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"
31 #include "OutputParams.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/docstring.h"
41 #include "support/filetools.h"
42 #include "support/lstrings.h"
49 using namespace lyx::support;
54 /////////////////////////////////////////////////////////////////////
58 /////////////////////////////////////////////////////////////////////
60 //\NeedsTeXFormat{LaTeX2e}
61 //\ProvidesPackage{lyx}[1996/01/11 LLE v0.2 (LyX LaTeX Extensions)]
62 //\message{LyX LaTeX Extensions (LLE v0.2) of 11-Jan-1996.}
64 static docstring const lyx_def = from_ascii(
65 "{%\n L\\kern-.1667em\\lower.25em\\hbox{Y}\\kern-.125emX\\@}");
67 static docstring const noun_def = from_ascii(
68 "\\newcommand{\\noun}[1]{\\textsc{#1}}");
70 static docstring const lyxarrow_def = from_ascii(
71 "\\DeclareRobustCommand*{\\lyxarrow}{%\n"
73 "{\\leavevmode\\,$\\triangleleft$\\,\\allowbreak}\n"
74 "{\\leavevmode\\,$\\triangleright$\\,\\allowbreak}}");
76 static docstring const aastex_case_def = from_ascii(
77 "\\providecommand\\case[2]{\\mbox{$\\frac{#1}{#2}$}}%");
78 // Copied from https://github.com/AASJournals/AASTeX60/blob/master/cls/aastex63.cls#L1645
79 // Adapted to providecommand for compatibility reasons.
81 // ZERO WIDTH SPACE (ZWSP) is actually not a space character
82 // but marks a line break opportunity. Several commands provide a
83 // line break opportunity. They differ in side-effects:
84 // \allowbreak prevents hyphenation after hyphen or dash + ZWSP
85 // \linebreak[<n>] takes an optional argument denoting "urgency".
86 // The \LyXZeroWidthSpace wrapper allows customization in the preamble.
87 static docstring const lyxZWSP_def = from_ascii(
88 "\\newcommand*\\LyXZeroWidthSpace{\\hspace{0pt}}");
90 // for quotes without babel. This does not give perfect results, but
91 // anybody serious about non-english quotes should use babel (JMarc).
93 static docstring const quotedblbase_def = from_ascii(
94 "\\ProvideTextCommandDefault{\\quotedblbase}{%\n"
95 " \\raisebox{-1.4ex}[1ex][.5ex]{\\textquotedblright}%\n"
96 " \\penalty10000\\hskip0em\\relax%\n"
99 static docstring const quotesinglbase_def = from_ascii(
100 "\\ProvideTextCommandDefault{\\quotesinglbase}{%\n"
101 " \\raisebox{-1.4ex}[1ex][.5ex]{\\textquoteright}%\n"
102 " \\penalty10000\\hskip0em\\relax%\n"
105 static docstring const guillemotleft_def = from_ascii(
106 "\\ProvideTextCommandDefault{\\guillemotleft}{%\n"
107 " {\\usefont{U}{lasy}{m}{n}\\char'50\\kern-.15em\\char'50}%\n"
108 "\\penalty10000\\hskip0pt\\relax%\n"
111 static docstring const guillemotright_def = from_ascii(
112 "\\ProvideTextCommandDefault{\\guillemotright}{%\n"
113 " \\penalty10000\\hskip0pt%\n"
114 " {\\usefont{U}{lasy}{m}{n}\\char'51\\kern-.15em\\char'51}%\n"
117 static docstring const guilsinglleft_def = from_ascii(
118 "\\ProvideTextCommandDefault{\\guilsinglleft}{%\n"
119 " {\\usefont{U}{lasy}{m}{n}\\char'50}%\n"
120 " \\penalty10000\\hskip0pt\\relax%\n"
123 static docstring const guilsinglright_def = from_ascii(
124 "\\ProvideTextCommandDefault{\\guilsinglright}{%\n"
125 " \\penalty10000\\hskip0pt%\n"
126 " {\\usefont{U}{lasy}{m}{n}\\char'51}%\n"
129 static docstring const textquotedbl_def = from_ascii(
130 "\\DeclareTextSymbolDefault{\\textquotedbl}{T1}");
132 static docstring const textquotedblp_xetex_def = from_ascii(
133 "\\providecommand\\textquotedblplain{%\n"
134 " \\bgroup\\addfontfeatures{Mapping=}\\char34\\egroup}");
136 static docstring const textquotedblp_luatex_def = from_ascii(
137 "\\providecommand\\textquotedblplain{%\n"
138 " \\bgroup\\addfontfeatures{RawFeature=-tlig}\\char34\\egroup}");
140 static docstring const textquotesinglep_xetex_def = from_ascii(
141 "\\providecommand\\textquotesingleplain{%\n"
142 " \\bgroup\\addfontfeatures{Mapping=}\\char39\\egroup}");
144 static docstring const textquotesinglep_luatex_def = from_ascii(
145 "\\providecommand\\textquotesingleplain{%\n"
146 " \\bgroup\\addfontfeatures{RawFeature=-tlig}\\char39\\egroup}");
148 static docstring const paragraphleftindent_def = from_ascii(
149 "\\newenvironment{LyXParagraphLeftIndent}[1]%\n"
151 " \\begin{list}{}{%\n"
152 " \\setlength{\\topsep}{0pt}%\n"
153 " \\addtolength{\\leftmargin}{#1}\n"
154 // ho hum, yet more things commented out with no hint as to why they
155 // weren't just removed
156 // "%% \\addtolength{\\leftmargin}{#1\\textwidth}\n"
157 // "%% \\setlength{\\textwidth}{#2\\textwidth}\n"
158 // "%% \\setlength\\listparindent\\parindent%\n"
159 // "%% \\setlength\\itemindent\\parindent%\n"
160 " \\setlength{\\parsep}{0pt plus 1pt}%\n"
166 static docstring const floatingfootnote_def = from_ascii(
167 "%% Special footnote code from the package 'stblftnt.sty'\n"
168 "%% Author: Robin Fairbairns -- Last revised Dec 13 1996\n"
169 "\\let\\SF@@footnote\\footnote\n"
170 "\\def\\footnote{\\ifx\\protect\\@typeset@protect\n"
171 " \\expandafter\\SF@@footnote\n"
173 " \\expandafter\\SF@gobble@opt\n"
176 "\\expandafter\\def\\csname SF@gobble@opt \\endcsname{\\@ifnextchar[%]\n"
177 " \\SF@gobble@twobracket\n"
180 "\\edef\\SF@gobble@opt{\\noexpand\\protect\n"
181 " \\expandafter\\noexpand\\csname SF@gobble@opt \\endcsname}\n"
182 "\\def\\SF@gobble@twobracket[#1]#2{}\n");
184 static docstring const binom_def = from_ascii(
185 "%% Binom macro for standard LaTeX users\n"
186 "\\newcommand{\\binom}[2]{{#1 \\choose #2}}\n");
188 static docstring const mathcircumflex_def = from_ascii(
189 "%% For printing a cirumflex inside a formula\n"
190 "\\newcommand{\\mathcircumflex}[0]{\\mbox{\\^{}}}\n");
192 static docstring const tabularnewline_def = from_ascii(
193 "%% Because html converters don't know tabularnewline\n"
194 "\\providecommand{\\tabularnewline}{\\\\}\n");
196 static docstring const cellvarwidth_def = from_ascii(
197 "%% Variable width box for table cells\n"
198 "\\newenvironment{cellvarwidth}[1][t]\n"
199 " {\\begin{varwidth}[#1]{\\linewidth}}\n"
200 " {\\@finalstrut\\@arstrutbox\\end{varwidth}}\n");
202 // We want to omit the file extension for includegraphics, but this does not
203 // work when the filename contains other dots.
