mirror of
https://git.lyx.org/repos/lyx.git
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9abb7db468
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@22104 a592a061-630c-0410-9148-cb99ea01b6c8
947 lines
28 KiB
C++
947 lines
28 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 "support/debug.h"
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#include "Encoding.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 "paragraph_funcs.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/InsetOptArg.h"
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#include "support/lstrings.h"
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#include <boost/next_prior.hpp>
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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 bool cjk_inherited_ = false;
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ParagraphList::const_iterator
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TeXEnvironment(Buffer const & buf,
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ParagraphList const & paragraphs,
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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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ParagraphList::const_iterator
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TeXOnePar(Buffer const & buf,
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ParagraphList const & paragraphs,
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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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string const & everypar = string());
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ParagraphList::const_iterator
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TeXDeeper(Buffer const & buf,
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ParagraphList const & paragraphs,
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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, "TeXDeeper... " << &*pit);
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ParagraphList::const_iterator par = pit;
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while (par != paragraphs.end() &&
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par->params().depth() == pit->params().depth()) {
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if (par->layout()->isEnvironment()) {
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par = TeXEnvironment(buf, paragraphs, par,
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os, texrow, runparams);
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} else {
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par = TeXOnePar(buf, paragraphs, par,
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os, texrow, runparams);
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}
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}
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LYXERR(Debug::LATEX, "TeXDeeper...done ");
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return par;
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}
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ParagraphList::const_iterator
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TeXEnvironment(Buffer const & buf,
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ParagraphList const & paragraphs,
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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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BufferParams const & bparams = buf.params();
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LayoutPtr const & style = pit->layout();
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Language const * const 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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? boost::prior(pit)->getParLanguage(bparams)
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: doc_language;
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if (par_language->babel() != prev_par_language->babel()) {
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if (!lyxrc.language_command_end.empty() &&
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prev_par_language->babel() != doc_language->babel() &&
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!prev_par_language->babel().empty()) {
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os << from_ascii(subst(
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lyxrc.language_command_end,
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"$$lang",
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prev_par_language->babel()))
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// the '%' is necessary to prevent unwanted whitespace
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<< "%\n";
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texrow.newline();
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}
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if ((lyxrc.language_command_end.empty() ||
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par_language->babel() != doc_language->babel()) &&
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!par_language->babel().empty()) {
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os << from_ascii(subst(
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lyxrc.language_command_begin,
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"$$lang",
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par_language->babel()))
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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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}
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bool 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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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->optionalargs > 0) {
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int ret = latexOptArgInsets(buf, *pit, os, runparams,
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style->optionalargs);
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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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// ale970405
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os << '{' << bibitemWidest(buf) << "}\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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// in multilingual environments, the CJK tags have to be nested properly
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bool cjk_nested = false;
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if (par_language->encoding()->package() == Encoding::CJK &&
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open_encoding_ != CJK && pit->isMultiLingual(bparams)) {
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os << "\\begin{CJK}{" << from_ascii(par_language->encoding()->latexName())
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<< "}{}%\n";
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open_encoding_ = CJK;
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cjk_nested = true;
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texrow.newline();
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}
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ParagraphList::const_iterator par = pit;
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do {
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par = TeXOnePar(buf, paragraphs, par, os, texrow, runparams);
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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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//) {
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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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par = TeXDeeper(buf, paragraphs, par, os, texrow,
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runparams);
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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 (open_encoding_ == CJK && 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 (style->isEnvironment()) {
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os << "\\end{" << from_ascii(style->latexname()) << "}\n";
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texrow.newline();
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}
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if (leftindent_open) {
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os << "\\end{LyXParagraphLeftIndent}\n";
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texrow.newline();
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}
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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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}
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int latexOptArgInsets(Buffer const & buf, Paragraph const & par,
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odocstream & os, OutputParams const & runparams, int number)
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{
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int lines = 0;
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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 && number > 0 ; ++it) {
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if (it->inset->lyxCode() == OPTARG_CODE) {
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InsetOptArg * ins =
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static_cast<InsetOptArg *>(it->inset);
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lines += ins->latexOptional(buf, os, runparams);
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--number;
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}
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}
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return lines;
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}
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namespace {
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ParagraphList::const_iterator
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TeXOnePar(Buffer const & buf,
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ParagraphList const & paragraphs,
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ParagraphList::const_iterator 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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{
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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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LayoutPtr style;
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if (runparams_in.verbatim) {
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int const dist = distance(paragraphs.begin(), pit);
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Font const outerfont = outerFont(dist, paragraphs);
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// No newline if only one 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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}
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/*bool need_par = */ pit->latex(buf, bparams, outerfont,
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os, texrow, runparams_in);
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return ++pit;
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}
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// In an inset with unlimited length (all in one row),
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// force layout to default
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if (!pit->forceDefaultParagraphs())
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style = pit->layout();
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else
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style = bparams.getTextClass().defaultLayout();
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OutputParams runparams = runparams_in;
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runparams.moving_arg |= style->needprotect;
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// we are at the beginning of an inset and CJK is already open.
