* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
- * \author Lars Gullik Bjønnes
+ * \author Lars Gullik Bjønnes
*
* Full author contact details are available in file CREDITS.
*/
#include "Buffer.h"
#include "BufferParams.h"
-#include "debug.h"
#include "Encoding.h"
+#include "Font.h"
+#include "InsetList.h"
#include "Language.h"
+#include "Layout.h"
#include "LyXRC.h"
#include "OutputParams.h"
#include "Paragraph.h"
-#include "paragraph_funcs.h"
#include "ParagraphParameters.h"
-#include "TexRow.h"
-#include "VSpace.h"
+#include "texstream.h"
+#include "TextClass.h"
#include "insets/InsetBibitem.h"
-#include "insets/InsetOptArg.h"
+#include "insets/InsetArgument.h"
+#include "frontends/alert.h"
+
+#include "support/lassert.h"
+#include "support/convert.h"
+#include "support/debug.h"
#include "support/lstrings.h"
+#include "support/lyxalgo.h"
+#include "support/textutils.h"
+#include "support/gettext.h"
+#include <QThreadStorage>
-namespace lyx {
+#include <list>
+#include <stack>
-using support::subst;
+using namespace std;
+using namespace lyx::support;
-using std::endl;
-using std::string;
+namespace lyx {
namespace {
-ParagraphList::const_iterator
-TeXEnvironment(Buffer const & buf,
- ParagraphList const & paragraphs,
- ParagraphList::const_iterator pit,
- odocstream & os, TexRow & texrow,
- OutputParams const & runparams);
-
-ParagraphList::const_iterator
-TeXOnePar(Buffer const & buf,
- ParagraphList const & paragraphs,
- ParagraphList::const_iterator pit,
- odocstream & os, TexRow & texrow,
- OutputParams const & runparams,
- string const & everypar = string());
-
-
-ParagraphList::const_iterator
-TeXDeeper(Buffer const & buf,
- ParagraphList const & paragraphs,
- ParagraphList::const_iterator pit,
- odocstream & os, TexRow & texrow,
- OutputParams const & runparams)
+enum OpenEncoding {
+ none,
+ inputenc,
+ CJK
+};
+
+
+struct OutputState
{
- LYXERR(Debug::LATEX) << "TeXDeeper... " << &*pit << endl;
- ParagraphList::const_iterator par = pit;
-
- while (par != paragraphs.end() &&
- par->params().depth() == pit->params().depth()) {
- if (par->layout()->isEnvironment()) {
- par = TeXEnvironment(buf, paragraphs, par,
- os, texrow, runparams);
- } else {
- par = TeXOnePar(buf, paragraphs, par,
- os, texrow, runparams);
- }
+ OutputState() : open_encoding_(none), cjk_inherited_(0),
+ prev_env_language_(0), nest_level_(0)
+ {
}
- LYXERR(Debug::LATEX) << "TeXDeeper...done " << endl;
+ OpenEncoding open_encoding_;
+ int cjk_inherited_;
+ Language const * prev_env_language_;
+ int nest_level_;
+ stack<int> lang_switch_depth_; // Both are always empty when
+ stack<string> open_polyglossia_lang_; // not using polyglossia
+};
- return par;
+
+OutputState * getOutputState()
+{
+ // FIXME An instance of OutputState should be kept around for each export
+ // instead of using local thread storage
+ static QThreadStorage<OutputState *> outputstate;
+ if (!outputstate.hasLocalData())
+ outputstate.setLocalData(new OutputState);
+ return outputstate.localData();
}
-ParagraphList::const_iterator
-TeXEnvironment(Buffer const & buf,
- ParagraphList const & paragraphs,
- ParagraphList::const_iterator pit,
- odocstream & os, TexRow & texrow,
- OutputParams const & runparams)
+string const & openLanguageName(OutputState const * state)
{
- LYXERR(Debug::LATEX) << "TeXEnvironment... " << &*pit << endl;
+ // Return a reference to the last active language opened with
+ // polyglossia or when using begin/end commands. If none or when
+ // using babel with only a begin command, return a reference to
+ // an empty string.
+
+ static string const empty;
+
+ return state->open_polyglossia_lang_.empty()
+ ? empty
+ : state->open_polyglossia_lang_.top();
+}
+
+
+bool atSameLastLangSwitchDepth(OutputState const * state)
+{
+ // Return true if the actual nest level is the same at which the
+ // language was switched when using polyglossia or begin/end
+ // commands. Instead, return always true when using babel with
+ // only a begin command.
+
+ return state->lang_switch_depth_.size() == 0
+ ? true
+ : abs(state->lang_switch_depth_.top()) == state->nest_level_;
+}
+
+
+bool isLocalSwitch(OutputState const * state)
+{
+ // Return true if the language was opened by a local command switch.
+
+ return state->lang_switch_depth_.size()
+ && state->lang_switch_depth_.top() < 0;
+}
+
+
+bool langOpenedAtThisLevel(OutputState const * state)
+{
+ // Return true if the language was opened at the current nesting level.
+
+ return state->lang_switch_depth_.size()
+ && abs(state->lang_switch_depth_.top()) == state->nest_level_;
+}
+
+
+string const getPolyglossiaEnvName(Language const * lang)
+{
+ string result = lang->polyglossia();
+ if (result == "arabic")
+ // exceptional spelling; see polyglossia docs.
+ result = "Arabic";
+ return result;
+}
+
+
+string const getPolyglossiaBegin(string const & lang_begin_command,
+ string const & lang, string const & opts)
+{
+ string result;
+ if (!lang.empty())
+ result = subst(lang_begin_command, "$$lang", lang);
+ string options = opts.empty() ?
+ string() : "[" + opts + "]";
+ result = subst(result, "$$opts", options);
+
+ return result;
+}
+
+
+struct TeXEnvironmentData
+{
+ bool cjk_nested;
+ Layout const * style;
+ Language const * par_language;
+ Encoding const * prev_encoding;
+ bool leftindent_open;
+};
+
+
+static TeXEnvironmentData prepareEnvironment(Buffer const & buf,
+ Text const & text,
+ ParagraphList::const_iterator pit,
+ otexstream & os,
+ OutputParams const & runparams)
+{
+ TeXEnvironmentData data;
BufferParams const & bparams = buf.params();
- Layout_ptr const & style = pit->layout();
+ // FIXME This test should not be necessary.
+ // We should perhaps issue an error if it is.
+ Layout const & style = text.inset().forcePlainLayout() ?
+ bparams.documentClass().plainLayout() : pit->layout();
+
+ ParagraphList const & paragraphs = text.paragraphs();
+ ParagraphList::const_iterator const priorpit =
+ pit == paragraphs.begin() ? pit : prev(pit, 1);
- Language const * const par_language = pit->getParLanguage(bparams);
+ OutputState * state = getOutputState();
+ bool const use_prev_env_language = state->prev_env_language_ != 0
+ && priorpit->layout().isEnvironment()
+ && (priorpit->getDepth() > pit->getDepth()
+ || (priorpit->getDepth() == pit->getDepth()
+ && priorpit->layout() != pit->layout()));
+
+ data.prev_encoding = runparams.encoding;
+ data.par_language = pit->getParLanguage(bparams);
Language const * const doc_language = bparams.language;
Language const * const prev_par_language =
(pit != paragraphs.begin())
- ? boost::prior(pit)->getParLanguage(bparams)
+ ? (use_prev_env_language ? state->prev_env_language_
+ : priorpit->getParLanguage(bparams))
: doc_language;
- if (par_language->babel() != prev_par_language->babel()) {
- if (!lyxrc.language_command_end.empty() &&
- prev_par_language->babel() != doc_language->babel()) {
+ bool const use_polyglossia = runparams.use_polyglossia;
+ string const par_lang = use_polyglossia ?
