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https://git.lyx.org/repos/lyx.git
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b730b1c8f8
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@36897 a592a061-630c-0410-9148-cb99ea01b6c8
1166 lines
36 KiB
C++
1166 lines
36 KiB
C++
/**
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* \file output_latex.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Lars Gullik Bjønnes
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "output_latex.h"
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#include "Buffer.h"
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#include "BufferParams.h"
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#include "Encoding.h"
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#include "Font.h"
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#include "InsetList.h"
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#include "Language.h"
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#include "Layout.h"
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#include "LyXRC.h"
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#include "OutputParams.h"
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#include "Paragraph.h"
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#include "ParagraphParameters.h"
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#include "TextClass.h"
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#include "TexRow.h"
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#include "VSpace.h"
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#include "insets/InsetBibitem.h"
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#include "insets/InsetArgument.h"
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#include "support/lassert.h"
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#include "support/debug.h"
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#include "support/lstrings.h"
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#include <boost/next_prior.hpp>
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#include <list>
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using namespace std;
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using namespace lyx::support;
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namespace lyx {
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namespace {
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enum OpenEncoding {
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none,
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inputenc,
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CJK
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};
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static int open_encoding_ = none;
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static int cjk_inherited_ = 0;
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Language const * prev_env_language_ = 0;
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string const getPolyglossiaEnvName(Language const * lang)
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{
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string result = lang->polyglossia();
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if (result == "arabic")
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// exceptional spelling; see polyglossia docs.
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result = "Arabic";
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return result;
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}
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struct TeXEnvironementData
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{
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bool cjk_nested;
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Layout const * style;
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Language const * par_language;
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Encoding const * prev_encoding;
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bool leftindent_open;
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};
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static TeXEnvironementData prepareEnvironement(Buffer const & buf, Text const & text,
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ParagraphList::const_iterator pit, odocstream & os, TexRow & texrow,
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OutputParams const & runparams)
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{
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TeXEnvironementData data;
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BufferParams const & bparams = buf.params();
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// FIXME This test should not be necessary.
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// We should perhaps issue an error if it is.
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Layout const & style = text.inset().forcePlainLayout() ?
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bparams.documentClass().plainLayout() : pit->layout();
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ParagraphList const & paragraphs = text.paragraphs();
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ParagraphList::const_iterator const priorpit =
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pit == paragraphs.begin() ? pit : boost::prior(pit);
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bool const use_prev_env_language = prev_env_language_ != 0
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&& priorpit->layout().isEnvironment()
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&& (priorpit->getDepth() > pit->getDepth()
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|| (priorpit->getDepth() == pit->getDepth()
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&& priorpit->layout() != pit->layout()));
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data.prev_encoding = runparams.encoding;
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data.par_language = pit->getParLanguage(bparams);
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Language const * const doc_language = bparams.language;
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Language const * const prev_par_language =
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(pit != paragraphs.begin())
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? (use_prev_env_language ? prev_env_language_
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: priorpit->getParLanguage(bparams))
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: doc_language;
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string par_lang = data.par_language->babel();
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string prev_par_lang = prev_par_language->babel();
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string doc_lang = doc_language->babel();
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string lang_begin_command = lyxrc.language_command_begin;
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string lang_end_command = lyxrc.language_command_end;
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if (runparams.use_polyglossia) {
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par_lang = getPolyglossiaEnvName(data.par_language);
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prev_par_lang = getPolyglossiaEnvName(prev_par_language);
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doc_lang = getPolyglossiaEnvName(doc_language);
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lang_begin_command = "\\begin{$$lang}";
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lang_end_command = "\\end{$$lang}";
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}
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if (par_lang != prev_par_lang) {
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if (!lang_end_command.empty() &&
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prev_par_lang != doc_lang &&
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!prev_par_lang.empty()) {
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os << from_ascii(subst(
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lang_end_command,
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"$$lang",
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prev_par_lang))
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// the '%' is necessary to prevent unwanted whitespace
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<< "%\n";
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texrow.newline();
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}
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if ((lang_end_command.empty() ||
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par_lang != doc_lang) &&
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!par_lang.empty()) {
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os << from_ascii(subst(
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lang_begin_command,
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"$$lang",
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par_lang));
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if (runparams.use_polyglossia
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&& !data.par_language->polyglossiaOpts().empty())
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os << "["
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<< from_ascii(data.par_language->polyglossiaOpts())
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<< "]";
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// the '%' is necessary to prevent unwanted whitespace
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os << "%\n";
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texrow.newline();
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}
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}
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data.leftindent_open = false;
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if (!pit->params().leftIndent().zero()) {
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os << "\\begin{LyXParagraphLeftIndent}{"
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<< from_ascii(pit->params().leftIndent().asLatexString())
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<< "}\n";
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texrow.newline();
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data.leftindent_open = true;
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}
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if (style.isEnvironment()) {
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os << "\\begin{" << from_ascii(style.latexname()) << '}';
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if (style.optargs != 0 || style.reqargs != 0) {
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int ret = latexArgInsets(*pit, os, runparams, style.reqargs, style.optargs);
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while (ret > 0) {
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texrow.newline();
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--ret;
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}
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}
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if (style.latextype == LATEX_LIST_ENVIRONMENT) {
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os << '{'
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<< pit->params().labelWidthString()
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<< "}\n";
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} else if (style.labeltype == LABEL_BIBLIO) {
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if (pit->params().labelWidthString().empty())
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os << '{' << bibitemWidest(buf, runparams) << "}\n";
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else
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os << '{'
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<< pit->params().labelWidthString()
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<< "}\n";
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} else
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os << from_ascii(style.latexparam()) << '\n';
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texrow.newline();
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}