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if (pit == paragraphs.begin() && runparams.local_font != 0 &&
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open_encoding_ == CJK) {
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cjk_inherited_ = true;
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open_encoding_ = none;
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}
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if (pit == paragraphs.begin() && runparams.local_font == 0) {
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// Open a CJK environment at the beginning of the main buffer
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// if the document's language is a CJK language
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if (bparams.encoding().package() == Encoding::CJK) {
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os << "\\begin{CJK}{" << from_ascii(bparams.encoding().latexName())
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<< "}{}%\n";
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texrow.newline();
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open_encoding_ = CJK;
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}
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if (!lyxrc.language_auto_begin && !bparams.language->babel().empty()) {
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// FIXME UNICODE
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os << from_utf8(subst(lyxrc.language_command_begin,
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"$$lang",
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bparams.language->babel()))
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<< '\n';
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texrow.newline();
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}
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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 either the language of
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// the previous paragraph, if there is one, or else the outer language
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// if there is no previous paragraph
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Language const * const prev_language =
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(pit != paragraphs.begin()) ?
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boost::prior(pit)->getParLanguage(bparams) : outer_language;
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if (par_language->babel() != prev_language->babel()
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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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(boost::prior(pit)->layout() != pit->layout() &&
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boost::prior(pit)->getDepth() <= pit->getDepth())
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|| boost::prior(pit)->getDepth() < pit->getDepth())))
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{
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if (!lyxrc.language_command_end.empty() &&
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prev_language->babel() != outer_language->babel() &&
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!prev_language->babel().empty())
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{
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os << from_ascii(subst(lyxrc.language_command_end,
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"$$lang",
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prev_language->babel()))
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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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// We need to open a new language if we couldn't close the previous
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// one (because there's no language_command_end); and even if we closed
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// the previous one, if the current language is different than the
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// outer_language (which is currently in effect once the previous one
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// is closed).
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if ((lyxrc.language_command_end.empty() ||
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par_language->babel() != outer_language->babel()) &&
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!par_language->babel().empty()) {
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// If we're inside an inset, and that inset is within an \L or \R
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// (or equivalents), then within the inset, too, any opposite
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// language paragraph should appear within an \L or \R (in addition
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// to, outside of, the normal language switch commands).
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// This behavior is not correct for ArabTeX, though.
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if ( // not for ArabTeX
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(par_language->lang() != "arabic_arabtex" &&
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outer_language->lang() != "arabic_arabtex") &&
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// are we in an inset?
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runparams.local_font != 0 &&
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// is the inset within an \L or \R?
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//
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// FIXME: currently, we don't check this; this means that
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// we'll have unnnecessary \L and \R commands, but that
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// doesn't seem to hurt (though latex will complain)
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//
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// is this paragraph in the opposite direction?
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runparams.local_font->isRightToLeft() !=
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par_language->rightToLeft()
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) {
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// FIXME: I don't have a working copy of the Arabi package, so
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// I'm not sure if the farsi and arabic_arabi stuff is correct
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// or not...
