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
|
const std = @import("std");
const log = std.log.scoped(.exe);
const Context = @import("main.zig").Context;
const fs = @import("fs.zig");
pub fn run_pandoc(ctx: *Context) !void {
ctx.progress_start("Processing markdown files");
defer ctx.progress_end();
var pool: std.Thread.Pool = undefined;
try pool.init(.{
.n_jobs = (try std.Thread.getCpuCount()) - 1,
.allocator = ctx.allocator(),
});
defer pool.deinit();
for (ctx.markdown.items) |*page| {
// the inline struct trick is a workardoun for Thread.Pool::spawn not
// accepting functions that can error:
// https://github.com/ziglang/zig/issues/18810
try pool.spawn(struct {
fn worker(worker_ctx: *Context, worker_page: *const []const u8) void {
pandoc_worker(worker_ctx, worker_page.*) catch |err| std.log.err("pandoc worker failed with: {}", .{err});
}
}.worker, .{ ctx, page });
}
log.info("Processed {d} markdown files.", .{ctx.markdown.items.len});
}
fn pandoc_worker(ctx: *Context, page: []const u8) !void {
const source_path = try std.fs.path.join(ctx.allocator(), &.{ Context.params.PAGE_PATH, page });
defer ctx.allocator().free(source_path);
const target_path = try fs.replace_extension(ctx.allocator(), source_path, "htm");
defer ctx.allocator().free(target_path);
const f = try fs.FileSwapper.createAt(ctx.allocator(), target_path);
defer f.close();
try f.writer().print(
\\<!-- Generated file, you may edit and discard {s} :) -->
\\
,
.{page},
);
// get mtime of the source document
const mtime = try fs.get_mtime(ctx.allocator(), source_path);
const mtime_str = try fs.format_mtime(ctx.allocator(), mtime, "%s");
defer ctx.allocator().free(mtime_str);
// make pandoc runs reproducable
var env_map = std.process.EnvMap.init(ctx.allocator());
defer env_map.deinit();
try env_map.put("SOURCE_DATE_EPOCH", mtime_str);
try capture_stdout(ctx, &.{
Context.params.PANDOC,
"--from",
"markdown+wikilinks_title_after_pipe+autolink_bare_uris",
"--to",
"html5",
"--lua-filter",
// TODO: embed the preproc filter
Context.params.PANDOC_PREPROC,
"--strip-comments",
"--output=-",
source_path,
}, &env_map, f.writer().any());
}
pub fn capture_stdout(ctx: *Context, argv: []const []const u8, env_map: ?*std.process.EnvMap, buf: std.io.AnyWriter) !void {
const command = try std.mem.join(ctx.allocator(), " ", argv);
defer ctx.allocator().free(command);
const label = try std.fmt.allocPrint(ctx.allocator(), "running {s}", .{command});
defer ctx.allocator().free(label);
ctx.progress_start(label);
defer ctx.progress_end();
var p = std.process.Child.init(argv, std.heap.page_allocator);
p.stdout_behavior = .Pipe;
p.progress_node = ctx.progress_nodes.getLast();
p.env_map = env_map;
try p.spawn();
try buf.writeFile(p.stdout.?);
const result = try p.wait();
_ = result;
}
|
