
489 * mechanism), we really do only require it if we have
490 * a language that needs it.
492 bool const polyglossia_required =
493 params_.useNonTeXFonts
494 && isAvailable("polyglossia")
495 && !isProvided("babel")
496 && this->hasOnlyPolyglossiaLanguages();
497 bool const babel_required =
498 !bufferParams().language->babel().empty()
499 || !this->getBabelLanguages().empty();
501 if (local_lp == "auto") {
502 // polyglossia requirement has priority over babel
503 if (polyglossia_required)
504 return LANG_PACK_POLYGLOSSIA;
505 else if (babel_required)
506 return LANG_PACK_BABEL;
509 if (local_lp == "babel") {
511 return LANG_PACK_BABEL;
514 if (local_lp == "default") {
515 switch (lyxrc.language_package_selection) {
517 // polyglossia requirement has priority over babel
518 if (polyglossia_required)
519 return LANG_PACK_POLYGLOSSIA;
520 else if (babel_required)
521 return LANG_PACK_BABEL;
523 case LyXRC::LP_BABEL:
525 return LANG_PACK_BABEL;
527 case LyXRC::LP_CUSTOM:
528 return LANG_PACK_CUSTOM;
530 return LANG_PACK_NONE;
534 return LANG_PACK_NONE;
538 void LaTeXFeatures::require(string const & name)
540 features_.insert(name);
544 void LaTeXFeatures::require(set<string> const & names)
546 features_.insert(names.begin(), names.end());
550 void LaTeXFeatures::provide(string const & name)
552 provides_.insert(name);
556 void LaTeXFeatures::useLayout(docstring const & layoutname)
558 useLayout(layoutname, 0);
562 void LaTeXFeatures::useLayout(docstring const & layoutname, int level)
564 // Some code to avoid loops in dependency definition
565 const int maxlevel = 30;
566 if (level > maxlevel) {
567 lyxerr << "LaTeXFeatures::useLayout: maximum level of "
568 << "recursion attained by layout "
569 << to_utf8(layoutname) << endl;
573 DocumentClass const & tclass = params_.documentClass();
574 if (tclass.hasLayout(layoutname)) {
575 // Is this layout already in usedLayouts?
576 if (find(usedLayouts_.begin(), usedLayouts_.end(), layoutname)
577 != usedLayouts_.end())
580 Layout const & layout = tclass[layoutname];
581 require(layout.requires());
583 if (!layout.depends_on().empty()) {
584 useLayout(layout.depends_on(), level + 1);
586 usedLayouts_.push_back(layoutname);
588 lyxerr << "LaTeXFeatures::useLayout: layout `"
589 << to_utf8(layoutname) << "' does not exist in this class"
595 void LaTeXFeatures::useInsetLayout(InsetLayout const & lay)
597 docstring const & lname = lay.name();
598 DocumentClass const & tclass = params_.documentClass();
600 // this is a default inset layout, nothing useful here
601 if (!tclass.hasInsetLayout(lname))
603 // Is this layout already in usedInsetLayouts?
604 if (find(usedInsetLayouts_.begin(), usedInsetLayouts_.end(), lname)
605 != usedInsetLayouts_.end())
608 require(lay.requires());
609 usedInsetLayouts_.push_back(lname);
613 bool LaTeXFeatures::isRequired(string const & name) const
615 return features_.find(name) != features_.end();
619 bool LaTeXFeatures::isProvided(string const & name) const
621 // Currently, this is only features provided by babel languages
622 // (such as textgreek)
623 if (provides_.find(name) != provides_.end())
626 if (params_.useNonTeXFonts)
627 return params_.documentClass().provides(name);
629 bool const ot1 = (params_.main_font_encoding() == "default"
630 || params_.main_font_encoding() == "OT1");
631 bool const complete = (params_.fontsSans() == "default"
632 && params_.fontsTypewriter() == "default");
633 bool const nomath = (params_.fontsMath() == "default");
634 return params_.documentClass().provides(name)
635 || theLaTeXFonts().getLaTeXFont(
636 from_ascii(params_.fontsRoman())).provides(name, ot1,
639 || theLaTeXFonts().getLaTeXFont(
640 from_ascii(params_.fontsSans())).provides(name, ot1,
643 || theLaTeXFonts().getLaTeXFont(
644 from_ascii(params_.fontsTypewriter())).provides(name, ot1,
647 || theLaTeXFonts().getLaTeXFont(
648 from_ascii(params_.fontsMath())).provides(name, ot1,
654 bool LaTeXFeatures::mustProvide(string const & name) const
656 return isRequired(name) && !isProvided(name);
660 bool LaTeXFeatures::isAvailable(string const & name)
662 string::size_type const i = name.find("->");
663 if (i != string::npos) {
664 string const from = name.substr(0,i);
665 string const to = name.substr(i+2);
666 //LYXERR0("from=[" << from << "] to=[" << to << "]");
667 return theConverters().isReachable(from, to);
669 return LaTeXPackages::isAvailable(name);
675 void addSnippet(std::list<TexString> & list, TexString ts, bool allow_dupes)
678 // test the absense of duplicates, i.e. elements with same str
679 none_of(list.begin(), list.end(), [&](TexString const & ts2){
680 return ts.str == ts2.str;
683 list.push_back(move(ts));
687 TexString getSnippets(std::list<TexString> const & list)
689 otexstringstream snip;
690 for (TexString const & ts : list)
691 snip << TexString(ts) << '\n';
692 return snip.release();
698 void LaTeXFeatures::addPreambleSnippet(TexString ts, bool allow_dupes)
700 addSnippet(preamble_snippets_, move(ts), allow_dupes);
704 void LaTeXFeatures::addPreambleSnippet(docstring const & str, bool allow_dupes)
706 addSnippet(preamble_snippets_, TexString(str), allow_dupes);
710 void LaTeXFeatures::addCSSSnippet(std::string const & snippet)
712 addSnippet(css_snippets_, TexString(from_ascii(snippet)), false);
716 TexString LaTeXFeatures::getPreambleSnippets() const
718 return getSnippets(preamble_snippets_);
722 docstring LaTeXFeatures::getCSSSnippets() const
724 return getSnippets(css_snippets_).str;
729 void LaTeXFeatures::useFloat(string const & name, bool subfloat)
731 if (!usedFloats_[name])
732 usedFloats_[name] = subfloat;
735 // We only need float.sty if we use non builtin floats, or if we
736 // use the "H" modifier. This includes modified table and
737 // figure floats. (Lgb)
738 Floating const & fl = params_.documentClass().floats().getType(name);
739 if (!fl.floattype().empty() && fl.usesFloatPkg()) {
745 void LaTeXFeatures::useLanguage(Language const * lang)
747 if (!lang->babel().empty() || !lang->polyglossia().empty())
748 UsedLanguages_.insert(lang);
749 if (!lang->requires().empty())
750 require(lang->requires());
751 // currently only supported for Babel
752 if (!lang->provides().empty() && useBabel())
753 provide(lang->provides());
754 // CJK languages do not have a babel name.