204 // Idea from http://www.tex.ac.uk/cgi-bin/texfaq2html?label=unkgrfextn
205 static docstring const lyxdot_def = from_ascii(
206 "%% A simple dot to overcome graphicx limitations\n"
207 "\\newcommand{\\lyxdot}{.}\n");
209 static docstring const changetracking_xcolor_ulem_base_def = from_ascii(
210 "%% Change tracking with ulem and xcolor: base macros\n"
211 "\\DeclareRobustCommand{\\mklyxadded}[1]{\\textcolor{lyxadded}\\bgroup#1\\egroup}\n"
212 "\\DeclareRobustCommand{\\mklyxdeleted}[1]{\\textcolor{lyxdeleted}\\bgroup\\mklyxsout{#1}\\egroup}\n"
213 "\\DeclareRobustCommand{\\mklyxsout}[1]{\\ifx\\\\#1\\else\\sout{#1}\\fi}\n");
215 static docstring const changetracking_xcolor_ulem_def = from_ascii(
216 "%% Change tracking with ulem and xcolor: ct markup\n"
217 "\\DeclareRobustCommand{\\lyxadded}[4][]{\\mklyxadded{#4}}\n"
218 "\\DeclareRobustCommand{\\lyxdeleted}[4][]{\\mklyxdeleted{#4}}\n");
220 static docstring const changetracking_xcolor_ulem_cb_def = from_ascii(
221 "%% Change tracking with ulem, xcolor and changebars: ct markup\n"
222 "\\DeclareRobustCommand{\\lyxadded}[4][]{%\n"
223 " \\protect\\cbstart\\mklyxadded{#4}%\n"
224 " \\protect\\cbend%\n"
226 "\\DeclareRobustCommand{\\lyxdeleted}[4][]{%\n"
227 " \\protect\\cbstart\\mklyxdeleted{#4}%\n"
228 " \\protect\\cbend%\n"
231 static docstring const changetracking_xcolor_ulem_hyperref_def = from_ascii(
232 "%% Change tracking with ulem, xcolor, and hyperref: ct markup\n"
233 "\\DeclareRobustCommand{\\lyxadded}[4][]{\\texorpdfstring{\\mklyxadded{#4}}{#4}}\n"
234 "\\DeclareRobustCommand{\\lyxdeleted}[4][]{\\texorpdfstring{\\mklyxdeleted{#4}}{}}\n");
236 static docstring const changetracking_xcolor_ulem_hyperref_cb_def = from_ascii(
237 "%% Change tracking with ulem, xcolor, hyperref and changebars: ct markup\n"
238 "\\DeclareRobustCommand{\\lyxadded}[4][]{%\n"
239 " \\texorpdfstring{\\protect\\cbstart\\mklyxadded{#4}%\n"
240 " \\protect\\cbend}{#4}%\n"
242 "\\DeclareRobustCommand{\\lyxdeleted}[4][]{%\n"
243 " \\texorpdfstring{\\protect\\cbstart\\mklyxdeleted{#4}%\n"
244 " \\protect\\cbend}{}%\n"
247 static docstring const changetracking_tikz_object_sout_def = from_ascii(
248 "%% Strike out display math and text objects with tikz\n"
249 "\\usetikzlibrary{calc}\n"
250 "\\newcommand{\\lyxobjectsout}[1]{%\n"
252 " \\color{lyxdeleted}%\n"
254 " \\node[inner sep=0pt,outer sep=0pt](lyxdelobj){#1};\n"
255 " \\draw($(lyxdelobj.south west)+(2em,.5em)$)--($(lyxdelobj.north east)-(2em,.5em)$);\n"
260 static docstring const changetracking_xcolor_ulem_object_def = from_ascii(
261 "%% Change tracking with ulem and xcolor: ct markup for complex objects\n"
262 "\\DeclareRobustCommand{\\lyxobjdeleted}[4][]{\\lyxobjectsout{#4}}\n"
263 "\\DeclareRobustCommand{\\lyxdisplayobjdeleted}[4][]{%\n"
264 " \\ifx#4\\empty\\else%\n"
265 " \\leavevmode\\\\%\n"
266 " \\lyxobjectsout{\\parbox{\\linewidth}{#4}}%\n"
269 "\\DeclareRobustCommand{\\lyxudisplayobjdeleted}[4][]{%\n"
270 " \\ifx#4\\empty\\else%\n"
271 " \\leavevmode\\\\%\n"
272 " \\raisebox{-\\belowdisplayshortskip}{%\n"
273 " \\lyxobjectsout{\\parbox[b]{\\linewidth}{#4}}}%\n"
274 " \\leavevmode\\\\%\n"
278 static docstring const changetracking_xcolor_ulem_cb_object_def = from_ascii(
279 "%% Change tracking with ulem, xcolor and changebars:ct markup for complex objects\n"
280 "\\DeclareRobustCommand{\\lyxobjdeleted}[4][]{%\n"
281 " \\protect\\cbstart\\lyxobjectsout{#4}%\n"
282 " \\protect\\cbend%\n"
284 "\\DeclareRobustCommand{\\lyxdisplayobjdeleted}[4][]{%\n"
285 " \\ifx#4\\empty\\else%\n"
286 " \\leavevmode\\\\%\n"
287 " \\protect\\cbstart%\n"
288 " \\lyxobjectsout{\\parbox{\\linewidth}{#4}}%\n"
289 " \\protect\\cbend%\n"
292 "\\DeclareRobustCommand{\\lyxudisplayobjdeleted}[4][]{%\n"
293 " \\ifx#4\\empty\\else%\n"
294 " \\leavevmode\\\\%\n"
295 " \\raisebox{-\\belowdisplayshortskip}{%\n"
296 " \\protect\\cbstart%\n"
297 " \\lyxobjectsout{\\parbox[b]{\\linewidth}{#4}}}%\n"
298 " \\protect\\cbend%\n"
299 " \\leavevmode\\\\%\n"
303 static docstring const changetracking_xcolor_ulem_hyperref_object_def = from_ascii(
304 "%% Change tracking with ulem, xcolor, and hyperref: ct markup for complex objects\n"
305 "\\DeclareRobustCommand{\\lyxobjdeleted}[4][]{\\texorpdfstring{\\lyxobjectsout{#4}}{}}\n"
306 "\\DeclareRobustCommand{\\lyxdisplayobjdeleted}[4][]{%\n"
307 " \\ifx#4\\empty\\else%\n"
308 " \\texorpdfstring{\\leavevmode\\\\\\lyxobjectsout{\\parbox{\\linewidth}{#4}}}{}%\n"
311 "\\DeclareRobustCommand{\\lyxudisplayobjdeleted}[4][]{%\n"
312 " \\ifx#4\\empty\\else%\n"
313 " \\texorpdfstring{\\leavevmode\\\\\\raisebox{-\\belowdisplayshortskip}{%\n"
314 " \\lyxobjectsout{\\parbox[b]{\\linewidth}{#4}}}}{}%\n"
315 " \\leavevmode\\\\%\n"
319 static docstring const changetracking_xcolor_ulem_hyperref_cb_object_def = from_ascii(
320 "%% Change tracking with ulem, xcolor, hyperref and changebars:\n"
321 "%% ct markup for complex objects\n"
322 "\\DeclareRobustCommand{\\lyxobjdeleted}[4][]{%\n"
323 " \\texorpdfstring{\\protect\\cbstart\\lyxobjectsout{#4}%\n"
324 " \\protect\\cbend}{}%\n"
326 "\\DeclareRobustCommand{\\lyxdisplayobjdeleted}[4][]{%\n"
327 " \\ifx#4\\empty\\else%\n"
328 " \\texorpdfstring{\\leavevmode\\\\\\protect\\cbstart%\n"
329 " \\lyxobjectsout{\\parbox{\\linewidth}{#4}}%\n"
330 " \\protect\\cbend%\n"
334 "\\DeclareRobustCommand{\\lyxudisplayobjdeleted}[4][]{%\n"
335 " \\ifx#4\\empty\\else%\n"
336 " \\texorpdfstring{\\leavevmode\\\\\\protect\\cbstart%\n"
337 " \\raisebox{-\\belowdisplayshortskip}{%\n"
338 " \\lyxobjectsout{\\parbox[b]{\\linewidth}{#4}}%\n"
340 " \\leavevmode\\\\%\n"
345 static docstring const changetracking_none_def = from_ascii(
346 "%% Change tracking: Disable markup in output\n"
347 "\\newcommand{\\lyxadded}[3]{#3}\n"
348 "\\newcommand{\\lyxdeleted}[3]{}\n"
349 "\\newcommand{\\lyxobjdeleted}[3]{}\n"
350 "\\newcommand{\\lyxdisplayobjdeleted}[3]{}\n"
351 "\\newcommand{\\lyxudisplayobjdeleted}[3]{}\n");
353 static docstring const textgreek_LGR_def = from_ascii(
354 "\\DeclareFontEncoding{LGR}{}{}\n");
355 static docstring const textgreek_def = from_ascii(
356 "\\DeclareRobustCommand{\\greektext}{%\n"
357 " \\fontencoding{LGR}\\selectfont\\def\\encodingdefault{LGR}}\n"
358 "\\DeclareRobustCommand{\\textgreek}[1]{\\leavevmode{\\greektext #1}}\n");
360 static docstring const textcyr_T2A_def = from_ascii(
361 "\\InputIfFileExists{t2aenc.def}{}{%\n"
362 " \\errmessage{File `t2aenc.def' not found: Cyrillic script not supported}}\n");
363 static docstring const textcyr_def = from_ascii(
364 "\\DeclareRobustCommand{\\cyrtext}{%\n"
365 " \\fontencoding{T2A}\\selectfont\\def\\encodingdefault{T2A}}\n"
366 "\\DeclareRobustCommand{\\textcyrillic}[1]{\\leavevmode{\\cyrtext #1}}\n");
368 static docstring const lyxmathsym_def = from_ascii(
369 "\\newcommand{\\lyxmathsym}[1]{\\ifmmode\\begingroup\\def\\b@ld{bold}\n"
370 " \\text{\\ifx\\math@version\\b@ld\\bfseries\\fi#1}\\endgroup\\else#1\\fi}\n");
372 static docstring const papersizedvi_def = from_ascii(
373 "\\special{papersize=\\the\\paperwidth,\\the\\paperheight}\n");
375 static docstring const papersizepdf_def = from_ascii(
376 "\\pdfpageheight\\paperheight\n"
377 "\\pdfpagewidth\\paperwidth\n");
379 static docstring const papersizepdflua_def = from_ascii(
380 "% Backwards compatibility for LuaTeX < 0.90\n"
381 "\\@ifundefined{pageheight}{\\let\\pageheight\\pdfpageheight}{}\n"
382 "\\@ifundefined{pagewidth}{\\let\\pagewidth\\pdfpagewidth}{}\n"
383 "\\pageheight\\paperheight\n"
384 "\\pagewidth\\paperwidth\n");
386 static docstring const cedilla_def = from_ascii(
387 "\\newcommand{\\docedilla}[2]{\\underaccent{#1\\mathchar'30}{#2}}\n"
388 "\\newcommand{\\cedilla}[1]{\\mathpalette\\docedilla{#1}}\n");
390 static docstring const subring_def = from_ascii(
391 "\\newcommand{\\dosubring}[2]{\\underaccent{#1\\mathchar'27}{#2}}\n"
392 "\\newcommand{\\subring}[1]{\\mathpalette\\dosubring{#1}}\n");
394 static docstring const subdot_def = from_ascii(
395 "\\newcommand{\\dosubdot}[2]{\\underaccent{#1.}{#2}}\n"
396 "\\newcommand{\\subdot}[1]{\\mathpalette\\dosubdot{#1}}\n");
398 static docstring const subhat_def = from_ascii(
399 "\\newcommand{\\dosubhat}[2]{\\underaccent{#1\\mathchar'136}{#2}}\n"
