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-rw-r--r--lib/ffi_yajl/parser.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/ffi_yajl/parser.rb b/lib/ffi_yajl/parser.rb
index b6c8ce2..380604f 100644
--- a/lib/ffi_yajl/parser.rb
+++ b/lib/ffi_yajl/parser.rb
@@ -31,6 +31,8 @@ module FFI_Yajl
end
def parse(str)
+ raise FFI_Yajl::ParseError, "input must be a string or IO" unless str.is_a?(String) || str.respond_to?(:read)
+
# initialization that we can do in pure ruby
yajl_opts = {}