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AnErrupTion 1 year ago
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src/config.zig
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const std = @import("std");
const main = @import("main.zig");
const ini = @import("ini.zig");
const interop = @import("interop.zig");
const INI_CONFIG_PATH: []const u8 = "/etc/ly/";
const INI_CONFIG_MAX_SIZE: usize = 16 * 1024;
pub const LyConfig = struct {
ly: struct {
animate: bool,
animation: u8,
asterisk: u8,
bg: u8,
bigclock: bool,
blank_box: bool,
blank_password: bool,
clock: []const u8,
console_dev: []const u8,
default_input: u8,
fg: u8,
hide_borders: bool,
hide_f1_commands: bool,
input_len: u8,
lang: []const u8,
load: bool,
margin_box_h: u8,
margin_box_v: u8,
max_desktop_len: u8,
max_login_len: u8,
max_password_len: u8,
mcookie_cmd: []const u8,
min_refresh_delta: u16,
path: []const u8,
restart_cmd: []const u8,
save: bool,
save_file: []const u8,
service_name: []const u8,
shutdown_cmd: []const u8,
term_reset_cmd: []const u8,
tty: u8,
wayland_cmd: []const u8,
wayland_specifier: bool,
waylandsessions: []const u8,
x_cmd: []const u8,
xinitrc: []const u8,
x_cmd_setup: []const u8,
xauth_cmd: []const u8,
xsessions: []const u8,
},
};
pub const LyLang = struct {
ly: struct {
capslock: []const u8,
err_alloc: []const u8,
err_bounds: []const u8,
err_chdir: []const u8,
err_console_dev: []const u8,
err_dgn_oob: []const u8,
err_domain: []const u8,
err_hostname: []const u8,
err_mlock: []const u8,
err_null: []const u8,
err_pam: []const u8,
err_pam_abort: []const u8,
err_pam_acct_expired: []const u8,
err_pam_auth: []const u8,
err_pam_authinfo_unavail: []const u8,
err_pam_authok_reqd: []const u8,
err_pam_buf: []const u8,
err_pam_cred_err: []const u8,
err_pam_cred_expired: []const u8,
err_pam_cred_insufficient: []const u8,
err_pam_cred_unavail: []const u8,
err_pam_maxtries: []const u8,
err_pam_perm_denied: []const u8,
err_pam_session: []const u8,
err_pam_sys: []const u8,
err_pam_user_unknown: []const u8,
err_path: []const u8,
err_perm_dir: []const u8,
err_perm_group: []const u8,
err_perm_user: []const u8,
err_pwnam: []const u8,
err_user_gid: []const u8,
err_user_init: []const u8,
err_user_uid: []const u8,
err_xsessions_dir: []const u8,
err_xsessions_open: []const u8,
f1: []const u8,
f2: []const u8,
login: []const u8,
logout: []const u8,
numlock: []const u8,
password: []const u8,
shell: []const u8,
wayland: []const u8,
xinitrc: []const u8,
},
};
pub var ly_config: LyConfig = undefined;
pub var ly_lang: LyLang = undefined;
var config_buffer: []u8 = undefined;
var lang_buffer: []u8 = undefined;
var config_clock: [:0]u8 = undefined;
var config_console_dev: [:0]u8 = undefined;
var config_lang: [:0]u8 = undefined;
var config_mcookie_cmd: [:0]u8 = undefined;
var config_path: [:0]u8 = undefined;
var config_restart_cmd: [:0]u8 = undefined;
var config_save_file: [:0]u8 = undefined;
var config_service_name: [:0]u8 = undefined;
var config_shutdown_cmd: [:0]u8 = undefined;
var config_term_reset_cmd: [:0]u8 = undefined;
var config_wayland_cmd: [:0]u8 = undefined;
