Subversion Repositories Kolibri OS

#ifndef INCLUDE_STRING_H

#define INCLUDE_STRING_H

#ifndef INCLUDE_MEM_H

#include "../lib/mem.h"

#endif

//------------------------------------------------------------------------------

// strspn(dword text1,text2) --- example: strspn("12 year","1234567890") -> return 2

// strpbrk(dword text1,text2) --- example: strpbrk("this test", " ckfi") -> return "is test"

// strcmp( ESI, EDI)

// strlen( EDI)

// utf8_strlen( ESI)

// strcpy( EDI, ESI) --- 0 if ==

// strlcpy(dword text1,text2,signed length)

// strcat( EDI, ESI)

// chrcat(ESI, BL)

// strncat(dword text1,text2,signed length) --- pasting the text of a certain length

// strchr( ESI,BL) --- find first BL

// strrchr( ESI,BL) --- find last BL

// strstr( EBX, EDX)

// itoa(signed long number) --- convert the number as a string

// atoi(dword text) --- convert a string as a number

// strupr( ESI)

// strlwr( ESI) --- Cyrillic symbols may not work

// strttl( EDX)

// strtok( ESI)

// strltrim(dword text) --- removes "blank" characters on the left (\r, \n and space)

// strrtrim(dword text) --- removes "blank" characters on the right (\r, \n and space)

// strtrim(dword text) --- delete "empty" characters (\ r \ n and space) on both sides

// chrnum(dword searchin, char symbol)

// strcpyb(dword searchin, copyin, startstr, endstr) --- copy string between strings

// strnumb(dword searchin, startstr, endstr) --- get number between strings

// strdup(dword text) --- allocation under the text

//------------------------------------------------------------------------------

/*

inline fastcall signed int strcmp( ESI, EDI)

{

    loop()

    {

        IF (DSBYTE[ESI]

        IF (DSBYTE[ESI]>DSBYTE[EDI]) RETURN 1;

        IF (DSBYTE[ESI]=='\0') RETURN 0;

        ESI++;

        EDI++;

    }

}

*/

inline int strspn(dword text1,text2)

{

	dword beg;

	char s1,s2;

	int ret;

	ret = 0;

	beg = text2;

	do {

		s1 = ESBYTE[text1];

		text2 = beg;

		do {

			s2 = ESBYTE[text2];

			if(s1==s2)

			{

				if(!s2)break;

				$inc ret

				break;

			}

			else $inc text2

		} while(s2);

		$inc text1

	} while(s1);

	return ret;

}

inline dword strpbrk(dword text1,text2)

{

	char s,ss;

	dword beg;

	beg = text2;

	do {

		s = ESBYTE[text1];

		text2 = beg;

		do {

			ss = ESBYTE[text2];

			if(ss==s) return text1;

			$inc text2

		} while(ss);

		$inc text1

	} while(s);

	return text1;

}

inline fastcall signed int strncmp( ESI, EDI, ECX)

{

  asm {

    MOV EBX, EDI

    XOR EAX, EAX

    MOV EDX, ECX

    OR ECX, ECX

    JE L1

    REPNE SCASB

    SUB EDX, ECX

    MOV ECX, EDX

    MOV EDI, EBX

    XOR EBX, EBX

    REPE CMPSB

    MOV AL, DSBYTE[ ESI-1]

    MOV BL, DSBYTE[ EDI-1]

    SUB EAX, EBX

L1:

  }

}

/*

inline signed int strncmp(dword text1,text2,len)

{

	loop()

	{

		if(DSBYTE[text1]!=DSBYTE[text2])return text1-text2;

		$dec len

		if(!len)return 0;

	}

}

*/

inline fastcall unsigned int strlen( EDI)

{

	$xor eax, eax

	$mov ecx, -1

	$REPNE $SCASB

	EAX-=2+ECX;

}

inline strnlen(dword str, dword maxlen)

{

	dword cp;

	for (cp = str; (maxlen != 0) && (DSBYTE[cp] != '\0'); cp++, maxlen--);

	return cp - str;

}

inline fastcall unsigned int utf8_strlen( ESI)

{

 $xor  ecx, ecx

  _loop:

 $lodsb

 $test  al, al

 $jz  _done

 $and al, 0xc0

 $cmp al, 0x80

 $jz  _loop

 $inc ecx

 $jmp _loop

  _done:

 return ECX;

}

inline signed int strcmp(dword text1, text2)

{

	char s1,s2;

	dword p1,p2;

	p1 = text1;

	p2 = text2;

	loop()

