Open-ILS/src/javascript/backend/catalog/record_type.js

   1 // Constants ...
   2 load_lib('phys_char.js');
   3 load_lib('fixed_fields.js');
   4
   5 function recordType (rec) {
   6
   7         var marcns = new Namespace("http://www.loc.gov/MARC21/slim");
   8         var _l = rec.marcns::leader.toString();
   9
  10         var _t = _l.substr(ff_pos.Type.ldr.BKS.start, ff_pos.Type.ldr.BKS.len);
  11         var _b = _l.substr(ff_pos.BLvl.ldr.BKS.start, ff_pos.BLvl.ldr.BKS.len);
  12
  13         for (var t in rec_type) {
  14                 if (_t.match(rec_type[t].Type) && _b.match(rec_type[t].BLvl)) {
  15                         return t;
  16                 }
  17         }
  18 }
  19
  20 function videorecordingFormatName (rec) {
  21         var marcns = new Namespace("http://www.loc.gov/MARC21/slim");
  22         var _7 = rec.marcns::controlfield.(@tag.match(/007/)).text().toString();
  23
  24         if (_7.match(/^v/)) {
  25                 var _v_e = _7.substr(
  26                         physical_characteristics.v.subfields.e.start,
  27                         physical_characteristics.v.subfields.e.len
  28                 );
  29
  30                 return physical_characteristics.v.subfields.e.values[ _v_e ];
  31         }
  32
  33         return null;
  34 }
  35
  36 function videorecordingFormatCode (rec) {
  37         var marcns = new Namespace("http://www.loc.gov/MARC21/slim");
  38         var _7 = rec.marcns::controlfield.(@tag.match(/007/)).text().toString();
  39
  40         if (_7.match(/^v/)) {
  41                 return _7.substr(
  42                         physical_characteristics.v.subfields.e.start,
  43                         physical_characteristics.v.subfields.e.len
  44                 );
  45         }
  46
  47         return null;
  48 }
  49
  50
  51 function extractFixedField (rec, field) {
  52
  53         var marcns = new Namespace("http://www.loc.gov/MARC21/slim");
  54         var _l = rec.marcns::leader.toString();
  55         var _8 = rec.marcns::controlfield.(@tag.match(/008/)).text().toString();
  56         var _6 = rec.marcns::controlfield.(@tag.match(/006/)).text().toString();
  57
  58         var rtype = recordType(rec);
  59
  60         var val;
  61
  62         if (ff_pos[field].ldr) {
  63                 if (ff_pos[field].ldr[rtype]) {
  64                         val = _l.substr(
  65                                 ff_pos[field].ldr[rtype].start,
  66                                 ff_pos[field].ldr[rtype].len
  67                         );
  68                 }
  69         } else if (ff_pos[field]._8) {
  70                 if (ff_pos[field]._8[rtype]) {
  71                         val = _8.substr(
  72                                 ff_pos[field]._8[rtype].start,
  73                                 ff_pos[field]._8[rtype].len
  74                         );
  75                 }
  76         }
  77
  78         if (!val && ff_pos[field]._6) {
  79                 if (ff_pos[field]._6[rtype]) {
  80                         val = _6.substr(
  81                                 ff_pos[field]._6[rtype].start,
  82                                 ff_pos[field]._6[rtype].len
  83                         );
  84                 }
  85         }
  86
  87         return val;
  88 }
  89