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Split single headers, add test to make sure things compile

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This commit is contained in:
Krzosa Karol
2023-12-31 08:33:59 +01:00
parent 11e6559a3c
commit d050fbd388
20 changed files with 5569 additions and 5587 deletions
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226
unicode.h
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@@ -6,14 +6,6 @@ typedef struct UTF8_Result UTF8_Result;
typedef struct UTF16_Result UTF16_Result;
typedef struct UTF8_Iter UTF8_Iter;
#ifndef UTF_StaticFunc
#if defined(__GNUC__) || defined(__clang__)
#define UTF_StaticFunc __attribute__((unused)) static
#else
#define UTF_StaticFunc static
#endif
#endif
#ifndef UTF_API
#ifdef __cplusplus
#define UTF_API extern "C"
@@ -59,222 +51,4 @@ UTF_API UTF8_Iter UTF8_IterateEx(char *str, int len);
UTF_API UTF8_Iter UTF8_Iterate(char *str);
#define UTF8_For(name, str, len) for (UTF8_Iter name = UTF8_IterateEx(str, (int)len); name.item; UTF8_Advance(&name))
#endif // UTF_HEADER
#ifdef UTF_IMPLEMENTATION
UTF_StaticFunc int UTF__StringLength(char *string) {
int len = 0;
while (*string++ != 0)
len++;
return len;
}
UTF_StaticFunc void UTF__MemoryZero(void *p, size_t size) {
uint8_t *p8 = (uint8_t *)p;
while (size--) *p8++ = 0;
}
UTF_API UTF32_Result UTF_ConvertUTF16ToUTF32(uint16_t *c, int max_advance) {
UTF32_Result result;
UTF__MemoryZero(&result, sizeof(result));
if (max_advance >= 1) {
result.advance = 1;
result.out_str = c[0];
if (c[0] >= 0xD800 && c[0] <= 0xDBFF && c[1] >= 0xDC00 && c[1] <= 0xDFFF) {
if (max_advance >= 2) {
result.out_str = 0x10000;
result.out_str += (uint32_t)(c[0] & 0x03FF) << 10u | (c[1] & 0x03FF);
result.advance = 2;
}
else
result.error = 2;
}
}
else {
result.error = 1;
}
return result;
}
UTF_API UTF8_Result UTF_ConvertUTF32ToUTF8(uint32_t codepoint) {
UTF8_Result result;
UTF__MemoryZero(&result, sizeof(result));
if (codepoint <= 0x7F) {
result.len = 1;
result.out_str[0] = (char)codepoint;
}
else if (codepoint <= 0x7FF) {
result.len = 2;
result.out_str[0] = 0xc0 | (0x1f & (codepoint >> 6));
result.out_str[1] = 0x80 | (0x3f & codepoint);
}
else if (codepoint <= 0xFFFF) { // 16 bit word
result.len = 3;
result.out_str[0] = 0xe0 | (0xf & (codepoint >> 12)); // 4 bits
result.out_str[1] = 0x80 | (0x3f & (codepoint >> 6)); // 6 bits
result.out_str[2] = 0x80 | (0x3f & codepoint); // 6 bits
}
else if (codepoint <= 0x10FFFF) { // 21 bit word
result.len = 4;
result.out_str[0] = 0xf0 | (0x7 & (codepoint >> 18)); // 3 bits
result.out_str[1] = 0x80 | (0x3f & (codepoint >> 12)); // 6 bits
result.out_str[2] = 0x80 | (0x3f & (codepoint >> 6)); // 6 bits
result.out_str[3] = 0x80 | (0x3f & codepoint); // 6 bits
}
else {
result.error = 1;
}
return result;
}
UTF_API UTF32_Result UTF_ConvertUTF8ToUTF32(char *c, int max_advance) {
UTF32_Result result;
UTF__MemoryZero(&result, sizeof(result));
if ((c[0] & 0x80) == 0) { // Check if leftmost zero of first byte is unset
if (max_advance >= 1) {
result.out_str = c[0];
result.advance = 1;
}
else result.error = 1;
}
else if ((c[0] & 0xe0) == 0xc0) {
if ((c[1] & 0xc0) == 0x80) { // Continuation byte required
if (max_advance >= 2) {
result.out_str = (uint32_t)(c[0] & 0x1f) << 6u | (c[1] & 0x3f);
