/*
process command line, GNU style.
- this is (Copyleft) 1996, Han-Wen Nienhuys, <hanwen@cs.uu.nl>
+ this is Copyleft (c) 1996--2004 Han-Wen Nienhuys, <hanwen@cs.uu.nl>
*/
#include <string.h>
#include <stdio.h>
-#include <iostream.h>
#include <assert.h>
#include <stdlib.h>
+#include <iostream>
+
#include "config.h"
#include "getopt-long.hh"
#include "international.hh"
#endif
long
-Getopt_long::argument_to_i ()
+Getopt_long::get_argument_index ()
{
long l;
- if (!optional_argument_ch_C_
- || sscanf (optional_argument_ch_C_, "%ld", &l) != 1)
+ if (!optional_argument_str0_
+ || sscanf (optional_argument_str0_, "%ld", &l) != 1)
report (E_ILLEGALARG);
return l;
const Long_option_init *
Getopt_long::parselong ()
{
- char const *optnm = arg_value_ch_a_a_[array_index_i_] + 2 ;
+ char const *optnm = arg_value_char_a_a_[array_index_] + 2 ;
assert (*optnm);
char const *endopt = strchr (optnm, '=');
int searchlen = (endopt) ? endopt - optnm : strlen (optnm);
- found_option_l_=0;
- for (int i=0; i< table_len_i_; i++)
+ found_option_=0;
+ for (int i=0; i< table_len_; i++)
{
- char const *ln = option_a_[i].longname_sz_;
+ char const *ln = option_a_[i].longname_str0_;
if (ln && !strncmp (ln, optnm, searchlen))
{
- found_option_l_ = option_a_+i;
+ found_option_ = option_a_+i;
break;
}
}
- if (!found_option_l_)
+ if (!found_option_)
{
report (E_UNKNOWNOPTION);
return 0;
}
- array_index_i_++;
- argument_index_i_ = 0;
+ array_index_++;
+ argument_index_ = 0;
- if (found_option_l_->take_arg_sz_)
+ if (found_option_->take_arg_str0_)
{
if (endopt)
- optional_argument_ch_C_ = endopt +1; // a '='
+ optional_argument_str0_ = endopt +1; // a '='
else
{
- optional_argument_ch_C_ = arg_value_ch_a_a_[array_index_i_];
- array_index_i_++;
+ optional_argument_str0_ = arg_value_char_a_a_[array_index_];
+ array_index_++;
}
- if (!optional_argument_ch_C_)
+ if (!optional_argument_str0_)
report (E_ARGEXPECT);
}
else
{
- optional_argument_ch_C_ = 0;
+ optional_argument_str0_ = 0;
if (endopt)
report (E_NOARGEXPECT);
}
- return found_option_l_;
+ return found_option_;
}
String
-Long_option_init::str () const
+Long_option_init::to_string () const
{
String str;
- if (shortname_ch_)
- str += "-" + shortname_ch_;
- if (shortname_ch_ && longname_sz_)
+ if (shortname_char_)
+ str += "-" + shortname_char_;
+ if (shortname_char_ && longname_str0_)
str += ", ";
- if (longname_sz_)
- str += String ("`--") + longname_sz_ + "'";
+ if (longname_str0_)
+ str += String ("`--") + longname_str0_ + "'";
return str;
}
Long_option_init::str_for_help () const
{
String s;
- if (shortname_ch_)
- s = "-" + to_str (shortname_ch_);
+ if (shortname_char_)
+ s = "-" + ::to_string (shortname_char_);
else
s = " ";
- s = s + ((shortname_ch_ && longname_sz_) ? "," : " ");
+ s = s + ((shortname_char_ && longname_str0_) ? ", " : " ");
- if (longname_sz_)
- s = s + "--" + longname_sz_;
+ if (longname_str0_)
+ s = s + "--" + longname_str0_;
- if (take_arg_sz_)
+ if (take_arg_str0_)
{
- if (longname_sz_)
+ if (longname_str0_)
s = s + "=";
else
s = s + " ";
- s = s + gettext (take_arg_sz_);
+ s = s + gettext (take_arg_str0_);
}
return s;
}
if (!error_out_)
return;
- String str = arg_value_ch_a_a_[0];
+ String str = arg_value_char_a_a_[0];
str += ": ";
switch (c)
{
case E_ARGEXPECT:
str += _f ("option `%s' requires an argument",
