Subversion Repositories Kolibri OS

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;;                                                                 ;;

;; Copyright (C) KolibriOS team 2004-2018. All rights reserved.    ;;

;; Distributed under terms of the GNU General Public License       ;;

;;                                                                 ;;

;;   Written by hidnplayr@kolibrios.org                            ;;

;;                                                                 ;;

;;         GNU GENERAL PUBLIC LICENSE                              ;;

;;          Version 2, June 1991                                   ;;

;;                                                                 ;;

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user_parser:

        mov     ebp, [window_active]                    ; print to the current window

        mov     [window_print], ebp

        mov     ecx, [edit1.size]

        test    ecx, ecx

        jz      .ret                                    ; ignore empty commands

        mov     esi, input_text

        mov     edi, user_command

        call    recode                                  ; Convert to UTF-8

        mov     word[edi], 0x0a0d                       ; terminate the line

        sub     edi, user_command

        mov     [user_command.size], edi

        cmp     byte[user_command], '/'                 ; is it a server command ?

        je      .command

        cmp     [status], STATUS_LOGGED_IN

        jne     .not_loggedin

        cmp     [ebp + window.type], WINDOWTYPE_CHANNEL

        je      .send_privmsg

        cmp     [ebp + window.type], WINDOWTYPE_CHAT

        jne     .not_channel

  .send_privmsg:

        if TIMESTAMP

        call    print_timestamp

        end if

        mov     al, '<'

        call    print_char

        mov     esi, user_nick

        call    print_asciiz

        mov     al, '>'

        call    print_char

        mov     al, ' '

        call    print_char

        mov     eax, [user_command.size]

        mov     byte[user_command + eax],0

        mov     esi, user_command

        call    print_asciiz

        mov     al, 10

        call    print_char

; and now send it to the server

        mov     dword[packetbuf], 'PRIV'

        mov     dword[packetbuf+4], 'MSG '

        lea     esi, [ebp + window.name]

        mov     edi, packetbuf+8

        mov     ecx, MAX_WINDOWNAME_LEN

  .loop:

        lodsb

        test    al, al

        jz      .done

        stosb

        dec     ecx

        jnz     .loop

  .done:

        mov     ax, ' :'

        stosw

        mov     esi, user_command

        mov     ecx, [user_command.size]

;        inc     ecx

        rep     movsb

; end the command with a CRLF

        mov     ax, 0x0a0d

        stosw

        lea     esi, [edi - packetbuf]

        mcall   send, [socketnum], packetbuf, , 0

  .ret:

        ret

; Text begins with a '/' lets try to find the command in the lookup table.

  .command:

        mov     eax, dword[user_command+1]      ; skip '/'

        or      eax, 0x20202020                 ; convert to lowercase

        mov     edi, user_commands

        mov     ecx, user_commands.number

        cmp     [status], STATUS_CONNECTED

        jae     .cmd_loop

        mov     ecx, user_commands.number2

  .cmd_loop:

        scasd

        je      .got_cmd

        add     edi, 4

        dec     ecx

        jnz     .cmd_loop

        cmp     [status], STATUS_CONNECTED

        jb      .not_connected

; Commands shorter then 3 chars are placed here

        and     eax, 0x00ffffff

        cmp     eax, 'me '

        je      cmd_usr_me

; If none of the listed commands, send text straight to server

        jmp     cmd_usr_send

  .got_cmd:

        jmp     dword[edi]

  .not_loggedin:

        mov     esi, str_notloggedin

        call    print_asciiz

        ret

  .not_connected:

        mov     esi, str_notconnected

        call    print_asciiz

        ret

  .not_channel:

        mov     esi, str_notchannel

        call    print_asciiz

        ret

; user commands lookup table

user_commands:

        dd      'nick', cmd_usr_nick

        dd      'real', cmd_usr_real

        dd      'serv', cmd_usr_server

        dd      'help', cmd_usr_help

        dd      'code', cmd_usr_code

        .number2 = ($ - user_commands) / 8

; All following commands require a connection to the server.

        dd      'quer', cmd_usr_quer

        dd      'quit', cmd_usr_quit

        dd      'part', cmd_usr_part

        dd      'ctcp', cmd_usr_ctcp

        dd      'msg ', cmd_usr_msg

        .number = ($ - user_commands) / 8

cmd_usr_msg:

        lea     esi, [user_command+5]

        mov     dword[packetbuf], 'PRIV'

        mov     dword[packetbuf+4], 'MSG '

        lea     edi, [packetbuf+8]

  @@:

        lodsb

        test    al, al

        jz      .fail

        cmp     al, 10

        je      .fail

        cmp     al, 13

        je      .fail

        stosb

        cmp     al, ' '

        jne     @r

        mov     al, ':'

        stosb

        push    edi

  @@:

        lodsb

        test    al, al

        jz      @f

        cmp     al, 10

        je      @f

        cmp     al, 13

        je      @f

        stosb

        jmp     @r

  @@:

