/usr/share/doc/libghc-memory-doc/html/src/Data-ByteArray-Encoding.html is in libghc-memory-doc 0.10-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 | <?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<!-- Generated by HsColour, http://code.haskell.org/~malcolm/hscolour/ -->
<title>Data/ByteArray/Encoding.hs</title>
<link type='text/css' rel='stylesheet' href='hscolour.css' />
</head>
<body>
<pre><a name="line-1"></a><span class='hs-comment'>-- |</span>
<a name="line-2"></a><span class='hs-comment'>-- Module : Data.ByteArray.Encoding</span>
<a name="line-3"></a><span class='hs-comment'>-- License : BSD-style</span>
<a name="line-4"></a><span class='hs-comment'>-- Maintainer : Vincent Hanquez <vincent@snarc.org></span>
<a name="line-5"></a><span class='hs-comment'>-- Stability : experimental</span>
<a name="line-6"></a><span class='hs-comment'>-- Portability : unknown</span>
<a name="line-7"></a><span class='hs-comment'>--</span>
<a name="line-8"></a><span class='hs-comment'>-- ByteArray base converting</span>
<a name="line-9"></a><span class='hs-comment'>--</span>
<a name="line-10"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteArray</span><span class='hs-varop'>.</span><span class='hs-conid'>Encoding</span>
<a name="line-11"></a> <span class='hs-layout'>(</span> <span class='hs-varid'>convertToBase</span>
<a name="line-12"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>convertFromBase</span>
<a name="line-13"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Base</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-14"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-15"></a>
<a name="line-16"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteArray</span><span class='hs-varop'>.</span><span class='hs-conid'>Types</span>
<a name="line-17"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteArray</span><span class='hs-varop'>.</span><span class='hs-conid'>Types</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>B</span>
<a name="line-18"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteArray</span><span class='hs-varop'>.</span><span class='hs-conid'>Methods</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>B</span>
<a name="line-19"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Memory</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span><span class='hs-varop'>.</span><span class='hs-conid'>Compat</span>
<a name="line-20"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Memory</span><span class='hs-varop'>.</span><span class='hs-conid'>Encoding</span><span class='hs-varop'>.</span><span class='hs-conid'>Base16</span>
<a name="line-21"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Memory</span><span class='hs-varop'>.</span><span class='hs-conid'>Encoding</span><span class='hs-varop'>.</span><span class='hs-conid'>Base32</span>
<a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Memory</span><span class='hs-varop'>.</span><span class='hs-conid'>Encoding</span><span class='hs-varop'>.</span><span class='hs-conid'>Base64</span>
<a name="line-23"></a>
<a name="line-24"></a><a name="Base"></a><span class='hs-comment'>-- | Different bases that can be used</span>
<a name="line-25"></a><a name="Base"></a><span class='hs-comment'>--</span>
<a name="line-26"></a><a name="Base"></a><span class='hs-comment'>-- See <<a href="http://tools.ietf.org/html/rfc4648">http://tools.ietf.org/html/rfc4648</a> RFC4648> for details.</span>
<a name="line-27"></a><a name="Base"></a><span class='hs-comment'>-- In particular, Base64 can be standard or</span>
<a name="line-28"></a><a name="Base"></a><span class='hs-comment'>-- <<a href="http://tools.ietf.org/html/rfc4648#section-5">http://tools.ietf.org/html/rfc4648#section-5</a> URL-safe>. URL-safe</span>
<a name="line-29"></a><a name="Base"></a><span class='hs-comment'>-- encoding is often used in other specifications without</span>
<a name="line-30"></a><a name="Base"></a><span class='hs-comment'>-- <<a href="http://tools.ietf.org/html/rfc4648#section-3.2">http://tools.ietf.org/html/rfc4648#section-3.2</a> padding> characters.</span>
<a name="line-31"></a><a name="Base"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Base</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Base16</span> <span class='hs-comment'>-- ^ similar to hexadecimal</span>
<a name="line-32"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Base32</span>
<a name="line-33"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Base64</span> <span class='hs-comment'>-- ^ standard Base64</span>
<a name="line-34"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Base64URLUnpadded</span> <span class='hs-comment'>-- ^ unpadded URL-safe Base64</span>
<a name="line-35"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Base64OpenBSD</span> <span class='hs-comment'>-- ^ Base64 as used in OpenBSD password encoding (such as bcrypt)</span>
<a name="line-36"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span><span class='hs-layout'>,</span><span class='hs-conid'>Eq</span><span class='hs-layout'>)</span>
<a name="line-37"></a>
<a name="line-38"></a><a name="convertToBase"></a><span class='hs-comment'>-- | Convert a bytearray to the equivalent representation in a specific Base</span>