755 // They use the CJK package
756 if (lang->encoding()->package() == Encoding::CJK)
758 // japanese babel language is special (tied to the pLaTeX engine).
759 if (lang->encoding()->package() == Encoding::japanese)
764 void LaTeXFeatures::includeFile(docstring const & key, string const & name)
766 IncludedFiles_[key] = name;
770 bool LaTeXFeatures::hasLanguages() const
772 return !UsedLanguages_.empty();
776 bool LaTeXFeatures::hasOnlyPolyglossiaLanguages() const
778 // first the main language
779 if (params_.language->polyglossia().empty())
781 // now the secondary languages
782 LanguageList::const_iterator const begin = UsedLanguages_.begin();
783 for (LanguageList::const_iterator cit = begin;
784 cit != UsedLanguages_.end();
786 if ((*cit)->polyglossia().empty())
793 bool LaTeXFeatures::hasPolyglossiaExclusiveLanguages() const
795 // first the main language
796 if (params_.language->isPolyglossiaExclusive())
798 // now the secondary languages
799 LanguageList::const_iterator const begin = UsedLanguages_.begin();
800 for (LanguageList::const_iterator cit = begin;
801 cit != UsedLanguages_.end();
803 if ((*cit)->isPolyglossiaExclusive())
810 vector<string> LaTeXFeatures::getPolyglossiaExclusiveLanguages() const
812 vector<string> result;
813 // first the main language
814 if (params_.language->isPolyglossiaExclusive())
815 result.push_back(params_.language->display());
816 // now the secondary languages
817 LanguageList::const_iterator const begin = UsedLanguages_.begin();
818 for (LanguageList::const_iterator cit = begin;
819 cit != UsedLanguages_.end();
821 if ((*cit)->isPolyglossiaExclusive())
822 result.push_back((*cit)->display());
828 vector<string> LaTeXFeatures::getBabelExclusiveLanguages() const
830 vector<string> result;
831 // first the main language
832 if (params_.language->isBabelExclusive())
833 result.push_back(params_.language->display());
834 // now the secondary languages
835 LanguageList::const_iterator const begin = UsedLanguages_.begin();
836 for (LanguageList::const_iterator cit = begin;
837 cit != UsedLanguages_.end();
839 if ((*cit)->isBabelExclusive())
840 result.push_back((*cit)->display());
846 string LaTeXFeatures::getBabelLanguages() const
851 LanguageList::const_iterator const begin = UsedLanguages_.begin();
852 for (LanguageList::const_iterator cit = begin;
853 cit != UsedLanguages_.end();
855 if ((*cit)->babel().empty())
861 langs << (*cit)->babel();
867 set<string> LaTeXFeatures::getPolyglossiaLanguages() const
871 LanguageList::const_iterator const begin = UsedLanguages_.begin();
872 for (LanguageList::const_iterator cit = begin;
873 cit != UsedLanguages_.end();
875 // We do not need the variants here
876 langs.insert((*cit)->polyglossia());
882 set<string> LaTeXFeatures::getEncodingSet(string const & doc_encoding) const
884 // This does only find encodings of languages supported by babel, but
885 // that does not matter since we don't have a language with an
886 // encoding supported by inputenc but without babel support.
888 for (auto const & lang : UsedLanguages_)
889 if (lang->encoding()->latexName() != doc_encoding &&
890 lang->encoding()->package() == Encoding::inputenc)
891 encs.insert(lang->encoding()->latexName());
896 void LaTeXFeatures::getFontEncodings(vector<string> & encs, bool const onlylangs) const
899 // these must be loaded if glyphs of this script are used
900 // unless a language providing them is used in the document
901 if (mustProvide("textgreek")
902 && find(encs.begin(), encs.end(), "LGR") == encs.end())
903 encs.insert(encs.begin(), "LGR");
904 if ((mustProvide("textcyrillic") || mustProvide("textschwa"))
905 && find(encs.begin(), encs.end(), "T2A") == encs.end())
906 encs.insert(encs.begin(), "T2A");
909 for (auto const & lang : UsedLanguages_) {
910 vector<string> extraencs =
911 getVectorFromString(lang->fontenc(buffer().masterParams()));
912 for (auto const & extra : extraencs) {
913 if (extra != "none" && find(encs.begin(), encs.end(), extra) == encs.end())
914 encs.insert(encs.begin(), extra);
920 bool LaTeXFeatures::hasRTLLanguage() const
922 if (params_.language->rightToLeft())
924 for (auto const & lang : UsedLanguages_)
925 if (lang->rightToLeft())
933 char const * simplefeatures[] = {
934 // note that the package order here will be the same in the LaTeX-output
942 // subfig is handled in BufferParams.cpp
946 /*For a successful cooperation of the `wrapfig' package with the
947 `float' package you should load the `wrapfig' package *after*
948 the `float' package. See the caption package documentation
977 // listings is handled in BufferParams.cpp
1004 char const * bibliofeatures[] = {
1005 // Known bibliography packages (will be loaded before natbib)
1021 int const nb_bibliofeatures = sizeof(bibliofeatures) / sizeof(char const *);
1023 int const nb_simplefeatures = sizeof(simplefeatures) / sizeof(char const *);
1028 string const LaTeXFeatures::getColorOptions() const
1030 ostringstream colors;
1032 // Handling the color packages separately is needed to be able to load them
1033 // before babel when hyperref is loaded with the colorlinks option
1034 // for more info see Bufferparams.cpp
1037 if (mustProvide("color") || mustProvide("xcolor")) {
1038 string const package =
1039 (mustProvide("xcolor") ? "xcolor" : "color");
1040 if (params_.graphics_driver == "default"
1041 || params_.graphics_driver == "none")
1042 colors << "\\usepackage{" << package << "}\n";
1044 colors << "\\usepackage["
1045 << params_.graphics_driver
1046 << "]{" << package << "}\n";
1049 // pdfcolmk must be loaded after color
1050 if (mustProvide("pdfcolmk"))
1051 colors << "\\usepackage{pdfcolmk}\n";
1053 // the following 3 color commands must be set after color
1054 // is loaded and before pdfpages, therefore add the command
1055 // here define the set color
1056 if (mustProvide("pagecolor")) {
1057 colors << "\\definecolor{page_backgroundcolor}{rgb}{";
1058 colors << outputLaTeXColor(params_.backgroundcolor) << "}\n";
1059 // set the page color
1060 colors << "\\pagecolor{page_backgroundcolor}\n";
1063 if (mustProvide("fontcolor")) {
1064 colors << "\\definecolor{document_fontcolor}{rgb}{";
1065 colors << outputLaTeXColor(params_.fontcolor) << "}\n";
1067 colors << "\\color{document_fontcolor}\n";
1070 if (mustProvide("lyxgreyedout")) {
1071 colors << "\\definecolor{note_fontcolor}{rgb}{";
1072 colors << outputLaTeXColor(params_.notefontcolor) << "}\n";
1073 // the color will be set together with the definition of
1074 // the lyxgreyedout environment (see lyxgreyedout_def)
1077 // color for shaded boxes
1078 if (isRequired("framed") && mustProvide("color")) {
1079 colors << "\\definecolor{shadecolor}{rgb}{";
1080 colors << outputLaTeXColor(params_.boxbgcolor) << "}\n";
1081 // this color is automatically used by the LaTeX-package "framed"
1084 return colors.str();
1088 string const LaTeXFeatures::getPackageOptions() const
1090 ostringstream packageopts;
1091 // Output all the package option stuff we have been asked to do.