+ getPolyglossiaEnvName(data.par_language) : data.par_language->babel();
+ string const prev_par_lang = use_polyglossia ?
+ getPolyglossiaEnvName(prev_par_language) : prev_par_language->babel();
+ string const doc_lang = use_polyglossia ?
+ getPolyglossiaEnvName(doc_language) : doc_language->babel();
+ string const lang_begin_command = use_polyglossia ?
+ "\\begin{$$lang}" : lyxrc.language_command_begin;
+ string const lang_end_command = use_polyglossia ?
+ "\\end{$$lang}" : lyxrc.language_command_end;
+ bool const using_begin_end = use_polyglossia ||
+ !lang_end_command.empty();
+
+ // For polyglossia, switch language outside of environment, if possible.
+ if (par_lang != prev_par_lang) {
+ if ((!using_begin_end || langOpenedAtThisLevel(state)) &&
+ !lang_end_command.empty() &&
+ prev_par_lang != doc_lang &&
+ !prev_par_lang.empty()) {
os << from_ascii(subst(
- lyxrc.language_command_end,
+ lang_end_command,
"$$lang",
- prev_par_language->babel()))
- << '\n';
- texrow.newline();
+ prev_par_lang))
+ // the '%' is necessary to prevent unwanted whitespace
+ << "%\n";
+ if (using_begin_end)
+ popLanguageName();
}
- if (lyxrc.language_command_end.empty() ||
- par_language->babel() != doc_language->babel()) {
- os << from_ascii(subst(
- lyxrc.language_command_begin,
- "$$lang",
- par_language->babel()))
- << '\n';
- texrow.newline();
+ // If no language was explicitly opened and we are using
+ // polyglossia or begin/end commands, then the current
+ // language is the document language.
+ string const & cur_lang = using_begin_end
+ && state->lang_switch_depth_.size()
+ ? openLanguageName(state)
+ : doc_lang;
+
+ if ((lang_end_command.empty() ||
+ par_lang != doc_lang ||
+ par_lang != cur_lang) &&
+ !par_lang.empty()) {
+ string bc = use_polyglossia ?
+ getPolyglossiaBegin(lang_begin_command, par_lang,
+ data.par_language->polyglossiaOpts())
+ : subst(lang_begin_command, "$$lang", par_lang);
+ os << bc;
+ // the '%' is necessary to prevent unwanted whitespace
+ os << "%\n";
+ if (using_begin_end)
+ pushLanguageName(par_lang);
}
}
- bool leftindent_open = false;
+ data.leftindent_open = false;
if (!pit->params().leftIndent().zero()) {
os << "\\begin{LyXParagraphLeftIndent}{"
<< from_ascii(pit->params().leftIndent().asLatexString())
<< "}\n";
- texrow.newline();
- leftindent_open = true;
- }
-
- if (style->isEnvironment()) {
- os << "\\begin{" << from_ascii(style->latexname()) << '}';
- if (style->optionalargs > 0) {
- int ret = latexOptArgInsets(buf, *pit, os, runparams,
- style->optionalargs);
- while (ret > 0) {
- texrow.newline();
- --ret;
- }
+ data.leftindent_open = true;
+ }
+
+ if (style.isEnvironment())
+ state->nest_level_ += 1;
+
+ if (style.isEnvironment() && !style.latexname().empty()) {
+ os << "\\begin{" << from_ascii(style.latexname()) << '}';
+ if (!style.latexargs().empty()) {
+ OutputParams rp = runparams;
+ rp.local_font = &pit->getFirstFontSettings(bparams);
+ latexArgInsets(paragraphs, pit, os, rp, style.latexargs());
}
- if (style->latextype == LATEX_LIST_ENVIRONMENT) {
+ if (style.latextype == LATEX_LIST_ENVIRONMENT) {
os << '{'
<< pit->params().labelWidthString()
<< "}\n";
- } else if (style->labeltype == LABEL_BIBLIO) {
- // ale970405
- os << '{' << bibitemWidest(buf) << "}\n";
+ } else if (style.labeltype == LABEL_BIBLIO) {
+ if (pit->params().labelWidthString().empty())
+ os << '{' << bibitemWidest(buf, runparams) << "}\n";
+ else
+ os << '{'
+ << pit->params().labelWidthString()
+ << "}\n";
} else
- os << from_ascii(style->latexparam()) << '\n';
- texrow.newline();
+ os << from_ascii(style.latexparam()) << '\n';
+ }
+ data.style = &style;
+
+ // in multilingual environments, the CJK tags have to be nested properly
+ data.cjk_nested = false;
+ if (data.par_language->encoding()->package() == Encoding::CJK &&
+ state->open_encoding_ != CJK && pit->isMultiLingual(bparams)) {
+ if (prev_par_language->encoding()->package() == Encoding::CJK)
+ os << "\\begin{CJK}{" << from_ascii(data.par_language->encoding()->latexName())
+ << "}{" << from_ascii(bparams.fonts_cjk) << "}%\n";
+ state->open_encoding_ = CJK;
+ data.cjk_nested = true;
}
- ParagraphList::const_iterator par = pit;
- do {
- par = TeXOnePar(buf, paragraphs, par, os, texrow, runparams);
+ return data;
+}
- if (par == paragraphs.end()) {
- // Make sure that the last paragraph is
- // correctly terminated (because TeXOnePar does
- // not add a \n in this case)
- os << '\n';
- texrow.newline();
- } else if (par->params().depth() > pit->params().depth()) {
- if (par->layout()->isParagraph()) {
-
- // Thinko!
- // How to handle this? (Lgb)
- //&& !suffixIs(os, "\n\n")
- //) {
- // There should be at least one '\n' already
- // but we need there to be two for Standard
- // paragraphs that are depth-increment'ed to be
- // output correctly. However, tables can
- // also be paragraphs so don't adjust them.
- // ARRae
- // Thinkee:
- // Will it ever harm to have one '\n' too
- // many? i.e. that we sometimes will have
- // three in a row. (Lgb)
- os << '\n';
- texrow.newline();
+
+static void finishEnvironment(otexstream & os, OutputParams const & runparams,
+ TeXEnvironmentData const & data)
+{
+ OutputState * state = getOutputState();
+ // BufferParams const & bparams = buf.params(); // FIXME: for speedup shortcut below, would require passing of "buf" as argument
+ if (state->open_encoding_ == CJK && data.cjk_nested) {
+ // We need to close the encoding even if it does not change
+ // to do correct environment nesting
+ os << "\\end{CJK}\n";
+ state->open_encoding_ = none;
+ }
+
+ if (data.style->isEnvironment()) {
+ os << breakln;
+ bool const using_begin_end =
+ runparams.use_polyglossia ||
+ !lyxrc.language_command_end.empty();
+ // Close any language opened at this nest level
+ if (using_begin_end) {
+ while (langOpenedAtThisLevel(state)) {
+ if (isLocalSwitch(state)) {
+ os << "}";
+ } else {
+ os << "\\end{"
+ << openLanguageName(state)
+ << "}%\n";
+ }
+ popLanguageName();
}
- par = TeXDeeper(buf, paragraphs, par, os, texrow,
- runparams);
}
- } while (par != paragraphs.end()
- && par->layout() == pit->layout()
- && par->params().depth() == pit->params().depth()
- && par->params().leftIndent() == pit->params().leftIndent());
+ state->nest_level_ -= 1;
+ string const & name = data.style->latexname();
+ if (!name.empty())
+ os << "\\end{" << from_ascii(name) << "}\n";
+ state->prev_env_language_ = data.par_language;
+ if (runparams.encoding != data.prev_encoding) {
+ runparams.encoding = data.prev_encoding;
+ os << setEncoding(data.prev_encoding->iconvName());
+ }
+ }
+
+ if (data.leftindent_open) {
+ os << breakln << "\\end{LyXParagraphLeftIndent}\n";
+ state->prev_env_language_ = data.par_language;
+ if (runparams.encoding != data.prev_encoding) {
+ runparams.encoding = data.prev_encoding;
+ os << setEncoding(data.prev_encoding->iconvName());
+ }
+ }
+
+ // Check whether we should output a blank line after the environment
+ if (!data.style->nextnoindent)
+ os << '\n';
+}
+
+
+void TeXEnvironment(Buffer const & buf, Text const & text,
+ OutputParams const & runparams,
+ pit_type & pit, otexstream & os)
+{
+ ParagraphList const & paragraphs = text.paragraphs();
+ ParagraphList::const_iterator par = paragraphs.constIterator(pit);
+ LYXERR(Debug::LATEX, "TeXEnvironment for paragraph " << pit);
+
+ Layout const & current_layout = par->layout();
+ depth_type const current_depth = par->params().depth();
+ Length const & current_left_indent = par->params().leftIndent();
+
+ // This is for debugging purpose at the end.
