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Modified cipher.d to be more tidied up.

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This commit is contained in:
Johannes Loher 2016-02-28 14:45:47 +01:00
parent 8c203bd412
commit 4452bd6b0a
1 changed files with 10 additions and 8 deletions
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18
source/cipher.d
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@ -14,11 +14,8 @@ enum Cipher
chacha20 chacha20
} }
mixin(cipherFunctionString.format(q{InputRange}, mixin(cipherFunctionString!(InputRange, isOnlyInputRange));
q{isInputRange!R && !(isForwardRange!R)})); mixin(cipherFunctionString!(ForwardRange, isForwardRange));
mixin(cipherFunctionString.format(q{ForwardRange},
q{isForwardRange!R}));
unittest unittest
{ {
@ -37,9 +34,14 @@ unittest
private: private:
enum cipherFunctionString = q{ template isOnlyInputRange(R)
{
enum isOnlyInputRange = isInputRange!R && !(isForwardRange!R);
}
enum cipherFunctionString(alias ReturnType, alias Constraint) = q{
%s!(ElementType!R) cipherFunction(R)(R range, ubyte[32] key, ubyte[8] nonce, Cipher cipher) %s!(ElementType!R) cipherFunction(R)(R range, ubyte[32] key, ubyte[8] nonce, Cipher cipher)
if (is(ElementType!R : ubyte) && %s) if (is(ElementType!R : ubyte) && %s!R)
{ {
final switch (cipher) final switch (cipher)
{ {
@ -49,4 +51,4 @@ enum cipherFunctionString = q{
return range.chacha20Cipher(key, nonce).inputRangeObject; return range.chacha20Cipher(key, nonce).inputRangeObject;
} }
} }
}; }.format(__traits(identifier, ReturnType), __traits(identifier, Constraint));