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fix bug in assumption that all include files are json files

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Jonathan Marler 2025-01-08 15:47:43 -07:00 • committed by CJ van den Berg
parent 4cc7eeed59
commit 59bb2c0b45
1 changed files with 19 additions and 10 deletions
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29
src/main.zig
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@ -399,21 +399,28 @@ pub fn read_config(T: type, allocator: std.mem.Allocator) struct { T, [][]const
config_mutex.lock();
defer config_mutex.unlock();
var bufs: [][]const u8 = &[_][]const u8{};
const file_name = get_app_config_file_name(application_name, @typeName(T)) catch return .{ .{}, bufs };
const json_file_name = get_app_config_file_name(application_name, @typeName(T)) catch return .{ .{}, bufs };
const text_file_name = json_file_name[0 .. json_file_name.len - ".json".len];
var conf: T = .{};
read_config_file(T, allocator, &conf, &bufs, file_name);
if (!read_config_file(T, allocator, &conf, &bufs, text_file_name)) {
_ = read_config_file(T, allocator, &conf, &bufs, json_file_name);
}
read_nested_include_files(T, allocator, &conf, &bufs);
return .{ conf, bufs };
}
fn read_config_file(T: type, allocator: std.mem.Allocator, conf: *T, bufs: *[][]const u8, file_name: []const u8) void {
read_text_config_file(T, allocator, conf, bufs, file_name[0 .. file_name.len - 5]) catch |e| switch (e) {
error.FileNotFound => read_json_config_file(T, allocator, conf, bufs, file_name) catch |e_| switch (e_) {
error.FileNotFound => return,
else => std.log.err("error reading config file '{s}': {s}", .{ file_name, @errorName(e_) }),
},
else => std.log.err("error reading config file '{s}': {s}", .{ file_name[0 .. file_name.len - 5], @errorName(e) }),
// returns true if the file was found
fn read_config_file(T: type, allocator: std.mem.Allocator, conf: *T, bufs: *[][]const u8, file_name: []const u8) bool {
std.log.info("loading {s}", .{file_name});
const err: anyerror = blk: {
if (std.mem.endsWith(u8, file_name, ".json")) if (read_json_config_file(T, allocator, conf, bufs, file_name)) return true else |e| break :blk e;
if (read_text_config_file(T, allocator, conf, bufs, file_name)) return true else |e| break :blk e;
};
switch (err) {
error.FileNotFound => return false,
else => |e| std.log.err("error reading config file '{s}': {s}", .{ file_name, @errorName(e) }),
}
return true;
}
fn read_text_config_file(T: type, allocator: std.mem.Allocator, conf: *T, bufs_: *[][]const u8, file_name: []const u8) !void {
@ -518,7 +525,9 @@ fn read_cbor_config(
fn read_nested_include_files(T: type, allocator: std.mem.Allocator, conf: *T, bufs: *[][]const u8) void {
if (conf.include_files.len == 0) return;
var it = std.mem.splitScalar(u8, conf.include_files, std.fs.path.delimiter);
while (it.next()) |path| read_config_file(T, allocator, conf, bufs, path);
while (it.next()) |path| if (!read_config_file(T, allocator, conf, bufs, path)) {
std.log.err("config include file '{s}' is not found", .{path});
};
}
pub fn write_config(conf: anytype, allocator: std.mem.Allocator) !void {