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use fmt;
use strings;
use getopt;
use os;
use io;
use path;
use os::exec;
use strconv;
type error = !(io::error | path::error | exec::error);
type func = fn(tasks: []task, args: str...) (void | task | error);
type command = struct {
names: []str,
func: *func,
};
const PADDING: size = 30z;
const commands: [_]command = [
command {
names = ["f", "filter"],
func = &filter,
},
command {
names = ["s", "show"],
func = &show,
},
command {
names = ["w", "write"],
func = &write,
},
];
fn execcommand(name: str, tasks: []task, args: str...) (void | error) = {
for (const c .. commands) {
for (const n .. c.names) {
if (n == name) {
c.func(tasks, args...)?;
};
};
};
};
fn write(tasks: []task, args: str...) (void | task | error) = {
const cmdname = "task write";
const cmdhelp: []getopt::help = ["write a task", "<name>"];
if (len(args) == 0z) {
getopt::printhelp(os::stderr, cmdname, cmdhelp)?;
return;
};
const cmd = getopt::parse(args,
cmdname: getopt::help,
cmdhelp[0],
cmdhelp[1],
);
defer getopt::finish(&cmd);
if (len(args) != 1z) {
getopt::printhelp(os::stderr, cmdname, cmdhelp)?;
return;
};
let buf = path::init()?;
const p = path::push(&buf, "tasks", args[0])?;
const c = exec::cmd("vim", p)?;
exec::exec(&c);
};
fn show(tasks: []task, args: str...) (void | task | error) = {
for (const t .. tasks) {
for (const s .. args) {
if (t.name == s) {
fmt::println(t.content)!;
};
};
};
};
fn printtask(t: task) (void | error) = {
const pad = PADDING - len(t.name) + len(strconv::utos(t.priority));
fmt::printfln("{}{%}", t.name, t.priority, &fmt::mods {
pad = ' ',
width = pad, ...
})!;
};
fn filter(tasks: []task, args: str...) (void | task | error) = {
const headpad = PADDING - len("name") + len("priority");
fmt::printfln("name{%}", "priority", &fmt::mods {
pad = ' ',
width = headpad,
...
})!;
for (const t .. tasks) {
if (len(args) == 0z) {
printtask(t)?;
};
for (const s .. args) {
if (strings::contains(t.name, s)) {
printtask(t)?;
};
};
};
};
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