From: Uwe Stöhr <uwestoehr@web.de>
Date: Sun, 4 Mar 2012 13:27:53 +0000 (+0000)
Subject: - text.cpp: - fix tex2lyx parsing of verbatim environments
X-Git-Tag: 2.1.0beta1~1998
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=df95041141c01c04fe8d4af43acc1cc1bc1b4795;p=lyx.git

- text.cpp: - fix tex2lyx parsing of verbatim environments
- Parser.cpp: - new function to parse verbatim environments
- test/test-structure.tex: updated example

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@40850 a592a061-630c-0410-9148-cb99ea01b6c8
---

diff --git a/src/tex2lyx/Parser.cpp b/src/tex2lyx/Parser.cpp
index c48301207a..75eb518203 100644
--- a/src/tex2lyx/Parser.cpp
+++ b/src/tex2lyx/Parser.cpp
@@ -481,6 +481,30 @@ string const Parser::verbatimEnvironment(string const & name)
 }
 
 
+string const Parser::plainEnvironment(string const & name)
+{
+	if (!good())
+		return string();
+
+	ostringstream os;
+	for (Token t = get_token(); good(); t = get_token()) {
+		if (t.cat() == catBegin) {
+			putback();
+			os << '{' << verbatim_item() << '}';
+		} else if (t.asInput() == "\\end") {
+			string const end = getArg('{', '}');
+			if (end == name)
+				return os.str();
+			else
+				os << "\\end{" << end << '}';
+		} else
+			os << t.asInput();
+	}
+	cerr << "unexpected end of input" << endl;
+	return os.str();
+}
+
+
 void Parser::tokenize_one()
 {
 	catInit();
diff --git a/src/tex2lyx/Parser.h b/src/tex2lyx/Parser.h
index 5e749e3019..2f4e26a587 100644
--- a/src/tex2lyx/Parser.h
+++ b/src/tex2lyx/Parser.h
@@ -196,6 +196,12 @@ public:
 	 * is parsed but not returned.
 	 */
 	std::string const verbatimEnvironment(std::string const & name);
+	/*
+	* The same as verbatimEnvironment(std::string const & name) but
+	* \begin and \end commands inside the name environment are not parsed.
+	* This function is designed to parse verbatim environments.
+	*/
+	std::string const plainEnvironment(std::string const & name);
 	/*!
 	 * Returns the character of the current token and increments
 	 * the token position.
diff --git a/src/tex2lyx/test/test-structure.tex b/src/tex2lyx/test/test-structure.tex
index ec61f6fc43..b487bf17b4 100644
--- a/src/tex2lyx/test/test-structure.tex
+++ b/src/tex2lyx/test/test-structure.tex
@@ -293,10 +293,11 @@ verbatim:
 verbat  im % $ 02/19/12
 hjkh
 jkh \ blah
-atesta
+\begin{centering}
 
 
 zzz
+\end{raggedleft}
 
 \end{verbatim}
 and bibliography:
diff --git a/src/tex2lyx/text.cpp b/src/tex2lyx/text.cpp
index 99db3eab11..e4c16027dc 100644
--- a/src/tex2lyx/text.cpp
+++ b/src/tex2lyx/text.cpp
@@ -1344,8 +1344,8 @@ void parse_environment(Parser & p, ostream & os, bool outer,
 	}
 
 	else if (name == "verbatim") {
-		os << "\n\\begin_layout Verbatim\n";
-		string const s = p.verbatimEnvironment("verbatim");
+		os << "\n\\end_layout\n\n\\begin_layout Verbatim\n";
+		string const s = p.plainEnvironment("verbatim");
 		string::const_iterator it2 = s.begin();
 		for (string::const_iterator it = s.begin(), et = s.end(); it != et; ++it) {
 			if (*it == '\\')