400 "\\newcommand{\\subhat}[1]{\\mathpalette\\dosubhat{#1}}\n");
402 static docstring const subtilde_def = from_ascii(
403 "\\newcommand{\\dosubtilde}[2]{\\underaccent{#1\\mathchar'176}{#2}}\n"
404 "\\newcommand{\\subtilde}[1]{\\mathpalette\\dosubtilde{#1}}\n");
406 static docstring const dacute_def = from_ascii(
407 "\\DeclareMathAccent{\\dacute}{\\mathalpha}{operators}{'175}\n");
409 static docstring const tipasymb_def = from_ascii(
410 "\\DeclareFontEncoding{T3}{}{}\n"
411 "\\DeclareSymbolFont{tipasymb}{T3}{cmr}{m}{n}\n");
413 static docstring const dgrave_def = from_ascii(
414 "\\DeclareMathAccent{\\dgrave}{\\mathord}{tipasymb}{'15}\n");
416 static docstring const rcap_def = from_ascii(
417 "\\DeclareMathAccent{\\rcap}{\\mathord}{tipasymb}{'20}\n");
419 static docstring const ogonek_def = from_ascii(
420 "\\newcommand{\\doogonek}[2]{\\setbox0=\\hbox{$#1#2$}\\underaccent{#1\\mkern-6mu\n"
421 " \\ifx#2O\\hskip0.5\\wd0\\else\\ifx#2U\\hskip0.5\\wd0\\else\\hskip\\wd0\\fi\\fi\n"
422 " \\ifx#2o\\mkern-2mu\\else\\ifx#2e\\mkern-1mu\\fi\\fi\n"
423 " \\mathchar\"0\\hexnumber@\\symtipasymb0C}{#2}}\n"
424 "\\newcommand{\\ogonek}[1]{\\mathpalette\\doogonek{#1}}\n");
426 static docstring const lyxaccent_def = from_ascii(
427 "%% custom text accent \\LyxTextAccent[<rise value (length)>]{<accent>}{<base>}\n"
428 "\\newcommand*{\\LyxTextAccent}[3][0ex]{%\n"
429 " \\hmode@bgroup\\ooalign{\\null#3\\crcr\\hidewidth\n"
430 " \\raise#1\\hbox{#2}\\hidewidth}\\egroup}\n"
431 "%% select a font size smaller than the current font size:\n"
432 "\\newcommand{\\LyxAccentSize}[1][\\sf@size]{%\n"
433 " \\check@mathfonts\\fontsize#1\\z@\\math@fontsfalse\\selectfont\n"
436 static docstring const textcommabelow_def = from_ascii(
437 "\\ProvideTextCommandDefault{\\textcommabelow}[1]{%%\n"
438 " \\LyxTextAccent[-.31ex]{\\LyxAccentSize,}{#1}}\n");
440 static docstring const textcommaabove_def = from_ascii(
441 "\\ProvideTextCommandDefault{\\textcommaabove}[1]{%%\n"
442 " \\LyxTextAccent[.5ex]{\\LyxAccentSize`}{#1}}\n");
444 static docstring const textcommaaboveright_def = from_ascii(
445 "\\ProvideTextCommandDefault{\\textcommaaboveright}[1]{%%\n"
446 " \\LyxTextAccent[.5ex]{\\LyxAccentSize\\ '}{#1}}\n");
448 // Baltic languages use a comma-accent instead of a cedilla
449 static docstring const textbaltic_def = from_ascii(
450 "%% use comma accent instead of cedilla for these characters:\n"
451 "\\DeclareTextCompositeCommand{\\c}{T1}{g}{\\textcommaabove{g}}\n"
452 "\\DeclareTextCompositeCommand{\\c}{T1}{G}{\\textcommabelow{G}}\n"
453 "\\DeclareTextCompositeCommand{\\c}{T1}{k}{\\textcommabelow{k}}\n"
454 "\\DeclareTextCompositeCommand{\\c}{T1}{K}{\\textcommabelow{K}}\n"
455 "\\DeclareTextCompositeCommand{\\c}{T1}{l}{\\textcommabelow{l}}\n"
456 "\\DeclareTextCompositeCommand{\\c}{T1}{L}{\\textcommabelow{L}}\n"
457 "\\DeclareTextCompositeCommand{\\c}{T1}{n}{\\textcommabelow{n}}\n"
458 "\\DeclareTextCompositeCommand{\\c}{T1}{N}{\\textcommabelow{N}}\n"
459 "\\DeclareTextCompositeCommand{\\c}{T1}{r}{\\textcommabelow{r}}\n"
460 "\\DeclareTextCompositeCommand{\\c}{T1}{R}{\\textcommabelow{R}}\n");
462 // Use cyrillic fonts to provide letter schwa in text (see #11062)
463 static docstring const textschwa_def = from_ascii(
464 "%% letter schwa missing in Latin fonts, use Cyrillic schwa\n"
465 "\\DeclareTextSymbolDefault{\\CYRSCHWA}{T2A}\n"
466 "\\DeclareTextSymbolDefault{\\cyrschwa}{T2A}\n"
467 "\\ProvideTextCommandDefault{\\textSchwa}{\\CYRSCHWA}\n"
468 "\\ProvideTextCommandDefault{\\textschwa}{\\cyrschwa}\n");
470 // split-level fractions
471 static docstring const xfrac_def = from_ascii(
472 "\\usepackage{xfrac}\n");
474 static docstring const smallLetterFrac_def = from_ascii(
475 "\\DeclareCollectionInstance{smallLetterFrac}{xfrac}{default}{text}\n"
476 " {phantom=c, scale-factor=1.0, slash-left-kern=-.05em}\n"
477 "\\DeclareCollectionInstance{smallLetterFrac}{xfrac}{lmr}{text}\n"
478 " {slash-symbol-font=ptm, phantom=c, scale-factor=1, slash-left-kern=-.05em}\n"
479 "\\DeclareCollectionInstance{smallLetterFrac}{xfrac}{lmss}{text}\n"
480 " {slash-symbol-font=ptm, phantom=c, scale-factor=1, slash-left-kern=-.05em}\n"
481 "\\DeclareCollectionInstance{smallLetterFrac}{xfrac}{cmr}{text}\n"
482 " {slash-symbol-font=ptm, phantom=c, scale-factor=1, slash-left-kern=-.05em}\n"
483 "\\DeclareCollectionInstance{smallLetterFrac}{xfrac}{cmss}{text}\n"
484 " {slash-symbol-font=ptm, phantom=c, scale-factor=1, slash-left-kern=-.05em}\n"
485 "\\newcommand{\\smallLetterFrac}[2]{%\n"
486 " {\\UseCollection{xfrac}{smallLetterFrac}\\sfrac{#1}{#2}}}\n");
488 static docstring const lyxref_def = from_ascii(
489 "\\RS@ifundefined{subsecref}\n"
490 " {\\newref{subsec}{name = \\RSsectxt}}\n"
492 "\\RS@ifundefined{thmref}\n"
493 " {\\def\\RSthmtxt{theorem~}\\newref{thm}{name = \\RSthmtxt}}\n"
495 "\\RS@ifundefined{lemref}\n"
496 " {\\def\\RSlemtxt{lemma~}\\newref{lem}{name = \\RSlemtxt}}\n"
499 // Make sure the columns are also outputed as rtl
500 static docstring const rtloutputdblcol_def = from_ascii(
501 "\\def\\@outputdblcol{%\n"
502 " \\if@firstcolumn\n"
503 " \\global \\@firstcolumnfalse\n"
504 " \\global \\setbox\\@leftcolumn \\box\\@outputbox\n"
506 " \\global \\@firstcolumntrue\n"
507 " \\setbox\\@outputbox \\vbox {%\n"
508 " \\hb@xt@\\textwidth {%\n"
509 " \\kern\\textwidth \\kern-\\columnwidth %**\n"
510 " \\hb@xt@\\columnwidth {%\n"
511 " \\box\\@leftcolumn \\hss}%\n"
512 " \\kern-\\textwidth %**\n"
514 " {\\normalcolor\\vrule \\@width\\columnseprule}%\n"
516 " \\kern-\\textwidth %**\n"
517 " \\hb@xt@\\columnwidth {%\n"
518 " \\box\\@outputbox \\hss}%\n"
519 " \\kern-\\columnwidth \\kern\\textwidth %**\n"
522 " \\@combinedblfloats\n"
525 " \\@dblfloatplacement\n"
526 " \\@startdblcolumn\n"
527 " \\@whilesw\\if@fcolmade \\fi\n"
529 " \\@startdblcolumn}%\n"
533 "\\@mparswitchtrue\n");
535 static docstring const lyxmintcaption_def = from_ascii(
536 "\\long\\def\\lyxmintcaption[#1]#2{%\n"
537 " \\ifx#1t\\vskip\\baselineskip\\fi%\n"
538 " \\refstepcounter{listing}\\noindent%\n"
539 " \\addcontentsline{lol}{listing}%\n"
540 " {\\protect\\numberline{\\thelisting}{\\ignorespaces #2}}%\n"
541 " \\setbox\\@tempboxa\\hbox{\\listingscaption~\\thelisting: #2}%\n"
542 " \\ifdim \\wd\\@tempboxa >\\linewidth%\n"
543 " \\parbox[t]{\\linewidth}{\\unhbox\\@tempboxa}\\else%\n"
544 " \\hbox to\\linewidth{\\hfil\\box\\@tempboxa\\hfil}\\fi%\n"
545 " \\ifx#1b\\vskip\\baselineskip\\fi\n"
549 docstring const lyxgreyedoutDef(bool const ct)
551 odocstringstream ods;
553 ods << "%% The greyedout annotation environment\n"
554 << "\\newenvironment{lyxgreyedout}\n"
557 ods << "\\colorlet{lyxadded}{lyxadded!30}\\colorlet{lyxdeleted}{lyxdeleted!30}%\n ";
558 ods << "\\normalfont\\normalsize\\textcolor{note_fontcolor}\\bgroup\\ignorespaces}\n"
559 << "{\\ignorespacesafterend\\egroup}\n";
566 /////////////////////////////////////////////////////////////////////
570 /////////////////////////////////////////////////////////////////////
572 static docstring const lyxnoun_style = from_ascii(
574 " font-variant: small-caps;\n"
578 // this is how it normally renders, but it might not always do so.
579 static docstring const lyxstrikeout_style = from_ascii(
581 " text-decoration: line-through;\n"
585 /////////////////////////////////////////////////////////////////////
589 /////////////////////////////////////////////////////////////////////
592 LaTeXFeatures::LaTeXFeatures(Buffer const & b, BufferParams const & p,
593 OutputParams const & r)
594 : buffer_(&b), params_(p), runparams_(r), in_float_(false),
595 in_deleted_inset_(false)
599 LaTeXFeatures::LangPackage LaTeXFeatures::langPackage() const
601 string const local_lp = bufferParams().lang_package;
603 // Locally, custom is just stored as a string
604 // in bufferParams().lang_package.
605 if (local_lp != "auto"
606 && local_lp != "babel"
607 && local_lp != "default"
608 && local_lp != "none")
609 return LANG_PACK_CUSTOM;
611 if (local_lp == "none")
612 return LANG_PACK_NONE;
614 /* If "auto" is selected, we load polyglossia with non-TeX fonts,
615 * else we select babel.
616 * If babel is selected (either directly or via the "auto"
617 * mechanism), we really do only require it if we have
618 * a language that needs it.