+ pit_type const par_begin = pit;
+ for (; pit < runparams.par_end; ++pit) {
+ ParagraphList::const_iterator par = paragraphs.constIterator(pit);
+
+ // check first if this is an higher depth paragraph.
+ bool go_out = (par->params().depth() < current_depth);
+ if (par->params().depth() == current_depth) {
+ // This environment is finished.
+ go_out |= (par->layout() != current_layout);
+ go_out |= (par->params().leftIndent() != current_left_indent);
+ }
+ if (go_out) {
+ // nothing to do here, restore pit and go out.
+ pit--;
+ break;
+ }
- if (style->isEnvironment()) {
- os << "\\end{" << from_ascii(style->latexname()) << "}\n";
- texrow.newline();
+ if (par->layout() == current_layout
+ && par->params().depth() == current_depth
+ && par->params().leftIndent() == current_left_indent) {
+ // We are still in the same environment so TeXOnePar and continue;
+ TeXOnePar(buf, text, pit, os, runparams);
+ continue;
+ }
+
+ // We are now in a deeper environment.
+ // Either par->layout() != current_layout
+ // Or par->params().depth() > current_depth
+ // Or par->params().leftIndent() != current_left_indent)
+
+ // FIXME This test should not be necessary.
+ // We should perhaps issue an error if it is.
+ bool const force_plain_layout = text.inset().forcePlainLayout();
+ Layout const & style = force_plain_layout
+ ? buf.params().documentClass().plainLayout()
+ : par->layout();
+
+ if (!style.isEnvironment()) {
+ // This is a standard paragraph, no need to call TeXEnvironment.
+ TeXOnePar(buf, text, pit, os, runparams);
+ continue;
+ }
+
+ // This is a new environment.
+ TeXEnvironmentData const data =
+ prepareEnvironment(buf, text, par, os, runparams);
+ // Recursive call to TeXEnvironment!
+ TeXEnvironment(buf, text, runparams, pit, os);
+ finishEnvironment(os, runparams, data);
}
- if (leftindent_open) {
- os << "\\end{LyXParagraphLeftIndent}\n";
- texrow.newline();
+ if (pit != runparams.par_end)
+ LYXERR(Debug::LATEX, "TeXEnvironment for paragraph " << par_begin << " done.");
+}
+
+
+void getArgInsets(otexstream & os, OutputParams const & runparams, Layout::LaTeXArgMap const & latexargs,
+ map<int, lyx::InsetArgument const *> ilist, vector<string> required, string const & prefix)
+{
+ unsigned int const argnr = latexargs.size();
+ if (argnr == 0)
+ return;
+
+ // Default and preset args are always output, so if they require
+ // other arguments, consider this.
+ Layout::LaTeXArgMap::const_iterator lit = latexargs.begin();
+ Layout::LaTeXArgMap::const_iterator const lend = latexargs.end();
+ for (; lit != lend; ++lit) {
+ Layout::latexarg arg = (*lit).second;
+ if ((!arg.presetarg.empty() || !arg.defaultarg.empty()) && !arg.requires.empty()) {
+ vector<string> req = getVectorFromString(arg.requires);
+ required.insert(required.end(), req.begin(), req.end());
+ }
}
- if (par != paragraphs.end())
- LYXERR(Debug::LATEX) << "TeXEnvironment...done " << &*par << endl;
- return par;
+ for (unsigned int i = 1; i <= argnr; ++i) {
+ map<int, InsetArgument const *>::const_iterator lit = ilist.find(i);
+ bool inserted = false;
+ if (lit != ilist.end()) {
+ InsetArgument const * ins = (*lit).second;
+ if (ins) {
+ Layout::LaTeXArgMap::const_iterator const lait =
+ latexargs.find(ins->name());
+ if (lait != latexargs.end()) {
+ Layout::latexarg arg = (*lait).second;
+ docstring ldelim = arg.mandatory ?
+ from_ascii("{") : from_ascii("[");
+ docstring rdelim = arg.mandatory ?
+ from_ascii("}") : from_ascii("]");
+ if (!arg.ldelim.empty())
+ ldelim = arg.ldelim;
+ if (!arg.rdelim.empty())
+ rdelim = arg.rdelim;
+ ins->latexArgument(os, runparams, ldelim, rdelim, arg.presetarg);
+ inserted = true;
+ }
+ }
+ }
+ if (!inserted) {
+ Layout::LaTeXArgMap::const_iterator lait = latexargs.begin();
+ Layout::LaTeXArgMap::const_iterator const laend = latexargs.end();
+ for (; lait != laend; ++lait) {
+ string const name = prefix + convert<string>(i);
+ if ((*lait).first == name) {
+ Layout::latexarg arg = (*lait).second;
+ docstring preset = arg.presetarg;
+ if (!arg.defaultarg.empty()) {
+ if (!preset.empty())
+ preset += ",";
+ preset += arg.defaultarg;
+ }
+ if (arg.mandatory) {
+ docstring ldelim = arg.ldelim.empty() ?
+ from_ascii("{") : arg.ldelim;
+ docstring rdelim = arg.rdelim.empty() ?
+ from_ascii("}") : arg.rdelim;
+ os << ldelim << preset << rdelim;
+ } else if (!preset.empty()) {
+ docstring ldelim = arg.ldelim.empty() ?
+ from_ascii("[") : arg.ldelim;
+ docstring rdelim = arg.rdelim.empty() ?
+ from_ascii("]") : arg.rdelim;
+ os << ldelim << preset << rdelim;
+ } else if (find(required.begin(), required.end(),
+ (*lait).first) != required.end()) {
+ docstring ldelim = arg.ldelim.empty() ?
+ from_ascii("[") : arg.ldelim;
+ docstring rdelim = arg.rdelim.empty() ?