	{

		s1 = DSBYTE[text1];

		s2 = DSBYTE[text2];

		if(s1==s2)

		{

			if(s1==0) return 0;

		}

		else {

			return s1-s2;

		}

		$inc text1

		$inc text2

	}

	return 0;

}

/*

TODO: rewrite streq() using pure assembliy

inline fastcall void strcpy( EDI, ESI)

{

    $cld

L2:

    $lodsb

    $stosb

    $test al,al

    $jnz L2

}

*/

inline fastcall streq(ESI, EDI)

{

	loop()

	{

		if(DSBYTE[ESI]==DSBYTE[EDI])

		{

			if(DSBYTE[ESI]==0) return true;

		}

		else {

			return false;

		}

		ESI++;

		EDI++;

	}

	return true;

}

/*

signed int strncmp(dword s1, s2, signed n)

unsigned char _s1,_s2;

{

	if (n == 0)

		return 0;

	do {

		_s1 = DSBYTE[s1];

		_s2 = DSBYTE[s2];

		if (_s1 != _s2)

		{

			$dec s2

			return _s1 - _s2;

		}

		$inc s2

		if (_s1 == 0)

			break;

		$inc s1

		$dec n

	} while (n);

	return 0;

}

*/

inline fastcall void strcpy( EDI, ESI)

{

    $cld

L2:

    $lodsb

    $stosb

    $test al,al

    $jnz L2

}

inline fastcall int strlcpy(dword ESI, EDI, EBX)

{

    if (EBX<0) return -1;

    EDX=0;

    do {

        DSBYTE[ESI]=DSBYTE[EDI];

        ESI++;

        EDI++;

        EDX++;

        if (EDX==EBX) { DSBYTE[ESI]='\0'; return -1;}

    } while(DSBYTE[EDI-1]!='\0');

    return 0;

}

:void strncpy(dword dst, src, len)

{

	while (len)

	{

		ESBYTE[dst] = ESBYTE[src];

		dst++;

		src++;

		len--;

	}

	ESBYTE[dst]=0;

}

/*

inline fastcall void strtrim( ESI)

{

    EDI = ESI;

    do{

        AL=DSBYTE[EDI];

        if (AL != '\32') && (AL != '\13') && (AL != '\10')

        {

            DSBYTE[ESI]=AL;

            $inc ESI

        }

         $inc EDI

    }while(AL!=0);

    DSBYTE[ESI] = '\0';

}

*/

inline byte __isWhite(int s){ if (s==13)||(s==32)||(s==10)||(s==9) return true; return false; }

inline void strltrim(dword text){

	int s;

	dword back_text;

	back_text = text;

	s = ESBYTE[text];

	while(__isWhite(s))

	{

		$inc text

		s = ESBYTE[text];

	}

	loop()

	{

		ESBYTE[back_text] = s;

		$inc back_text

		if(!s) break;

		$inc text

		s = ESBYTE[text];

	};

}

inline void strrtrim(dword text)

{

	int s;

	dword p;

	do {

		s = ESBYTE[text];

		if(__isWhite(s))

		{

			p = text;

			while(__isWhite(s))

			{

				$inc text;

				s = ESBYTE[text];

			}

		}

		else $inc text

	} while(s);

	$dec text

	s = ESBYTE[text];

	if(__isWhite(s)) ESBYTE[p] = 0;

}

inline void strtrim(dword text){

	int s;

	dword p,back_text;

	back_text = text;

	s = ESBYTE[text];

	while(__isWhite(s))

	{

		$inc text

		s = ESBYTE[text];

	}

	do {

		s = ESBYTE[text];

		if(__isWhite(s))

		{

			p = back_text;

			while(__isWhite(s))

			{

				ESBYTE[back_text] = s;

				$inc back_text

				$inc text;

				s = ESBYTE[text];

			}

		}

		else {

			ESBYTE[back_text] = s;

			$inc back_text

			$inc text

		}

	} while(s);

	$dec text

	s = ESBYTE[text];

	if(__isWhite(s)) ESBYTE[p] = 0;

}

inline fastcall void strcat( EDI, ESI)

{

  asm {

    mov ebx, edi

    xor ecx, ecx

    xor eax, eax

    dec ecx

    repne scasb

    dec edi

    mov edx, edi

    mov edi, esi

    xor ecx, ecx

    xor eax, eax

    dec ecx

    repne scasb

    xor ecx, 0ffffffffh

    mov edi, edx

    mov edx, ecx

    mov eax, edi

    shr ecx, 2

    rep movsd

    mov ecx, edx

    and ecx, 3

    rep movsb

    mov eax, ebx

    }

}

:void strncat(dword text1, text2, signed len)

signed o1,o2;

char s;