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if (par_language->lang() == "farsi")
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os << "\\textFR{";
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else if (outer_language->lang() == "farsi")
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os << "\\textLR{";
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else if (par_language->lang() == "arabic_arabi")
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os << "\\textAR{";
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else if (outer_language->lang() == "arabic_arabi")
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os << "\\textLR{";
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// remaining RTL languages currently is hebrew
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else if (par_language->rightToLeft())
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os << "\\R{";
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else
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os << "\\L{";
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}
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// With CJK, the CJK tag has to be closed first (see below)
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if (runparams.encoding->package() != Encoding::CJK) {
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os << from_ascii(subst(
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lyxrc.language_command_begin,
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"$$lang",
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par_language->babel()))
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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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}
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}
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// Switch file encoding if necessary; no need to do this for "default"
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// encoding, since this only affects the position of the outputted
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// \inputencoding command; the encoding switch will occur when necessary
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if (bparams.inputenc == "auto" &&
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runparams.encoding->package() != Encoding::none) {
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// Look ahead for future encoding changes.
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// We try to output them at the beginning of the paragraph,
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// since the \inputencoding command is not allowed e.g. in
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// sections.
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for (pos_type i = 0; i < pit->size(); ++i) {
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char_type const c = pit->getChar(i);
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if (runparams.encoding->package() == Encoding::inputenc && c < 0x80)
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continue;
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if (pit->isInset(i))
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break;
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// All characters before c are in the ASCII range, and
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// c is non-ASCII (but no inset), so change the
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// encoding to that required by the language of c.
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Encoding const * const encoding =
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pit->getFontSettings(bparams, i).language()->encoding();
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// with CJK, only add switch if we have CJK content at the beginning
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// of the paragraph
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if (encoding->package() != Encoding::CJK || i == 0) {
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OutputParams tmp_rp = runparams;
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runparams.moving_arg = false;
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pair<bool, int> enc_switch = switchEncoding(os, bparams, runparams,
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*(runparams.encoding), *encoding);
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runparams = tmp_rp;
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// the following is necessary after a CJK environment in a multilingual
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// context (nesting issue).
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if (par_language->encoding()->package() == Encoding::CJK &&
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open_encoding_ != CJK && !cjk_inherited_) {
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os << "\\begin{CJK}{" << from_ascii(par_language->encoding()->latexName())
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<< "}{}%\n";
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open_encoding_ = CJK;
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texrow.newline();
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}
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if (encoding->package() != Encoding::none && enc_switch.first) {
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if (enc_switch.second > 0) {
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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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// With CJK, the CJK tag had to be closed first (see above)
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if (runparams.encoding->package() == Encoding::CJK) {
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os << from_ascii(subst(
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lyxrc.language_command_begin,
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"$$lang",
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par_language->babel()))
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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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runparams.encoding = encoding;
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}
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break;
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}
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}
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}
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// In an inset with unlimited length (all in one row),
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// don't allow any special options in the paragraph
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if (!pit->forceDefaultParagraphs()) {
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if (pit->params().startOfAppendix()) {
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os << "\\appendix\n";
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texrow.newline();
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}
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if (!pit->params().spacing().isDefault()
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&& (pit == paragraphs.begin()
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|| !boost::prior(pit)->hasSameLayout(*pit)))
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{
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os << from_ascii(pit->params().spacing().writeEnvirBegin())
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<< '\n';
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texrow.newline();
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}
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if (style->isCommand()) {
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|
os << '\n';
|
|
texrow.newline();
|
|
}
|
|
}
|
|
|
|
switch (style->latextype) {
|
|
case LATEX_COMMAND:
|
|
os << '\\' << from_ascii(style->latexname());
|
|
|
|
// Separate handling of optional argument inset.
