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-rw-r--r--code/fe310/eos/eve/Makefile2
-rw-r--r--code/fe310/eos/eve/unicode.c180
-rw-r--r--code/fe310/eos/eve/unicode.h17
3 files changed, 1 insertions, 198 deletions
diff --git a/code/fe310/eos/eve/Makefile b/code/fe310/eos/eve/Makefile
index 3355dd5..0a737cc 100644
--- a/code/fe310/eos/eve/Makefile
+++ b/code/fe310/eos/eve/Makefile
@@ -2,7 +2,7 @@ include ../../common.mk
CFLAGS += -I.. -I../../include
-obj = eve.o eve_touch.o eve_track.o eve_kbd.o eve_text.o eve_platform.o unicode.o
+obj = eve.o eve_touch.o eve_track.o eve_kbd.o eve_text.o eve_platform.o
%.o: %.c %.h
diff --git a/code/fe310/eos/eve/unicode.c b/code/fe310/eos/eve/unicode.c
deleted file mode 100644
index 2915791..0000000
--- a/code/fe310/eos/eve/unicode.c
+++ /dev/null
@@ -1,180 +0,0 @@
-#include "unicode.h"
-
-int utf8_enc(utf32_t ch, utf8_t *str) {
- if (ch <= 0x7f) {
- str[0] = ch;
- return 1;
- } else if (ch <= 0x7ff) {
- str[0] = 0xc0 | (ch >> 6);
- str[1] = 0x80 | (ch & 0x3f);
- return 2;
- } else if (ch <= 0xffff) {
- if ((ch >= 0xd800) && (ch <= 0xdfff)) return UTF_ERR;
- str[0] = 0xe0 | (ch >> 12);
- str[1] = 0x80 | ((ch >> 6) & 0x3f);
- str[2] = 0x80 | (ch & 0x3f);
- return 3;
- } else if (ch <= 0x10ffff) {
- str[0] = 0xf0 | (ch >> 18);
- str[1] = 0x80 | ((ch >> 12) & 0x3f);
- str[2] = 0x80 | ((ch >> 6) & 0x3f);
- str[3] = 0x80 | (ch & 0x3f);
- return 4;
- } else {
- return UTF_ERR;
- }
-}
-
-int utf8_dec(utf8_t *str, utf32_t *ch) {
- if ((str[0] & 0x80) == 0x00) {
- *ch = str[0];
- return 1;
- } else if ((str[0] & 0xe0) == 0xc0) {
- if ((str[1] & 0xc0) != 0x80) return UTF_ERR;
- *ch = (utf32_t)(str[0] & 0x1f) << 6;
- *ch |= (utf32_t)(str[1] & 0x3f);
- if (*ch < 0x80) return UTF_ERR;
- return 2;
- } else if ((str[0] & 0xf0) == 0xe0) {
- if (((str[1] & 0xc0) != 0x80) || ((str[2] & 0xc0) != 0x80)) return UTF_ERR;
- *ch = (utf32_t)(str[0] & 0x0f) << 12;
- *ch |= (utf32_t)(str[1] & 0x3f) << 6;
- *ch |= (utf32_t)(str[2] & 0x3f);
- if ((*ch >= 0xd800) && (*ch <= 0xdfff)) return UTF_ERR;
- if (*ch < 0x800) return UTF_ERR;
- return 3;
- } else if ((str[0] & 0xf8) == 0xf0) {
- if (((str[1] & 0xc0) != 0x80) || ((str[2] & 0xc0) != 0x80) || ((str[3] & 0xc0) != 0x80)) return UTF_ERR;
- *ch = (utf32_t)(str[0] & 0x07) << 18;
- *ch |= (utf32_t)(str[1] & 0x0f) << 12;
- *ch |= (utf32_t)(str[2] & 0x3f) << 6;
- *ch |= (utf32_t)(str[3] & 0x3f);
- if (*ch < 0x010000) return UTF_ERR;
- if (*ch > 0x10ffff) return UTF_ERR;
- return 4;
- } else {
- return UTF_ERR;
- }
-}
-
-int utf8_seek(utf8_t *str, int off, utf32_t *ch) {
- int i;
- int len = 0;
-
- if (off < 0) {
- off = -off;
- for (i=0; i<off; i++) {
- len--;
- while ((str[len] & 0xc0) == 0x80) len--;
- }
- } else {
- for (i=0; i<off; i++) {
- if ((str[len] & 0x80) == 0x00) {
- len += 1;
