X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Foutput_latex.cpp;h=370b7a0842e75d010b10d11e9c9358e9831e165b;hb=0c7bd9a57f2a308bb9659200eda3b7e45f8d5d3c;hp=feb51a00395ff10cd1b4f9f9eff13a82b22add28;hpb=afed7d06fa6c932a1a1578b76371189a7e17825e;p=lyx.git

diff --git a/src/output_latex.cpp b/src/output_latex.cpp
index feb51a0039..370b7a0842 100644
--- a/src/output_latex.cpp
+++ b/src/output_latex.cpp
@@ -23,6 +23,7 @@
 #include "OutputParams.h"
 #include "Paragraph.h"
 #include "ParagraphParameters.h"
+#include "texstream.h"
 #include "TextClass.h"
 
 #include "insets/InsetBibitem.h"
@@ -60,7 +61,7 @@ struct OutputState
 		        prev_env_language_(0), open_polyglossia_lang_("")
 	{
 	}
-	int open_encoding_;
+	OpenEncoding open_encoding_;
 	int cjk_inherited_;
 	Language const * prev_env_language_;
 	string open_polyglossia_lang_;
@@ -235,6 +236,7 @@ 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
@@ -248,8 +250,7 @@ static void finishEnvironment(otexstream & os, OutputParams const & runparams,
 		state->prev_env_language_ = data.par_language;
 		if (runparams.encoding != data.prev_encoding) {
 			runparams.encoding = data.prev_encoding;
-			if (!runparams.isFullUnicode())
-				os << setEncoding(data.prev_encoding->iconvName());
+			os << setEncoding(data.prev_encoding->iconvName());
 		}
 	}
 
@@ -258,8 +259,7 @@ static void finishEnvironment(otexstream & os, OutputParams const & runparams,
 		state->prev_env_language_ = data.par_language;
 		if (runparams.encoding != data.prev_encoding) {
 			runparams.encoding = data.prev_encoding;
-			if (!runparams.isFullUnicode())
-				os << setEncoding(data.prev_encoding->iconvName());
+			os << setEncoding(data.prev_encoding->iconvName());
 		}
 	}
 
@@ -471,9 +471,9 @@ void latexArgInsets(ParagraphList const & pars, ParagraphList::const_iterator pi
 	// get the first paragraph in sequence with this layout and depth
 	pit_type offset = 0;
 	while (true) {
-		if (prev(pit, offset) == pars.begin())
+		if (lyx::prev(pit, offset) == pars.begin())
 			break;
-		ParagraphList::const_iterator priorpit = prev(pit, offset + 1);
+		ParagraphList::const_iterator priorpit = lyx::prev(pit, offset + 1);
 		if (priorpit->layout() == current_layout
 		    && priorpit->params().depth() == current_depth)
 			++offset;
@@ -481,7 +481,7 @@ void latexArgInsets(ParagraphList const & pars, ParagraphList::const_iterator pi
 			break;
 	}
 
-	ParagraphList::const_iterator spit = prev(pit, offset);
+	ParagraphList::const_iterator spit = lyx::prev(pit, offset);
 
 	for (; spit != pars.end(); ++spit) {
 		if (spit->layout() != current_layout || spit->params().depth() < current_depth)
@@ -637,6 +637,8 @@ void TeXOnePar(Buffer const & buf,
 
 	// 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;
 	// The language that was in effect when the environment this paragraph is
@@ -672,6 +674,9 @@ void TeXOnePar(Buffer const & buf,
 		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 ?
@@ -703,6 +708,8 @@ void TeXOnePar(Buffer const & buf,
 				"$$lang",
 				prev_lang))
 			   << lang_command_termination;
+			if (prev_lang == state->open_polyglossia_lang_)
+				state->open_polyglossia_lang_ = "";
 		}
 