+ from_ascii("]") : arg.rdelim;
+ os << ldelim << rdelim;
+ } else
+ break;
+ }
+ }
+ }
+ }
}
+
+} // namespace anon
+
+
+void pushLanguageName(string const & lang_name, bool localswitch)
+{
+ OutputState * state = getOutputState();
+
+ int nest_level = localswitch ? -state->nest_level_ : state->nest_level_;
+ state->lang_switch_depth_.push(nest_level);
+ state->open_polyglossia_lang_.push(lang_name);
}
-int latexOptArgInsets(Buffer const & buf, Paragraph const & par,
- odocstream & os, OutputParams const & runparams, int number)
+void popLanguageName()
{
- int lines = 0;
+ OutputState * state = getOutputState();
+
+ state->lang_switch_depth_.pop();
+ state->open_polyglossia_lang_.pop();
+}
- InsetList::const_iterator it = par.insetlist.begin();
- InsetList::const_iterator end = par.insetlist.end();
- for (; it != end && number > 0 ; ++it) {
- if (it->inset->lyxCode() == Inset::OPTARG_CODE) {
- InsetOptArg * ins =
- static_cast<InsetOptArg *>(it->inset);
- lines += ins->latexOptional(buf, os, runparams);
- --number;
+
+namespace {
+
+void addArgInsets(Paragraph const & par, string const & prefix,
+ Layout::LaTeXArgMap const & latexargs,
+ map<int, InsetArgument const *> & ilist,
+ vector<string> & required)
+{
+ for (auto const & table : par.insetList()) {
+ InsetArgument const * arg = table.inset->asInsetArgument();
+ if (!arg)
+ continue;
+ if (arg->name().empty()) {
+ LYXERR0("Error: Unnamed argument inset!");
+ continue;
+ }
+ string const name = prefix.empty() ?
+ arg->name() : split(arg->name(), ':');
+ // why converting into an integer?
+ unsigned int const nr = convert<unsigned int>(name);
+ if (ilist.find(nr) == ilist.end())
+ ilist[nr] = arg;
+ Layout::LaTeXArgMap::const_iterator const lit =
+ latexargs.find(arg->name());
+ if (lit != latexargs.end()) {
+ Layout::latexarg const & larg = lit->second;
+ vector<string> req = getVectorFromString(larg.requires);
+ move(req.begin(), req.end(), back_inserter(required));
}
}
- return lines;
+}
+
+} // anon namespace
+
+
+void latexArgInsets(Paragraph const & par, otexstream & os,
+ OutputParams const & runparams,
+ Layout::LaTeXArgMap const & latexargs,
+ string const & prefix)
+{
+ map<int, InsetArgument const *> ilist;
+ vector<string> required;
+ addArgInsets(par, prefix, latexargs, ilist, required);
+ getArgInsets(os, runparams, latexargs, ilist, required, prefix);
+}
+
+
+void latexArgInsets(ParagraphList const & pars,
+ ParagraphList::const_iterator pit,
+ otexstream & os, OutputParams const & runparams,
+ Layout::LaTeXArgMap const & latexargs,
+ string const & prefix)
+{
+ map<int, InsetArgument const *> ilist;
+ vector<string> required;
+
+ depth_type const current_depth = pit->params().depth();
+ Layout const current_layout = pit->layout();
+
+ // get the first paragraph in sequence with this layout and depth
+ pit_type offset = 0;
+ while (true) {
+ if (lyx::prev(pit, offset) == pars.begin())
+ break;
+ ParagraphList::const_iterator priorpit = lyx::prev(pit, offset + 1);
+ if (priorpit->layout() == current_layout
+ && priorpit->params().depth() == current_depth)
+ ++offset;
+ else
+ break;
+ }
+
+ ParagraphList::const_iterator spit = lyx::prev(pit, offset);
+
+ for (; spit != pars.end(); ++spit) {
+ if (spit->layout() != current_layout ||
+ spit->params().depth() < current_depth)
+ break;
+ if (spit->params().depth() > current_depth)
+ continue;
+ addArgInsets(*spit, prefix, latexargs, ilist, required);
+ }
+ getArgInsets(os, runparams, latexargs, ilist, required, prefix);
+}
+
+
+void latexArgInsetsForParent(ParagraphList const & pars, otexstream & os,
+ OutputParams const & runparams,
+ Layout::LaTeXArgMap const & latexargs,
+ string const & prefix)
+{
+ map<int, InsetArgument const *> ilist;
+ vector<string> required;
+
+ for (Paragraph const & par : pars) {
+ if (par.layout().hasArgs())
+ // The InsetArguments inside this paragraph refer to this paragraph
+ continue;
+ addArgInsets(par, prefix, latexargs, ilist, required);
+ }
+ getArgInsets(os, runparams, latexargs, ilist, required, prefix);
}
namespace {
-ParagraphList::const_iterator
-TeXOnePar(Buffer const & buf,
- ParagraphList const & paragraphs,
- ParagraphList::const_iterator pit,
- odocstream & os, TexRow & texrow,
- OutputParams const & runparams_in,
- string const & everypar)
+// output the proper paragraph start according to latextype.
+void parStartCommand(Paragraph const & par, otexstream & os,
+ OutputParams const & runparams, Layout const & style)
{
- LYXERR(Debug::LATEX) << "TeXOnePar... " << &*pit << " '"
- << everypar << "'" << endl;
- BufferParams const & bparams = buf.params();
- Layout_ptr style;
+ switch (style.latextype) {
+ case LATEX_COMMAND:
+ os << '\\' << from_ascii(style.latexname());
- // In an inset with unlimited length (all in one row),
- // force layout to default
- if (!pit->forceDefaultParagraphs())
- style = pit->layout();
- else
- style = bparams.getTextClass().defaultLayout();
+ // Command arguments
+ if (!style.latexargs().empty())
+ latexArgInsets(par, os, runparams, style.latexargs());
+ os << from_ascii(style.latexparam());
+ break;
+ case LATEX_ITEM_ENVIRONMENT:
+ case LATEX_LIST_ENVIRONMENT:
+ os << "\\" + style.itemcommand();
+ // Item arguments
+ if (!style.itemargs().empty())
+ latexArgInsets(par, os, runparams, style.itemargs(), "item:");
+ os << " ";
+ break;
+ case LATEX_BIB_ENVIRONMENT:
+ // ignore this, the inset will write itself
+ break;
+ default:
+ break;
+ }
+}
+
+} // namespace anon
+
+// FIXME: this should be anonymous
+void TeXOnePar(Buffer const & buf,
+ Text const & text,
+ pit_type pit,
+ otexstream & os,
+ OutputParams const & runparams_in,
+ string const & everypar,
+ int start_pos, int end_pos)
+{
+ BufferParams const & bparams = runparams_in.is_child
+ ? buf.masterParams() : buf.params();
+ ParagraphList const & paragraphs = text.paragraphs();
+ Paragraph const & par = paragraphs.at(pit);
+ // FIXME This check should not really be needed.
+ // Perhaps we should issue an error if it is.
+ Layout const & style = text.inset().forcePlainLayout() ?
+ bparams.documentClass().plainLayout() : par.layout();
+
+ if (style.inpreamble)
+ return;
+
+ LYXERR(Debug::LATEX, "TeXOnePar for paragraph " << pit << " ptr " << &par << " '"
+ << everypar << "'");
OutputParams runparams = runparams_in;
- runparams.moving_arg |= style->needprotect;
+ runparams.isLastPar = (pit == pit_type(paragraphs.size() - 1));
+ // We reinitialze par begin and end to be on the safe side
+ // with embedded inset as we don't know if they set those
+ // value correctly.
+ runparams.par_begin = 0;
+ runparams.par_end = 0;
+
+ bool const maintext = text.isMainText();
+ // we are at the beginning of an inset and CJK is already open;
+ // we count inheritation levels to get the inset nesting right.
