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lyx_mirror/src/LaTeXFeatures.cpp
Juergen Spitzmueller b14d9186bb Amend 7d52d37662 
\@ifundefined is an If-Then-ELSE construct.
2016-09-04 17:43:51 +02:00

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/**
* \file LaTeXFeatures.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author José Matos
* \author Lars Gullik Bjønnes
* \author Jean-Marc Lasgouttes
* \author Jürgen Vigna
* \author André Pönitz
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "LaTeXFeatures.h"
#include "Buffer.h"
#include "BufferParams.h"
#include "ColorSet.h"
#include "Converter.h"
#include "Encoding.h"
#include "Floating.h"
#include "FloatList.h"
#include "Language.h"
#include "LaTeXFonts.h"
#include "LaTeXPackages.h"
#include "Layout.h"
#include "Lexer.h"
#include "LyXRC.h"
#include "TextClass.h"
#include "insets/InsetLayout.h"
#include "support/debug.h"
#include "support/docstream.h"
#include "support/FileName.h"
#include "support/filetools.h"
#include "support/gettext.h"
#include "support/lstrings.h"
#include "support/regex.h"
#include <algorithm>
using namespace std;
using namespace lyx::support;
namespace lyx {
/////////////////////////////////////////////////////////////////////
//
// Strings
//
/////////////////////////////////////////////////////////////////////
//\NeedsTeXFormat{LaTeX2e}
//\ProvidesPackage{lyx}[1996/01/11 LLE v0.2 (LyX LaTeX Extensions)]
//\message{LyX LaTeX Extensions (LLE v0.2) of 11-Jan-1996.}
static docstring const lyx_def = from_ascii(
"\\providecommand{\\LyX}{L\\kern-.1667em\\lower.25em\\hbox{Y}\\kern-.125emX\\@}");
static docstring const lyx_hyperref_def = from_ascii(
"\\providecommand{\\LyX}{\\texorpdfstring%\n"
" {L\\kern-.1667em\\lower.25em\\hbox{Y}\\kern-.125emX\\@}\n"
" {LyX}}");
static docstring const noun_def = from_ascii(
"\\newcommand{\\noun}[1]{\\textsc{#1}}");
static docstring const lyxarrow_def = from_ascii(
"\\DeclareRobustCommand*{\\lyxarrow}{%\n"
"\\@ifstar\n"
"{\\leavevmode\\,$\\triangleleft$\\,\\allowbreak}\n"
"{\\leavevmode\\,$\\triangleright$\\,\\allowbreak}}");
// for quotes without babel. This does not give perfect results, but
// anybody serious about non-english quotes should use babel (JMarc).
static docstring const quotedblbase_def = from_ascii(
"\\ProvideTextCommandDefault{\\quotedblbase}{%\n"
" \\raisebox{-1.4ex}[1ex][.5ex]{\\textquotedblright}%\n"
" \\penalty10000\\hskip0em\\relax%\n"
"}");
static docstring const quotesinglbase_def = from_ascii(
"\\ProvideTextCommandDefault{\\quotesinglbase}{%\n"
" \\raisebox{-1.4ex}[1ex][.5ex]{\\textquoteright}%\n"
" \\penalty10000\\hskip0em\\relax%\n"
"}");
static docstring const guillemotleft_def = from_ascii(
"\\ProvideTextCommandDefault{\\guillemotleft}{%\n"
" {\\usefont{U}{lasy}{m}{n}\\char'50\\kern-.15em\\char'50}%\n"
"\\penalty10000\\hskip0pt\\relax%\n"
"}");
static docstring const guillemotright_def = from_ascii(
"\\ProvideTextCommandDefault{\\guillemotright}{%\n"
" \\penalty10000\\hskip0pt%\n"
" {\\usefont{U}{lasy}{m}{n}\\char'51\\kern-.15em\\char'51}%\n"
"}");
static docstring const guilsinglleft_def = from_ascii(
"\\ProvideTextCommandDefault{\\guilsinglleft}{%\n"
" {\\usefont{U}{lasy}{m}{n}\\char'50}%\n"
" \\penalty10000\\hskip0pt\\relax%\n"
"}");
static docstring const guilsinglright_def = from_ascii(
"\\ProvideTextCommandDefault{\\guilsinglright}{%\n"
" \\penalty10000\\hskip0pt%\n"
" {\\usefont{U}{lasy}{m}{n}\\char'51}%\n"
"}");
static docstring const paragraphleftindent_def = from_ascii(
"\\newenvironment{LyXParagraphLeftIndent}[1]%\n"
"{\n"
" \\begin{list}{}{%\n"
" \\setlength{\\topsep}{0pt}%\n"
" \\addtolength{\\leftmargin}{#1}\n"
// ho hum, yet more things commented out with no hint as to why they
// weren't just removed
// "%% \\addtolength{\\leftmargin}{#1\\textwidth}\n"
// "%% \\setlength{\\textwidth}{#2\\textwidth}\n"
// "%% \\setlength\\listparindent\\parindent%\n"
// "%% \\setlength\\itemindent\\parindent%\n"
" \\setlength{\\parsep}{0pt plus 1pt}%\n"
" }\n"
" \\item[]\n"
"}\n"
"{\\end{list}}\n");
static docstring const floatingfootnote_def = from_ascii(
"%% Special footnote code from the package 'stblftnt.sty'\n"
"%% Author: Robin Fairbairns -- Last revised Dec 13 1996\n"
"\\let\\SF@@footnote\\footnote\n"
"\\def\\footnote{\\ifx\\protect\\@typeset@protect\n"
" \\expandafter\\SF@@footnote\n"
" \\else\n"
" \\expandafter\\SF@gobble@opt\n"
" \\fi\n"
"}\n"
"\\expandafter\\def\\csname SF@gobble@opt \\endcsname{\\@ifnextchar[%]\n"
" \\SF@gobble@twobracket\n"
" \\@gobble\n"
"}\n"
"\\edef\\SF@gobble@opt{\\noexpand\\protect\n"
" \\expandafter\\noexpand\\csname SF@gobble@opt \\endcsname}\n"
"\\def\\SF@gobble@twobracket[#1]#2{}\n");
static docstring const binom_def = from_ascii(
"%% Binom macro for standard LaTeX users\n"
"\\newcommand{\\binom}[2]{{#1 \\choose #2}}\n");
static docstring const mathcircumflex_def = from_ascii(
"%% For printing a cirumflex inside a formula\n"
"\\newcommand{\\mathcircumflex}[0]{\\mbox{\\^{}}}\n");
static docstring const tabularnewline_def = from_ascii(
"%% Because html converters don't know tabularnewline\n"
"\\providecommand{\\tabularnewline}{\\\\}\n");
static docstring const lyxgreyedout_def = from_ascii(
"%% The greyedout annotation environment\n"
"\\newenvironment{lyxgreyedout}\n"
" {\\textcolor{note_fontcolor}\\bgroup\\ignorespaces}\n"
" {\\ignorespacesafterend\\egroup}\n");
// We want to omit the file extension for includegraphics, but this does not
// work when the filename contains other dots.
