mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-15 11:22:34 +03:00
b7c6be3b16
comments support (lines starting with ';' by default) version bump git-svn-id: svn://kolibrios.org@1048 a494cfbc-eb01-0410-851d-a64ba20cac60
624 lines
26 KiB
NASM
624 lines
26 KiB
NASM
;;================================================================================================;;
|
|
;;//// libini_p.asm //// (c) mike.dld, 2006-2008 /////////////////////////////////////////////////;;
|
|
;;================================================================================================;;
|
|
;; ;;
|
|
;; This file is part of Common development libraries (Libs-Dev). ;;
|
|
;; ;;
|
|
;; Libs-Dev is free software: you can redistribute it and/or modify it under the terms of the GNU ;;
|
|
;; Lesser General Public License as published by the Free Software Foundation, either version 2.1 ;;
|
|
;; of the License, or (at your option) any later version. ;;
|
|
;; ;;
|
|
;; Libs-Dev is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without ;;
|
|
;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;
|
|
;; Lesser General Public License for more details. ;;
|
|
;; ;;
|
|
;; You should have received a copy of the GNU Lesser General Public License along with Libs-Dev. ;;
|
|
;; If not, see <http://www.gnu.org/licenses/>. ;;
|
|
;; ;;
|
|
;;================================================================================================;;
|
|
|
|
mem.alloc dd ?
|
|
mem.free dd ?
|
|
mem.realloc dd ?
|
|
dll.load dd ?
|
|
|
|
;;================================================================================================;;
|
|
proc libini._.init ;//////////////////////////////////////////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? Library entry point (called after library load) ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> eax = memory allocation routine <mem.alloc*> ;;
|
|
;> ebx = memory freeing routine <mem.free*> ;;
|
|
;> ecx = memory reallocation routine <mem.realloc*> ;;
|
|
;> edx = library loading routine <dll.load*> ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< eax = 1 (fail) / 0 (ok) (library initialization result) ;;
|
|
;;================================================================================================;;
|
|
mov [mem.alloc], eax
|
|
mov [mem.free], ebx
|
|
mov [mem.realloc], ecx
|
|
mov [dll.load], edx
|
|
|
|
invoke dll.load, @IMPORT
|
|
or eax, eax
|
|
jz .ok
|
|
|
|
xor eax, eax
|
|
inc eax
|
|
ret
|
|
|
|
.ok: xor eax,eax
|
|
ret
|
|
endp
|
|
|
|
;;================================================================================================;;
|
|
proc libini._.unget_char _f ;/////////////////////////////////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< --- TBD --- ;;
|
|
;;================================================================================================;;
|
|
push eax ecx
|
|
mov ecx, [_f]
|
|
inc [ecx + IniFile.cnt]
|
|
dec esi
|
|
mov eax, [ecx + IniFile.bsize]
|
|
cmp [ecx + IniFile.cnt], eax
|
|
jle @f
|
|
stdcall libini._.unload_block, [_f]
|
|
@@: pop ecx eax
|
|
ret
|
|
endp
|
|
|
|
;;================================================================================================;;
|
|
proc libini._.get_char _f ;///////////////////////////////////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< --- TBD --- ;;
|
|
;;================================================================================================;;
|
|
mov ecx, [_f]
|
|
dec [ecx + IniFile.cnt]
|
|
jns @f
|
|
stdcall libini._.preload_block, [_f]
|
|
dec [ecx + IniFile.cnt]
|
|
@@: lodsb
|
|
ret
|
|
endp
|
|
|
|
;;================================================================================================;;
|
|
proc libini._.skip_nonblanks _f ;/////////////////////////////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< --- TBD --- ;;
|
|
;;================================================================================================;;
|
|
mov ecx, [_f]
|
|
@@: stdcall libini._.get_char, [_f]
|
|
cmp al, 32
|
|
je @b
|
|
cmp al, 13
|
|
je @b
|
|
cmp al, 10
|
|
je @b
|
|
cmp al, 9