+ OutputState * state = getOutputState();
+ if (pit == 0 && !maintext
+ && (state->cjk_inherited_ > 0 || state->open_encoding_ == CJK)) {
+ state->cjk_inherited_ += 1;
+ state->open_encoding_ = none;
+ }
+
+ if (text.inset().isPassThru()) {
+ Font const outerfont = text.outerFont(pit);
+
+ // No newline before first paragraph in this lyxtext
+ if (pit > 0) {
+ os << '\n';
+ if (!text.inset().getLayout().parbreakIsNewline())
+ os << '\n';
+ }
+
+ par.latex(bparams, outerfont, os, runparams, start_pos, end_pos);
+ return;
+ }
+
+ Paragraph const * nextpar = runparams.isLastPar
+ ? 0 : ¶graphs.at(pit + 1);
+
+ if (style.pass_thru) {
+ Font const outerfont = text.outerFont(pit);
+ parStartCommand(par, os, runparams, style);
+
+ par.latex(bparams, outerfont, os, runparams, start_pos, end_pos);
+
+ // I did not create a parEndCommand for this minuscule
+ // task because in the other user of parStartCommand
+ // the code is different (JMarc)
+ if (style.isCommand())
+ os << "}\n";
+ else
+ os << '\n';
+ if (!style.parbreak_is_newline) {
+ os << '\n';
+ } else if (nextpar && !style.isEnvironment()) {
+ Layout const nextstyle = text.inset().forcePlainLayout()
+ ? bparams.documentClass().plainLayout()
+ : nextpar->layout();
+ if (nextstyle.name() != style.name())
+ os << '\n';
+ }
+
+ return;
+ }
- Language const * const par_language = pit->getParLanguage(bparams);
+ // This paragraph's language
+ Language const * const par_language = par.getParLanguage(bparams);
+ Language const * const nextpar_language = nextpar ?
+ nextpar->getParLanguage(bparams) : 0;
+ // The document's language
Language const * const doc_language = bparams.language;
- Language const * const prev_par_language =
- (pit != paragraphs.begin())
- ? boost::prior(pit)->getParLanguage(bparams)
- : doc_language;
+ // The language that was in effect when the environment this paragraph is
+ // inside of was opened
+ Language const * const outer_language =
+ (runparams.local_font != 0) ?
+ runparams.local_font->language() : doc_language;
+
+ Paragraph const * priorpar = (pit == 0) ? 0 : ¶graphs.at(pit - 1);
+
+ // The previous language that was in effect is the language of the
+ // previous paragraph, unless the previous paragraph is inside an
+ // environment with nesting depth greater than (or equal to, but with
+ // a different layout) the current one. If there is no previous
+ // paragraph, the previous language is the outer language.
+ bool const use_prev_env_language = state->prev_env_language_ != 0
+ && priorpar
+ && priorpar->layout().isEnvironment()
+ && (priorpar->getDepth() > par.getDepth()
+ || (priorpar->getDepth() == par.getDepth()
+ && priorpar->layout() != par.layout()));
+ Language const * const prev_language =
+ (pit != 0)
+ ? (use_prev_env_language ? state->prev_env_language_
+ : priorpar->getParLanguage(bparams))
+ : outer_language;
+
+
+ bool const use_polyglossia = runparams.use_polyglossia;
+ string const par_lang = use_polyglossia ?
+ getPolyglossiaEnvName(par_language): par_language->babel();
+ string const prev_lang = use_polyglossia ?
+ getPolyglossiaEnvName(prev_language) : prev_language->babel();
+ string const outer_lang = use_polyglossia ?
+ getPolyglossiaEnvName(outer_language) : outer_language->babel();
+ string const nextpar_lang = nextpar_language ? (use_polyglossia ?
+ getPolyglossiaEnvName(nextpar_language) :
+ nextpar_language->babel()) : string();
+ string lang_begin_command = use_polyglossia ?
+ "\\begin{$$lang}$$opts" : lyxrc.language_command_begin;
+ string lang_end_command = use_polyglossia ?
+ "\\end{$$lang}" : lyxrc.language_command_end;
+ // the '%' is necessary to prevent unwanted whitespace
+ string lang_command_termination = "%\n";
+ bool const using_begin_end = use_polyglossia ||
+ !lang_end_command.empty();
+
+ // In some insets (such as Arguments), we cannot use \selectlanguage
+ bool const localswitch = text.inset().forceLocalFontSwitch()
+ || (using_begin_end && text.inset().forcePlainLayout());
+ if (localswitch) {
+ lang_begin_command = use_polyglossia ?
+ "\\text$$lang$$opts{" : lyxrc.language_command_local;
+ lang_end_command = "}";
+ lang_command_termination.clear();
+ }
- if (par_language->babel() != prev_par_language->babel()
- // check if we already put language command in TeXEnvironment()
- && !(style->isEnvironment()
- && (pit == paragraphs.begin() ||
- (boost::prior(pit)->layout() != pit->layout() &&
- boost::prior(pit)->getDepth() <= pit->getDepth())
- || boost::prior(pit)->getDepth() < pit->getDepth())))
+ if (par_lang != prev_lang
+ // check if we already put language command in TeXEnvironment()
+ && !(style.isEnvironment()
+ && (pit == 0 || (priorpar->layout() != par.layout()
+ && priorpar->getDepth() <= par.getDepth())
+ || priorpar->getDepth() < par.getDepth())))
{
- if (!lyxrc.language_command_end.empty() &&
- prev_par_language->babel() != doc_language->babel())
+ if ((!using_begin_end || langOpenedAtThisLevel(state)) &&
+ !lang_end_command.empty() &&
+ prev_lang != outer_lang &&
+ !prev_lang.empty() &&
+ (!using_begin_end || !style.isEnvironment()))
{
- os << from_ascii(subst(lyxrc.language_command_end,
+ os << from_ascii(subst(lang_end_command,
"$$lang",
- prev_par_language->babel()))
- << '\n';
- texrow.newline();
+ prev_lang))
+ << lang_command_termination;
+ if (using_begin_end)
+ popLanguageName();
}
- if (lyxrc.language_command_end.empty() ||
- par_language->babel() != doc_language->babel())
- {
- os << from_ascii(subst(
- lyxrc.language_command_begin,
- "$$lang",
- par_language->babel()))
- << '\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
+ || (!using_begin_end
+ || (style.isEnvironment() && par_lang != prev_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 (!using_begin_end
+ // 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
+ && par_lang != openLanguageName(state)
+ && !par_lang.empty()) {
+ string bc = use_polyglossia ?
+ getPolyglossiaBegin(lang_begin_command, par_lang, par_language->polyglossiaOpts())
+ : subst(lang_begin_command, "$$lang", par_lang);
+ os << bc;
+ os << lang_command_termination;
+ if (using_begin_end)
+ pushLanguageName(par_lang, localswitch);
+ }
}
}
- // Switch file encoding if necessary
- if (bparams.inputenc == "auto") {
+ // 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.isFullUnicode() // Xe/LuaTeX use one document-wide encoding (see also switchEncoding())
+ && 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 (pos_type i = 0; i < pit->size(); ++i) {
- char_type const c = pit->getChar(i);
- if (c < 0x80)
+ // 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 < par.size(); ++i) {
+ char_type const c = par.getChar(i);
+ Encoding const * const encoding =
+ par.getFontSettings(bparams, i).language()->encoding();
+ if (encoding->package() != Encoding::CJK
+ && runparams.encoding->package() == Encoding::inputenc
+ && isASCII(c))
continue;
- if (pit->isInset(i))
+ if (par.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.