- found_option_l_->str ());
+ found_option_->to_string ());
break;
case E_NOARGEXPECT:
str += _f ("option `%s' doesn't allow an argument",
- found_option_l_->str ());
+ found_option_->to_string ());
break;
case E_UNKNOWNOPTION:
str += _f ("unrecognized option: `%s'",
- String (argument_index_i_
- ? String ("-" + String_convert::form_str ("%c",
- arg_value_ch_a_a_[array_index_i_][argument_index_i_]))
- : String (arg_value_ch_a_a_[array_index_i_])));
+ String (argument_index_
+ ? String ("-" + String_convert::form_string ("%c",
+ arg_value_char_a_a_[array_index_][argument_index_]))
+ : String (arg_value_char_a_a_[array_index_])));
break;
case E_ILLEGALARG:
str += _f ("invalid argument `%s' to option `%s'",
- optional_argument_ch_C_, found_option_l_->str ());
+ optional_argument_str0_, found_option_->to_string ());
break;
default:
assert (false);
}
- fprintf(error_out_, "%s\n", str.ch_C());
+ fprintf(error_out_, "%s\n", str.to_str0 ());
exit (2);
}
const Long_option_init *
Getopt_long::parseshort ()
{
- char c=arg_value_ch_a_a_[array_index_i_][argument_index_i_];
- found_option_l_=0;
+ char c=arg_value_char_a_a_[array_index_][argument_index_];
+ found_option_=0;
assert (c);
- for (int i=0; i < table_len_i_; i++)
- if (option_a_[i].shortname_ch_ == c)
+ for (int i=0; i < table_len_; i++)
+ if (option_a_[i].shortname_char_ == c)
{
- found_option_l_ = option_a_+i;
+ found_option_ = option_a_+i;
break;
}
- if (!found_option_l_)
+ if (!found_option_)
{
report (E_UNKNOWNOPTION);
return 0;
}
- argument_index_i_++;
- if (!found_option_l_->take_arg_sz_)
+ argument_index_++;
+ if (!found_option_->take_arg_str0_)
{
- optional_argument_ch_C_ = 0;
- return found_option_l_;
+ optional_argument_str0_ = 0;
+ return found_option_;
}
- optional_argument_ch_C_ = arg_value_ch_a_a_[array_index_i_] + argument_index_i_;
+ optional_argument_str0_ = arg_value_char_a_a_[array_index_] + argument_index_;
- array_index_i_ ++;
- argument_index_i_ = 0;
+ array_index_ ++;
+ argument_index_ = 0;
- if (!optional_argument_ch_C_[0])
+ if (!optional_argument_str0_[0])
{
- optional_argument_ch_C_ = arg_value_ch_a_a_[array_index_i_];
- array_index_i_ ++;
+ optional_argument_str0_ = arg_value_char_a_a_[array_index_];
+ array_index_ ++;
}
- if (!optional_argument_ch_C_)
+ if (!optional_argument_str0_)
{
report (E_ARGEXPECT);
}
- return found_option_l_;
+ return found_option_;
}
const Long_option_init *
if (!ok ())
return 0;
- if (argument_index_i_)
+ if (argument_index_)
return parseshort ();
- const char * argument_C = arg_value_ch_a_a_[array_index_i_];
+ const char * argument = arg_value_char_a_a_[array_index_];
- if (argument_C[0] != '-')
+ if (argument[0] != '-')
return 0;
- if (argument_C[1] == '-') {// what to do with "command -- bla"
- if (argument_C[2])
+ if (argument[1] == '-') {// what to do with "command -- bla"
+ if (argument[2])
return parselong ();
else
return 0;
}
else
{
- if (argument_C[ 1 ])
+ if (argument[ 1 ])
{
- argument_index_i_ = 1;
+ argument_index_ = 1;
return parseshort ();
}
else
{
option_a_ = lo;
error_out_ = stderr;
- arg_value_ch_a_a_ = v;
- argument_count_i_ = c;
- array_index_i_ = 1;
- argument_index_i_ = 0;
+ arg_value_char_a_a_ = v;
+ argument_count_ = c;
+ array_index_ = 1;
+ argument_index_ = 0;
// reached end of option table?