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data.style = &style;
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// in multilingual environments, the CJK tags have to be nested properly
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data.cjk_nested = false;
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if (data.par_language->encoding()->package() == Encoding::CJK &&
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open_encoding_ != CJK && pit->isMultiLingual(bparams)) {
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if (prev_par_language->encoding()->package() == Encoding::CJK)
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os << "\\begin{CJK}{" << from_ascii(data.par_language->encoding()->latexName())
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<< "}{" << from_ascii(bparams.fonts_cjk) << "}%\n";
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open_encoding_ = CJK;
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data.cjk_nested = true;
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texrow.newline();
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}
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return data;
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}
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static void finishEnvironement(odocstream & os, TexRow & texrow,
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OutputParams const & runparams, TeXEnvironementData const & data)
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{
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if (open_encoding_ == CJK && data.cjk_nested) {
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// We need to close the encoding even if it does not change
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// to do correct environment nesting
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os << "\\end{CJK}\n";
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texrow.newline();
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open_encoding_ = none;
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}
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if (data.style->isEnvironment()) {
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os << "\\end{" << from_ascii(data.style->latexname()) << "}\n";
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texrow.newline();
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prev_env_language_ = data.par_language;
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if (runparams.encoding != data.prev_encoding) {
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runparams.encoding = data.prev_encoding;
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if (!runparams.isFullUnicode())
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os << setEncoding(data.prev_encoding->iconvName());
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}
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}
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if (data.leftindent_open) {
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os << "\\end{LyXParagraphLeftIndent}\n";
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texrow.newline();
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prev_env_language_ = data.par_language;
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if (runparams.encoding != data.prev_encoding) {
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runparams.encoding = data.prev_encoding;
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if (!runparams.isFullUnicode())
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os << setEncoding(data.prev_encoding->iconvName());
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}
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}
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}
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ParagraphList::const_iterator
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TeXEnvironment(Buffer const & buf,
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Text const & text,
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ParagraphList::const_iterator pit,
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odocstream & os, TexRow & texrow,
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OutputParams const & runparams)
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{
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LYXERR(Debug::LATEX, "TeXEnvironment... " << &*pit);
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ParagraphList const & paragraphs = text.paragraphs();
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ParagraphList::const_iterator par = pit;
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do {
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TeXOnePar(buf, text, par, os, texrow, runparams);
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if (par != paragraphs.end())
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par++;
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if (par == paragraphs.end()) {
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// Make sure that the last paragraph is
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// correctly terminated (because TeXOnePar does
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// not add a \n in this case)
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os << '\n';
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texrow.newline();
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} else if (par->params().depth() > pit->params().depth()) {
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if (par->layout().isParagraph()) {
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// Thinko!
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// How to handle this? (Lgb)
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//&& !suffixIs(os, "\n\n")
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// There should be at least one '\n' already
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// but we need there to be two for Standard
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// paragraphs that are depth-increment'ed to be
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// output correctly. However, tables can
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// also be paragraphs so don't adjust them.
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// ARRae
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// Thinkee:
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// Will it ever harm to have one '\n' too
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// many? i.e. that we sometimes will have
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// three in a row. (Lgb)
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os << '\n';
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texrow.newline();
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}
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LYXERR(Debug::LATEX, "TeXDeeper... " << &*par);
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bool const force_plain_layout = text.inset().forcePlainLayout();
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depth_type const max_depth = par->params().depth();
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// FIXME: move that to a for loop!
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while (par != paragraphs.end()
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&& par->params().depth() == max_depth) {
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// FIXME This test should not be necessary.
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// We should perhaps issue an error if it is.
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Layout const & style = force_plain_layout
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? buf.params().documentClass().plainLayout() : par->layout();
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if (style.isEnvironment()) {
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TeXEnvironementData const data = prepareEnvironement(buf,
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text, par, os, texrow, runparams);
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// Recursive call to TeXEnvironment!
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par = TeXEnvironment(buf, text, par, os, texrow, runparams);
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finishEnvironement(os, texrow, runparams, data);
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} else {
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TeXOnePar(buf, text, par, os, texrow, runparams);
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if (par != text.paragraphs().end())
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par++;
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}
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}
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LYXERR(Debug::LATEX, "TeXDeeper...done ");
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}
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} while (par != paragraphs.end()
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&& par->layout() == pit->layout()
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&& par->params().depth() == pit->params().depth()
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&& par->params().leftIndent() == pit->params().leftIndent());
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if (par != paragraphs.end())
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LYXERR(Debug::LATEX, "TeXEnvironment...done " << &*par);
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return par;
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}
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} // namespace anon
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int latexArgInsets(Paragraph const & par, odocstream & os,
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OutputParams const & runparams, unsigned int reqargs,
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unsigned int optargs)
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{
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unsigned int totalargs = reqargs + optargs;
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list<InsetArgument const *> ilist;
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InsetList::const_iterator it = par.insetList().begin();
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InsetList::const_iterator end = par.insetList().end();
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for (; it != end; ++it) {
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if (it->inset->lyxCode() == ARG_CODE) {
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if (ilist.size() >= totalargs) {
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LYXERR0("WARNING: Found extra argument inset.");
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continue;
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}
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InsetArgument const * ins =
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static_cast<InsetArgument const *>(it->inset);
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ilist.push_back(ins);
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}
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}
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if (!reqargs && ilist.size() == 0)
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return 0;
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int lines = 0;
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bool const have_optional_args = ilist.size() > reqargs;
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if (have_optional_args) {
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unsigned int todo = ilist.size() - reqargs;
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for (unsigned int i = 0; i < todo; ++i) {
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InsetArgument const * ins = ilist.front();
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ilist.pop_front();
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lines += ins->latexArgument(os, runparams, true);
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}
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}
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// we should now have no more insets than there are required
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// arguments.
