mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-22 06:43:28 +03:00
211 lines
3.9 KiB
PHP
211 lines
3.9 KiB
PHP
proc string.length uses ebx, _str
|
|
mov eax, 0
|
|
mov ebx, [_str]
|
|
@@:
|
|
cmp [ebx], byte 0
|
|
je @f
|
|
inc eax
|
|
inc ebx
|
|
jmp @b
|
|
@@:
|
|
ret
|
|
endp
|
|
|
|
proc string.copy uses eax ebx ecx, _src, _dst
|
|
mov eax, [_src]
|
|
mov ebx, [_dst]
|
|
@@:
|
|
mov cl, [eax]
|
|
mov [ebx], cl
|
|
cmp cl, 0
|
|
je @f
|
|
inc eax
|
|
inc ebx
|
|
jmp @b
|
|
@@:
|
|
ret
|
|
endp
|
|
|
|
proc string.concatenate uses eax, _src, _dst
|
|
stdcall string.length, [_dst]
|
|
add eax, [_dst]
|
|
stdcall string.copy, [_src], eax
|
|
ret
|
|
endp
|
|
|
|
proc string.cmp uses ecx esi edi, _str1, _str2, _n
|
|
mov ecx, [_n]
|
|
test ecx, ecx ; Max length is zero?
|
|
je .done
|
|
|
|
mov esi, [_str1] ; esi = string s1
|
|
mov edi, [_str2] ; edi = string s2
|
|
cld
|
|
.compare:
|
|
cmpsb ; Compare two bytes
|
|
jne .done
|
|
cmp byte [esi-1], 0 ; End of string?
|
|
je .done
|
|
dec ecx ; Length limit reached?
|
|
jne .compare
|
|
.done:
|
|
seta al ; al = (s1 > s2)
|
|
setb ah ; ah = (s1 < s2)
|
|
sub al, ah
|
|
movsx eax, al ; eax = (s1 > s2) - (s1 < s2), i.e. -1, 0, 1
|
|
ret
|
|
endp
|
|
|
|
proc string.to_lower_case uses eax, _str
|
|
mov eax, [_str]
|
|
@@:
|
|
cmp [eax], byte 0
|
|
je @f
|
|
cmp [eax], byte 65
|
|
jl .next
|
|
cmp [eax], byte 90
|
|
jg .next
|
|
add [eax], byte 97 - 65
|
|
.next:
|
|
inc eax
|
|
jmp @b
|
|
@@:
|
|
ret
|
|
endp
|
|
|
|
proc string.to_upper_case uses eax, _str
|
|
mov eax, [_str]
|
|
@@:
|
|
cmp [eax], byte 0
|
|
je @f
|
|
cmp [eax], byte 97
|
|
jl .next
|
|
cmp [eax], byte 122
|
|
jg .next
|
|
sub [eax], byte 97 - 65
|
|
.next:
|
|
inc eax
|
|
jmp @b
|
|
@@:
|
|
ret
|
|
endp
|
|
|
|
proc string.match uses ebx ecx edx, _str1, _str2
|
|
mov ebx, [_str1]
|
|
mov ecx, [_str2]
|
|
@@:
|
|
cmp [ebx], byte 0
|
|
je @f
|
|
cmp [ecx], byte 0
|
|
je @f
|
|
|
|
mov dl, [ebx]
|
|
cmp [ecx], byte '?'
|
|
je .next
|
|
cmp [ecx], byte '*'
|
|
je .next_ebx
|
|
cmp [ecx], dl
|
|
je .next
|
|
|
|
cmp [ecx - 1], byte '*'
|
|
je .next_ecx
|
|
|
|
jmp @f
|
|
|
|
.next_ecx:
|
|
dec ecx
|
|
jmp .next
|
|
.next_ebx:
|
|
dec ebx
|
|
.next:
|
|
inc ebx
|
|
inc ecx
|
|
jmp @b
|
|
@@:
|
|
|
|
@@:
|
|
cmp [ecx], byte 0
|
|
je @f
|
|
cmp [ecx], byte '*'
|
|
jne @f
|
|
inc ecx
|
|
jmp @b
|
|
@@:
|
|
|
|
cmp [ecx], byte 0
|
|
je @f
|
|
mov eax, 0
|
|
ret
|
|
@@:
|
|
mov eax, 1
|
|
ret
|
|
endp
|
|
|
|
proc string.trim_last uses eax, _str
|
|
stdcall string.length, [_str]
|
|
add eax, [_str]
|
|
dec eax
|
|
@@:
|
|
cmp [eax], byte ' '
|
|
jne @f
|
|
mov [eax], byte 0
|
|
dec eax
|
|
jmp @b
|
|
@@:
|
|
ret
|
|
endp
|
|
|
|
proc string.trim_first, _str
|
|
mov eax, [_str]
|
|
@@:
|
|
cmp [eax], byte ' '
|
|
jne @f
|
|
inc eax
|
|
jmp @b
|
|
@@:
|
|
ret
|
|
endp
|
|
|
|
proc string.index_of uses ebx ecx, _str, _char, _num
|
|
mov ebx, [_char]
|
|
mov ecx, [_str]
|
|
mov eax, 0
|
|
@@:
|
|
cmp [ecx], byte 0
|
|
je @f
|
|
cmp [ecx], bl
|
|
jne .after_check
|
|
dec [_num]
|
|
jz .finded
|
|
.after_check:
|
|
inc ecx
|
|
inc eax
|
|
jmp @b
|
|
@@:
|
|
mov eax, -1
|
|
.finded:
|
|
ret
|
|
endp
|
|
|
|
proc string.last_index_of uses ebx ecx, _str, _char, _num
|
|
stdcall string.length, [_str]
|
|
mov ecx, [_str]
|
|
add ecx, eax
|
|
mov ebx, [_char]
|
|
@@:
|
|
cmp eax, 0
|
|
je @f
|
|
cmp [ecx], bl
|
|
jne .after_check
|
|
dec [_num]
|
|
jz .finded
|
|
.after_check:
|
|
dec ecx
|
|
dec eax
|
|
jmp @b
|
|
@@:
|
|
mov eax, -2
|
|
.finded:
|
|
inc eax
|
|
ret
|
|
endp |