1092 map<string, string>::const_iterator it =
1093 params_.documentClass().packageOptions().begin();
1094 map<string, string>::const_iterator en =
1095 params_.documentClass().packageOptions().end();
1096 for (; it != en; ++it)
1097 if (mustProvide(it->first))
1098 packageopts << "\\PassOptionsToPackage{" << it->second << "}"
1099 << "{" << it->first << "}\n";
1100 return packageopts.str();
1104 string const LaTeXFeatures::getPackages() const
1106 ostringstream packages;
1108 // FIXME: currently, we can only load packages and macros known
1110 // However, with the Require tag of layouts/custom insets,
1111 // also unknown packages can be requested. They are silently
1112 // swallowed now. We should change this eventually.
1114 // These are all the 'simple' includes. i.e
1115 // packages which we just \usepackage{package}
1116 for (int i = 0; i < nb_simplefeatures; ++i) {
1117 if (mustProvide(simplefeatures[i]))
1118 packages << "\\usepackage{" << simplefeatures[i] << "}\n";
1121 // The rest of these packages are somewhat more complicated
1122 // than those above.
1124 if (mustProvide("footnote")) {
1125 if (isRequired("hyperref"))
1126 packages << "\\usepackage{footnotehyper}\n";
1128 packages << "\\usepackage{footnote}\n";
1131 // [pdf]lscape is used to rotate longtables
1132 if (mustProvide("lscape")) {
1133 if (runparams_.flavor == OutputParams::LATEX
1134 || runparams_.flavor == OutputParams::DVILUATEX)
1135 packages << "\\usepackage{lscape}\n";
1137 packages << "\\usepackage{pdflscape}\n";
1140 // The tipa package and its extensions (tipx, tone) must not
1141 // be loaded with non-TeX fonts, since fontspec includes the
1142 // respective macros
1143 if (mustProvide("tipa") && !params_.useNonTeXFonts)
1144 packages << "\\usepackage{tipa}\n";
1145 if (mustProvide("tipx") && !params_.useNonTeXFonts)
1146 packages << "\\usepackage{tipx}\n";
1147 if (mustProvide("extraipa") && !params_.useNonTeXFonts)
1148 packages << "\\usepackage{extraipa}\n";
1149 if (mustProvide("tone") && !params_.useNonTeXFonts)
1150 packages << "\\usepackage{tone}\n";
1152 // if fontspec or newtxmath is used, AMS packages have to be loaded
1153 // before fontspec (in BufferParams)
1154 string const amsPackages = loadAMSPackages();
1155 bool const ot1 = (params_.main_font_encoding() == "default"
1156 || params_.main_font_encoding() == "OT1");
1157 bool const use_newtxmath =
1158 theLaTeXFonts().getLaTeXFont(from_ascii(params_.fontsMath())).getUsedPackage(
1159 ot1, false, false) == "newtxmath";
1161 if (!params_.useNonTeXFonts && !use_newtxmath && !amsPackages.empty())
1162 packages << amsPackages;
1164 if (mustProvide("cancel") &&
1165 params_.use_package("cancel") != BufferParams::package_off)
1166 packages << "\\usepackage{cancel}\n";
1168 // marvosym and bbding both define the \Cross macro
1169 if (mustProvide("marvosym")) {
1170 if (mustProvide("bbding"))
1171 packages << "\\let\\Cross\\relax\n";
1172 packages << "\\usepackage{marvosym}\n";
1175 // accents must be loaded after amsmath
1176 if (mustProvide("accents") &&
1177 params_.use_package("accents") != BufferParams::package_off)
1178 packages << "\\usepackage{accents}\n";
1180 // mathdots must be loaded after amsmath
1181 if (mustProvide("mathdots") &&
1182 params_.use_package("mathdots") != BufferParams::package_off)
1183 packages << "\\usepackage{mathdots}\n";
1185 // yhmath must be loaded after amsmath
1186 if (mustProvide("yhmath") &&
1187 params_.use_package("yhmath") != BufferParams::package_off)
1188 packages << "\\usepackage{yhmath}\n";
1190 // stmaryrd must be loaded after amsmath
1191 if (mustProvide("stmaryrd") &&
1192 params_.use_package("stmaryrd") != BufferParams::package_off)
1193 packages << "\\usepackage{stmaryrd}\n";
1195 if (mustProvide("stackrel") &&
1196 params_.use_package("stackrel") != BufferParams::package_off)
1197 packages << "\\usepackage{stackrel}\n";
1199 if (mustProvide("undertilde") &&
1200 params_.use_package("undertilde") != BufferParams::package_off)
1201 packages << "\\usepackage{undertilde}\n";
1203 // [x]color and pdfcolmk are handled in getColorOptions() above
1206 if (isRequired("makeidx") || isRequired("splitidx")) {
1207 if (!isProvided("makeidx") && !isRequired("splitidx"))
1208 packages << "\\usepackage{makeidx}\n";
1209 if (mustProvide("splitidx"))
1210 packages << "\\usepackage{splitidx}\n";
1211 packages << "\\makeindex\n";
1215 if (mustProvide("graphicx") && params_.graphics_driver != "none") {
1216 if (params_.graphics_driver == "default")
1217 packages << "\\usepackage{graphicx}\n";
1219 packages << "\\usepackage["
1220 << params_.graphics_driver
1224 // lyxskak.sty --- newer chess support based on skak.sty
1225 if (mustProvide("chess"))
1226 packages << "\\usepackage[ps,mover]{lyxskak}\n";
1229 if (mustProvide("setspace") && !isProvided("SetSpace"))
1230 packages << "\\usepackage{setspace}\n";
1232 // we need to assure that mhchem is loaded before esint and every other
1233 // package that redefines command of amsmath because mhchem loads amlatex
1234 // (this info is from the author of mhchem from June 2013)
1235 if (mustProvide("mhchem") &&
1236 params_.use_package("mhchem") != BufferParams::package_off)
1237 packages << "\\PassOptionsToPackage{version=3}{mhchem}\n"
1238 "\\usepackage{mhchem}\n";
1240 // wasysym is a simple feature, but it must be after amsmath if both
1242 // wasysym redefines some integrals (e.g. iint) from amsmath. That
1243 // leads to inconsistent integrals. We only load this package if
1244 // the document does not contain integrals (then isRequired("esint")
1245 // is false) or if esint is used, since esint redefines all relevant
1246 // integral symbols from wasysym and amsmath.