{

	s = DSBYTE[text1];

	while(s){

		$inc text1

		s = DSBYTE[text1];

	}

	o1 = len/4;

	o2 = len-4*o1;

	while(o1){

		DSDWORD[text1] = DSDWORD[text2];

		text1 += 4;

		text2 += 4;

		$dec o1

	}

	while(o2){

		DSBYTE[text1] = DSBYTE[text2];

		$inc text1

		$inc text2

		$dec o2

	}

	DSBYTE[text1] = 0;

}

inline fastcall void chrcat(ESI, BL)

{

    EDI = strlen(ESI);

    ESBYTE[ESI+EDI] = BL;

    ESBYTE[ESI+EDI+1] = 0;

}

inline dword strchr(dword shb;char s)

{

	char ss;

	loop()

	{

		ss = DSBYTE[shb];

		if(!ss)return 0;

		if(ss==s)return shb;

		shb++;

	}

}

inline fastcall signed int strrchr( ESI,BL)

{

    int jj=0, last=0;

    do{

        jj++;

        $lodsb

        IF(AL==BL) last=jj;

    } while(AL!=0);

    return last;

}

inline fastcall unsigned int chrnum( ESI, BL)

{

    int num = 0;

    while(DSBYTE[ESI])

    {

        if (DSBYTE[ESI] == BL) num++;

        ESI++;

    }

    return num;

}

inline fastcall signed int strstr( EBX, EDX)

{

  asm {

    MOV EDI, EDX

    XOR ECX, ECX

    XOR EAX, EAX

    DEC ECX

    REPNE SCASB

    NOT ECX

    DEC ECX

    JE LS2

    MOV ESI, ECX

    XOR ECX, ECX

    MOV EDI, EBX

    DEC ECX

    REPNE SCASB

    NOT ECX

    SUB ECX, ESI

    JBE LS2

    MOV EDI, EBX

    LEA EBX, DSDWORD[ ESI-1]

LS1: MOV ESI, EDX

    LODSB

    REPNE SCASB

    JNE LS2

    MOV EAX, ECX

    PUSH EDI

    MOV ECX, EBX

    REPE CMPSB

    POP EDI

    MOV ECX, EAX

    JNE LS1

    LEA EAX, DSDWORD[ EDI-1]

    JMP SHORT LS3

LS2: XOR EAX, EAX

LS3:

  }

}

inline dword strcmpi(dword cmp1, cmp2)

{

    char si, ue;

    loop()

    {

        si = DSBYTE[cmp1];

        ue = DSBYTE[cmp2];

        if (si>='A') && (si<='Z') si +=32;

        if (ue>='A') && (ue<='Z') ue +=32;

        if (si != ue) return -1;

        cmp1++;

        cmp2++;

        if ((DSBYTE[cmp1]=='\0') && (DSBYTE[cmp2]=='\0')) return 0;

        if (DSBYTE[cmp1]=='\0') return -1;

        if (DSBYTE[cmp2]=='\0') return 1;

    }

}

inline dword strstri(dword searchin, usestr_s)

{

    dword usestr_e = usestr_s;

    char si, ue;

    while(DSBYTE[searchin])

    {

        si = DSBYTE[searchin];

        ue = DSBYTE[usestr_e];

        if (si>='A') && (si<='Z') si +=32;

        if (ue>='A') && (ue<='Z') ue +=32;

        if (si == ue) usestr_e++; else usestr_e = usestr_s;

        searchin++;

        if (DSBYTE[usestr_e]=='\0') return searchin;

    }

    return -1;

}

inline unsigned int strcpyb(dword search_in, copyin, startstr, endstr)

{

    dword startp, endp;

    dword copyin_start_off = copyin;

    if (startstr==0) startp = search_in; else startp = strstr(search_in, startstr) + strlen(startstr);

    endp = strstri(startp, endstr);

    if (endp==0) endp = startp+strlen(search_in);

    //if (startp==endp) return 0;

    do

    {

        DSBYTE[copyin] = DSBYTE[startp];

        copyin++;

        startp++;

    }

    while (startp

    DSBYTE[copyin] = '\0';

    return copyin_start_off;

}

/*void strcat(char *to, char *from)

{

    while(*to) to++;

    while(*from)

    {

        *to = *from;

        to++;

        from++;

    }

    *to = '\0';

