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;;================================================================================================;;

;;//// libini.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 .                                                    ;;

;;                                                                                                ;;

;;================================================================================================;;

;;                                                                                                ;;

;; 2009-03-08 (mike.dld)                                                                          ;;

;;   bug-fixes:                                                                                   ;;

;;     - moved buffer bound check in libini._.low.read_value up (reported by Insolor)             ;;

;;   new features:                                                                                ;;

;;     - comments support (char is ini.COMMENT_CHAR, defaults to ';')                             ;;

;;       inline comments are not supported                                                        ;;

;; 2008-12-29 (mike.dld)                                                                          ;;

;;   bug-fixes:                                                                                   ;;

;;     - unnecessary 'stosb' in ini.get_str was causing problems                                  ;;

;;   new features:                                                                                ;;

;;     - new functions: ini.get_color and ini.set_color                                           ;;

;; 2008-08-06 (mike.dld)                                                                          ;;

;;   changes:                                                                                     ;;

;;     - split private procs into libini_p.asm, added comments                                    ;;

;; 2008-02-07 (mike.dld)                                                                          ;;

;;   changes:                                                                                     ;;

;;     - renamed all *.aux.* to *._.* to match overall libraries design                           ;;

;; 2007-09-26 (mike.dld)                                                                          ;;

;;   bug-fixes:                                                                                   ;;

;;     - value was not correctly trimmed (reported by diamond)                                    ;;

;; 2007-08-01 (mike.dld)                                                                          ;;

;;   bug-fixes:                                                                                   ;;

;;     - serious defect in ini.set_str causing displaced write operations                         ;;

;;       (reported by diamond)                                                                    ;;

;;     - another serious defect in ini.enum_keys introduced with refactoring                      ;;

;;   changes:                                                                                     ;;

;;     - callback for enum_keys now takes additional parameter - key value                        ;;

;;     - handling trailing spaces in section/key/value                                            ;;

;; 2007-05-19 (mike.dld)                                                                          ;;

;;   bug-fixes:                                                                                   ;;

;;     - last char still wasn't read correctly                                                    ;;

;;     - digits of number were reversed when using ini.set_int                                    ;;

;;     - now using 'ini.aux.unget_char' instead of dangerous 'dec esi'                            ;;

;;   changes:                                                                                     ;;

;;     - all non-public functions now start with ini.aux.*                                        ;;

;;     - added ini.enum_sections and ini.enum_keys                                                ;;

;;     - removed ini.query_sec (use ini.enum_* instead)                                           ;;

;;                                                                                                ;;

;;================================================================================================;;

format MS COFF

public @EXPORT as 'EXPORTS'

include '../../../../proc32.inc'

include '../../../../macros.inc'

include '../libio/libio.inc'

purge section,mov,add,sub

include 'libini_p.inc'

section '.flat' code readable align 16

include 'libini_p.asm'

;;================================================================================================;;

proc ini.enum_sections _f_name, _callback ;///////////////////////////////////////////////////////;;

;;------------------------------------------------------------------------------------------------;;

;? Enumerate sections, calling callback function for each of them                                 ;;

;;------------------------------------------------------------------------------------------------;;

;> _f_name = ini filename                                                                 ;;

;> _callback = callback function address: func(f_name, sec_name), where                           ;;

;>   f_name = ini filename (as passed to the function)                                    ;;

;>   sec_name = section name found                                                        ;;

;;------------------------------------------------------------------------------------------------;;

;< eax = -1 (error) / 0                                                                           ;;

;;================================================================================================;;

locals

  f       IniFile

  f_addr  dd ?

  sec_buf dd ?

endl

        push    ebx esi edi

        cld

        invoke  mem.alloc, ini.MAX_NAME_LEN

        or      eax, eax

        jz      .exit_error.2

        mov     [sec_buf], eax

        xor     eax, eax

        mov     [f.fh], eax

        mov     [f.buf], eax

        invoke  file.open, [_f_name], O_READ

        cmp     eax, 32

        jb      .exit_file_error

        mov     [f.fh], eax

        invoke  mem.alloc, ini.MEM_SIZE

        or      eax, eax

        jz      .exit_error

        mov     [f.buf], eax

        lea     ebx, [f]

        mov     [f_addr], ebx

        invoke  file.seek, [f.fh], 0, SEEK_SET

        stdcall libini._.preload_block, [f_addr]