620 bool const polyglossia_required =
621 params_.useNonTeXFonts
622 && isAvailable("polyglossia")
623 && !isProvided("babel")
624 && this->hasOnlyPolyglossiaLanguages();
625 bool const babel_required =
626 !bufferParams().language->babel().empty()
627 || !this->getBabelLanguages().empty();
629 if (local_lp == "auto") {
630 // polyglossia requirement has priority over babel
631 if (polyglossia_required)
632 return LANG_PACK_POLYGLOSSIA;
633 else if (babel_required)
634 return LANG_PACK_BABEL;
637 if (local_lp == "babel") {
639 return LANG_PACK_BABEL;
642 if (local_lp == "default") {
643 switch (lyxrc.language_package_selection) {
645 // polyglossia requirement has priority over babel
646 if (polyglossia_required)
647 return LANG_PACK_POLYGLOSSIA;
648 else if (babel_required)
649 return LANG_PACK_BABEL;
651 case LyXRC::LP_BABEL:
653 return LANG_PACK_BABEL;
655 case LyXRC::LP_CUSTOM:
656 return LANG_PACK_CUSTOM;
658 return LANG_PACK_NONE;
662 return LANG_PACK_NONE;
666 void LaTeXFeatures::require(string const & name)
668 features_.insert(name);
672 void LaTeXFeatures::require(set<string> const & names)
674 features_.insert(names.begin(), names.end());
678 void LaTeXFeatures::provide(string const & name)
680 provides_.insert(name);
684 void LaTeXFeatures::useLayout(docstring const & layoutname)
686 useLayout(layoutname, 0);
690 void LaTeXFeatures::useLayout(docstring const & layoutname, int level)
692 // Some code to avoid loops in dependency definition
693 const int maxlevel = 30;
694 if (level > maxlevel) {
695 lyxerr << "LaTeXFeatures::useLayout: maximum level of "
696 << "recursion attained by layout "
697 << to_utf8(layoutname) << endl;
701 DocumentClass const & tclass = params_.documentClass();
702 if (tclass.hasLayout(layoutname)) {
703 // Is this layout already in usedLayouts?
704 if (find(usedLayouts_.begin(), usedLayouts_.end(), layoutname)
705 != usedLayouts_.end())
708 Layout const & layout = tclass[layoutname];
709 require(layout.required());
711 if (!layout.depends_on().empty()) {
712 useLayout(layout.depends_on(), level + 1);
714 usedLayouts_.push_back(layoutname);
716 lyxerr << "LaTeXFeatures::useLayout: layout `"
717 << to_utf8(layoutname) << "' does not exist in this class"
723 void LaTeXFeatures::useInsetLayout(InsetLayout const & lay)
725 docstring const & lname = lay.name();
726 DocumentClass const & tclass = params_.documentClass();
728 // this is a default inset layout, nothing useful here
729 if (!tclass.hasInsetLayout(lname))
731 // Is this layout already in usedInsetLayouts?
732 if (find(usedInsetLayouts_.begin(), usedInsetLayouts_.end(), lname)
733 != usedInsetLayouts_.end())
736 require(lay.required());
737 usedInsetLayouts_.push_back(lname);
741 bool LaTeXFeatures::isRequired(string const & name) const
743 return features_.find(name) != features_.end();
747 bool LaTeXFeatures::isProvided(string const & name) const
749 // Currently, this is only features provided by babel languages
750 // (such as textgreek)
751 if (provides_.find(name) != provides_.end())
754 if (params_.useNonTeXFonts)
755 return params_.documentClass().provides(name);
757 bool const ot1 = (runparams().main_fontenc == "default"
758 || runparams().main_fontenc == "OT1");
759 bool const complete = (params_.fontsSans() == "default"
760 && params_.fontsTypewriter() == "default");
761 bool const nomath = (params_.fontsMath() == "default");
762 return params_.documentClass().provides(name)
763 || theLaTeXFonts().getLaTeXFont(
764 from_ascii(params_.fontsRoman())).provides(name, ot1,
767 || theLaTeXFonts().getLaTeXFont(
768 from_ascii(params_.fontsSans())).provides(name, ot1,
771 || theLaTeXFonts().getLaTeXFont(
772 from_ascii(params_.fontsTypewriter())).provides(name, ot1,
775 || theLaTeXFonts().getLaTeXFont(
776 from_ascii(params_.fontsMath())).provides(name, ot1,
782 bool LaTeXFeatures::mustProvide(string const & name) const
784 return isRequired(name) && !isProvided(name);
788 bool LaTeXFeatures::isAvailable(string const & name)
790 string::size_type const i = name.find("->");
791 if (i != string::npos) {
792 string const from = name.substr(0,i);
793 string const to = name.substr(i+2);
794 //LYXERR0("from=[" << from << "] to=[" << to << "]");
795 return theConverters().isReachable(from, to);
797 return LaTeXPackages::isAvailable(name);
801 bool LaTeXFeatures::isAvailableAtLeastFrom(string const & name, int const y, int const m, int const d)
803 return LaTeXPackages::isAvailableAtLeastFrom(name, y, m, d);
809 void addSnippet(std::list<TexString> & list, TexString ts, bool allow_dupes)
812 // test the absense of duplicates, i.e. elements with same str
813 none_of(list.begin(), list.end(), [&](TexString const & ts2){
814 return ts.str == ts2.str;
817 list.push_back(std::move(ts));
821 TexString getSnippets(std::list<TexString> const & list)
823 otexstringstream snip;
824 for (TexString const & ts : list)
825 snip << TexString(ts) << '\n';
826 return snip.release();
832 void LaTeXFeatures::addPreambleSnippet(TexString snippet, bool allow_dupes)
834 addSnippet(preamble_snippets_, std::move(snippet), allow_dupes);
838 void LaTeXFeatures::addPreambleSnippet(docstring const & snippet, bool allow_dupes)
840 addSnippet(preamble_snippets_, TexString(snippet), allow_dupes);
844 void LaTeXFeatures::addCSSSnippet(std::string const & snippet)
846 addSnippet(css_snippets_, TexString(from_ascii(snippet)), false);
850 TexString LaTeXFeatures::getPreambleSnippets() const
852 return getSnippets(preamble_snippets_);
856 docstring LaTeXFeatures::getCSSSnippets() const
858 return getSnippets(css_snippets_).str;
863 void LaTeXFeatures::useFloat(string const & name, bool subfloat)
865 if (!usedFloats_[name])
866 usedFloats_[name] = subfloat;
869 // We only need float.sty if we use non builtin floats, or if we
870 // use the "H" modifier. This includes modified table and
871 // figure floats. (Lgb)
872 Floating const & fl = params_.documentClass().floats().getType(name);
873 if (!fl.floattype().empty()) {
874 if (fl.usesFloatPkg())
876 if (!fl.required().empty()) {
877 vector<string> reqs = getVectorFromString(fl.required());
878 for (auto const & req : reqs)
885 void LaTeXFeatures::useLanguage(Language const * lang)
887 if (!lang->babel().empty() || !lang->polyglossia().empty())
888 UsedLanguages_.insert(lang);
889 if (!lang->required().empty())
890 require(lang->required());
891 // currently only supported for Babel
892 if (!lang->provides().empty() && useBabel())
893 provide(lang->provides());
894 // CJK languages do not have a babel name.
895 // They use the CJK package
896 if (lang->encoding()->package() == Encoding::CJK)
898 // japanese babel language is special (tied to the pLaTeX engine).
899 if (lang->encoding()->package() == Encoding::japanese)
904 void LaTeXFeatures::includeFile(docstring const & key, string const & name)
906 IncludedFiles_[key] = name;
910 bool LaTeXFeatures::hasLanguages() const
912 return !UsedLanguages_.empty();
916 bool LaTeXFeatures::hasOnlyPolyglossiaLanguages() const
918 // first the main language
919 if (params_.language->polyglossia().empty())
921 // now the secondary languages
922 for (auto const & lang : UsedLanguages_)
924 if (lang->polyglossia().empty())
931 bool LaTeXFeatures::hasPolyglossiaExclusiveLanguages() const
933 // first the main language
934 if (params_.language->isPolyglossiaExclusive())
936 // now the secondary languages
937 for (auto const & lang : UsedLanguages_)
939 if (lang->isPolyglossiaExclusive())
946 vector<string> LaTeXFeatures::getPolyglossiaExclusiveLanguages() const
948 vector<string> result;
949 // first the main language
950 if (params_.language->isPolyglossiaExclusive())
951 result.push_back(params_.language->display());
952 // now the secondary languages
953 for (auto const & lang : UsedLanguages_)
955 if (lang->isPolyglossiaExclusive())
956 result.push_back(lang->display());
962 vector<string> LaTeXFeatures::getBabelExclusiveLanguages() const
964 vector<string> result;
965 // first the main language
966 if (params_.language->isBabelExclusive())
967 result.push_back(params_.language->display());
968 // now the secondary languages
969 for (auto const & lang : UsedLanguages_)
971 if (lang->isBabelExclusive())
972 result.push_back(lang->display());
978 string LaTeXFeatures::getBabelLanguages() const
980 vector<string> blangs;
981 for (auto const & lang : UsedLanguages_) {
982 if (!lang->babel().empty())
983 blangs.push_back(lang->babel());
986 // Sort alphabetically to assure consistent order
987 // (the order itself does not matter apart from
988 // some exceptions, e.g. hebrew must come after
990 sort(blangs.begin(), blangs.end());
992 return getStringFromVector(blangs);
996 set<string> LaTeXFeatures::getPolyglossiaLanguages() const
1000 for (auto const & lang : UsedLanguages_)
1001 // We do not need the variants here
1002 langs.insert(lang->polyglossia());
1007 string LaTeXFeatures::getActiveChars() const
1010 // first the main language
1011 res += params_.language->activeChars();
1012 // now the secondary languages
1013 for (auto const & lang : UsedLanguages_)
1014 res += (lang->activeChars());
1019 set<string> LaTeXFeatures::getEncodingSet(string const & doc_encoding) const
1021 // This does only find encodings of languages supported by babel, but
1022 // that does not matter since we don't have a language with an
1023 // encoding supported by inputenc but without babel support.
