author | Michael Krelin <hacker@klever.net> | 2008-02-02 10:50:48 (UTC) |
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committer | Michael Krelin <hacker@klever.net> | 2008-02-02 10:50:48 (UTC) |
commit | b7ce9a84f0775eb24f0a27d3816bf57b774a2927 (patch) (unidiff) | |
tree | 77d3bf4830e9d45824bc466c7e1b5279f3ff1111 /lib | |
parent | f29ad6501686e5f43b536258b86d12683c711f02 (diff) | |
download | libopkele-b7ce9a84f0775eb24f0a27d3816bf57b774a2927.zip libopkele-b7ce9a84f0775eb24f0a27d3816bf57b774a2927.tar.gz libopkele-b7ce9a84f0775eb24f0a27d3816bf57b774a2927.tar.bz2 |
added util::attr_escape
escaping string for inclusion into x(ht)ml attributes
Signed-off-by: Michael Krelin <hacker@klever.net>
-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 | |||
@@ -156,16 +156,35 @@ namespace opkele { | |||
156 | char * t = curl_escape(str.c_str(),str.length()); | 156 | char * t = curl_escape(str.c_str(),str.length()); |
157 | if(!t) | 157 | if(!t) |
158 | throw failed_conversion(OPKELE_CP_ "failed to curl_escape()"); | 158 | throw failed_conversion(OPKELE_CP_ "failed to curl_escape()"); |
159 | string rv(t); | 159 | string rv(t); |
160 | curl_free(t); | 160 | curl_free(t); |
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); |
167 | if(r<0 || r>=(int)sizeof(rv)) | 186 | if(r<0 || r>=(int)sizeof(rv)) |
168 | throw failed_conversion(OPKELE_CP_ "failed to snprintf()"); | 187 | throw failed_conversion(OPKELE_CP_ "failed to snprintf()"); |
169 | return rv; | 188 | return rv; |
170 | } | 189 | } |
171 | 190 | ||