[LyX/2.3.x] tex2lyx: support for btUnit (multibib)

[Juergen Spitzmueller]

commit fae43384684c7f2f6b20c677066d84800cee63c6
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Tue Aug 21 17:18:04 2018 +0200

    tex2lyx: support for btUnit (multibib)
    
    (cherry picked from commit 0ae68ae828cd8d3589c7aa4bd2ef958aa38182b4)
---
 src/tex2lyx/Preamble.h |    2 ++
 src/tex2lyx/TODO.txt   |    5 -----
 src/tex2lyx/text.cpp   |   18 ++++++++++++++++++
 3 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/src/tex2lyx/Preamble.h b/src/tex2lyx/Preamble.h
index 0d3ff01..5c8b17f 100644
--- a/src/tex2lyx/Preamble.h
+++ b/src/tex2lyx/Preamble.h
@@ -82,6 +82,8 @@ public:
        ///
        void citeEngine(std::string const & e) { h_cite_engine = e; }
        ///
+       void multibib(std::string const & s) { h_multibib = s; }
+       ///
        bool titleLayoutFound() const { return title_layout_found; }
        ///
        void titleLayoutFound(bool found) { title_layout_found = found; }
diff --git a/src/tex2lyx/TODO.txt b/src/tex2lyx/TODO.txt
index fa2bd7a..a68cc37 100644
--- a/src/tex2lyx/TODO.txt
+++ b/src/tex2lyx/TODO.txt
@@ -36,11 +36,6 @@ Format LaTeX feature                        LyX feature
 453    automatic stmaryrd loading           \use_package stmaryrd
 457    automatic stackrel loading           \use_package stackrel
 526    Plural and capitalized refstyles      InsetRef
-533    Multibib support
-       \begin{btUnit}...\end{btUnit}        \multibib 
{none|part|chapter|section|subsection}
-        (if a part, chapter, section etc.
-         follows the \begin...)
-
 
 
 
diff --git a/src/tex2lyx/text.cpp b/src/tex2lyx/text.cpp
index 85e2462..09a29ff 100644
--- a/src/tex2lyx/text.cpp
+++ b/src/tex2lyx/text.cpp
@@ -1942,6 +1942,24 @@ void parse_environment(Parser & p, ostream & os, bool 
outer,
                p.skip_spaces();
        }
 
+       else if (name == "btUnit") {
+               string const nt = p.next_next_token().cs();
+               active_environments.push_back("btUnit");
+               if (nt == "part")
+                       preamble.multibib("part");
+               else if (nt == "chapter")
+                       preamble.multibib("chapter");
+               else if (nt == "section")
+                       preamble.multibib("section");
+               else if (nt == "subsection")
+                       preamble.multibib("subsection");
+               else {
+                       parse_unknown_environment(p, name, os, FLAG_END, outer,
+                                                 parent_context);
+                       active_environments.pop_back();
+               }
+       }
+
        else if (name == "framed" || name == "shaded") {
                eat_whitespace(p, os, parent_context, false);
                parse_outer_box(p, os, FLAG_END, outer, parent_context, name, 
"");