1025 for (auto const & lang : UsedLanguages_)
1026 if (lang->encoding()->latexName() != doc_encoding &&
1027 lang->encoding()->package() == Encoding::inputenc)
1028 encs.insert(lang->encoding()->latexName());
1033 void LaTeXFeatures::getFontEncodings(vector<string> & encs, bool const onlylangs) const
1036 // these must be loaded if glyphs of this script are used
1037 // unless a language providing them is used in the document
1038 if (mustProvide("textgreek")
1039 && find(encs.begin(), encs.end(), "LGR") == encs.end())
1040 encs.insert(encs.begin(), "LGR");
1041 if ((mustProvide("textcyrillic") || mustProvide("textschwa"))
1042 && find(encs.begin(), encs.end(), "T2A") == encs.end())
1043 encs.insert(encs.begin(), "T2A");
1046 for (auto const & lang : UsedLanguages_)
1048 vector<string> extraencs =
1049 getVectorFromString(lang->fontenc(buffer().masterParams()));
1050 for (auto const & extra : extraencs) {
1051 if (extra != "none" && find(encs.begin(), encs.end(), extra) == encs.end())
1052 encs.insert(encs.begin(), extra);
1058 bool LaTeXFeatures::hasRTLLanguage() const
1060 if (params_.language->rightToLeft())
1062 for (auto const & lang : UsedLanguages_)
1063 if (lang->rightToLeft())
1071 char const * simplefeatures[] = {
1072 // note that the package order here will be the same in the LaTeX-output
1079 // subfig is handled in BufferParams.cpp
1083 /*For a successful cooperation of the `wrapfig' package with the
1084 `float' package you should load the `wrapfig' package *after*
1085 the `float' package. See the caption package documentation
1113 // listings is handled in BufferParams.cpp
1145 char const * bibliofeatures[] = {
1146 // Known bibliography packages (will be loaded before natbib)
1165 string const LaTeXFeatures::getColorOptions() const
1167 ostringstream colors;
1169 // Handling the color packages separately is needed to be able to load them
1170 // before babel when hyperref is loaded with the colorlinks option
1171 // for more info see Bufferparams.cpp
1174 if (mustProvide("color") || mustProvide("xcolor")) {
1175 string const package =
1176 (mustProvide("xcolor") ? "xcolor" : "color");
1177 if (params_.graphics_driver == "default"
1178 || params_.graphics_driver == "none")
1179 colors << "\\usepackage{" << package << "}\n";
1181 colors << "\\usepackage["
1182 << params_.graphics_driver
1183 << "]{" << package << "}\n";
1186 // the following 3 color commands must be set after color
1187 // is loaded and before pdfpages, therefore add the command
1188 // here define the set color
1189 if (mustProvide("pagecolor")) {
1190 colors << "\\definecolor{page_backgroundcolor}{rgb}{";
1191 colors << outputLaTeXColor(params_.backgroundcolor) << "}\n";
1192 // set the page color
1193 colors << "\\pagecolor{page_backgroundcolor}\n";
1196 if (mustProvide("fontcolor")) {
1197 colors << "\\definecolor{document_fontcolor}{rgb}{";
1198 colors << outputLaTeXColor(params_.fontcolor) << "}\n";
1200 colors << "\\color{document_fontcolor}\n";
1203 if (mustProvide("lyxgreyedout")) {
1204 colors << "\\definecolor{note_fontcolor}{rgb}{";
1205 colors << outputLaTeXColor(params_.notefontcolor) << "}\n";
1206 // the color will be set together with the definition of
1207 // the lyxgreyedout environment (see lyxgreyedout_def)
1210 // color for shaded boxes
1211 if (isRequired("framed") && mustProvide("color")) {
1212 colors << "\\definecolor{shadecolor}{rgb}{";
1213 colors << outputLaTeXColor(params_.boxbgcolor) << "}\n";
1214 // this color is automatically used by the LaTeX-package "framed"
1217 return colors.str();
1221 string const LaTeXFeatures::getPackageOptions() const
1223 ostringstream packageopts;
1224 // Output all the package option stuff we have been asked to do.
1225 for (auto const & p : params_.documentClass().packageOptions())
1226 if (mustProvide(p.first))
1227 packageopts << "\\PassOptionsToPackage{" << p.second << "}"
1228 << "{" << p.first << "}\n";
1229 return packageopts.str();
1233 string const LaTeXFeatures::getPackages() const
1235 ostringstream packages;
1237 // FIXME: currently, we can only load packages and macros known
1239 // However, with the Require tag of layouts/custom insets,
1240 // also unknown packages can be requested. They are silently
1241 // swallowed now. We should change this eventually.
1243 // Simple hooks to add things before or after a given "simple"
1244 // feature. Useful if loading order matters.
1245 map<string, string> before_simplefeature_;
1246 map<string, string> after_simplefeature_;
1248 // Babel languages with activated colon (such as French) break
1249 // with prettyref. Work around that.
1250 if (mustProvide("prettyref") && !runparams_.isFullUnicode()
1251 && useBabel() && contains(getActiveChars(), ':')) {
1252 before_simplefeature_["prettyref"] =
1253 "% Make prettyref compatible with babel active colon\n"
1254 "% (make ':' active in prettyref definitions)\n"
1255 "\\edef\\lyxsavedcolcatcode{\\the\\catcode`\\:}\n"
1257 after_simplefeature_["prettyref"] =
1258 "% restore original catcode for :\n"
1259 "\\catcode`\\:=\\lyxsavedcolcatcode\\relax\n";
1262 // These are all the 'simple' includes. i.e
1263 // packages which we just \usepackage{package}
1264 // potentially preceded and followed by the hook code
1265 for (char const * feature : simplefeatures) {
1266 if (mustProvide(feature)) {
1267 if (before_simplefeature_.find(feature) != before_simplefeature_.end())
1268 packages << before_simplefeature_[feature];
1269 packages << "\\usepackage{" << feature << "}\n";
1270 if (after_simplefeature_.find(feature) != after_simplefeature_.end())
1271 packages << after_simplefeature_[feature];
1275 // The rest of these packages are somewhat more complicated
1276 // than those above.
1278 if (mustProvide("changebar")) {
1279 packages << "\\usepackage";
1280 if (runparams_.flavor == Flavor::LaTeX
1281 || runparams_.flavor == Flavor::DviLuaTeX)
1282 packages << "[dvips]";
1283 packages << "{changebar}\n";
1286 if (mustProvide("footnote")) {
1287 if (isRequired("hyperref"))
1288 packages << "\\usepackage{footnotehyper}\n";
1290 packages << "\\usepackage{footnote}\n";
1293 // [pdf]lscape is used to rotate longtables
1294 if (mustProvide("lscape")) {
1295 if (runparams_.flavor == Flavor::LaTeX
1296 || runparams_.flavor == Flavor::DviLuaTeX)
1297 packages << "\\usepackage{lscape}\n";
1299 packages << "\\usepackage{pdflscape}\n";
1302 // The tipa package and its extensions (tipx, tone) must not
1303 // be loaded with non-TeX fonts, since fontspec includes the
1304 // respective macros
1305 if (mustProvide("tipa") && !params_.useNonTeXFonts)
1306 packages << "\\usepackage{tipa}\n";
1307 if (mustProvide("tipx") && !params_.useNonTeXFonts)
1308 packages << "\\usepackage{tipx}\n";
1309 if (mustProvide("extraipa") && !params_.useNonTeXFonts)
1310 packages << "\\usepackage{extraipa}\n";
1311 if (mustProvide("tone") && !params_.useNonTeXFonts)
1312 packages << "\\usepackage{tone}\n";
1314 // if fontspec or newtxmath is used, AMS packages have to be loaded
1315 // before fontspec (in BufferParams)
1316 string const amsPackages = loadAMSPackages();
1317 bool const ot1 = (runparams().main_fontenc == "default"
1318 || runparams().main_fontenc == "OT1");
1319 bool const use_newtxmath =
1320 theLaTeXFonts().getLaTeXFont(from_ascii(params_.fontsMath())).getUsedPackage(
1321 ot1, false, false) == "newtxmath";
1323 if (!params_.useNonTeXFonts && !use_newtxmath && !amsPackages.empty())
1324 packages << amsPackages;
1326 if (mustProvide("cancel") &&
1327 params_.use_package("cancel") != BufferParams::package_off)
1328 packages << "\\usepackage{cancel}\n";
1330 // marvosym and bbding both define the \Cross macro
1331 if (mustProvide("marvosym")) {
1332 if (mustProvide("bbding"))
1333 packages << "\\let\\Cross\\relax\n";
1334 packages << "\\usepackage{marvosym}\n";
1337 // accents must be loaded after amsmath
1338 if (mustProvide("accents") &&
1339 params_.use_package("accents") != BufferParams::package_off)
1340 packages << "\\usepackage{accents}\n";
1342 // mathdots must be loaded after amsmath
1343 if (mustProvide("mathdots") &&
1344 params_.use_package("mathdots") != BufferParams::package_off)
1345 packages << "\\usepackage{mathdots}\n";
1347 // yhmath must be loaded after amsmath
1348 if (mustProvide("yhmath") &&
1349 params_.use_package("yhmath") != BufferParams::package_off)
1350 packages << "\\usepackage{yhmath}\n";
1352 // stmaryrd must be loaded after amsmath
1353 if (mustProvide("stmaryrd") &&
1354 params_.use_package("stmaryrd") != BufferParams::package_off)
1355 packages << "\\usepackage{stmaryrd}\n";
1357 if (mustProvide("stackrel") &&
1358 params_.use_package("stackrel") != BufferParams::package_off)
1359 packages << "\\usepackage{stackrel}\n";
1361 if (mustProvide("undertilde") &&
1362 params_.use_package("undertilde") != BufferParams::package_off)
1363 packages << "\\usepackage{undertilde}\n";
1365 // [x]color is handled in getColorOptions() above
1368 if (isRequired("makeidx") || isRequired("splitidx")) {
1369 if (!isProvided("makeidx") && !isRequired("splitidx"))
1370 packages << "\\usepackage{makeidx}\n";
1371 if (mustProvide("splitidx"))
1372 packages << "\\usepackage{splitidx}\n";
1373 packages << "\\makeindex\n";
1377 if (mustProvide("graphicx") && params_.graphics_driver != "none") {
1378 if (params_.graphics_driver == "default")
1379 packages << "\\usepackage{graphicx}\n";
1381 packages << "\\usepackage["
1382 << params_.graphics_driver
1386 // These must be loaded after graphicx, since they try
1387 // to load graphicx without options
1388 if (mustProvide("rotating"))
1389 packages << "\\usepackage{rotating}\n";
1390 if (mustProvide("rotfloat"))
1391 packages << "\\usepackage{rotfloat}\n";
1392 // and this must be loaded after rotating
1393 if (mustProvide("tablefootnote"))
1394 packages << "\\usepackage{tablefootnote}\n";
1396 // lyxskak.sty --- newer chess support based on skak.sty
1397 if (mustProvide("chess"))
1398 packages << "\\usepackage[ps,mover]{lyxskak}\n";
1401 if (mustProvide("setspace") && !isProvided("SetSpace"))
1402 packages << "\\usepackage{setspace}\n";
1404 // we need to assure that mhchem is loaded before esint and every other
1405 // package that redefines command of amsmath because mhchem loads amlatex
1406 // (this info is from the author of mhchem from June 2013)
1407 if (mustProvide("mhchem") &&
1408 params_.use_package("mhchem") != BufferParams::package_off)
1409 packages << "\\PassOptionsToPackage{version=3}{mhchem}\n"
1410 "\\usepackage{mhchem}\n";
1412 // wasysym is a simple feature, but it must be after amsmath if both
1414 // wasysym redefines some integrals (e.g. iint) from amsmath. That
1415 // leads to inconsistent integrals. We only load this package if
1416 // the document does not contain integrals (then isRequired("esint")
1417 // is false) or if esint is used, since esint redefines all relevant
1418 // integral symbols from wasysym and amsmath.