<a name="line-39"></a><span class='hs-definition'>convertToBase</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>ByteArrayAccess</span> <span class='hs-varid'>bin</span><span class='hs-layout'>,</span> <span class='hs-conid'>ByteArray</span> <span class='hs-varid'>bout</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Base</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>bin</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>bout</span>
<a name="line-40"></a><span class='hs-definition'>convertToBase</span> <span class='hs-varid'>base</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>base</span> <span class='hs-keyword'>of</span>
<a name="line-41"></a> <span class='hs-conid'>Base16</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>doConvert</span> <span class='hs-layout'>(</span><span class='hs-varid'>binLength</span> <span class='hs-varop'>*</span> <span class='hs-num'>2</span><span class='hs-layout'>)</span> <span class='hs-varid'>toHexadecimal</span>
<a name="line-42"></a> <span class='hs-conid'>Base32</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>q</span><span class='hs-layout'>,</span><span class='hs-varid'>r</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>binLength</span> <span class='hs-varop'>`divMod`</span> <span class='hs-num'>5</span>
<a name="line-43"></a> <span class='hs-varid'>outLen</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>8</span> <span class='hs-varop'>*</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>r</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>q</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>q</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-44"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>doConvert</span> <span class='hs-varid'>outLen</span> <span class='hs-varid'>toBase32</span>
<a name="line-45"></a> <span class='hs-conid'>Base64</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>doConvert</span> <span class='hs-varid'>base64Length</span> <span class='hs-varid'>toBase64</span>
<a name="line-46"></a> <span class='hs-comment'>-- Base64URL -> doConvert base64Length (toBase64URL True)</span>
<a name="line-47"></a> <span class='hs-conid'>Base64URLUnpadded</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>doConvert</span> <span class='hs-varid'>base64UnpaddedLength</span> <span class='hs-layout'>(</span><span class='hs-varid'>toBase64URL</span> <span class='hs-conid'>False</span><span class='hs-layout'>)</span>
<a name="line-48"></a> <span class='hs-conid'>Base64OpenBSD</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>doConvert</span> <span class='hs-varid'>base64UnpaddedLength</span> <span class='hs-varid'>toBase64OpenBSD</span>
<a name="line-49"></a> <span class='hs-keyword'>where</span>
<a name="line-50"></a> <span class='hs-varid'>binLength</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>b</span>
<a name="line-51"></a>
<a name="line-52"></a> <span class='hs-varid'>base64Length</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>q</span><span class='hs-layout'>,</span><span class='hs-varid'>r</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>binLength</span> <span class='hs-varop'>`divMod`</span> <span class='hs-num'>3</span>
<a name="line-53"></a> <span class='hs-keyword'>in</span> <span class='hs-num'>4</span> <span class='hs-varop'>*</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>r</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>q</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>q</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-54"></a>
<a name="line-55"></a> <span class='hs-varid'>base64UnpaddedLength</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>q</span><span class='hs-layout'>,</span><span class='hs-varid'>r</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>binLength</span> <span class='hs-varop'>`divMod`</span> <span class='hs-num'>3</span>
<a name="line-56"></a> <span class='hs-keyword'>in</span> <span class='hs-num'>4</span> <span class='hs-varop'>*</span> <span class='hs-varid'>q</span> <span class='hs-varop'>+</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>r</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-keyword'>then</span> <span class='hs-num'>0</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>r</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-57"></a> <span class='hs-varid'>doConvert</span> <span class='hs-varid'>l</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span>
<a name="line-58"></a> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeCreate</span> <span class='hs-varid'>l</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>bout</span> <span class='hs-keyglyph'>-></span>
<a name="line-59"></a> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>withByteArray</span> <span class='hs-varid'>b</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>bin</span> <span class='hs-keyglyph'>-></span>
<a name="line-60"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>bout</span> <span class='hs-varid'>bin</span> <span class='hs-varid'>binLength</span>
<a name="line-61"></a>
