azalea_brigadier/builder/
argument_builder.rs1use std::{
2 fmt::{self, Debug},
3 sync::Arc,
4};
5
6use parking_lot::RwLock;
7
8use super::{literal_argument_builder::Literal, required_argument_builder::Argument};
9use crate::{
10 context::CommandContext,
11 errors::CommandSyntaxError,
12 modifier::RedirectModifier,
13 tree::{Command, CommandNode},
14};
15
16#[derive(Debug)]
17pub enum ArgumentBuilderType<S> {
18 Literal(Literal),
19 Argument(Argument<S>),
20}
21impl<S> Clone for ArgumentBuilderType<S> {
22 fn clone(&self) -> Self {
23 match self {
24 ArgumentBuilderType::Literal(literal) => ArgumentBuilderType::Literal(literal.clone()),
25 ArgumentBuilderType::Argument(argument) => {
26 ArgumentBuilderType::Argument(argument.clone())
27 }
28 }
29 }
30}
31
32pub struct ArgumentBuilder<S> {
34 arguments: CommandNode<S>,
35
36 command: Command<S>,
37 requirement: Arc<dyn Fn(&S) -> bool + Send + Sync>,
38 target: Option<Arc<RwLock<CommandNode<S>>>>,
39
40 forks: bool,
41 modifier: Option<Arc<RedirectModifier<S>>>,
42}
43
44impl<S> ArgumentBuilder<S> {
46 pub fn new(value: ArgumentBuilderType<S>) -> Self {
47 Self {
48 arguments: CommandNode {
49 value,
50 ..Default::default()
51 },
52 command: None,
53 requirement: Arc::new(|_| true),
54 forks: false,
55 modifier: None,
56 target: None,
57 }
58 }
59
60 pub fn then(self, argument: ArgumentBuilder<S>) -> Self {
69 self.then_built(argument.build())
70 }
71
72 pub fn then_built(mut self, argument: CommandNode<S>) -> Self {
76 self.arguments.add_child(&Arc::new(RwLock::new(argument)));
77 self
78 }
79
80 pub fn executes<F>(mut self, f: F) -> Self
92 where
93 F: Fn(&CommandContext<S>) -> i32 + Send + Sync + 'static,
94 {
95 self.command = Some(Arc::new(move |ctx: &CommandContext<S>| Ok(f(ctx))));
96 self
97 }
98
99 pub fn executes_result<F>(mut self, f: F) -> Self
102 where
103 F: Fn(&CommandContext<S>) -> Result<i32, CommandSyntaxError> + Send + Sync + 'static,
104 {
105 self.command = Some(Arc::new(f));
106 self
107 }
108
109 pub fn requires<F>(mut self, requirement: F) -> Self
127 where
128 F: Fn(&S) -> bool + Send + Sync + 'static,
129 {
130 self.requirement = Arc::new(requirement);
131 self
132 }
133
134 pub fn redirect(self, target: Arc<RwLock<CommandNode<S>>>) -> Self {
135 self.forward(target, None, false)
136 }
137
138 pub fn fork(
139 self,
140 target: Arc<RwLock<CommandNode<S>>>,
141 modifier: Arc<RedirectModifier<S>>,
142 ) -> Self {
143 self.forward(target, Some(modifier), true)
144 }
145
146 pub fn forward(
147 mut self,
148 target: Arc<RwLock<CommandNode<S>>>,
149 modifier: Option<Arc<RedirectModifier<S>>>,
150 fork: bool,
151 ) -> Self {
152 if !self.arguments.children.is_empty() {
153 panic!("Cannot forward a node with children");
154 }
155 self.target = Some(target);
156 self.modifier = modifier;
157 self.forks = fork;
158 self
159 }
160
161 pub fn arguments(&self) -> &CommandNode<S> {
162 &self.arguments
163 }
164
165 pub fn build(self) -> CommandNode<S> {
168 let mut result = CommandNode {
169 value: self.arguments.value,
170 command: self.command,
171 requirement: self.requirement,
172 redirect: self.target,
173 modifier: self.modifier,
174 forks: self.forks,
175 arguments: Default::default(),
176 children: Default::default(),
177 literals: Default::default(),
178 };
179
180 for argument in self.arguments.children.values() {
181 result.add_child(argument);
182 }
183
184 result
185 }
186}
187
188impl<S> Debug for ArgumentBuilder<S> {
189 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
190 f.debug_struct("ArgumentBuilder")
191 .field("arguments", &self.arguments)
192 .field("target", &self.target)
195 .field("forks", &self.forks)
196 .finish()
198 }
199}
200impl<S> Clone for ArgumentBuilder<S> {
201 fn clone(&self) -> Self {
202 Self {
203 arguments: self.arguments.clone(),
204 command: self.command.clone(),
205 requirement: self.requirement.clone(),
206 target: self.target.clone(),
207 forks: self.forks,
208 modifier: self.modifier.clone(),
209 }
210 }
211}