1247 // See http://www.lyx.org/trac/ticket/1942
1248 if (mustProvide("wasysym") &&
1249 params_.use_package("wasysym") != BufferParams::package_off &&
1250 (params_.use_package("esint") != BufferParams::package_off || !isRequired("esint")))
1251 packages << "\\usepackage{wasysym}\n";
1253 // esint must be after amsmath (and packages requiring amsmath, like mhchem)
1254 // and wasysym, since it will redeclare inconsistent integral symbols
1255 if (mustProvide("esint") &&
1256 params_.use_package("esint") != BufferParams::package_off)
1257 packages << "\\usepackage{esint}\n";
1259 // Known bibliography packages (simple \usepackage{package})
1260 for (int i = 0; i < nb_bibliofeatures; ++i) {
1261 if (mustProvide(bibliofeatures[i]))
1262 packages << "\\usepackage{"
1263 << bibliofeatures[i] << "}\n";
1266 // Compatibility between achicago and natbib
1267 if (mustProvide("achicago") && mustProvide("natbib"))
1268 packages << "\\let\\achicagobib\\thebibliography\n";
1271 // Some classes load natbib themselves, but still allow (or even require)
1272 // plain numeric citations (ReVTeX is such a case, see bug 5182).
1273 // This special case is indicated by the "natbib-internal" key.
1274 if (mustProvide("natbib")
1275 && !isProvided("natbib-internal")
1276 && !isProvided("biblatex")
1277 && !isProvided("biblatex-natbib")
1278 && !isProvided("jurabib")) {
1279 packages << "\\usepackage[";
1280 if (params_.citeEngineType() == ENGINE_TYPE_NUMERICAL)
1281 packages << "numbers";
1283 packages << "authoryear";
1284 if (!params_.biblio_opts.empty())
1285 packages << ',' << params_.biblio_opts;
1286 packages << "]{natbib}\n";
1289 // Compatibility between achicago and natbib
1290 if (mustProvide("achicago") && mustProvide("natbib")) {
1291 packages << "\\let\\thebibliography\\achicagobib\n";
1292 packages << "\\let\\SCcite\\astroncite\n";
1293 packages << "\\let\\UnexpandableProtect\\protect\n";
1296 // jurabib -- we need version 0.6 at least.
1297 if (mustProvide("jurabib")
1298 && !isProvided("natbib-internal")
1299 && !isProvided("natbib")
1300 && !isProvided("biblatex")
1301 && !isProvided("biblatex-natbib")) {
1302 packages << "\\usepackage";
1303 if (!params_.biblio_opts.empty())
1304 packages << '[' << params_.biblio_opts << ']';
1305 packages << "{jurabib}[2004/01/25]\n";
1308 // opcit -- we pass custombst as we output \bibliographystyle ourselves
1309 if (mustProvide("opcit")) {
1310 if (isRequired("hyperref"))
1311 packages << "\\usepackage[custombst,hyperref]{opcit}\n";
1313 packages << "\\usepackage[custombst]{opcit}\n";
1316 // xargs -- we need version 1.09 at least
1317 if (mustProvide("xargs"))
1318 packages << "\\usepackage{xargs}[2008/03/08]\n";
1320 if (mustProvide("xy"))
1321 packages << "\\usepackage[all]{xy}\n";
1323 if (mustProvide("feyn"))
1324 packages << "\\usepackage{feyn}\n"; //Diagram
1326 if (mustProvide("ulem"))
1327 packages << "\\PassOptionsToPackage{normalem}{ulem}\n"
1328 "\\usepackage{ulem}\n";
1330 if (mustProvide("nomencl")) {
1331 // Make it work with the new and old version of the package,
1332 // but don't use the compatibility option since it is
1333 // incompatible to other packages.
1334 packages << "\\usepackage{nomencl}\n"
1335 "% the following is useful when we have the old nomencl.sty package\n"
1336 "\\providecommand{\\printnomenclature}{\\printglossary}\n"
1337 "\\providecommand{\\makenomenclature}{\\makeglossary}\n"
1338 "\\makenomenclature\n";
1341 // fixltx2e provides subscript
1342 if (mustProvide("subscript") && !isRequired("fixltx2e"))
1343 packages << "\\usepackage{subscript}\n";
1345 // footmisc must be loaded after setspace
1346 // Set options here, load the package after the user preamble to
1347 // avoid problems with manual loaded footmisc.
