1 files changed, 55 insertions, 9 deletions
diff --git a/src/uscxml/util/Base64.h b/src/uscxml/util/Base64.h
index 0102046..3bd4c6c 100644
--- a/src/uscxml/util/Base64.h
+++ b/src/uscxml/util/Base64.h
@@ -1,15 +1,61 @@
-// taken from http://www.adp-gmbh.ch/cpp/common/base64.html
-#ifndef BASE64_H_5FKG12HF
-#define BASE64_H_5FKG12HF
+/*
+cdecode.h - c header for a base64 decoding algorithm
 
-#include <string>
-#include "uscxml/Common.h"
+This is part of the libb64 project, and has been placed in the public domain.
+For details, see http://sourceforge.net/projects/libb64
+*/
 
-namespace uscxml {
+#ifndef BASE64_H_MMR5NHB7
+#define BASE64_H_MMR5NHB7
 
-USCXML_API std::string base64_encode(char const* , unsigned int len);
-USCXML_API std::string base64_decode(std::string const& s);
+#ifdef __cplusplus
+extern "C" {
+#endif
 
+/// DECODE
+
+typedef enum
+{
+	step_a, step_b, step_c, step_d
+} base64_decodestep;
+
+typedef struct
+{
+	base64_decodestep step;
+	char plainchar;
+} base64_decodestate;
+
+void base64_init_decodestate(base64_decodestate* state_in);
+
+int base64_decode_value(char value_in);
+
+int base64_decode_block(const char* code_in, const int length_in, char* plaintext_out, base64_decodestate* state_in);
+
+/// ENDCODE
+
+typedef enum
+{
+	step_A, step_B, step_C
+} base64_encodestep;
+
+typedef struct
+{
+	base64_encodestep step;
+	char result;
+	int stepcount;
+} base64_encodestate;
+
+void base64_init_encodestate(base64_encodestate* state_in);
+
+char base64_encode_value(char value_in);
+
+int base64_encode_block(const char* plaintext_in, int length_in, char* code_out, base64_encodestate* state_in);
+
+int base64_encode_blockend(char* code_out, base64_encodestate* state_in);
+
+#ifdef __cplusplus
 }
+#endif
+
 
-#endif /* end of include guard: BASE64_H_5FKG12HF */
+#endif /* end of include guard: BASE64_H_MMR5NHB7 */