Restructuring

standalone_libraries/unicode.h

@@ -0,0 +1,52 @@
+#pragma once
+#include <stdint.h>
+typedef struct UTF32_Result UTF32_Result;
+typedef struct UTF8_Result UTF8_Result;
+typedef struct UTF16_Result UTF16_Result;
+typedef struct UTF8_Iter UTF8_Iter;
+
+#ifndef UTF_API
+    #ifdef __cplusplus
+        #define UTF_API extern "C"
+    #else
+        #define UTF_API
+    #endif
+#endif
+
+struct UTF32_Result {
+    uint32_t out_str;
+    int advance;
+    int error;
+};
+
+struct UTF8_Result {
+    uint8_t out_str[4];
+    int len;
+    int error;
+};
+
+struct UTF16_Result {
+    uint16_t out_str[2];
+    int len;
+    int error;
+};
+
+struct UTF8_Iter {
+    char *str;
+    int len;
+    int utf8_codepoint_byte_size;
+    int i;
+    uint32_t item;
+};
+
+UTF_API UTF32_Result UTF_ConvertUTF16ToUTF32(uint16_t *c, int max_advance);
+UTF_API UTF8_Result UTF_ConvertUTF32ToUTF8(uint32_t codepoint);
+UTF_API UTF32_Result UTF_ConvertUTF8ToUTF32(char *c, int max_advance);
+UTF_API UTF16_Result UTF_ConvertUTF32ToUTF16(uint32_t codepoint);
+UTF_API int64_t UTF_CreateCharFromWidechar(char *buffer, int64_t buffer_size, wchar_t *in, int64_t inlen);
+UTF_API int64_t UTF_CreateWidecharFromChar(wchar_t *buffer, int64_t buffer_size, char *in, int64_t inlen);
+UTF_API void UTF8_Advance(UTF8_Iter *iter);
+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))