// Name: base64.h
// Purpose: interface of global functions
// Author: wxWidgets team
-// RCS-ID: $Id$
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
/** @addtogroup group_funcmacro_misc */
//@{
+/**
+ Elements of this enum specify the possible behaviours of wxBase64Decode
+ when an invalid character is encountered.
+*/
+enum wxBase64DecodeMode
+{
+ wxBase64DecodeMode_Strict, ///< Normal behaviour: stop at any invalid characters.
+ wxBase64DecodeMode_SkipWS, ///< Skip whitespace characters.
+ wxBase64DecodeMode_Relaxed ///< The most lenient behaviour: simply ignore all invalid characters.
+};
+
/**
This function encodes the given data using base64.
This overload is a raw decoding function and decodes the data into the
provided buffer @a dst of the given size @e dstLen. An error is returned if
the buffer is not large enough -- that is not at least
- wxBase64DecodedSize(srcLen) bytes.
+ wxBase64DecodedSize(srcLen) bytes. Notice that the buffer will @e not be
+ @NULL-terminated.
This overload returns the number of bytes written to the buffer or the
necessary buffer size if @a dst was @NULL or @c wxCONV_FAILED on error,
const char* src,
size_t srcLen = wxNO_LEN,
wxBase64DecodeMode mode = wxBase64DecodeMode_Strict,
- size_t posErr = NULL);
+ size_t *posErr = NULL);
/**
- See the wxBase64Decode(void*,size_t,const char*,size_t,wxBase64DecodeMode,size_t)
- overload for more info about the parameters of this function.
+ Decode a Base64-encoded wxString.
+
+ See the wxBase64Decode(void*,size_t,const char*,size_t,wxBase64DecodeMode,size_t*)
+ overload for more information about the parameters of this function, the
+ only difference between it and this one is that a wxString is used instead
+ of a @c char* pointer and its length.
+
+ @since 2.9.1
+
+ @header{wx/base64.h}
+ */
+size_t wxBase64Decode(void* dst, size_t dstLen,
+ const wxString& str,
+ wxBase64DecodeMode mode = wxBase64DecodeMode_Strict,
+ size_t *posErr = NULL);
- This overload allocates memory internally and returns it as wxMemoryBuffer
- and is recommended for normal use.
+/**
+ Decode a Base64-encoded string and return decoded contents in a buffer.
- This overload returns a buffer with the base64 decoded binary equivalent
- of the input string. In neither case is the buffer @NULL-terminated.
+ See the wxBase64Decode(void*,size_t,const char*,size_t,wxBase64DecodeMode,size_t*)
+ overload for more information about the parameters of this function. The
+ difference of this overload is that it allocates a buffer of necessary size
+ on its own and returns it, freeing you from the need to do it manually.
+ Because of this, it is simpler to use and is recommended for normal use.
@header{wx/base64.h}
*/
wxMemoryBuffer wxBase64Decode(const char* src,
size_t srcLen = wxNO_LEN,
wxBase64DecodeMode mode = wxBase64DecodeMode_Strict,
- size_t posErr = NULL);
+ size_t *posErr = NULL);
/**
- See the wxBase64Decode(void*,size_t,const char*,size_t,wxBase64DecodeMode,size_t)
- overload for more info about the parameters of this function.
+ Decode a Base64-encoded wxString and return decoded contents in a buffer.
+
+ See the wxBase64Decode(void*,size_t,const char*,size_t,wxBase64DecodeMode,size_t*)
+ overload for more information about the parameters of this function.
This overload takes as input a wxString and returns the internally-allocated
- memory as a wxMemoryBuffer, containing the base64 decoded data.
+ memory as a wxMemoryBuffer, containing the Base64-decoded data.
@header{wx/base64.h}
*/
wxMemoryBuffer wxBase64Decode(const wxString& src,
wxBase64DecodeMode mode = wxBase64DecodeMode_Strict,
- size_t posErr = NULL);
+ size_t *posErr = NULL);
//@}