void ui_menu_input::toggle_none_default(input_seq &selected_seq, input_seq &original_seq, const input_seq &selected_defseq)
{
/* if we used to be "none", toggle to the default value */
if (original_seq.length() == 0)
selected_seq = selected_defseq;
/* otherwise, toggle to "none" */
else
selected_seq.reset();
}
void input_manager::seq_from_tokens(input_seq &seq, const char *string)
{
// start with a blank sequence
seq.reset();
// loop until we're done
std::string strcopy = string;
char *str = const_cast<char *>(strcopy.c_str());
while (1)
{
// trim any leading spaces
while (*str != 0 && isspace((uint8_t)*str))
str++;
// bail if we're done
if (*str == 0)
return;
// find the end of the token and make it upper-case along the way
char *strtemp;
for (strtemp = str; *strtemp != 0 && !isspace((uint8_t)*strtemp); strtemp++)
*strtemp = toupper((uint8_t)*strtemp);
char origspace = *strtemp;
*strtemp = 0;
// look for common stuff
input_code code;
if (strcmp(str, "OR") == 0)
code = input_seq::or_code;
else if (strcmp(str, "NOT") == 0)
code = input_seq::not_code;
else if (strcmp(str, "DEFAULT") == 0)
code = input_seq::default_code;
else
code = code_from_token(str);
// translate and add to the sequence
seq += code;
// advance
if (origspace == 0)
return;
str = strtemp + 1;
}
}
std::string input_manager::seq_name(const input_seq &seq) const
{
// make a copy of our sequence, removing any invalid bits
input_code clean_codes[sizeof(seq) / sizeof(input_code)];
int clean_index = 0;
for (int codenum = 0; seq[codenum] != input_seq::end_code; codenum++)
{
// if this is a code item which is not valid, don't copy it and remove any preceding ORs/NOTs
input_code code = seq[codenum];
if (!code.internal() && code_name(code).empty())
{
while (clean_index > 0 && clean_codes[clean_index - 1].internal())
clean_index--;
}
else if (clean_index > 0 || !code.internal())
clean_codes[clean_index++] = code;
}
// special case: empty
if (clean_index == 0)
return std::string((seq.length() == 0) ? "None" : "n/a");
// start with an empty buffer
std::string str;
// loop until we hit the end
for (int codenum = 0; codenum < clean_index; codenum++)
{
// append a space if not the first code
if (codenum != 0)
str.append(" ");
// handle OR/NOT codes here
input_code code = clean_codes[codenum];
if (code == input_seq::or_code)
str.append("or");
else if (code == input_seq::not_code)
str.append("not");
// otherwise, assume it is an input code and ask the input system to generate it
else
str.append(code_name(code));
}
return str;
}