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
|
const std = @import("std");
pub fn main() !void {
const a = std.heap.page_allocator;
const contentdir = try std.fs.cwd().openDir("../content", .{.iterate = true});
var walker = try contentdir.walk(a);
while (try walker.next()) |we| {
if (std.mem.endsWith(u8, we.basename, ".md")) {
std.log.info("converting file {s}", .{we.basename});
const file = try we.dir.readFileAlloc(a, we.basename, 1_000_000);
const start = (std.mem.indexOf(u8, file, "---\n") orelse return error.NoFrontmatter) + 4;
const end = (std.mem.lastIndexOf(u8, file, "---\n") orelse return error.NoFrontMatter);
var childproc = std.process.Child.init(&.{"yq", "-o", "json"}, a);
childproc.stdin_behavior = .Pipe;
childproc.stdout_behavior = .Pipe;
childproc.stderr_behavior = .Pipe;
std.log.info("spawn", .{});
try childproc.spawn();
std.log.info("writeAll", .{});
try childproc.stdin.?.writeAll(file[start..end]);
childproc.stdin.?.close();
childproc.stdin = null;
var stdout = std.ArrayList(u8).init(a);
var stderr = std.ArrayList(u8).init(a);
std.log.info("collectOutput", .{});
try childproc.collectOutput(&stdout, &stderr, 1_000_000);
std.log.info("got output {s}", .{stdout.items});
std.log.info("wait", .{});
const term = try childproc.wait();
if (term.Exited != 0) {
return error.ProcessError;
}
const fm_json = try stdout.toOwnedSlice();
const newfile = try std.mem.concat(a, u8, &.{"---\n", fm_json, file[end..]});
try we.dir.writeFile(we.basename, newfile);
}
}
std.log.info("done!", .{});
}
|
