authorgravatar for hello@nektro.netMeghan Denny <hello@nektro.net> 2021-07-27 23:58:06 -07:00
committergravatar for hello@nektro.netMeghan Denny <hello@nektro.net> 2021-07-27 23:58:06 -07:00
log6931e3e3e4ade3a526c662dffc1710fe1863174a
treee5c489e93622e9d19862912ecac49905caab6414
parent52396d84739259235cde5e2c35780a07cfac960c

intial code commit

7 files changed, 98 insertions(+), 0 deletions(-)

.gitignore created+3
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1/zig-*
2/.zigmod
3/deps.zig
build.zig created+23
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1const std = @import("std");
2const deps = @import("./deps.zig");
3
4pub fn build(b: *std.build.Builder) void {
5 const target = b.standardTargetOptions(.{});
6
7 const mode = b.standardReleaseOptions();
8
9 const exe = b.addExecutable("zig-license-detect", "src/main.zig");
10 exe.setTarget(target);
11 exe.setBuildMode(mode);
12 deps.addAllTo(exe);
13 exe.install();
14
15 const run_cmd = exe.run();
16 run_cmd.step.dependOn(b.getInstallStep());
17 if (b.args) |args| {
18 run_cmd.addArgs(args);
19 }
20
21 const run_step = b.step("run", "Run the app");
22 run_step.dependOn(&run_cmd.step);
23}
src/lib.zig created+40
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1const std = @import("std");
2const licenses = @import("licenses-text");
3const leven = @import("leven");
4const fscheck = @import("fs-check");
5
6pub fn detect(alloc: *std.mem.Allocator, license_src: []const u8) ![]const u8 {
7 var min: ?usize = null;
8 var ind: ?usize = null;
9
10 for (licenses.spdx) |item, i| {
11 const distance = try leven.leven(u8, alloc, license_src, item[1], min);
12
13 if (min == null or distance < min.?) {
14 min = distance;
15 ind = i;
16 }
17 }
18
19 return licenses.spdx[ind.?][0];
20}
21
22pub fn detectInDir(alloc: *std.mem.Allocator, dir: std.fs.Dir) !?[]const u8 {
23 const lic_filename = (try testLicenseFile(dir, "LICENSE")) orelse
24 (try testLicenseFile(dir, "LICENSE.md")) orelse
25 null;
26
27 if (lic_filename == null) return null;
28 const f = try dir.openFile(lic_filename.?, .{});
29 defer f.close();
30 const b = try f.reader().readAllAlloc(alloc, 1024 * 1024);
31 defer alloc.free(b);
32 return try detect(alloc, b);
33}
34
35//
36//
37
38pub fn testLicenseFile(dir: std.fs.Dir, name: []const u8) !?[]const u8 {
39 return if (try fscheck.doesFileExist(dir, name)) name else null;
40}
src/main.zig created+14
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1const std = @import("std");
2
3const detectlicense = @import("detect-license");
4
5pub fn main() !void {
6 std.log.info("All your codebase are belong to us.", .{});
7
8 var gpa = std.heap.GeneralPurposeAllocator(.{}){};
9 const alloc = &gpa.allocator;
10
11 const license = try detectlicense.detectInDir(alloc, std.fs.cwd());
12 std.debug.assert(std.mem.eql(u8, license.?, "MIT"));
13 std.log.info("OK", .{});
14}
zig.mod created+9
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1id: 2ovav391ivakpt5uh706c38jy7wddi6tqo5rmbdwig9ngkh7
2name: detect-license
3main: src/lib.zig
4license: MIT
5description: Given an input text guess which SPDX license it most likely is an instance of
6dependencies:
7 - src: git https://github.com/nektro/zig-licenses-text
8 - src: git https://github.com/nektro/zig-leven
9 - src: git https://github.com/nektro/zig-fs-check
zigmod.lock created+5
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12
2git https://github.com/nektro/zig-licenses-text commit-3c07c6e4eb0965dafd0b029c632f823631b3169c
3git https://github.com/nektro/zig-leven commit-8e9f827117ab1418578b692a2325754cc3ee692d
4git https://github.com/nektro/zig-range commit-890ca308fe09b3d5c866d5cfb3b3d7a95dbf939f
5git https://github.com/nektro/zig-fs-check commit-dcd8da90fcb8bf3c9887e713bf0ec072bc897dd5
zigmod.sum created+4
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1blake3-20ceb9e27bdb93540e93006628fb94e0540f3f69a2304a8f73ad2989b8e27226 git/github.com/nektro/zig-licenses-text
2blake3-cf68eaad66254b89c8bc18578f58607aa2e87ae59dd5696c2394eb5a0a31c455 git/github.com/nektro/zig-leven
3blake3-09698753782139ab4877d08f33235170836f68b73e482b65cdee5637a6addf86 git/github.com/nektro/zig-range
4blake3-10460da714f5c8436d09c268795597b0b2686ffc1e789c9f50366c2cbb0e1ff3 git/github.com/nektro/zig-fs-check