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authorMichael Krelin <hacker@klever.net>2008-02-02 10:50:48 (UTC)
committer Michael Krelin <hacker@klever.net>2008-02-02 10:50:48 (UTC)
commitb7ce9a84f0775eb24f0a27d3816bf57b774a2927 (patch) (side-by-side diff)
tree77d3bf4830e9d45824bc466c7e1b5279f3ff1111 /lib
parentf29ad6501686e5f43b536258b86d12683c711f02 (diff)
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added util::attr_escape
escaping string for inclusion into x(ht)ml attributes Signed-off-by: Michael Krelin <hacker@klever.net>
Diffstat (limited to 'lib') (more/less context) (ignore whitespace changes)
-rw-r--r--lib/util.cc19
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/util.cc b/lib/util.cc
index 54d6535..b7bc437 100644
--- a/lib/util.cc
+++ b/lib/util.cc
@@ -161,6 +161,25 @@ namespace opkele {
return rv;
}
+ string attr_escape(const string& str) {
+ static const char *unsafechars = "<>&\n\"'";
+ string rv;
+ string::size_type p=0;
+ while(true) {
+ string::size_type us = str.find_first_of(unsafechars,p);
+ if(us==string::npos) {
+ if(p!=str.length())
+ rv.append(str,p,str.length()-p);
+ return rv;
+ }
+ rv.append(str,p,us-p);
+ rv += "&#";
+ rv += long_to_string((long)str[us]);
+ rv += ';';
+ p = us+1;
+ }
+ }
+
string long_to_string(long l) {
char rv[32];
int r=snprintf(rv,sizeof(rv),"%ld",l);