1 files changed, 89 insertions, 0 deletions
diff --git a/Source/Library/Common/WChar.class.h b/Source/Library/Common/WChar.class.h
new file mode 100644
index 0000000..3eca3d3
--- /dev/null
+++ b/Source/Library/Common/WChar.class.h
@@ -0,0 +1,89 @@
+#ifndef DEF_UCHAR_CLASS_H
+#define DEF_UCHAR_CLASS_H
+
+#include <types.h>
+
+#ifndef THIS_IS_NOT_MELON
+#include <common.h>
+#endif
+
+enum {
+	UE_UTF8,
+	UE_UTF16,
+	UE_UTF32,
+};
+
+union uchar_repr_t {
+	char c[4];
+	u32int i;
+};
+
+struct WChar {
+	u32int value;
+	static WChar CP437[];		//Codepage 437, used for conversion from/to ascii
+
+	WChar();		//Creates a null character
+	WChar(char c);	//From ascii character
+	WChar(const char* c, u8int encoding = UE_UTF8);	//From utf8 string
+
+	static u32int ucharLen(const char* c, u8int encoding = UE_UTF8);	//Returns count of bytes in one unicode character
+	static u32int utfLen(const char* c, u8int encoding = UE_UTF8);	//Returns count of utf8 characters in string
+
+	void affectAscii(char c);
+	u32int affectUtf8(const char* c);
+	u32int affectUtf16(const char* c);
+	u32int affectUtf32(const char* c);
+
+	u32int affect(const char* c, u8int encoding = UE_UTF8) {
+		if (encoding == UE_UTF8) return affectUtf8(c);
+		if (encoding == UE_UTF16) return affectUtf16(c);
+		if (encoding == UE_UTF32) return affectUtf32(c);
+		affectAscii(c[0]);	//Default case :/
+		return 1;
+	}
+
+	u8int toAscii();
+
+	uchar_repr_t toUtf8();
+	uchar_repr_t toUtf16();
+	uchar_repr_t toUtf32();
+
+	uchar_repr_t encode(u8int encoding = UE_UTF8) {
+		if (encoding == UE_UTF8) return toUtf8();
+		//if (encoding == UE_UTF16) return toUtf16();
+		if (encoding == UE_UTF32) return toUtf32();
+		uchar_repr_t x;
+		x.c[0] = toAscii();
+		return x;
+	}
+
+	inline WChar operator+ (u32int other) {
+		WChar r;
+		r.value = value + other;
+		return r;
+	}
+	inline WChar operator- (u32int other) {
+		WChar r;
+		r.value = value - other;
+		return r;
+	}
+	inline WChar& operator+= (u32int other) {
+		value += other;
+		return *this;
+	}
+	inline WChar& operator-= (u32int other) {
+		value -= other;
+		return *this;
+	}
+	inline bool operator== (u32int other) {
+		return value == other;
+	}
+	inline u32int operator= (u32int v) {
+		value = v;
+		return v;
+	}
+
+	inline operator u32int () { return value; }
+};
+
+#endif