; end the command with a CRLF

        mov     ax, 0x0a0d

        stosw

        mov     byte[edi], 0

; now print to the window

        if TIMESTAMP

        call    print_timestamp

        end if

        mov     esi, msg_header

        call    print_asciiz

        mov     esi, packetbuf+8

        mov     bl, ' '

        call    print_string

        mov     al, '*'

        call    print_char

        mov     al, ' '

        call    print_char

        pop     esi

        push    esi

        call    print_asciiz

        pop     esi

        lea     esi, [edi - packetbuf]

        mcall   send, [socketnum], packetbuf, , 0

  .fail:

        ret

cmd_usr_quit:

        mov     esi, quit_msg

        cmp     byte[user_command+5], ' '

        jne     quit_server

        lea     esi, [user_command+6]

; esi = quit message

quit_server:

; User wants to close a channel, send PART command to server

        mov     dword[packetbuf], 'QUIT'

        mov     word[packetbuf+4], ' :'

        lea     edi, [packetbuf+6]

; Append our quit msg

  @@:

        lodsb

        cmp     al, 13

        je      @f

        test    al, al

        jz      @f

        stosb

        jmp     @r

  @@:

; end the command with a CRLF

        mov     ax, 0x0a0d

        stosw

        lea     esi, [edi - packetbuf]                  ; calculate length

        mcall   send, [socketnum], packetbuf, , 0       ; and finally send to server

        mov     ebp, windows

  .window_loop:

        cmp     [ebp + window.type], WINDOWTYPE_NONE

        je      .next_window

        mov     [window_print], ebp

        if TIMESTAMP

        call    print_timestamp

        end if

        mov     esi, str_disconnected

        call    print_asciiz

        cmp     [ebp + window.type], WINDOWTYPE_CHANNEL

        jne     .next_window

        call    user_remove_all

  .next_window:

        add     ebp, sizeof.window

        cmp     ebp, windows + (MAX_WINDOWS * sizeof.window)

        jb      .window_loop

        mov     [status], STATUS_DISCONNECTED

        mcall   close, [socketnum]

        ret

cmd_usr_nick:

        cmp     [user_command.size], 5

        je      .justprint

        cmp     byte[user_command+5], ' '

        jne     .fail

        cmp     [socketnum], 0

        je      .dontsend

; Request nickname change to server

        mov     dword[user_command+1], 'NICK'

        mov     esi, [user_command.size]

        mov     word[user_command + esi], 0x0a0d

        inc     esi

        mcall   send, [socketnum], user_command+1, , 0

  .fail:

        ret

; We arent logged in yet, directly change user_nick field and print notification to user.

  .dontsend:

        mov     ecx, MAX_NICK_LEN

        mov     esi, user_command+6

        mov     edi, user_nick

  @@:

        lodsb

        cmp     al, 13

        je      @f

        stosb

        dec     ecx

        jnz     @r

  @@:

        xor     al, al

        stosb

  .justprint:

        mov     esi, str_nickchange

        call    print_asciiz

        mov     esi, user_nick

        call    print_asciiz

        mov     al, 10

        call    print_char

        ret

cmd_usr_real:

        cmp     byte[user_command+5], ' '

        jne     cmd_usr_send

        mov     ecx, MAX_REAL_LEN

        mov     esi, user_command+6

        mov     edi, user_real_name

  .loop:

        lodsb

        cmp     al, 13

        je      .done

        stosb

        dec     ecx

        jnz     .loop

  .done:

        xor     al, al

        stosb

        mov     esi, str_realchange

        call    print_asciiz

        mov     esi, user_real_name

        call    print_asciiz

        mov     al, 10

        call    print_char

        ret

cmd_usr_server:

        mov     eax, dword[user_command+5]      ; check for 'er ', we only checked 'serv'

        or      eax, 0x00002020

        and     eax, 0x00ffffff

        cmp     eax, 'er '

        jne     cmd_usr_send

; Server window is always first window in the list, switch to it.

        mov     [window_print], windows

        mov     [window_active], windows

        mov     ecx, [user_command.size]        ; ok now set the address

        sub     ecx, 8

        mov     esi, user_command+8

  .now:

        push    esi

        mov     edi, irc_server_name

  .loop:                                        ; copy until zero byte, or ecx reaches zero.

        lodsb

        stosb

        test    al, al

        jz      .done

        dec     ecx

        jnz     .loop

        xor     al, al

        stosb

  .done:

        pop     esi

; set it also in window name

        mov     ebx, [window_print]

        call    window_set_name

; now connect

        call    socket_connect

        ret

cmd_usr_quer:

        mov     esi, user_command+7

        call    window_open

;        test    ebx, ebx

;        jz      .fail

        ret

cmd_usr_help:

        mov     esi, str_help

        call    print_asciiz

        ret

cmd_usr_code:

        ; TODO

        ret

; User typed a part command

cmd_usr_part:

        cmp     byte[user_command+5], 13        ; parameters given?

        jne     cmd_usr_send                    ; yes, send command straight to server

; close active window

cmd_usr_close_window:

        mov     esi, [window_active]

        mov     [window_print], esi

        cmp     [esi + window.type], WINDOWTYPE_SERVER

        je      .not_channel

        lea     esi, [esi + window.name]

        call    cmd_usr_part_channel

        call    window_close

        ret

  .not_channel:

        cmp     [esi + window.type], WINDOWTYPE_CHAT

        jne     .not_chat

        call    window_close

  .not_chat:

        ret

; Send part command to server

; esi must point to channel name (ASCIIZ)

cmd_usr_part_channel:

; User wants to close a channel, send PART command to server

        mov     dword[packetbuf], 'PART'

        mov     byte[packetbuf+4], ' '

        lea     edi, [packetbuf+5]

  @@:

        lodsb

        test    al, al

        jz      @f

        cmp     al, 13

        je      @f

        cmp     al, 10

        je      @f

        stosb

        jmp     @r

  @@:

; end the command with a CRLF

        mov     ax, 0x0a0d

        stosw

        lea     esi, [edi - packetbuf]                  ; calculate length

        mcall   send, [socketnum], packetbuf, , 0       ; and finally send to server

        ret

cmd_usr_ctcp:

        cmp     byte[user_command+5], ' '

        jne     cmd_usr_send

        mov     esi, user_command+6

; prepare a 'PRIVMSG '

        mov     dword[packetbuf], 'PRIV'

        mov     dword[packetbuf+4], 'MSG '

        lea     edi, [packetbuf+8]

; append the destination (nickname/channel)

  @@:

        lodsb

        test    al, al

        jz      .fail

        cmp     al, ' '

        je      @f

        stosb

        jmp     @r

  @@:

        mov     ax, ' :'

        stosw

        mov     al, 0x01

        stosb

        push edi esi

; copy the message itself

  @@:

        lodsb

        test    al, al

        jz      @f

        cmp     al, 13

        je      @f

        cmp     al, 10

        je      @f

        stosb

        jmp     @r

  @@:

; end of message

        mov     al, 0x01

        stosb

        mov     ax, 0x0a0d

        stosw

        mov     byte[edi], 0

; now print to the window

        if TIMESTAMP

        call    print_timestamp

        end if

        mov     esi, ctcp_header

        call    print_asciiz

        mov     esi, packetbuf+8

        mov     bl, ' '

        call    print_string

        mov     al, ']'

        call    print_char

        mov     al, ' '

        call    print_char

        pop     esi

        call    print_asciiz

        pop     esi

; now send it away

        lea     esi, [edi - packetbuf]                  ; calculate length

        mcall   send, [socketnum], packetbuf, , 0       ; and finally send to server

  .fail:

        ret

cmd_usr_me:

; prepare a 'PRIVMSG '

        mov     dword[packetbuf], 'PRIV'

        mov     dword[packetbuf+4], 'MSG '

        lea     edi, [packetbuf+8]

; append the destination (nickname/channel)

        mov     esi, [window_active]

        lea     esi, [esi + window.name]

  @@:

        lodsb

        test    al, al

        je      @f

        stosb

        jmp     @r

  @@:

; Make the CTCP action header

        mov     eax, ' :' + 0x01 shl 16 + 'A' shl 24

        stosd

        mov     eax, 'CTIO'

        stosd

        mov     al, 'N'

        stosb

; copy the message itself (including first space)

        mov     esi, user_command+3

  @@:

        lodsb

        cmp     al, 13

        je      @f

        stosb

        jmp     @r

  @@:

; end of CTCP message

        mov     al, 0x01

        stosb

        mov     ax, 0x0a0d

        stosw

; now send it to the server

        lea     esi, [edi - packetbuf]                  ; calculate length

        mcall   send, [socketnum], packetbuf, , 0       ; and finally send to server

; print to local window

        if TIMESTAMP

        call    print_timestamp

        end if

        mov     esi, action_header

        call    print_asciiz

        mov     esi, user_nick

        call    print_asciiz

        mov     esi, user_command+3

        mov     bl, 13

        call    print_string

        mov     al, 10

        call    print_char

        ret

; The user typed some undefined command, just send it to the server

cmd_usr_send:

        mov     esi, [user_command.size]

        mov     eax, [user_command.size]

        add     eax, user_command+1

        mov     word[eax], 0x0d0a

        inc     esi

        mcall   send, [socketnum], user_command+1, , 0

        ret