<a name="line-62"></a><a name="convertFromBase"></a><span class='hs-comment'>-- | Try to Convert a bytearray from the equivalent representation in a specific Base</span>
<a name="line-63"></a><span class='hs-definition'>convertFromBase</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>ByteArrayAccess</span> <span class='hs-varid'>bin</span><span class='hs-layout'>,</span> <span class='hs-conid'>ByteArray</span> <span class='hs-varid'>bout</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Base</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>bin</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-varid'>bout</span>
<a name="line-64"></a><span class='hs-definition'>convertFromBase</span> <span class='hs-conid'>Base16</span> <span class='hs-varid'>b</span>
<a name="line-65"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>odd</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Left</span> <span class='hs-str'>"base16: input: invalid length"</span>
<a name="line-66"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeDoIO</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-67"></a> <span class='hs-layout'>(</span><span class='hs-varid'>ret</span><span class='hs-layout'>,</span> <span class='hs-varid'>out</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span>
<a name="line-68"></a> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>allocRet</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>b</span> <span class='hs-varop'>`div`</span> <span class='hs-num'>2</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>bout</span> <span class='hs-keyglyph'>-></span>
<a name="line-69"></a> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>withByteArray</span> <span class='hs-varid'>b</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>bin</span> <span class='hs-keyglyph'>-></span>
<a name="line-70"></a> <span class='hs-varid'>fromHexadecimal</span> <span class='hs-varid'>bout</span> <span class='hs-varid'>bin</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-71"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>ret</span> <span class='hs-keyword'>of</span>
<a name="line-72"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Right</span> <span class='hs-varid'>out</span>
<a name="line-73"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>ofs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Left</span> <span class='hs-layout'>(</span><span class='hs-str'>"base16: input: invalid encoding at offset: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>ofs</span><span class='hs-layout'>)</span>
<a name="line-74"></a><span class='hs-definition'>convertFromBase</span> <span class='hs-conid'>Base32</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeDoIO</span> <span class='hs-varop'>$</span>
<a name="line-75"></a> <span class='hs-varid'>withByteArray</span> <span class='hs-varid'>b</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>bin</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-76"></a> <span class='hs-varid'>mDstLen</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>unBase32Length</span> <span class='hs-varid'>bin</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-77"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mDstLen</span> <span class='hs-keyword'>of</span>
<a name="line-78"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Left</span> <span class='hs-str'>"base32: input: invalid length"</span>
<a name="line-79"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>dstLen</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-80"></a> <span class='hs-layout'>(</span><span class='hs-varid'>ret</span><span class='hs-layout'>,</span> <span class='hs-varid'>out</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>allocRet</span> <span class='hs-varid'>dstLen</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>bout</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fromBase32</span> <span class='hs-varid'>bout</span> <span class='hs-varid'>bin</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-81"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>ret</span> <span class='hs-keyword'>of</span>
<a name="line-82"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Right</span> <span class='hs-varid'>out</span>
<a name="line-83"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>ofs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Left</span> <span class='hs-layout'>(</span><span class='hs-str'>"base32: input: invalid encoding at offset: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>ofs</span><span class='hs-layout'>)</span>
<a name="line-84"></a><span class='hs-definition'>convertFromBase</span> <span class='hs-conid'>Base64</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeDoIO</span> <span class='hs-varop'>$</span>
<a name="line-85"></a> <span class='hs-varid'>withByteArray</span> <span class='hs-varid'>b</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>bin</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-86"></a> <span class='hs-varid'>mDstLen</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>unBase64Length</span> <span class='hs-varid'>bin</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-87"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mDstLen</span> <span class='hs-keyword'>of</span>