- table_len_i_ =0;
- for (int i = 0; option_a_[i].longname_sz_ ||option_a_[i].shortname_ch_; i++)
- table_len_i_ ++;
+ table_len_ =0;
+ for (int i = 0; option_a_[i].longname_str0_ ||option_a_[i].shortname_char_; i++)
+ table_len_ ++;
}
bool
Getopt_long::ok () const
{
- return array_index_i_ < argument_count_i_;
+ return array_index_ < argument_count_;
}
void
Getopt_long::next ()
{
error_ = E_NOERROR;
- while (array_index_i_ < argument_count_i_
- && !arg_value_ch_a_a_[array_index_i_][argument_index_i_])
+ while (array_index_ < argument_count_
+ && !arg_value_char_a_a_[array_index_][argument_index_])
{
- array_index_i_++;
- argument_index_i_ = 0;
+ array_index_++;
+ argument_index_ = 0;
}
}
char const *
Getopt_long::current_arg ()
{
- if (array_index_i_ >= argument_count_i_)
+ if (array_index_ >= argument_count_)
return 0;
- char const * a = arg_value_ch_a_a_[array_index_i_];
- return a + argument_index_i_;
+ char const * a = arg_value_char_a_a_[array_index_];
+ return a + argument_index_;
}
char const *
char const * a = current_arg ();
if (a)
{
- array_index_i_ ++;
- argument_index_i_= 0;
+ array_index_ ++;
+ argument_index_= 0;
}
return a;
}
const int EXTRA_SPACES = 5;
String
-Long_option_init::table_str (Long_option_init *l)
+Long_option_init::table_string (Long_option_init *l)
{
String argstr = "ARG";
String tabstr = "";
int wid = 0;
- for (int i=0; l[i].shortname_ch_ || l[i].longname_sz_; i++)
+ for (int i=0; l[i].shortname_char_ || l[i].longname_str0_; i++)
{
- wid = wid >? l[i].str_for_help ().length_i ();
+ wid = wid >? l[i].str_for_help ().length ();
}
- for (int i=0; l[i].shortname_ch_ || l[i].longname_sz_; i++)
+ for (int i=0; l[i].shortname_char_ || l[i].longname_str0_; i++)
{
String s = " " + l[i].str_for_help ();
- s += String_convert::char_str (' ', wid - s.length_i () + EXTRA_SPACES);
+ s += String_convert::char_string (' ', wid - s.length () + EXTRA_SPACES);
- tabstr += s + gettext (l[i].help_sz_) + "\n";
+ tabstr += s + gettext (l[i].help_str0_) + "\n";
}
int
Long_option_init::compare (Long_option_init const &a, Long_option_init const &b)
{
- if (a.shortname_ch_ && b.shortname_ch_ && a.shortname_ch_- b.shortname_ch_)
- return a.shortname_ch_ - b.shortname_ch_;
+ if (a.shortname_char_ && b.shortname_char_ && a.shortname_char_- b.shortname_char_)
+ return a.shortname_char_ - b.shortname_char_;
- if (b.shortname_ch_ && a.longname_sz_)
+ if (b.shortname_char_ && a.longname_str0_)
{
- char s[2] = {b.shortname_ch_, 0};
- return strcmp (a.longname_sz_, s);
+ char s[2] = {b.shortname_char_, 0};
+ return strcmp (a.longname_str0_, s);
}
- if (a.shortname_ch_ && b.longname_sz_)
+ if (a.shortname_char_ && b.longname_str0_)
{
- char s[2] = {a.shortname_ch_, 0};
- return strcmp (s, b.longname_sz_);
+ char s[2] = {a.shortname_char_, 0};
+ return strcmp (s, b.longname_str0_);
}
- return strcmp (a.longname_sz_, b.longname_sz_);
+ return strcmp (a.longname_str0_, b.longname_str0_);
}