1419 // See http://www.lyx.org/trac/ticket/1942
1420 if (mustProvide("wasysym") &&
1421 params_.use_package("wasysym") != BufferParams::package_off &&
1422 (params_.use_package("esint") != BufferParams::package_off || !isRequired("esint")))
1423 packages << "\\usepackage{wasysym}\n";
1425 // esint must be after amsmath (and packages requiring amsmath, like mhchem)
1426 // and wasysym, since it will redeclare inconsistent integral symbols
1427 if (mustProvide("esint") &&
1428 params_.use_package("esint") != BufferParams::package_off)
1429 packages << "\\usepackage{esint}\n";
1431 // Known bibliography packages (simple \usepackage{package})
1432 for (char const * feature : bibliofeatures) {
1433 if (mustProvide(feature))
1434 packages << "\\usepackage{" << feature << "}\n";
1437 // Compatibility between achicago and natbib
1438 if (mustProvide("achicago") && mustProvide("natbib"))
1439 packages << "\\let\\achicagobib\\thebibliography\n";
1442 // Some classes load natbib themselves, but still allow (or even require)
1443 // plain numeric citations (ReVTeX is such a case, see bug 5182).
1444 // This special case is indicated by the "natbib-internal" key.
1445 if (mustProvide("natbib")
1446 && !isProvided("natbib-internal")
1447 && !isProvided("biblatex")
1448 && !isProvided("biblatex-natbib")
1449 && !isProvided("jurabib")) {
1450 packages << "\\usepackage[";
1451 if (params_.citeEngineType() == ENGINE_TYPE_NUMERICAL)
1452 packages << "numbers";
1454 packages << "authoryear";
1455 if (!params_.biblio_opts.empty())
1456 packages << ',' << params_.biblio_opts;
1457 packages << "]{natbib}\n";
1460 // Compatibility between achicago and natbib
1461 if (mustProvide("achicago") && mustProvide("natbib")) {
1462 packages << "\\let\\thebibliography\\achicagobib\n";
1463 packages << "\\let\\SCcite\\astroncite\n";
1464 packages << "\\let\\UnexpandableProtect\\protect\n";
1467 // jurabib -- we need version 0.6 at least.
1468 if (mustProvide("jurabib")
1469 && !isProvided("natbib-internal")
1470 && !isProvided("natbib")
1471 && !isProvided("biblatex")
1472 && !isProvided("biblatex-natbib")) {
1473 packages << "\\usepackage";
1474 if (!params_.biblio_opts.empty())
1475 packages << '[' << params_.biblio_opts << ']';
1476 packages << "{jurabib}[2004/01/25]\n";
1479 // opcit -- we pass custombst as we output \bibliographystyle ourselves
1480 if (mustProvide("opcit")) {
1481 if (isRequired("hyperref"))
1482 packages << "\\usepackage[custombst,hyperref]{opcit}\n";
1484 packages << "\\usepackage[custombst]{opcit}\n";
1487 // xargs -- we need version 1.09 at least
1488 if (mustProvide("xargs"))
1489 packages << "\\usepackage{xargs}[2008/03/08]\n";
1491 if (mustProvide("xy"))
1492 packages << "\\usepackage[all]{xy}\n";
1494 if (mustProvide("feyn"))
1495 packages << "\\usepackage{feyn}\n"; //Diagram
1497 if (mustProvide("ulem"))
1498 packages << "\\PassOptionsToPackage{normalem}{ulem}\n"
1499 "\\usepackage{ulem}\n";
1501 if (mustProvide("nomencl")) {
1502 packages << "\\usepackage{nomencl}\n";
1503 // Make it work with the new and old version of the package,
1504 // but don't use the compatibility option since it is
1505 // incompatible to other packages.
1506 if (!LaTeXFeatures::isAvailableAtLeastFrom("nomencl", 2005, 3, 31)) {
1507 packages << "% Needed with nomencl < v4.1\n"
1508 "\\providecommand{\\printnomenclature}{\\printglossary}\n"
1509 "\\providecommand{\\makenomenclature}{\\makeglossary}\n";
1511 packages << "\\makenomenclature\n";
1514 // fixltx2e provides subscript
1515 if (mustProvide("subscript") && !isRequired("fixltx2e")
1516 && !isAvailableAtLeastFrom("LaTeX", 2005, 12))
1517 packages << "\\usepackage{subscript}\n";
1519 // footmisc must be loaded after setspace
1520 // Set options here, load the package after the user preamble to
1521 // avoid problems with manual loaded footmisc.
1522 if (mustProvide("footmisc"))
1523 packages << "\\PassOptionsToPackage{stable}{footmisc}\n";
1525 if (mustProvide("microtype")){
1526 packages << "\\usepackage{microtype}\n";
1529 return packages.str();
1533 TexString LaTeXFeatures::getMacros() const
1535 otexstringstream macros;
1537 if (!preamble_snippets_.empty()) {
1539 macros << getPreambleSnippets();
1542 if (mustProvide("xetexdashbreakstate"))
1543 macros << "\\XeTeXdashbreakstate 0" << '\n';
1545 if (mustProvide("papersize")) {
1546 if (runparams_.flavor == Flavor::LaTeX
1547 || runparams_.flavor == Flavor::DviLuaTeX)
1548 macros << papersizedvi_def << '\n';
1549 else if (runparams_.flavor == Flavor::LuaTeX)
1550 macros << papersizepdflua_def << '\n';
1552 macros << papersizepdf_def << '\n';
1555 if (mustProvide("LyX")) {
1556 macros << "\\providecommand{\\LyX}";
1557 // open conditional wrappers
1558 if (runparams_.use_polyglossia && hasRTLLanguage())
1559 macros << "{\\@ensure@LTR";
1560 if (isRequired("hyperref"))
1561 macros << "{\\texorpdfstring";
1563 macros << "{\\ensureascii";
1566 // close conditional wrappers
1569 if (isRequired("hyperref"))
1571 if (runparams_.use_polyglossia && hasRTLLanguage())
1576 if (mustProvide("noun"))
1577 macros << noun_def << '\n';
1579 if (mustProvide("lyxarrow"))
1580 macros << lyxarrow_def << '\n';
1582 if (mustProvide("aastex_case"))
1583 macros << aastex_case_def << '\n';
1585 if (mustProvide("lyxzerowidthspace"))
1586 macros << lyxZWSP_def << '\n';
1588 if (!usePolyglossia() && mustProvide("textgreek")) {
1589 // ensure LGR font encoding is defined also if fontenc is not loaded by LyX
1590 if (runparams().main_fontenc == "default")
1591 macros << textgreek_LGR_def;
1592 macros << textgreek_def << '\n';
1595 if (!usePolyglossia() && mustProvide("textcyrillic")) {
1596 // ensure T2A font encoding is set up also if fontenc is not loaded by LyX
1597 if (runparams().main_fontenc == "default")
1598 macros << textcyr_T2A_def;
1599 macros << textcyr_def << '\n';
1602 // non-standard text accents:
1603 if (mustProvide("textcommaabove") || mustProvide("textcommaaboveright") ||
1604 mustProvide("textcommabelow") || mustProvide("textbaltic"))
1605 macros << lyxaccent_def;
1607 if (mustProvide("textcommabelow") || mustProvide("textbaltic"))
1608 macros << textcommabelow_def << '\n';
1610 if (mustProvide("textcommaabove") || mustProvide("textbaltic"))
1611 macros << textcommaabove_def << '\n';
1613 if (mustProvide("textcommaaboveright"))
1614 macros << textcommaaboveright_def << '\n';
1616 if (mustProvide("textbaltic"))
1617 macros << textbaltic_def << '\n';
1619 if (mustProvide("textschwa"))
1620 macros << textschwa_def << '\n';
1622 // split-level fractions
1623 if (mustProvide("xfrac") || mustProvide("smallLetterFrac"))
1624 macros << xfrac_def << '\n';
1626 if (mustProvide("smallLetterFrac"))
1627 macros << smallLetterFrac_def << '\n';
1629 if (mustProvide("lyxmathsym"))
1630 macros << lyxmathsym_def << '\n';
1632 if (mustProvide("cedilla"))
1633 macros << cedilla_def << '\n';
1635 if (mustProvide("subring"))
1636 macros << subring_def << '\n';
1638 if (mustProvide("subdot"))
1639 macros << subdot_def << '\n';
1641 if (mustProvide("subhat"))
1642 macros << subhat_def << '\n';
1644 if (mustProvide("subtilde"))
1645 macros << subtilde_def << '\n';
1647 if (mustProvide("dacute"))
1648 macros << dacute_def << '\n';
1650 if (mustProvide("tipasymb"))
1651 macros << tipasymb_def << '\n';
1653 if (mustProvide("dgrave"))
1654 macros << dgrave_def << '\n';
1656 if (mustProvide("rcap"))
1657 macros << rcap_def << '\n';
1659 if (mustProvide("ogonek"))
1660 macros << ogonek_def << '\n';
1663 if (mustProvide("quotesinglbase"))
1664 macros << quotesinglbase_def << '\n';
1665 if (mustProvide("quotedblbase"))
1666 macros << quotedblbase_def << '\n';
1667 if (mustProvide("guilsinglleft"))
1668 macros << guilsinglleft_def << '\n';
1669 if (mustProvide("guilsinglright"))
1670 macros << guilsinglright_def << '\n';
1671 if (mustProvide("guillemotleft"))
1672 macros << guillemotleft_def << '\n';
1673 if (mustProvide("guillemotright"))
1674 macros << guillemotright_def << '\n';
1675 if (mustProvide("textquotedbl"))
1676 macros << textquotedbl_def << '\n';
1677 if (mustProvide("textquotesinglep")) {
1678 if (runparams_.flavor == Flavor::XeTeX)
1679 macros << textquotesinglep_xetex_def << '\n';
1681 macros << textquotesinglep_luatex_def << '\n';
1683 if (mustProvide("textquotedblp")) {
1684 if (runparams_.flavor == Flavor::XeTeX)
1685 macros << textquotedblp_xetex_def << '\n';
1687 macros << textquotedblp_luatex_def << '\n';
1691 if (mustProvide("binom") && !isRequired("amsmath"))
1692 macros << binom_def << '\n';
1693 if (mustProvide("mathcircumflex"))
1694 macros << mathcircumflex_def << '\n';
1697 if (mustProvide("ParagraphLeftIndent"))
1698 macros << paragraphleftindent_def;
1699 if (mustProvide("NeedLyXFootnoteCode"))
1700 macros << floatingfootnote_def;
1702 // some problems with tex->html converters
