X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Ftex2lyx%2FParser.cpp;h=a538c760efe2ac8f83002cd2a581544bf5c8cfe4;hb=a2b21e3cd4bbfd42e59161143eba6e7681aaa93f;hp=ec63b77da83e7c063724746427fa64be8c0c127e;hpb=e30f3d76d2bee0011ceaeb5f0cc221156458cbad;p=lyx.git

diff --git a/src/tex2lyx/Parser.cpp b/src/tex2lyx/Parser.cpp
index ec63b77da8..a538c760ef 100644
--- a/src/tex2lyx/Parser.cpp
+++ b/src/tex2lyx/Parser.cpp
@@ -453,7 +453,7 @@ bool Parser::good()
 }
 
 
-bool Parser::hasOpt()
+bool Parser::hasOpt(string const l)
 {
 	// An optional argument can occur in any of the following forms:
 	// - \foo[bar]
@@ -479,7 +479,7 @@ bool Parser::hasOpt()
 		putback();
 		break;
 	}
-	bool const retval = (next_token().asInput() == "[");
+	bool const retval = (next_token().asInput() == l);
 	pos_ = oldpos;
 	return retval;
 }
@@ -494,6 +494,7 @@ Parser::Arg Parser::getFullArg(char left, char right, bool allow_escaping)
 	if (! good())
 		return make_pair(false, string());
 
+	int group_level = 0;
 	string result;
 	Token t = get_token();
 
@@ -504,6 +505,15 @@ Parser::Arg Parser::getFullArg(char left, char right, bool allow_escaping)
 	} else {
 		while (good()) {
 			t = get_token();
+			// honor grouping
+			if (left != '{' && t.cat() == catBegin) {
+				++group_level;
+				continue;
+			}
+			if (left != '{' && t.cat() == catEnd) {
+				--group_level;
+				continue;
+			}
 			// Ignore comments
 			if (t.cat() == catComment) {
 				if (!t.cs().empty())
@@ -511,13 +521,15 @@ Parser::Arg Parser::getFullArg(char left, char right, bool allow_escaping)
 				continue;
 			}
 			if (allow_escaping) {
-				if (t.cat() != catEscape && t.character() == right)
+				if (t.cat() != catEscape && t.character() == right
+				    && group_level == 0)
 					break;
 			} else {
 				if (t.character() == right) {
 					if (t.cat() == catEscape)
 						result += '\\';
-					break;
+					if (group_level == 0)
+						break;
 				}
 			}
 			result += t.asInput();
@@ -533,11 +545,11 @@ string Parser::getArg(char left, char right, bool allow_escaping)
 }
 
 
-string Parser::getFullOpt(bool keepws)
+string Parser::getFullOpt(bool keepws, char left, char right)
 {
-	Arg arg = getFullArg('[', ']');
+	Arg arg = getFullArg(left, right);
 	if (arg.first)
-		return '[' + arg.second + ']';
+		return left + arg.second + right;
 	if (keepws)
 		unskip_spaces(true);
 	return string();
@@ -565,6 +577,26 @@ string Parser::getFullParentheseArg()
 }
 
 
+bool Parser::hasListPreamble(string const itemcmd)
+{
+	// remember current position
+	unsigned int oldpos = pos_;
+	// jump over arguments
+	if (hasOpt())
+		getOpt();
+	if (hasOpt("{"))
+		getArg('{', '}');
+	// and swallow spaces and comments
+	skip_spaces(true);
+	// we have a list preamble if the next thing
+	// that follows is not the \item command
+	bool res =  next_token().cs() != itemcmd;
+	// back to orig position
+	pos_ = oldpos;
+	return res;
+}
+
+
 string const Parser::ertEnvironment(string const & name)
 {
 	if (!good())
@@ -638,6 +670,27 @@ string const Parser::plainCommand(char left, char right, string const & name)
 }
 
 
+string const Parser::getCommandLatexParam()
+{
+	if (!good())
+		return string();
+	string res;
+	size_t offset = 0;
+	while (true) {
+		if (pos_ + offset >= tokens_.size())
+			tokenize_one();
+		if (pos_ + offset >= tokens_.size())
+			break;
+		Token t = tokens_[pos_ + offset];
+		if (t.cat() == catBegin)
+			break;
+		res += t.asInput();
+		++offset;
+	}
+	return res;
+}
+
+
 Parser::Arg Parser::verbatimStuff(string const & end_string, bool const allow_linebreak)
 {
 	if (!good())
@@ -720,7 +773,7 @@ string Parser::verbatim_item()
 	if (next_token().cat() == catBegin) {
 		Token t = get_token(); // skip brace
 		string res;
-		for (Token t = get_token(); t.cat() != catEnd && good(); t = get_token()) {
+		for (t = get_token(); t.cat() != catEnd && good(); t = get_token()) {
 			if (t.cat() == catBegin) {
 				putback();
 				res += '{' + verbatim_item() + '}';