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[lyx.git] / src / output_latex.cpp

diff --git a/src/output_latex.cpp b/src/output_latex.cpp
index 314502577fb535a14674f36fa5d0923ad3325bb1..370b7a0842e75d010b10d11e9c9358e9831e165b 100644 (file)
--- 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"
@@ -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()) // FIXME: test for UseTeXFonts
-                               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()) // FIXME: test for UseTeXFonts
-                               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)
@@ -771,6 +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,
@@ -883,8 +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()) // FIXME: test for UseTeXFonts
-                               os << setEncoding(prev_encoding->iconvName());
+                       os << setEncoding(prev_encoding->iconvName());
                }
        }
 
@@ -1042,13 +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 non-TeX fonts are 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())) { // FIXME: test for UseTeXFonts
+               && !runparams.isFullUnicode()
+          ) {
                runparams_in.encoding = runparams_in.local_font->language()->encoding();
                os << setEncoding(runparams_in.encoding->iconvName());
        }
@@ -1286,6 +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