  .next_section:

        stdcall libini._.find_next_section, [f_addr]

        or      eax, eax

        jnz     .exit_error

        stdcall libini._.get_char, [f_addr]

        stdcall libini._.skip_spaces, [f_addr]

        mov     edi, [sec_buf]

    @@: stdcall libini._.get_char, [f_addr]

        cmp     al, ']'

        je      @f

        or      al, al

        jz      .exit_ok

        cmp     al, 13

        je      .next_section

        cmp     al, 10

        je      .next_section

        stosb

        jmp     @b

    @@: xor     al, al

        stosb

        add     edi, -2

    @@: cmp     byte[edi], 32

        ja      @f

        mov     byte[edi], 0

        dec     edi

        jmp     @b

    @@:

        pushad

        mov     eax, [f_addr]

        stdcall [_callback], [_f_name], [sec_buf]

        or      eax, eax

        popad

        jnz     .next_section

  .exit_ok:

        invoke  file.close, [f.fh]

        invoke  mem.free, [f.buf]

        invoke  mem.free, [sec_buf]

        xor     eax, eax

        pop     edi esi ebx

        ret

  .exit_error:

        invoke  file.close, [f.fh]

        invoke  mem.free, [f.buf]

  .exit_file_error:

        invoke  mem.free, [sec_buf]

  .exit_error.2:

        or      eax, -1

        pop     edi esi ebx

        ret

endp

;;================================================================================================;;

proc ini.enum_keys _f_name, _sec_name, _callback ;////////////////////////////////////////////////;;

;;------------------------------------------------------------------------------------------------;;

;? Enumerate keys within a section, calling callback function for each of them                    ;;

;;------------------------------------------------------------------------------------------------;;

;> _f_name = ini filename                                                                 ;;

;> _sec_name = section name                                                               ;;

;> _callback = callback function address: func(f_name, sec_name, key_name, key_value), where      ;;

;>   f_name = ini filename (as passed to the function)                                    ;;

;>   sec_name = section name (as passed to the function)                                  ;;

;>   key_name = key name found                                                            ;;

;>   key_value = value of key found                                                       ;;

;;------------------------------------------------------------------------------------------------;;

;< eax = -1 (error) / 0                                                                           ;;

;;================================================================================================;;

locals

  f       IniFile

  f_addr  dd ?

  key_buf dd ?

  val_buf dd ?

endl

        push    ebx esi edi

        cld

        invoke  mem.alloc, ini.MAX_NAME_LEN

        or      eax, eax

        jz      .exit_error.3

        mov     [key_buf], eax

        invoke  mem.alloc, ini.MAX_VALUE_LEN

        or      eax, eax

        jz      .exit_error.2

        mov     [val_buf], eax

        xor     eax, eax

        mov     [f.fh], eax

        mov     [f.buf], eax

        invoke  file.open, [_f_name], O_READ

        cmp     eax, 32

        jb      .exit_file_error

        mov     [f.fh], eax

        invoke  mem.alloc, ini.MEM_SIZE

        or      eax, eax

        jz      .exit_error

        mov     [f.buf], eax

        lea     ebx, [f]

        mov     [f_addr], ebx

        stdcall libini._.find_section, ebx, [_sec_name]

        or      eax, eax

        jnz     .exit_error

  .next_key:

        stdcall libini._.skip_line, [f_addr]

        stdcall libini._.skip_nonblanks, [f_addr]

        or      al, al

        jz      .exit_error

        cmp     al, '['

        je      .exit_error

        mov     edi, [key_buf]

