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-rw-r--r--string.c53
1 files changed, 40 insertions, 13 deletions
diff --git a/string.c b/string.c
index 865aa1ff9..b38c83ad6 100644
--- a/string.c
+++ b/string.c
@@ -8,7 +8,8 @@
#include "table/control_codes.h"
#include <stdarg.h>
-#include <ctype.h> // required for tolower()
+#include <wctype.h> // required for towlower()
+#include <locale.h> // required for setlocale()
void ttd_strlcat(char *dst, const char *src, size_t size)
{
@@ -68,13 +69,14 @@ char* CDECL str_fmt(const char* str, ...)
return p;
}
+
void str_validate(char *str)
{
char *dst = str;
WChar c;
- size_t len = Utf8Decode(&c, str);
+ size_t len;
- for (; c != '\0'; len = Utf8Decode(&c, str)) {
+ for (len = Utf8Decode(&c, str); c != '\0'; len = Utf8Decode(&c, str)) {
if (IsPrintable(c) && (c < SCC_SPRITE_START || c > SCC_SPRITE_END ||
IsValidChar(c - SCC_SPRITE_START, CS_ALPHANUMERAL))) {
/* Copy the character back. Even if dst is current the same as str
@@ -82,7 +84,7 @@ void str_validate(char *str)
* moving the pointers ahead by len */
do {
*dst++ = *str++;
- } while (--len);
+ } while (--len != 0);
} else {
/* Replace the undesirable character with a question mark */
str += len;
@@ -93,19 +95,49 @@ void str_validate(char *str)
*dst = '\0';
}
+
void str_strip_colours(char *str)
{
char *dst = str;
- for (; *str != '\0';) {
- if (*str >= 15 && *str <= 31) { // magic colour codes
- str++;
+ WChar c;
+ size_t len;
+
+ strtolower(str);
+ for (len = Utf8Decode(&c, str); c != '\0'; len = Utf8Decode(&c, str)) {
+ if (c < SCC_BLUE || c > SCC_BLACK) {
+ /* Copy the character back. Even if dst is current the same as str
+ * (i.e. no characters have been changed) this is quicker than
+ * moving the pointers ahead by len */
+ do {
+ *dst++ = *str++;
+ } while (--len != 0);
} else {
- *dst++ = *str++;
+ /* Just skip (strip) the colour codes */
+ str += len;
}
}
*dst = '\0';
}
+
+void strtolower(char *str)
+{
+ WChar c;
+ /* Convert according to native locale, needed for unicode characters
+ * We backup the current locale, then set it to native "", the set back */
+ char *locale = strdup(setlocale(LC_CTYPE, NULL));
+
+ setlocale(LC_CTYPE, "");
+ for (Utf8Decode(&c, str); c != '\0'; Utf8Decode(&c, str)) {
+ /* XXX - assume lowercase version does not use more bytes */
+ c = towlower(c);
+ str += Utf8Encode(str, c);
+ }
+ setlocale(LC_CTYPE, locale);
+ free(locale);
+}
+
+
/**
* Only allow certain keys. You can define the filter to be used. This makes
* sure no invalid keys can get into an editbox, like BELL.
@@ -124,11 +156,6 @@ bool IsValidChar(WChar key, CharSetFilter afilter)
return false;
}
-void strtolower(char *str)
-{
- for (; *str != '\0'; str++) *str = tolower(*str);
-}
-
#ifdef WIN32
int CDECL snprintf(char *str, size_t size, const char *format, ...)
{