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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,
dir: ?std.fs.Dir = null,
iter: ?std.fs.Dir.Iterator = null,
pub fn deinit(self: *Iterator) void {
if (self.dir) |*dir| dir.close();
}
pub fn next(self: *Iterator) !?Tree {
if (self.iter) |*iter| {
while (try iter.next()) |entry| {
if (entry.kind == .directory) {
return .{
.name = entry.name,
.root = .join(.{ self.root.name(), entry.name }),
};
}
}
}
return null;
}
};
pub inline fn iterate(env: Env) !Iterator {
const root = tree_root_dir(env);
const dir = std.fs.openDirAbsoluteZ(root.name(), .{ .iterate = true }) catch |err| {
if (err == error.FileNotFound) return .{ .root = undefined };
return err;
};
return .{
.root = root,
.dir = dir,
.iter = dir.iterate(),
};
}
pub fn get(env: 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: Env, tree: Tree) !void {
try fs.rm(tree.root);
fs.rm(env.ports_tree_path(tree.name, .{})) catch {};
fs.rm(env.ports_src_path(tree.name, .{})) catch {};
}
fn tree_root_dir(env: Env) fs.Path {
return env.etc_path(.{"ports"});
}
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