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minify escaped dollar

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This commit is contained in:
zawwz 2021-10-28 13:33:46 +02:00
parent 0b46581b22
commit cdf4ca5b85
1 changed files with 24 additions and 0 deletions
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24
src/minify.cpp
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@ -276,6 +276,26 @@ void do_minify_quotes(arg* in)
}
void do_minify_dollar(string_subarg* in)
{
std::string& val = in->val;
for(uint32_t i=0; i<val.size(); i++) {
// skip singlequote strings
if(val[i] == '\'') {
i++;
while(val[i] != '\'')
i++;
}
// has \$
if(i+1<val.size() && val[i] == '\\' && val[i+1] == '$') {
// char after $ is a varname
if(i+2<val.size() && (is_varname(val[i+2]) || is_in(val[i+2], SPECIAL_VARS)) )
continue;
val.erase(i, 1);
}
}
}
bool r_minify_useless_quotes(_obj* in)
{
switch(in->type)
@ -284,6 +304,10 @@ bool r_minify_useless_quotes(_obj* in)
arg* t = dynamic_cast<arg*>(in);
do_minify_quotes(t);
}; break;
case _obj::subarg_string: {
string_subarg* t = dynamic_cast<string_subarg*>(in);
do_minify_dollar(t);
}; break;
case _obj::_redirect: {
// for redirects: don't minify quotes on here documents
redirect* t = dynamic_cast<redirect*>(in);