// Idea from http://www.tex.ac.uk/cgi-bin/texfaq2html?label=unkgrfextn
static docstring const lyxdot_def = from_ascii(
"%% A simple dot to overcome graphicx limitations\n"
"\\newcommand{\\lyxdot}{.}\n");
static docstring const changetracking_dvipost_def = from_ascii(
"%% Change tracking with dvipost\n"
"\\dvipostlayout\n"
"\\dvipost{osstart color push Red}\n"
"\\dvipost{osend color pop}\n"
"\\dvipost{cbstart color push Blue}\n"
"\\dvipost{cbend color pop}\n"
"\\DeclareRobustCommand{\\lyxadded}[3]{\\changestart#3\\changeend}\n"
"\\DeclareRobustCommand{\\lyxdeleted}[3]{%\n"
"\\changestart\\overstrikeon#3\\overstrikeoff\\changeend}\n");
static docstring const changetracking_xcolor_ulem_def = from_ascii(
"%% Change tracking with ulem\n"
"\\DeclareRobustCommand{\\lyxadded}[3]{{\\color{lyxadded}{}#3}}\n"
"\\DeclareRobustCommand{\\lyxdeleted}[3]{{\\color{lyxdeleted}\\sout{#3}}}\n");
static docstring const changetracking_xcolor_ulem_hyperref_def = from_ascii(
"%% Change tracking with ulem\n"
"\\DeclareRobustCommand{\\lyxadded}[3]{{\\texorpdfstring{\\color{lyxadded}{}}{}#3}}\n"
"\\DeclareRobustCommand{\\lyxdeleted}[3]{{\\texorpdfstring{\\color{lyxdeleted}\\sout{#3}}{}}}\n");
static docstring const changetracking_none_def = from_ascii(
"\\newcommand{\\lyxadded}[3]{#3}\n"
"\\newcommand{\\lyxdeleted}[3]{}\n");
static docstring const textgreek_LGR_def = from_ascii(
"\\DeclareFontEncoding{LGR}{}{}\n");
static docstring const textgreek_def = from_ascii(
"\\DeclareRobustCommand{\\greektext}{%\n"
" \\fontencoding{LGR}\\selectfont\\def\\encodingdefault{LGR}}\n"
"\\DeclareRobustCommand{\\textgreek}[1]{\\leavevmode{\\greektext #1}}\n"
"\\ProvideTextCommand{\\~}{LGR}[1]{\\char126#1}\n");
static docstring const textcyr_T2A_def = from_ascii(
"\\InputIfFileExists{t2aenc.def}{}{%\n"
" \\errmessage{File `t2aenc.def' not found: Cyrillic script not supported}}\n");
static docstring const textcyr_def = from_ascii(
"\\DeclareRobustCommand{\\cyrtext}{%\n"
" \\fontencoding{T2A}\\selectfont\\def\\encodingdefault{T2A}}\n"
"\\DeclareRobustCommand{\\textcyr}[1]{\\leavevmode{\\cyrtext #1}}\n");
static docstring const lyxmathsym_def = from_ascii(
"\\newcommand{\\lyxmathsym}[1]{\\ifmmode\\begingroup\\def\\b@ld{bold}\n"
" \\text{\\ifx\\math@version\\b@ld\\bfseries\\fi#1}\\endgroup\\else#1\\fi}\n");
static docstring const papersizedvi_def = from_ascii(
"\\special{papersize=\\the\\paperwidth,\\the\\paperheight}\n");
static docstring const papersizepdf_def = from_ascii(
"\\pdfpageheight\\paperheight\n"
"\\pdfpagewidth\\paperwidth\n");
static docstring const papersizepdflua_def = from_ascii(
"% Backwards compatibility for LuaTeX < 0.90\n"
"\\@ifundefined{pageheight}{\\let\\pageheight\\pdfpageheight}{}\n"
"\\@ifundefined{pagewidth}{\\let\\pagewidth\\pdfpagewidth}{}\n"
"\\pageheight\\paperheight\n"
"\\pagewidth\\paperwidth\n");
static docstring const cedilla_def = from_ascii(
"\\newcommand{\\docedilla}[2]{\\underaccent{#1\\mathchar'30}{#2}}\n"
"\\newcommand{\\cedilla}[1]{\\mathpalette\\docedilla{#1}}\n");
static docstring const subring_def = from_ascii(
"\\newcommand{\\dosubring}[2]{\\underaccent{#1\\mathchar'27}{#2}}\n"
"\\newcommand{\\subring}[1]{\\mathpalette\\dosubring{#1}}\n");
static docstring const subdot_def = from_ascii(
"\\newcommand{\\dosubdot}[2]{\\underaccent{#1.}{#2}}\n"
"\\newcommand{\\subdot}[1]{\\mathpalette\\dosubdot{#1}}\n");
static docstring const subhat_def = from_ascii(
"\\newcommand{\\dosubhat}[2]{\\underaccent{#1\\mathchar'136}{#2}}\n"
"\\newcommand{\\subhat}[1]{\\mathpalette\\dosubhat{#1}}\n");
static docstring const subtilde_def = from_ascii(
"\\newcommand{\\dosubtilde}[2]{\\underaccent{#1\\mathchar'176}{#2}}\n"
"\\newcommand{\\subtilde}[1]{\\mathpalette\\dosubtilde{#1}}\n");
static docstring const dacute_def = from_ascii(
"\\DeclareMathAccent{\\dacute}{\\mathalpha}{operators}{'175}\n");
static docstring const tipasymb_def = from_ascii(
"\\DeclareFontEncoding{T3}{}{}\n"
"\\DeclareSymbolFont{tipasymb}{T3}{cmr}{m}{n}\n");
static docstring const dgrave_def = from_ascii(
"\\DeclareMathAccent{\\dgrave}{\\mathord}{tipasymb}{'15}\n");
static docstring const rcap_def = from_ascii(
"\\DeclareMathAccent{\\rcap}{\\mathord}{tipasymb}{'20}\n");
static docstring const ogonek_def = from_ascii(
"\\newcommand{\\doogonek}[2]{\\setbox0=\\hbox{$#1#2$}\\underaccent{#1\\mkern-6mu\n"
" \\ifx#2O\\hskip0.5\\wd0\\else\\ifx#2U\\hskip0.5\\wd0\\else\\hskip\\wd0\\fi\\fi\n"
" \\ifx#2o\\mkern-2mu\\else\\ifx#2e\\mkern-1mu\\fi\\fi\n"
" \\mathchar\"0\\hexnumber@\\symtipasymb0C}{#2}}\n"
"\\newcommand{\\ogonek}[1]{\\mathpalette\\doogonek{#1}}\n");
static docstring const lyxaccent_def = from_ascii(
"%% custom text accent \\LyxTextAccent[<rise value (length)>]{<accent>}{<base>}\n"
"\\newcommand*{\\LyxTextAccent}[3][0ex]{%\n"
" \\hmode@bgroup\\ooalign{\\null#3\\crcr\\hidewidth\n"
" \\raise#1\\hbox{#2}\\hidewidth}\\egroup}\n"
"%% select a font size smaller than the current font size:\n"
"\\newcommand{\\LyxAccentSize}[1][\\sf@size]{%\n"
" \\check@mathfonts\\fontsize#1\\z@\\math@fontsfalse\\selectfont\n"
"}\n");
static docstring const textcommabelow_def = from_ascii(
"\\ProvideTextCommandDefault{\\textcommabelow}[1]{%%\n"
" \\LyxTextAccent[-.31ex]{\\LyxAccentSize,}{#1}}\n");
static docstring const textcommaabove_def = from_ascii(
"\\ProvideTextCommandDefault{\\textcommaabove}[1]{%%\n"
" \\LyxTextAccent[.5ex]{\\LyxAccentSize`}{#1}}\n");
static docstring const textcommaaboveright_def = from_ascii(
"\\ProvideTextCommandDefault{\\textcommaaboveright}[1]{%%\n"
" \\LyxTextAccent[.5ex]{\\LyxAccentSize\\ `}{#1}}\n");
// Baltic languages use a comma-accent instead of a cedilla
static docstring const textbaltic_def = from_ascii(
"%% use comma accent instead of cedilla for these characters:\n"
"\\DeclareTextCompositeCommand{\\c}{T1}{g}{\\textcommaabove{g}}\n"
"\\DeclareTextCompositeCommand{\\c}{T1}{G}{\\textcommabelow{G}}\n"
"\\DeclareTextCompositeCommand{\\c}{T1}{k}{\\textcommabelow{k}}\n"
"\\DeclareTextCompositeCommand{\\c}{T1}{K}{\\textcommabelow{K}}\n"
"\\DeclareTextCompositeCommand{\\c}{T1}{l}{\\textcommabelow{l}}\n"
"\\DeclareTextCompositeCommand{\\c}{T1}{L}{\\textcommabelow{L}}\n"
"\\DeclareTextCompositeCommand{\\c}{T1}{n}{\\textcommabelow{n}}\n"
"\\DeclareTextCompositeCommand{\\c}{T1}{N}{\\textcommabelow{N}}\n"
"\\DeclareTextCompositeCommand{\\c}{T1}{r}{\\textcommabelow{r}}\n"
"\\DeclareTextCompositeCommand{\\c}{T1}{R}{\\textcommabelow{R}}\n");
static docstring const lyxref_def = from_ascii(
"\\RS@ifundefined{subsecref}\n"
" {\\newref{subsec}{name = \\RSsectxt}}\n"
" {}\n"
"\\RS@ifundefined{thmref}\n"
" {\\def\\RSthmtxt{theorem~}\\newref{thm}{name = \\RSthmtxt}}\n"
" {}\n"
"\\RS@ifundefined{lemref}\n"
" {\\def\\RSlemtxt{lemma~}\\newref{lem}{name = \\RSlemtxt}}\n"
" {}\n");
// Make sure the columns are also outputed as rtl
static docstring const rtloutputdblcol_def = from_ascii(
"\\def\\@outputdblcol{%\n"
" \\if@firstcolumn\n"
" \\global \\@firstcolumnfalse\n"
" \\global \\setbox\\@leftcolumn \\box\\@outputbox\n"
" \\else\n"
" \\global \\@firstcolumntrue\n"
" \\setbox\\@outputbox \\vbox {%\n"
" \\hb@xt@\\textwidth {%\n"
" \\kern\\textwidth \\kern-\\columnwidth %**\n"
" \\hb@xt@\\columnwidth {%\n"
" \\box\\@leftcolumn \\hss}%\n"
" \\kern-\\textwidth %**\n"
" \\hfil\n"
" {\\normalcolor\\vrule \\@width\\columnseprule}%\n"
" \\hfil\n"
" \\kern-\\textwidth %**\n"
" \\hb@xt@\\columnwidth {%\n"
" \\box\\@outputbox \\hss}%\n"
" \\kern-\\columnwidth \\kern\\textwidth %**\n"
" }%\n"
" }%\n"
" \\@combinedblfloats\n"
" \\@outputpage\n"
" \\begingroup\n"
" \\@dblfloatplacement\n"
" \\@startdblcolumn\n"
" \\@whilesw\\if@fcolmade \\fi\n"
" {\\@outputpage\n"
" \\@startdblcolumn}%\n"
" \\endgroup\n"
" \\fi\n"
"}\n"
"\\@mparswitchtrue\n");
/////////////////////////////////////////////////////////////////////
//
// LyXHTML strings
//
/////////////////////////////////////////////////////////////////////
static docstring const lyxnoun_style = from_ascii(
"dfn.lyxnoun {\n"
" font-variant: small-caps;\n"
"}\n");
// this is how it normally renders, but it might not always do so.