var config_waylandsessions: [:0]u8 = undefined;
var config_x_cmd: [:0]u8 = undefined;
var config_xinitrc: [:0]u8 = undefined;
var config_x_cmd_setup: [:0]u8 = undefined;
var config_xauth_cmd: [:0]u8 = undefined;
var config_xsessions: [:0]u8 = undefined;
var lang_capslock: [:0]u8 = undefined;
var lang_err_alloc: [:0]u8 = undefined;
var lang_err_bounds: [:0]u8 = undefined;
var lang_err_chdir: [:0]u8 = undefined;
var lang_err_console_dev: [:0]u8 = undefined;
var lang_err_dgn_oob: [:0]u8 = undefined;
var lang_err_domain: [:0]u8 = undefined;
var lang_err_hostname: [:0]u8 = undefined;
var lang_err_mlock: [:0]u8 = undefined;
var lang_err_null: [:0]u8 = undefined;
var lang_err_pam: [:0]u8 = undefined;
var lang_err_pam_abort: [:0]u8 = undefined;
var lang_err_pam_acct_expired: [:0]u8 = undefined;
var lang_err_pam_auth: [:0]u8 = undefined;
var lang_err_pam_authinfo_unavail: [:0]u8 = undefined;
var lang_err_pam_authok_reqd: [:0]u8 = undefined;
var lang_err_pam_buf: [:0]u8 = undefined;
var lang_err_pam_cred_err: [:0]u8 = undefined;
var lang_err_pam_cred_expired: [:0]u8 = undefined;
var lang_err_pam_cred_insufficient: [:0]u8 = undefined;
var lang_err_pam_cred_unavail: [:0]u8 = undefined;
var lang_err_pam_maxtries: [:0]u8 = undefined;
var lang_err_pam_perm_denied: [:0]u8 = undefined;
var lang_err_pam_session: [:0]u8 = undefined;
var lang_err_pam_sys: [:0]u8 = undefined;
var lang_err_pam_user_unknown: [:0]u8 = undefined;
var lang_err_path: [:0]u8 = undefined;
var lang_err_perm_dir: [:0]u8 = undefined;
var lang_err_perm_group: [:0]u8 = undefined;
var lang_err_perm_user: [:0]u8 = undefined;
var lang_err_pwnam: [:0]u8 = undefined;
var lang_err_user_gid: [:0]u8 = undefined;
var lang_err_user_init: [:0]u8 = undefined;
var lang_err_user_uid: [:0]u8 = undefined;
var lang_err_xsessions_dir: [:0]u8 = undefined;
var lang_err_xsessions_open: [:0]u8 = undefined;
var lang_f1: [:0]u8 = undefined;
var lang_f2: [:0]u8 = undefined;
var lang_login: [:0]u8 = undefined;
var lang_logout: [:0]u8 = undefined;
var lang_numlock: [:0]u8 = undefined;
var lang_password: [:0]u8 = undefined;
var lang_shell: [:0]u8 = undefined;
var lang_wayland: [:0]u8 = undefined;
var lang_xinitrc: [:0]u8 = undefined;
pub fn config_load(cfg_path: []const u8) !void {
var file = try std.fs.cwd().openFile(if (std.mem.eql(u8, cfg_path, "")) INI_CONFIG_PATH ++ "config.ini" else cfg_path, .{});
config_buffer = try main.allocator.alloc(u8, INI_CONFIG_MAX_SIZE);
var length = try file.readAll(config_buffer);
ly_config = try ini.readToStruct(LyConfig, config_buffer[0..length]);
config_clock = try interop.c_str(ly_config.ly.clock);
config_console_dev = try interop.c_str(ly_config.ly.console_dev);
config_lang = try interop.c_str(ly_config.ly.lang);
config_mcookie_cmd = try interop.c_str(ly_config.ly.mcookie_cmd);
config_path = try interop.c_str(ly_config.ly.path);
config_restart_cmd = try interop.c_str(ly_config.ly.restart_cmd);
config_save_file = try interop.c_str(ly_config.ly.save_file);
config_service_name = try interop.c_str(ly_config.ly.service_name);
config_shutdown_cmd = try interop.c_str(ly_config.ly.shutdown_cmd);
