base64.h

00001 
00002 /*
00003 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
00004  
00005 Permission is hereby granted, free of charge, to any person obtaining a copy
00006 of this software and associated documentation files (the "Software"), to deal
00007 in the Software without restriction, including without limitation the rights
00008 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00009 copies of the Software, and to permit persons to whom the Software is
00010 furnished to do so, subject to the following conditions:
00011  
00012 The above copyright notice and this permission notice shall be included in
00013 all copies or substantial portions of the Software.
00014  
00015 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00016 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00017 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00018 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00019 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00020 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00021 THE SOFTWARE.
00022 */
00023 
00024 #ifndef BASE64_H
00025 #define BASE64_H
00026 
00027 #include <string>
00028 using std::string;
00029 
00030 #ifdef __cplusplus
00031 extern "C" {
00032 #endif
00033 
00034 //Originaly from Rolf's iputil.h
00035 
00036 unsigned int base64enc_len(const char *str);
00037 
00038 void base64enc(const char *input, unsigned int length, char *output);
00039 
00040 #ifdef __cplusplus
00041 }
00042 #endif
00043 
00044 class Base64
00045 {
00046 public:
00047   static string encode(const string& str)
00048   {
00049     char* out = new char[ base64enc_len(str.c_str()) ];
00050     base64enc(str.c_str(), str.length(), out);
00051     string res(out);
00052     delete[] out;
00053     return res;
00054   }
00055 };
00056 
00057 #endif /* LWIP_UTILS_H */