    @@: stdcall libini._.get_char, [f_addr]

        or      al, al

        jz      .exit_error

        cmp     al, '='

        je      @f

        stosb

        jmp     @b

    @@:

        xor     al, al

        stosb

        add     edi, -2

    @@: cmp     byte[edi], 32

        ja      @f

        mov     byte[edi], 0

        dec     edi

        jmp     @b

    @@: stdcall libini._.low.read_value, [f_addr], [val_buf], ini.MAX_VALUE_LEN

        pushad

        stdcall [_callback], [_f_name], [_sec_name], [key_buf], [val_buf]

        or      eax, eax

        popad

        jnz     .next_key

    @@: invoke  file.close, [f.fh]

        invoke  mem.free, [f.buf]

        xor     eax, eax

        stosb

        pop     edi esi ebx

        ret

  .exit_error:

        invoke  file.close, [f.fh]

        invoke  mem.free, [f.buf]

  .exit_file_error:

        invoke  mem.free, [val_buf]

  .exit_error.2:

        invoke  mem.free, [key_buf]

  .exit_error.3:

        or      eax, -1

        pop     edi esi ebx

        ret

endp

;;================================================================================================;;

proc ini.get_str _f_name, _sec_name, _key_name, _buffer, _buf_len, _def_val ;/////////////////////;;

;;------------------------------------------------------------------------------------------------;;

;? Read string                                                                                    ;;

;;------------------------------------------------------------------------------------------------;;

;> _f_name = ini filename                                                                 ;;

;> _sec_name = section name                                                               ;;

;> _key_name = key name                                                                   ;;

;> _buffer = destination buffer address                                                    ;;

;> _buf_len = buffer size (maximum bytes to read)                                          ;;

;> _def_val = default value to return if no key, section or file found                    ;;

;;------------------------------------------------------------------------------------------------;;

;< eax = -1 (error) / 0                                                                           ;;

;< [_buffer] = [_def_val] (error) / found key value                                       ;;

;;================================================================================================;;

locals

  f      IniFile

  f_addr dd ?

endl

        push    ebx esi edi

        xor     eax, eax

        mov     [f.fh], eax

        mov     [f.buf], eax

        invoke  file.open, [_f_name], O_READ

        cmp     eax, 32

        jb      .exit_file_error

        mov     [f.fh], eax

        invoke  mem.alloc, ini.MEM_SIZE

        or      eax, eax

        jz      .exit_error

        mov     [f.buf], eax

        lea     ebx, [f]

        mov     [f_addr], ebx

        stdcall libini._.find_section, ebx, [_sec_name]

        or      eax, eax

        jnz     .exit_error

        stdcall libini._.find_key, ebx, [_key_name]

        or      eax, eax

        jnz     .exit_error

        stdcall libini._.low.read_value, [f_addr], [_buffer], [_buf_len]

    @@: invoke  file.close, [f.fh]

        invoke  mem.free, [f.buf]

        xor     eax, eax

        pop     edi esi ebx

        ret

  .exit_error:

        invoke  file.close, [f.fh]

        invoke  mem.free, [f.buf]

  .exit_file_error:

        mov     edi, [_buffer]

        mov     esi, [_def_val]

        xor     al, al

        or      esi, esi

        jz      .exit_error.2

    @@: lodsb

  .exit_error.2:

        stosb

        or      al, al

        jnz     @b

        or      eax, -1

        pop     edi esi ebx

        ret

endp

;;================================================================================================;;

proc ini.set_str _f_name, _sec_name, _key_name, _buffer, _buf_len ;///////////////////////////////;;

;;------------------------------------------------------------------------------------------------;;

;? Write string                                                                                   ;;

;;------------------------------------------------------------------------------------------------;;

;> _f_name = ini filename                                                                 ;;

;> _sec_name = section name                                                               ;;

;> _key_name = key name                                                                   ;;

;> _buffer = source buffer address                                                         ;;

;> _buf_len = buffer size (bytes to write)                                                 ;;

;;------------------------------------------------------------------------------------------------;;

;< eax = -1 (error) / 0                                                                           ;;

;;================================================================================================;;

locals

  f      IniFile

  f_addr dd ?

