Added a string class to be able to easily print unicode strings

kernel/hal/x86/include/textDISP.hpp

@@ -4,6 +4,7 @@
 #include <stdint.h>
 #include <output.hpp>
 #include <multiboot.h>
+#include <string.hpp>
 #define SCREEN_WIDTH 64
 #define SCREEN_HEIGHT 48
 namespace MTGosHAL {
@@ -52,7 +53,9 @@ namespace MTGosHAL {
 			auto putChar(char c) -> void;
 			int base;
 		public:
+			auto putChar(unsigned short c) -> void;
 			auto puts(const char *s) -> void;
+			auto puts(String &) -> void;
 			Screen(): fg(FG_color::WHITE), bg(BG_color::BLACK), base(10) {
 			}
 			Screen(struct multiboot_info* mb_info): Screen() {init(mb_info);}

kernel/hal/x86/init/init.cpp

@@ -82,7 +82,8 @@ namespace MTGosHAL {
     uint8_t buf[512];
     disk.readSector(disk.getDriveNumByName("ATA0m1"),0,buf);
     out << (char*)buf;
-		sti();
+	out << "こんにちは、ユニコード。\nЗдравствуй, Юникод.\nΓεια σου, Γιούνικοντ.\n안녕하세요, 유니코드.\n"_s;
+		//sti();
 		for(;;);
 	}
 }

kernel/hal/x86/io/textDISP.cpp

@@ -8,6 +8,9 @@
 int x=0, y=0;
 namespace MTGosHAL {
 	auto Screen::putChar(char c) -> void {
+		putChar((unsigned short)c);
+	}
+	auto Screen::putChar(unsigned short c) -> void {
 		switch(c) {
 			case '\n':
 				x=0; y++;
@@ -28,10 +31,10 @@ namespace MTGosHAL {
 			default:
 				for(int lx=0;lx<16;lx++) {
 					for(int ly=0;ly<16;ly++) {
-						if(font[(int)((uint8_t)c)][ly]&(1<<(16-lx))) {
-							lfb[(x*16+lx)+(y*16+ly)*1024]=0xFFFFFF;//static_cast<uint32_t>(fg);
+						if(font[(int)(c)][ly]&(1<<(16-lx))) {
+							lfb[(x*16+lx)+(y*16+ly)*1024]=static_cast<uint32_t>(fg);
 						} else {
-							lfb[(x*16+lx)+(y*16+ly)*1024]=0x000000;//static_cast<uint32_t>(bg);
+							lfb[(x*16+lx)+(y*16+ly)*1024]=static_cast<uint32_t>(bg);
 						}
 					}
 				}
@@ -46,7 +49,7 @@ namespace MTGosHAL {
 	}
 	auto Screen::clrscr() -> void {
 		for(int p=0;p<1024*786;p++) {
-			lfb[p]=0x000000;//static_cast<uint32_t>(bg);
+			lfb[p]=static_cast<uint32_t>(bg);
 		}
 		x=y=0;
 	}
@@ -58,7 +61,7 @@ namespace MTGosHAL {
 		}
 		for(int ly=786-16;ly<786;ly++) {
 			for(int lx=0;lx<1024;lx++) {
-				lfb[lx+ly*1024]=0x000000;//static_cast<uint32_t>(bg);
+				lfb[lx+ly*1024]=static_cast<uint32_t>(bg);
 			}
 		}
 		y--;
@@ -105,8 +108,12 @@ namespace MTGosHAL {
 				bool wide_char=width[i].width==0x10;
 				if(wide_char) {
 					CHR16* chr=(CHR16*)((char*)(&chr_begin[hwcount]));
-					for(int j=0;j<16;j++)
-						::font[i][j]=chr->rows[j];
+					for(int j=0;j<16;j++) {
+						uint16_t tmp=chr->rows[j]&0xFF;
+						tmp <<= 8;
+						tmp += chr->rows[j]>>8;
+						::font[i][j]=tmp;
+					}
 					hwcount+=2;
 				} else {
 					for(int j=0;j<16;j++)
@@ -176,4 +183,9 @@ namespace MTGosHAL {
 		puts(output);
 		return *this;
 	}
+	auto Screen::puts(String& output) -> void {
+		for(size_t i=0;i<output.size();i++) {
+			putChar((uint16_t)output[i]);
+		}
+	}
 }

