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lib/Perinci/Sub/To/FishComplete.pm  view on Meta::CPAN

        },
        meta_is_normalized => {
            schema => 'bool*',
        },
        common_opts => {
            summary => 'Will be passed to gen_getopt_long_spec_from_meta()',
            schema  => 'hash*',
        },
        gcd_res => {
            summary => 'Full result from gen_cli_doc_data_from_meta()',
            schema  => 'array*', # XXX envres
            description => <<'_',

If you already call `Perinci::Sub::To::CLIDocData`'s
`gen_cli_opt_spec_from_meta()`, you can pass the _full_ enveloped result here,
to avoid calculating twice.

_
        },
        per_arg_json => {
            summary => 'Pass per_arg_json=1 to Perinci::Sub::GetArgs::Argv',
            schema => 'bool',
        },
        per_arg_yaml => {
            summary => 'Pass per_arg_json=1 to Perinci::Sub::GetArgs::Argv',
            schema => 'bool',
        },
        lang => {
            schema => 'str*',
        },

        cmdname => {
            summary => 'Command name',
            schema => 'str*',
        },
    },
    result => {
        schema => 'str*',
        summary => 'A script that can be fed to the fish shell',
    },
};
sub gen_fish_complete_from_meta {
    my %args = @_;

    my $lang = $args{lang};
    my $meta = $args{meta} or return [400, 'Please specify meta'];
    my $common_opts = $args{common_opts};
    unless ($args{meta_is_normalized}) {
        require Perinci::Sub::Normalize;
        $meta = Perinci::Sub::Normalize::normalize_function_metadata($meta);
    }
    my $gcd_res = $args{gcd_res} // do {
        require Perinci::Sub::To::CLIDocData;
        Perinci::Sub::To::CLIDocData::gen_cli_doc_data_from_meta(
            meta=>$meta, meta_is_normalized=>1, common_opts=>$common_opts,
            per_arg_json => $args{per_arg_json},
            per_arg_yaml => $args{per_arg_yaml},
        );
    };
    $gcd_res->[0] == 200 or return $gcd_res;
    my $clidocdata = $gcd_res->[2];

    my $cmdname = $args{cmdname};
    if (!$cmdname) {
        ($cmdname = $0) =~ s!.+/!!;
    }

    my @cmds;
    my $prefix = "complete -c ".shell_quote($cmdname);
    push @cmds, "$prefix -e"; # currently does not work (fish bug)
    for my $opt0 (sort keys %{ $clidocdata->{opts} }) {
        my $ospec = $clidocdata->{opts}{$opt0};
        my $req_arg;
        for my $opt (split /, /, $opt0) {
            $opt =~ s/^--?//;
            $opt =~ s/=(.+)// and $req_arg = $1;

            my $cmd = $prefix;
            $cmd .= length($opt) > 1 ? " -l '$opt'" : " -s '$opt'";
            $cmd .= " -d ".shell_quote($ospec->{summary}) if $ospec->{summary};

          COMP_ARG_VAL:
            {
                last unless $req_arg;
                $cmd .= " -r -f";
                # check if completion is static, if yes then we can directly
                # specify the entries to the shell
                {
                    require Perinci::Sub::Complete;

                    my $compres;
                    last if $ospec->{is_json} || $ospec->{is_yaml} ||
                        $ospec->{is_base64};
                    #say "D:Checking if $opt has static completion ...";
                    if ($ospec->{arg}) {
                        if ($req_arg =~ /\@/) {
                            $compres =
                                Perinci::Sub::Complete::complete_arg_elem(
                                    arg=>$ospec->{arg}, ci=>1, index=>0,
                                    meta=>$meta,
                                );
                        } else {
                            $compres =
                                Perinci::Sub::Complete::complete_arg_val(
                                    arg=>$ospec->{arg}, ci=>1, meta=>$meta,
                                );
                        }
                    } elsif ($ospec->{is_alias} &&
                                 $ospec->{alias_spec}{schema}) {
                        # cmdline alias which has schema
                        require Data::Sah::Normalize;
                        $compres = Perinci::Sub::Complete::complete_from_schema(
                            ci=>1,
                            schema=>Data::Sah::Normalize::normalize_schema($ospec->{alias_spec}{schema}),
                        );
                    } elsif ($ospec->{schema}) {
                        # common opt which has schema
                        require Data::Sah::Normalize;
                        $compres = Perinci::Sub::Complete::complete_from_schema(
                            ci=>1,
                            schema=>Data::Sah::Normalize::normalize_schema($ospec->{schema}),
                        );
                    }

                    last unless $compres;
                    if ($compres->{static}) {
                        # XXX description
                        # XXX escape space
                        my @words = map {ref($_) ? $_->{word}:$_}
                            @{$compres->{words}};
                        $cmd .= " -a ".shell_quote(join(" ", @words));
                        last COMP_ARG_VAL;