$Revision: 543 $
;-------------------------------------------------------------------------
;
; File path partial substitution (according to configuration)
;
;
; SPraid
;
;-------------------------------------------------------------------------
iglobal
; pointer to memory for path replace table,
; size of one record is 128 bytes: 64 bytes for search pattern + 64 bytes for replace string
; start with one entry: sys -> <sysdir>
full_file_name_table dd sysdir_name
.size dd 1
tmp_file_name_size dd 1
endg
uglobal
; Parser_params will initialize: sysdir_name = "sys", sysdir_path = <sysdir>
sysdir_name rb 64
sysdir_path rb 64
tmp_file_name_table dd ?
endg
; use bx_from_load and init system directory /sys
proc Parser_params
locals
buff db 4 dup(?) ; for test cd
endl
mov eax,[OS_BASE+0x10000+bx_from_load]
mov ecx,sysdir_path
mov [ecx-64],dword 'sys'
cmp al,'r' ; if ram disk
jnz @f
mov [ecx],dword 'RD/?'
mov [ecx+3],byte ah
mov [ecx+4],byte 0
ret
@@:
cmp al,'m' ; if ram disk
jnz @f
mov [ecx],dword 'CD?/' ; if cd disk {m}
mov [ecx+4],byte '1'
mov [ecx+5],dword '/KOL'
mov [ecx+9],dword 'IBRI'
mov [ecx+13],byte 0
.next_cd:
mov [ecx+2],byte ah
inc ah
cmp ah,'5'
je .not_found_cd
lea edx,[buff]
pushad
stdcall read_file,read_firstapp,edx,0,4
popad
cmp [edx],dword 'MENU'
jne .next_cd
jmp .ok
@@:
sub al,49
mov [ecx],dword 'HD?/' ; if hard disk
mov [ecx+2],byte al
mov [ecx+4],byte ah
mov [ecx+5],dword '/KOL'
mov [ecx+9],dword 'IBRI'
mov [ecx+13],byte 0
.ok:
.not_found_cd:
ret
endp
proc load_file_parse_table
stdcall kernel_alloc,0x1000
mov [tmp_file_name_table],eax
mov edi,eax
mov esi,sysdir_name
mov ecx,128/4
rep movsd
invoke ini.enum_keys,conf_fname,conf_path_sect,get_every_key
mov eax,[tmp_file_name_table]
mov [full_file_name_table],eax
mov eax,[tmp_file_name_size]
mov [full_file_name_table.size],eax
ret
endp
uglobal
def_val_1 db 0
endg
proc get_every_key stdcall, f_name, sec_name, key_name
mov esi, [key_name]
mov ecx, esi
cmp byte [esi], '/'
jnz @f
inc esi
@@:
mov edi, [tmp_file_name_size]
shl edi, 7
cmp edi, 0x1000
jae .stop_parse
add edi, [tmp_file_name_table]
lea ebx, [edi+64]
@@:
cmp edi, ebx
jae .skip_this_key
lodsb
test al, al
jz @f
or al, 20h
stosb
jmp @b
@@:
stosb
invoke ini.get_str, [f_name],[sec_name],ecx,ebx,64,def_val_1
cmp byte [ebx], '/'
jnz @f
lea esi, [ebx+1]
mov edi, ebx
mov ecx, 63
rep movsb
@@:
push ebp
mov ebp, [tmp_file_name_table]
mov ecx, [tmp_file_name_size]
jecxz .noreplace
mov eax, ecx
dec eax
shl eax, 7
add ebp, eax
.replace_loop:
mov edi, ebx
mov esi, ebp
@@:
lodsb
test al, al
jz .doreplace
mov dl, [edi]
inc edi
test dl, dl
jz .replace_loop_cont
or dl, 20h
cmp al, dl
jz @b
jmp .replace_loop_cont
.doreplace:
cmp byte [edi], 0
jz @f
cmp byte [edi], '/'
jnz .replace_loop_cont
@@:
lea esi, [ebp+64]
call .replace
jc .skip_this_key2
.replace_loop_cont:
sub ebp, 128
loop .replace_loop
.noreplace:
pop ebp
inc [tmp_file_name_size]
.skip_this_key:
xor eax, eax
inc eax
ret
.skip_this_key2:
pop ebp
jmp .skip_this_key
.stop_parse:
xor eax, eax
ret
endp
proc get_every_key.replace
; in: ebx->destination, esi->first part of name, edi->second part of name
; maximum length is 64 bytes
; out: CF=1 <=> overflow
; 1) allocate temporary buffer in stack
sub esp, 64
; 2) save second part of name to temporary buffer
push esi
lea esi, [esp+4] ; esi->tmp buffer
xchg esi, edi ; edi->tmp buffer, esi->source
@@:
lodsb
stosb
test al, al
jnz @b
; 3) copy first part of name to destination
pop esi
mov edi, ebx
@@:
lodsb
test al, al
jz @f
stosb
jmp @b
@@:
; 4) restore second part of name from temporary buffer to destination
; (may cause overflow)
lea edx, [ebx+64] ; limit of destination
mov esi, esp
@@:
cmp edi, edx
jae .overflow
lodsb
stosb
test al, al
jnz @b
; all is OK
add esp, 64 ; CF is cleared
ret
.overflow:
; name is too long
add esp, 64
stc
ret
endp