|
|
je @b
|
|
cmp al, ini.COMMENT_CHAR
|
|
jne @f
|
|
stdcall libini._.skip_line, [_f]
|
|
jmp @b
|
|
@@: stdcall libini._.unget_char, [_f]
|
|
ret
|
|
endp
|
|
|
|
;;================================================================================================;;
|
|
proc libini._.skip_spaces _f ;////////////////////////////////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< --- TBD --- ;;
|
|
;;================================================================================================;;
|
|
mov ecx, [_f]
|
|
@@: stdcall libini._.get_char, [_f]
|
|
cmp al, 32
|
|
je @b
|
|
cmp al, 9
|
|
je @b
|
|
@@: stdcall libini._.unget_char, [_f]
|
|
ret
|
|
endp
|
|
|
|
;;================================================================================================;;
|
|
proc libini._.skip_line _f ;//////////////////////////////////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< --- TBD --- ;;
|
|
;;================================================================================================;;
|
|
mov ecx, [_f]
|
|
@@: stdcall libini._.get_char, [_f]
|
|
or al, al
|
|
jz @f
|
|
cmp al, 13
|
|
je @f
|
|
cmp al, 10
|
|
jne @b
|
|
@@: stdcall libini._.unget_char, [_f]
|
|
ret
|
|
endp
|
|
|
|
;;================================================================================================;;
|
|
proc libini._.unload_block _f ;///////////////////////////////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< --- TBD --- ;;
|
|
;;================================================================================================;;
|
|
push eax ebx ecx
|
|
mov ebx, [_f]
|
|
mov eax, [ebx + IniFile.pos]
|
|
add eax, -ini.BLOCK_SIZE
|
|
invoke file.seek, [ebx + IniFile.fh], eax, SEEK_SET
|
|
stdcall libini._.preload_block, ebx
|
|
add esi, eax
|
|
mov [ebx + IniFile.cnt], 0
|
|
pop ecx ebx eax
|
|
ret
|
|
endp
|
|
|
|
;;================================================================================================;;
|
|
proc libini._.preload_block _f ;//////////////////////////////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< --- TBD --- ;;
|
|
;;================================================================================================;;
|
|
push eax ebx ecx
|
|
mov ebx, [_f]
|
|
@@: mov esi, [ebx + IniFile.buf]
|
|
push edi
|
|
mov edi, esi
|
|
mov ecx, ini.BLOCK_SIZE / 4
|
|
xor eax, eax
|
|
rep stosd
|
|
pop edi
|
|
invoke file.tell, [ebx + IniFile.fh]
|
|
mov [ebx + IniFile.pos], eax
|
|
invoke file.read, [ebx + IniFile.fh], esi, ini.BLOCK_SIZE
|
|
mov esi,[ebx + IniFile.buf]
|
|
cmp eax,ini.BLOCK_SIZE
|
|
jl @f
|
|
@@: mov [ebx + IniFile.cnt], eax
|
|
mov [ebx + IniFile.bsize], eax
|
|
pop ecx ebx eax
|
|
ret
|
|
endp
|
|
|
|
;;================================================================================================;;
|
|
proc libini._.reload_block _f ;///////////////////////////////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< --- TBD --- ;;
|
|
;;================================================================================================;;
|
|
push eax ebx ecx
|
|
mov ebx, [_f]
|
|
push [ebx + IniFile.bsize]
|
|
push esi [ebx + IniFile.cnt]
|
|
invoke file.seek, [ebx + IniFile.fh], [ebx + IniFile.pos], SEEK_SET
|
|
stdcall libini._.preload_block, ebx
|
|
pop [ebx + IniFile.cnt] esi
|
|
pop eax
|
|
sub eax,[ebx + IniFile.bsize]
|
|
sub [ebx + IniFile.cnt], eax
|
|
pop ecx ebx eax
|
|
ret
|
|
endp
|
|
|
|
; f_info - contains current file block number
|
|
; esi - position in block from where to shift
|
|
; ecx - number of bytes to shift by
|
|
|
|
;;================================================================================================;;
|
|
proc libini._.shift_content _f, _delta ;//////////////////////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? Shift file content starting from cursor position (~ delete) ;;
|
|
;? Content is copied by 'delta' bytes up/down ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< eax = -1 (fail) / 0 (ok) ;;
|
|
;;================================================================================================;;
|
|
locals
|
|
buf dd ?