- Encoding const * const encoding =
- pit->getFontSettings(bparams, i).language()->encoding();
- if (switchEncoding(os, bparams, false,
- *(runparams.encoding), *encoding) > 0) {
+ // With CJK, only add switch if we have CJK content at the beginning
+ // of the paragraph
+ if (i != 0 && encoding->package() == Encoding::CJK)
+ continue;
+
+ pair<bool, int> enc_switch = switchEncoding(os.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
+ && state->open_encoding_ != CJK && state->cjk_inherited_ == 0) {
+ os << "\\begin{CJK}{" << from_ascii(par_language->encoding()->latexName())
+ << "}{" << from_ascii(bparams.fonts_cjk) << "}%\n";
+ state->open_encoding_ = CJK;
+ }
+ if (encoding->package() != Encoding::none && enc_switch.first) {
+ if (enc_switch.second > 0) {
+ // the '%' is necessary to prevent unwanted whitespace
+ os << "%\n";
+ }
+ // With CJK, the CJK tag had to be closed first (see above)
+ if (runparams.encoding->package() == Encoding::CJK
+ && par_lang != openLanguageName(state)
+ && !par_lang.empty()) {
+ os << from_ascii(subst(
+ lang_begin_command,
+ "$$lang",
+ par_lang))
+ << lang_command_termination;
+ if (using_begin_end)
+ pushLanguageName(par_lang, localswitch);
+ }
runparams.encoding = encoding;
- os << '\n';
- texrow.newline();
}
break;
}
}
- // In an inset with unlimited length (all in one row),
- // don't allow any special options in the paragraph
- if (!pit->forceDefaultParagraphs()) {
- if (pit->params().startOfAppendix()) {
- os << "\\appendix\n";
- texrow.newline();
+ runparams.moving_arg |= style.needprotect;
+ Encoding const * const prev_encoding = runparams.encoding;
+
+ bool const useSetSpace = bparams.documentClass().provides("SetSpace");
+ if (par.allowParagraphCustomization()) {
+ if (par.params().startOfAppendix()) {
+ os << "\n\\appendix\n";
}
- if (!pit->params().spacing().isDefault()
- && (pit == paragraphs.begin()
- || !boost::prior(pit)->hasSameLayout(*pit)))
+ if (!par.params().spacing().isDefault()
+ && (pit == 0 || !priorpar->hasSameLayout(par)))
{
- os << from_ascii(pit->params().spacing().writeEnvirBegin())
+ os << from_ascii(par.params().spacing().writeEnvirBegin(useSetSpace))
<< '\n';
- texrow.newline();
}
- if (style->isCommand()) {
+ 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->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(std::distance(paragraphs.begin(), pit),
- paragraphs);
+ parStartCommand(par, os, runparams, style);
+ Font const outerfont = text.outerFont(pit);
// FIXME UNICODE
os << from_utf8(everypar);
- bool need_par = pit->simpleTeXOnePar(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.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)
+ par.latex(bparams, outerfont, os, runparams, start_pos, end_pos);
+
+ Font const font = par.empty()
+ ? par.getLayoutFont(bparams, outerfont)
+ : par.getFont(bparams, par.size() - 1, outerfont);
+
+ bool const is_command = style.isCommand();
+
+ if (is_command) {
os << '}';
+ if (!style.postcommandargs().empty())
+ latexArgInsets(par, os, runparams, style.postcommandargs(), "post:");
+ if (runparams.encoding != prev_encoding) {
+ runparams.encoding = prev_encoding;
+ os << setEncoding(prev_encoding->iconvName());
+ }
+ }
bool pending_newline = false;
- switch (style->latextype) {
+ bool unskip_newline = false;
+ bool close_lang_switch = 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()))
+ if ((nextpar && par_lang != nextpar_lang
+ && nextpar->getDepth() == par.getDepth())
+ || (atSameLastLangSwitchDepth(state) && nextpar
+ && nextpar->getDepth() < par.getDepth()))
+ close_lang_switch = using_begin_end;
+ if (nextpar && par.params().depth() < nextpar->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()))
+ if (nextpar
+ && ((nextpar->layout() != par.layout()
+ || nextpar->params().depth() != par.params().depth())
+ || (!using_begin_end || par_lang != nextpar_lang)))
+ {
+ close_lang_switch = using_begin_end;
break;
+ }
}
- // fall through possible
+ // fall through possible
default:
// we don't need it for the last paragraph!!!
- if (boost::next(pit) != paragraphs.end())
+ if (nextpar)
pending_newline = true;
}
- if (!pit->forceDefaultParagraphs()) {
- if (!pit->params().spacing().isDefault()
- && (boost::next(pit) == paragraphs.end()
- || !boost::next(pit)->hasSameLayout(*pit)))
- {
- if (pending_newline) {
+ if (par.allowParagraphCustomization()) {
+ if (!par.params().spacing().isDefault()
+ && (runparams.isLastPar || !nextpar->hasSameLayout(par))) {
+ if (pending_newline)
os << '\n';
- texrow.newline();
- }
- os << from_ascii(pit->params().spacing().writeEnvirEnd());
+
+ string const endtag =
+ par.params().spacing().writeEnvirEnd(useSetSpace);
+ if (prefixIs(endtag, "\\end{"))
+ os << breakln;
+
+ os << from_ascii(endtag);
pending_newline = true;
}
}
- if (boost::next(pit) == paragraphs.end()
- && par_language->babel() != doc_language->babel()) {
+ // 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 = !using_begin_end
+ // not for ArabTeX
+ && (par_language->lang() != "arabic_arabtex"
+ && outer_language->lang() != "arabic_arabtex")
+ // have we opened an \L or \R environment?
+ && runparams.local_font != 0
+ && runparams.local_font->isRightToLeft() != par_language->rightToLeft()
+ // are we about to close the language?
+ &&((nextpar && par_lang != nextpar_lang)
+ || (runparams.isLastPar && par_lang != outer_lang));
+
+ if (closing_rtl_ltr_environment
+ || ((runparams.isLastPar || close_lang_switch)
+ && (par_lang != outer_lang || (using_begin_end
+ && style.isEnvironment()
+ && par_lang != nextpar_lang)))) {
// 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) {
+ if (pending_newline || close_lang_switch)
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 =
+ (runparams.isLastPar && runparams.master_language)
+ ? runparams.master_language
+ : outer_language;
+ string const current_lang = use_polyglossia
+ ? getPolyglossiaEnvName(current_language)
+ : current_language->babel();
+ if (!current_lang.empty()
+ && current_lang != openLanguageName(state)) {
+ string bc = use_polyglossia ?
+ getPolyglossiaBegin(lang_begin_command, current_lang,
+ current_language->polyglossiaOpts())
+ : subst(lang_begin_command, "$$lang", current_lang);
+ os << bc;
+ pending_newline = !localswitch;
+ unskip_newline = !localswitch;
+ if (using_begin_end)
+ pushLanguageName(current_lang, localswitch);
+ }
+ } else if ((!using_begin_end ||
+ langOpenedAtThisLevel(state)) &&
+ !par_lang.empty()) {
+ // If we are in an environment, we have to
+ // close the "outer" language afterwards
+ string const & cur_lang = openLanguageName(state);
+ if (!style.isEnvironment()
+ || (close_lang_switch
+ && atSameLastLangSwitchDepth(state)
+ && par_lang != outer_lang
+ && (par_lang != cur_lang
+ || (cur_lang != outer_lang
+ && nextpar
+ && style != nextpar->layout())))
+ || (atSameLastLangSwitchDepth(state)
+ && state->lang_switch_depth_.size()
+ && cur_lang != par_lang))
+ {
+ if (using_begin_end && !localswitch)
+ os << breakln;
+ os << from_ascii(subst(
+ lang_end_command,
+ "$$lang",
+ par_lang));
+ pending_newline = !localswitch;
+ unskip_newline = !localswitch;
+ if (using_begin_end)
+ popLanguageName();
+ }
+ }
}
- if (lyxrc.language_command_end.empty())
- os << from_ascii(subst(
- lyxrc.language_command_begin,
- "$$lang",
- doc_language->babel()));
- else
- os << from_ascii(subst(
- lyxrc.language_command_end,
- "$$lang",
- par_language->babel()));
- pending_newline = true;
}
+ if (closing_rtl_ltr_environment)
+ os << "}";
+
+ bool const last_was_separator =
+ par.size() > 0 && par.isEnvSeparator(par.size() - 1);
if (pending_newline) {
- os << '\n';
- texrow.newline();
+ if (unskip_newline)
+ // prevent unwanted whitespace
+ os << '%';
+ if (!os.afterParbreak() && !last_was_separator)
+ os << '\n';
+ }
+
+ // 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 (nextpar
+ && state->open_encoding_ == CJK
+ && (nextpar_language->encoding()->package() != Encoding::CJK
+ || (nextpar->layout().isEnvironment() && nextpar->isMultiLingual(bparams)))
+ // inbetween environments, CJK has to be closed later (nesting!)