config_term_reset_cmd = try interop.c_str(ly_config.ly.term_reset_cmd);
config_wayland_cmd = try interop.c_str(ly_config.ly.wayland_cmd);
config_waylandsessions = try interop.c_str(ly_config.ly.waylandsessions);
config_x_cmd = try interop.c_str(ly_config.ly.x_cmd);
config_xinitrc = try interop.c_str(ly_config.ly.xinitrc);
config_x_cmd_setup = try interop.c_str(ly_config.ly.x_cmd_setup);
config_xauth_cmd = try interop.c_str(ly_config.ly.xauth_cmd);
config_xsessions = try interop.c_str(ly_config.ly.xsessions);
main.config.animate = ly_config.ly.animate;
main.config.animation = ly_config.ly.animation;
main.config.asterisk = ly_config.ly.asterisk;
main.config.bg = ly_config.ly.bg;
main.config.bigclock = ly_config.ly.bigclock;
main.config.blank_box = ly_config.ly.blank_box;
main.config.blank_password = ly_config.ly.blank_password;
main.config.clock = config_clock.ptr;
main.config.console_dev = config_console_dev.ptr;
main.config.default_input = ly_config.ly.default_input;
main.config.fg = ly_config.ly.fg;
main.config.hide_borders = ly_config.ly.hide_borders;
main.config.hide_f1_commands = ly_config.ly.hide_f1_commands;
main.config.input_len = ly_config.ly.input_len;
main.config.lang = config_lang.ptr;
main.config.load = ly_config.ly.load;
main.config.margin_box_h = ly_config.ly.margin_box_h;
main.config.margin_box_v = ly_config.ly.margin_box_v;
main.config.max_desktop_len = ly_config.ly.max_desktop_len;
main.config.max_login_len = ly_config.ly.max_login_len;
main.config.max_password_len = ly_config.ly.max_password_len;
main.config.mcookie_cmd = config_mcookie_cmd.ptr;
main.config.min_refresh_delta = ly_config.ly.min_refresh_delta;
main.config.path = config_path.ptr;
main.config.restart_cmd = config_restart_cmd.ptr;
main.config.save = ly_config.ly.save;
main.config.save_file = config_save_file.ptr;
main.config.service_name = config_service_name.ptr;
main.config.shutdown_cmd = config_shutdown_cmd.ptr;
main.config.term_reset_cmd = config_term_reset_cmd.ptr;
main.config.tty = ly_config.ly.tty;
main.config.wayland_cmd = config_wayland_cmd.ptr;
main.config.wayland_specifier = ly_config.ly.wayland_specifier;
main.config.waylandsessions = config_waylandsessions.ptr;
main.config.x_cmd = config_x_cmd.ptr;
main.config.xinitrc = config_xinitrc.ptr;
main.config.x_cmd_setup = config_x_cmd_setup.ptr;
main.config.xauth_cmd = config_xauth_cmd.ptr;
main.config.xsessions = config_xsessions.ptr;
}
pub fn lang_load() !void {
var path = try std.fmt.allocPrint(main.allocator, "{s}{s}.ini", .{ INI_CONFIG_PATH ++ "lang/", ly_config.ly.lang });
defer main.allocator.free(path);
var file = try std.fs.cwd().openFile(path, .{});
lang_buffer = try main.allocator.alloc(u8, INI_CONFIG_MAX_SIZE);
var length = try file.readAll(lang_buffer);
ly_lang = try ini.readToStruct(LyLang, lang_buffer[0..length]);
lang_capslock = try interop.c_str(ly_lang.ly.capslock);
lang_err_alloc = try interop.c_str(ly_lang.ly.err_alloc);
lang_err_bounds = try interop.c_str(ly_lang.ly.err_bounds);
lang_err_chdir = try interop.c_str(ly_lang.ly.err_chdir);
lang_err_console_dev = try interop.c_str(ly_lang.ly.err_console_dev);
