Cache up to 20% of objects

bradediger · Feb 6, 2012 · e71cd17 · e71cd17
1 parent 2b8a00d
commit e71cd17
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/lib/pdf/reader/object_cache.rb b/lib/pdf/reader/object_cache.rb
@@ -17,7 +17,7 @@ class ObjectCache # nodoc
 
     def initialize(lru_size = 1000)
       @objects = {}
-      @lru_cache = LRUCache.new(:max_size => lru_size)
+      @lru_cache = LRUCache.new(:max_size => lru_size.to_i)
     end
 
     def [](key)

diff --git a/lib/pdf/reader/object_hash.rb b/lib/pdf/reader/object_hash.rb
@@ -44,7 +44,8 @@ def initialize(input, opts = {})
       @pdf_version = read_version
       @xref        = PDF::Reader::XRef.new(@io)
       @trailer     = @xref.trailer
-      @cache       = PDF::Reader::ObjectCache.new
+      # cache up to 20% of objects. Should this be configurable?
+      @cache       = PDF::Reader::ObjectCache.new(@xref.size * 0.2)
       @sec_handler = build_security_handler(opts)
     end