private bool parse_remaining_arg(
OptionGroup group,
ref int idx,
ref int argc, ref string[] argv,
out bool parsed
)
{
parsed = false;
int j;
for (j = 0; j < group.entries.Count; j++)
{
if (idx >= argc)
{
return(true);
}
if (group.entries[j].long_name.Length > 0)
{
continue;
}
switch (group.entries[j].arg)
{
case OptionArg.CALLBACK:
case OptionArg.STRING_ARRAY:
case OptionArg.FILENAME_ARRAY:
break;
default:
return(false);
}
if (!parse_arg(group, group.entries[j], argv[idx], ""))
{
return(false);
}
parsed = true;
return(true);
}
return(true);
}
public void add_group(OptionGroup group)
{
this.groups.Add(group);
}
private bool parse_long_option(
OptionGroup group,
ref int idx,
string arg,
bool aliased,
ref int argc,
ref string[] argv,
out bool parsed
)
{
parsed = false;
int j;
for (j = 0; j < group.entries.Count; j++)
{
if (idx >= argc)
{
return(true);
}
if (aliased && (group.entries[j].flags.HasFlag(OptionFlags.NOALIAS)))
{
continue;
}
if (NO_ARG(group.entries[j]) && group.entries[j].long_name == arg)
{
string option_name;
bool retval;
option_name = "--" + group.entries[j].long_name;
retval = parse_arg(group, group.entries[j], null, option_name);
parsed = true;
return(retval);
}
else
{
int len = group.entries[j].long_name.Length;
if (arg.StartsWith(group.entries[j].long_name) && (
arg.Length <= len || arg[len] == '='
))
{
string value = null;
string option_name = "--" + group.entries[j].long_name;
if (arg.Length > len && arg[len] == '=')
{
value = arg.Substring(len + 1);
}
else if (idx < argc - 1)
{
if (!OPTIONAL_ARG(group.entries[j]))
{
value = argv[idx + 1];
idx++;
}
else
{
if (argv[idx + 1][0] == '=')
{
bool retval = parse_arg(group, group.entries[j], null, option_name);
parsed = true;
return(retval);
}
else
{
value = argv[idx + 1];
idx++;
}
}
}
else if (idx >= argc - 1 && OPTIONAL_ARG(group.entries[j]))
{
bool retval = parse_arg(group, group.entries[j], null, option_name);
parsed = true;
return(retval);
}
else
{
throw new Exception("Missing argument for " + option_name);
}
if (!parse_arg(group, group.entries[j], value, option_name))
{
return(false);
}
parsed = true;
}
}
}
return(true);
}
private bool parse_short_option(
OptionGroup group,
int idx,
ref int new_idx,
char arg,
ref int argc,
ref string[] argv,
out bool parsed
)
{
parsed = false;
for (int j = 0; j < group.entries.Count; j++)
{
if (arg == group.entries[j].short_name)
{
string value;
string option_name = group.entries[j].short_name.ToString();
if (NO_ARG(group.entries[j]))
{
value = null;
}
else
{
if (new_idx > idx)
{
throw new Exception("Error parsing option " + option_name);
}
if (idx < argc - 1)
{
if (!OPTIONAL_ARG(group.entries[j]))
{
value = argv[idx + 1];
new_idx = idx + 1;
}
else
{
if (argv[idx + 1][0] == '-')
{
value = null;
}
else
{
value = argv[idx + 1];
new_idx = idx + 1;
}
}
}
else if (idx >= argc - 1 && OPTIONAL_ARG(group.entries[j]))
{
value = null;
}
else
{
throw new Exception("Missing argument for " + option_name);
}
}
if (!parse_arg(group, group.entries[j], value, option_name))
{
return(false);
}
parsed = true;
}
}
return(true);
}
private bool parse_arg(
OptionGroup group,
OptionEntry entry,
string value,
string option_name
)
{
Debug.Assert(value != null || OPTIONAL_ARG(entry) || NO_ARG(entry));
switch (entry.arg)
{
case OptionArg.NONE: {
OptionEntry <bool> centry = entry as OptionEntry <bool>;
centry.arg_data = !centry.flags.HasFlag(OptionFlags.REVERSE);
break;
}
case OptionArg.STRING:
case OptionArg.FILENAME: {
OptionEntry <string> centry = entry as OptionEntry <string>;
centry.arg_data = value;
break;
}
case OptionArg.STRING_ARRAY:
case OptionArg.FILENAME_ARRAY: {
OptionEntry <IList <string> > centry = entry as OptionEntry <IList <string> >;
if (centry.arg_data == null)
{
centry.arg_data = new List <string>();
}
centry.arg_data.Add(value);
break;
}
case OptionArg.INT: {
OptionEntry <int> centry = entry as OptionEntry <int>;
centry.arg_data = int.Parse(value);
break;
}
case OptionArg.CALLBACK: {
OptionEntry <OptionArgFunc> centry = entry as OptionEntry <OptionArgFunc>;
string data = null;
if (
centry.flags.HasFlag(OptionFlags.OPTIONAL_ARG) ||
centry.flags.HasFlag(OptionFlags.NO_ARG)
)
{
data = null;
}
else if (centry.flags.HasFlag(OptionFlags.FILENAME))
{
data = value;
}
if (centry.flags.HasFlag(OptionFlags.NO_ARG | OptionFlags.OPTIONAL_ARG) && data == null)
{
return(false);
}
bool retval = centry.arg_data(option_name, data, group.user_data);
if (!retval)
{
throw new Exception("Error parsing option " + option_name);
}
return(retval);
}
case OptionArg.DOUBLE: {
OptionEntry <double> centry = entry as OptionEntry <double>;
centry.arg_data = double.Parse(value);
break;
}
case OptionArg.INT64: {
OptionEntry <Int64> centry = entry as OptionEntry <Int64>;
centry.arg_data = Int64.Parse(value);
break;
}
default:
Debug.Assert(false);
break;
}
return(true);
}
private void print_help(bool main_help, OptionGroup group)
{
string help = get_help(main_help, group);
Console.Write(help);
}
public string get_help(bool main_help, OptionGroup group)
{
return(null);
}