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https://github.com/bsnes-emu/bsnes.git
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2f81b5a3e7
byuu says:
Changelog:
- Super Famicom: added support for loading manifests without embedded
mapping information¹
- genius: initial commit
- various Makefile cleanups
¹: so the idea here is to try and aim for a stable manifest format,
and to allow direct transposition of icarus/genius database entries into
manifest files. The exact mechanics of how this is going to work is
currently in flux, but we'll get there.
For right now, `Super Famicom.sys` gains `boards.bml`, which is the raw
database from my board-editor tool, and higan itself tries to load
`boards.bml`, match an entry to game/board from the game's `manifest.bml`
file, and then transform it into the format currently used by higan. It
does this only when the game's `manifest.bml` file lacks a board node.
When such a board node exists, it works as previous versions of higan
did.
The only incompatible change right now is information/title is now
located at game/label. I may transition window title display to just use
the filenames instead.
Longer term, some thought is going to need to go into the format of the
`boards.bml` database itself, and at which point in the process I should
be transforming things.
Give it time, we'll refine this into something nicer.
69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
#pragma once
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namespace nall { namespace Encode {
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inline auto Base64(const void* vdata, uint size, const string& format = "MIME") -> string {
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static bool initialized = false;
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static char lookup[65] = {0};
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if(!initialized) {
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initialized = true;
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for(uint n : range(26)) lookup[n + 0] = 'A' + n;
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for(uint n : range(26)) lookup[n + 26] = 'a' + n;
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for(uint n : range(10)) lookup[n + 52] = '0' + n;
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}
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if(format == "MIME") {
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lookup[62] = '+';
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lookup[63] = '/';
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lookup[64] = '=';
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} else if(format == "URI") {
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lookup[62] = '-';
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lookup[63] = '_';
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lookup[64] = 0;
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} else return "";
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auto data = (const uint8_t*)vdata;
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uint overflow = (3 - (size % 3)) % 3; //bytes to round to nearest multiple of 3
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string result;
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uint8_t buffer;
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for(uint n : range(size)) {
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switch(n % 3) {
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case 0:
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buffer = data[n] >> 2;
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result.append(lookup[buffer]);
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buffer = (data[n] & 3) << 4;
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break;
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case 1:
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buffer |= data[n] >> 4;
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result.append(lookup[buffer]);
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buffer = (data[n] & 15) << 2;
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break;
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case 2:
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buffer |= data[n] >> 6;
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result.append(lookup[buffer]);
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buffer = (data[n] & 63);
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result.append(lookup[buffer]);
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break;
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}
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}
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if(overflow) result.append(lookup[buffer]);
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if(lookup[64]) {
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while(result.size() % 4) result.append(lookup[64]);
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}
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return result;
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}
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inline auto Base64(const vector<uint8_t>& buffer, const string& format = "MIME") -> string {
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return Base64(buffer.data(), buffer.size(), format);
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}
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inline auto Base64(const string& text, const string& format = "MIME") -> string {
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return Base64(text.data(), text.size(), format);
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}
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}}
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