result.advance = 2;
}
else result.error = 2;
}
else result.error = 2;
}
else if ((c[0] & 0xf0) == 0xe0) {
if ((c[1] & 0xc0) == 0x80 && (c[2] & 0xc0) == 0x80) { // Two continuation bytes required
if (max_advance >= 3) {
result.out_str = (uint32_t)(c[0] & 0xf) << 12u | (uint32_t)(c[1] & 0x3f) << 6u | (c[2] & 0x3f);
result.advance = 3;
}
else result.error = 3;
}
else result.error = 3;
}
else if ((c[0] & 0xf8) == 0xf0) {
if ((c[1] & 0xc0) == 0x80 && (c[2] & 0xc0) == 0x80 && (c[3] & 0xc0) == 0x80) { // Three continuation bytes required
if (max_advance >= 4) {
result.out_str = (uint32_t)(c[0] & 0xf) << 18u | (uint32_t)(c[1] & 0x3f) << 12u | (uint32_t)(c[2] & 0x3f) << 6u | (uint32_t)(c[3] & 0x3f);
result.advance = 4;
}
else result.error = 4;
}
else result.error = 4;
}
else result.error = 4;
return result;
}
UTF_API UTF16_Result UTF_ConvertUTF32ToUTF16(uint32_t codepoint) {
UTF16_Result result;
UTF__MemoryZero(&result, sizeof(result));
if (codepoint < 0x10000) {
result.out_str[0] = (uint16_t)codepoint;
result.out_str[1] = 0;
result.len = 1;
}
else if (codepoint <= 0x10FFFF) {
uint32_t code = (codepoint - 0x10000);
result.out_str[0] = (uint16_t)(0xD800 | (code >> 10));
result.out_str[1] = (uint16_t)(0xDC00 | (code & 0x3FF));
result.len = 2;
}
else {
result.error = 1;
}
return result;
}
#define UTF__HANDLE_DECODE_ERROR(question_mark) \
{ \
if (outlen < buffer_size - 1) buffer[outlen++] = (question_mark); \
break; \
}
UTF_API int64_t UTF_CreateCharFromWidechar(char *buffer, int64_t buffer_size, wchar_t *in, int64_t inlen) {
int64_t outlen = 0;
for (int64_t i = 0; i < inlen && in[i];) {
UTF32_Result decode = UTF_ConvertUTF16ToUTF32((uint16_t *)(in + i), (int)(inlen - i));
if (!decode.error) {
i += decode.advance;
UTF8_Result encode = UTF_ConvertUTF32ToUTF8(decode.out_str);
if (!encode.error) {
for (int64_t j = 0; j < encode.len; j++) {
if (outlen < buffer_size - 1) {
buffer[outlen++] = encode.out_str[j];
}
}
}
else UTF__HANDLE_DECODE_ERROR('?');
}
else UTF__HANDLE_DECODE_ERROR('?');
}
buffer[outlen] = 0;
return outlen;
}
UTF_API int64_t UTF_CreateWidecharFromChar(wchar_t *buffer, int64_t buffer_size, char *in, int64_t inlen) {
int64_t outlen = 0;
for (int64_t i = 0; i < inlen;) {
UTF32_Result decode = UTF_ConvertUTF8ToUTF32(in + i, (int)(inlen - i));
if (!decode.error) {
i += decode.advance;
UTF16_Result encode = UTF_ConvertUTF32ToUTF16(decode.out_str);
if (!encode.error) {
for (int64_t j = 0; j < encode.len; j++) {
if (outlen < buffer_size - 1) {
buffer[outlen++] = encode.out_str[j];
}
}
}
else UTF__HANDLE_DECODE_ERROR(0x003f);
}
else UTF__HANDLE_DECODE_ERROR(0x003f);
}
buffer[outlen] = 0;
return outlen;
}
UTF_API void UTF8_Advance(UTF8_Iter *iter) {
iter->i += iter->utf8_codepoint_byte_size;
UTF32_Result r = UTF_ConvertUTF8ToUTF32(iter->str + iter->i, iter->len - iter->i);
if (r.error) {
iter->item = 0;
return;
}
iter->utf8_codepoint_byte_size = r.advance;
iter->item = r.out_str;
}
UTF_API UTF8_Iter UTF8_IterateEx(char *str, int len) {
UTF8_Iter result;
UTF__MemoryZero(&result, sizeof(result));
result.str = str;
result.len = len;
if (len) UTF8_Advance(&result);
return result;
}
UTF_API UTF8_Iter UTF8_Iterate(char *str) {
return UTF8_IterateEx(str, UTF__StringLength(str));
}
#endif // UTF_IMPLEMENTATION