}*/

inline fastcall dword atoi( EDI)

{

    $push ebx

    $push esi

    ESI=EDI;

    while (DSBYTE[ESI]==' ') ESI++;

    if (DSBYTE[ESI]=='-') ESI++;

    EAX=0;

    while (DSBYTE[ESI]>='0') && (DSBYTE[ESI]<='9')

    {

        $xor ebx, ebx

        EBX = DSBYTE[ESI]-'0';

        EAX *= 10;

        EAX += EBX;

        ESI++;

    }

    IF (DSBYTE[EDI]=='-') -EAX;

    $pop esi

    $pop ebx

}

inline fastcall strupr( ESI)

{

    do{

        AL=DSBYTE[ESI];

        IF(AL>='a')IF(AL<='z')DSBYTE[ESI]=AL&0x5f;

        IF (AL>=160) && (AL<=175) DSBYTE[ESI] = AL - 32;    //�-�

        IF (AL>=224) && (AL<=239) DSBYTE[ESI] = AL - 80;    //�-�

         ESI++;

    }while(AL!=0);

}

inline fastcall strlwr( ESI)

{

    do{

        $LODSB

        IF(AL>='A')&&(AL<='Z'){

            AL+=0x20;

            DSBYTE[ESI-1]=AL;

            CONTINUE;

        }

    }while(AL!=0);

}

inline fastcall strttl( EDX)

{

    AL=DSBYTE[EDX];

    IF(AL>='a')&&(AL<='z')DSBYTE[EDX]=AL&0x5f;

    IF (AL>=160) && (AL<=175) DSBYTE[EDX] = AL - 32;    //�-�

    IF (AL>=224) && (AL<=239) DSBYTE[EDX] = AL - 80;    //�-�

    do{

        EDX++;

        AL=DSBYTE[EDX];

        IF(AL>='A')&&(AL<='Z'){DSBYTE[EDX]=AL|0x20; CONTINUE;}

        IF(AL>='�')&&(AL<='�')DSBYTE[EDX]=AL|0x20; //�-�

        IF (AL>=144) && (AL<=159) DSBYTE[EDX] = AL + 80;    //�-�

    }while(AL!=0);

}

/*

dword itoa( ESI)

{

    unsigned char buffer[11];

    $pusha

    EDI = #buffer;

    ECX = 10;

    if (ESI < 0)

    {

         $mov     al, '-'

         $stosb

         $neg     esi

    }

    $mov     eax, esi

    $push    -'0'

F2:

    $xor     edx, edx

    $div     ecx

    $push    edx

    $test    eax, eax

    $jnz     F2

F3:

    $pop     eax

    $add     al, '0'

    $stosb

    $jnz     F3

    $mov     al, '\0'

    $stosb

    $popa

    return #buffer;

}

*/

:unsigned char BUF_ITOA[11];

inline dword itoa(signed long number)

{

	dword ret,p;

	byte cmd;

	long mask,tmp;

	mask = 1000000000;

	cmd = true;

	p = #BUF_ITOA;

	if(!number){

		ESBYTE[p] = '0';

		ESBYTE[p+1] = 0;

		return p;

	}

	ret = p;

	if(number<0)

	{

		$neg number

		ESBYTE[p] = '-';

		$inc p

	}

	while(mask)

	{

		tmp = number / mask;

		tmp = tmp%10;

		if(cmd){

			if(tmp){

				ESBYTE[p] = tmp + '0';

				$inc p

				cmd = false;

			}

		}

		else {

			ESBYTE[p] = tmp + '0';

			$inc p

		}

		mask /= 10;

	}

	ESBYTE[p] = 0;

	return ret;

}

inline fastcall itoa_(signed int EDI, ESI)

{

    $pusha

    EBX = EDI;

    ECX = 10;

    if (ESI > 90073741824)

    {

         $mov     al, '-'

         $stosb

         $neg     esi

    }

    $mov     eax, esi

    $push    -'0'

F2:

    $xor     edx, edx

    $div     ecx

    $push    edx

    $test    eax, eax

    $jnz     F2

F3:

    $pop     eax

    $add     al, '0'

    $stosb

    $jnz     F3

    $mov     al, '\0'

    $stosb

    $popa

    return EBX;

}

inline dword memchr(dword s,int c,signed len)

{

	if(!len) return NULL;

	do {

		if(DSBYTE[s] == c) return s;

		$inc s

		$dec len

	} while(len);

	return NULL;

}

inline dword strdup(dword text)