static docstring const lyxstrikeout_style = from_ascii(
"del.strikeout {\n"
" text-decoration: line-through;\n"
"}\n");
/////////////////////////////////////////////////////////////////////
//
// LaTeXFeatures
//
/////////////////////////////////////////////////////////////////////
LaTeXFeatures::LaTeXFeatures(Buffer const & b, BufferParams const & p,
OutputParams const & r)
: buffer_(&b), params_(p), runparams_(r), in_float_(false)
{}
LaTeXFeatures::LangPackage LaTeXFeatures::langPackage() const
{
string const local_lp = bufferParams().lang_package;
// Locally, custom is just stored as a string
// in bufferParams().lang_package.
if (local_lp != "auto"
&& local_lp != "babel"
&& local_lp != "default"
&& local_lp != "none")
return LANG_PACK_CUSTOM;
if (local_lp == "none")
return LANG_PACK_NONE;
/* If "auto" is selected, we load polyglossia with non-TeX fonts,
* else we select babel.
* If babel is selected (either directly or via the "auto"
* mechanism), we really do only require it if we have
* a language that needs it.
*/
bool const polyglossia_required =
params_.useNonTeXFonts
&& isAvailable("polyglossia")
&& !isProvided("babel")
&& this->hasOnlyPolyglossiaLanguages();
bool const babel_required =
!bufferParams().language->babel().empty()
|| !this->getBabelLanguages().empty();
if (local_lp == "auto") {
// polyglossia requirement has priority over babel
if (polyglossia_required)
return LANG_PACK_POLYGLOSSIA;
else if (babel_required)
return LANG_PACK_BABEL;
}
if (local_lp == "babel") {
if (babel_required)
return LANG_PACK_BABEL;
}
if (local_lp == "default") {
switch (lyxrc.language_package_selection) {
case LyXRC::LP_AUTO:
// polyglossia requirement has priority over babel
if (polyglossia_required)
return LANG_PACK_POLYGLOSSIA;
else if (babel_required)
return LANG_PACK_BABEL;
break;
case LyXRC::LP_BABEL:
if (babel_required)
return LANG_PACK_BABEL;
break;
case LyXRC::LP_CUSTOM:
return LANG_PACK_CUSTOM;
case LyXRC::LP_NONE:
return LANG_PACK_NONE;
}
}
return LANG_PACK_NONE;
}
void LaTeXFeatures::require(string const & name)
{
features_.insert(name);
}
void LaTeXFeatures::require(set<string> const & names)
{
features_.insert(names.begin(), names.end());
}
void LaTeXFeatures::useLayout(docstring const & layoutname)
{
useLayout(layoutname, 0);
}
void LaTeXFeatures::useLayout(docstring const & layoutname, int level)
{
// Some code to avoid loops in dependency definition
const int maxlevel = 30;
if (level > maxlevel) {
lyxerr << "LaTeXFeatures::useLayout: maximum level of "
<< "recursion attained by layout "
<< to_utf8(layoutname) << endl;
return;
}
DocumentClass const & tclass = params_.documentClass();
if (tclass.hasLayout(layoutname)) {
// Is this layout already in usedLayouts?
if (find(usedLayouts_.begin(), usedLayouts_.end(), layoutname)
!= usedLayouts_.end())
return;
Layout const & layout = tclass[layoutname];
require(layout.requires());
if (!layout.depends_on().empty()) {
useLayout(layout.depends_on(), level + 1);
}
usedLayouts_.push_back(layoutname);
} else {
lyxerr << "LaTeXFeatures::useLayout: layout `"
<< to_utf8(layoutname) << "' does not exist in this class"
<< endl;
}
}
void LaTeXFeatures::useInsetLayout(InsetLayout const & lay)
{
docstring const & lname = lay.name();
DocumentClass const & tclass = params_.documentClass();
// this is a default inset layout, nothing useful here
if (!tclass.hasInsetLayout(lname))
return;
// Is this layout already in usedInsetLayouts?
if (find(usedInsetLayouts_.begin(), usedInsetLayouts_.end(), lname)
!= usedInsetLayouts_.end())
return;
require(lay.requires());
usedInsetLayouts_.push_back(lname);
}
bool LaTeXFeatures::isRequired(string const & name) const
{
return features_.find(name) != features_.end();
}
bool LaTeXFeatures::isProvided(string const & name) const
{
if (params_.useNonTeXFonts)
return params_.documentClass().provides(name);
bool const ot1 = (params_.font_encoding() == "default"
|| params_.font_encoding() == "OT1");
bool const complete = (params_.fontsSans() == "default"
&& params_.fontsTypewriter() == "default");
bool const nomath = (params_.fontsMath() == "default");
return params_.documentClass().provides(name)
|| theLaTeXFonts().getLaTeXFont(
from_ascii(params_.fontsRoman())).provides(name, ot1,
complete,
nomath)
|| theLaTeXFonts().getLaTeXFont(
from_ascii(params_.fontsSans())).provides(name, ot1,
complete,
nomath)
|| theLaTeXFonts().getLaTeXFont(
from_ascii(params_.fontsTypewriter())).provides(name, ot1,
complete,
nomath)
|| theLaTeXFonts().getLaTeXFont(
from_ascii(params_.fontsMath())).provides(name, ot1,
complete,
nomath);
// TODO: "textbaltic" provided, if the font-encoding is "L7x"
// "textgreek" provided, if a language with font-encoding LGR is used in the document
// "textcyr" provided, if a language with font-encoding T2A is used in the document
}
bool LaTeXFeatures::mustProvide(string const & name) const
{
return isRequired(name) && !isProvided(name);
}
bool LaTeXFeatures::isAvailable(string const & name)
{
string::size_type const i = name.find("->");
if (i != string::npos) {
string const from = name.substr(0,i);
string const to = name.substr(i+2);
//LYXERR0("from=[" << from << "] to=[" << to << "]");
return theConverters().isReachable(from, to);
}
return LaTeXPackages::isAvailable(name);
}
void LaTeXFeatures::addPreambleSnippet(string const & preamble,
bool allowdupes)
{
SnippetList::const_iterator begin = preamble_snippets_.begin();
SnippetList::const_iterator end = preamble_snippets_.end();
if (allowdupes || find(begin, end, preamble) == end)
preamble_snippets_.push_back(preamble);
}
void LaTeXFeatures::addCSSSnippet(std::string const & snippet)
{
SnippetList::const_iterator begin = css_snippets_.begin();
SnippetList::const_iterator end = css_snippets_.end();
if (find(begin, end, snippet) == end)
css_snippets_.push_back(snippet);
}
void LaTeXFeatures::useFloat(string const & name, bool subfloat)
{
if (!usedFloats_[name])
usedFloats_[name] = subfloat;
if (subfloat)
require("subfig");
// We only need float.sty if we use non builtin floats, or if we
// use the "H" modifier. This includes modified table and
// figure floats. (Lgb)
Floating const & fl = params_.documentClass().floats().getType(name);
if (!fl.floattype().empty() && fl.usesFloatPkg()) {
require("float");
}
}
void LaTeXFeatures::useLanguage(Language const * lang)
{
if (!lang->babel().empty() || !lang->polyglossia().empty())
UsedLanguages_.insert(lang);
if (!lang->requires().empty())
require(lang->requires());
// CJK languages do not have a babel name.
