[29665] | 1 | #!/usr/bin/env perl
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| 2 |
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| 3 | use strict;
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| 4 | use warnings;
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| 5 | use utf8;
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| 6 |
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| 7 | use Data::Dumper;
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[29668] | 8 | use POSIX 'isatty';
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[29665] | 9 |
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[29673] | 10 | use lib 'perllib';
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[29678] | 11 | use Greenstone::XML::Tidy;
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[29665] | 12 |
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[29679] | 13 | my $hash = Hash::Ordered->new;
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[29668] | 14 | my %commands;
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| 15 | # Command structure:
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| 16 | # key: Case-insensitive name of the command
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| 17 | # val: Array of info about the command
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| 18 | # [0]: Description of the command
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| 19 | # [1]: Function that is run for the command
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| 20 | # [2]: Number of arguments of the command (if any)
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[29672] | 21 | # [3]: True if the command has a variable number of args
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[29668] | 22 | %commands = (
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| 23 | help => [
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| 24 | 'Prints help about the available commands',
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| 25 | sub {
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| 26 | for my $cmd (sort keys %commands) {
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| 27 | printf "%-10s %s\n", $cmd, $commands{$cmd}[0];
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| 28 | }
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| 29 | },
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| 30 | ],
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| 31 | clear => [
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| 32 | 'Clears the internal state',
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| 33 | sub {
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[29679] | 34 | $hash = Hash::Ordered->new;
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[29668] | 35 | }
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| 36 | ],
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| 37 | read => [
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[29672] | 38 | "Parses XML from a file into the internal state\n input_file (- for STDIN)",
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[29668] | 39 | sub {
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[29678] | 40 | my $new = read_xml shift @ARGV;
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[29671] | 41 | # Append the new data to the current data
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[29679] | 42 | for my $key ($new->keys) {
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| 43 | if ($key eq '.attr' and $hash->exists ('.attr')) {
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| 44 | my $existing_attr = $hash->get ('.attr');
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| 45 | my $new_attr = $new->get ('.attr');
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| 46 | for my $attr ($new_attr->keys) {
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| 47 | $existing_attr->set ($attr => $new_attr->get ($attr));
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[29671] | 48 | }
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[29679] | 49 | } elsif ($hash->exists ($key)) {
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| 50 | my $existing = $hash->get ($key);
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| 51 | if (ref $existing ne 'ARRAY') {
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| 52 | $existing = [ $existing ];
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| 53 | $hash->set ($key => $existing);
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[29671] | 54 | }
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[29679] | 55 | my $new_val = $new->get ($key);
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| 56 | push @{$existing},
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| 57 | (ref $new_val eq 'ARRAY' ? @{$new_val} : $new_val);
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[29671] | 58 | } else {
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[29679] | 59 | $hash->set ($key => $new->get ($key));
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[29671] | 60 | }
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| 61 | }
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[29668] | 62 | },
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| 63 | 1,
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| 64 | ],
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| 65 | write => [
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[29672] | 66 | "Writes the current internal state as XML to a file\n output_file (- for STDOUT)",
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[29668] | 67 | sub {
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[29678] | 68 | write_xml $hash, shift @ARGV;
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[29668] | 69 | },
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| 70 | 1,
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| 71 | ],
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| 72 | debug => [
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[29669] | 73 | 'Dumps the current internal state to stdout',
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[29668] | 74 | sub {
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[29665] | 75 | print Dumper $hash;
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[29668] | 76 | },
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| 77 | ],
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| 78 | count => [
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[29669] | 79 | 'Returns the number of servlets in the current internal state',
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[29668] | 80 | sub {
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| 81 | my $count = 0;
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[29674] | 82 | if (exists $hash->{servlet}) {
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[29668] | 83 | $count = 1;
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| 84 | my $servlets = $hash->{servlet};
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| 85 | if (ref $servlets eq 'ARRAY') {
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| 86 | $count = scalar @{$hash->{servlet}};
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| 87 | }
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[29666] | 88 | }
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[29668] | 89 | print $count, "\n";
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| 90 | },
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| 91 | ],
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| 92 | list => [
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| 93 | 'Lists the servlets in the current internal state',
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| 94 | sub {
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[29674] | 95 | if (exists $hash->{servlet}) {