- } else if ((str[0] & 0xe0) == 0xc0) {
- len += 2;
- } else if ((str[0] & 0xf0) == 0xe0) {
- len += 3;
- } else if ((str[0] & 0xf8) == 0xf0) {
- len += 4;
- }
- }
- }
- utf8_dec(str + len, ch);
- return len;
-}
-
-int utf8_verify(utf8_t *str, int str_size, int *str_len) {
- utf32_t ch;
- uint8_t ch_l;
- int len = 0;
-
- while (len < str_size) {
- if (str_size - len < 4) {
- if (((str[len] & 0xf8) == 0xf0) ||
- (((str[len] & 0xf0) == 0xe0) && (str_size - len < 3)) ||
- (((str[len] & 0xe0) == 0xc0) && (str_size - len < 2))) {
- break;
- }
- }
- ch_l = utf8_dec(str + len, &ch);
- if (ch_l > 0) {
- if (ch == 0) {
- *str_len = len;
- return UTF_OK;
- }
- len += ch_l;
- } else {
- break;
- }
- }
- *str_len = len;
- return UTF_ERR;
-}
-
-int utf16_enc(utf32_t ch, uint8_t *str) {
- if (ch <= 0xffff) {
- if ((ch >= 0xd800) && (ch <= 0xdfff)) return UTF_ERR;
- str[0] = ch >> 8;
- str[1] = ch & 0xff;
- return 2;
- } else if (ch <= 0x10ffff) {
- uint16_t hi;
- uint16_t lo;
-
- ch -= 0x10000;
- hi = (ch >> 10) + 0xd800;
- lo = (ch & 0x3ff) + 0xdc00;
- str[0] = hi >> 8;
- str[1] = hi & 0xff;
- str[2] = lo >> 8;
- str[3] = lo & 0xff;
- return 4;
- } else {
- return UTF_ERR;
- }
-}
-
-int utf16_dec(uint8_t *str, utf32_t *ch) {
- *ch = (str[0] << 8) | str[1];
- if ((*ch >= 0xd800) && (*ch <= 0xdfff)) {
- uint16_t hi = *ch;
- uint16_t lo;
-
- if (hi > 0xdbff) return UTF_ERR;
- lo = (str[2] << 8) | str[3];
- if ((lo < 0xdc00) || (lo > 0xdfff)) return UTF_ERR;
- *ch = (((hi - 0xd800) << 10) | (lo - 0xdc00)) + 0x10000;
- return 4;
- } else {
- return 2;
- }
-}
-
-int utf16_seek(uint8_t *str, int off, utf32_t *ch) {
- int i;
- int len = 0;
- uint16_t cu;
-
- if (off < 0) {
- off = -off;
- for (i=0; i<off; i++) {
- len -= 2;
- cu = (str[len] << 8) | str[len + 1];
- if ((cu >= 0xdc00) && (cu <= 0xdfff)) {
- len -= 2;
- }
- }
- } else {
- for (i=0; i<off; i++) {
- cu = (str[len] << 8) | str[len + 1];
- if ((cu >= 0xd800) && (cu <= 0xdbff)) {
- len += 4;
- } else {
- len += 2;
- }
- }
- }
- utf16_dec(str + len, ch);
- return len;
-}
diff --git a/code/fe310/eos/eve/unicode.h b/code/fe310/eos/eve/unicode.h
deleted file mode 100644
index a3b9696..0000000
--- a/code/fe310/eos/eve/unicode.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#include <stdint.h>
-
-#define UTF_OK 0
-#define UTF_ERR -1
-
-typedef uint8_t utf8_t;
-typedef uint16_t utf16_t;
-typedef uint32_t utf32_t;
-
-int utf8_enc(utf32_t ch, utf8_t *str);
-int utf8_dec(utf8_t *str, utf32_t *ch);
-int utf8_seek(utf8_t *str, int off, utf32_t *ch);
-int utf8_verify(utf8_t *str, int str_size, int *str_len);
-
-int utf16_enc(utf32_t ch, uint8_t *str);
-int utf16_dec(uint8_t *str, utf32_t *ch);
-int utf16_seek(uint8_t *str, int off, utf32_t *ch);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 19:20:21 +0000