+ && (!style.isEnvironment() || !nextpar->layout().isEnvironment())) {
+ os << "\\end{CJK}\n";
+ state->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 (runparams.isLastPar && !style.isEnvironment()) {
+ switch (state->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\\end{CJK}\n";
+ // end of an inset
+ } else
+ os << "\\end{CJK}";
+ state->open_encoding_ = none;
+ break;
+ }
+ case inputenc: {
+ os << "\\egroup";
+ state->open_encoding_ = none;
+ break;
+ }
+ case none:
+ default:
+ // do nothing
+ break;
+ }
}
- 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
+ // If this is the last paragraph, and a local_font was set upon entering
+ // the inset, and we're using "auto" or "default" encoding, and not
+ // compiling with XeTeX or LuaTeX, the encoding
+ // should be set back to that local_font's encoding.
+ if (runparams.isLastPar && 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 (boost::next(pit) != paragraphs.end()) {
- os << '\n';
- texrow.newline();
+ if (nextpar && !os.afterParbreak() && !last_was_separator) {
+ // Make sure to start a new line
+ os << breakln;
+ Layout const & next_layout = nextpar->layout();
+ // A newline '\n' is always output before a command,
+ // so avoid doubling it.
+ if (!next_layout.isCommand()) {
+ // Here we now try to avoid spurious empty lines by
+ // outputting a paragraph break only if: (case 1) the
+ // paragraph style allows parbreaks and no \begin, \end
+ // or \item tags are going to follow (i.e., if the next
+ // isn't the first or the current isn't the last
+ // paragraph of an environment or itemize) and the
+ // depth and alignment of the following paragraph is
+ // unchanged, or (case 2) the following is a
+ // non-environment paragraph whose depth is increased
+ // but whose alignment is unchanged, or (case 3) the
+ // paragraph is not an environment and the next one is a
+ // non-itemize-like env at lower depth, or (case 4) the
+ // paragraph is a command not followed by an environment
+ // and the alignment of the current and next paragraph
+ // is unchanged, or (case 5) the current alignment is
+ // changed and a standard paragraph follows.
+ DocumentClass const & tclass = bparams.documentClass();
+ if ((style == next_layout
+ && !style.parbreak_is_newline
+ && !text.inset().getLayout().parbreakIsNewline()
+ && style.latextype != LATEX_ITEM_ENVIRONMENT
+ && style.latextype != LATEX_LIST_ENVIRONMENT
+ && style.align == par.getAlign()
+ && nextpar->getDepth() == par.getDepth()
+ && nextpar->getAlign() == par.getAlign())
+ || (!next_layout.isEnvironment()
+ && nextpar->getDepth() > par.getDepth()
+ && nextpar->getAlign() == par.getAlign())
+ || (!style.isEnvironment()
+ && next_layout.latextype == LATEX_ENVIRONMENT
+ && nextpar->getDepth() < par.getDepth())
+ || (style.isCommand()
+ && !next_layout.isEnvironment()
+ && style.align == par.getAlign()
+ && next_layout.align == nextpar->getAlign())
+ || (style.align != par.getAlign()
+ && tclass.isDefaultLayout(next_layout))) {
+ os << '\n';
+ }
+ }
}
- if (boost::next(pit) != paragraphs.end())
- LYXERR(Debug::LATEX) << "TeXOnePar...done " << &*boost::next(pit) << endl;
+ LYXERR(Debug::LATEX, "TeXOnePar for paragraph " << pit << " done; ptr "
+ << &par << " next " << nextpar);
- return ++pit;
+ return;
}
-} // anon namespace
-
// LaTeX all paragraphs
void latexParagraphs(Buffer const & buf,
- ParagraphList const & paragraphs,
- odocstream & os,
- TexRow & texrow,
+ Text const & text,
+ otexstream & os,
OutputParams const & runparams,
string const & everypar)
{
+ LASSERT(runparams.par_begin <= runparams.par_end,
+ { os << "% LaTeX Output Error\n"; return; } );
+
+ BufferParams const & bparams = buf.params();
+ BufferParams const & mparams = buf.masterParams();
+
+ bool const maintext = text.isMainText();
+ bool const is_child = buf.masterBuffer() != &buf;
+ bool const multibib_child = maintext && is_child
+ && mparams.multibib == "child";
+
+ if (multibib_child && mparams.useBiblatex())
+ os << "\\newrefsection";
+ else if (multibib_child && mparams.useBibtopic()) {
+ os << "\\begin{btUnit}\n";
+ runparams.openbtUnit = true;
+ }
+
+ // 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)
+ OutputState * state = getOutputState();
+ if (maintext && !is_child
+ && bparams.encoding().package() == Encoding::CJK) {
+ os << "\\begin{CJK}{" << from_ascii(bparams.encoding().latexName())
+ << "}{" << from_ascii(bparams.fonts_cjk) << "}%\n";
+ state->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{$$lang}$$opts" : lyxrc.language_command_begin;
+ string const lang_end_command = runparams.use_polyglossia ?
+ "\\end{$$lang}" : lyxrc.language_command_end;
+ bool const using_begin_end = runparams.use_polyglossia ||
+ !lang_end_command.empty();
+
+ if (maintext && !lyxrc.language_auto_begin &&
+ !mainlang.empty()) {
+ // FIXME UNICODE
+ string bc = runparams.use_polyglossia ?
+ getPolyglossiaBegin(lang_begin_command, mainlang,
+ bparams.language->polyglossiaOpts())
+ : subst(lang_begin_command, "$$lang", mainlang);
+ os << bc;
+ os << '\n';
+ if (using_begin_end)
+ pushLanguageName(mainlang);
+ }
+
+ ParagraphList const & paragraphs = text.paragraphs();
+
+ if (runparams.par_begin == runparams.par_end) {
+ // The full doc will be exported but it is easier to just rely on
+ // runparams range parameters that will be passed TeXEnvironment.
+ runparams.par_begin = 0;
+ runparams.par_end = paragraphs.size();
+ }
+
+ pit_type pit = runparams.par_begin;
+ // lastpit is for the language check after the loop.
+ pit_type lastpit = pit;
+ // variables used in the loop:
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()) {
- Layout_ptr 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();
- }
+ DocumentClass const & tclass = bparams.documentClass();
+
+ // Did we already warn about inTitle layout mixing? (we only warn once)
+ bool gave_layout_warning = false;
+ for (; pit < runparams.par_end; ++pit) {
+ lastpit = pit;
+ ParagraphList::const_iterator par = paragraphs.constIterator(pit);
+
+ // 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) {
+ if (!gave_layout_warning && !runparams.dryrun) {
+ gave_layout_warning = true;
+ frontend::Alert::warning(_("Error in latexParagraphs"),
+ bformat(_("You are using at least one "
+ "layout (%1$s) intended for the title, "
+ "after using non-title layouts. This "
+ "could lead to missing or incorrect output."
