-rw-r--r-- | lib/util.cc | 19 |
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 { | |||
161 | return rv; | 161 | return rv; |
162 | } | 162 | } |
163 | 163 | ||
164 | string attr_escape(const string& str) { | ||
165 | static const char *unsafechars = "<>&\n\"'"; | ||
166 | string rv; | ||
167 | string::size_type p=0; | ||
168 | while(true) { | ||
169 | string::size_type us = str.find_first_of(unsafechars,p); | ||
170 | if(us==string::npos) { | ||
171 | if(p!=str.length()) | ||
172 | rv.append(str,p,str.length()-p); | ||
173 | return rv; | ||
174 | } | ||
175 | rv.append(str,p,us-p); | ||
176 | rv += "&#"; | ||
177 | rv += long_to_string((long)str[us]); | ||
178 | rv += ';'; | ||
179 | p = us+1; | ||
180 | } | ||
181 | } | ||
182 | |||
164 | string long_to_string(long l) { | 183 | string long_to_string(long l) { |
165 | char rv[32]; | 184 | char rv[32]; |
166 | int r=snprintf(rv,sizeof(rv),"%ld",l); | 185 | int r=snprintf(rv,sizeof(rv),"%ld",l); |