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[29668] | 96 | my $servlets = $hash->{servlet};
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| 97 | if (ref $servlets eq 'ARRAY') {
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| 98 | for my $servlet (@{$hash->{servlet}}) {
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| 99 | print $servlet->{'servlet-name'}, "\n";
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| 100 | }
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| 101 | } else {
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| 102 | print $servlets->{'servlet-name'}, "\n";
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[29666] | 103 | }
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| 104 | } else {
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[29668] | 105 | print STDERR "No servlets found. Was valid XML provided?\n";
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[29665] | 106 | }
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[29668] | 107 | },
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| 108 | ],
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[29669] | 109 | remove => [
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| 110 | 'Removes a servlet from the current internal state',
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| 111 | sub {
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| 112 | my $name = shift @ARGV;
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[29674] | 113 | if (exists $hash->{servlet}) {
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[29669] | 114 | my $servlets = $hash->{servlet};
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| 115 | if (ref $servlets eq 'ARRAY') {
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| 116 | my @array = grep { $_->{'servlet-name'} ne $name } @$servlets;
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| 117 | $hash->{servlet} = \@array;
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| 118 | } elsif ($servlets->{'servlet-name'} eq $name) {
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| 119 | delete $hash->{servlet};
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| 120 | }
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| 121 | }
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| 122 | },
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| 123 | 1,
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| 124 | ],
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[29672] | 125 | add => [
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| 126 | "Adds a new servlet to the current internal state\n name description class [param=value param2=value...] ;",
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| 127 | sub {
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| 128 | my %servlet = (
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| 129 | 'servlet-name' => shift @ARGV,
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| 130 | 'description' => shift @ARGV,
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| 131 | 'servlet-class'=> shift @ARGV,
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| 132 | 'init-param' => [],
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| 133 | );
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| 134 | while (@ARGV) {
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| 135 | my $param = shift @ARGV;
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| 136 | $param eq ';' and last;
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| 137 | my ($key, $value) = split '=', $param, 2;
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| 138 | (defined $key and defined $value) or die "Expected params in form 'param=value'\n";
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| 139 | push @{$servlet{'init-param'}}, {
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| 140 | 'param-name' => $key,
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| 141 | 'param-value' => $value,
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| 142 | };
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| 143 | }
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[29674] | 144 | if (exists $hash->{servlet}) {
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[29672] | 145 | unless (ref $hash->{servlet} eq 'ARRAY') {
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| 146 | $hash->{servlet} = [ $hash->{servlet} ];
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| 147 | }
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| 148 | push @{$hash->{servlet}}, \%servlet;
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| 149 | } else {
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| 150 | $hash->{servlet} = \%servlet;
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| 151 | }
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| 152 | },
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| 153 | 3,
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| 154 | 1,
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| 155 | ],
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[29668] | 156 | );
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| 157 |
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| 158 | # Check that all given commands are valid
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| 159 | my $argc = 0;
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[29672] | 160 | my $varargs = 0;
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[29668] | 161 | for my $cmd (@ARGV) {
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[29672] | 162 | if ($varargs and $cmd eq ';') {
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| 163 | $varargs = 0;
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| 164 | } elsif ($argc > 0) {
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[29668] | 165 | # skip arguments to a previous command
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| 166 | $argc --;
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[29672] | 167 | } elsif ($varargs) {
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[29674] | 168 | } elsif (exists $commands{$cmd}) {
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[29668] | 169 | # get the argument count of a valid command
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| 170 | $argc = @{$commands{$cmd}}[2];
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| 171 | defined $argc or ($argc = 0);
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[29672] | 172 | $varargs = @{$commands{$cmd}}[3];
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[29668] | 173 | } else {
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| 174 | # invalid command
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| 175 | print STDERR "Valid commands are:\n";
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| 176 | @{$commands{help}}[1]->();
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| 177 | die "Invalid command '" . $cmd . "'\n";
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[29665] | 178 | }
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| 179 | }
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[29672] | 180 | $argc != 0 and die "Expected $argc more argument" . ($argc != 1 ? "s" : "") . "\n";
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| 181 | $varargs and die "Unclosed vararg command. Add an argument ';' to close the varargs\n";
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[29668] | 182 |
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| 183 | # Run the commands
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| 184 | while (@ARGV) {
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| 185 | @{$commands{lc shift}}[1]->();
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| 186 | }
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