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LASSERT(ilist.size() <= reqargs, /* */);
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if (!reqargs)
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return lines;
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for (unsigned int i = 0; i < reqargs; ++i) {
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if (ilist.empty())
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// a required argument wasn't given, so we output {}
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os << "{}";
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else {
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InsetArgument const * ins = ilist.front();
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ilist.pop_front();
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lines += ins->latexArgument(os, runparams, false);
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}
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}
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return lines;
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}
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// FIXME: this should be anonymous
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void TeXOnePar(Buffer const & buf,
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Text const & text,
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ParagraphList::const_iterator const pit,
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odocstream & os, TexRow & texrow,
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OutputParams const & runparams_in,
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string const & everypar,
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int start_pos, int end_pos)
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{
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LYXERR(Debug::LATEX, "TeXOnePar... " << &*pit << " '"
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<< everypar << "'");
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BufferParams const & bparams = buf.params();
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// FIXME This check should not really be needed.
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// Perhaps we should issue an error if it is.
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Layout const style = text.inset().forcePlainLayout() ?
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bparams.documentClass().plainLayout() : pit->layout();
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ParagraphList const & paragraphs = text.paragraphs();
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ParagraphList::const_iterator const priorpit =
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pit == paragraphs.begin() ? pit : boost::prior(pit);
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ParagraphList::const_iterator const nextpit =
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pit == paragraphs.end() ? pit : boost::next(pit);
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if (style.inpreamble)
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return;
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OutputParams runparams = runparams_in;
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runparams.isLastPar = nextpit == paragraphs.end();
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bool const maintext = text.isMainText();
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// we are at the beginning of an inset and CJK is already open;
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// we count inheritation levels to get the inset nesting right.
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if (pit == paragraphs.begin() && !maintext
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&& (cjk_inherited_ > 0 || open_encoding_ == CJK)) {
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cjk_inherited_ += 1;
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open_encoding_ = none;
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}
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if (text.inset().getLayout().isPassThru()) {
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int const dist = distance(paragraphs.begin(), pit);
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Font const outerfont = text.outerFont(dist);
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// No newline before first paragraph in this lyxtext
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if (dist > 0) {
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os << '\n';
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texrow.newline();
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if (!text.inset().getLayout().parbreakIsNewline()) {
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os << '\n';
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texrow.newline();
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}
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}
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pit->latex(bparams, outerfont, os, texrow,
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runparams, start_pos, end_pos);
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return;
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}
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if (style.pass_thru) {
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int const dist = distance(paragraphs.begin(), pit);
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Font const outerfont = text.outerFont(dist);
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pit->latex(bparams, outerfont, os, texrow,
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runparams, start_pos, end_pos);
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os << '\n';
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texrow.newline();
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if (!style.parbreak_is_newline) {
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os << '\n';
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texrow.newline();
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} else if (nextpit != paragraphs.end()) {
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Layout const nextstyle = text.inset().forcePlainLayout() ?
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bparams.documentClass().plainLayout() : nextpit->layout();
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if (nextstyle.name() != style.name()) {
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os << '\n';
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texrow.newline();
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}
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}
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return;
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}
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// This paragraph's language
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Language const * const par_language = pit->getParLanguage(bparams);
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// The document's language
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Language const * const doc_language = bparams.language;
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// The language that was in effect when the environment this paragraph is
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// inside of was opened
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Language const * const outer_language =
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(runparams.local_font != 0) ?
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runparams.local_font->language() : doc_language;
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// The previous language that was in effect is the language of the
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// previous paragraph, unless the previous paragraph is inside an
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// environment with nesting depth greater than (or equal to, but with
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// a different layout) the current one. If there is no previous
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// paragraph, the previous language is the outer language.
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bool const use_prev_env_language = prev_env_language_ != 0
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&& priorpit->layout().isEnvironment()
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&& (priorpit->getDepth() > pit->getDepth()
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|| (priorpit->getDepth() == pit->getDepth()
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&& priorpit->layout() != pit->layout()));
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Language const * const prev_language =
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(pit != paragraphs.begin())
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? (use_prev_env_language ? prev_env_language_
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: priorpit->getParLanguage(bparams))
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: outer_language;
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string par_lang = par_language->babel();
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string prev_lang = prev_language->babel();
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string doc_lang = doc_language->babel();
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string outer_lang = outer_language->babel();
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string lang_begin_command = lyxrc.language_command_begin;
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string lang_end_command = lyxrc.language_command_end;
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if (runparams.use_polyglossia) {
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par_lang = getPolyglossiaEnvName(par_language);
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prev_lang = getPolyglossiaEnvName(prev_language);
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doc_lang = getPolyglossiaEnvName(doc_language);
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outer_lang = getPolyglossiaEnvName(outer_language);
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lang_begin_command = "\\begin{$$lang}";
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lang_end_command = "\\end{$$lang}";
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}
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if (par_lang != prev_lang
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// check if we already put language command in TeXEnvironment()
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&& !(style.isEnvironment()
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&& (pit == paragraphs.begin() ||
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(priorpit->layout() != pit->layout() &&
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priorpit->getDepth() <= pit->getDepth())
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|| priorpit->getDepth() < pit->getDepth())))
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{
|
|
if (!lang_end_command.empty() &&
|
|
prev_lang != outer_lang &&
|
|
!prev_lang.empty())
|
|
{
|
|
os << from_ascii(subst(lang_end_command,
|
|
"$$lang",
|
|
prev_lang))
|
|
// the '%' is necessary to prevent unwanted whitespace
|
|
<< "%\n";
|
|
texrow.newline();
|
|
}
|
|
|
|
// We need to open a new language if we couldn't close the previous
|
|
// one (because there's no language_command_end); and even if we closed
|
|
// the previous one, if the current language is different than the
|
|
// outer_language (which is currently in effect once the previous one
|
|
// is closed).
