void cmd_resolve_backspace(struct cmd_vty *vty)
{
int i, size;
// no more to delete
if (vty->cur_pos <= 0)
return;
size = vty->used_len - vty->cur_pos;
CMD_DBGASSERT(size >= 0, "cmd_resolve_backspace");
// delete char
vty->cur_pos--;
vty->used_len--;
cmd_back_one();
// print left chars
memcpy(&vty->buffer[vty->cur_pos], &vty->buffer[vty->cur_pos + 1], size);
vty->buffer[vty->used_len] = '\0';
for (i = 0; i < size; i ++)
cmd_put_one(vty->buffer[vty->cur_pos + i]);
cmd_put_one(' ');
for (i = 0; i < size + 1; i++)
cmd_back_one();
}
void cmd_resolve_insert(struct cmd_vty *vty)
{
int i, size;
// no more to insert
if (vty->used_len >= vty->buf_len)
return;
size = vty->used_len - vty->cur_pos;
debug_print_ex(CMD_DEBUG_TYPE_INFO,"\r\nused_len=%d, pos=%d\r\n",vty->used_len, vty->cur_pos);
CMD_DBGASSERT(size >= 0, "cmd_resolve_insert");
memcpy(&vty->buffer[vty->cur_pos + 1], &vty->buffer[vty->cur_pos], size);
vty->buffer[vty->cur_pos] = vty->c;
#if 0
/* BEGIN: del by weizengke, 2013/11/17 */
/* BEGIN: Added by weizengke, 2013/10/4 PN:bug for continue tab */
vty->buffer[vty->cur_pos + 1] = '\0';
/* END: Added by weizengke, 2013/10/4 PN:None */
/* END: del by weizengke, 2013/11/17 */
#endif
// print left chars, then back size
for (i = 0; i < size + 1; i++)
cmd_put_one(vty->buffer[vty->cur_pos + i]);
for (i = 0; i < size; i++)
cmd_back_one();
vty->cur_pos++;
vty->used_len++;
}
/*****************************************************************************
函 数 名 : cmd_resolve_delete
功能描述 : 适配Delete键，向前删除字符
输入参数 : struct cmd_vty *vty
输出参数 : 无
返 回 值 : void
调用函数 :
被调函数 :
修改历史 :
1.日 期 : 2013年11月17日
作 者 : weizengke
修改内容 : 新生成函数
*****************************************************************************/
void cmd_resolve_delete(struct cmd_vty *vty)
{
int i, size;
// no more to delete
if (vty->cur_pos >= vty->used_len)
return;
/* del the current char*/
printf(" \b");
size = vty->used_len - vty->cur_pos;
CMD_DBGASSERT(size >= 0, "cmd_resolve_delete");
memcpy(&vty->buffer[vty->cur_pos], &vty->buffer[vty->cur_pos + 1], size);
vty->buffer[vty->used_len - 1] = '\0';
/* output the right chars */
for (i = 0; i < size; i ++)
cmd_put_one(vty->buffer[vty->cur_pos + i]);
vty->used_len--;
/* back the cur_pos */
for (i = 0; i < size; i++)
cmd_back_one();
}
void cmd_resolve_right(struct cmd_vty *vty)
{
// already at rightmost, cannot move more
if (vty->cur_pos >= vty->used_len)
return;
// move right one step
cmd_put_one(vty->buffer[vty->cur_pos]);
vty->cur_pos++;
}
/* Note: Added by weizengke, 2013/10 clear current line by cur-pos */
void cmd_clear_line(struct cmd_vty *vty)
{
int size = vty->used_len - vty->cur_pos;
CMD_DBGASSERT(size >= 0, "cmd_clear_line");
while (size--)
{
cmd_put_one(' ');
}
while (vty->used_len)
{
vty->used_len--;
cmd_back_one();
cmd_put_one(' ');
cmd_back_one();
}
memset(vty->buffer, 0, HISTORY_MAX_SIZE);
}
/* ------------------ 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;
}