|
|
endl
|
|
|
|
xor eax, eax
|
|
cmp [_delta], 0
|
|
je .skip
|
|
|
|
push ebx ecx
|
|
invoke mem.alloc, ini.BLOCK_SIZE
|
|
or eax, eax
|
|
jz .fail
|
|
mov [buf], eax
|
|
|
|
cmp [_delta], 0
|
|
jl .down
|
|
|
|
mov ebx, [_f]
|
|
mov ecx, [ebx + IniFile.cnt]
|
|
mov ebx, [ebx + IniFile.fh]
|
|
invoke file.tell, ebx
|
|
sub eax, ecx
|
|
invoke file.seek, ebx, eax, SEEK_SET
|
|
@@: invoke file.seek, ebx, [_delta], SEEK_CUR
|
|
invoke file.eof?, ebx
|
|
or eax, eax
|
|
jnz .done
|
|
invoke file.read, ebx, [buf], ini.BLOCK_SIZE
|
|
mov ecx, eax
|
|
mov eax, [_delta]
|
|
neg eax
|
|
sub eax, ecx
|
|
invoke file.seek, ebx, eax, SEEK_CUR
|
|
invoke file.write, ebx, [buf], ecx
|
|
jmp @b
|
|
.done:
|
|
mov eax, [_delta]
|
|
neg eax
|
|
invoke file.seek, ebx, eax, SEEK_CUR
|
|
invoke file.seteof, ebx
|
|
stdcall libini._.reload_block, [_f]
|
|
invoke mem.free, [buf]
|
|
pop ecx ebx
|
|
.skip:
|
|
ret
|
|
.fail:
|
|
or eax, -1
|
|
pop ecx ebx
|
|
ret
|
|
|
|
.down:
|
|
neg [_delta]
|
|
|
|
mov ebx, [_f]
|
|
mov ecx, [ebx + IniFile.cnt]
|
|
mov ebx, [ebx + IniFile.fh]
|
|
invoke file.tell, ebx
|
|
sub eax, ecx
|
|
lea edx, [eax - 1]
|
|
push edx
|
|
@@: invoke file.seek, ebx, edx, SEEK_SET
|
|
invoke file.eof?, ebx
|
|
or eax, eax
|
|
jnz @f
|
|
add edx, ini.BLOCK_SIZE
|
|
jmp @b
|
|
@@: cmp edx, [esp]
|
|
je .skip.2
|
|
add edx, -ini.BLOCK_SIZE
|
|
cmp edx, [esp]
|
|
jl @f
|
|
invoke file.seek, ebx, edx, SEEK_SET
|
|
invoke file.read, ebx, [buf], ini.BLOCK_SIZE
|
|
mov ecx, eax
|
|
mov eax, [_delta]
|
|
sub eax, ecx
|
|
invoke file.seek, ebx, eax, SEEK_CUR
|
|
invoke file.write, ebx, [buf], ecx
|
|
jmp @b
|
|
@@:
|
|
.skip.2:
|
|
add esp, 4
|
|
stdcall libini._.reload_block, [_f]
|
|
invoke mem.free, [buf]
|
|
pop ecx ebx
|
|
ret
|
|
endp
|
|
|
|
;;================================================================================================;;
|
|
proc libini._.get_value_length _f ;///////////////////////////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< --- TBD --- ;;
|
|
;;================================================================================================;;
|
|
push ebx ecx edx eax
|
|
mov ebx, [_f]
|
|
invoke file.tell, [ebx + IniFile.fh]
|
|
push esi [ebx + IniFile.cnt] [ebx + IniFile.pos]
|
|
sub eax, [ebx + IniFile.cnt]
|
|
mov edx, eax
|
|
|
|
stdcall libini._.skip_line, [_f]
|
|
invoke file.tell, [ebx + IniFile.fh]
|
|
sub eax, [ebx + IniFile.cnt]
|
|
sub eax, edx
|
|
mov [esp + 4 * 3], eax
|
|
|
|
pop eax
|
|
invoke file.seek, [ebx + IniFile.fh], eax, SEEK_SET
|
|
stdcall libini._.preload_block, [_f]
|
|
pop [ebx + IniFile.cnt] esi
|
|
pop eax edx ecx ebx
|
|
ret
|
|
endp
|
|
|
|
;;================================================================================================;;
|
|
proc libini._.string_copy ;///////////////////////////////////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< --- TBD --- ;;
|
|
;;================================================================================================;;
|
|
@@: lodsb
|
|