|
|
if ((lang_end_command.empty() ||
|
|
par_lang != outer_lang) &&
|
|
!par_lang.empty()) {
|
|
// If we're inside an inset, and that inset is within an \L or \R
|
|
// (or equivalents), then within the inset, too, any opposite
|
|
// language paragraph should appear within an \L or \R (in addition
|
|
// to, outside of, the normal language switch commands).
|
|
// This behavior is not correct for ArabTeX, though.
|
|
if (!runparams.use_polyglossia &&
|
|
// not for ArabTeX
|
|
(par_language->lang() != "arabic_arabtex" &&
|
|
outer_language->lang() != "arabic_arabtex") &&
|
|
// are we in an inset?
|
|
runparams.local_font != 0 &&
|
|
// is the inset within an \L or \R?
|
|
//
|
|
// FIXME: currently, we don't check this; this means that
|
|
// we'll have unnnecessary \L and \R commands, but that
|
|
// doesn't seem to hurt (though latex will complain)
|
|
//
|
|
// is this paragraph in the opposite direction?
|
|
runparams.local_font->isRightToLeft() !=
|
|
par_language->rightToLeft()
|
|
) {
|
|
// FIXME: I don't have a working copy of the Arabi package, so
|
|
// I'm not sure if the farsi and arabic_arabi stuff is correct
|
|
// or not...
|
|
if (par_language->lang() == "farsi")
|
|
os << "\\textFR{";
|
|
else if (outer_language->lang() == "farsi")
|
|
os << "\\textLR{";
|
|
else if (par_language->lang() == "arabic_arabi")
|
|
os << "\\textAR{";
|
|
else if (outer_language->lang() == "arabic_arabi")
|
|
os << "\\textLR{";
|
|
// remaining RTL languages currently is hebrew
|
|
else if (par_language->rightToLeft())
|
|
os << "\\R{";
|
|
else
|
|
os << "\\L{";
|
|
}
|
|
// With CJK, the CJK tag has to be closed first (see below)
|
|
if (runparams.encoding->package() != Encoding::CJK) {
|
|
os << from_ascii(subst(
|
|
lang_begin_command,
|
|
"$$lang",
|
|
par_lang));
|
|
if (runparams.use_polyglossia
|
|
&& !par_language->polyglossiaOpts().empty())
|
|
os << "["
|
|
<< from_ascii(par_language->polyglossiaOpts())
|
|
<< "]";
|
|
// the '%' is necessary to prevent unwanted whitespace
|
|
os << "%\n";
|
|
texrow.newline();
|
|
}
|
|
}
|
|
}
|
|
|
|
// Switch file encoding if necessary; no need to do this for "default"
|
|
// encoding, since this only affects the position of the outputted
|
|
// \inputencoding command; the encoding switch will occur when necessary
|
|
if (bparams.inputenc == "auto" &&
|
|
runparams.encoding->package() != Encoding::none) {
|
|
// Look ahead for future encoding changes.
|
|
// We try to output them at the beginning of the paragraph,
|
|
// since the \inputencoding command is not allowed e.g. in
|
|
// sections. For this reason we only set runparams.moving_arg
|
|
// after checking for the encoding change, otherwise the
|
|
// change would be always avoided by switchEncoding().
|
|
for (pos_type i = 0; i < pit->size(); ++i) {
|
|
char_type const c = pit->getChar(i);
|
|
Encoding const * const encoding =
|
|
pit->getFontSettings(bparams, i).language()->encoding();
|
|
if (encoding->package() != Encoding::CJK &&
|
|
runparams.encoding->package() == Encoding::inputenc &&
|
|
c < 0x80)
|
|
continue;
|
|
if (pit->isInset(i))
|
|
break;
|
|
// All characters before c are in the ASCII range, and
|
|
// c is non-ASCII (but no inset), so change the
|
|
// encoding to that required by the language of c.
|
|
// With CJK, only add switch if we have CJK content at the beginning
|
|
// of the paragraph
|
|
if (encoding->package() != Encoding::CJK || i == 0) {
|
|
pair<bool, int> enc_switch = switchEncoding(os, bparams, runparams,
|
|
*encoding);
|
|
// the following is necessary after a CJK environment in a multilingual
|
|
// context (nesting issue).