 		// We need to open a new language if we couldn't close the previous
@@ -764,6 +771,7 @@ void TeXOnePar(Buffer const & buf,
 	// 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,
@@ -876,8 +884,7 @@ void TeXOnePar(Buffer const & buf,
 			latexArgInsets(par, os, runparams, style.postcommandargs(), "post:");
 		if (runparams.encoding != prev_encoding) {
 			runparams.encoding = prev_encoding;
-			if (!runparams.isFullUnicode())
-				os << setEncoding(prev_encoding->iconvName());
+			os << setEncoding(prev_encoding->iconvName());
 		}
 	}
 
@@ -932,13 +939,12 @@ void TeXOnePar(Buffer const & buf,
 		&& runparams.local_font != 0
 		&& runparams.local_font->isRightToLeft() != par_language->rightToLeft()
 		// are we about to close the language?
-		&&((nextpar && par_language->babel() != (nextpar->getParLanguage(bparams))->babel())
-		   || (runparams.isLastPar && par_language->babel() != outer_language->babel()));
+		&&((nextpar && par_lang != nextpar_lang)
+		   || (runparams.isLastPar && par_lang != outer_lang));
 
 	if (closing_rtl_ltr_environment
 	    || (runparams.isLastPar
-	        && ((!use_polyglossia && par_language->babel() != outer_language->babel())
-		    || (use_polyglossia && par_language->polyglossia() != outer_language->polyglossia())))) {
+	        && par_lang != outer_lang)) {
 		// Since \selectlanguage write the language to the aux file,
 		// we need to reset the language at the end of footnote or
 		// float.
@@ -998,7 +1004,7 @@ void TeXOnePar(Buffer const & buf,
 	// also if the next paragraph is a multilingual environment (because of nesting)
 	if (nextpar
 		&& state->open_encoding_ == CJK
-		&& (nextpar->getParLanguage(bparams)->encoding()->package() != 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())) {
@@ -1036,14 +1042,14 @@ void TeXOnePar(Buffer const & buf,
 	}
 
 	// If this is the last paragraph, and a local_font was set upon entering
-	// the inset, and we're using "auto" or "default" encoding, the encoding
+	// 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.
-	// However, do not change the encoding when a fully unicode aware backend
-	// such as XeTeX is used.
 	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.isFullUnicode()
+	   ) {
 		runparams_in.encoding = runparams_in.local_font->language()->encoding();
 		os << setEncoding(runparams_in.encoding->iconvName());
 	}
@@ -1240,7 +1246,7 @@ void latexParagraphs(Buffer const & buf,
 	}
 
 	// if "auto end" is switched off, explicitly close the language at the end
-	// but only if the last par is in a babel language
+	// but only if the last par is in a babel or polyglossia language
 	string const lang_end_command = runparams.use_polyglossia ?
 		"\\end{$$lang}" : lyxrc.language_command_end;
 	if (maintext && !lyxrc.language_auto_end && !mainlang.empty() &&
@@ -1249,6 +1255,8 @@ void latexParagraphs(Buffer const & buf,
 					"$$lang",
 					mainlang))
 			<< '\n';
+		if (state->open_polyglossia_lang_ == mainlang)
+			state->open_polyglossia_lang_ = "";
 	}
 
 	// If the last paragraph is an environment, we'll have to close
@@ -1259,7 +1267,10 @@ void latexParagraphs(Buffer const & buf,
 	}
 	// Likewise for polyglossia
 	if (maintext && !is_child && state->open_polyglossia_lang_ != "") {
-		os << "\\end{" << state->open_polyglossia_lang_ << "}\n";
+		os << from_utf8(subst(lang_end_command,
+					"$$lang",
+					state->open_polyglossia_lang_))
+		   << '\n';
 		state->open_polyglossia_lang_ = "";
 	}
 
@@ -1276,6 +1287,13 @@ pair<bool, int> switchEncoding(odocstream & os, BufferParams const & bparams,
 		   OutputParams const & runparams, Encoding const & newEnc,
 		   bool force)
 {
+	// 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