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- # NOTE: Derived from ../LIB\Getopt\Long.pm.
- # Changes made here will be lost when autosplit again.
- # See AutoSplit.pm.
- package Getopt::Long;
-
- #line 535 "../LIB\Getopt\Long.pm (autosplit into ..\lib\auto/Getopt\Long/FindOption.al)"
- # Option lookup.
- sub FindOption ($$$$$$$) {
-
- # returns (1, $opt, $arg, $dsttype, $incr, $key) if okay,
- # returns (0) otherwise.
-
- my ($prefix, $argend, $opt, $opctl, $bopctl, $names, $aliases) = @_;
- my $key; # hash key for a hash option
- my $arg;
-
- print STDERR ("=> find \"$opt\", prefix=\"$prefix\"\n") if $debug;
-
- return (0) unless $opt =~ /^$prefix(.*)$/s;
-
- $opt = $+;
- my ($starter) = $1;
-
- print STDERR ("=> split \"$starter\"+\"$opt\"\n") if $debug;
-
- my $optarg = undef; # value supplied with --opt=value
- my $rest = undef; # remainder from unbundling
-
- # If it is a long option, it may include the value.
- if (($starter eq "--" || ($getopt_compat && !$bundling))
- && $opt =~ /^([^=]+)=(.*)$/s ) {
- $opt = $1;
- $optarg = $2;
- print STDERR ("=> option \"", $opt,
- "\", optarg = \"$optarg\"\n") if $debug;
- }
-
- #### Look it up ###
-
- my $tryopt = $opt; # option to try
- my $optbl = $opctl; # table to look it up (long names)
- my $type;
- my $dsttype = '';
- my $incr = 0;
-
- if ( $bundling && $starter eq '-' ) {
- # Unbundle single letter option.
- $rest = substr ($tryopt, 1);
- $tryopt = substr ($tryopt, 0, 1);
- $tryopt = lc ($tryopt) if $ignorecase > 1;
- print STDERR ("=> $starter$tryopt unbundled from ",
- "$starter$tryopt$rest\n") if $debug;
- $rest = undef unless $rest ne '';
- $optbl = $bopctl; # look it up in the short names table
-
- # If bundling == 2, long options can override bundles.
- if ( $bundling == 2 and
- defined ($rest) and
- defined ($type = $opctl->{$tryopt.$rest}) ) {
- print STDERR ("=> $starter$tryopt rebundled to ",
- "$starter$tryopt$rest\n") if $debug;
- $tryopt .= $rest;
- undef $rest;
- }
- }
-
- # Try auto-abbreviation.
- elsif ( $autoabbrev ) {
- # Downcase if allowed.
- $tryopt = $opt = lc ($opt) if $ignorecase;
- # Turn option name into pattern.
- my $pat = quotemeta ($opt);
- # Look up in option names.
- my @hits = grep (/^$pat/, @{$names});
- print STDERR ("=> ", scalar(@hits), " hits (@hits) with \"$pat\" ",
- "out of ", scalar(@{$names}), "\n") if $debug;
-
- # Check for ambiguous results.
- unless ( (@hits <= 1) || (grep ($_ eq $opt, @hits) == 1) ) {
- # See if all matches are for the same option.
- my %hit;
- foreach ( @hits ) {
- $_ = $aliases->{$_} if defined $aliases->{$_};
- $hit{$_} = 1;
- }
- # Now see if it really is ambiguous.
- unless ( keys(%hit) == 1 ) {
- return (0) if $passthrough;
- warn ("Option ", $opt, " is ambiguous (",
- join(", ", @hits), ")\n");
- $error++;
- undef $opt;
- return (1, $opt,$arg,$dsttype,$incr,$key);
- }
- @hits = keys(%hit);
- }
-
- # Complete the option name, if appropriate.
- if ( @hits == 1 && $hits[0] ne $opt ) {
- $tryopt = $hits[0];
- $tryopt = lc ($tryopt) if $ignorecase;
- print STDERR ("=> option \"$opt\" -> \"$tryopt\"\n")
- if $debug;
- }
- }
-
- # Map to all lowercase if ignoring case.
- elsif ( $ignorecase ) {
- $tryopt = lc ($opt);
- }
-
- # Check validity by fetching the info.
- $type = $optbl->{$tryopt} unless defined $type;
- unless ( defined $type ) {
- return (0) if $passthrough;
- warn ("Unknown option: ", $opt, "\n");
- $error++;
- return (1, $opt,$arg,$dsttype,$incr,$key);
- }
- # Apparently valid.
- $opt = $tryopt;
- print STDERR ("=> found \"$type\" for ", $opt, "\n") if $debug;
-
- #### Determine argument status ####
-
- # If it is an option w/o argument, we're almost finished with it.
