/*****************************************************************************
函 数 名 : cmd_resolve_quest
功能描述 : 适配?字符，联想命令
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
1: 完全匹配输入时，只返回该命令的联想 2013-10-27 (未实现)
2:bug:
display loopback
disable loopback-detect
>dis loop =======> show what
*****************************************************************************/
void cmd_resolve_quest(struct cmd_vty *vty)
{
cmd_vector_t *v;
struct para_desc *match[CMD_MAX_MATCH_SIZE]; // matched string
int match_size = 0;
int i = 0;
int nomath_pos = -1;
/*
1: 取pos 之前的buf
2: 需要覆盖当前光标后的buf
*/
/* BEGIN: Added by weizengke, 2013/11/17 bug for left and tab*/
memset(&(vty->buffer[vty->cur_pos]), 0 ,strlen(vty->buffer) - vty->cur_pos);
vty->used_len = strlen(vty->buffer);
/* END: Added by weizengke, 2013/11/17 */
v = str2vec(vty->buffer);
if (v == NULL)
{
v = cmd_vector_init(1);
cmd_vector_insert_cr(v);
}
else if (isspace((int)vty->buffer[vty->used_len - 1]))
{
cmd_vector_insert_cr(v);
}
cmd_complete_command(v, vty, match, &match_size, &nomath_pos);
cmd_outstring("%s", CMD_ENTER);
if (match_size) {
for (i = 0; i < match_size; i++) {
cmd_outstring(" %-25s%s\r\n", match[i]->para,match[i]->desc);
}
cmd_outprompt(vty->prompt);
cmd_outstring("%s", vty->buffer);
} else {
cmd_output_missmatch(vty, nomath_pos);
cmd_outprompt(vty->prompt);
cmd_outstring("%s", vty->buffer);
}
cmd_vector_deinit(v, 0);
}
int cmd_init()
{
/* initial cmd vector */
cmd_vec = cmd_vector_init(1);
/* install cmd */
cmd_install();
/* initial vty */
vty = cmd_vty_init();
if (vty == NULL)
{
return OS_ERR;
}
return OS_OK;
}
cmd_vector_t *cmd2vec(char *string, char *doc)
{
char *sp=NULL, *d_sp=NULL;
char *cp = string;
char *d_cp = doc;
char *token=NULL, *d_token=NULL;
int len, d_len;
cmd_vector_t *allvec=NULL;
struct para_desc *desc = NULL;
struct para_desc *desc_cr = NULL;
if(cp == NULL)
{
return NULL;
}
allvec = cmd_vector_init(1);
while (1)
{
while(isspace((int) *cp) && *cp != '\0')
{
cp++;
}
if(*cp == '\0')
{
break;
}
sp = cp;
while(!(isspace ((int) *cp) || *cp == '\r' || *cp == '\n')
&& *cp != '\0')
{
cp++;
}
len = cp - sp;
token = (char*)malloc(len + 1);
if (NULL == token)
{
debug_print_ex(CMD_DEBUG_TYPE_ERROR, "In cmd2vec, There is no memory for param token.");
return NULL;
}
memcpy(token, sp, len);
*(token + len) = '\0';
while(isspace((int)*d_cp) && *d_cp != '\0')
{
d_cp++;
}
if (*d_cp == '\0')
{
d_token = NULL;
}
else
{
d_sp = d_cp;
while(!(*d_cp == '\r' || *d_cp == '\n') && *d_cp != '\0')
{
d_cp++;
}
d_len = d_cp - d_sp;
d_token = (char*)malloc(d_len + 1);
if (NULL == d_token)
{
debug_print_ex(CMD_DEBUG_TYPE_ERROR, "In cmd2vec, There is no memory for param d_token.");
free(token);
return NULL;
}
memcpy(d_token, d_sp, d_len);
*(d_token + d_len) = '\0';
}
desc = (struct para_desc *)calloc(1, sizeof(struct para_desc));
if (desc == NULL)
{
debug_print_ex(CMD_DEBUG_TYPE_ERROR, "In cmd2Vec, calloc for desc fail. (token=%s)", token);
free(token);
free(d_token);
return NULL;
}
/* BEGIN: Added by weizengke, 2013/10/4 PN:for regCmdElem */
if (0 != cmd_get_elem_by_name(token, desc))
{
debug_print_ex(CMD_DEBUG_TYPE_ERROR, "In cmd2Vec, cmd_get_elem_by_name fail. (token=%s)", token);
free(token);
free(d_token);
free(desc);
return NULL;
}
/* END: Added by weizengke, 2013/10/4 PN:None */
cmd_vector_insert(allvec, (void *)desc);
}
/* add <CR> into command vector */
desc_cr = (struct para_desc *)calloc(1, sizeof(struct para_desc));
if (desc_cr == NULL)
{
debug_print_ex(CMD_DEBUG_TYPE_ERROR, "In cmd2Vec, calloc for desc_cr fail. (token=%s)", token);
cmd_vector_deinit(allvec, 1);
return NULL;
}
/* BEGIN: Added by weizengke, 2013/10/4 PN:for regCmdElem */
if (0 != cmd_get_elem_by_name((char*)CMD_END, desc_cr))
{
debug_print_ex(CMD_DEBUG_TYPE_ERROR, "In cmd2Vec, cmd_get_elem_by_name fail. (token=%s)", token);
free(desc_cr);
cmd_vector_deinit(allvec, 1);
return NULL;
}
/* END: Added by weizengke, 2013/10/4 PN:None */
cmd_vector_insert(allvec, (void *)desc_cr);
/*
{
struct para_desc *desc_ = NULL;
for (int i = 0; i < cmd_vector_max(allvec); i++)
{
desc_ = (struct para_desc *)cmd_vector_slot(allvec, i);
printf("cmd2vec + %s\n",(char*)desc_->para);
}
}
*/
return allvec;
}
cmd_vector_t *str2vec(char *string)
{
int str_len;
char *cur, *start, *token;
cmd_vector_t *vec;
// empty string
if (string == NULL)
{
return NULL;
}
cur = string;
// skip white spaces
while (isspace((int) *cur) && *cur != '\0')
{
cur++;
}
// only white spaces
if (*cur == '\0')
{
return NULL;
}
// copy each command pieces into vector
vec = cmd_vector_init(1);
while (1)
{
start = cur;
while (!(isspace((int) *cur) || *cur == '\r' || *cur == '\n') &&
*cur != '\0')
{
cur++;
}
str_len = cur - start;
token = (char *)malloc(sizeof(char) * (str_len + 1));
if (NULL == token)
{
debug_print_ex(CMD_DEBUG_TYPE_ERROR, "In str2vec, There is no memory for param token.");
return NULL;
}
memcpy(token, start, str_len);
*(token + str_len) = '\0';
cmd_vector_insert(vec, (void *)token);
while((isspace ((int) *cur) || *cur == '\n' || *cur == '\r') &&
*cur != '\0')
{
cur++;
}
if (*cur == '\0')
{
return vec;
}
}
}