kernel/kernel/include/string.hpp

@@ -0,0 +1,16 @@
+#include <stdint.h>
+#include <pmm.hpp>
+class String {
+private:
+    uint32_t *arr;
+    size_t length;
+    String() {}
+public:
+    String(const char*);
+    String(String &);
+    ~String();
+    auto operator=(String &) -> String &;
+    auto size() -> size_t;
+    auto operator[](int) -> uint32_t;
+};
+String &operator""_s(const char *str, size_t len);

kernel/kernel/include/textDISP.hpp

@@ -3,6 +3,7 @@
 #include <base.hpp>
 #include <stdint.h>
 #include <output.hpp>
+#include <string.hpp>
 #define SCREEN_WIDTH 128
 #define SCREEN_HEIGHT 96
 namespace MTGosHAL {
@@ -51,7 +52,9 @@ namespace MTGosHAL {
 			int base;
 			auto putChar(char c) -> void;
 		public:
+			auto putChar(unsigned short c) -> void;
 			auto puts(const char *s) -> void;
+			auto puts(String &) -> void;
 			Screen(): fg(FG_color::WHITE), bg(BG_color::BLACK), base(10) {
 			}
 			template <typename T>

kernel/kernel/stdstring.cpp

@@ -0,0 +1,80 @@
+#include <string.hpp>
+#include <string.h>
+String::String(const char* ch) {
+    const unsigned char* c=(const unsigned char*)ch;
+    int len=0;
+    for(size_t i=0;i<strlen(ch);i++,len++) {
+        int p=i;
+        if(c[p]<0x80) {
+        } else if((c[p]&0xFC)==0xFC) 
+            i+=5;
+        else if((c[p]&0xF8)==0xF8)
+            i+=4;
+        else if((c[p]&0xF0)==0xF0)
+            i+=3;
+        else if((c[p]&0xE0)==0xE0)
+            i+=2;
+        else if((c[p]&0xC0)==0xC0)
+            i++;
+    }
+    length=len;
+    arr=new uint32_t[len];
+    int p=0;
+    for(int i=0;i<len;i++) {
+        uint32_t chr=0;
+        if(c[p]<0x80)
+            chr=c[p++];
+        else if((c[p]&0xFC)==0xFC) {
+            chr=(c[p++]&1)<<30;
+            chr+=(c[p++]&0x3F)<<24;
+            chr+=(c[p++]&0x3F)<<18;
+            chr+=(c[p++]&0x3F)<<12;
+            chr+=(c[p++]&0x3F)<<6;
+            chr+=c[p++]&0x3F;
+        }else if((c[p]&0xF8)==0xF8) {
+            chr=(c[p++]&3)<<24;
+            chr+=(c[p++]&0x3F)<<18;
+            chr+=(c[p++]&0x3F)<<12;
+            chr+=(c[p++]&0x3F)<<6;
+            chr+=c[p++]&0x3F;
+        }else if((c[p]&0xF0)==0xF0) {
+            chr=(c[p++]&0x07)<<18;
+            chr+=(c[p++]&0x3F)<<12;
+            chr+=(c[p++]&0x3F)<<6;
+            chr+=c[p++]&0x3F;
+        }else if((c[p]&0xE0)==0xE0) {
+            chr=(c[p++]&0x0F)<<12;
+            chr+=(c[p++]&0x3F)<<6;
+            chr+=c[p++]&0x3F;
+        }else if((c[p]&0xC0)==0xC0) {
+            chr=(c[p++]&0x1F)<<6;
+            chr+=c[p++]&0x3F;
+        }
+        arr[i]=chr;
+    }
+}
+String::String(String&other) {
+    *this=other;
+}
+auto String::operator=(String&other) -> String& {
+    length=other.size();
+    arr=new uint32_t(length);
+    for(size_t i=0;i<length;i++) {
+        arr[i]=other.arr[i];
+    }
+    return *this;
+}
+String::~String() {
+    delete arr;
+}
+auto String::size() -> size_t {
+    return length;
+}
+auto String::operator[](int i) -> uint32_t {
+    if((size_t)(i)<length)
+        return arr[i];
+    return 0;
+}
+String &operator""_s(const char *str, size_t len) {
+    return *(new String(str));
+}