1 files changed, 80 insertions, 0 deletions
diff --git a/doc/examples/base64.cpp b/doc/examples/base64.cpp
new file mode 100644
index 000000000..dbe8d19e3
--- /dev/null
+++ b/doc/examples/base64.cpp
@@ -0,0 +1,80 @@
+/*
+* Encode/decode base64 strings
+* (C) 2009 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#include <fstream>
+#include <iostream>
+#include <string>
+#include <vector>
+#include <cstring>
+#include <cstdlib>
+#include <botan/botan.h>
+
+int main(int argc, char* argv[])
+   {
+   if(argc < 2)
+      {
+      std::cout << "Usage: " << argv[0] << " [-w] [-c n] [-e|-d] files...\n"
+                   "   -e  : Encode input to base64 strings (default) \n"
+                   "   -d  : Decode base64 input\n"
+                   "   -w  : Wrap lines\n"
+                   "   -c n: Wrap lines at column n, default 78\n";
+      return 1;
+      }
+
+   Botan::LibraryInitializer init;
+
+   int column = 78;
+   bool wrap = false;
+   bool encoding = true;
+   std::vector<std::string> files;
+
+   for(int j = 1; argv[j] != 0; j++)
+      {
+      std::string this_arg = argv[j];
+
+      if(this_arg == "-w")
+         wrap = true;
+      else if(this_arg == "-e");
+      else if(this_arg == "-d")
+         encoding = false;
+      else if(this_arg == "-c")
+         {
+         if(argv[j+1])
+            { column = atoi(argv[j+1]); j++; }
+         else
+            {
+            std::cout << "No argument for -c option" << std::endl;
+            return 1;
+            }
+         }
+      else files.push_back(argv[j]);
+      }
+
+   for(unsigned int j = 0; j != files.size(); j++)
+      {
+      std::istream* stream;
+      if(files[j] == "-") stream = &std::cin;
+      else                stream = new std::ifstream(files[j].c_str());
+
+      if(!*stream)
+         {
+         std::cout << "ERROR, couldn't open " << files[j] << std::endl;
+         continue;
+         }
+
+      Botan::Pipe pipe((encoding) ?
+                   ((Botan::Filter*)new Botan::Base64_Encoder(wrap, column)) :
+                   ((Botan::Filter*)new Botan::Base64_Decoder));
+      pipe.start_msg();
+      *stream >> pipe;
+      pipe.end_msg();
+      pipe.set_default_msg(j);
+      std::cout << pipe;
+      if(files[j] != "-") delete stream;
+      }
+   return 0;
+   }