|
|
if (style->optionalargs > 0) {
|
|
int ret = latexOptArgInsets(buf, *pit, os, runparams,
|
|
style->optionalargs);
|
|
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 =
|
|
outerFont(distance(paragraphs.begin(), pit),
|
|
paragraphs);
|
|
|
|
// FIXME UNICODE
|
|
os << from_utf8(everypar);
|
|
bool need_par = pit->latex(buf, bparams, outerfont,
|
|
os, texrow, runparams);
|
|
|
|
// 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 is_command = style->isCommand();
|
|
|
|
if (style->resfont.size() != font.fontInfo().size()
|
|
&& boost::next(pit) != paragraphs.end()
|
|
&& !is_command) {
|
|
if (!need_par)
|
|
os << '{';
|
|
os << "\\" << from_ascii(font.latexSize()) << " \\par}";
|
|
} else if (need_par) {
|
|
os << "\\par}";
|
|
} else if (is_command)
|
|
os << '}';
|
|
|
|
bool pending_newline = false;
|
|
switch (style->latextype) {
|
|
case LATEX_ITEM_ENVIRONMENT:
|
|
case LATEX_LIST_ENVIRONMENT:
|
|
if (boost::next(pit) != paragraphs.end()
|
|
&& (pit->params().depth() < boost::next(pit)->params().depth()))
|
|
pending_newline = true;
|
|
break;
|
|
case LATEX_ENVIRONMENT: {
|
|
// if its the last paragraph of the current environment
|
|
// skip it otherwise fall through
|
|
ParagraphList::const_iterator next = boost::next(pit);
|
|
|
|
if (next != paragraphs.end()
|
|
&& (next->layout() != pit->layout()
|
|
|| next->params().depth() != pit->params().depth()))
|
|
break;
|
|
}
|
|
|
|
// fall through possible
|
|
default:
|
|
// we don't need it for the last paragraph!!!
|
|
if (boost::next(pit) != paragraphs.end())
|
|
pending_newline = true;
|
|
}
|
|
|
|
if (!pit->forceDefaultParagraphs()) {
|
|
if (!pit->params().spacing().isDefault()
|
|
&& (boost::next(pit) == paragraphs.end()
|
|
|| !boost::next(pit)->hasSameLayout(*pit)))
|
|
{
|
|
if (pending_newline) {
|
|
os << '\n';
|
|
texrow.newline();
|
|
}
|
|
os << from_ascii(pit->params().spacing().writeEnvirEnd());
|
|
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 =
|
|
// 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?
|
|
((boost::next(pit) != paragraphs.end() &&
|
|
par_language->babel() !=
|
|
(boost::next(pit)->getParLanguage(bparams))->babel()) ||
|
|
(boost::next(pit) == paragraphs.end() &&
|
|
par_language->babel() != outer_language->babel()));
|
|
|
|
if (closing_rtl_ltr_environment || (boost::next(pit) == 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 (lyxrc.language_command_end.empty()) {
|
|
if (!prev_language->babel().empty()) {
|
|
os << from_ascii(subst(
|
|
lyxrc.language_command_begin,
|
|
"$$lang",
|
|
prev_language->babel()));
|
|
pending_newline = true;
|
|
}
|
|
} else if (!par_language->babel().empty()) {
|
|
os << from_ascii(subst(
|
|
lyxrc.language_command_end,
|
|
"$$lang",
|
|
par_language->babel()));
|
|
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 (boost::next(pit) != paragraphs.end() && open_encoding_ == CJK &&
|
|
(boost::next(pit)->getParLanguage(bparams)->encoding()->package() != Encoding::CJK ||
|
|
boost::next(pit)->layout()->isEnvironment() && boost::next(pit)->isMultiLingual(bparams))
|
|
// in environments, CJK has to be closed later (nesting!)
|
|
&& !style->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 (boost::next(pit) == paragraphs.end() && !style->isEnvironment()) {
|
|
switch (open_encoding_) {
|
|
case CJK: {
|
|
// end of main text
|
|
if (runparams.local_font == 0) {
|
|
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;
|
|
}
|
|
// auto_end tag only if the last par is in a babel language
|
|
if (runparams.local_font == 0 && !lyxrc.language_auto_end &&
|
|
!bparams.language->babel().empty() &&
|
|
font.language()->encoding()->package() != Encoding::CJK) {
|
|
os << from_utf8(subst(lyxrc.language_command_end,
|
|
"$$lang",
|
|
bparams.language->babel()))
|
|
<< '\n';
|
|
texrow.newline();
|
|
}
|
|
}
|
|
|
|
// If this is the last paragraph, and a local_font was set upon entering
|
|
// the inset, the encoding should be set back to that local_font's
|
|
// encoding. We don't use switchEncoding(), because no explicit encoding
|
|
// switch command is needed, since latex will automatically revert to it
|
|
// when this inset closes.