<a name="line-88"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Left</span> <span class='hs-str'>"base64: input: invalid length"</span>
<a name="line-89"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>dstLen</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-90"></a> <span class='hs-layout'>(</span><span class='hs-varid'>ret</span><span class='hs-layout'>,</span> <span class='hs-varid'>out</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>allocRet</span> <span class='hs-varid'>dstLen</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>bout</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fromBase64</span> <span class='hs-varid'>bout</span> <span class='hs-varid'>bin</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-91"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>ret</span> <span class='hs-keyword'>of</span>
<a name="line-92"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Right</span> <span class='hs-varid'>out</span>
<a name="line-93"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>ofs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Left</span> <span class='hs-layout'>(</span><span class='hs-str'>"base64: input: invalid encoding at offset: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>ofs</span><span class='hs-layout'>)</span>
<a name="line-94"></a><span class='hs-definition'>convertFromBase</span> <span class='hs-conid'>Base64URLUnpadded</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeDoIO</span> <span class='hs-varop'>$</span>
<a name="line-95"></a> <span class='hs-varid'>withByteArray</span> <span class='hs-varid'>b</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>bin</span> <span class='hs-keyglyph'>-></span>
<a name="line-96"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>unBase64LengthUnpadded</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-97"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Left</span> <span class='hs-str'>"base64URL unpadded: input: invalid length"</span>
<a name="line-98"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>dstLen</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-99"></a> <span class='hs-layout'>(</span><span class='hs-varid'>ret</span><span class='hs-layout'>,</span> <span class='hs-varid'>out</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>allocRet</span> <span class='hs-varid'>dstLen</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>bout</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fromBase64URLUnpadded</span> <span class='hs-varid'>bout</span> <span class='hs-varid'>bin</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-100"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>ret</span> <span class='hs-keyword'>of</span>
<a name="line-101"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Right</span> <span class='hs-varid'>out</span>
<a name="line-102"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>ofs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Left</span> <span class='hs-layout'>(</span><span class='hs-str'>"base64URL unpadded: input: invalid encoding at offset: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>ofs</span><span class='hs-layout'>)</span>
<a name="line-103"></a><span class='hs-definition'>convertFromBase</span> <span class='hs-conid'>Base64OpenBSD</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeDoIO</span> <span class='hs-varop'>$</span>
<a name="line-104"></a> <span class='hs-varid'>withByteArray</span> <span class='hs-varid'>b</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>bin</span> <span class='hs-keyglyph'>-></span>
<a name="line-105"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>unBase64LengthUnpadded</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-106"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Left</span> <span class='hs-str'>"base64 unpadded: input: invalid length"</span>
<a name="line-107"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>dstLen</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-108"></a> <span class='hs-layout'>(</span><span class='hs-varid'>ret</span><span class='hs-layout'>,</span> <span class='hs-varid'>out</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>allocRet</span> <span class='hs-varid'>dstLen</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>bout</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fromBase64OpenBSD</span> <span class='hs-varid'>bout</span> <span class='hs-varid'>bin</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-109"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>ret</span> <span class='hs-keyword'>of</span>
<a name="line-110"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Right</span> <span class='hs-varid'>out</span>
<a name="line-111"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>ofs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Left</span> <span class='hs-layout'>(</span><span class='hs-str'>"base64 unpadded: input: invalid encoding at offset: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>ofs</span><span class='hs-layout'>)</span>
<a name="line-112"></a>
</pre></body>
</html>
|