1348 if (mustProvide("footmisc"))
1349 packages << "\\PassOptionsToPackage{stable}{footmisc}\n";
1351 if (mustProvide("microtype")){
1352 packages << "\\usepackage{microtype}\n";
1355 return packages.str();
1359 TexString LaTeXFeatures::getMacros() const
1361 otexstringstream macros;
1363 if (!preamble_snippets_.empty()) {
1365 macros << getPreambleSnippets();
1368 if (mustProvide("xetexdashbreakstate"))
1369 macros << "\\XeTeXdashbreakstate 0" << '\n';
1371 if (mustProvide("papersize")) {
1372 if (runparams_.flavor == OutputParams::LATEX
1373 || runparams_.flavor == OutputParams::DVILUATEX)
1374 macros << papersizedvi_def << '\n';
1375 else if (runparams_.flavor == OutputParams::LUATEX)
1376 macros << papersizepdflua_def << '\n';
1378 macros << papersizepdf_def << '\n';
1381 if (mustProvide("LyX")) {
1382 macros << "\\providecommand{\\LyX}";
1383 // open conditional wrappers
1384 if (runparams_.use_polyglossia && hasRTLLanguage())
1385 macros << "{\\@ensure@LTR";
1386 if (isRequired("hyperref"))
1387 macros << "{\\texorpdfstring";
1389 macros << "{\\ensureascii";
1392 // close conditional wrappers
1395 if (isRequired("hyperref"))
1397 if (runparams_.use_polyglossia && hasRTLLanguage())
1402 if (mustProvide("noun"))
1403 macros << noun_def << '\n';
1405 if (mustProvide("lyxarrow"))
1406 macros << lyxarrow_def << '\n';
1408 if (mustProvide("lyxzerowidthspace"))
1409 macros << lyxZWSP_def << '\n';
1411 if (!usePolyglossia() && mustProvide("textgreek")) {
1412 // ensure LGR font encoding is defined also if fontenc is not loaded by LyX
1413 if (params_.main_font_encoding() == "default")
1414 macros << textgreek_LGR_def;
1415 macros << textgreek_def << '\n';
1418 if (!usePolyglossia() && mustProvide("textcyrillic")) {
1419 // ensure T2A font encoding is set up also if fontenc is not loaded by LyX
1420 if (params_.main_font_encoding() == "default")
1421 macros << textcyr_T2A_def;
1422 macros << textcyr_def << '\n';
1425 // non-standard text accents:
1426 if (mustProvide("textcommaabove") || mustProvide("textcommaaboveright") ||
1427 mustProvide("textcommabelow") || mustProvide("textbaltic"))
1428 macros << lyxaccent_def;
1430 if (mustProvide("textcommabelow") || mustProvide("textbaltic"))
1431 macros << textcommabelow_def << '\n';
1433 if (mustProvide("textcommaabove") || mustProvide("textbaltic"))
1434 macros << textcommaabove_def << '\n';
1436 if (mustProvide("textcommaaboveright"))
1437 macros << textcommaaboveright_def << '\n';
1439 if (mustProvide("textbaltic"))
1440 macros << textbaltic_def << '\n';
1442 if (mustProvide("textschwa"))
1443 macros << textschwa_def << '\n';
1445 // split-level fractions
1446 if (mustProvide("xfrac") || mustProvide("smallLetterFrac"))
1447 macros << xfrac_def << '\n';
1449 if (mustProvide("smallLetterFrac"))
1450 macros << smallLetterFrac_def << '\n';
1452 if (mustProvide("lyxmathsym"))
1453 macros << lyxmathsym_def << '\n';
1455 if (mustProvide("cedilla"))
1456 macros << cedilla_def << '\n';
1458 if (mustProvide("subring"))
1459 macros << subring_def << '\n';
1461 if (mustProvide("subdot"))
1462 macros << subdot_def << '\n';
1464 if (mustProvide("subhat"))
1465 macros << subhat_def << '\n';
1467 if (mustProvide("subtilde"))
1468 macros << subtilde_def << '\n';
1470 if (mustProvide("dacute"))
1471 macros << dacute_def << '\n';
1473 if (mustProvide("tipasymb"))
1474 macros << tipasymb_def << '\n';
1476 if (mustProvide("dgrave"))
1477 macros << dgrave_def << '\n';
1479 if (mustProvide("rcap"))
1480 macros << rcap_def << '\n';
1482 if (mustProvide("ogonek"))
1483 macros << ogonek_def << '\n';
1486 if (mustProvide("quotesinglbase"))
1487 macros << quotesinglbase_def << '\n';
1488 if (mustProvide("quotedblbase"))
1489 macros << quotedblbase_def << '\n';
1490 if (mustProvide("guilsinglleft"))
1491 macros << guilsinglleft_def << '\n';
1492 if (mustProvide("guilsinglright"))
1493 macros << guilsinglright_def << '\n';
1494 if (mustProvide("guillemotleft"))
1495 macros << guillemotleft_def << '\n';
1496 if (mustProvide("guillemotright"))
1497 macros << guillemotright_def << '\n';
1498 if (mustProvide("textquotedbl"))
1499 macros << textquotedbl_def << '\n';
1500 if (mustProvide("textquotesinglep")) {
1501 if (runparams_.flavor == OutputParams::XETEX)
1502 macros << textquotesinglep_xetex_def << '\n';
1504 macros << textquotesinglep_luatex_def << '\n';
1506 if (mustProvide("textquotedblp")) {
1507 if (runparams_.flavor == OutputParams::XETEX)
1508 macros << textquotedblp_xetex_def << '\n';
1510 macros << textquotedblp_luatex_def << '\n';
1514 if (mustProvide("binom") && !isRequired("amsmath"))
1515 macros << binom_def << '\n';
1516 if (mustProvide("mathcircumflex"))
1517 macros << mathcircumflex_def << '\n';
1520 if (mustProvide("ParagraphLeftIndent"))
1521 macros << paragraphleftindent_def;
1522 if (mustProvide("NeedLyXFootnoteCode"))
1523 macros << floatingfootnote_def;
1525 // some problems with tex->html converters
1526 if (mustProvide("NeedTabularnewline"))
1527 macros << tabularnewline_def;
1529 // greyed-out environment (note inset)
1530 // the color is specified in the routine
1531 // getColorOptions() to avoid LaTeX-package clashes
1532 if (mustProvide("lyxgreyedout"))
1533 macros << lyxgreyedout_def;
1535 if (mustProvide("lyxdot"))
1536 macros << lyxdot_def << '\n';
1539 getFloatDefinitions(macros);
1541 if (mustProvide("refstyle"))
1542 macros << lyxref_def << '\n';
1545 if (mustProvide("ct-dvipost"))
1546 macros << changetracking_dvipost_def;
1548 if (mustProvide("ct-xcolor-ulem")) {
1549 streamsize const prec = macros.os().precision(2);
1551 RGBColor cadd = rgbFromHexName(lcolor.getX11Name(Color_addedtext));
1552 macros << "\\providecolor{lyxadded}{rgb}{"
1553 << cadd.r / 255.0 << ',' << cadd.g / 255.0 << ',' << cadd.b / 255.0 << "}\n";
1555 RGBColor cdel = rgbFromHexName(lcolor.getX11Name(Color_deletedtext));
1556 macros << "\\providecolor{lyxdeleted}{rgb}{"
1557 << cdel.r / 255.0 << ',' << cdel.g / 255.0 << ',' << cdel.b / 255.0 << "}\n";