endl

        push    ebx esi edi

        xor     eax, eax

        mov     [f.fh], eax

        mov     [f.buf], eax

        invoke  file.open, [_f_name], O_READ + O_WRITE + O_CREATE

        cmp     eax, 32

        jb      .exit_file_error

        mov     [f.fh], eax

        invoke  mem.alloc, ini.MEM_SIZE

        or      eax, eax

        jz      .exit_error

        mov     [f.buf], eax

        lea     ebx, [f]

        mov     [f_addr], ebx

        stdcall libini._.find_section, ebx, [_sec_name]

        or      eax, eax

        jnz     .create_section

        stdcall libini._.find_key, ebx, [_key_name]

        or      eax, eax

        jnz     .create_key

  .modify_key:

        stdcall libini._.get_value_length, [f_addr]

        sub     eax, [_buf_len]

        stdcall libini._.shift_content, [f_addr], eax

  .modify_key.ex:

        invoke  file.tell, [f.fh]

        sub     eax, [f.cnt]

        invoke  file.seek, [f.fh], eax, SEEK_SET

        invoke  file.write, [f.fh], [_buffer], [_buf_len]

        invoke  file.close, [f.fh]

        pop     edi esi ebx

        xor     eax, eax

        ret

  .create_key:

        mov     edi, [f.buf]

        add     edi, ini.BLOCK_SIZE

        push    edi

  .create_key.ex:

        mov     esi, [_key_name]

        call    libini._.string_copy

        mov     byte[edi], '='

        inc     edi

        mov     esi, [_buffer]

        mov     ecx, [_buf_len]

        rep     movsb

        mov     word[edi], 0x0A0D

        add     edi, 2

        mov     eax, edi

        pop     edi

        sub     eax, edi

        mov     [_buffer], edi

        mov     [_buf_len], eax

        neg     eax

        stdcall libini._.shift_content, [f_addr], eax

        jmp     .modify_key.ex

  .create_section:

        mov     edi, [f.buf]

        add     edi, ini.BLOCK_SIZE

        push    edi

        mov     esi, [_sec_name]

        mov     byte[edi], '['

        inc     edi

        call    libini._.string_copy

        mov     dword[edi], ']' + (0x0A0D shl 8)

        add     edi, 3

        jmp     .create_key.ex

  .exit_error:

        invoke  file.close, [f.fh]

  .exit_file_error:

        pop     edi esi ebx

        or      eax, -1

        ret

endp

;;================================================================================================;;

proc ini.get_int _f_name, _sec_name, _key_name, _def_val ;////////////////////////////////////////;;

;;------------------------------------------------------------------------------------------------;;

;? Read integer                                                                                   ;;

;;------------------------------------------------------------------------------------------------;;

;> _f_name = ini filename                                                                 ;;

;> _sec_name = section name                                                               ;;

;> _key_name = key name                                                                   ;;

;> _def_val = default value to return if no key, section or file found                     ;;

;;------------------------------------------------------------------------------------------------;;

;< eax = [_def_val] (error) / found key value                                              ;;

;;================================================================================================;;

locals

  f      IniFile

  f_addr dd ?

endl

        push    edx ebx esi edi

        xor     eax, eax

        mov     [f.fh], eax

        mov     [f.buf], eax

        invoke  file.open, [_f_name], O_READ

        cmp     eax, 32

        jb      .exit_file_error

        mov     [f.fh], eax

        invoke  mem.alloc, ini.MEM_SIZE

        or      eax, eax

        jz      .exit_error

        mov     [f.buf], eax

        lea     ebx, [f]

        mov     [f_addr], ebx

        stdcall libini._.find_section, ebx, [_sec_name]

        or      eax, eax

        jnz     .exit_error

        stdcall libini._.find_key, ebx, [_key_name]

        or      eax, eax

        jnz     .exit_error

        stdcall libini._.skip_spaces, [f_addr]

        xor     eax, eax

        xor     ebx, ebx

        xor     edx, edx

        stdcall libini._.get_char, [f_addr]

        cmp     al, '-'

        jne     .lp1

        inc     bh

    @@: stdcall libini._.get_char, [f_addr]