or al, al
|
|
jz @f
|
|
stosb
|
|
jmp @b
|
|
@@: ret
|
|
endp
|
|
|
|
;;================================================================================================;;
|
|
proc libini._.find_next_section _f ;//////////////////////////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< --- TBD --- ;;
|
|
;;================================================================================================;;
|
|
push ebx edi
|
|
|
|
@@: stdcall libini._.skip_nonblanks, [_f]
|
|
cmp al, '['
|
|
je @f
|
|
or al, al
|
|
jz .exit_error
|
|
stdcall libini._.skip_line, [_f]
|
|
or al, al
|
|
jz .exit_error
|
|
jmp @b
|
|
@@:
|
|
pop edi ebx
|
|
xor eax, eax
|
|
ret
|
|
|
|
.exit_error:
|
|
pop edi ebx
|
|
or eax, -1
|
|
ret
|
|
endp
|
|
|
|
;;================================================================================================;;
|
|
proc libini._.find_section _f, _sec_name ;////////////////////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? Find section in file ;;
|
|
;? Search is performed from the beginning of file ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< eax = -1 (fail) / 0 (ok) ;;
|
|
;< [_f.pos] = new cursor position (right after ']' char if eax = 0, at the end of file otherwise) ;;
|
|
;;================================================================================================;;
|
|
push ebx edi
|
|
|
|
mov ecx, [_f]
|
|
invoke file.seek, [ecx + IniFile.fh], 0, SEEK_SET
|
|
stdcall libini._.preload_block, [_f]
|
|
|
|
.next_section:
|
|
stdcall libini._.find_next_section, [_f]
|
|
or eax, eax
|
|
jnz .exit_error
|
|
|
|
stdcall libini._.get_char, [_f]
|
|
stdcall libini._.skip_spaces, [_f]
|
|
mov edi, [_sec_name]
|
|
@@: stdcall libini._.get_char, [_f]
|
|
cmp al, ']'
|
|
je @f
|
|
or al, al
|
|
jz .exit_error
|
|
cmp al, 13
|
|
je .next_section
|
|
cmp al, 10
|
|
je .next_section
|
|
scasb
|
|
je @b
|
|
cmp byte[edi - 1], 0
|
|
jne .next_section
|
|
dec edi
|
|
stdcall libini._.unget_char, [_f]
|
|
stdcall libini._.skip_spaces, [_f]
|
|
stdcall libini._.get_char, [_f]
|
|
cmp al, ']'
|
|
jne .next_section
|
|
@@:
|
|
cmp byte[edi], 0
|
|
jne .next_section
|
|
pop edi ebx
|
|
xor eax, eax
|
|
ret
|
|
|
|
.exit_error:
|
|
pop edi ebx
|
|
or eax, -1
|
|
ret
|
|
endp
|
|
|
|
;;================================================================================================;;
|
|
proc libini._.find_key _f, _key_name ;////////////////////////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? Find key in section ;;
|
|
;? Search is performed within current section starting from cursor position ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< eax = -1 (fail) / 0 (ok) ;;
|
|
;< [_f.pos] = new cursor position (right after '=' char if eax = 0, at the end of file or right ;;
|
|
;< before '[' char otherwise) ;;
|
|
;;================================================================================================;;
|
|
push ebx edi
|
|
|
|
.next_value:
|
|
mov edi, [_key_name]
|
|
stdcall libini._.skip_line, [_f]
|
|
