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tex2lyx: honor grouping in optional arguments.

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E.g., \cite[{a literal ] character}]{key}

(cherry picked from commit cba38881d6)
This commit is contained in:
Juergen Spitzmueller 2018-03-09 13:14:13 +01:00
parent ce2e155490
commit 590185d3ef
1 changed files with 14 additions and 2 deletions
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16
src/tex2lyx/Parser.cpp
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@ -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();