kolibrios/programs/system/shell/modules/module_command.c

330 lines
7.0 KiB
C
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/// ===========================================================
void command_history_add()
{
int i;
for (i = 0; i < CMD_HISTORY_NUM_REAL; i++)
if ( 0 == strcmp( CMD_HISTORY[i], CMD ) )
return;
for (i = CMD_HISTORY_NUM_REAL; i > 0 ; i--)
strcpy(CMD_HISTORY[i], CMD_HISTORY[i-1]);
strcpy(CMD_HISTORY[0], CMD);
if (CMD_HISTORY_NUM_REAL < CMD_HISTORY_NUM-1)
CMD_HISTORY_NUM_REAL++;
CMD_NUM = 0;
}
/// ===========================================================
void command_get()
{
unsigned key;
unsigned i;
unsigned cmdLen = 0;
unsigned cmdPos = 0;
CMD[0] = '\0';
for (;;)
{
key = getch();
if ( 0 != (key & 0xff) )
{
key &= 0xff;
switch (key)
{
case 27: // ESC
for (i = cmdPos; i < cmdLen; i++)
printf(" ");
for (i = cmdLen; i > 0; i--)
printf("%c %c", 8, 8);
cmdLen = 0;
cmdPos = 0;
CMD[0] = '\0';
break;
case 13: // ENTER
printf("\n\r");
command_history_add();
return;
case 8: // BACKSPACE
if (cmdPos > 0)
{
for (i = cmdPos-1; i < cmdLen; i++)
CMD[i] = CMD[i+1];
for (i = 0; i < cmdLen-cmdPos; i++)
printf (" ");
for (i = 0; i < cmdLen; i++)
printf ("%c %c", 8, 8);
printf("%s", CMD);
for (i = 0; i < cmdLen-cmdPos; i++)
printf("%c", 8);
cmdPos--;
cmdLen--;
}
break;
case 9: // TAB
break;
default:
if (cmdLen < 255)
{
if ( kol_key_control() & 0x40 ) // <20><20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> CapsLock
if ( (kol_key_control() & 1) || (kol_key_control() & 2)) // <20><20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
key = tolower(key);
else
key = toupper(key);
for (i = cmdLen+1; i > cmdPos; i--)
CMD[i] = CMD[i-1];
CMD[cmdPos] = key;
for (i = cmdPos; i > 0; i--)
printf("%c %c", 8, 8);
printf("%s", CMD);
for (i = 0; i < cmdLen-cmdPos; i++)
printf("%c", 8);
cmdPos++;
cmdLen++;
}
break;
}
}
else
{
key = (key>>8)&0xff;
switch (key)
{
case 83: // Del
if (cmdPos < cmdLen)
{
for (i = cmdPos; i < cmdLen; i++)
CMD[i] = CMD[i+1];
for (i = 0; i < cmdLen-cmdPos; i++)
printf(" ");
for (i = 0; i < cmdLen-cmdPos; i++)
printf("%c", 8);
for (i = cmdPos; i < cmdLen; i++)
printf("%c", CMD[i]);
for (i = 0; i < cmdLen-cmdPos; i++)
printf("%c", 8);
cmdLen--;
}
break;
case 75: // Left
if (cmdPos > 0)
{
printf("%c", 8);
cmdPos--;
}
break;
case 77: // Right
if (cmdPos < cmdLen)
{
printf("%c", CMD[cmdPos]);
cmdPos++;
}
break;
case 80: // Down
if (CMD_HISTORY_NUM_REAL > 0)
{
for (i = cmdPos; i < cmdLen; i++)
printf(" ");
for (i = cmdLen; i > 0; i--)
printf("%c %c", 8, 8);
if (CMD_NUM < CMD_HISTORY_NUM_REAL-1)
CMD_NUM++;
else
CMD_NUM = 0;
printf( "%s", CMD_HISTORY[CMD_NUM] );
strcpy(CMD, CMD_HISTORY[CMD_NUM]);
cmdLen = strlen(CMD);
cmdPos = strlen(CMD);
}
break;
case 72: // Up
if (CMD_HISTORY_NUM_REAL > 0)
{
for (i = cmdPos; i < cmdLen; i++)
printf(" ");
for (i = cmdLen; i > 0; i--)
printf("%c %c", 8, 8);
if (CMD_NUM > 0)
CMD_NUM--;
else
CMD_NUM = CMD_HISTORY_NUM_REAL-1;
printf( "%s", CMD_HISTORY[CMD_NUM] );
strcpy(CMD, CMD_HISTORY[CMD_NUM]);
cmdLen = strlen(CMD);
cmdPos = strlen(CMD);
}
break;
case 0: // console window closed
cmd_exit(NULL);
}
}
}
}
/// ===========================================================
int command_get_cmd(char cmd[])
{
unsigned i, len;
int quote = 0;
if (CMD[0]=='"')
quote = 1;
if (quote == 0)
{
for (i=0;;i++)
{
cmd[i] = CMD[i];
if (0 == cmd[i])
{
i = -2;
break;
}
if ( iswhite(cmd[i]) )
{
cmd[i] = '\0';
break;
}
}
return i+1;
}
else
{
len = 0;
for (i=1;;i++)
{
cmd[len] = CMD[i];
if (0 == cmd[len])
{
len = -2;
break;
}
if ( cmd[len] == '"' )
{
cmd[len] = '\0';
break;
}
len++;
}
trim(cmd);
return len+2;
}
}
/// ===========================================================
typedef int (*handler1_t)(char* arg);
/// ===========================================================
void command_execute()
{
char cmd[256];
char args[256];
unsigned arg;
int i;
int result;
trim(CMD);
arg = command_get_cmd(cmd);
if ( !strlen(cmd) )
return;
strcpy(args, CMD+arg);
trim(args);
for (i = 0; i < NUM_OF_CMD; i++)
{
if (!strcmp(cmd, COMMANDS[i].name))
{
result = ((handler1_t)COMMANDS[i].handler)(args);
if (result != TRUE)
{
#if LANG_ENG
printf(" Error!\n\r");
#elif LANG_RUS
printf(" <20><EFBFBD><E8A8A1>!\n\r");
#endif
}
return;
}
}
if ( -1 != alias_search(CMD) )
{
strcpy(CMD, ALIASES+64*1024+256*alias_search(CMD));
command_execute();
return;
}
executable_run(cmd, args);
}
/// ===========================================================