// They use the CJK package
if (lang->encoding()->package() == Encoding::CJK)
require("CJK");
// japanese package is special
if (lang->encoding()->package() == Encoding::japanese)
require("japanese");
}
void LaTeXFeatures::includeFile(docstring const & key, string const & name)
{
IncludedFiles_[key] = name;
}
bool LaTeXFeatures::hasLanguages() const
{
return !UsedLanguages_.empty();
}
bool LaTeXFeatures::hasOnlyPolyglossiaLanguages() const
{
// first the main language
if (params_.language->polyglossia().empty())
return false;
// now the secondary languages
LanguageList::const_iterator const begin = UsedLanguages_.begin();
for (LanguageList::const_iterator cit = begin;
cit != UsedLanguages_.end();
++cit) {
if ((*cit)->polyglossia().empty())
return false;
}
return true;
}
bool LaTeXFeatures::hasPolyglossiaExclusiveLanguages() const
{
// first the main language
if (params_.language->isPolyglossiaExclusive())
return true;
// now the secondary languages
LanguageList::const_iterator const begin = UsedLanguages_.begin();
for (LanguageList::const_iterator cit = begin;
cit != UsedLanguages_.end();
++cit) {
if ((*cit)->isPolyglossiaExclusive())
return true;
}
return false;
}
string LaTeXFeatures::getBabelLanguages() const
{
ostringstream languages;
bool first = true;
LanguageList::const_iterator const begin = UsedLanguages_.begin();
for (LanguageList::const_iterator cit = begin;
cit != UsedLanguages_.end();
++cit) {
if ((*cit)->babel().empty())
continue;
if (!first)
languages << ',';
else
first = false;
languages << (*cit)->babel();
}
return languages.str();
}
std::map<std::string, std::string> LaTeXFeatures::getPolyglossiaLanguages() const
{
std::map<std::string, std::string> languages;
LanguageList::const_iterator const begin = UsedLanguages_.begin();
for (LanguageList::const_iterator cit = begin;
cit != UsedLanguages_.end();
++cit) {
languages[(*cit)->polyglossia()] = (*cit)->polyglossiaOpts();
}
return languages;
}
set<string> LaTeXFeatures::getEncodingSet(string const & doc_encoding) const
{
// This does only find encodings of languages supported by babel, but
// that does not matter since we don't have a language with an
// encoding supported by inputenc but without babel support.
set<string> encodings;
LanguageList::const_iterator it = UsedLanguages_.begin();
LanguageList::const_iterator end = UsedLanguages_.end();
for (; it != end; ++it)
if ((*it)->encoding()->latexName() != doc_encoding &&
((*it)->encoding()->package() == Encoding::inputenc
|| (*it)->encoding()->package() == Encoding::japanese))
encodings.insert((*it)->encoding()->latexName());
return encodings;
}
void LaTeXFeatures::getFontEncodings(vector<string> & encodings) const
{
// these must be loaded if glyphs of this script are used
// unless a language providing them is used in the document
// FIXME: currently the option is written twice in this case
if (mustProvide("textgreek"))
encodings.insert(encodings.begin(), "LGR");
if (mustProvide("textcyr"))
encodings.insert(encodings.begin(), "T2A");
LanguageList::const_iterator it = UsedLanguages_.begin();
LanguageList::const_iterator end = UsedLanguages_.end();
for (; it != end; ++it)
if (!(*it)->fontenc().empty()
&& ascii_lowercase((*it)->fontenc()) != "none") {
vector<string> extraencs = getVectorFromString((*it)->fontenc());
vector<string>::const_iterator fit = extraencs.begin();
for (; fit != extraencs.end(); ++fit) {
if (find(encodings.begin(), encodings.end(), *fit) == encodings.end())
encodings.insert(encodings.begin(), *fit);
}
}
}
namespace {
char const * simplefeatures[] = {
// note that the package order here will be the same in the LaTeX-output
"array",
"verbatim",
"longtable",
"rotating",
"latexsym",
"pifont",
// subfig is handled in BufferParams.cpp
"varioref",
"prettyref",
"refstyle",
/*For a successful cooperation of the `wrapfig' package with the
`float' package you should load the `wrapfig' package *after*
the `float' package. See the caption package documentation
for explanation.*/
"float",
"rotfloat",
"wrapfig",
"booktabs",
"dvipost",
"fancybox",
"calc",
"units",
"framed",
"soul",
"textcomp",
"pmboxdraw",
"bbding",
"ifsym",
"txfonts",
"pxfonts",
"mathdesign",
"mathrsfs",
"mathabx",
"mathtools",
// "cancel",
"ascii",
"url",
"covington",
"csquotes",
"enumitem",
"endnotes",
"hhline",
"ifthen",
// listings is handled in BufferParams.cpp
"bm",
"pdfpages",
"amscd",
"slashed",
"multicol",
"multirow",
"tfrupee",
"shapepar",
"rsphrase",
"hpstatement",
"algorithm2e",
"sectionbox",
"tcolorbox",
"pdfcomment",
"fixme",
"todonotes",
"forest",
"varwidth"
};
char const * bibliofeatures[] = {
// Known bibliography packages (will be loaded before natbib)
"achicago",
"apacite",
"apalike",
"astron",
"authordate1-4",
"babelbib",
"bibgerm",
"chicago",
"chscite",
"harvard",
"mslapa",
"named"
};
int const nb_bibliofeatures = sizeof(bibliofeatures) / sizeof(char const *);
int const nb_simplefeatures = sizeof(simplefeatures) / sizeof(char const *);
}
string const LaTeXFeatures::getColorOptions() const
{
ostringstream colors;
// Handling the color packages separately is needed to be able to load them
// before babel when hyperref is loaded with the colorlinks option
// for more info see Bufferparams.cpp
// [x]color.sty
if (mustProvide("color") || mustProvide("xcolor")) {
string const package =
(mustProvide("xcolor") ? "xcolor" : "color");
if (params_.graphics_driver == "default"
|| params_.graphics_driver == "none")
colors << "\\usepackage{" << package << "}\n";
else
colors << "\\usepackage["
<< params_.graphics_driver
<< "]{" << package << "}\n";
}
// pdfcolmk must be loaded after color
if (mustProvide("pdfcolmk"))
colors << "\\usepackage{pdfcolmk}\n";
// the following 3 color commands must be set after color
// is loaded and before pdfpages, therefore add the command
// here define the set color
if (mustProvide("pagecolor")) {
colors << "\\definecolor{page_backgroundcolor}{rgb}{";
colors << outputLaTeXColor(params_.backgroundcolor) << "}\n";
// set the page color
colors << "\\pagecolor{page_backgroundcolor}\n";
}
if (mustProvide("fontcolor")) {
colors << "\\definecolor{document_fontcolor}{rgb}{";
colors << outputLaTeXColor(params_.fontcolor) << "}\n";
// set the color
colors << "\\color{document_fontcolor}\n";
}
if (mustProvide("lyxgreyedout")) {
colors << "\\definecolor{note_fontcolor}{rgb}{";
colors << outputLaTeXColor(params_.notefontcolor) << "}\n";
// the color will be set together with the definition of
// the lyxgreyedout environment (see lyxgreyedout_def)
}
// color for shaded boxes
if (isRequired("framed") && mustProvide("color")) {
colors << "\\definecolor{shadecolor}{rgb}{";
colors << outputLaTeXColor(params_.boxbgcolor) << "}\n";
// this color is automatically used by the LaTeX-package "framed"
}
return colors.str();
}
string const LaTeXFeatures::getPackageOptions() const
{
ostringstream packageopts;
// Output all the package option stuff we have been asked to do.