stdcall libini._.skip_nonblanks, [_f]
|
|
or al, al
|
|
jz .exit_error
|
|
cmp al, '['
|
|
je .exit_error
|
|
@@: stdcall libini._.get_char, [_f]
|
|
or al, al
|
|
jz .exit_error
|
|
cmp al, '='
|
|
je @f
|
|
scasb
|
|
je @b
|
|
cmp byte[edi - 1], 0
|
|
jne .next_value
|
|
dec edi
|
|
stdcall libini._.unget_char, [_f]
|
|
stdcall libini._.skip_spaces, [_f]
|
|
stdcall libini._.get_char, [_f]
|
|
cmp al, '='
|
|
je @f
|
|
jmp .next_value
|
|
@@:
|
|
cmp byte[edi], 0
|
|
jne .next_value
|
|
|
|
pop edi ebx
|
|
xor eax, eax
|
|
ret
|
|
|
|
.exit_error:
|
|
pop edi ebx
|
|
or eax, -1
|
|
ret
|
|
endp
|
|
|
|
;;================================================================================================;;
|
|
proc libini._.low.read_value _f_addr, _buffer, _buf_len ;/////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< --- TBD --- ;;
|
|
;;================================================================================================;;
|
|
push edi eax
|
|
mov edi, [_buffer]
|
|
stdcall libini._.skip_spaces, [_f_addr]
|
|
@@: dec [_buf_len]
|
|
jz @f
|
|
stdcall libini._.get_char, [_f_addr]
|
|
cmp al, 13
|
|
je @f
|
|
cmp al, 10
|
|
je @f
|
|
stosb
|
|
or al, al
|
|
jnz @b
|
|
@@: stdcall libini._.unget_char, [_f_addr]
|
|
mov byte[edi], 0
|
|
dec edi
|
|
@@: cmp edi, [_buffer]
|
|
jb @f
|
|
cmp byte[edi], 32
|
|
ja @f
|
|
mov byte[edi], 0
|
|
dec edi
|
|
jmp @b
|
|
@@: pop eax edi
|
|
ret
|
|
endp
|
|
|
|
;;================================================================================================;;
|
|
proc libini._.str_to_int ;////////////////////////////////////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> esi = string buffer address ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< eax = binary number representation (no overflow checks made) ;;
|
|
;;================================================================================================;;
|
|
push edx
|
|
|
|
xor eax, eax
|
|
xor edx, edx
|
|
|
|
@@: lodsb
|
|
cmp al, '0'
|
|
jb @f
|
|
cmp al, '9'
|
|
ja @f
|
|
add eax, -'0'
|
|
imul edx, 10
|
|
add edx, eax
|
|
jmp @b
|
|
|
|
@@: dec esi
|
|
mov eax, edx
|
|
pop edx
|
|
ret
|
|
endp
|
|
|
|
;;================================================================================================;;
|
|
proc libini._.int_to_str ;////////////////////////////////////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? --- TBD --- ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> eax = number to convert ;;
|
|
;> ecx = base ;;
|
|
;> edi = string buffer address ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< --- TBD --- ;;
|
|
;;================================================================================================;;
|
|
push ecx edx
|
|
|
|
or eax, eax
|
|
jns @f
|
|
mov byte[edi], '-'
|
|
inc edi
|
|
@@: call .recurse
|
|
pop edx ecx
|
|
ret
|
|
|
|
.recurse:
|
|
cmp eax,ecx
|
|
jb @f
|
|
xor edx,edx
|
|
div ecx
|
|
push edx
|
|
call .recurse
|
|
pop eax
|
|
@@: cmp al,10
|
|
sbb al,0x69
|
|
das
|
|
stosb
|
|
retn
|
|
endp
|