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

   1 // Constants ...
   2 load_lib('phys_char.js');
   3 load_lib('fixed_fields.js');
   4 load_lib('JSON_v1.js');
   5
   6 function recordType (rec) {
   7
   8         var marcns = new Namespace("http://www.loc.gov/MARC21/slim");
   9         var _l = rec.marcns::leader.toString();
  10
  11         var _t = _l.substr(ff_pos.Type.ldr.BKS.start, ff_pos.Type.ldr.BKS.len);
  12         var _b = _l.substr(ff_pos.BLvl.ldr.BKS.start, ff_pos.BLvl.ldr.BKS.len);
  13
  14         for (var t in rec_type) {
  15                 if (_t.match(rec_type[t].Type) && _b.match(rec_type[t].BLvl)) {
  16                         return t;
  17                 }
  18         }
  19 }
  20
  21 function videorecordingFormatName (rec) {
  22         var marcns = new Namespace("http://www.loc.gov/MARC21/slim");
  23         var _7 = rec.marcns::controlfield.(@tag.match(/007/)).text().toString();
  24
  25         if (_7.match(/^v/)) {
  26                 var _v_e = _7.substr(
  27                         physical_characteristics.v.subfields.e.start,
  28                         physical_characteristics.v.subfields.e.len
  29                 );
  30
  31                 return physical_characteristics.v.subfields.e.values[ _v_e ];
  32         }
  33
  34         return null;
  35 }
  36
  37 function videorecordingFormatCode (rec) {
  38         var marcns = new Namespace("http://www.loc.gov/MARC21/slim");
  39         var _7 = rec.marcns::controlfield.(@tag.match(/007/)).text().toString();
  40
  41         if (_7.match(/^v/)) {
  42                 return _7.substr(
  43                         physical_characteristics.v.subfields.e.start,
  44                         physical_characteristics.v.subfields.e.len
  45                 );
  46         }
  47
  48         return null;
  49 }
  50
  51
  52 function extractFixedField (rec, field) {
  53
  54         var marcns = new Namespace("http://www.loc.gov/MARC21/slim");
  55         var _l = rec.marcns::leader.toString();
  56         var _8 = rec.marcns::controlfield.(@tag.match(/008/)).text().toString();
  57         var _6 = rec.marcns::controlfield.(@tag.match(/006/)).text().toString();
  58
  59         var rtype = recordType(rec);
  60
  61         var val;
  62
  63         if (ff_pos[field].ldr) {
  64                 if (ff_pos[field].ldr[rtype]) {
  65                         val = _l.substr(
  66                                 ff_pos[field].ldr[rtype].start,
  67                                 ff_pos[field].ldr[rtype].len
  68                         );
  69                 }
  70         } else if (ff_pos[field]._8) {
  71                 if (ff_pos[field]._8[rtype]) {
  72                         val = _8.substr(
  73                                 ff_pos[field]._8[rtype].start,
  74                                 ff_pos[field]._8[rtype].len
  75                         );
  76                 }
  77         }
  78
  79         if (!val && ff_pos[field]._6) {
  80                 if (ff_pos[field]._6[rtype]) {
  81                         val = _6.substr(
  82                                 ff_pos[field]._6[rtype].start,
  83                                 ff_pos[field]._6[rtype].len
  84                         );
  85                 }
  86         }
  87
  88         return val;
  89 }
  90