From 440a529701a8a838cab57d41d97b9c0bfad0d43d Mon Sep 17 00:00:00 2001 From: rubidium Date: Sun, 5 Dec 2010 22:17:25 +0000 Subject: [PATCH] (svn r21404) -Add: method for getting the length of an Utf8 string in characters --- src/string.cpp | 15 +++++++++++++++ src/string_func.h | 2 ++ 2 files changed, 17 insertions(+) diff --git a/src/string.cpp b/src/string.cpp index c3d6f5bc07..9d75e5c651 100644 --- a/src/string.cpp +++ b/src/string.cpp @@ -215,6 +215,21 @@ void str_strip_colours(char *str) *dst = '\0'; } +/** + * Get the length of an UTF-8 encoded string in number of characters + * and thus not the number of bytes that the encoded string contains. + * @param s The string to get the length for. + * @return The length of the string in characters. + */ +size_t Utf8StringLength(const char *s) +{ + size_t len = 0; + const char *t = s; + while (Utf8Consume(&t) != 0) len++; + return len; +} + + /** * Convert a given ASCII string to lowercase. * NOTE: only support ASCII characters, no UTF8 fancy. As currently diff --git a/src/string_func.h b/src/string_func.h index fd79d6bea7..fe3d169719 100644 --- a/src/string_func.h +++ b/src/string_func.h @@ -233,6 +233,8 @@ static inline char *Utf8PrevChar(char *s) return ret; } +size_t Utf8StringLength(const char *s); + /** * Is the given character a text direction character. * @param c The character to test.