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stdlib: Export some Unicode functions to other SDL internals.

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This commit is contained in:
Ryan C. Gordon
2024-04-04 00:56:07 -04:00
parent 9192485746
commit 810656962c
2 changed files with 40 additions and 4 deletions
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10
src/stdlib/SDL_string.c
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@@ -28,6 +28,8 @@
#include <psp2/kernel/clib.h>
#endif
#include "SDL_sysstdlib.h"
#include "SDL_casefolding.h"
// this is the Unicode REPLACEMENT CHARACTER, used for invalid codepoint values.
@@ -44,7 +46,7 @@ SDL_COMPILE_TIME_ASSERT(sizeof_wchar_t, sizeof(wchar_t) == SDL_SIZEOF_WCHAR_T);
// this expects `from` and `to` to be UTF-32 encoding!
static int SDL_UnicodeCaseFold(const Uint32 from, Uint32 *to)
int SDL_CaseFoldUnicode(const Uint32 from, Uint32 *to)
{
// !!! FIXME: since the hashtable is static, maybe we should binary
// !!! FIXME: search it instead of walking the whole bucket.
@@ -127,7 +129,7 @@ static int SDL_UnicodeCaseFold(const Uint32 from, Uint32 *to)
cp1 = folded1[tail1++]; \
} else { \
const Uint##bits *str1start = (const Uint##bits *) str1; \
head1 = SDL_UnicodeCaseFold(SDL_StepUTF##bits(&str1, slen1), folded1); \
head1 = SDL_CaseFoldUnicode(SDL_StepUTF##bits(&str1, slen1), folded1); \
update_slen1; \
cp1 = folded1[0]; \
tail1 = 1; \
@@ -136,7 +138,7 @@ static int SDL_UnicodeCaseFold(const Uint32 from, Uint32 *to)
cp2 = folded2[tail2++]; \
} else { \
const Uint##bits *str2start = (const Uint##bits *) str2; \
head2 = SDL_UnicodeCaseFold(SDL_StepUTF##bits(&str2, slen2), folded2); \
head2 = SDL_CaseFoldUnicode(SDL_StepUTF##bits(&str2, slen2), folded2); \
update_slen2; \
cp2 = folded2[0]; \
tail2 = 1; \
@@ -152,7 +154,7 @@ static int SDL_UnicodeCaseFold(const Uint32 from, Uint32 *to)
return 0
static Uint32 SDL_StepUTF8(const char **_str, const size_t slen)
Uint32 SDL_StepUTF8(const char **_str, const size_t slen)
{
const char *str = *_str;
const Uint32 octet = (Uint32) (slen ? ((Uint8) *str) : 0);