map<string, string>::const_iterator it =
params_.documentClass().packageOptions().begin();
map<string, string>::const_iterator en =
params_.documentClass().packageOptions().end();
for (; it != en; ++it)
if (mustProvide(it->first))
packageopts << "\\PassOptionsToPackage{" << it->second << "}"
<< "{" << it->first << "}\n";
return packageopts.str();
}
string const LaTeXFeatures::getPackages() const
{
ostringstream packages;
// FIXME: currently, we can only load packages and macros known
// to LyX.
// However, with the Require tag of layouts/custom insets,
// also unknown packages can be requested. They are silently
// swallowed now. We should change this eventually.
// These are all the 'simple' includes. i.e
// packages which we just \usepackage{package}
for (int i = 0; i < nb_simplefeatures; ++i) {
if (mustProvide(simplefeatures[i]))
packages << "\\usepackage{" << simplefeatures[i] << "}\n";
}
// The rest of these packages are somewhat more complicated
// than those above.
// The tipa package and its extensions (tipx, tone) must not
// be loaded with non-TeX fonts, since fontspec includes the
// respective macros
if (mustProvide("tipa") && !params_.useNonTeXFonts)
packages << "\\usepackage{tipa}\n";
if (mustProvide("tipx") && !params_.useNonTeXFonts)
packages << "\\usepackage{tipx}\n";
if (mustProvide("tone") && !params_.useNonTeXFonts)
packages << "\\usepackage{tone}\n";
// if fontspec or newtxmath is used, AMS packages have to be loaded
// before fontspec (in BufferParams)
string const amsPackages = loadAMSPackages();
bool const ot1 = (params_.font_encoding() == "default" || params_.font_encoding() == "OT1");
bool const use_newtxmath =
theLaTeXFonts().getLaTeXFont(from_ascii(params_.fontsMath())).getUsedPackage(
ot1, false, false) == "newtxmath";
if (!params_.useNonTeXFonts && !use_newtxmath && !amsPackages.empty())
packages << amsPackages;
if (mustProvide("cancel") &&
params_.use_package("cancel") != BufferParams::package_off)
packages << "\\usepackage{cancel}\n";
// marvosym and bbding both define the \Cross macro
if (mustProvide("marvosym")) {
if (mustProvide("bbding"))
packages << "\\let\\Cross\\relax\n";
packages << "\\usepackage{marvosym}\n";
}
// accents must be loaded after amsmath
if (mustProvide("accents") &&
params_.use_package("accents") != BufferParams::package_off)
packages << "\\usepackage{accents}\n";
// mathdots must be loaded after amsmath
if (mustProvide("mathdots") &&
params_.use_package("mathdots") != BufferParams::package_off)
packages << "\\usepackage{mathdots}\n";
// yhmath must be loaded after amsmath
if (mustProvide("yhmath") &&
params_.use_package("yhmath") != BufferParams::package_off)
packages << "\\usepackage{yhmath}\n";
// stmaryrd must be loaded after amsmath
if (mustProvide("stmaryrd") &&
params_.use_package("stmaryrd") != BufferParams::package_off)
packages << "\\usepackage{stmaryrd}\n";
if (mustProvide("stackrel") &&
params_.use_package("stackrel") != BufferParams::package_off)
packages << "\\usepackage{stackrel}\n";
if (mustProvide("undertilde") &&
params_.use_package("undertilde") != BufferParams::package_off)
packages << "\\usepackage{undertilde}\n";
// [x]color and pdfcolmk are handled in getColorOptions() above
// makeidx.sty
if (isRequired("makeidx") || isRequired("splitidx")) {
if (!isProvided("makeidx") && !isRequired("splitidx"))
packages << "\\usepackage{makeidx}\n";
if (mustProvide("splitidx"))
packages << "\\usepackage{splitidx}\n";
packages << "\\makeindex\n";
}
// graphicx.sty
if (mustProvide("graphicx") && params_.graphics_driver != "none") {
if (params_.graphics_driver == "default")
packages << "\\usepackage{graphicx}\n";
else
packages << "\\usepackage["
<< params_.graphics_driver
<< "]{graphicx}\n";
}
// lyxskak.sty --- newer chess support based on skak.sty
if (mustProvide("chess"))
packages << "\\usepackage[ps,mover]{lyxskak}\n";
// setspace.sty
if (mustProvide("setspace") && !isProvided("SetSpace"))
packages << "\\usepackage{setspace}\n";
// we need to assure that mhchem is loaded before esint and every other
// package that redefines command of amsmath because mhchem loads amlatex
// (this info is from the author of mhchem from June 2013)
if (mustProvide("mhchem") &&
params_.use_package("mhchem") != BufferParams::package_off)
packages << "\\PassOptionsToPackage{version=3}{mhchem}\n"
"\\usepackage{mhchem}\n";
// wasysym is a simple feature, but it must be after amsmath if both
// are used
// wasysym redefines some integrals (e.g. iint) from amsmath. That
// leads to inconsistent integrals. We only load this package if
// the document does not contain integrals (then isRequired("esint")
// is false) or if esint is used, since esint redefines all relevant
// integral symbols from wasysym and amsmath.
// See http://www.lyx.org/trac/ticket/1942
if (mustProvide("wasysym") &&
params_.use_package("wasysym") != BufferParams::package_off &&
(params_.use_package("esint") != BufferParams::package_off || !isRequired("esint")))
packages << "\\usepackage{wasysym}\n";
// esint must be after amsmath (and packages requiring amsmath, like mhchem)
// and wasysym, since it will redeclare inconsistent integral symbols
if (mustProvide("esint") &&
params_.use_package("esint") != BufferParams::package_off)
packages << "\\usepackage{esint}\n";
// Known bibliography packages (simple \usepackage{package})
for (int i = 0; i < nb_bibliofeatures; ++i) {
if (mustProvide(bibliofeatures[i]))
packages << "\\usepackage{"
<< bibliofeatures[i] << "}\n";
}
// Compatibility between achicago and natbib
if (mustProvide("achicago") && mustProvide("natbib"))
packages << "\\let\\achicagobib\\thebibliography\n";
// natbib.sty
// Some classes load natbib themselves, but still allow (or even require)
// plain numeric citations (ReVTeX is such a case, see bug 5182).
