merge PR#317 from isimisi:dev

Author: modesty

base/display/metadata.js

@@ -18,80 +18,94 @@
 
 'use strict';
 
-var Metadata = PDFJS.Metadata = (function MetadataClosure() {
-  function fixMetadata(meta) {
-    return meta.replace(/>\\376\\377([^<]+)/g, function(all, codes) {
-      var bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g,
-                                function(code, d1, d2, d3) {
-        return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);
+var Metadata = (PDFJS.Metadata = (function MetadataClosure() {
+   function fixMetadata(meta) {
+      return meta.replace(/>\\376\\377([^<]+)/g, function (all, codes) {
+         var bytes = codes.replace(
+            /\\([0-3])([0-7])([0-7])/g,
+            function (code, d1, d2, d3) {
+               return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);
+            }
+         );
+         var chars = '';
+         for (var i = 0; i < bytes.length; i += 2) {
+            var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);
+            chars +=
+               code >= 32 &&
+               code < 127 &&
+               code != 60 &&
+               code != 62 &&
+               code != 38 &&
+               false
+                  ? String.fromCharCode(code)
+                  : '&#x' + (0x10000 + code).toString(16).substring(1) + ';';
+         }
+         return '>' + chars;
       });
-      var chars = '';
-      for (var i = 0; i < bytes.length; i += 2) {
-        var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);
-        chars += code >= 32 && code < 127 && code != 60 && code != 62 &&
-          code != 38 && false ? String.fromCharCode(code) :
-          '&#x' + (0x10000 + code).toString(16).substring(1) + ';';
-      }
-      return '>' + chars;
-    });
-  }
+   }
 
-  function Metadata(meta) {
-    if (typeof meta === 'string') {
-      // Ghostscript produces invalid metadata
-      meta = fixMetadata(meta);
+   function Metadata(meta) {
+      if (typeof meta === 'string') {
+         // Ghostscript produces invalid metadata
+         meta = fixMetadata(meta);
 
-      var parser = new DOMParser();
-      meta = parser.parseFromString(meta, 'application/xml');
-    } else if (!(meta instanceof Document)) {
-      error('Metadata: Invalid metadata object');
-    }
+         var parser = new DOMParser();
+         meta = parser.parseFromString(meta, 'application/xml');
+      } else if (!(meta instanceof Document)) {
+         error('Metadata: Invalid metadata object');
+      }
 
-    this.metaDocument = meta;
-    this.metadata = {};
-    this.parse();
-  }
+      this.metaDocument = meta;
+      this.metadata = {};
+      this.parse();
+   }
 
-  Metadata.prototype = {
-    parse: function Metadata_parse() {
-      var doc = this.metaDocument;
-      var rdf = doc.documentElement;
+   Metadata.prototype = {
+      parse: function Metadata_parse() {
+         var doc = this.metaDocument;
+         var rdf = doc.documentElement;
 
-      if (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') { // Wrapped in <xmpmeta>
-        rdf = rdf.firstChild;
-        while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf')
-          rdf = rdf.nextSibling;
-      }
+         if (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
+            // Wrapped in <xmpmeta>
+            rdf = rdf.firstChild;
+            while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf')
+               rdf = rdf.nextSibling;
+         }
 
-      var nodeName = (rdf) ? rdf.nodeName.toLowerCase() : null;
-      if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes())
-        return;
+         var nodeName = rdf ? rdf.nodeName.toLowerCase() : null;
+         if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) return;
 
-      var children = rdf.childNodes, desc, entry, name, i, ii, length, iLength;
+         var children = rdf.childNodes,
+            desc,
+            entry,
+            name,
+            i,
+            ii,
+            length,
+            iLength;
 
-      for (i = 0, length = children.length; i < length; i++) {
-        desc = children[i];
-        if (desc.nodeName.toLowerCase() !== 'rdf:description')
-          continue;
+         for (i = 0, length = children.length; i < length; i++) {
+            desc = children[i];
+            if (desc.nodeName.toLowerCase() !== 'rdf:description') continue;
 
-        for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) {
-          if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') {
-            entry = desc.childNodes[ii];
-            name = entry.nodeName.toLowerCase();
-            this.metadata[name] = entry.textContent.trim();
-          }
-        }
-      }
-    },
+            for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) {
+               if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') {
+                  entry = desc.childNodes[ii];
+                  name = entry.nodeName.toLowerCase();
+                  this.metadata[name] = entry.textContent.trim();
+               }
+            }
+         }
+      },
 
-    get: function Metadata_get(name) {
-      return this.metadata[name] || null;
-    },
+      get: function Metadata_get(name) {
+         return this.metadata[name] || null;
+      },
 
-    has: function Metadata_has(name) {
-      return typeof this.metadata[name] !== 'undefined';
-    }
-  };
+      has: function Metadata_has(name) {
+         return typeof this.metadata[name] !== 'undefined';
+      },
+   };
 
-  return Metadata;
-})();
+   return Metadata;
+})());