  .lp1: cmp     al, '0'

        jb      @f

        cmp     al, '9'

        ja      @f

        inc     bl

        add     eax, -'0'

        imul    edx, 10

        add     edx, eax

        jmp     @b

    @@:

        or      bl, bl

        jz      .exit_error

        or      bh, bh

        jz      @f

        neg     edx

    @@: invoke  file.close, [f.fh]

        invoke  mem.free, [f.buf]

        mov     eax, edx

        pop     edi esi ebx edx

        ret

  .exit_error:

        invoke  file.close, [f.fh]

  .exit_file_error:

        invoke  mem.free, [f.buf]

        mov     eax, [_def_val]

        pop     edi esi ebx edx

        ret

endp

;;================================================================================================;;

proc ini.set_int _f_name, _sec_name, _key_name, _val ;////////////////////////////////////////////;;

;;------------------------------------------------------------------------------------------------;;

;? Write integer                                                                                  ;;

;;------------------------------------------------------------------------------------------------;;

;> _f_name = ini filename                                                                 ;;

;> _sec_name = section name                                                               ;;

;> _key_name = key name                                                                   ;;

;> _val = value                                                                            ;;

;;------------------------------------------------------------------------------------------------;;

;< eax = -1 (error) / 0                                                                           ;;

;;================================================================================================;;

locals

  buf rb 16

  bNeg rd 1

endl

        push    ecx edx edi

        lea     edi, [buf]

        add     edi, 15

        mov     eax, [_val]

        mov     [bNeg],0

        or      eax, eax

        jns     @f

        mov     [bNeg],1

        neg     eax

    @@: mov     ecx, 10

    @@: xor     edx, edx

        idiv    ecx

        add     dl, '0'

        mov     [edi], dl

        dec     edi

        or      eax, eax

        jnz     @b

        cmp     [bNeg],0

        je      @f

        mov     byte[edi], '-'

        dec     edi

     @@:

        lea     eax, [buf]

        add     eax, 15

        sub     eax, edi

        inc     edi

        stdcall ini.set_str, [_f_name], [_sec_name], [_key_name], edi, eax

        pop     edi edx ecx

        ret

endp

;;================================================================================================;;

proc ini.get_color _f_name, _sec_name, _key_name, _def_val ;//////////////////////////////////////;;

;;------------------------------------------------------------------------------------------------;;

;? Read color                                                                                     ;;

;;------------------------------------------------------------------------------------------------;;

;> _f_name = ini filename                                                                 ;;

;> _sec_name = section name                                                               ;;

;> _key_name = key name                                                                   ;;

;> _def_val = default value to return if no key, section or file found                     ;;

;;------------------------------------------------------------------------------------------------;;

;< eax = [_def_val] (error) / found key value                                              ;;

;;================================================================================================;;

locals

  buf rb 14

endl

        push    ebx esi edi

        lea     esi, [buf]

        stdcall ini.get_str, [_f_name], [_sec_name], [_key_name], esi, 14, 0

        cmp     byte[esi],0

        je      .exit_error

        xor     ebx, ebx

        stdcall libini._.str_to_int

        movzx   ebx, al

        shl     ebx, 16

        lodsb

        cmp     al, ','

        jne     @f

        stdcall libini._.str_to_int

        mov     bh, al

        lodsb

        cmp     al, ','

        jne     @f

        stdcall libini._.str_to_int

        mov     bl, al

    @@: mov     eax, ebx

        pop     edi esi ebx

        ret

  .exit_error:

        mov     eax, [_def_val]

        pop     edi esi ebx

        ret

endp

;;================================================================================================;;

proc ini.set_color _f_name, _sec_name, _key_name, _val ;//////////////////////////////////////////;;

;;------------------------------------------------------------------------------------------------;;

;? Write color                                                                                    ;;

;;------------------------------------------------------------------------------------------------;;

;> _f_name = ini filename                                                                 ;;

;> _sec_name = section name                                                               ;;

;> _key_name = key name                                                                   ;;

;> _val = value                                                                            ;;

;;------------------------------------------------------------------------------------------------;;

;< eax = -1 (error) / 0                                                                           ;;

