1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
#![allow(clippy::borrowed_box)]
use std::fmt::Display;
use crate::{
AnyOutput, ChainProcess, Dispatcher, Next, Program, ProgramCollect, RenderResult,
error::ProgramInternalExecuteError,
};
#[doc(hidden)]
pub mod error;
pub async fn exec<C, G>(program: Program<C, G>) -> Result<RenderResult, ProgramInternalExecuteError>
where
C: ProgramCollect<Enum = G>,
G: Display,
{
let mut current;
let mut stop_next = false;
// Match user input
match match_user_input(&program) {
Ok((dispatcher, args)) => {
// Entry point
current = match dispatcher.begin(args) {
ChainProcess::Ok((any, Next::Renderer)) => {
return Ok(render::<C, G>(&program, any));
}
ChainProcess::Ok((any, Next::Chain)) => any,
ChainProcess::Err(e) => return Err(e.into()),
};
}
Err(ProgramInternalExecuteError::DispatcherNotFound) => {
// No matching Dispatcher is found
current = C::build_dispatcher_not_found(program.args.clone());
}
Err(e) => return Err(e),
};
loop {
let final_exec = stop_next;
current = {
// If a chain exists, execute as a chain
if C::has_chain(¤t) {
match C::do_chain(current).await {
ChainProcess::Ok((any, Next::Renderer)) => {
return Ok(render::<C, G>(&program, any));
}
ChainProcess::Ok((any, Next::Chain)) => any,
ChainProcess::Err(e) => return Err(e.into()),
}
}
// If no chain exists, attempt to render
else if C::has_renderer(¤t) {
return Ok(render::<C, G>(&program, current));
}
// No renderer exists
else {
stop_next = true;
C::build_renderer_not_found(current.member_id)
}
};
if final_exec && stop_next {
break;
}
}
Ok(RenderResult::default())
}
/// Match user input against registered dispatchers and return the matched dispatcher and remaining arguments.
#[allow(clippy::type_complexity)]
fn match_user_input<C, G>(
program: &Program<C, G>,
) -> Result<(&Box<dyn Dispatcher<G>>, Vec<String>), ProgramInternalExecuteError>
where
C: ProgramCollect<Enum = G>,
G: Display,
{
let nodes = get_nodes(program);
let command = format!("{} ", program.args.join(" "));
// Find all nodes that match the command prefix
let matching_nodes: Vec<&(String, &Box<dyn Dispatcher<G>>)> = nodes
.iter()
// Also add a space to the node string to ensure consistent matching logic
.filter(|(node_str, _)| command.starts_with(&format!("{} ", node_str)))
.collect();
match matching_nodes.len() {
0 => {
// No matching node found
Err(ProgramInternalExecuteError::DispatcherNotFound)
}
1 => {
let matched_prefix = matching_nodes[0];
let prefix_len = matched_prefix.0.split_whitespace().count();
let trimmed_args: Vec<String> = program.args.iter().skip(prefix_len).cloned().collect();
Ok((matched_prefix.1, trimmed_args))
}
_ => {
// Multiple matching nodes found
// Find the node with the longest length (most specific match)
let matched_prefix = matching_nodes
.iter()
.max_by_key(|node| node.0.len())
.unwrap();
let prefix_len = matched_prefix.0.split_whitespace().count();
let trimmed_args: Vec<String> = program.args.iter().skip(prefix_len).cloned().collect();
Ok((matched_prefix.1, trimmed_args))
}
}
}
#[inline(always)]
#[allow(unused_variables)]
fn render<C: ProgramCollect<Enum = G>, G: Display>(
program: &Program<C, G>,
any: AnyOutput<G>,
) -> RenderResult {
#[cfg(not(feature = "general_renderer"))]
{
let mut render_result = RenderResult::default();
C::render(any, &mut render_result);
render_result
}
#[cfg(feature = "general_renderer")]
{
match program.general_renderer_name {
super::GeneralRendererSetting::Disable => {
let mut render_result = RenderResult::default();
C::render(any, &mut render_result);
render_result
}
_ => C::general_render(any, &program.general_renderer_name).unwrap(),
}
}
}
// Get all registered dispatcher names from the program
fn get_nodes<C: ProgramCollect<Enum = G>, G: Display>(
program: &Program<C, G>,
) -> Vec<(String, &Box<dyn Dispatcher<G>>)> {
program
.dispatcher
.iter()
.map(|disp| {
let node_str = disp
.node()
.to_string()
.split('.')
.collect::<Vec<_>>()
.join(" ");
(node_str, disp)
})
.collect()
}
|
