void cmd_read(struct cmd_vty *vty)
{
int key_type;
g_InputMachine_prev = CMD_KEY_CODE_NOTCARE;
g_InputMachine_now = CMD_KEY_CODE_NOTCARE;
while ((vty->c = cmd_getch()) != EOF)
{
/* step 1: get input key type */
key_type = cmd_resolve(vty->c);
g_InputMachine_now = key_type;
if (key_type <= CMD_KEY_CODE_NONE || key_type > CMD_KEY_CODE_NOTCARE)
{
debug_print_ex(CMD_DEBUG_TYPE_ERROR, "Unidentify Key Type, c = %c, key_type = %d\n", vty->c, key_type);
continue;
}
/* step 2: take actions according to input key */
key_resolver[key_type].key_func(vty);
g_InputMachine_prev = g_InputMachine_now;
if (g_InputMachine_now != CMD_KEY_CODE_TAB)
{
memset(g_tabString,0,sizeof(g_tabString));
memset(g_tabbingString,0,sizeof(g_tabbingString));
g_tabStringLenth = 0;
}
}
}
/* ------------------ Interface Function ----------------- */
int cmd_resolve(char c)
{
int key_type = CMD_KEY_CODE_NOTCARE; // default is not special key
switch (c) {
case CMD_KEY_ARROW1:
c = cmd_getch();
#ifdef _LINUX_
if (c == CMD_KEY_ARROW2)
{
c = cmd_getch();
#endif
switch (c)
{
case CMD_KEY_UP:
key_type = CMD_KEY_CODE_UP;
break;
case CMD_KEY_DOWN:
key_type = CMD_KEY_CODE_DOWN;
break;
case CMD_KEY_RIGHT:
key_type = CMD_KEY_CODE_RIGHT;
break;
case CMD_KEY_LEFT:
key_type = CMD_KEY_CODE_LEFT;
break;
case CMD_KEY_DELETE:
key_type = CMD_KEY_CODE_DELETE;
break;
/* BEGIN: Added by weizengke, 2014/4/6 support page up & down*/
case CMD_KEY_PGUP:
{
::SendMessage(g_hWnd,WM_VSCROLL,MAKEWPARAM(SB_PAGEUP, 0),NULL);
/*
int nVertSP = GetScrollPos(g_hWnd, SB_VERT);
SetScrollPos(g_hWnd, SB_VERT, nVertSP, 1);
*/
key_type = CMD_KEY_CODE_FILTER;
}
break;
case CMD_KEY_PHDN:
{
::SendMessage(g_hWnd,WM_VSCROLL,MAKEWPARAM(SB_PAGEDOWN, 0),NULL);
key_type = CMD_KEY_CODE_FILTER;
}
break;
/* END: Added by weizengke, 2014/4/6 */
default:
key_type = CMD_KEY_CODE_FILTER;
break;
}
#ifdef _LINUX_
}
#endif
break;
#ifndef _LINUX_ /* windwos */
case CMD_KEY_ARROW2:
c = cmd_getch();
switch (c)
{
case CMD_KEY_UP:
key_type = CMD_KEY_CODE_UP;
break;
case CMD_KEY_DOWN:
key_type = CMD_KEY_CODE_DOWN;
break;
case CMD_KEY_RIGHT:
key_type = CMD_KEY_CODE_RIGHT;
break;
case CMD_KEY_LEFT:
key_type = CMD_KEY_CODE_LEFT;
break;
default:
key_type = CMD_KEY_CODE_FILTER;
break;
}
break;
#endif
case CMD_KEY_BACKSPACE: /* */
key_type = CMD_KEY_CODE_BACKSPACE;
break;
case CMD_KEY_SPACE:
case CMD_KEY_CTRL_H:
/* Linux 下空格后回车无法tab补全与'?'联想 待修复*/
break;
case CMD_KEY_CTRL_W:
/* del the last elem */
key_type = CMD_KEY_CODE_DEL_LASTWORD;
break;
case '\t':
key_type = CMD_KEY_CODE_TAB;
break;
case '\r':
case '\n':
key_type = CMD_KEY_CODE_ENTER;
break;
case '?':
/* BEGIN: Added by weizengke, 2013/10/4 PN:need print '?' */
cmd_put_one('?');
/* END: Added by weizengke, 2013/10/4 PN:need print '?' */
key_type = CMD_KEY_CODE_QUEST;
break;
default:
/* BEGIN: Added by weizengke, 2014/4/6 filter CTRL+a ~ z */
if (c >= 0x1 && c <= 0x1d)
{
key_type = CMD_KEY_CODE_FILTER;
}
/* END: Added by weizengke, 2014/4/6 */
break;
}
return key_type;
}