// This special case is indicated by the "natbib-internal" key.
if (mustProvide("natbib") && !isProvided("natbib-internal")) {
packages << "\\usepackage[";
if (params_.citeEngineType() == ENGINE_TYPE_NUMERICAL)
packages << "numbers";
else
packages << "authoryear";
packages << "]{natbib}\n";
}
// Compatibility between achicago and natbib
if (mustProvide("achicago") && mustProvide("natbib")) {
packages << "\\let\\thebibliography\\achicagobib\n";
packages << "\\let\\SCcite\\astroncite\n";
packages << "\\let\\UnexpandableProtect\\protect\n";
}
// jurabib -- we need version 0.6 at least.
if (mustProvide("jurabib"))
packages << "\\usepackage{jurabib}[2004/01/25]\n";
// opcit -- we pass custombst as we output \bibliographystyle ourselves
if (mustProvide("opcit")) {
if (isRequired("hyperref"))
packages << "\\usepackage[custombst,hyperref]{opcit}\n";
else
packages << "\\usepackage[custombst]{opcit}\n";
}
// xargs -- we need version 1.09 at least
if (mustProvide("xargs"))
packages << "\\usepackage{xargs}[2008/03/08]\n";
if (mustProvide("xy"))
packages << "\\usepackage[all]{xy}\n";
if (mustProvide("feyn"))
packages << "\\usepackage{feyn}\n"; //Diagram
if (mustProvide("ulem"))
packages << "\\PassOptionsToPackage{normalem}{ulem}\n"
"\\usepackage{ulem}\n";
if (mustProvide("nomencl")) {
// Make it work with the new and old version of the package,
// but don't use the compatibility option since it is
// incompatible to other packages.
packages << "\\usepackage{nomencl}\n"
"% the following is useful when we have the old nomencl.sty package\n"
"\\providecommand{\\printnomenclature}{\\printglossary}\n"
"\\providecommand{\\makenomenclature}{\\makeglossary}\n"
"\\makenomenclature\n";
}
// fixltx2e provides subscript
if (mustProvide("subscript") && !isRequired("fixltx2e"))
packages << "\\usepackage{subscript}\n";
// footmisc must be loaded after setspace
// Set options here, load the package after the user preamble to
// avoid problems with manual loaded footmisc.
if (mustProvide("footmisc"))
packages << "\\PassOptionsToPackage{stable}{footmisc}\n";
return packages.str();
}
string LaTeXFeatures::getPreambleSnippets() const
{
ostringstream snip;
SnippetList::const_iterator pit = preamble_snippets_.begin();
SnippetList::const_iterator pend = preamble_snippets_.end();
for (; pit != pend; ++pit)
snip << *pit << '\n';
return snip.str();
}
std::string LaTeXFeatures::getCSSSnippets() const
{
ostringstream snip;
SnippetList::const_iterator pit = css_snippets_.begin();
SnippetList::const_iterator pend = css_snippets_.end();
for (; pit != pend; ++pit)
snip << *pit << '\n';
return snip.str();
}
docstring const LaTeXFeatures::getMacros() const
{
odocstringstream macros;
if (!preamble_snippets_.empty()) {
macros << '\n';
macros << from_utf8(getPreambleSnippets());
}
if (mustProvide("papersize")) {
if (runparams_.flavor == OutputParams::LATEX
|| runparams_.flavor == OutputParams::DVILUATEX)
macros << papersizedvi_def << '\n';
else if (runparams_.flavor == OutputParams::LUATEX)
macros << papersizepdflua_def << '\n';
else
macros << papersizepdf_def << '\n';
}
if (mustProvide("LyX")) {
if (isRequired("hyperref"))
macros << lyx_hyperref_def << '\n';
else
macros << lyx_def << '\n';
}
if (mustProvide("noun"))
macros << noun_def << '\n';
if (mustProvide("lyxarrow"))
macros << lyxarrow_def << '\n';
if (!usePolyglossia() && mustProvide("textgreek")) {
// ensure LGR font encoding is defined also if fontenc is not loaded by LyX
if (params_.font_encoding() == "default")
macros << textgreek_LGR_def;
macros << textgreek_def << '\n';
}
if (!usePolyglossia() && mustProvide("textcyr")) {
// ensure T2A font encoding is set up also if fontenc is not loaded by LyX
if (params_.font_encoding() == "default")
macros << textcyr_T2A_def;
macros << textcyr_def << '\n';
}
// non-standard text accents:
if (mustProvide("textcommaabove") || mustProvide("textcommaaboveright") ||
mustProvide("textcommabelow") || mustProvide("textbaltic"))
macros << lyxaccent_def;
if (mustProvide("textcommabelow") || mustProvide("textbaltic"))
macros << textcommabelow_def << '\n';
if (mustProvide("textcommaabove") || mustProvide("textbaltic"))
macros << textcommaabove_def << '\n';
if (mustProvide("textcommaaboveright"))
macros << textcommaaboveright_def << '\n';
if (mustProvide("textbaltic"))
macros << textbaltic_def << '\n';
if (mustProvide("lyxmathsym"))
macros << lyxmathsym_def << '\n';
if (mustProvide("cedilla"))
macros << cedilla_def << '\n';
if (mustProvide("subring"))
macros << subring_def << '\n';
if (mustProvide("subdot"))
macros << subdot_def << '\n';
if (mustProvide("subhat"))
macros << subhat_def << '\n';
if (mustProvide("subtilde"))
macros << subtilde_def << '\n';
if (mustProvide("dacute"))
macros << dacute_def << '\n';
if (mustProvide("tipasymb"))
macros << tipasymb_def << '\n';
if (mustProvide("dgrave"))
macros << dgrave_def << '\n';
if (mustProvide("rcap"))
macros << rcap_def << '\n';
if (mustProvide("ogonek"))
macros << ogonek_def << '\n';
// quotes.
if (mustProvide("quotesinglbase"))
macros << quotesinglbase_def << '\n';
if (mustProvide("quotedblbase"))
macros << quotedblbase_def << '\n';
if (mustProvide("guilsinglleft"))
macros << guilsinglleft_def << '\n';
if (mustProvide("guilsinglright"))
macros << guilsinglright_def << '\n';
if (mustProvide("guillemotleft"))
macros << guillemotleft_def << '\n';
if (mustProvide("guillemotright"))
macros << guillemotright_def << '\n';
// Math mode
if (mustProvide("binom") && !isRequired("amsmath"))
macros << binom_def << '\n';
if (mustProvide("mathcircumflex"))
macros << mathcircumflex_def << '\n';
// other
if (mustProvide("ParagraphLeftIndent"))
macros << paragraphleftindent_def;
if (mustProvide("NeedLyXFootnoteCode"))
macros << floatingfootnote_def;
// some problems with tex->html converters
if (mustProvide("NeedTabularnewline"))
macros << tabularnewline_def;
// greyed-out environment (note inset)
// the color is specified in the routine
// getColorOptions() to avoid LaTeX-package clashes
if (mustProvide("lyxgreyedout"))
macros << lyxgreyedout_def;
if (mustProvide("lyxdot"))
macros << lyxdot_def << '\n';
// floats
getFloatDefinitions(macros);
if (mustProvide("refstyle"))
macros << lyxref_def << '\n';
// change tracking
if (mustProvide("ct-dvipost"))
macros << changetracking_dvipost_def;
if (mustProvide("ct-xcolor-ulem")) {
streamsize const prec = macros.precision(2);
RGBColor cadd = rgbFromHexName(lcolor.getX11Name(Color_addedtext));
macros << "\\providecolor{lyxadded}{rgb}{"
<< cadd.r / 255.0 << ',' << cadd.g / 255.0 << ',' << cadd.b / 255.0 << "}\n";
RGBColor cdel = rgbFromHexName(lcolor.getX11Name(Color_deletedtext));
macros << "\\providecolor{lyxdeleted}{rgb}{"
<< cdel.r / 255.0 << ',' << cdel.g / 255.0 << ',' << cdel.b / 255.0 << "}\n";
macros.precision(prec);
if (isRequired("hyperref"))
macros << changetracking_xcolor_ulem_hyperref_def;
else
macros << changetracking_xcolor_ulem_def;
}
if (mustProvide("ct-none"))
macros << changetracking_none_def;
if (mustProvide("rtloutputdblcol"))
macros << rtloutputdblcol_def;
return macros.str();
}
string const LaTeXFeatures::getBabelPresettings() const
{
ostringstream tmp;
LanguageList::const_iterator it = UsedLanguages_.begin();
LanguageList::const_iterator end = UsedLanguages_.end();
for (; it != end; ++it)
if (!(*it)->babel_presettings().empty())
tmp << (*it)->babel_presettings() << '\n';
if (!params_.language->babel_presettings().empty())
tmp << params_.language->babel_presettings() << '\n';
if (!contains(tmp.str(), '@'))
return tmp.str();
return "\\makeatletter\n" + tmp.str() + "\\makeatother\n";
}
string const LaTeXFeatures::getBabelPostsettings() const
{
ostringstream tmp;
LanguageList::const_iterator it = UsedLanguages_.begin();
LanguageList::const_iterator end = UsedLanguages_.end();
for (; it != end; ++it)
if (!(*it)->babel_postsettings().empty())
tmp << (*it)->babel_postsettings() << '\n';
if (!params_.language->babel_postsettings().empty())
tmp << params_.language->babel_postsettings() << '\n';
if (!contains(tmp.str(), '@'))
return tmp.str();
return "\\makeatletter\n" + tmp.str() + "\\makeatother\n";
}
bool LaTeXFeatures::needBabelLangOptions() const
{
if (!lyxrc.language_global_options || params_.language->asBabelOptions())
return true;
LanguageList::const_iterator it = UsedLanguages_.begin();
LanguageList::const_iterator end = UsedLanguages_.end();
for (; it != end; ++it)