lang_err_dgn_oob = try interop.c_str(ly_lang.ly.err_dgn_oob);
lang_err_domain = try interop.c_str(ly_lang.ly.err_domain);
lang_err_hostname = try interop.c_str(ly_lang.ly.err_hostname);
lang_err_mlock = try interop.c_str(ly_lang.ly.err_mlock);
lang_err_null = try interop.c_str(ly_lang.ly.err_null);
lang_err_pam = try interop.c_str(ly_lang.ly.err_pam);
lang_err_pam_abort = try interop.c_str(ly_lang.ly.err_pam_abort);
lang_err_pam_acct_expired = try interop.c_str(ly_lang.ly.err_pam_acct_expired);
lang_err_pam_auth = try interop.c_str(ly_lang.ly.err_pam_auth);
lang_err_pam_authinfo_unavail = try interop.c_str(ly_lang.ly.err_pam_authinfo_unavail);
lang_err_pam_authok_reqd = try interop.c_str(ly_lang.ly.err_pam_authok_reqd);
lang_err_pam_buf = try interop.c_str(ly_lang.ly.err_pam_buf);
lang_err_pam_cred_err = try interop.c_str(ly_lang.ly.err_pam_cred_err);
lang_err_pam_cred_expired = try interop.c_str(ly_lang.ly.err_pam_cred_expired);
lang_err_pam_cred_insufficient = try interop.c_str(ly_lang.ly.err_pam_cred_insufficient);
lang_err_pam_cred_unavail = try interop.c_str(ly_lang.ly.err_pam_cred_unavail);
lang_err_pam_maxtries = try interop.c_str(ly_lang.ly.err_pam_maxtries);
lang_err_pam_perm_denied = try interop.c_str(ly_lang.ly.err_pam_perm_denied);
lang_err_pam_session = try interop.c_str(ly_lang.ly.err_pam_session);
lang_err_pam_sys = try interop.c_str(ly_lang.ly.err_pam_sys);
lang_err_pam_user_unknown = try interop.c_str(ly_lang.ly.err_pam_user_unknown);
lang_err_path = try interop.c_str(ly_lang.ly.err_path);
lang_err_perm_dir = try interop.c_str(ly_lang.ly.err_perm_dir);
lang_err_perm_group = try interop.c_str(ly_lang.ly.err_perm_group);
lang_err_perm_user = try interop.c_str(ly_lang.ly.err_perm_user);
lang_err_pwnam = try interop.c_str(ly_lang.ly.err_pwnam);
lang_err_user_gid = try interop.c_str(ly_lang.ly.err_user_gid);
lang_err_user_init = try interop.c_str(ly_lang.ly.err_user_init);
lang_err_user_uid = try interop.c_str(ly_lang.ly.err_user_uid);
lang_err_xsessions_dir = try interop.c_str(ly_lang.ly.err_xsessions_dir);
lang_err_xsessions_open = try interop.c_str(ly_lang.ly.err_xsessions_open);
lang_f1 = try interop.c_str(ly_lang.ly.f1);
lang_f2 = try interop.c_str(ly_lang.ly.f2);
lang_login = try interop.c_str(ly_lang.ly.login);
lang_logout = try interop.c_str(ly_lang.ly.logout);
lang_numlock = try interop.c_str(ly_lang.ly.numlock);
lang_password = try interop.c_str(ly_lang.ly.password);
lang_shell = try interop.c_str(ly_lang.ly.shell);
lang_wayland = try interop.c_str(ly_lang.ly.wayland);
lang_xinitrc = try interop.c_str(ly_lang.ly.xinitrc);
main.lang.capslock = lang_capslock.ptr;
main.lang.err_alloc = lang_err_alloc.ptr;
main.lang.err_bounds = lang_err_bounds.ptr;
main.lang.err_chdir = lang_err_chdir.ptr;
main.lang.err_console_dev = lang_err_console_dev.ptr;
main.lang.err_dgn_oob = lang_err_dgn_oob.ptr;
main.lang.err_domain = lang_err_domain.ptr;
main.lang.err_hostname = lang_err_hostname.ptr;
main.lang.err_mlock = lang_err_mlock.ptr;
main.lang.err_null = lang_err_null.ptr;
main.lang.err_pam = lang_err_pam.ptr;