1559 macros.os().precision(prec);
1561 if (isRequired("hyperref"))
1562 macros << changetracking_xcolor_ulem_hyperref_def;
1564 macros << changetracking_xcolor_ulem_def;
1567 if (mustProvide("ct-tikz-math-sout"))
1568 macros << changetracking_tikz_math_sout_def;
1570 if (mustProvide("ct-none"))
1571 macros << changetracking_none_def;
1573 if (mustProvide("rtloutputdblcol"))
1574 macros << rtloutputdblcol_def;
1576 if (mustProvide("lyxmintcaption"))
1577 macros << lyxmintcaption_def;
1579 return macros.release();
1583 docstring const LaTeXFeatures::getBabelPresettings() const
1585 odocstringstream tmp;
1587 for (Language const * lang : UsedLanguages_)
1588 if (!lang->babel_presettings().empty())
1589 tmp << lang->babel_presettings() << '\n';
1590 if (!params_.language->babel_presettings().empty())
1591 tmp << params_.language->babel_presettings() << '\n';
1593 if (!contains(tmp.str(), '@'))
1596 return "\\makeatletter\n" + tmp.str() + "\\makeatother\n";
1600 docstring const LaTeXFeatures::getBabelPostsettings() const
1602 odocstringstream tmp;
1604 for (Language const * lang : UsedLanguages_)
1605 if (!lang->babel_postsettings().empty())
1606 tmp << lang->babel_postsettings() << '\n';
1607 if (!params_.language->babel_postsettings().empty())
1608 tmp << params_.language->babel_postsettings() << '\n';
1610 if (!contains(tmp.str(), '@'))
1613 return "\\makeatletter\n" + tmp.str() + "\\makeatother\n";
1617 string const LaTeXFeatures::loadAMSPackages() const
1621 if (mustProvide("amsmath")
1622 && params_.use_package("amsmath") != BufferParams::package_off) {
1623 tmp << "\\usepackage{amsmath}\n";
1625 // amsbsy and amstext are already provided by amsmath
1626 if (mustProvide("amsbsy"))
1627 tmp << "\\usepackage{amsbsy}\n";
1628 if (mustProvide("amstext"))
1629 tmp << "\\usepackage{amstext}\n";
1632 if (mustProvide("amsthm"))
1633 tmp << "\\usepackage{amsthm}\n";
1635 if (mustProvide("amssymb")
1636 && params_.use_package("amssymb") != BufferParams::package_off)
1637 tmp << "\\usepackage{amssymb}\n";
1643 docstring const LaTeXFeatures::getTClassPreamble() const
1645 // the text class specific preamble
1646 DocumentClass const & tclass = params_.documentClass();
1647 odocstringstream tcpreamble;
1649 tcpreamble << tclass.preamble();
1651 list<docstring>::const_iterator cit = usedLayouts_.begin();
1652 list<docstring>::const_iterator end = usedLayouts_.end();
1653 for (; cit != end; ++cit)
1654 // For InPreamble layouts, we output the preamble stuff earlier
1655 // (before the layouts). See Paragraph::Private::validate.
1656 if (!tclass[*cit].inpreamble)
1657 tcpreamble << tclass[*cit].preamble();
1659 cit = usedInsetLayouts_.begin();
1660 end = usedInsetLayouts_.end();
1661 TextClass::InsetLayouts const & ils = tclass.insetLayouts();
1662 for (; cit != end; ++cit) {
1663 TextClass::InsetLayouts::const_iterator it = ils.find(*cit);
1664 if (it == ils.end())
1666 tcpreamble << it->second.preamble();
1669 return tcpreamble.str();
1673 docstring const LaTeXFeatures::getTClassHTMLPreamble() const
1675 DocumentClass const & tclass = params_.documentClass();
1676 odocstringstream tcpreamble;
1678 tcpreamble << tclass.htmlpreamble();
1680 list<docstring>::const_iterator cit = usedLayouts_.begin();
1681 list<docstring>::const_iterator end = usedLayouts_.end();
1682 for (; cit != end; ++cit)
1683 tcpreamble << tclass[*cit].htmlpreamble();
1685 cit = usedInsetLayouts_.begin();
1686 end = usedInsetLayouts_.end();
1687 TextClass::InsetLayouts const & ils = tclass.insetLayouts();
1688 for (; cit != end; ++cit) {
1689 TextClass::InsetLayouts::const_iterator it = ils.find(*cit);
1690 if (it == ils.end())
1692 tcpreamble << it->second.htmlpreamble();
1695 return tcpreamble.str();
1699 docstring const LaTeXFeatures::getTClassHTMLStyles() const
1701 DocumentClass const & tclass = params_.documentClass();
1702 odocstringstream tcpreamble;
1704 if (mustProvide("noun"))
1705 tcpreamble << lyxnoun_style;
1706 // this isn't exact, but it won't hurt that much if it
1708 if (mustProvide("ulem"))
1709 tcpreamble << lyxstrikeout_style;
1711 tcpreamble << tclass.htmlstyles();
1713 list<docstring>::const_iterator cit = usedLayouts_.begin();
1714 list<docstring>::const_iterator end = usedLayouts_.end();
1715 for (; cit != end; ++cit)
1716 tcpreamble << tclass[*cit].htmlstyle();
1718 cit = usedInsetLayouts_.begin();
1719 end = usedInsetLayouts_.end();
1720 TextClass::InsetLayouts const & ils = tclass.insetLayouts();
1721 for (; cit != end; ++cit) {
1722 TextClass::InsetLayouts::const_iterator it = ils.find(*cit);
1723 if (it == ils.end())
1725 tcpreamble << it->second.htmlstyle();
1728 return tcpreamble.str();
1734 docstring const getFloatI18nPreamble(docstring const & type,
1735 docstring const & name, Language const * lang,
1736 Encoding const & enc, bool const polyglossia)
1738 // Check whether name can be encoded in the buffer encoding
1739 bool encodable = true;
1740 for (size_t i = 0; i < name.size(); ++i) {
1741 if (!enc.encodable(name[i])) {
1747 docstring const language = polyglossia ? from_ascii(lang->polyglossia())
1748 : from_ascii(lang->babel());
1749 docstring const langenc = from_ascii(lang->encoding()->iconvName());
1750 docstring const texenc = from_ascii(lang->encoding()->latexName());
1751 docstring const bufenc = from_ascii(enc.iconvName());
1752 docstring const s1 = docstring(1, 0xF0000);
1753 docstring const s2 = docstring(1, 0xF0001);
1754 docstring const translated = encodable ? name
1755 : from_ascii("\\inputencoding{") + texenc + from_ascii("}")
1756 + s1 + langenc + s2 + name + s1 + bufenc + s2;
1758 odocstringstream os;
1759 os << "\\addto\\captions" << language
1760 << "{\\renewcommand{\\" << type << "name}{" << translated << "}}\n";
1765 docstring const i18npreamble(docstring const & templ, Language const * lang,
1766 Encoding const & enc, bool const polyglossia,
1767 bool const need_fixedwidth)
1772 string preamble = polyglossia ?
