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Annotation of foxridge-archiver/changemeta.pl, revision 1.2

1.1       casties     1: #!/usr/local/bin/perl -w
                      2: 
                      3: use strict;
                      4: use XML::LibXML;
                      5: 
                      6: use lib '/usr/local/mpiwg/archive_devel';
                      7: use MPIWGStor;
                      8: 
                      9: # make output unbuffered
                     10: $|=1;
                     11: 
                     12: # program version
1.2     ! casties    13: my $version = "0.2 (27.6.2006 ROC)";
1.1       casties    14: my $help = 
                     15: "use: checkmeta [options] dir
                     16: options:
                     17:   -debug  show debugging info
                     18:   -dry-run  simulate, dont'do anything
1.2     ! casties    19:   -access=free  set free access tag (use access=mpiwg for restricted access)
1.1       casties    20: ";
                     21: logger("INFO", "checkmeta $version");
                     22: 
                     23: 
                     24: #######################################################
                     25: # internal parameters
                     26: #
                     27: 
                     28: # read command line parameters
                     29: my $args = MPIWGStor::parseargs;
                     30: if (! scalar(%$args)) {
                     31:     print $help, "\n";
                     32:     exit 1;
                     33: }
                     34: 
                     35: # debug level
                     36: $debug = (exists $$args{'debug'}) ? $$args{'debug'} : 0;
                     37: 
                     38: # simulate action only
                     39: my $dry_run = (exists $$args{'dry-run'}) ? $$args{'dry-run'} : 0;
                     40: logger('DEBUG', "dry-run: $dry_run");
                     41: 
                     42: # access type
                     43: my $access_type = (exists $$args{'access'}) ? $$args{'access'} : "";
                     44: logger('DEBUG', "access: $access_type");
                     45: 
                     46: # index.meta namespace (not really implemented!)
                     47: my $namespace = "";
                     48: 
                     49: 
                     50: my $xml_changed = 0;
                     51: my $errcnt = 0;
                     52: my $warncnt = 0;
                     53: 
                     54: #######################################################
                     55: # check parameters that were passed to the program
                     56: #
                     57: my $docdir = $$args{'path'};
                     58: if (! $docdir) {
                     59:     logger("ABORT", "no document directory given!");
                     60:     exit 1;
                     61: }
                     62: # strip double slashes
                     63: $docdir = sstrip($docdir, 1);
                     64: if (! -d $docdir) {
                     65:     logger("ABORT", "document directory \'$docdir\' doesn't exist!");
                     66:     exit 1;
                     67: }
                     68: 
                     69: 
                     70: #######################################################
                     71: # subroutines
                     72: #
                     73: 
                     74: #
                     75: # sets access tag to given access_type
                     76: # removes access tag if access_type is empty
                     77: #
                     78: sub change_access {
                     79:     my ($access_type, $index_root) = @_;
                     80: 
                     81:     my $parent_tag = $index_root->findnodes('//meta/access-conditions')->get_node(1);
                     82:     if ($parent_tag) {
                     83:    my $access_tag = $parent_tag->findnodes('access')->get_node(1);
1.2     ! casties    84:    # remove access tag if it exists
1.1       casties    85:    if ($access_tag) {
                     86:        $parent_tag->removeChild($access_tag);
                     87:    }
                     88:     } else {
                     89:    $parent_tag = create_element_path('meta/access-conditions', $index_root, $namespace);
                     90:     }
                     91: 
1.2     ! casties    92:     # add new access tag (if $access_Type is not empty)
1.1       casties    93:     if ($access_type eq "free") {
                     94:    create_element_path('access@type=free', $parent_tag, $namespace);
                     95:     } elsif (length $access_type > 0) {
                     96:    my $acc_tag = create_element_path('access@type=institution', $parent_tag, $namespace);
                     97:    create_text_path('name', $access_type, $acc_tag, $namespace);
                     98:     }
                     99:     $xml_changed++
                    100: }
                    101: 
                    102: 
                    103: 
                    104: 
                    105: 
                    106: 
                    107: 
                    108: #######################################################
                    109: # Main
                    110: #
                    111: 
                    112: my $index_doc;
                    113: my $index_root;
                    114: 
                    115: # load index.meta file
                    116: if (-f "$docdir/index.meta") {
                    117:     ($index_doc, $index_root) = read_xml("$docdir/index.meta");
                    118: } else {
                    119:     logger("ABORT", "index file \'$docdir/index.meta\' doesn't exist!");
                    120:     exit 1;
                    121: }
                    122: 
                    123: if ($access_type) {
1.2     ! casties   124:     change_access($access_type, $index_root);
1.1       casties   125: }
                    126: 
                    127: 
                    128: logger("INFO", "$warncnt warnings");
                    129: logger("INFO", "$errcnt errors");
                    130: if ($errcnt > 0) {
                    131:     logger("ABORT", "there were errors!");
                    132:     exit 1;
                    133: } elsif ($xml_changed) {
                    134:     # write new index.meta file
                    135:     if ($dry_run) {
                    136:    logger('DEBUG', "would write $docdir/index.meta");
                    137:    logger('DEBUG', $index_doc->toString(1));
                    138:     } else {
1.2     ! casties   139:    write_xml($index_doc, "$docdir/index.meta");
1.1       casties   140:     }
                    141:     logger("DONE", "changed index file successfully!");
                    142: } else {
                    143:     logger("DONE", "didn't change index file");
                    144: }
                    145: