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++;
}
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();
}
/*****************************************************************************
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();
}
/*
仅用于用户输入末尾补<CR>，保存在cmd_vector_t->data
*/
void cmd_vector_insert_cr(cmd_vector_t *v)
{
char *string_cr = NULL;
string_cr = (char*)malloc(sizeof(CMD_END));
if (NULL == string_cr)
{
CMD_DBGASSERT(0,"cmd_vector_insert_cr");
return;
}
memcpy(string_cr, CMD_END, sizeof(CMD_END));
cmd_vector_insert(v, string_cr); /* cmd_vector_insert(v, CMD_END); // bug of memory free(<CR>), it's static memory*/
}
cmd_vector_t *cmd_vector_copy(cmd_vector_t *v)
{
int size;
cmd_vector_t *new_v = (cmd_vector_t *)calloc(1, sizeof(cmd_vector_t));
if (NULL == new_v)
{
CMD_DBGASSERT(0, "cmd_vector_copy");
return NULL;
}
new_v->used_size = v->used_size;
new_v->size = v->size;
size = sizeof(void *) * (v->size);
new_v->data = (void**)calloc(1, sizeof(void *) * size);
memcpy(new_v->data, v->data, size);
return new_v;
}
/* 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);
}
