diff options
Diffstat (limited to 'src/cmd/path.zig')
-rw-r--r-- | src/cmd/path.zig | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/cmd/path.zig b/src/cmd/path.zig new file mode 100644 index 0000000..734350a --- /dev/null +++ b/src/cmd/path.zig @@ -0,0 +1,67 @@ +const std = @import("std"); +const Allocator = std.mem.Allocator; +const print = std.debug.print; + +const types = @import("./types.zig"); +const CommandStatus = types.CommandStatus; +const OutputCapture = types.OutputCapture; +const InputSource = types.InputSource; + +pub const PathGet = struct { + pub fn eval(path_get: PathGet, allocator: Allocator, output_capture: ?*OutputCapture, input_source: ?*InputSource) !CommandStatus { + _ = path_get; + _ = input_source; + + const current_path = std.process.getEnvVarOwned(allocator, "PATH") catch |err| switch (err) { + error.EnvironmentVariableNotFound => { + // PATH not set, show empty + const output = "PATH=(not set)\n"; + if (output_capture) |capture| { + try capture.write(output); + } else { + print("{s}", .{output}); + } + return CommandStatus{ .Code = 0 }; + }, + else => { + const error_msg = "Cannot access PATH environment variable\n"; + if (output_capture) |capture| { + try capture.write(error_msg); + } else { + print("{s}", .{error_msg}); + } + return CommandStatus{ .Code = 1 }; + }, + }; + defer allocator.free(current_path); + + const output = try std.fmt.allocPrint(allocator, "PATH={s}\n", .{current_path}); + defer allocator.free(output); + if (output_capture) |capture| { + try capture.write(output); + } else { + print("{s}", .{output}); + } + return CommandStatus{ .Code = 0 }; + } +}; + +pub const PathSet = struct { + value: []const u8, + + pub fn eval(path_set: PathSet, allocator: Allocator, output_capture: ?*OutputCapture, input_source: ?*InputSource) !CommandStatus { + _ = input_source; + + // Note: In a real DOS system, this would persist for the session + // Here we just show what would be set but don't actually set it + // since Zig's std.process doesn't provide a simple way to set env vars + const output = try std.fmt.allocPrint(allocator, "PATH would be set to: {s}\n(Note: Environment variable setting not implemented in this shell)\n", .{path_set.value}); + defer allocator.free(output); + if (output_capture) |capture| { + try capture.write(output); + } else { + print("{s}", .{output}); + } + return CommandStatus{ .Code = 0 }; + } +}; |