1703 if (mustProvide("NeedTabularnewline"))
1704 macros << tabularnewline_def;
1706 if (mustProvide("cellvarwidth"))
1707 macros << cellvarwidth_def;
1709 // greyed-out environment (note inset)
1710 // the color is specified in the routine
1711 // getColorOptions() to avoid LaTeX-package clashes
1712 if (mustProvide("lyxgreyedout"))
1713 // We need different version with change tracking (#12025)
1714 macros << lyxgreyedoutDef(mustProvide("ct-xcolor-ulem"));
1716 if (mustProvide("lyxdot"))
1717 macros << lyxdot_def << '\n';
1720 getFloatDefinitions(macros);
1722 if (mustProvide("refstyle"))
1723 macros << lyxref_def << '\n';
1726 if (mustProvide("ct-xcolor-ulem")) {
1727 streamsize const prec = macros.os().precision(2);
1729 RGBColor cadd = rgbFromHexName(lcolor.getX11HexName(Color_addedtext_output));
1730 macros << "\\providecolor{lyxadded}{rgb}{"
1731 << cadd.r / 255.0 << ',' << cadd.g / 255.0 << ',' << cadd.b / 255.0 << "}\n";
1733 RGBColor cdel = rgbFromHexName(lcolor.getX11HexName(Color_deletedtext_output));
1734 macros << "\\providecolor{lyxdeleted}{rgb}{"
1735 << cdel.r / 255.0 << ',' << cdel.g / 255.0 << ',' << cdel.b / 255.0 << "}\n";
1737 macros.os().precision(prec);
1739 macros << changetracking_xcolor_ulem_base_def;
1741 if (isRequired("changebar")) {
1742 if (isRequired("hyperref"))
1743 macros << changetracking_xcolor_ulem_hyperref_cb_def;
1745 macros << changetracking_xcolor_ulem_cb_def;
1747 if (isRequired("hyperref"))
1748 macros << changetracking_xcolor_ulem_hyperref_def;
1750 macros << changetracking_xcolor_ulem_def;
1754 if (mustProvide("ct-tikz-object-sout")) {
1755 if (!mustProvide("ct-xcolor-ulem")) {
1756 streamsize const prec = macros.os().precision(2);
1758 RGBColor cadd = rgbFromHexName(lcolor.getX11HexName(Color_addedtext_output));
1759 macros << "\\providecolor{lyxadded}{rgb}{"
1760 << cadd.r / 255.0 << ',' << cadd.g / 255.0 << ',' << cadd.b / 255.0 << "}\n";
1762 RGBColor cdel = rgbFromHexName(lcolor.getX11HexName(Color_deletedtext_output));
1763 macros << "\\providecolor{lyxdeleted}{rgb}{"
1764 << cdel.r / 255.0 << ',' << cdel.g / 255.0 << ',' << cdel.b / 255.0 << "}\n";
1766 macros.os().precision(prec);
1769 macros << changetracking_tikz_object_sout_def;
1771 if (isRequired("changebar")) {
1772 if (isRequired("hyperref"))
1773 macros << changetracking_xcolor_ulem_hyperref_cb_object_def;
1775 macros << changetracking_xcolor_ulem_cb_object_def;
1777 if (isRequired("hyperref"))
1778 macros << changetracking_xcolor_ulem_hyperref_object_def;
1780 macros << changetracking_xcolor_ulem_object_def;
1784 if (mustProvide("ct-none"))
1785 macros << changetracking_none_def;
1787 if (mustProvide("rtloutputdblcol"))
1788 macros << rtloutputdblcol_def;
1790 if (mustProvide("lyxmintcaption"))
1791 macros << lyxmintcaption_def;
1793 return macros.release();
1797 docstring const LaTeXFeatures::getBabelPresettings() const
1799 odocstringstream tmp;
1801 for (auto const & lang : UsedLanguages_)
1802 if (!lang->babel_presettings().empty())
1803 tmp << lang->babel_presettings() << '\n';
1804 if (!params_.language->babel_presettings().empty())
1805 tmp << params_.language->babel_presettings() << '\n';
1807 if (!contains(tmp.str(), '@'))
1810 return "\\makeatletter\n" + tmp.str() + "\\makeatother\n";
1814 docstring const LaTeXFeatures::getBabelPostsettings() const
1816 odocstringstream tmp;
1818 for (auto const & lang : UsedLanguages_)
1819 if (!lang->babel_postsettings().empty())
1820 tmp << lang->babel_postsettings() << '\n';
1821 if (!params_.language->babel_postsettings().empty())
1822 tmp << params_.language->babel_postsettings() << '\n';
1824 if (!contains(tmp.str(), '@'))
1827 return "\\makeatletter\n" + tmp.str() + "\\makeatother\n";
1831 string const LaTeXFeatures::loadAMSPackages() const
1835 if (mustProvide("amsmath")
1836 && params_.use_package("amsmath") != BufferParams::package_off) {
1837 tmp << "\\usepackage{amsmath}\n";
1839 // amsbsy and amstext are already provided by amsmath
1840 if (mustProvide("amsbsy"))
1841 tmp << "\\usepackage{amsbsy}\n";
1842 if (mustProvide("amstext"))
1843 tmp << "\\usepackage{amstext}\n";
1846 if (mustProvide("amsthm"))
1847 tmp << "\\usepackage{amsthm}\n";
1849 if (mustProvide("amssymb")
1850 && params_.use_package("amssymb") != BufferParams::package_off)
1851 tmp << "\\usepackage{amssymb}\n";
1857 docstring const LaTeXFeatures::getTClassPreamble() const
1859 // the text class specific preamble
1860 DocumentClass const & tclass = params_.documentClass();
1861 odocstringstream tcpreamble;
1863 tcpreamble << tclass.preamble();
1865 list<docstring>::const_iterator cit = usedLayouts_.begin();
1866 list<docstring>::const_iterator end = usedLayouts_.end();
1867 for (; cit != end; ++cit)
1868 // For InPreamble layouts, we output the preamble stuff earlier
1869 // (before the layouts). See Paragraph::Private::validate.
1870 if (!tclass[*cit].inpreamble)
1871 tcpreamble << tclass[*cit].preamble();
1873 cit = usedInsetLayouts_.begin();
1874 end = usedInsetLayouts_.end();
1875 TextClass::InsetLayouts const & ils = tclass.insetLayouts();
1876 for (; cit != end; ++cit) {
1877 TextClass::InsetLayouts::const_iterator it = ils.find(*cit);
1878 if (it == ils.end())
1880 tcpreamble << it->second.preamble();
1883 return tcpreamble.str();
1887 docstring const LaTeXFeatures::getTClassHTMLPreamble() const
1889 DocumentClass const & tclass = params_.documentClass();
1890 odocstringstream tcpreamble;
1892 tcpreamble << tclass.htmlpreamble();
1894 list<docstring>::const_iterator cit = usedLayouts_.begin();
1895 list<docstring>::const_iterator end = usedLayouts_.end();
1896 for (; cit != end; ++cit)
1897 tcpreamble << tclass[*cit].htmlpreamble();
1899 cit = usedInsetLayouts_.begin();
1900 end = usedInsetLayouts_.end();
1901 TextClass::InsetLayouts const & ils = tclass.insetLayouts();
1902 for (; cit != end; ++cit) {
1903 TextClass::InsetLayouts::const_iterator it = ils.find(*cit);
1904 if (it == ils.end())
1906 tcpreamble << it->second.htmlpreamble();
1909 return tcpreamble.str();
1913 docstring const LaTeXFeatures::getTClassHTMLStyles() const
1915 DocumentClass const & tclass = params_.documentClass();
1916 odocstringstream tcpreamble;
1918 if (mustProvide("noun"))
1919 tcpreamble << lyxnoun_style;
1920 // this isn't exact, but it won't hurt that much if it
1922 if (mustProvide("ulem"))
1923 tcpreamble << lyxstrikeout_style;
1925 tcpreamble << tclass.htmlstyles();
1927 for (auto const & c : usedLayouts_)
1928 tcpreamble << tclass[c].htmlstyle();
1930 TextClass::InsetLayouts const & ils = tclass.insetLayouts();
1931 for (auto const & c : usedInsetLayouts_) {
1932 TextClass::InsetLayouts::const_iterator it = ils.find(c);
1933 if (it == ils.end())
1935 tcpreamble << it->second.htmlstyle();
1938 return tcpreamble.str();
1944 docstring const getFloatI18nPreamble(docstring const & type,
1945 docstring const & name, Language const * lang,
1946 Encoding const & enc, bool const polyglossia)
1948 // Check whether name can be encoded in the buffer encoding
1949 bool encodable = true;
1950 for (char_type c : name) {
1951 if (!enc.encodable(c)) {
1957 docstring const language = polyglossia ? from_ascii(lang->polyglossia())
1958 : from_ascii(lang->babel());
1959 docstring const langenc = from_ascii(lang->encoding()->iconvName());
1960 docstring const texenc = from_ascii(lang->encoding()->latexName());
1961 docstring const bufenc = from_ascii(enc.iconvName());
1962 docstring const s1 = docstring(1, 0xF0000);
1963 docstring const s2 = docstring(1, 0xF0001);
1964 docstring const translated = encodable ? name
1965 : from_ascii("\\inputencoding{") + texenc + from_ascii("}")
1966 + s1 + langenc + s2 + name + s1 + bufenc + s2;
1968 odocstringstream os;
1969 os << "\\addto\\captions" << language
1970 << "{\\renewcommand{\\" << type << "name}{" << translated << "}}\n";
1975 docstring const i18npreamble(docstring const & templ, Language const * lang,
1976 Encoding const & enc, bool const polyglossia,
1977 bool const need_fixedwidth)
1982 string preamble = polyglossia ?
1983 subst(to_utf8(templ), "$$lang", lang->polyglossia()) :
1984 subst(to_utf8(templ), "$$lang", lang->babel());
1986 string const langenc = lang->encoding()->iconvName();
1987 string const texenc = lang->encoding()->latexName();
1988 string const bufenc = enc.iconvName();
1989 Encoding const * testenc(&enc);
1990 bool lang_fallback = false;
1991 bool ascii_fallback = false;
1992 if (need_fixedwidth && !enc.hasFixedWidth()) {
1993 if (lang->encoding()->hasFixedWidth()) {
1994 testenc = lang->encoding();
1995 lang_fallback = true;
1997 // We need a fixed width encoding, but both the buffer
1998 // encoding and the language encoding are variable
1999 // width. As a last fallback, try to convert to pure
2000 // ASCII using the LaTeX commands defined in unicodesymbols.
