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-rw-r--r--include/charset.h13
-rw-r--r--include/enums.h2
-rw-r--r--include/libstate.h5
-rw-r--r--src/libstate.cpp26
4 files changed, 46 insertions, 0 deletions
diff --git a/include/charset.h b/include/charset.h
index f2fb33e76..a79530f05 100644
--- a/include/charset.h
+++ b/include/charset.h
@@ -7,11 +7,24 @@
#define BOTAN_CHARSET_H__
#include <botan/types.h>
+#include <botan/enums.h>
#include <string>
namespace Botan {
/*************************************************
+* Character Set Transcoder Object *
+*************************************************/
+class Charset_Transcoder
+ {
+ public:
+ virtual std::string transcode(const std::string&,
+ Character_Set, Character_Set) const = 0;
+
+ virtual ~Charset_Transcoder() {}
+ };
+
+/*************************************************
* Character Set Handling *
*************************************************/
bool is_digit(char);
diff --git a/include/enums.h b/include/enums.h
index 0d3841d68..c03f71004 100644
--- a/include/enums.h
+++ b/include/enums.h
@@ -92,6 +92,8 @@ enum Cipher_Dir { ENCRYPTION, DECRYPTION };
enum Signature_Format { IEEE_1363, DER_SEQUENCE };
+enum Character_Set { LOCAL_CHARSET, UTF8_CHARSET, LATIN1_CHARSET };
+
}
#endif
diff --git a/include/libstate.h b/include/libstate.h
index 340644502..ccc09c224 100644
--- a/include/libstate.h
+++ b/include/libstate.h
@@ -51,6 +51,10 @@ class Library_State
class Mutex* get_mutex();
+ void set_transcoder(class Charset_Transcoder*);
+ std::string transcode(const std::string,
+ Character_Set, Character_Set) const;
+
Library_State(class Mutex_Factory*, class Timer*);
~Library_State();
private:
@@ -68,6 +72,7 @@ class Library_State
std::map<std::string, Allocator*> alloc_factory;
mutable Allocator* cached_default_allocator;
+ class Charset_Transcoder* transcoder;
RandomNumberGenerator* rng;
std::vector<EntropySource*> entropy_sources;
std::vector<class Engine*> engines;
diff --git a/src/libstate.cpp b/src/libstate.cpp
index 456a4a8dd..581345f76 100644
--- a/src/libstate.cpp
+++ b/src/libstate.cpp
@@ -8,6 +8,7 @@
#include <botan/engine.h>
#include <botan/mutex.h>
#include <botan/timers.h>
+#include <botan/charset.h>
namespace Botan {
@@ -264,6 +265,29 @@ void Library_State::add_engine(Engine* engine)
}
/*************************************************
+* Set the character set transcoder object *
+*************************************************/
+void Library_State::set_transcoder(class Charset_Transcoder* transcoder)
+ {
+ if(this->transcoder)
+ delete this->transcoder;
+ this->transcoder = transcoder;
+ }
+
+/*************************************************
+* Transcode a string from one charset to another *
+*************************************************/
+std::string Library_State::transcode(const std::string str,
+ Character_Set to,
+ Character_Set from) const
+ {
+ if(!transcoder)
+ throw Invalid_State("Library_State::transcode: No transcoder set");
+
+ return transcoder->transcode(str, to, from);
+ }
+
+/*************************************************
* Library_State Constructor *
*************************************************/
Library_State::Library_State(Mutex_Factory* mutex_factory, Timer* timer)
@@ -275,6 +299,7 @@ Library_State::Library_State(Mutex_Factory* mutex_factory, Timer* timer)
this->mutex_factory = mutex_factory;
this->timer = timer;
+ this->transcoder = 0;
locks["settings"] = get_mutex();
locks["allocator"] = get_mutex();
@@ -307,6 +332,7 @@ Library_State::~Library_State()
delete j->second;
}
+ delete transcoder;
delete mutex_factory;
delete timer;