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-rw-r--r--riverctl/args.zig119
1 files changed, 0 insertions, 119 deletions
diff --git a/riverctl/args.zig b/riverctl/args.zig
deleted file mode 100644
index 29ca0f9..0000000
--- a/riverctl/args.zig
+++ /dev/null
@@ -1,119 +0,0 @@
-// This file is part of river, a dynamic tiling wayland compositor.
-//
-// Copyright 2021 The River Developers
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <https://www.gnu.org/licenses/>.
-
-const std = @import("std");
-const mem = std.mem;
-const cstr = std.cstr;
-
-const root = @import("root");
-
-pub const FlagDef = struct {
- name: [*:0]const u8,
- kind: enum { boolean, arg },
-};
-
-pub fn Args(comptime num_positionals: comptime_int, comptime flag_defs: []const FlagDef) type {
- return struct {
- const Self = @This();
-
- positionals: [num_positionals][*:0]const u8,
- flags: [flag_defs.len]struct {
- name: [*:0]const u8,
- value: union {
- boolean: bool,
- arg: ?[*:0]const u8,
- },
- },
-
- pub fn parse(argv: [][*:0]const u8) Self {
- var ret: Self = undefined;
-
- // Init all flags in the flags array to false/null
- inline for (flag_defs) |flag_def, flag_idx| {
- switch (flag_def.kind) {
- .boolean => ret.flags[flag_idx] = .{
- .name = flag_def.name,
- .value = .{ .boolean = false },
- },
- .arg => ret.flags[flag_idx] = .{
- .name = flag_def.name,
- .value = .{ .arg = null },
- },
- }
- }
-
- // Parse the argv in to the positionals and flags arrays
- var arg_idx: usize = 0;
- var positional_idx: usize = 0;
- outer: while (arg_idx < argv.len) : (arg_idx += 1) {
- var should_continue = false;
- inline for (flag_defs) |flag_def, flag_idx| {
- if (cstr.cmp(flag_def.name, argv[arg_idx]) == 0) {
- switch (flag_def.kind) {
- .boolean => ret.flags[flag_idx].value.boolean = true,
- .arg => {
- arg_idx += 1;
- ret.flags[flag_idx].value.arg = if (arg_idx < argv.len)
- argv[arg_idx]
- else
- root.printErrorExit("flag '" ++ flag_def.name ++
- "' requires an argument but none was provided!", .{});
- },
- }
- // TODO: this variable exists as a workaround for the fact that
- // using continue :outer here crashes the stage1 compiler.
- should_continue = true;
- }
- }
- if (should_continue) continue;
-
- if (positional_idx == num_positionals) {
- root.printErrorExit(
- "{} positional arguments expected but more were provided!",
- .{num_positionals},
- );
- }
-
- ret.positionals[positional_idx] = argv[arg_idx];
- positional_idx += 1;
- }
-
- if (positional_idx < num_positionals) {
- root.printErrorExit(
- "{} positional arguments expected but only {} were provided!",
- .{ num_positionals, positional_idx },
- );
- }
-
- return ret;
- }
-
- pub fn boolFlag(self: Self, flag_name: [*:0]const u8) bool {
- for (self.flags) |flag| {
- if (cstr.cmp(flag.name, flag_name) == 0) return flag.value.boolean;
- }
- unreachable;
- }
-
- pub fn argFlag(self: Self, flag_name: [*:0]const u8) ?[*:0]const u8 {
- for (self.flags) |flag| {
- if (cstr.cmp(flag.name, flag_name) == 0) return flag.value.arg;
- }
- unreachable;
- }
- };
-}