{

    dword l = strlen(text);

    dword ret = malloc(l+1);

	if(!ret) return NULL;

    strlcpy(ret,text,l);

    return ret;

}

inline dword strndup(dword str, signed maxlen)

{

	dword copy,len;

	len = strnlen(str, maxlen);

	copy = malloc(len + 1);

	if (copy != NULL)

	{

		strlcpy(copy, str, len);

		DSBYTE[len+copy] = '\0';

	}

	return copy;

}

inline dword hexdec(dword text)

{

	char s;

	dword ret,l;

	ret = 0;

	s = DSBYTE[text];

	while(s)

	{

		ret <<= 4;

		if(s>='A')&&(s<='F')ret |= s-'A'+10;

		else if(s>='a')&&(s<='f')ret |= s-'a'+10;

		else if(s>='0')&&(s<='9')ret |= s-'0';

		text++;

		s = DSBYTE[text];

	}

	return ret;

}

inline signed csshexdec(dword text)

{

	char s;

	dword ret,l;

	byte tmp;

	l = strlen(text);

	ret = 0;

	s = DSBYTE[text];

	tmp = 0;

	if(l==6) while(s)

	{

		ret <<= 4;

		if(s>='A')&&(s<='F')ret |= s-'A'+10;

		else if(s>='a')&&(s<='f')ret |= s-'a'+10;

		else if(s>='0')&&(s<='9')ret |= s-'0';

		text++;

		s = DSBYTE[text];

	}

	else if(l==3) while(s)

	{

		ret |= tmp;

		ret <<= 4;

		ret |= tmp;

		ret <<= 4;

		if(s>='A')&&(s<='F')tmp = s-'A'+10;

		else if(s>='a')&&(s<='f')tmp = s-'a'+10;

		else if(s>='0')&&(s<='9')tmp = s-'0';

		text++;

		s = DSBYTE[text];

	}

	return ret;

}

inline cdecl int sprintf(dword buf, format,...)

{

	#define END_ARGS 0xFF00FF //ARGS FUNCTION

	byte s;

	char X[10];

	dword ret, tmp, l;

	dword arg = #format;

	ret = buf;

	s = DSBYTE[format];

	while(s){

		if(s=='%'){

			arg+=4;

			tmp = DSDWORD[arg];

			if(tmp==END_ARGS)goto END_FUNC_SPRINTF;

			$inc format

			s = DSBYTE[format];

			if(!s)goto END_FUNC_SPRINTF;

			switch(s)

			{

				case 's':

					l = tmp;

					s = DSBYTE[tmp];

					while(s)

					{

						DSBYTE[buf] = s;

						$inc tmp

						$inc buf

						s = DSBYTE[tmp];

					}

				break;

				case 'c':

					DSBYTE[buf] = tmp;

					$inc buf

				break;

				case 'u': //if(tmp<0)return ret;

				case 'd':

				case 'i':

					tmp = itoa(tmp);

					if(!DSBYTE[tmp])goto END_FUNC_SPRINTF;

					l = strlen(tmp);

					strlcpy(buf,tmp,l);

					buf += l;

				break;

				case 'a':

				case 'A':

					strlcpy(buf,"0x00000000",10);

					buf+=10;

					l=buf;

					while(tmp)

					{

						$dec buf

						s=tmp&0xF;

						if(s>9)DSBYTE[buf]='A'+s-10;

						else DSBYTE[buf]='0'+s;

						tmp>>=4;

					}

					buf=l;

				break;

				case 'p':

					tmp = itoa(#tmp);

					if(!DSBYTE[tmp])goto END_FUNC_SPRINTF;

					l = strlen(tmp);

					strlcpy(buf,tmp,l);

					buf += l;

				break;

				case '%':

					DSBYTE[buf] = '%';

					$inc buf

				break;

				default:

				goto END_FUNC_SPRINTF;

			}

		}

		else {

			DSBYTE[buf] = s;

			$inc buf

		}

		$inc format

		s = DSBYTE[format];

	}

	END_FUNC_SPRINTF:

	DSBYTE[buf] = 0;

	return ret;

}

inline signed strcoll(dword text1,text2)

{

	char s,ss;

	loop()

	{

		s = DSBYTE[text2];

		ss=strchr(text1,s);

		if(ss)return ss;

		text2++;

	}

	return 0;

}

:replace_char(dword in_str, char from_char, to_char, int length) {

	int i;

	for (i=0; i

		if (ESBYTE[in_str+i] == from_char) ESBYTE[in_str+i] = to_char;

	}

	ESBYTE[in_str+length]=0;

}

#endif