forked from KolibriOS/kolibrios
204 lines
3.3 KiB
C
204 lines
3.3 KiB
C
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/// ===========================================================
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void command_clear()
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{
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for (;CMD_POS;CMD_POS--)
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printf("%c %c", 8, 8);
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CMD[0]='\0';
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}
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/// ===========================================================
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void command_history_add(char command[])
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{
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if ( (0 != strcmp( CMD_HISTORY[0], CMD)) &&
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(0 != strcmp( CMD_HISTORY[1], CMD)) &&
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(0 != strcmp( CMD_HISTORY[2], CMD)) &&
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(0 != strcmp( CMD_HISTORY[3], CMD)) &&
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(0 != strcmp( CMD_HISTORY[4], CMD)) )
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{
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strcpy(CMD_HISTORY[4], CMD_HISTORY[3]);
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strcpy(CMD_HISTORY[3], CMD_HISTORY[2]);
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strcpy(CMD_HISTORY[2], CMD_HISTORY[1]);
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strcpy(CMD_HISTORY[1], CMD_HISTORY[0]);
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strcpy(CMD_HISTORY[0], CMD);
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}
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}
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/// ===========================================================
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void command_get()
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{
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unsigned key;
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//unsigned pos = 0;
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int hist;
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CMD_POS = 0;
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CMD_NUM = 0;
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for (;;)
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{
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key = getch();
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if ( 0 != (key & 0xff) )
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{
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key &= 0xff;
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switch (key)
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{
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case 27: // ESC
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command_clear();
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break;
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case 13: // ENTER
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CMD[CMD_POS] = '\0';
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printf("\n\r");
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command_history_add(CMD);
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return;
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case 8: // BACKSPACE
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if (CMD_POS > 0)
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{
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printf ("%c %c", 8, 8);
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CMD_POS--;
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}
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break;
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case 9: // TAB
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break;
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default:
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if (CMD_POS < 255)
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{
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CMD[CMD_POS] = key;
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CMD_POS++;
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printf("%c", key);
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}
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break;
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};
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}
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else // îáðàáîòêà ðàñøèðåííûõ êëàâèø
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{
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key = (key>>8)&0xff;
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// printf ("%d\n\r", key);
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switch (key)
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{
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case 72: // UP
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for (hist = 0; hist < CMD_HISTORY_NUM; hist++)
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{
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command_clear();
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if (CMD_NUM < CMD_HISTORY_NUM-1)
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CMD_NUM++;
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else
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CMD_NUM = 0;
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printf( CMD_HISTORY[CMD_NUM] );
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strcpy(CMD, CMD_HISTORY[CMD_NUM]);
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if ((CMD_POS = strlen(CMD)) != 0)
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break;
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}
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break;
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case 80: // DOWN
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for (hist = 0; hist < CMD_HISTORY_NUM; hist++)
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{
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command_clear();
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if (CMD_NUM > 0)
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CMD_NUM--;
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else
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CMD_NUM = CMD_HISTORY_NUM-1;
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printf( CMD_HISTORY[CMD_NUM] );
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strcpy(CMD, CMD_HISTORY[CMD_NUM]);
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if ((CMD_POS = strlen(CMD)) != 0)
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break;
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}
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break;
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case 0: // console window closed
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cmd_exit(NULL);
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};
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}
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}
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}
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/// ===========================================================
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int command_get_cmd(char cmd[])
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{
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unsigned i;
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for (i=0;;i++)
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{
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cmd[i] = CMD[i];
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if (0 == cmd[i])
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{
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i = -2;
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break;
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}
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if ( iswhite(cmd[i]) )
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{
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cmd[i] = '\0';
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break;
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}
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}
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return i+1;
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}
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/// ===========================================================
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typedef void (*handler1_t)(char* arg);
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/// ===========================================================
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void command_execute()
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{
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char cmd[256];
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char args[256];
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unsigned arg;
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int i;
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trim(CMD);
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arg = command_get_cmd(cmd);
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if ( !strlen(cmd) )
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return;
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strcpy(args, CMD+arg);
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trim(args);
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for (i = 0; i < NUM_OF_CMD; i++)
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{
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if (!strcmp(cmd, COMMANDS[i].name))
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{
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((handler1_t)COMMANDS[i].handler)(args);
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return;
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}
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}
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if ( -1 != alias_search(CMD) )
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{
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strcpy(CMD, ALIASES+64*1024+256*alias_search(CMD));
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command_execute();
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return;
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}
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executable_run(cmd, args);
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}
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/// ===========================================================
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