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
|
const std = @import("std");
const parser = @import("parser.zig");
const builtins = @import("builtins.zig");
const path = @import("path.zig");
const executor = @import("executor.zig");
pub fn executeCommand(
allocator: std.mem.Allocator,
stdout: anytype,
cmd_name: []const u8,
args: ?[]const u8,
) !builtins.CommandResult {
if (std.mem.eql(u8, cmd_name, "exit")) return builtins.executeExit();
if (std.mem.eql(u8, cmd_name, "echo")) {
try builtins.executeEcho(stdout, args);
return .continue_loop;
}
if (std.mem.eql(u8, cmd_name, "pwd")) {
try builtins.executePwd(allocator, stdout);
return .continue_loop;
}
if (std.mem.eql(u8, cmd_name, "cd")) {
try builtins.executeCd(allocator, stdout, args);
return .continue_loop;
}
if (std.mem.eql(u8, cmd_name, "type")) {
try builtins.executeType(allocator, stdout, args);
return .continue_loop;
}
if (try path.findInPath(allocator, cmd_name)) |program_path| {
defer allocator.free(program_path);
const argv = try parser.parseArgs(allocator, cmd_name, args);
defer allocator.free(argv);
try executor.runExternalProgram(allocator, program_path, argv);
return .continue_loop;
}
try stdout.print("{s}: command not found\n", .{cmd_name});
return .continue_loop;
}
|
