Performance and bugfix for WebSockets

1 files changed, 58 insertions, 0 deletions

diff --git a/src/uscxml/Message.cpp b/src/uscxml/Message.cpp
index c79e08a..26cf640 100644
--- a/src/uscxml/Message.cpp
+++ b/src/uscxml/Message.cpp
@@ -61,6 +61,64 @@ Blob::Blob(void* _data, size_t _size, const std::string& _mimeType, bool adopt)
 	size = _size;
 }
 
+#if 0
+// there used to work base64 encoded images in a browser - can't check extensively just now
+static const std::string base64_chars =
+    "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    "abcdefghijklmnopqrstuvwxyz"
+    "0123456789+/";
+
+std::string Blob::base64() {
+
+	int in_len = size;
+	char const* bytes_to_encode = data;
+
+	std::string ret;
+	int i = 0;
+	int j = 0;
+	unsigned char char_array_3[3];
+	unsigned char char_array_4[4];
+
+	while (in_len--) {
+		char_array_3[i++] = *(bytes_to_encode++);
+		if (i == 3) {
+			char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
+			char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
+			char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
+			char_array_4[3] = char_array_3[2] & 0x3f;
+
+			for(i = 0; (i <4) ; i++)
+				ret += base64_chars[char_array_4[i]];
+			i = 0;
+		}
+	}
+
+	if (i) {
+		for(j = i; j < 3; j++)
+			char_array_3[j] = '\0';
+
+		char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
+		char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
+		char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
+		char_array_4[3] = char_array_3[2] & 0x3f;
+
+		for (j = 0; (j < i + 1); j++)
+			ret += base64_chars[char_array_4[j]];
+
+		while((i++ < 3))
+			ret += '=';
+
+	}
+
+	return ret;
+
+}
+#else
+std::string Blob::base64() {
+	return base64Encode((char* const)data, size);
+}
+#endif
+
 Data::Data(const char* _data, size_t _size, const std::string& mimeType, bool adopt) {
 	binary = boost::shared_ptr<Blob>(new Blob((void*)_data, _size, mimeType, adopt));
 }