;;================================================================================================;;

locals

  buf rb 16

endl

        push    ecx edx edi

        lea     edi, [buf]

        mov     ecx, 10

        mov     ebx, [_val]

        mov     eax, ebx

        shr     eax, 16

        and     eax, 0x0ff

        stdcall libini._.int_to_str

        mov     byte[edi], ','

        inc     edi

        movzx   eax, bh

        stdcall libini._.int_to_str

        mov     byte[edi], ','

        inc     edi

        movzx   eax, bl

        stdcall libini._.int_to_str

        lea     eax, [buf]

        sub     edi, eax

        stdcall ini.set_str, [_f_name], [_sec_name], [_key_name], eax, edi

        pop     edi edx ecx

        ret

endp

;;================================================================================================;;

proc ini.del_section _f_name, _sec_name ;/////////////////////////////////////////////////////////;;

;;------------------------------------------------------------------------------------------------;;

;? Delete section and all key in this section                                                     ;;

;;------------------------------------------------------------------------------------------------;;

;> _f_name = ini filename                                                                 ;;

;> _sec_name = section name                                                               ;;

;;------------------------------------------------------------------------------------------------;;

;< eax = 0 - success                                                                              ;;

;<      -1 - file not found                                                                       ;;

;<       1 - section not found                                                                    ;;

;;================================================================================================;;

locals

   funcFile     rb 25

   fileInfo     rb 40

   begMem       rd 1

   endMem       rd 1

   begDel       rd 1

   endDel       rd 1

endl

        push    ebx ecx edi esi

        mov     dword[funcFile],5               ;get file info

        mov     dword[funcFile+4],0

        mov     dword[funcFile+8],0

        mov     dword[funcFile+12],0

        lea     eax,[fileInfo]

        mov     dword[funcFile+16],eax

        mov     byte[funcFile+20],0

        m2m     dword[funcFile+21],[_f_name]

        lea     ebx,[funcFile]

        mcall   70

        test    eax,eax

        jz      @f

        or      eax,-1

        pop     esi edi ecx ebx

        ret

      @@:

        mov     ecx,dword[fileInfo+32]          ;allocation mem for all file

        mcall   68,12

        mov     [begMem],eax

        mov     [endMem],eax

        add     [endMem],ecx

        mov     dword[funcFile],0               ;read file to buffer

        mov     dword[funcFile+12],ecx

        mov     dword[funcFile+16],eax

        lea     ebx,[funcFile]

        mcall   70

        mov     edi,[begMem]                    ;search begin section

        jmp     .searchSect

    .NoFindSect:

        mov     edi,[begDel]

    .searchSect:

        mov     al,'['

        repne   scasb

        test    ecx,ecx

        jnz     @f

        pop     esi edi ecx ebx

        mov     eax,1

        ret

      @@:

        mov     [begDel],edi

        mov     esi,[_sec_name]

      @@:

        lodsb

        test    al,al

        jz      @f

        scasb

        jne     .NoFindSect

        jmp     @b

      @@:

        cmp     byte[edi],']'

        jne     .NoFindSect

        mov     edi,[begDel]

        dec     [begDel]

                                       ;search end section

    .searchEndSect:

        mov     al,'['

        repne   scasb

        dec     edi

        mov     [endDel],edi

        test    ecx,ecx

        jnz     @f

        jmp     .SaveToFile

      @@:

        mov     esi,[endDel]

        mov     edi,[begDel]

   @@:  lodsb

        stosb

        cmp     esi,[endMem]

        jb      @b

   .SaveToFile:

        mov     eax,dword[funcFile+12]

        sub     eax,[endDel]

        add     eax,[begDel]

        dec     eax

        mov     dword[funcFile],2               ;write buffer to file

        mov     dword[funcFile+12],eax

        m2m     dword[funcFile+16],[begMem]

        lea     ebx,[funcFile]

        mcall   70

        xor     eax,eax

        pop     esi edi ecx ebx

        ret

endp

;;================================================================================================;;

proc ini.get_shortcut _f_name, _sec_name, _key_name, _def_val, _modifiers ;///////////////////////;;

;;------------------------------------------------------------------------------------------------;;

