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Updated base64 encoding api.

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This commit is contained in:
Christoffer Lerno
2024-11-24 00:14:31 +01:00
parent a58d782704
commit 60101830cc
2 changed files with 91 additions and 7 deletions
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82
lib/std/encoding/base64.c3
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@@ -8,6 +8,73 @@ import std::core::bitorder;
const STD_ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
const URL_ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
fn String! encode_buffer(char[] code, char[] buffer)
{
@check_coder(std_encoder);
return (String)buffer[:std_encoder.encode(code, buffer)!];
}
fn char[]! decode_buffer(char[] code, char[] buffer)
{
@check_coder(std_decoder);
return buffer[:std_decoder.decode(code, buffer)!];
}
fn String encode(char[] code, Allocator allocator)
{
@check_coder(std_encoder);
char[] data = allocator::alloc_array(allocator, char, std_encoder.encode_len(code.len));
std_encoder.encode(code, data)!!;
return (String)data;
}
fn char[]! decode(char[] code, Allocator allocator)
{
@check_coder(std_decoder);
char[] data = allocator::alloc_array(allocator, char, std_decoder.decode_len(code.len))!;
std_decoder.decode(code, data)!;
return data;
}
fn String encode_new(char[] code) @inline => encode(code, allocator::heap());
fn String encode_temp(char[] code) @inline => encode(code, allocator::temp());
fn char[]! decode_new(char[] code) @inline => decode(code, allocator::heap());
fn char[]! decode_temp(char[] code) @inline => decode(code, allocator::temp());
fn String urlencode(char[] code, Allocator allocator)
{
@check_coder(url_encoder);
char[] data = allocator::alloc_array(allocator, char, url_encoder.encode_len(code.len));
url_encoder.encode(code, data)!!;
return (String)data;
}
fn char[]! urldecode(char[] code, Allocator allocator)
{
@check_coder(url_decoder);
char[] data = allocator::alloc_array(allocator, char, url_decoder.decode_len(code.len))!;
url_decoder.decode(code, data)!;
return data;
}
fn String! urlencode_buffer(char[] code, char[] buffer)
{
@check_coder(url_encoder);
return (String)buffer[:std_encoder.encode(code, buffer)!];
}
fn char[]! urldecode_buffer(char[] code, char[] buffer)
{
@check_coder(url_decoder);
return buffer[:url_decoder.decode(code, buffer)!];
}
fn String! urlencode_new(char[] code) @inline => urlencode(code, allocator::heap());
fn String! urlencode_temp(char[] code) @inline => urlencode(code, allocator::temp());
fn char[]! urldecode_new(char[] code) @inline => decode(code, allocator::heap());
fn char[]! urldecode_temp(char[] code) @inline => decode(code, allocator::temp());
const MASK @private = 0b111111;
struct Base64Encoder
@@ -32,10 +99,11 @@ fault Base64Error
@require padding < 256
@return! Base64Error.DUPLICATE_IN_ALPHABET, Base64Error.PADDING_IN_ALPHABET
*>
fn void! Base64Encoder.init(&self, String alphabet, int padding = '=')
fn Base64Encoder*! Base64Encoder.init(&self, String alphabet, int padding = '=')
{
check_alphabet(alphabet, padding)!;
*self = { .padding = padding, .alphabet = alphabet };
return self;
}
<*
@@ -272,3 +340,15 @@ fn void! check_alphabet(String alphabet, int padding) @local
checked[c] = true;
}
}
tlocal Base64Encoder std_encoder @local;
tlocal Base64Encoder url_encoder @local;
tlocal Base64Decoder std_decoder @local;
tlocal Base64Decoder url_decoder @local;
macro @check_coder(#coder) @local
{
if (#coder.alphabet) return;
#coder.init(STD_ALPHABET, '=')!!;
}