文件列表:

bencode_to_yaml.zig (756, 2023-03-20)
build.zig (427, 2023-03-20)
example_decode.zig (583, 2023-03-20)
example_encode.zig (395, 2023-03-20)
input/ (0, 2023-03-20)
input/CentOS-8.1.1911-x86_64-dvd1.torrent (288878, 2023-03-20)
input/OpenBSD_6.6_alpha_install66.iso-2019-10-16-1254.torrent (21277, 2023-03-20)
input/archlinux-2020.07.01-x86_64.iso.torrent (43255, 2023-03-20)
input/debian-10.4.0-amd64-netinst.iso.torrent (27426, 2023-03-20)
input/ubuntu-20.04-desktop-amd64.iso.torrent (52127, 2023-03-20)
input/wizard_oz.torrent (12689, 2023-03-20)
src/ (0, 2023-03-20)
src/main.zig (26817, 2023-03-20)

# Bencode encoder/decoder

---

**NOTE: this project is not maintained, due to not having time to support pull requests and contributions, here is an active fork: https://github.com/anacrolix/zig-bencode.**

---

[Bencode](https://en.wikipedia.org/wiki/Bencode) is an text encoding format, not too dissimilar from JSON. This library can encode and decode it, with an API and code close the `std.json` in the Zig standard library. No other dependencies than the Zig standard library. ## Decode (parse) `example_decode.zig`: ```zig const std = @import("std"); const bencode = @import("src/main.zig"); pub fn main() anyerror!void { var gpa = std.heap.GeneralPurposeAllocator(.{}){}; const allocator = &gpa.allocator; var v = try bencode.ValueTree.parse("d3:agei18e4:name3:joee", allocator); defer v.deinit(); if (bencode.mapLookup(v.root.Map, "age")) |age| { if (bencode.isInteger(age.*)) std.debug.warn("age={} ", .{age.Integer}); } if (bencode.mapLookup(v.root.Map, "name")) |name| { if (bencode.isString(name.*)) std.debug.warn("name={}\n", .{name.String}); } } // Output: age=18 name=joe ``` See also the CLI utility `bencode_to_yaml.zig` and the tests for more details, e.g about errors: `zig test src/main.zig`. ### Try it out ```sh $ zig run bencode_to_yaml.zig -- <(echo "d3:abci-99e11:hello,world3:foo8:integersli0ei5000ei-1eee") "abc": -99 "hello,world": "foo" "integers": - 0 - 5000 - -1 $ zig run bencode_to_yaml.zig -- ~/Downloads/debian-10.4.0-amd64-netinst.iso.torrent | head "announce": "http://bttracker.debian.org:6969/announce" "comment": "\"Debian CD from cdimage.debian.org\"" "creation date": 1589025369 "httpseeds": - "https://cdimage.debian.org/cdimage/release/10.4.0//srv/cdbuilder.debian.org/dst/deb-cd/weekly-builds/amd64/iso-cd/debian-10.4.0-amd64-netinst.iso" - "https://cdimage.debian.org/cdimage/archive/10.4.0//srv/cdbuilder.debian.org/dst/deb-cd/weekly-builds/amd64/iso-cd/debian-10.4.0-amd64-netinst.iso" "info": "length": 352321536 "name": "debian-10.4.0-amd64-netinst.iso" ``` ## Encode (stringify) `example_encode.zig`: ```zig const Person = struct { age: usize, name: []const u8, }; const person = Person{ .age = 18, .name = "joe" }; try bencode.stringify(person, std.io.getStdOut().writer()); // Output: d3:agei18e4:name3:joee ``` ## License BSD-3

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