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-rw-r--r--include/opkele/util.h7
-rw-r--r--lib/util.cc19
2 files changed, 26 insertions, 0 deletions
diff --git a/include/opkele/util.h b/include/opkele/util.h
index 6f3ddf6..719f951 100644
--- a/include/opkele/util.h
+++ b/include/opkele/util.h
@@ -101,4 +101,11 @@ namespace opkele {
101 101
102 /** 102 /**
103 * Make string suitable for using as x(ht)ml attribute.
104 * @param str string to escape
105 * @return escaped string
106 */
107 string attr_escape(const string& str);
108
109 /**
103 * Convert number to string 110 * Convert number to string
104 * @param l number 111 * @param l number
diff --git a/lib/util.cc b/lib/util.cc
index 54d6535..b7bc437 100644
--- a/lib/util.cc
+++ b/lib/util.cc
@@ -162,4 +162,23 @@ namespace opkele {
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];