2001 testenc = encodings.fromLyXName("ascii");
2004 ascii_fallback = true;
2007 // First and second character of plane 15 (Private Use Area)
2008 string const s1 = "\xf3\xb0\x80\x80"; // U+F0000
2009 string const s2 = "\xf3\xb0\x80\x81"; // U+F0001
2011 // lyx::regex is not unicode-safe.
2012 // Should use QRegExp or (boost::u32regex, but that requires ICU)
2013 static regex const reg("_\\(([^\\)]+)\\)");
2015 while (regex_search(preamble, sub, reg)) {
2016 string const key = sub.str(1);
2017 docstring const name = lang->translateLayout(key);
2018 // Check whether name can be encoded in the buffer encoding
2019 bool encodable = true;
2020 for (size_t i = 0; i < name.size() && encodable; ++i)
2021 if (!testenc->encodable(name[i]))
2024 if (encodable && !lang_fallback)
2025 translated = to_utf8(name);
2026 else if (ascii_fallback)
2027 translated = to_ascii(testenc->latexString(name).first);
2029 translated = "\\inputencoding{" + texenc + "}"
2030 + s1 + langenc + s2 + to_utf8(name)
2032 preamble = subst(preamble, sub.str(), translated);
2034 return from_utf8(preamble);
2040 docstring const LaTeXFeatures::getTClassI18nPreamble(bool use_babel,
2041 bool use_polyglossia, bool use_minted) const
2043 DocumentClass const & tclass = params_.documentClass();
2044 // collect preamble snippets in a set to prevent multiple identical
2045 // commands (would happen if e.g. both theorem and theorem* are used)
2046 set<docstring> snippets;
2047 typedef LanguageList::const_iterator lang_it;
2048 lang_it const lbeg = UsedLanguages_.begin();
2049 lang_it const lend = UsedLanguages_.end();
2050 list<docstring>::const_iterator cit = usedLayouts_.begin();
2051 list<docstring>::const_iterator end = usedLayouts_.end();
2052 for (; cit != end; ++cit) {
2053 // language dependent commands (once per document)
2054 snippets.insert(i18npreamble(tclass[*cit].langpreamble(),
2055 buffer().language(),
2056 buffer().params().encoding(),
2057 use_polyglossia, false));
2058 // commands for language changing (for multilanguage documents)
2059 if ((use_babel || use_polyglossia) && !UsedLanguages_.empty()) {
2060 snippets.insert(i18npreamble(
2061 tclass[*cit].babelpreamble(),
2062 buffer().language(),
2063 buffer().params().encoding(),
2064 use_polyglossia, false));
2065 for (lang_it lit = lbeg; lit != lend; ++lit)
2066 snippets.insert(i18npreamble(
2067 tclass[*cit].babelpreamble(),
2069 buffer().params().encoding(),
2070 use_polyglossia, false));
2073 if ((use_babel || use_polyglossia) && !UsedLanguages_.empty()) {
2074 FloatList const & floats = params_.documentClass().floats();
2075 UsedFloats::const_iterator fit = usedFloats_.begin();
2076 UsedFloats::const_iterator fend = usedFloats_.end();
2077 for (; fit != fend; ++fit) {
2078 Floating const & fl = floats.getType(fit->first);
2079 // we assume builtin floats are translated
2080 if (fl.isPredefined())
2082 docstring const type = from_ascii(fl.floattype());
2083 docstring const flname = from_utf8(fl.name());
2084 docstring name = buffer().language()->translateLayout(fl.name());
2085 // only request translation if we have a real translation
2086 // (that differs from the source)
2088 snippets.insert(getFloatI18nPreamble(
2089 type, name, buffer().language(),
2090 buffer().params().encoding(),
2092 for (lang_it lit = lbeg; lit != lend; ++lit) {
2093 string const code = (*lit)->code();
2094 name = (*lit)->translateLayout(fl.name());
2095 // we assume we have a suitable translation if
2096 // either the language is English (we need to
2097 // translate into English if English is a secondary
2098 // language) or if translateIfPossible returns
2099 // something different to the English source.
2100 bool const have_translation =
2101 (flname != name || contains(code, "en"));
2102 if (have_translation)
2103 snippets.insert(getFloatI18nPreamble(
2105 buffer().params().encoding(),
2111 cit = usedInsetLayouts_.begin();
2112 end = usedInsetLayouts_.end();
2113 TextClass::InsetLayouts const & ils = tclass.insetLayouts();
2114 for (; cit != end; ++cit) {
2115 TextClass::InsetLayouts::const_iterator it = ils.find(*cit);
2116 if (it == ils.end())
2118 // The listings package does not work with variable width
2119 // encodings, only with fixed width encodings. Therefore we
2120 // need to force a fixed width encoding for
2121 // \lstlistlistingname and \lstlistingname (bug 9382).
2122 // This needs to be consistent with InsetListings::latex()
2123 // rsp. InsetListings::forcedEncoding().
2124 bool const need_fixedwidth = !use_minted &&
2125 !runparams_.isFullUnicode() &&
2126 buffer().params().encoding().package() != Encoding::japanese &&
2127 it->second.fixedwidthpreambleencoding();
2128 // language dependent commands (once per document)
2129 snippets.insert(i18npreamble(it->second.langpreamble(),
2130 buffer().language(),
2131 buffer().params().encoding(),
2132 use_polyglossia, need_fixedwidth));
2133 // commands for language changing (for multilanguage documents)
2134 if ((use_babel || use_polyglossia) && !UsedLanguages_.empty()) {
2135 snippets.insert(i18npreamble(
2136 it->second.babelpreamble(),
2137 buffer().language(),
2138 buffer().params().encoding(),
2139 use_polyglossia, need_fixedwidth));
2140 for (lang_it lit = lbeg; lit != lend; ++lit)
2141 snippets.insert(i18npreamble(
2142 it->second.babelpreamble(),
2144 buffer().params().encoding(),
2145 use_polyglossia, need_fixedwidth));
2149 odocstringstream tcpreamble;
2150 set<docstring>::const_iterator const send = snippets.end();
2151 set<docstring>::const_iterator it = snippets.begin();
2152 for (; it != send; ++it)
2154 return tcpreamble.str();
2158 void LaTeXFeatures::showStruct() const
2160 lyxerr << "LyX needs the following commands when LaTeXing:"
2161 << "\n***** Packages:" << getPackages()
2162 << "\n***** Macros:" << to_utf8(getMacros().str)
2163 << "\n***** Textclass stuff:" << to_utf8(getTClassPreamble())
2164 << "\n***** done." << endl;
2168 Buffer const & LaTeXFeatures::buffer() const
2174 void LaTeXFeatures::setBuffer(Buffer const & buffer)
2180 BufferParams const & LaTeXFeatures::bufferParams() const
2186 void LaTeXFeatures::getFloatDefinitions(otexstream & os) const
2188 FloatList const & floats = params_.documentClass().floats();
2190 // Here we will output the code to create the needed float styles.
2191 // We will try to do this as minimal as possible.
2192 // \floatstyle{ruled}
2193 // \newfloat{algorithm}{htbp}{loa}
2194 // \providecommand{\algorithmname}{Algorithm}
2195 // \floatname{algorithm}{\protect\algorithmname}
2196 for (auto const & cit : usedFloats_) {
2197 Floating const & fl = floats.getType(cit.first);
2199 // For builtin floats we do nothing.
2200 if (fl.isPredefined())
2203 // We have to special case "table" and "figure"
2204 if (fl.floattype() == "tabular" || fl.floattype() == "figure") {
2205 // Output code to modify "table" or "figure"
2206 // but only if builtin == false
2207 // and that have to be true at this point in the
2209 docstring const type = from_ascii(fl.floattype());
2210 docstring const placement = from_ascii(fl.placement());
2211 docstring const style = from_ascii(fl.style());
2212 if (!style.empty()) {
2213 os << "\\floatstyle{" << style << "}\n"
2214 << "\\restylefloat{" << type << "}\n";
2216 if (!placement.empty()) {
2217 os << "\\floatplacement{" << type << "}{"
2218 << placement << "}\n";
2221 // The other non builtin floats.
2223 docstring const type = from_ascii(fl.floattype());
2224 docstring const placement = from_ascii(fl.placement());
2225 docstring const ext = from_ascii(fl.ext());
2226 docstring const within = from_ascii(fl.within());
2227 docstring const style = from_ascii(fl.style());
2228 docstring const name =
2229 buffer().language()->translateLayout(fl.name());
2230 os << "\\floatstyle{" << style << "}\n"
2231 << "\\newfloat{" << type << "}{" << placement
2232 << "}{" << ext << '}';
2233 if (!within.empty())
2234 os << '[' << within << ']';
2236 << "\\providecommand{\\" << type << "name}{"
2238 << "\\floatname{" << type << "}{\\protect\\"
2239 << type << "name}\n";
2241 // What missing here is to code to minimalize the code
2242 // output so that the same floatstyle will not be
2243 // used several times, when the same style is still in
2247 // The subfig package is loaded later
2248 os << "\n\\AtBeginDocument{\\newsubfloat{" << from_ascii(fl.floattype()) << "}}\n";
2253 void LaTeXFeatures::resolveAlternatives()
2255 for (Features::iterator it = features_.begin(); it != features_.end();) {
2256 if (contains(*it, '|')) {
2257 vector<string> const alternatives = getVectorFromString(*it, "|");
2258 vector<string>::const_iterator const end = alternatives.end();
2259 vector<string>::const_iterator ita = alternatives.begin();
2260 // Is any alternative already required? => use that
2261 for (; ita != end; ++ita) {
2262 if (isRequired(*ita))
2265 // Is any alternative available? => use the first one
2268 for (ita = alternatives.begin(); ita != end; ++ita) {
2269 if (isAvailable(*ita)) {
2275 // This will not work, but not requiring something
2276 // would be more confusing
2278 require(alternatives.front());
2279 features_.erase(it);
2280 it = features_.begin();
2287 void LaTeXFeatures::expandMultiples()
2289 for (Features::iterator it = features_.begin(); it != features_.end();) {
2290 if (contains(*it, ',')) {
2291 // Do nothing if any multiple is already required
2292 for (string const & pkg : getVectorFromString(*it, ",")) {
2293 if (!isRequired(pkg))
2296 features_.erase(it);
2297 it = features_.begin();