Move <dns:timeout> out of the core.

[user/henk/code/inspircd.git] / include / stdalgo.h

diff --git a/include/stdalgo.h b/include/stdalgo.h
index 3e00a4cdcd93030cdb2d3c56e1b48dac24599261..f4465963a65f5bd0884831d647ca5f4ffea65799 100644 (file)
--- a/include/stdalgo.h
+++ b/include/stdalgo.h
@@ -64,6 +64,73 @@ namespace stdalgo
                }
        }
 
+       namespace string
+       {
+               /** Get underlying C string of the string passed as parameter. Useful in template functions.
+                * @param str C string
+                * @return Same as input
+                */
+               inline const char* tocstr(const char* str)
+               {
+                       return str;
+               }
+
+               /** Get underlying C string of the string passed as parameter. Useful in template functions.
+                * @param str std::string object
+                * @return str.c_str()
+                */
+               inline const char* tocstr(const std::string& str)
+               {
+                       return str.c_str();
+               }
+
+               /** Check if two strings are equal case insensitively.
+                * @param str1 First string to compare.
+                * @param str2 Second string to compare.
+                * @return True if the strings are equal case-insensitively, false otherwise.
+                */
+               template <typename S1, typename S2>
+               inline bool equalsci(const S1& str1, const S2& str2)
+               {
+                       return (!strcasecmp(tocstr(str1), tocstr(str2)));
+               }
+
+               /** Replace first occurrence of a substring ('target') in a string ('str') with another string ('replacement').
+                * @param str String to perform replacement in
+                * @param target String to replace
+                * @param replacement String to put in place of 'target'
+                * @return True if 'target' was replaced with 'replacement', false if it was not found in 'str'.
+                */
+               template<typename CharT, typename Traits, typename Alloc>
+               inline bool replace(std::basic_string<CharT, Traits, Alloc>& str, const std::basic_string<CharT, Traits, Alloc>& target, const std::basic_string<CharT, Traits, Alloc>& replacement)
+               {
+                       const typename std::basic_string<CharT, Traits, Alloc>::size_type p = str.find(target);
+                       if (p == std::basic_string<CharT, Traits, Alloc>::npos)
+                               return false;
+                       str.replace(p, target.size(), replacement);
+                       return true;
+               }
+
+               /** Replace all occurrences of a string ('target') in a string ('str') with another string ('replacement').
+                * @param str String to perform replacement in
+                * @param target String to replace
+                * @param replacement String to put in place of 'target'
+                */
+               template<typename CharT, typename Traits, typename Alloc>
+               inline void replace_all(std::basic_string<CharT, Traits, Alloc>& str, const std::basic_string<CharT, Traits, Alloc>& target, const std::basic_string<CharT, Traits, Alloc>& replacement)
+               {
+                       if (target.empty())
+                               return;
+
+                       typename std::basic_string<CharT, Traits, Alloc>::size_type p = 0;
+                       while ((p = str.find(target, p)) != std::basic_string<CharT, Traits, Alloc>::npos)
+                       {
+                               str.replace(p, target.size(), replacement);
+                               p += replacement.size();
+                       }
+               }
+       }
+
        /**
         * Deleter that uses operator delete to delete the item
         */