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const std = @import("std");
const assert = std.debug.assert;
const fs = @import("fs.zig");
const Env = @import("env.zig");
pub const Tree = struct {
name: []const u8,
root: fs.Path,
pub fn port_path(self: Tree, port_name: []const u8) fs.Path {
return .join(.{ self.root.name(), port_name });
}
};
pub const Iterator = struct {
root: fs.Path,
iter: ?fs.Iterator = null,
pub fn deinit(self: *Iterator) void {
if (self.iter) |*it| it.deinit();
}
pub fn next(self: *Iterator) !?Tree {
if (self.iter) |*iter| {
while (try iter.next()) |entry| {
if (entry.type == .dir) {
return .{
.name = entry.name,
.root = .join(.{ self.root.name(), entry.name }),
};
}
}
}
return null;
}
};
pub inline fn iterate(env: *const Env) !Iterator {
const root = tree_root_dir(env);
const iter = fs.iterate(&root) catch |err| {
if (err == error.FileNotFound) return .{ .root = undefined };
return err;
};
return .{
.root = root,
.iter = iter,
};
}
pub fn get(env: *const Env, tree_name: []const u8) !?Tree {
var tree_root = tree_root_dir(env);
tree_root.append(.{tree_name});
return .{ .name = tree_name, .root = tree_root };
}
pub fn remove(env: *const Env, tree: Tree) !void {
const tree_path = env.ports_tree_path(tree.name, .{});
const src_path = env.ports_src_path(tree.name, .{});
try fs.rm(&tree.root);
fs.rm(&tree_path) catch {};
fs.rm(&src_path) catch {};
}
fn tree_root_dir(env: *const Env) fs.Path {
return env.etc_path(.{"ports"});
}
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