|
|
if (par_language->encoding()->package() == Encoding::CJK &&
|
|
open_encoding_ != CJK && cjk_inherited_ == 0) {
|
|
os << "\\begin{CJK}{" << from_ascii(par_language->encoding()->latexName())
|
|
<< "}{" << from_ascii(bparams.fonts_cjk) << "}%\n";
|
|
open_encoding_ = CJK;
|
|
texrow.newline();
|
|
}
|
|
if (encoding->package() != Encoding::none && enc_switch.first) {
|
|
if (enc_switch.second > 0) {
|
|
// the '%' is necessary to prevent unwanted whitespace
|
|
os << "%\n";
|
|
texrow.newline();
|
|
}
|
|
// With CJK, the CJK tag had to be closed first (see above)
|
|
if (runparams.encoding->package() == Encoding::CJK) {
|
|
os << from_ascii(subst(
|
|
lang_begin_command,
|
|
"$$lang",
|
|
par_lang))
|
|
// the '%' is necessary to prevent unwanted whitespace
|
|
<< "%\n";
|
|
texrow.newline();
|
|
}
|
|
runparams.encoding = encoding;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
runparams.moving_arg |= style.needprotect;
|
|
Encoding const * const prev_encoding = runparams.encoding;
|
|
|
|
bool const useSetSpace = bparams.documentClass().provides("SetSpace");
|
|
if (pit->allowParagraphCustomization()) {
|
|
if (pit->params().startOfAppendix()) {
|
|
os << "\\appendix\n";
|
|
texrow.newline();
|
|
}
|
|
|
|
if (!pit->params().spacing().isDefault()
|
|
&& (pit == paragraphs.begin()
|
|
|| !priorpit->hasSameLayout(*pit)))
|
|
{
|
|
os << from_ascii(pit->params().spacing().writeEnvirBegin(useSetSpace))
|
|
<< '\n';
|
|
texrow.newline();
|
|
}
|
|
|
|
if (style.isCommand()) {
|
|
os << '\n';
|
|
texrow.newline();
|
|
}
|
|
}
|
|
|
|
switch (style.latextype) {
|
|
case LATEX_COMMAND:
|
|
os << '\\' << from_ascii(style.latexname());
|
|
|
|
// Separate handling of optional argument inset.
|
|
if (style.optargs != 0 || style.reqargs != 0) {
|
|
int ret = latexArgInsets(*pit, os, runparams, style.reqargs, style.optargs);
|
|
while (ret > 0) {
|
|
texrow.newline();
|
|
--ret;
|
|
}
|
|
}
|
|
else
|
|
os << from_ascii(style.latexparam());
|
|
break;
|
|
case LATEX_ITEM_ENVIRONMENT:
|
|
case LATEX_LIST_ENVIRONMENT:
|
|
os << "\\item ";
|
|
break;
|
|
case LATEX_BIB_ENVIRONMENT:
|
|
// ignore this, the inset will write itself
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
Font const outerfont = text.outerFont(distance(paragraphs.begin(), pit));
|
|
|
|
// FIXME UNICODE
|
|
os << from_utf8(everypar);
|
|
pit->latex(bparams, outerfont, os, texrow,
|
|
runparams, start_pos, end_pos);
|
|
|
|
// Make sure that \\par is done with the font of the last
|
|
// character if this has another size as the default.
|
|
// This is necessary because LaTeX (and LyX on the screen)
|
|
// calculates the space between the baselines according
|
|
// to this font. (Matthias)
|
|
//
|
|
// Is this really needed ? (Dekel)
|
|
// We do not need to use to change the font for the last paragraph
|
|
// or for a command.
|
|
|
|
Font const font = pit->empty()
|
|
? pit->getLayoutFont(bparams, outerfont)
|
|
: pit->getFont(bparams, pit->size() - 1, outerfont);
|
|
|
|
bool const is_command = style.isCommand();
|
|
|
|
if (style.resfont.size() != font.fontInfo().size()
|
|
&& nextpit != paragraphs.end()
|
|
&& !is_command) {
|
|
os << '{';
|
|
os << "\\" << from_ascii(font.latexSize()) << " \\par}";
|
|
} else if (is_command) {
|
|
os << '}';
|
|
if (runparams.encoding != prev_encoding) {
|
|
runparams.encoding = prev_encoding;
|
|
if (!runparams.isFullUnicode())
|
|
os << setEncoding(prev_encoding->iconvName());
|
|
}
|
|
}
|
|
|
|
bool pending_newline = false;
|
|
switch (style.latextype) {
|
|
case LATEX_ITEM_ENVIRONMENT:
|
|
case LATEX_LIST_ENVIRONMENT:
|
|
if (nextpit != paragraphs.end()
|
|
&& (pit->params().depth() < nextpit->params().depth()))
|
|
pending_newline = true;
|
|
break;
|
|
case LATEX_ENVIRONMENT: {
|
|
// if its the last paragraph of the current environment
|
|
// skip it otherwise fall through
|
|
if (nextpit != paragraphs.end() &&
|
|
(nextpit->layout() != pit->layout()
|
|
|| nextpit->params().depth() != pit->params().depth()))
|
|
break;
|
|
}
|
|
|
|
// fall through possible
|
|
default:
|
|
// we don't need it for the last paragraph!!!
|
|
if (nextpit != paragraphs.end())
|
|
pending_newline = true;
|
|
}
|
|
|
|
if (pit->allowParagraphCustomization()) {
|
|
if (!pit->params().spacing().isDefault()
|
|
&& (nextpit == paragraphs.end() || !nextpit->hasSameLayout(*pit)))
|
|
{
|
|
if (pending_newline) {
|
|
os << '\n';
|
|
texrow.newline();
|
|
}
|
|
os << from_ascii(pit->params().spacing().writeEnvirEnd(useSetSpace));
|
|
pending_newline = true;
|
|
}
|
|
}
|
|
|
|
// Closing the language is needed for the last paragraph; it is also
|
|
// needed if we're within an \L or \R that we may have opened above (not
|
|
// necessarily in this paragraph) and are about to close.
