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Move B64{Decode,Encode} to textproc and redesign their interface.

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This commit is contained in:
Sadie Powell
2025-08-08 12:27:28 +01:00
parent e5c5689985
commit 70de2b7de2
9 changed files with 29 additions and 39 deletions
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src/base64.cpp
+8 -5
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@@ -11,6 +11,7 @@
#include "services.h"
#include "anope.h"
#include "textproc.h"
static const Anope::string Base64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
static const char Pad64 = '=';
@@ -78,12 +79,12 @@ static const char Pad64 = '=';
characters followed by one "=" padding character.
*/
void Anope::B64Encode(const Anope::string &src, Anope::string &target)
Anope::string Anope::B64Encode(const Anope::string &src)
{
size_t src_pos = 0, src_len = src.length();
unsigned char input[3] = { '\0', '\0', '\0' };
target.clear();
Anope::string target;
while (src_len - src_pos > 2)
{
@@ -112,6 +113,7 @@ void Anope::B64Encode(const Anope::string &src, Anope::string &target)
target += Base64[((input[1] & 0x0f) << 2) + (input[2] >> 6)];
target += Pad64;
}
return target;
}
/* skips all whitespace anywhere.
@@ -119,9 +121,9 @@ void Anope::B64Encode(const Anope::string &src, Anope::string &target)
src from base - 64 numbers into three 8 bit bytes in the target area.
*/
void Anope::B64Decode(const Anope::string &src, Anope::string &target)
Anope::string Anope::B64Decode(const Anope::string &src)
{
target.clear();
Anope::string target;
unsigned state = 0;
Anope::string::const_iterator ch = src.begin(), end = src.end();
@@ -135,7 +137,7 @@ void Anope::B64Decode(const Anope::string &src, Anope::string &target)
size_t pos = Base64.find(*ch);
if (pos == Anope::string::npos) /* A non-base64 character */
return;
return {};
switch (state)
{
@@ -160,4 +162,5 @@ void Anope::B64Decode(const Anope::string &src, Anope::string &target)
}
if (!target.empty() && !target[target.length() - 1])
target.erase(target.length() - 1);
return target;
}