if ((*it)->asBabelOptions())
return true;
return false;
}
string const LaTeXFeatures::loadAMSPackages() const
{
ostringstream tmp;
if (mustProvide("amsmath")
&& params_.use_package("amsmath") != BufferParams::package_off) {
tmp << "\\usepackage{amsmath}\n";
} else {
// amsbsy and amstext are already provided by amsmath
if (mustProvide("amsbsy"))
tmp << "\\usepackage{amsbsy}\n";
if (mustProvide("amstext"))
tmp << "\\usepackage{amstext}\n";
}
if (mustProvide("amsthm"))
tmp << "\\usepackage{amsthm}\n";
if (mustProvide("amssymb")
&& params_.use_package("amssymb") != BufferParams::package_off)
tmp << "\\usepackage{amssymb}\n";
return tmp.str();
}
docstring const LaTeXFeatures::getTClassPreamble() const
{
// the text class specific preamble
DocumentClass const & tclass = params_.documentClass();
odocstringstream tcpreamble;
tcpreamble << tclass.preamble();
list<docstring>::const_iterator cit = usedLayouts_.begin();
list<docstring>::const_iterator end = usedLayouts_.end();
for (; cit != end; ++cit)
tcpreamble << tclass[*cit].preamble();
cit = usedInsetLayouts_.begin();
end = usedInsetLayouts_.end();
TextClass::InsetLayouts const & ils = tclass.insetLayouts();
for (; cit != end; ++cit) {
TextClass::InsetLayouts::const_iterator it = ils.find(*cit);
if (it == ils.end())
continue;
tcpreamble << it->second.preamble();
}
return tcpreamble.str();
}
docstring const LaTeXFeatures::getTClassHTMLPreamble() const
{
DocumentClass const & tclass = params_.documentClass();
odocstringstream tcpreamble;
tcpreamble << tclass.htmlpreamble();
list<docstring>::const_iterator cit = usedLayouts_.begin();
list<docstring>::const_iterator end = usedLayouts_.end();
for (; cit != end; ++cit)
tcpreamble << tclass[*cit].htmlpreamble();
cit = usedInsetLayouts_.begin();
end = usedInsetLayouts_.end();
TextClass::InsetLayouts const & ils = tclass.insetLayouts();
for (; cit != end; ++cit) {
TextClass::InsetLayouts::const_iterator it = ils.find(*cit);
if (it == ils.end())
continue;
tcpreamble << it->second.htmlpreamble();
}
return tcpreamble.str();
}
docstring const LaTeXFeatures::getTClassHTMLStyles() const
{
DocumentClass const & tclass = params_.documentClass();
odocstringstream tcpreamble;
if (mustProvide("noun"))
tcpreamble << lyxnoun_style;
// this isn't exact, but it won't hurt that much if it
// wasn't for this.
if (mustProvide("ulem"))
tcpreamble << lyxstrikeout_style;
tcpreamble << tclass.htmlstyles();
list<docstring>::const_iterator cit = usedLayouts_.begin();
list<docstring>::const_iterator end = usedLayouts_.end();
for (; cit != end; ++cit)
tcpreamble << tclass[*cit].htmlstyle();
cit = usedInsetLayouts_.begin();
end = usedInsetLayouts_.end();
TextClass::InsetLayouts const & ils = tclass.insetLayouts();
for (; cit != end; ++cit) {
TextClass::InsetLayouts::const_iterator it = ils.find(*cit);
if (it == ils.end())
continue;
tcpreamble << it->second.htmlstyle();
}
return tcpreamble.str();
}
namespace {
docstring const getFloatI18nPreamble(docstring const & type,
docstring const & name, Language const * lang,
Encoding const & enc, bool const polyglossia)
{
// Check whether name can be encoded in the buffer encoding
bool encodable = true;
for (size_t i = 0; i < name.size(); ++i) {
if (!enc.encodable(name[i])) {
encodable = false;
break;
}
}
docstring const language = polyglossia ? from_ascii(lang->polyglossia())
: from_ascii(lang->babel());
docstring const langenc = from_ascii(lang->encoding()->iconvName());
docstring const texenc = from_ascii(lang->encoding()->latexName());
docstring const bufenc = from_ascii(enc.iconvName());
docstring const s1 = docstring(1, 0xF0000);
docstring const s2 = docstring(1, 0xF0001);
docstring const translated = encodable ? name
: from_ascii("\\inputencoding{") + texenc + from_ascii("}")
+ s1 + langenc + s2 + name + s1 + bufenc + s2;
odocstringstream os;
os << "\\addto\\captions" << language
<< "{\\renewcommand{\\" << type << "name}{" << translated << "}}\n";
return os.str();
}
docstring const i18npreamble(docstring const & templ, Language const * lang,
Encoding const & enc, bool const polyglossia,
bool const need_fixedwidth)
{
if (templ.empty())
return templ;
string preamble = polyglossia ?
subst(to_utf8(templ), "$$lang", lang->polyglossia()) :
subst(to_utf8(templ), "$$lang", lang->babel());
string const langenc = lang->encoding()->iconvName();
string const texenc = lang->encoding()->latexName();
string const bufenc = enc.iconvName();
Encoding const * testenc(&enc);
bool lang_fallback = false;
bool ascii_fallback = false;
if (need_fixedwidth && !enc.hasFixedWidth()) {
if (lang->encoding()->hasFixedWidth()) {
testenc = lang->encoding();
lang_fallback = true;
} else {
// We need a fixed width encoding, but both the buffer
// encoding and the language encoding are variable
// width. As a last fallback, try to convert to pure
// ASCII using the LaTeX commands defined in unicodesymbols.
testenc = encodings.fromLyXName("ascii");
if (!testenc)
return docstring();
ascii_fallback = true;
}
}
// First and second character of plane 15 (Private Use Area)
string const s1 = "\xf3\xb0\x80\x80"; // U+F0000
string const s2 = "\xf3\xb0\x80\x81"; // U+F0001
// FIXME UNICODE
// lyx::regex is not unicode-safe.
// Should use QRegExp or (boost::u32regex, but that requires ICU)
static regex const reg("_\\(([^\\)]+)\\)");
smatch sub;
while (regex_search(preamble, sub, reg)) {
string const key = sub.str(1);
docstring const name = lang->translateLayout(key);
// Check whether name can be encoded in the buffer encoding
bool encodable = true;
for (size_t i = 0; i < name.size() && encodable; ++i)
if (!testenc->encodable(name[i]))
encodable = false;
string translated;
if (encodable && !lang_fallback)
translated = to_utf8(name);
else if (ascii_fallback)
translated = to_ascii(testenc->latexString(name).first);
else
translated = "\\inputencoding{" + texenc + "}"
+ s1 + langenc + s2 + to_utf8(name)
+ s1 + bufenc + s2;
preamble = subst(preamble, sub.str(), translated);
}
return from_utf8(preamble);
}
}
docstring const LaTeXFeatures::getTClassI18nPreamble(bool use_babel, bool use_polyglossia) const
{
DocumentClass const & tclass = params_.documentClass();
// collect preamble snippets in a set to prevent multiple identical
// commands (would happen if e.g. both theorem and theorem* are used)
set<docstring> snippets;
typedef LanguageList::const_iterator lang_it;
lang_it const lbeg = UsedLanguages_.begin();
lang_it const lend = UsedLanguages_.end();
list<docstring>::const_iterator cit = usedLayouts_.begin();
list<docstring>::const_iterator end = usedLayouts_.end();
for (; cit != end; ++cit) {
// language dependent commands (once per document)
snippets.insert(i18npreamble(tclass[*cit].langpreamble(),
buffer().language(),
buffer().params().encoding(),
use_polyglossia, false));
// commands for language changing (for multilanguage documents)
if ((use_babel || use_polyglossia) && !UsedLanguages_.empty()) {
snippets.insert(i18npreamble(
tclass[*cit].babelpreamble(),
buffer().language(),
buffer().params().encoding(),
use_polyglossia, false));
for (lang_it lit = lbeg; lit != lend; ++lit)
snippets.insert(i18npreamble(
tclass[*cit].babelpreamble(),
*lit,
buffer().params().encoding(),
use_polyglossia, false));
}
}
if ((use_babel || use_polyglossia) && !UsedLanguages_.empty()) {
FloatList const & floats = params_.documentClass().floats();
UsedFloats::const_iterator fit = usedFloats_.begin();
UsedFloats::const_iterator fend = usedFloats_.end();
for (; fit != fend; ++fit) {
Floating const & fl = floats.getType(fit->first);
// we assume builtin floats are translated
if (fl.isPredefined())
continue;
docstring const type = from_ascii(fl.floattype());
docstring const flname = from_utf8(fl.name());
docstring name = buffer().language()->translateLayout(fl.name());
// only request translation if we have a real translation
// (that differs from the source)
if (flname != name)
snippets.insert(getFloatI18nPreamble(
type, name, buffer().language(),
buffer().params().encoding(),
use_polyglossia));
for (lang_it lit = lbeg; lit != lend; ++lit) {
string const code = (*lit)->code();
name = (*lit)->translateLayout(fl.name());
// we assume we have a suitable translation if
// either the language is English (we need to
// translate into English if English is a secondary
// language) or if translateIfPossible returns
// something different to the English source.