|
|
// This switch is only necessary if we're using "auto" or "default"
|
|
// encoding.
|
|
if (boost::next(pit) == paragraphs.end() && runparams_in.local_font != 0) {
|
|
runparams_in.encoding = runparams_in.local_font->language()->encoding();
|
|
if (bparams.inputenc == "auto" || bparams.inputenc == "default")
|
|
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 it for the last paragraph!!!
|
|
// Note from JMarc: we will re-add a \n explicitely in
|
|
// TeXEnvironment, because it is needed in this case
|
|
if (boost::next(pit) != paragraphs.end()) {
|
|
os << '\n';
|
|
texrow.newline();
|
|
}
|
|
|
|
if (boost::next(pit) != paragraphs.end())
|
|
LYXERR(Debug::LATEX, "TeXOnePar...done " << &*boost::next(pit));
|
|
|
|
return ++pit;
|
|
}
|
|
|
|
} // anon namespace
|
|
|
|
|
|
// LaTeX all paragraphs
|
|
void latexParagraphs(Buffer const & buf,
|
|
ParagraphList const & paragraphs,
|
|
odocstream & os,
|
|
TexRow & texrow,
|
|
OutputParams const & runparams,
|
|
string const & everypar)
|
|
{
|
|
bool was_title = false;
|
|
bool already_title = false;
|
|
TextClass const & tclass = buf.params().getTextClass();
|
|
ParagraphList::const_iterator par = paragraphs.begin();
|
|
ParagraphList::const_iterator endpar = paragraphs.end();
|
|
|
|
BOOST_ASSERT(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;
|
|
}
|
|
|
|
// if only_body
|
|
while (par != endpar) {
|
|
ParagraphList::const_iterator lastpar = par;
|
|
// well we have to check if we are in an inset with unlimited
|
|
// length (all in one row) if that is true then we don't allow
|
|
// any special options in the paragraph and also we don't allow
|
|
// any environment other than the default layout of the
|
|
// text class to be valid!
|
|
if (!par->forceDefaultParagraphs()) {
|
|
LayoutPtr const & layout = 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->is_environment) {
|
|
par = TeXOnePar(buf, paragraphs, par, os, texrow,
|
|
runparams, everypar);
|
|
} else if (layout->isEnvironment() ||
|
|
!par->params().leftIndent().zero()) {
|
|
par = TeXEnvironment(buf, paragraphs, par, os,
|
|
texrow, runparams);
|
|
} else {
|
|
par = TeXOnePar(buf, paragraphs, par, os, texrow,
|
|
runparams, everypar);
|
|
}
|
|
} else {
|
|
par = TeXOnePar(buf, paragraphs, par, os, texrow,
|
|
runparams, everypar);
|
|
}
|
|
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 the last paragraph is an environment, we'll have to close
|
|
// CJK at the very end to do proper nesting.
|
|
if (open_encoding_ == CJK) {
|
|
os << "\\end{CJK}\n";
|
|
texrow.newline();
|
|
open_encoding_ = none;
|
|
}
|
|
// reset inherited encoding
|
|
if (cjk_inherited_) {
|
|
open_encoding_ = CJK;
|
|
cjk_inherited_ = false;
|
|
}
|
|
}
|
|
|
|
|
|
pair<bool, int> switchEncoding(odocstream & os, BufferParams const & bparams,
|
|
OutputParams const & runparams, Encoding const & oldEnc,
|
|
Encoding const & newEnc)
|
|
{
|
|
bool moving_arg = runparams.moving_arg;
|
|
if ((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:
|
|
// 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;
|
|
}
|
|
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 << "}{}";
|
|
open_encoding_ = CJK;
|
|
return make_pair(true, count + 15);
|
|
}
|
|
}
|
|
// Dead code to avoid a warning:
|
|
return make_pair(true, 0);
|
|
|
|
}
|
|
|
|
} // namespace lyx
|