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use fmt::Debug;
use crate::{Command, Context};
use std::{error::Error, fmt};
pub type Action = fn(Command, Context) -> Result<ActionResult, ActionError>;
#[derive(Debug)]
pub enum ActionResult {
Done,
ParentActionRequest(Command, Context),
Result(Command, Context),
Custom(Box<dyn Debug>),
}
impl ActionResult {
pub fn is_done(&self) -> bool {
matches!(self, ActionResult::Done)
}
}
#[derive(Debug)]
pub struct ActionError {
pub value: String,
pub kind: ActionErrorKind,
pub command: Command,
pub context: Context,
pub related_error: Option<Box<dyn Error>>,
pub printed: bool,
}
#[derive(Debug)]
pub enum ActionErrorKind {
Custom,
NoActionRegistered,
None,
}
impl ActionError {
pub fn new<T: Into<String>>(
value: T,
kind: ActionErrorKind,
command: Command,
context: Context,
related_error: Option<Box<dyn Error>>,
) -> Self {
Self {
value: value.into(),
kind,
command,
context,
related_error,
printed: false,
}
}
pub fn without_related_error(
value: String,
kind: ActionErrorKind,
command: Command,
context: Context,
) -> Self {
Self {
value,
kind,
command,
context,
related_error: None,
printed: false,
}
}
}
impl fmt::Display for ActionError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> fmt::Result {
match self.kind {
ActionErrorKind::Custom => write!(f, "{}", self.value),
ActionErrorKind::NoActionRegistered => {
write!(f, "{} does not have its own action.", self.value)
}
ActionErrorKind::None => write!(f, "no action error"),
}
}
}
impl Error for ActionError {}
pub mod bundle {
use crate::{Command, Context, FlagValue};
pub struct Bundle(pub Context, pub Command);
impl From<(Context, Command)> for Bundle {
fn from(val: (Context, Command)) -> Self {
Bundle(val.0, val.1)
}
}
impl From<Bundle> for (Context, Command) {
fn from(val: Bundle) -> Self {
val.unpack()
}
}
impl Bundle {
pub fn new(ctx: Context, cmd: Command) -> Self {
Bundle(ctx, cmd)
}
pub fn unpack(self) -> (Context, Command) {
let Bundle(ctx, cmd) = self;
(ctx, cmd)
}
pub fn context(&self) -> &Context {
&self.0
}
pub fn command(&self) -> &Command {
&self.1
}
pub fn context_mut(&mut self) -> &mut Context {
&mut self.0
}
pub fn command_mut(&mut self) -> &mut Command {
&mut self.1
}
pub fn exe_path(&self) -> &str {
self.context().exe_path()
}
pub fn take_flag_value_of(&mut self, flag_name: &str) -> Option<FlagValue> {
self.0.take_flag_value_of(flag_name, &self.1)
}
pub fn take_inputted_flag_value_of(&mut self, flag_name: &str) -> Option<FlagValue> {
self.0.take_inputted_flag_value_of(flag_name)
}
pub fn take_local_flag_value_of(&mut self, flag_name: &str) -> Option<FlagValue> {
self.0.take_local_flag_value_of(flag_name, &self.1)
}
pub fn take_common_flag_value_of(&mut self, flag_name: &str) -> Option<FlagValue> {
self.0.take_common_flag_value_of(flag_name, &self.1)
}
pub fn take_inputted_local_flag_value_of(&mut self, flag_name: &str) -> Option<FlagValue> {
self.0.take_inputted_local_flag_value_of(flag_name)
}
pub fn take_inputted_common_flag_value_of(&mut self, flag_name: &str) -> Option<FlagValue> {
self.0.take_inputted_common_flag_value_of(flag_name)
}
pub fn get_flag_value_of(&self, flag_name: &str) -> Option<FlagValue> {
self.0.get_local_flag_value_of(flag_name, &self.1)
}
pub fn get_inputted_flag_value_of(&self, flag_name: &str) -> Option<FlagValue> {
self.0.get_inputted_flag_value_of(flag_name)
}
pub fn get_local_flag_value_of(&self, flag_name: &str) -> Option<FlagValue> {
self.0.get_local_flag_value_of(flag_name, &self.1)
}
pub fn get_inputted_local_flag_value_of(&self, flag_name: &str) -> Option<FlagValue> {
self.0.get_inputted_common_flag_value_of(flag_name)
}
pub fn get_inputted_common_flag_value_of(&self, flag_name: &str) -> Option<FlagValue> {
self.0.get_inputted_common_flag_value_of(flag_name)
}
pub fn is_flag_true(&self, name: &str) -> bool {
Some(FlagValue::Bool(true)) == self.0.get_flag_value_of(name, &self.1)
}
pub fn depth(&self) -> usize {
self.0.common_flags.len()
}
}
}