|
|
bool closing_rtl_ltr_environment =
|
|
!runparams.use_polyglossia &&
|
|
// not for ArabTeX
|
|
(par_language->lang() != "arabic_arabtex" &&
|
|
outer_language->lang() != "arabic_arabtex") &&
|
|
// have we opened and \L or \R environment?
|
|
runparams.local_font != 0 &&
|
|
runparams.local_font->isRightToLeft() != par_language->rightToLeft() &&
|
|
// are we about to close the language?
|
|
((nextpit != paragraphs.end() &&
|
|
par_language->babel() !=
|
|
(nextpit->getParLanguage(bparams))->babel()) ||
|
|
(nextpit == paragraphs.end() &&
|
|
par_language->babel() != outer_language->babel()));
|
|
|
|
if (closing_rtl_ltr_environment || (nextpit == paragraphs.end()
|
|
&& par_language->babel() != outer_language->babel())) {
|
|
// Since \selectlanguage write the language to the aux file,
|
|
// we need to reset the language at the end of footnote or
|
|
// float.
|
|
|
|
if (pending_newline) {
|
|
os << '\n';
|
|
texrow.newline();
|
|
}
|
|
// when the paragraph uses CJK, the language has to be closed earlier
|
|
if (font.language()->encoding()->package() != Encoding::CJK) {
|
|
if (lang_end_command.empty()) {
|
|
// If this is a child, we should restore the
|
|
// master language after the last paragraph.
|
|
Language const * const current_language =
|
|
(nextpit == paragraphs.end()
|
|
&& runparams.master_language)
|
|
? runparams.master_language
|
|
: outer_language;
|
|
string const current_lang = runparams.use_polyglossia ?
|
|
getPolyglossiaEnvName(current_language)
|
|
: current_language->babel();
|
|
if (!current_lang.empty()) {
|
|
os << from_ascii(subst(
|
|
lang_begin_command,
|
|
"$$lang",
|
|
current_lang));
|
|
pending_newline = true;
|
|
}
|
|
} else if (!par_lang.empty()) {
|
|
os << from_ascii(subst(
|
|
lang_end_command,
|
|
"$$lang",
|
|
par_lang));
|
|
pending_newline = true;
|
|
}
|
|
}
|
|
}
|
|
if (closing_rtl_ltr_environment)
|
|
os << "}";
|
|
|
|
if (pending_newline) {
|
|
os << '\n';
|
|
texrow.newline();
|
|
}
|
|
|
|
// if this is a CJK-paragraph and the next isn't, close CJK
|
|
// also if the next paragraph is a multilingual environment (because of nesting)
|
|
if (nextpit != paragraphs.end() && open_encoding_ == CJK &&
|
|
(nextpit->getParLanguage(bparams)->encoding()->package() != Encoding::CJK ||
|
|
(nextpit->layout().isEnvironment() && nextpit->isMultiLingual(bparams)))
|
|
// inbetween environments, CJK has to be closed later (nesting!)
|
|
&& (!style.isEnvironment() || !nextpit->layout().isEnvironment())) {
|
|
os << "\\end{CJK}\n";
|
|
open_encoding_ = none;
|
|
}
|
|
|
|
// If this is the last paragraph, close the CJK environment
|
|
// if necessary. If it's an environment, we'll have to \end that first.
|
|
if (nextpit == paragraphs.end() && !style.isEnvironment()) {
|
|
switch (open_encoding_) {
|
|
case CJK: {
|
|
// do nothing at the end of child documents
|
|
if (maintext && buf.masterBuffer() != &buf)
|
|
break;
|
|
// end of main text
|
|
if (maintext) {
|
|
os << '\n';
|
|
texrow.newline();
|
|
os << "\\end{CJK}\n";
|
|
texrow.newline();
|
|
// end of an inset
|
|
} else
|
|
os << "\\end{CJK}";
|
|
open_encoding_ = none;
|
|
break;
|
|
}
|
|
case inputenc: {
|
|
os << "\\egroup";
|
|
open_encoding_ = none;
|
|
break;
|
|
}
|
|
case none:
|
|
default:
|
|
// do nothing
|
|
break;
|
|
}
|
|
}
|
|
|
|
// If this is the last paragraph, and a local_font was set upon entering
|
|
// the inset, and we're using "auto" or "default" encoding, the encoding
|
|
// should be set back to that local_font's encoding.
|
|
// However, do not change the encoding when a fully unicode aware backend
|
|
// such as XeTeX is used.
|
|
if (nextpit == paragraphs.end() && runparams_in.local_font != 0
|
|
&& runparams_in.encoding != runparams_in.local_font->language()->encoding()
|
|
&& (bparams.inputenc == "auto" || bparams.inputenc == "default")
|
|
&& (!runparams.isFullUnicode())) {
|
|
runparams_in.encoding = runparams_in.local_font->language()->encoding();
|
|
os << setEncoding(runparams_in.encoding->iconvName());
|
|
}
|
|
// Otherwise, the current encoding should be set for the next paragraph.
|
|
else
|
|
runparams_in.encoding = runparams.encoding;
|
|
|
|
|
|
// we don't need a newline for the last paragraph!!!
|
|
// Note from JMarc: we will re-add a \n explicitly in
|
|
// TeXEnvironment, because it is needed in this case
|
|
if (nextpit != paragraphs.end()) {
|
|
Layout const & next_layout = nextpit->layout();
|
|
if (style == next_layout
|
|
// no blank lines before environments!
|
|
|| !next_layout.isEnvironment()
|
|
// unless there's a depth change
|
|
// FIXME What we really want to do here is put every \begin and \end
|
|
// tag on a new line (which was not the case with nested environments).
