void prependEnvPath(string const & name, string const & prefix)
{
vector<string> env_var = getEnvPath(name);
typedef boost::char_separator<char> Separator;
typedef boost::tokenizer<Separator> Tokenizer;
Separator const separator(string(1, os::path_separator()).c_str());
// Prepend each new element to the list, removing identical elements
// that occur later in the list.
Tokenizer const tokens(prefix, separator);
vector<string> reversed_tokens(tokens.begin(), tokens.end());
typedef vector<string>::const_reverse_iterator token_iterator;
token_iterator it = reversed_tokens.rbegin();
token_iterator const end = reversed_tokens.rend();
for (; it != end; ++it) {
vector<string>::iterator remove_it =
remove(env_var.begin(), env_var.end(), *it);
env_var.erase(remove_it, env_var.end());
env_var.insert(env_var.begin(), *it);
}
setEnvPath(name, env_var);
}
/* ---------------------------------------------------------------------
* funct : Set Command handler
* args : Scratchpad memory
* ret : None
*
* Detail: 'set' type command handler
*
* --------------------------------------------------------------------*/
void setHandler(char *cmdOrig, char *readString, char *cmd[])
{
//set command must have at least one argument
if(cmd[1] == NULL || strlen(cmd[1])<1)
{
printf("Invalid usage of set command\n");
return;
}
else if(strstr(cmd[1],"path") != NULL && (strlen(cmd[1]) == strlen("path")))
{
setEnvPath(cmdOrig, readString, cmd);
}
else if(strstr(cmd[1],"verbose") != NULL && (strlen(cmd[1]) == strlen("verbose")))
{
setVerboseEnv(cmdOrig, readString, cmd);
}
else
{
printf("Invalid usage of set command\n");
}
}
