1 files changed, 131 insertions, 0 deletions
diff --git a/Godeps/_workspace/src/github.com/huandu/facebook/misc.go b/Godeps/_workspace/src/github.com/huandu/facebook/misc.go
new file mode 100644
index 000000000..cdf7a9577
--- /dev/null
+++ b/Godeps/_workspace/src/github.com/huandu/facebook/misc.go
@@ -0,0 +1,131 @@
+// A facebook graph api client in go.
+// https://github.com/huandu/facebook/
+//
+// Copyright 2012 - 2015, Huan Du
+// Licensed under the MIT license
+// https://github.com/huandu/facebook/blob/master/LICENSE
+
+package facebook
+
+import (
+	"bytes"
+	"io"
+	"unicode"
+	"unicode/utf8"
+)
+
+func camelCaseToUnderScore(str string) string {
+	if len(str) == 0 {
+		return ""
+	}
+
+	buf := &bytes.Buffer{}
+	var prev, r0, r1 rune
+	var size int
+
+	r0 = '_'
+
+	for len(str) > 0 {
+		prev = r0
+		r0, size = utf8.DecodeRuneInString(str)
+		str = str[size:]
+
+		switch {
+		case r0 == utf8.RuneError:
+			buf.WriteByte(byte(str[0]))
+
+		case unicode.IsUpper(r0):
+			if prev != '_' {
+				buf.WriteRune('_')
+			}
+
+			buf.WriteRune(unicode.ToLower(r0))
+
+			if len(str) == 0 {
+				break
+			}
+
+			r0, size = utf8.DecodeRuneInString(str)
+			str = str[size:]
+
+			if !unicode.IsUpper(r0) {
+				buf.WriteRune(r0)
+				break
+			}
+
+			// find next non-upper-case character and insert `_` properly.
+			// it's designed to convert `HTTPServer` to `http_server`.
+			// if there are more than 2 adjacent upper case characters in a word,
+			// treat them as an abbreviation plus a normal word.
+			for len(str) > 0 {
+				r1 = r0
+				r0, size = utf8.DecodeRuneInString(str)
+				str = str[size:]
+
+				if r0 == utf8.RuneError {
+					buf.WriteRune(unicode.ToLower(r1))
+					buf.WriteByte(byte(str[0]))
+					break
+				}
+
+				if !unicode.IsUpper(r0) {
+					if r0 == '_' || r0 == ' ' || r0 == '-' {
+						r0 = '_'
+
+						buf.WriteRune(unicode.ToLower(r1))
+					} else {
+						buf.WriteRune('_')
+						buf.WriteRune(unicode.ToLower(r1))
+						buf.WriteRune(r0)
+					}
+
+					break
+				}
+
+				buf.WriteRune(unicode.ToLower(r1))
+			}
+
+			if len(str) == 0 || r0 == '_' {
+				buf.WriteRune(unicode.ToLower(r0))
+				break
+			}
+
+		default:
+			if r0 == ' ' || r0 == '-' {
+				r0 = '_'
+			}
+
+			buf.WriteRune(r0)
+		}
+	}
+
+	return buf.String()
+}
+
+// Returns error string.
+func (e *Error) Error() string {
+	return e.Message
+}
+
+// Creates a new binary data holder.
+func Data(filename string, source io.Reader) *binaryData {
+	return &binaryData{
+		Filename: filename,
+		Source:   source,
+	}
+}
+
+// Creates a binary file holder.
+func File(filename, path string) *binaryFile {
+	return &binaryFile{
+		Filename: filename,
+	}
+}
+
+// Creates a binary file holder and specific a different path for reading.
+func FileAlias(filename, path string) *binaryFile {
+	return &binaryFile{
+		Filename: filename,
+		Path:     path,
+	}
+}