emule-REST-API/cryptopp/base64.cpp at dev · lightrabbit/emule-REST-API

42 lines (33 loc) · 1.18 KB

// base64.cpp - written and placed in the public domain by Wei Dai

#include "pch.h"

#include "base64.h"

NAMESPACE_BEGIN(CryptoPP)

static const byte s_vec[] =

"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

static const byte s_padding = '=';

void Base64Encoder::IsolatedInitialize(const NameValuePairs &parameters)

{

bool insertLineBreaks = parameters.GetValueWithDefault(Name::InsertLineBreaks(), true);

int maxLineLength = parameters.GetIntValueWithDefault(Name::MaxLineLength(), 72);

const char *lineBreak = insertLineBreaks ? "\n" : "";

m_filter->Initialize(CombinedNameValuePairs(

parameters,

MakeParameters(Name::EncodingLookupArray(), &s_vec[0], false)

(Name::PaddingByte(), s_padding)

(Name::GroupSize(), insertLineBreaks ? maxLineLength : 0)

(Name::Separator(), ConstByteArrayParameter(lineBreak))

(Name::Terminator(), ConstByteArrayParameter(lineBreak))

(Name::Log2Base(), 6, true)));

}

const int *Base64Decoder::GetDecodingLookupArray()

{

static bool s_initialized = false;

static int s_array[256];

if (!s_initialized)

{

InitializeDecodingLookupArray(s_array, s_vec, 64, false);

s_initialized = true;

}

return s_array;

}

NAMESPACE_END

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