|
|
// But in the present state of play, we don't have access to the
|
|
// information whether the current TeX row is empty or not.
|
|
// For some ideas about how to fix this, see this thread:
|
|
// http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg145787.html
|
|
|| nextpit->params().depth() != pit->params().depth()) {
|
|
os << '\n';
|
|
texrow.newline();
|
|
}
|
|
}
|
|
|
|
if (nextpit != paragraphs.end())
|
|
LYXERR(Debug::LATEX, "TeXOnePar...done " << &*nextpit);
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
// LaTeX all paragraphs
|
|
void latexParagraphs(Buffer const & buf,
|
|
Text const & text,
|
|
odocstream & os,
|
|
TexRow & texrow,
|
|
OutputParams const & runparams,
|
|
string const & everypar)
|
|
{
|
|
bool was_title = false;
|
|
bool already_title = false;
|
|
BufferParams const & bparams = buf.params();
|
|
DocumentClass const & tclass = bparams.documentClass();
|
|
ParagraphList const & paragraphs = text.paragraphs();
|
|
ParagraphList::const_iterator par = paragraphs.begin();
|
|
ParagraphList::const_iterator endpar = paragraphs.end();
|
|
|
|
LASSERT(runparams.par_begin <= runparams.par_end, /**/);
|
|
// if only part of the paragraphs will be outputed
|
|
if (runparams.par_begin != runparams.par_end) {
|
|
par = boost::next(paragraphs.begin(), runparams.par_begin);
|
|
endpar = boost::next(paragraphs.begin(), runparams.par_end);
|
|
// runparams will be passed to nested paragraphs, so
|
|
// we have to reset the range parameters.
|
|
const_cast<OutputParams&>(runparams).par_begin = 0;
|
|
const_cast<OutputParams&>(runparams).par_end = 0;
|
|
}
|
|
|
|
bool const maintext = text.isMainText();
|
|
bool const is_child = buf.masterBuffer() != &buf;
|
|
|
|
// Open a CJK environment at the beginning of the main buffer
|
|
// if the document's language is a CJK language
|
|
// (but not in child documents)
|
|
if (maintext && !is_child
|
|
&& bparams.encoding().package() == Encoding::CJK) {
|
|
os << "\\begin{CJK}{" << from_ascii(bparams.encoding().latexName())
|
|
<< "}{" << from_ascii(bparams.fonts_cjk) << "}%\n";
|
|
texrow.newline();
|
|
open_encoding_ = CJK;
|
|
}
|
|
// if "auto begin" is switched off, explicitly switch the
|
|
// language on at start
|
|
string const mainlang = runparams.use_polyglossia ?
|
|
getPolyglossiaEnvName(bparams.language)
|
|
: bparams.language->babel();
|
|
string const lang_begin_command = runparams.use_polyglossia ?
|
|
"\\begin{$$lang}" : lyxrc.language_command_begin;
|
|
|
|
if (maintext && !lyxrc.language_auto_begin &&
|
|
!mainlang.empty()) {
|
|
// FIXME UNICODE
|
|
os << from_utf8(subst(lang_begin_command,
|
|
"$$lang",
|
|
mainlang));
|
|
if (runparams.use_polyglossia
|
|
&& !bparams.language->polyglossiaOpts().empty())
|
|
os << "["
|
|
<< from_ascii(bparams.language->polyglossiaOpts())
|
|
<< "]";
|
|
os << '\n';
|
|
texrow.newline();
|
|
}
|
|
|
|
ParagraphList::const_iterator lastpar;
|
|
// if only_body
|
|
while (par != endpar) {
|
|
lastpar = par;
|
|
// FIXME This check should not be needed. We should
|
|
// perhaps issue an error if it is.
|
|
Layout const & layout = text.inset().forcePlainLayout() ?
|
|
tclass.plainLayout() : par->layout();
|
|
|
|
if (layout.intitle) {
|
|
if (already_title) {
|
|
lyxerr << "Error in latexParagraphs: You"
|
|
" should not mix title layouts"
|
|
" with normal ones." << endl;
|
|
} else if (!was_title) {
|
|
was_title = true;
|
|
if (tclass.titletype() == TITLE_ENVIRONMENT) {
|
|
os << "\\begin{"
|
|
<< from_ascii(tclass.titlename())
|
|
<< "}\n";
|
|
texrow.newline();
|
|
}
|
|
}
|
|
} else if (was_title && !already_title) {
|
|
if (tclass.titletype() == TITLE_ENVIRONMENT) {
|
|
os << "\\end{" << from_ascii(tclass.titlename())
|
|
<< "}\n";
|
|
}
|
|
else {
|
|
os << "\\" << from_ascii(tclass.titlename())
|
|
<< "\n";
|
|
}
|
|
texrow.newline();
|
|
already_title = true;
|
|
was_title = false;
|
|
}
|
|
|
|
if (layout.isEnvironment() ||
|
|
!par->params().leftIndent().zero()) {
|
|
TeXEnvironementData const data = prepareEnvironement(buf, text,
|
|
par, os, texrow, runparams);
|
|
par = TeXEnvironment(buf, text, par, os, texrow, runparams);
|
|
finishEnvironement(os, texrow, runparams, data);
|
|
} else {
|
|
TeXOnePar(buf, text, par, os, texrow, runparams, everypar);
|
|
if (par != paragraphs.end())
|
|
par++;
|
|
}
|
|
if (distance(lastpar, par) >= distance(lastpar, endpar))
|
|
break;
|
|
}
|
|
|
|
// It might be that we only have a title in this document
|
|
if (was_title && !already_title) {
|
|
if (tclass.titletype() == TITLE_ENVIRONMENT) {
|
|
os << "\\end{" << from_ascii(tclass.titlename())
|
|
<< "}\n";
|
|
}
|
|
else {
|
|
os << "\\" << from_ascii(tclass.titlename())
|
|
<< "\n";
|
|
}
|
|
texrow.newline();
|
|
}
|
|
|
|
// if "auto end" is switched off, explicitly close the language at the end
|
|
// but only if the last par is in a babel language
|
|
string const lang_end_command = runparams.use_polyglossia ?
