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/programs/develop/libraries/libs-dev/libini/libini_p.asm
0,0 → 1,575
;;================================================================================================;;
;;//// 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 ;;
;; General Public License as published by the Free Software Foundation, either version 3 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 ;;
;; General Public License for more details. ;;
;; ;;
;; You should have received a copy of the GNU 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 ecx
;mov ecx,[f]
;inc [ecx+INIFILE.cnt]
;dec esi
;pop ecx
;ret
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]
@@: ;mov al,[esi-1]
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
@@: stdcall libini._.unget_char, [_f]
;inc [ecx+INIFILE.cnt]
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]
;inc [ecx+INIFILE.cnt]
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]
;inc [ecx+INIFILE.cnt]
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], SEEK_SET, eax
stdcall libini._.preload_block, ebx
add esi, eax ; ini.BLOCK_SIZE
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
;dec eax
@@: mov [ebx + IniFile.cnt], eax;ini.BLOCK_SIZE-1
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], SEEK_SET, [ebx + IniFile.pos]
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
; push eax
sub eax, ecx
; dec eax
invoke file.seek, ebx, SEEK_SET, eax
@@: invoke file.seek, ebx, SEEK_CUR, [_delta]
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;ini.BLOCK_SIZE
invoke file.seek,ebx,SEEK_CUR,eax
invoke file.write,ebx,[buf],ecx;ini.BLOCK_SIZE
jmp @b
.done:
mov eax, [_delta]
neg eax
invoke file.seek, ebx, SEEK_CUR, eax
invoke file.seteof, ebx
; pop eax
; invoke file.seek, ebx, SEEK_SET;, eax
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
; push eax
sub eax, ecx
lea edx, [eax - 1]
push edx
@@: invoke file.seek, ebx, SEEK_SET, edx
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, SEEK_SET, edx
invoke file.read, ebx, [buf], ini.BLOCK_SIZE
mov ecx, eax
mov eax, [_delta]
sub eax, ecx
invoke file.seek, ebx, SEEK_CUR, eax
invoke file.write, ebx, [buf], ecx
jmp @b
@@:
.skip.2:
add esp, 4
; mov eax,[delta]
; neg eax
; invoke file.seek,ebx,SEEK_CUR,eax
; pop eax
; invoke file.seek,ebx,SEEK_SET;,eax
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], SEEK_SET;, eax
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], SEEK_SET, 0
stdcall libini._.preload_block, [_f]
.next_section:
stdcall libini._.find_next_section, [_f]
or eax, eax
jnz .exit_error
stdcall libini._.get_char, [_f]
; inc esi
; dec [ecx + IniFile.cnt]
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 byte[edi], 32
ja @f
mov byte[edi], 0
dec edi
cmp edi, [_buffer]
jae @b
@@: pop eax edi
ret
endp