main.lang.err_pam_abort = lang_err_pam_abort.ptr;
main.lang.err_pam_acct_expired = lang_err_pam_acct_expired.ptr;
main.lang.err_pam_auth = lang_err_pam_auth.ptr;
main.lang.err_pam_authinfo_unavail = lang_err_pam_authinfo_unavail.ptr;
main.lang.err_pam_authok_reqd = lang_err_pam_authok_reqd.ptr;
main.lang.err_pam_buf = lang_err_pam_buf.ptr;
main.lang.err_pam_cred_err = lang_err_pam_cred_err.ptr;
main.lang.err_pam_cred_expired = lang_err_pam_cred_expired.ptr;
main.lang.err_pam_cred_insufficient = lang_err_pam_cred_insufficient.ptr;
main.lang.err_pam_cred_unavail = lang_err_pam_cred_unavail.ptr;
main.lang.err_pam_maxtries = lang_err_pam_maxtries.ptr;
main.lang.err_pam_perm_denied = lang_err_pam_perm_denied.ptr;
main.lang.err_pam_session = lang_err_pam_session.ptr;
main.lang.err_pam_sys = lang_err_pam_sys.ptr;
main.lang.err_pam_user_unknown = lang_err_pam_user_unknown.ptr;
main.lang.err_path = lang_err_path.ptr;
main.lang.err_perm_dir = lang_err_perm_dir.ptr;
main.lang.err_perm_group = lang_err_perm_group.ptr;
main.lang.err_perm_user = lang_err_perm_user.ptr;
main.lang.err_pwnam = lang_err_pwnam.ptr;
main.lang.err_user_gid = lang_err_user_gid.ptr;
main.lang.err_user_init = lang_err_user_init.ptr;
main.lang.err_user_uid = lang_err_user_uid.ptr;
main.lang.err_xsessions_dir = lang_err_xsessions_dir.ptr;
main.lang.err_xsessions_open = lang_err_xsessions_open.ptr;
main.lang.f1 = lang_f1.ptr;
main.lang.f2 = lang_f2.ptr;
main.lang.login = lang_login.ptr;
main.lang.logout = lang_logout.ptr;
main.lang.numlock = lang_numlock.ptr;
main.lang.password = lang_password.ptr;
main.lang.shell = lang_shell.ptr;
main.lang.wayland = lang_wayland.ptr;
main.lang.xinitrc = lang_xinitrc.ptr;
}
pub fn config_free() void {
main.allocator.free(config_clock);
main.allocator.free(config_console_dev);
main.allocator.free(config_lang);
main.allocator.free(config_mcookie_cmd);
main.allocator.free(config_path);
main.allocator.free(config_restart_cmd);
main.allocator.free(config_save_file);
main.allocator.free(config_service_name);
main.allocator.free(config_shutdown_cmd);
main.allocator.free(config_term_reset_cmd);
main.allocator.free(config_wayland_cmd);
main.allocator.free(config_waylandsessions);
main.allocator.free(config_x_cmd);
main.allocator.free(config_xinitrc);
main.allocator.free(config_x_cmd_setup);
main.allocator.free(config_xauth_cmd);
main.allocator.free(config_xsessions);
main.allocator.free(config_buffer);
}
pub fn lang_free() void {
main.allocator.free(lang_capslock);
main.allocator.free(lang_err_alloc);
main.allocator.free(lang_err_bounds);
main.allocator.free(lang_err_chdir);
main.allocator.free(lang_err_console_dev);
main.allocator.free(lang_err_dgn_oob);
main.allocator.free(lang_err_domain);
main.allocator.free(lang_err_hostname);
main.allocator.free(lang_err_mlock);
main.allocator.free(lang_err_null);
main.allocator.free(lang_err_pam);
main.allocator.free(lang_err_pam_abort);
main.allocator.free(lang_err_pam_acct_expired);
main.allocator.free(lang_err_pam_auth);
main.allocator.free(lang_err_pam_authinfo_unavail);
main.allocator.free(lang_err_pam_authok_reqd);