1773 subst(to_utf8(templ), "$$lang", lang->polyglossia()) :
1774 subst(to_utf8(templ), "$$lang", lang->babel());
1776 string const langenc = lang->encoding()->iconvName();
1777 string const texenc = lang->encoding()->latexName();
1778 string const bufenc = enc.iconvName();
1779 Encoding const * testenc(&enc);
1780 bool lang_fallback = false;
1781 bool ascii_fallback = false;
1782 if (need_fixedwidth && !enc.hasFixedWidth()) {
1783 if (lang->encoding()->hasFixedWidth()) {
1784 testenc = lang->encoding();
1785 lang_fallback = true;
1787 // We need a fixed width encoding, but both the buffer
1788 // encoding and the language encoding are variable
1789 // width. As a last fallback, try to convert to pure
1790 // ASCII using the LaTeX commands defined in unicodesymbols.
1791 testenc = encodings.fromLyXName("ascii");
1794 ascii_fallback = true;
1797 // First and second character of plane 15 (Private Use Area)
1798 string const s1 = "\xf3\xb0\x80\x80"; // U+F0000
1799 string const s2 = "\xf3\xb0\x80\x81"; // U+F0001
1801 // lyx::regex is not unicode-safe.
1802 // Should use QRegExp or (boost::u32regex, but that requires ICU)
1803 static regex const reg("_\\(([^\\)]+)\\)");
1805 while (regex_search(preamble, sub, reg)) {
1806 string const key = sub.str(1);
1807 docstring const name = lang->translateLayout(key);
1808 // Check whether name can be encoded in the buffer encoding
1809 bool encodable = true;
1810 for (size_t i = 0; i < name.size() && encodable; ++i)
1811 if (!testenc->encodable(name[i]))
1814 if (encodable && !lang_fallback)
1815 translated = to_utf8(name);
1816 else if (ascii_fallback)
1817 translated = to_ascii(testenc->latexString(name).first);
1819 translated = "\\inputencoding{" + texenc + "}"
1820 + s1 + langenc + s2 + to_utf8(name)
1822 preamble = subst(preamble, sub.str(), translated);
1824 return from_utf8(preamble);
1830 docstring const LaTeXFeatures::getTClassI18nPreamble(bool use_babel,
1831 bool use_polyglossia, bool use_minted) const
1833 DocumentClass const & tclass = params_.documentClass();
1834 // collect preamble snippets in a set to prevent multiple identical
1835 // commands (would happen if e.g. both theorem and theorem* are used)
1836 set<docstring> snippets;
1837 typedef LanguageList::const_iterator lang_it;
1838 lang_it const lbeg = UsedLanguages_.begin();
1839 lang_it const lend = UsedLanguages_.end();
1840 list<docstring>::const_iterator cit = usedLayouts_.begin();
1841 list<docstring>::const_iterator end = usedLayouts_.end();
1842 for (; cit != end; ++cit) {
1843 // language dependent commands (once per document)
1844 snippets.insert(i18npreamble(tclass[*cit].langpreamble(),
1845 buffer().language(),
1846 buffer().params().encoding(),
1847 use_polyglossia, false));
1848 // commands for language changing (for multilanguage documents)
1849 if ((use_babel || use_polyglossia) && !UsedLanguages_.empty()) {
1850 snippets.insert(i18npreamble(
1851 tclass[*cit].babelpreamble(),
1852 buffer().language(),
1853 buffer().params().encoding(),
1854 use_polyglossia, false));
1855 for (lang_it lit = lbeg; lit != lend; ++lit)
1856 snippets.insert(i18npreamble(
1857 tclass[*cit].babelpreamble(),
1859 buffer().params().encoding(),
1860 use_polyglossia, false));
1863 if ((use_babel || use_polyglossia) && !UsedLanguages_.empty()) {
1864 FloatList const & floats = params_.documentClass().floats();
1865 UsedFloats::const_iterator fit = usedFloats_.begin();
1866 UsedFloats::const_iterator fend = usedFloats_.end();
1867 for (; fit != fend; ++fit) {
1868 Floating const & fl = floats.getType(fit->first);
1869 // we assume builtin floats are translated
1870 if (fl.isPredefined())
1872 docstring const type = from_ascii(fl.floattype());
1873 docstring const flname = from_utf8(fl.name());
1874 docstring name = buffer().language()->translateLayout(fl.name());
1875 // only request translation if we have a real translation
1876 // (that differs from the source)
1878 snippets.insert(getFloatI18nPreamble(
1879 type, name, buffer().language(),
1880 buffer().params().encoding(),
1882 for (lang_it lit = lbeg; lit != lend; ++lit) {
1883 string const code = (*lit)->code();
1884 name = (*lit)->translateLayout(fl.name());
1885 // we assume we have a suitable translation if
1886 // either the language is English (we need to
1887 // translate into English if English is a secondary
1888 // language) or if translateIfPossible returns
1889 // something different to the English source.
1890 bool const have_translation =
1891 (flname != name || contains(code, "en"));
1892 if (have_translation)
1893 snippets.insert(getFloatI18nPreamble(
1895 buffer().params().encoding(),
1901 cit = usedInsetLayouts_.begin();
1902 end = usedInsetLayouts_.end();
1903 TextClass::InsetLayouts const & ils = tclass.insetLayouts();
1904 for (; cit != end; ++cit) {
1905 TextClass::InsetLayouts::const_iterator it = ils.find(*cit);
1906 if (it == ils.end())
1908 // The listings package does not work with variable width
1909 // encodings, only with fixed width encodings. Therefore we
1910 // need to force a fixed width encoding for
1911 // \lstlistlistingname and \lstlistingname (bug 9382).
1912 // This needs to be consistent with InsetListings::latex()
1913 // rsp. InsetListings::forcedEncoding().