;? Read shortcut key                                                                              ;;

;;------------------------------------------------------------------------------------------------;;

;> _f_name = ini filename                                                                 ;;

;> _sec_name = section name                                                               ;;

;> _key_name = key name                                                                   ;;

;> _def_val = default value to return if no key, section or file found                     ;;

;> _modifiers = pointer to dword variable which receives modifiers state as in 66.4       ;;

;;------------------------------------------------------------------------------------------------;;

;< eax = [_def_val] (error) / shortcut key value as scancode                                 ;;

;< [[_modifiers]] = unchanged (error) / modifiers state for this shortcut                    ;;

;;================================================================================================;;

locals

  buf rb 64

endl

        push    ebx esi edi

        lea     esi, [buf]

        stdcall ini.get_str, [_f_name], [_sec_name], [_key_name], esi, 64, 0

        cmp     byte[esi],0

        je      .exit_error

        xor     ebx, ebx        ; ebx holds the value of modifiers

.loop:

; test for end

        xor     eax, eax

        cmp     byte [esi], al

        jz      .exit_ok        ; exit with scancode zero

; skip all '+'s

        cmp     byte [esi], '+'

        jnz     @f

        inc     esi

        jmp     .loop

@@:

; test for names

        mov     edi, .names_table

        xor     edx, edx

.names_loop:

        movzx   ecx, byte [edi]

        inc     edi

        push    esi

@@:

        lodsb

        or      al, 20h

        scasb

        loopz   @b

        jz      .name_found

        pop     esi

        lea     edi, [edi+ecx+4]

        inc     edx

        cmp     byte [edi], 0

        jnz     .names_loop

; special test: functional keys F

        cmp     byte [esi], 'f'

        jz      @f

        cmp     byte [esi], 'F'

        jnz     .no_fx

@@:

        mov     edi, esi

        inc     esi

        call    libini._.str_to_int

        test    eax, eax

        jnz     .fx

        mov     esi, edi

.no_fx:

; name not found, that must be usual key

        movzx   eax, byte [esi]

        stdcall libini._.ascii_to_scan, eax

        test    eax, eax

        jz      .exit_error

; all is ok

.exit_ok:

        mov     ecx, [_modifiers]

        test    ecx, ecx

        jz      @f

        mov     [ecx], ebx

@@:

        pop     edi esi ebx

        ret

.exit_error:

        mov     eax, [_def_val]

        pop     edi esi ebx

        ret

; handler for Fx

; eax = number

.fx:

        cmp     eax, 10

        ja      @f

        add     eax, 3Bh-1

        jmp     .exit_ok

@@:

        add     eax, 57h-11

        jmp     .exit_ok

; handlers for names

.name_found:

        pop     eax     ; ignore saved esi

        call    dword [edi]

        cmp     edx, .num_modifiers

        jae     .exit_ok

        jmp     .loop

; modifiers

; syntax of value for each modifier:

; 0 = none, 1 = exactly one of L+R, 2 = both L+R, 3 = L, 4 = R

; Logic for switching: LShift+RShift=LShift+Shift=Shift+Shift, LShift+LShift=LShift

; generic modifier: 0->1->2->2, 3->2, 4->2

; left modifier: 0->3->3, 1->2->2, 4->2

; right modifier: 0->4->4, 1->2->2, 3->2

; Shift corresponds to first hex digit, Ctrl - second, Alt - third

macro shortcut_handle_modifiers name,reg,shift

{

local .set2,.set3,.set4

.#name#_handler:        ; generic modifier

        test    reg, 0xF

        jnz     .set2

if shift

        or      reg, 1 shl shift

else

        inc     reg

end if

        retn

.set2:

        and     reg, not (0xF shl shift)

        or      reg, 2 shl shift

        retn

.l#name#_handler:

        mov     al, reg

        and     al, 0xF shl shift

        jz      .set3

        cmp     al, 3 shl shift

        jnz     .set2

        retn

.set3:

        add     reg, 3 shl shift

        retn

.r#name#_handler:

        mov     al, reg

        and     al, 0xF shl shift

        jz      .set4

        cmp     al, 4 shl shift

        jnz     .set2

        retn

.set4:

        add     reg, 4 shl shift

        retn

}

shortcut_handle_modifiers shift,bl,0

shortcut_handle_modifiers ctrl,bl,4

shortcut_handle_modifiers alt,bh,0

; names of keys

.name_handler:

        movzx   eax, byte [.names_scancodes+edx-.num_modifiers]

        retn

endp

; note: comparison ignores case, so this table keeps lowercase names

; macro does this

macro shortcut_name_with_handler name,handler

{

local .start, .end

        db      .end - .start

.start:

        db      name

.end:

repeat .end - .start

        load .a byte from .start + % - 1

        store byte .a or 0x20 at .start + % - 1

end repeat

        dd      handler

}

macro shortcut_name [name]

{

        shortcut_name_with_handler name, .name_handler

}

; all names here must be in english

; ... or modify lowercasing in macro and in comparison

.names_table:

; generic modifiers

        shortcut_name_with_handler 'Ctrl', .ctrl_handler

        shortcut_name_with_handler 'Alt', .alt_handler

        shortcut_name_with_handler 'Shift', .shift_handler

; concrete modifiers

        shortcut_name_with_handler 'LCtrl', .lctrl_handler

        shortcut_name_with_handler 'RCtrl', .rctrl_handler

        shortcut_name_with_handler 'LAlt', .lalt_handler

        shortcut_name_with_handler 'RAlt', .ralt_handler

        shortcut_name_with_handler 'LShift', .lshift_handler

        shortcut_name_with_handler 'RShift', .rshift_handler

.num_modifiers = 9

; symbolic names of keys

        shortcut_name 'Home', 'End', 'PgUp', 'PgDn', 'Ins', 'Insert', 'Del', 'Delete'

        shortcut_name 'Tab', 'Plus', 'Esc', 'Enter', 'Backspace', 'Space', 'Left', 'Right'

        shortcut_name 'Up', 'Down'

; end of table

        db      0

ini.get_shortcut.names_scancodes:

; scancodes for 'Home' ... 'Down'

        db      47h, 4Fh, 49h, 51h, 52h, 52h, 53h, 53h

        db      0Fh, 4Eh, 01h, 1Ch, 0Eh, 39h, 4Bh, 4Dh

        db      48h, 50h

;;================================================================================================;;

;;////////////////////////////////////////////////////////////////////////////////////////////////;;

;;================================================================================================;;

;! Imported functions section                                                                     ;;

;;================================================================================================;;

;;////////////////////////////////////////////////////////////////////////////////////////////////;;

;;================================================================================================;;

align 16

@IMPORT:

library \

        libio , 'libio.obj'

import  libio                       , \

        file.size   , 'file_size'   , \

        file.open   , 'file_open'   , \

        file.read   , 'file_read'   , \

        file.write  , 'file_write'  , \

        file.seek   , 'file_seek'   , \

        file.eof?   , 'file_iseof'  , \

        file.seteof , 'file_seteof' , \

        file.tell   , 'file_tell'   , \

        file.close  , 'file_close'

;;================================================================================================;;

;;////////////////////////////////////////////////////////////////////////////////////////////////;;

;;================================================================================================;;

;! Exported functions section                                                                     ;;

;;================================================================================================;;

;;////////////////////////////////////////////////////////////////////////////////////////////////;;

;;================================================================================================;;

align 16

@EXPORT:

export                                            \

        libini._.init     , 'lib_init'          , \

        0x00080009        , 'version'           , \

        ini.enum_sections , 'ini_enum_sections' , \

        ini.enum_keys     , 'ini_enum_keys'     , \

        ini.get_str       , 'ini_get_str'       , \

        ini.get_int       , 'ini_get_int'       , \

        ini.get_color     , 'ini_get_color'     , \

        ini.set_str       , 'ini_set_str'       , \

        ini.set_int       , 'ini_set_int'       , \

        ini.set_color     , 'ini_set_color'     , \

        ini.get_shortcut  , 'ini_get_shortcut'  , \

        ini.del_section   , 'ini_del_section'