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(svn r7199) -Codechange: [utf8] Make strtolower and str_strip_colours UTF8 aware.

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Darkvater 2006-11-17 23:29:22 +00:00
parent 392fc3a45b
commit 20cf41522e
1 changed files with 40 additions and 13 deletions
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53
string.c
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@ -8,7 +8,8 @@
#include "table/control_codes.h" #include "table/control_codes.h"
#include <stdarg.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) void ttd_strlcat(char *dst, const char *src, size_t size)
{ {
@ -68,13 +69,14 @@ char* CDECL str_fmt(const char* str, ...)
return p; return p;
} }
void str_validate(char *str) void str_validate(char *str)
{ {
char *dst = str; char *dst = str;
WChar c; 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 || if (IsPrintable(c) && (c < SCC_SPRITE_START || c > SCC_SPRITE_END ||
IsValidChar(c - SCC_SPRITE_START, CS_ALPHANUMERAL))) { IsValidChar(c - SCC_SPRITE_START, CS_ALPHANUMERAL))) {
/* Copy the character back. Even if dst is current the same as str /* 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 */ * moving the pointers ahead by len */
do { do {
*dst++ = *str++; *dst++ = *str++;
} while (--len); } while (--len != 0);
} else { } else {
/* Replace the undesirable character with a question mark */ /* Replace the undesirable character with a question mark */
str += len; str += len;
@ -93,19 +95,49 @@ void str_validate(char *str)
*dst = '\0'; *dst = '\0';
} }
void str_strip_colours(char *str) void str_strip_colours(char *str)
{ {
char *dst = str; char *dst = str;
for (; *str != '\0';) { WChar c;
if (*str >= 15 && *str <= 31) { // magic colour codes size_t len;
str++;
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 { } else {
*dst++ = *str++; /* Just skip (strip) the colour codes */
str += len;
} }
} }
*dst = '\0'; *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 * 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. * sure no invalid keys can get into an editbox, like BELL.
@ -124,11 +156,6 @@ bool IsValidChar(WChar key, CharSetFilter afilter)
return false; return false;
} }
void strtolower(char *str)
{
for (; *str != '\0'; str++) *str = tolower(*str);
}
#ifdef WIN32 #ifdef WIN32
int CDECL snprintf(char *str, size_t size, const char *format, ...) int CDECL snprintf(char *str, size_t size, const char *format, ...)
{ {