1914 bool const need_fixedwidth = !use_minted &&
1915 !runparams_.isFullUnicode() &&
1916 buffer().params().encoding().package() != Encoding::japanese &&
1917 it->second.fixedwidthpreambleencoding();
1918 // language dependent commands (once per document)
1919 snippets.insert(i18npreamble(it->second.langpreamble(),
1920 buffer().language(),
1921 buffer().params().encoding(),
1922 use_polyglossia, need_fixedwidth));
1923 // commands for language changing (for multilanguage documents)
1924 if ((use_babel || use_polyglossia) && !UsedLanguages_.empty()) {
1925 snippets.insert(i18npreamble(
1926 it->second.babelpreamble(),
1927 buffer().language(),
1928 buffer().params().encoding(),
1929 use_polyglossia, need_fixedwidth));
1930 for (lang_it lit = lbeg; lit != lend; ++lit)
1931 snippets.insert(i18npreamble(
1932 it->second.babelpreamble(),
1934 buffer().params().encoding(),
1935 use_polyglossia, need_fixedwidth));
1939 odocstringstream tcpreamble;
1940 set<docstring>::const_iterator const send = snippets.end();
1941 set<docstring>::const_iterator it = snippets.begin();
1942 for (; it != send; ++it)
1944 return tcpreamble.str();
1948 docstring const LaTeXFeatures::getLyXSGMLEntities() const
1950 // Definition of entities used in the document that are LyX related.
1951 odocstringstream entities;
1953 if (mustProvide("lyxarrow")) {
1954 entities << "<!ENTITY lyxarrow \"->\">" << '\n';
1957 return entities.str();
1961 docstring const LaTeXFeatures::getIncludedFiles(string const & fname) const
1963 odocstringstream sgmlpreamble;
1965 docstring const basename(from_utf8(onlyPath(fname)));
1967 FileMap::const_iterator end = IncludedFiles_.end();
1968 for (FileMap::const_iterator fi = IncludedFiles_.begin();
1971 sgmlpreamble << "\n<!ENTITY " << fi->first
1972 << (isSGMLFileName(fi->second) ? " SYSTEM \"" : " \"")
1973 << makeRelPath(from_utf8(fi->second), basename) << "\">";
1975 return sgmlpreamble.str();
1979 void LaTeXFeatures::showStruct() const
1981 lyxerr << "LyX needs the following commands when LaTeXing:"
1982 << "\n***** Packages:" << getPackages()
1983 << "\n***** Macros:" << to_utf8(getMacros().str)
1984 << "\n***** Textclass stuff:" << to_utf8(getTClassPreamble())
1985 << "\n***** done." << endl;
1989 Buffer const & LaTeXFeatures::buffer() const
1995 void LaTeXFeatures::setBuffer(Buffer const & buffer)
2001 BufferParams const & LaTeXFeatures::bufferParams() const
2007 void LaTeXFeatures::getFloatDefinitions(otexstream & os) const
2009 FloatList const & floats = params_.documentClass().floats();
2011 // Here we will output the code to create the needed float styles.
2012 // We will try to do this as minimal as possible.
2013 // \floatstyle{ruled}
2014 // \newfloat{algorithm}{htbp}{loa}
2015 // \providecommand{\algorithmname}{Algorithm}
2016 // \floatname{algorithm}{\protect\algorithmname}
2017 UsedFloats::const_iterator cit = usedFloats_.begin();
2018 UsedFloats::const_iterator end = usedFloats_.end();
2019 for (; cit != end; ++cit) {
2020 Floating const & fl = floats.getType(cit->first);
2022 // For builtin floats we do nothing.
2023 if (fl.isPredefined())
2026 // We have to special case "table" and "figure"
2027 if (fl.floattype() == "tabular" || fl.floattype() == "figure") {
2028 // Output code to modify "table" or "figure"
2029 // but only if builtin == false
2030 // and that have to be true at this point in the
2032 docstring const type = from_ascii(fl.floattype());
2033 docstring const placement = from_ascii(fl.placement());
2034 docstring const style = from_ascii(fl.style());
2035 if (!style.empty()) {
2036 os << "\\floatstyle{" << style << "}\n"
2037 << "\\restylefloat{" << type << "}\n";
2039 if (!placement.empty()) {
2040 os << "\\floatplacement{" << type << "}{"
2041 << placement << "}\n";
2044 // The other non builtin floats.
2046 docstring const type = from_ascii(fl.floattype());
2047 docstring const placement = from_ascii(fl.placement());
2048 docstring const ext = from_ascii(fl.ext());
2049 docstring const within = from_ascii(fl.within());
2050 docstring const style = from_ascii(fl.style());
2051 docstring const name =
2052 buffer().language()->translateLayout(fl.name());
2053 os << "\\floatstyle{" << style << "}\n"
2054 << "\\newfloat{" << type << "}{" << placement
2055 << "}{" << ext << '}';
2056 if (!within.empty())
2057 os << '[' << within << ']';
2059 << "\\providecommand{\\" << type << "name}{"
2061 << "\\floatname{" << type << "}{\\protect\\"
2062 << type << "name}\n";
2064 // What missing here is to code to minimalize the code
2065 // output so that the same floatstyle will not be
2066 // used several times, when the same style is still in
2070 // The subfig package is loaded later
2071 os << "\n\\AtBeginDocument{\\newsubfloat{" << from_ascii(fl.floattype()) << "}}\n";
2076 void LaTeXFeatures::resolveAlternatives()
2078 for (Features::iterator it = features_.begin(); it != features_.end();) {
2079 if (contains(*it, '|')) {
2080 vector<string> const alternatives = getVectorFromString(*it, "|");
2081 vector<string>::const_iterator const end = alternatives.end();
2082 vector<string>::const_iterator ita = alternatives.begin();
2083 // Is any alternative already required? => use that
2084 for (; ita != end; ++ita) {
2085 if (isRequired(*ita))
2088 // Is any alternative available? => use the first one
2091 for (ita = alternatives.begin(); ita != end; ++ita) {
2092 if (isAvailable(*ita)) {
2098 // This will not work, but not requiring something
2099 // would be more confusing
2101 require(alternatives.front());
2102 features_.erase(it);
2103 it = features_.begin();
2110 void LaTeXFeatures::expandMultiples()
2112 for (Features::iterator it = features_.begin(); it != features_.end();) {
2113 if (contains(*it, ',')) {
2114 vector<string> const multiples = getVectorFromString(*it, ",");
2115 vector<string>::const_iterator const end = multiples.end();
2116 vector<string>::const_iterator itm = multiples.begin();
2117 // Do nothing if any multiple is already required
2118 for (; itm != end; ++itm) {
2119 if (!isRequired(*itm))
2122 features_.erase(it);
2123 it = features_.begin();