bool const have_translation =
(flname != name || contains(code, "en"));
if (have_translation)
snippets.insert(getFloatI18nPreamble(
type, name, *lit,
buffer().params().encoding(),
use_polyglossia));
}
}
}
cit = usedInsetLayouts_.begin();
end = usedInsetLayouts_.end();
TextClass::InsetLayouts const & ils = tclass.insetLayouts();
for (; cit != end; ++cit) {
TextClass::InsetLayouts::const_iterator it = ils.find(*cit);
if (it == ils.end())
continue;
// The listings package does not work with variable width
// encodings, only with fixed width encodings. Therefore we
// need to force a fixed width encoding for
// \lstlistlistingname and \lstlistingname (bug 9382).
// This needs to be consistent with InsetListings::latex().
bool const need_fixedwidth = !runparams_.isFullUnicode() &&
it->second.fixedwidthpreambleencoding();
// language dependent commands (once per document)
snippets.insert(i18npreamble(it->second.langpreamble(),
buffer().language(),
buffer().params().encoding(),
use_polyglossia, need_fixedwidth));
// commands for language changing (for multilanguage documents)
if ((use_babel || use_polyglossia) && !UsedLanguages_.empty()) {
snippets.insert(i18npreamble(
it->second.babelpreamble(),
buffer().language(),
buffer().params().encoding(),
use_polyglossia, need_fixedwidth));
for (lang_it lit = lbeg; lit != lend; ++lit)
snippets.insert(i18npreamble(
it->second.babelpreamble(),
*lit,
buffer().params().encoding(),
use_polyglossia, need_fixedwidth));
}
}
odocstringstream tcpreamble;
set<docstring>::const_iterator const send = snippets.end();
set<docstring>::const_iterator it = snippets.begin();
for (; it != send; ++it)
tcpreamble << *it;
return tcpreamble.str();
}
docstring const LaTeXFeatures::getLyXSGMLEntities() const
{
// Definition of entities used in the document that are LyX related.
odocstringstream entities;
if (mustProvide("lyxarrow")) {
entities << "<!ENTITY lyxarrow \"-&gt;\">" << '\n';
}
return entities.str();
}
docstring const LaTeXFeatures::getIncludedFiles(string const & fname) const
{
odocstringstream sgmlpreamble;
// FIXME UNICODE
docstring const basename(from_utf8(onlyPath(fname)));
FileMap::const_iterator end = IncludedFiles_.end();
for (FileMap::const_iterator fi = IncludedFiles_.begin();
fi != end; ++fi)
// FIXME UNICODE
sgmlpreamble << "\n<!ENTITY " << fi->first
<< (isSGMLFileName(fi->second) ? " SYSTEM \"" : " \"")
<< makeRelPath(from_utf8(fi->second), basename) << "\">";
return sgmlpreamble.str();
}
void LaTeXFeatures::showStruct() const
{
lyxerr << "LyX needs the following commands when LaTeXing:"
<< "\n***** Packages:" << getPackages()
<< "\n***** Macros:" << to_utf8(getMacros())
<< "\n***** Textclass stuff:" << to_utf8(getTClassPreamble())
<< "\n***** done." << endl;
}
Buffer const & LaTeXFeatures::buffer() const
{
return *buffer_;
}
void LaTeXFeatures::setBuffer(Buffer const & buffer)
{
buffer_ = &buffer;
}
BufferParams const & LaTeXFeatures::bufferParams() const
{
return params_;
}
void LaTeXFeatures::getFloatDefinitions(odocstream & os) const
{
FloatList const & floats = params_.documentClass().floats();
// Here we will output the code to create the needed float styles.
// We will try to do this as minimal as possible.
// \floatstyle{ruled}
// \newfloat{algorithm}{htbp}{loa}
// \providecommand{\algorithmname}{Algorithm}
// \floatname{algorithm}{\protect\algorithmname}
UsedFloats::const_iterator cit = usedFloats_.begin();
UsedFloats::const_iterator end = usedFloats_.end();
for (; cit != end; ++cit) {
Floating const & fl = floats.getType(cit->first);
// For builtin floats we do nothing.
if (fl.isPredefined())
continue;
// We have to special case "table" and "figure"
if (fl.floattype() == "tabular" || fl.floattype() == "figure") {
// Output code to modify "table" or "figure"
// but only if builtin == false
// and that have to be true at this point in the
// function.
docstring const type = from_ascii(fl.floattype());
docstring const placement = from_ascii(fl.placement());
docstring const style = from_ascii(fl.style());
if (!style.empty()) {
os << "\\floatstyle{" << style << "}\n"
<< "\\restylefloat{" << type << "}\n";
}
if (!placement.empty()) {
os << "\\floatplacement{" << type << "}{"
<< placement << "}\n";
}
} else {
// The other non builtin floats.
docstring const type = from_ascii(fl.floattype());
docstring const placement = from_ascii(fl.placement());
docstring const ext = from_ascii(fl.ext());
docstring const within = from_ascii(fl.within());
docstring const style = from_ascii(fl.style());
docstring const name =
buffer().language()->translateLayout(fl.name());
os << "\\floatstyle{" << style << "}\n"
<< "\\newfloat{" << type << "}{" << placement
<< "}{" << ext << '}';
if (!within.empty())
os << '[' << within << ']';
os << '\n'
<< "\\providecommand{\\" << type << "name}{"
<< name << "}\n"
<< "\\floatname{" << type << "}{\\protect\\"
<< type << "name}\n";
// What missing here is to code to minimalize the code
// output so that the same floatstyle will not be
// used several times, when the same style is still in
// effect. (Lgb)
}
if (cit->second)
// The subfig package is loaded later
os << "\n\\AtBeginDocument{\\newsubfloat{" << from_ascii(fl.floattype()) << "}}\n";
}
}
void LaTeXFeatures::resolveAlternatives()
{
for (Features::iterator it = features_.begin(); it != features_.end();) {
if (contains(*it, '|')) {
vector<string> const alternatives = getVectorFromString(*it, "|");
vector<string>::const_iterator const end = alternatives.end();
vector<string>::const_iterator ita = alternatives.begin();
// Is any alternative already required? => use that
for (; ita != end; ++ita) {
if (isRequired(*ita))
break;
}
// Is any alternative available? => use the first one
// (bug 9498)
if (ita == end) {
for (ita = alternatives.begin(); ita != end; ++ita) {
if (isAvailable(*ita)) {
require(*ita);
break;
}
}
}
// This will not work, but not requiring something
// would be more confusing
if (ita == end)
require(alternatives.front());
features_.erase(it);
it = features_.begin();
} else
++it;
}
}
} // namespace lyx
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