|
|
"\\end{$$lang}" : lyxrc.language_command_end;
|
|
if (maintext && !lyxrc.language_auto_end && !mainlang.empty() &&
|
|
lastpar->getParLanguage(bparams)->encoding()->package() != Encoding::CJK) {
|
|
os << from_utf8(subst(lang_end_command,
|
|
"$$lang",
|
|
mainlang))
|
|
<< '\n';
|
|
texrow.newline();
|
|
}
|
|
|
|
// If the last paragraph is an environment, we'll have to close
|
|
// CJK at the very end to do proper nesting.
|
|
if (maintext && !is_child && open_encoding_ == CJK) {
|
|
os << "\\end{CJK}\n";
|
|
texrow.newline();
|
|
open_encoding_ = none;
|
|
}
|
|
|
|
// reset inherited encoding
|
|
if (cjk_inherited_ > 0) {
|
|
cjk_inherited_ -= 1;
|
|
if (cjk_inherited_ == 0)
|
|
open_encoding_ = CJK;
|
|
}
|
|
}
|
|
|
|
|
|
pair<bool, int> switchEncoding(odocstream & os, BufferParams const & bparams,
|
|
OutputParams const & runparams, Encoding const & newEnc,
|
|
bool force)
|
|
{
|
|
Encoding const & oldEnc = *runparams.encoding;
|
|
bool moving_arg = runparams.moving_arg;
|
|
if (!force && ((bparams.inputenc != "auto" && bparams.inputenc != "default")
|
|
|| moving_arg))
|
|
return make_pair(false, 0);
|
|
|
|
// Do nothing if the encoding is unchanged.
|
|
if (oldEnc.name() == newEnc.name())
|
|
return make_pair(false, 0);
|
|
|
|
// FIXME We ignore encoding switches from/to encodings that do
|
|
// neither support the inputenc package nor the CJK package here.
|
|
// This does of course only work in special cases (e.g. switch from
|
|
// tis620-0 to latin1, but the text in latin1 contains ASCII only),
|
|
// but it is the best we can do
|
|
if (oldEnc.package() == Encoding::none
|
|
|| newEnc.package() == Encoding::none)
|
|
return make_pair(false, 0);
|
|
|
|
LYXERR(Debug::LATEX, "Changing LaTeX encoding from "
|
|
<< oldEnc.name() << " to " << newEnc.name());
|
|
os << setEncoding(newEnc.iconvName());
|
|
if (bparams.inputenc == "default")
|
|
return make_pair(true, 0);
|
|
|
|
docstring const inputenc_arg(from_ascii(newEnc.latexName()));
|
|
switch (newEnc.package()) {
|
|
case Encoding::none:
|
|
case Encoding::japanese:
|
|
// shouldn't ever reach here, see above
|
|
return make_pair(true, 0);
|
|
case Encoding::inputenc: {
|
|
int count = inputenc_arg.length();
|
|
if (oldEnc.package() == Encoding::CJK &&
|
|
open_encoding_ == CJK) {
|
|
os << "\\end{CJK}";
|
|
open_encoding_ = none;
|
|
count += 9;
|
|
}
|
|
else if (oldEnc.package() == Encoding::inputenc &&
|
|
open_encoding_ == inputenc) {
|
|
os << "\\egroup";
|
|
open_encoding_ = none;
|
|
count += 7;
|
|
}
|
|
if (runparams.local_font != 0
|
|
&& oldEnc.package() == Encoding::CJK) {
|
|
// within insets, \inputenc switches need
|
|
// to be embraced within \bgroup...\egroup;
|
|
// else CJK fails.
|
|
os << "\\bgroup";
|
|
count += 7;
|
|
open_encoding_ = inputenc;
|
|
}
|
|
// with the japanese option, inputenc is omitted.
|
|
if (runparams.use_japanese)
|
|
return make_pair(true, count);
|
|
os << "\\inputencoding{" << inputenc_arg << '}';
|
|
return make_pair(true, count + 16);
|
|
}
|
|
case Encoding::CJK: {
|
|
int count = inputenc_arg.length();
|
|
if (oldEnc.package() == Encoding::CJK &&
|
|
open_encoding_ == CJK) {
|
|
os << "\\end{CJK}";
|
|
count += 9;
|
|
}
|
|
if (oldEnc.package() == Encoding::inputenc &&
|
|
open_encoding_ == inputenc) {
|
|
os << "\\egroup";
|
|
count += 7;
|
|
}
|
|
os << "\\begin{CJK}{" << inputenc_arg << "}{"
|
|
<< from_ascii(bparams.fonts_cjk) << "}";
|
|
open_encoding_ = CJK;
|
|
return make_pair(true, count + 15);
|
|
}
|
|
}
|
|
// Dead code to avoid a warning:
|
|
return make_pair(true, 0);
|
|
|
|
}
|
|
|
|
} // namespace lyx
|