Remove underscores in GlyphHash lookups

Certain PDFs use names like 'f_i' to stand for 'fi', so we remove all underscores.
yob · Oct 19, 2011 · fdd1c07 · fdd1c07
1 parent cd0a080
commit fdd1c07
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diff --git a/lib/pdf/reader/glyph_hash.rb b/lib/pdf/reader/glyph_hash.rb
@@ -48,6 +48,7 @@ def initialize
     def [](name)
       return nil unless name.is_a?(Symbol)
 
+      name = name.to_s.gsub('_', '').intern
       str = name.to_s
 
       if @adobe.has_key?(name)

diff --git a/spec/glyph_hash_spec.rb b/spec/glyph_hash_spec.rb
@@ -13,6 +13,11 @@
     map[:zukatakana].should eql(0x30BA)
   end
 
+  it "should correctly map a glyph name with underscores to unicode" do
+    map = PDF::Reader::GlyphHash.new
+    map[:f_i].should eql(map[:fi])
+  end
+
   it "should correctly map a uniHHHH glyph to unicode" do
     map = PDF::Reader::GlyphHash.new
     map[:uni0032].should eql(0x0032)