- if ( $type eq '' || $type eq '!' || $type eq '+' ) {
- if ( defined $optarg ) {
- return (0) if $passthrough;
- warn ("Option ", $opt, " does not take an argument\n");
- $error++;
- undef $opt;
- }
- elsif ( $type eq '' || $type eq '+' ) {
- $arg = 1; # supply explicit value
- $incr = $type eq '+';
- }
- else {
- substr ($opt, 0, 2) = ''; # strip NO prefix
- $arg = 0; # supply explicit value
- }
- unshift (@ARGV, $starter.$rest) if defined $rest;
- return (1, $opt,$arg,$dsttype,$incr,$key);
- }
-
- # Get mandatory status and type info.
- my $mand;
- ($mand, $type, $dsttype, $key) = $type =~ /^(.)(.)([@%]?)$/;
-
- # Check if there is an option argument available.
- if ( defined $optarg ? ($optarg eq '')
- : !(defined $rest || @ARGV > 0) ) {
- # Complain if this option needs an argument.
- if ( $mand eq "=" ) {
- return (0) if $passthrough;
- warn ("Option ", $opt, " requires an argument\n");
- $error++;
- undef $opt;
- }
- if ( $mand eq ":" ) {
- $arg = $type eq "s" ? '' : 0;
- }
- return (1, $opt,$arg,$dsttype,$incr,$key);
- }
-
- # Get (possibly optional) argument.
- $arg = (defined $rest ? $rest
- : (defined $optarg ? $optarg : shift (@ARGV)));
-
- # Get key if this is a "name=value" pair for a hash option.
- $key = undef;
- if ($dsttype eq '%' && defined $arg) {
- ($key, $arg) = ($arg =~ /^([^=]*)=(.*)$/s) ? ($1, $2) : ($arg, 1);
- }
-
- #### Check if the argument is valid for this option ####
-
- if ( $type eq "s" ) { # string
- # A mandatory string takes anything.
- return (1, $opt,$arg,$dsttype,$incr,$key) if $mand eq "=";
-
- # An optional string takes almost anything.
- return (1, $opt,$arg,$dsttype,$incr,$key)
- if defined $optarg || defined $rest;
- return (1, $opt,$arg,$dsttype,$incr,$key) if $arg eq "-"; # ??
-
- # Check for option or option list terminator.
- if ($arg eq $argend ||
- $arg =~ /^$prefix.+/) {
- # Push back.
- unshift (@ARGV, $arg);
- # Supply empty value.
- $arg = '';
- }
- }
-
- elsif ( $type eq "n" || $type eq "i" ) { # numeric/integer
- if ( $bundling && defined $rest && $rest =~ /^([-+]?[0-9]+)(.*)$/s ) {
- $arg = $1;
- $rest = $2;
- unshift (@ARGV, $starter.$rest) if defined $rest && $rest ne '';
- }
- elsif ( $arg !~ /^[-+]?[0-9]+$/ ) {
- if ( defined $optarg || $mand eq "=" ) {
- if ( $passthrough ) {
- unshift (@ARGV, defined $rest ? $starter.$rest : $arg)
- unless defined $optarg;
- return (0);
- }
- warn ("Value \"", $arg, "\" invalid for option ",
- $opt, " (number expected)\n");
- $error++;
- undef $opt;
- # Push back.
- unshift (@ARGV, $starter.$rest) if defined $rest;
- }
- else {
- # Push back.
- unshift (@ARGV, defined $rest ? $starter.$rest : $arg);
- # Supply default value.
- $arg = 0;
- }
- }
- }
-
- elsif ( $type eq "f" ) { # real number, int is also ok
- # We require at least one digit before a point or 'e',
- # and at least one digit following the point and 'e'.
- # [-]NN[.NN][eNN]
- if ( $bundling && defined $rest &&
- $rest =~ /^([-+]?[0-9]+(\.[0-9]+)?([eE][-+]?[0-9]+)?)(.*)$/s ) {
- $arg = $1;
- $rest = $+;
- unshift (@ARGV, $starter.$rest) if defined $rest && $rest ne '';
- }
- elsif ( $arg !~ /^[-+]?[0-9.]+(\.[0-9]+)?([eE][-+]?[0-9]+)?$/ ) {
- if ( defined $optarg || $mand eq "=" ) {
- if ( $passthrough ) {
- unshift (@ARGV, defined $rest ? $starter.$rest : $arg)
- unless defined $optarg;
- return (0);
- }
- warn ("Value \"", $arg, "\" invalid for option ",
- $opt, " (real number expected)\n");
- $error++;
- undef $opt;
- # Push back.
- unshift (@ARGV, $starter.$rest) if defined $rest;
- }
- else {
- # Push back.
- unshift (@ARGV, defined $rest ? $starter.$rest : $arg);
- # Supply default value.
- $arg = 0.0;
- }
- }
- }
- else {
- Croak ("GetOpt::Long internal error (Can't happen)\n");
- }
- return (1, $opt, $arg, $dsttype, $incr, $key);
- }
-
- # end of Getopt::Long::FindOption
- 1;
-