+ ), layout.name()));
}
- } else if (was_title && !already_title) {
+ } else if (!was_title) {
+ was_title = true;
if (tclass.titletype() == TITLE_ENVIRONMENT) {
- os << "\\end{" << from_ascii(tclass.titlename())
- << "}\n";
- }
- else {
- os << "\\" << from_ascii(tclass.titlename())
- << "\n";
+ os << "\\begin{"
+ << from_ascii(tclass.titlename())
+ << "}\n";
}
- texrow.newline();
- already_title = true;
- was_title = false;
}
+ } else if (was_title && !already_title && !layout.inpreamble) {
+ if (tclass.titletype() == TITLE_ENVIRONMENT) {
+ os << "\\end{" << from_ascii(tclass.titlename())
+ << "}\n";
+ }
+ else {
+ os << "\\" << from_ascii(tclass.titlename())
+ << "\n";
+ }
+ 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);
+ if (layout.isCommand() && !layout.latexname().empty()
+ && layout.latexname() == bparams.multibib) {
+ if (runparams.openbtUnit)
+ os << "\\end{btUnit}\n";
+ if (!bparams.useBiblatex()) {
+ os << '\n' << "\\begin{btUnit}\n";
+ runparams.openbtUnit = true;
}
- } else {
- par = TeXOnePar(buf, paragraphs, par, os, texrow,
- runparams, everypar);
}
- if (std::distance(lastpar, par) >= std::distance(lastpar, endpar))
- break;
+
+ if (!layout.isEnvironment() && par->params().leftIndent().zero()) {
+ // This is a standard top level paragraph, TeX it and continue.
+ TeXOnePar(buf, text, pit, os, runparams, everypar);
+ continue;
+ }
+
+ TeXEnvironmentData const data =
+ prepareEnvironment(buf, text, par, os, runparams);
+ // pit can be changed in TeXEnvironment.
+ TeXEnvironment(buf, text, runparams, pit, os);
+ finishEnvironment(os, runparams, data);
+ }
+
+ if (pit == runparams.par_end) {
+ // Make sure that the last paragraph is
+ // correctly terminated (because TeXOnePar does
+ // not add a \n in this case)
+ //os << '\n';
}
+
// 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 {
+ << "}\n";
+ } else {
os << "\\" << from_ascii(tclass.titlename())
- << "\n";
- }
- texrow.newline();
+ << "\n";
+ }
+ }
+
+ if (maintext && !is_child && runparams.openbtUnit)
+ os << "\\end{btUnit}\n";
+
+ // if "auto end" is switched off, explicitly close the language at the end
+ // but only if the last par is in a babel or polyglossia language
+ if (maintext && !lyxrc.language_auto_end && !mainlang.empty() &&
+ paragraphs.at(lastpit).getParLanguage(bparams)->encoding()->package() != Encoding::CJK) {
+ os << from_utf8(subst(lang_end_command,
+ "$$lang",
+ mainlang))
+ << '\n';
+ if (using_begin_end)
+ popLanguageName();
+ }
+
+ // If the last paragraph is an environment, we'll have to close
+ // CJK at the very end to do proper nesting.
+ if (maintext && !is_child && state->open_encoding_ == CJK) {
+ os << "\\end{CJK}\n";
+ state->open_encoding_ = none;
+ }
+ // Likewise for polyglossia or when using begin/end commands
+ string const & cur_lang = openLanguageName(state);
+ if (maintext && !is_child && !cur_lang.empty()) {
+ os << from_utf8(subst(lang_end_command,
+ "$$lang",
+ cur_lang))
+ << '\n';
+ if (using_begin_end)
+ popLanguageName();
+ }
+
+ // reset inherited encoding
+ if (state->cjk_inherited_ > 0) {
+ state->cjk_inherited_ -= 1;
+ if (state->cjk_inherited_ == 0)
+ state->open_encoding_ = CJK;
+ }
+
+ if (multibib_child && mparams.useBibtopic()) {
+ os << "\\end{btUnit}\n";
+ runparams.openbtUnit = false;
}
}
-int switchEncoding(odocstream & os, BufferParams const & bparams,
- bool moving_arg, Encoding const & oldEnc,
- Encoding const & newEnc)
+pair<bool, int> switchEncoding(odocstream & os, BufferParams const & bparams,
+ OutputParams const & runparams, Encoding const & newEnc,
+ bool force)
{
- // FIXME thailatex does not support the inputenc package, so we
- // ignore switches from/to tis620-0 encoding here. This does of
- // course only work as long as the non-thai text contains ASCII
- // only, but it is the best we can do.
- // Since the \inputencoding command does not work inside sections
- // we ignore the encoding switch also in moving arguments.
- if (((bparams.inputenc == "auto" && !moving_arg) ||
- bparams.inputenc == "default") &&
- oldEnc.name() != newEnc.name() &&
- oldEnc.name() != "ascii" && newEnc.name() != "ascii" &&
- oldEnc.name() != "tis620-0" && newEnc.name() != "tis620-0") {
- LYXERR(Debug::LATEX) << "Changing LaTeX encoding from "
- << oldEnc.name() << " to "
- << newEnc.name() << endl;
- os << setEncoding(newEnc.iconvName());
- if (bparams.inputenc != "default") {
- docstring const inputenc(from_ascii(newEnc.latexName()));
- os << "\\inputencoding{" << inputenc << '}';
- return 16 + inputenc.length();
- }
- }
- return 0;
+ // XeTeX/LuaTeX use only one encoding per document:
+ // * with useNonTeXFonts: "utf8plain",
+ // * with XeTeX and TeX fonts: "ascii" (inputenc fails),
+ // * with LuaTeX and TeX fonts: only one encoding accepted by luainputenc.
+ if (runparams.isFullUnicode())
+ return make_pair(false, 0);
+
+ Encoding const & oldEnc = *runparams.encoding;
+ bool moving_arg = runparams.moving_arg;
+ // If we switch from/to CJK, we need to switch anyway, despite custom inputenc
+ bool const from_to_cjk =
+ (oldEnc.package() == Encoding::CJK && newEnc.package() != Encoding::CJK)
+ || (oldEnc.package() != Encoding::CJK && newEnc.package() == Encoding::CJK);
+ if (!force && !from_to_cjk
+ && ((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()));
+ OutputState * state = getOutputState();
+ 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 &&
+ state->open_encoding_ == CJK) {
+ os << "\\end{CJK}";
+ state->open_encoding_ = none;
+ count += 9;
+ }
+ else if (oldEnc.package() == Encoding::inputenc &&
+ state->open_encoding_ == inputenc) {
+ os << "\\egroup";
+ state->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;
+ state->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 &&
+ state->open_encoding_ == CJK) {
+ os << "\\end{CJK}";
+ count += 9;
+ }
+ if (oldEnc.package() == Encoding::inputenc &&
+ state->open_encoding_ == inputenc) {
+ os << "\\egroup";
+ count += 7;
+ }
+ os << "\\begin{CJK}{" << inputenc_arg << "}{"
+ << from_ascii(bparams.fonts_cjk) << "}";
+ state->open_encoding_ = CJK;
+ return make_pair(true, count + 15);
+ }
+ }
+ // Dead code to avoid a warning:
+ return make_pair(true, 0);
+
}
} // namespace lyx