main.allocator.free(lang_err_pam_buf);
main.allocator.free(lang_err_pam_cred_err);
main.allocator.free(lang_err_pam_cred_expired);
main.allocator.free(lang_err_pam_cred_insufficient);
main.allocator.free(lang_err_pam_cred_unavail);
main.allocator.free(lang_err_pam_maxtries);
main.allocator.free(lang_err_pam_perm_denied);
main.allocator.free(lang_err_pam_session);
main.allocator.free(lang_err_pam_sys);
main.allocator.free(lang_err_pam_user_unknown);
main.allocator.free(lang_err_path);
main.allocator.free(lang_err_perm_dir);
main.allocator.free(lang_err_perm_group);
main.allocator.free(lang_err_perm_user);
main.allocator.free(lang_err_pwnam);
main.allocator.free(lang_err_user_gid);
main.allocator.free(lang_err_user_init);
main.allocator.free(lang_err_user_uid);
main.allocator.free(lang_err_xsessions_dir);
main.allocator.free(lang_err_xsessions_open);
main.allocator.free(lang_f1);
main.allocator.free(lang_f2);
main.allocator.free(lang_login);
main.allocator.free(lang_logout);
main.allocator.free(lang_numlock);
main.allocator.free(lang_password);
main.allocator.free(lang_shell);
main.allocator.free(lang_wayland);
main.allocator.free(lang_xinitrc);
main.allocator.free(lang_buffer);
}

184
src/ini.zig
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const std = @import("std");
// we ignore whitespace and comments
pub const Token = union(enum) { comment, section: []const u8, key: []const u8, value: []const u8 };
pub const State = enum { normal, section, key, value, comment };
pub fn getTok(data: []const u8, pos: *usize, state: *State) ?Token {
// if the position advances to the end of the data, there's no more tokens for us
if (pos.* >= data.len) return null;
var cur: u8 = 0;
// used for slicing
var start = pos.*;
var end = start;
while (pos.* < data.len) {
cur = data[pos.*];
pos.* += 1;
switch (state.*) {
.normal => {
switch (cur) {
'[' => {
state.* = .section;
start = pos.*;
end = start;
},
'=' => {
state.* = .value;
start = pos.*;
if (std.ascii.isWhitespace(data[start])) start += 1;
end = start;
},
';', '#' => {
state.* = .comment;
},
// if it is whitespace itgets skipped over anyways
else => if (!std.ascii.isWhitespace(cur)) {
state.* = .key;
start = pos.* - 1;
end = start;
},
}
},
.section => {
end += 1;
switch (cur) {
']' => {
state.* = .normal;
pos.* += 1;
return Token{ .section = data[start .. end - 1] };
},
else => {},
}
},
.value => {
switch (cur) {
';', '#' => {
state.* = .comment;
return Token{ .value = data[start .. end - 2] };
},
else => {
end += 1;
switch (cur) {
'\n' => {
state.* = .normal;
return Token{ .value = data[start .. end - 2] };
},
else => {},
}
},
}
},
.comment => {
end += 1;
switch (cur) {
'\n' => {
state.* = .normal;
return Token.comment;
},
else => {},
}
},
.key => {
end += 1;
if (!(std.ascii.isAlphanumeric(cur) or cur == '_')) {
state.* = .normal;
return Token{ .key = data[start..end] };
}
},
}
}
return null;
}
pub fn readToStruct(comptime T: type, data: []const u8) !T {
var namespace: []const u8 = "";
var pos: usize = 0;
var state: State = .normal;
var ret = std.mem.zeroes(T);
while (getTok(data, &pos, &state)) |tok| {
switch (tok) {
.comment => {},
.section => |ns| {
namespace = ns;
},
.key => |key| {
var next_tok = getTok(data, &pos, &state);
// if there's nothing just give a comment which is also a syntax error
switch (next_tok orelse .comment) {
.value => |value| {
// now we have the namespace, key, and value
// namespace and key are runtime values, so we need to loop the struct instead of using @field
inline for (std.meta.fields(T)) |ns_info| {
if (std.mem.eql(u8, ns_info.name, namespace)) {
// @field(ret, ns_info.name) contains the inner struct now
// loop over the fields of the inner struct, and check for key matches
inline for (std.meta.fields(@TypeOf(@field(ret, ns_info.name)))) |key_info| {
if (std.mem.eql(u8, key_info.name, key)) {
// now we have a key match, give it the value
const my_type = @TypeOf(@field(@field(ret, ns_info.name), key_info.name));
@field(@field(ret, ns_info.name), key_info.name) = try convert(my_type, value);
}
}
}
}
},
// after a key, a value must follow
else => return error.SyntaxError,
}
},
// if we get a value with no key, that's a bit nonsense
.value => return error.SyntaxError,
}
}
return ret;
}
// I'll add more later
const truthyAndFalsy = std.ComptimeStringMap(bool, .{ .{ "true", true }, .{ "false", false }, .{ "1", true }, .{ "0", false } });
pub fn convert(comptime T: type, val: []const u8) !T {
return switch (@typeInfo(T)) {
.Int, .ComptimeInt => try parseInt(T, val, 0),
.Float, .ComptimeFloat => try std.fmt.parseFloat(T, val),
.Bool => truthyAndFalsy.get(val).?,
.Enum => std.meta.stringToEnum(T, val).?,
else => @as(T, val),
};
}
pub fn writeStruct(struct_value: anytype, writer: anytype) !void {
inline for (std.meta.fields(@TypeOf(struct_value))) |field| {
try writer.print("[{s}]\n", .{field.name});
const pairs = @field(struct_value, field.name);
inline for (std.meta.fields(@TypeOf(pairs))) |pair| {
const key_value = @field(pairs, pair.name);
const key_value_type = @TypeOf(key_value);
const key_value_type_info = @typeInfo(key_value_type);
if (key_value_type == []const u8) {
try writer.print("{s} = {s}\n", .{ pair.name, key_value });
} else if (key_value_type_info == .Enum) {
inline for (key_value_type_info.Enum.fields) |f| {
var buffer: [128]u8 = undefined;
var haystack = try std.fmt.bufPrint(&buffer, "{}", .{key_value});
// TODO: Check type?
if (std.mem.endsWith(u8, haystack, f.name)) {
try writer.print("{s} = {s}\n", .{ pair.name, f.name });
}
}
} else {
try writer.print("{s} = {}\n", .{ pair.name, key_value });
}
}
}
}
fn parseInt(comptime T: type, buf: []const u8, base: u8) std.fmt.ParseIntError!T {
if (buf.len == 1) {
var first_char = buf[0];
if (std.ascii.isASCII(first_char) and !std.ascii.isDigit(first_char)) {
return first_char;
}
}
return std.fmt.parseInt(T, buf, base);
}

11
src/interop.zig
Unescape Escape View File

@ -0,0 +1,11 @@
const main = @import("main.zig");
pub fn c_str(str: []const u8) ![:0]u8 {
const new_str = try main.allocator.allocSentinel(u8, str.len, 0);
for (str, 0..) |c, i| {
new_str[i] = c;
}
return new_str;
}
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