rho-coding-agent 1.13.0

A lightweight agent harness inspired by Pi
Documentation 
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

use ratatui::{
    style::{Modifier, Style},
    text::{Line, Span},
};

use super::{
    render::{truncate_one_line, wrap_line_at_whitespace},
    theme::Theme,
};

const FIELD_LABEL_WIDTH: usize = 14;
const SIDE_BY_SIDE_MIN_WIDTH: usize = 32;

pub(super) struct CommandBlock {
    lines: Vec<Line<'static>>,
    style: Style,
    width: usize,
}

impl CommandBlock {
    pub(super) fn new(width: usize) -> Self {
        Self {
            lines: Vec::new(),
            style: Theme::command_block(),
            width,
        }
    }

    pub(super) fn push_header(&mut self, title: &str, detail: &str) {
        if self.width == 0 {
            self.lines.push(Line::from(Span::styled("", self.style)));
            return;
        }
        let title = truncate_one_line(title, self.width);
        let mut spans = vec![Span::styled(
            title.clone(),
            self.style.add_modifier(Modifier::BOLD),
        )];
        let remaining = self.width.saturating_sub(Line::from(title).width());
        if remaining > 2 {
            spans.push(Span::styled("  ", self.style));
            spans.push(Span::styled(
                truncate_one_line(detail, remaining - 2),
                self.style.add_modifier(Modifier::DIM),
            ));
        }
        self.lines.push(Line::from(spans));
    }

    pub(super) fn push_section(&mut self, title: &str) {
        self.lines.push(Line::from(Span::styled("", self.style)));
        self.lines.push(Line::from(Span::styled(
            truncate_one_line(title, self.width),
            self.style.add_modifier(Modifier::BOLD),
        )));
    }

    pub(super) fn push_field(&mut self, label: &str, value: &str) {
        if self.width == 0 {
            self.lines.push(Line::from(Span::styled("", self.style)));
            return;
        }
        let label_width = FIELD_LABEL_WIDTH.min(self.width.saturating_sub(1));
        let value_start = label_width.saturating_add(2);
        if self.width >= SIDE_BY_SIDE_MIN_WIDTH && value_start < self.width {
            let mut values = wrap_line_at_whitespace(value, self.width - value_start).into_iter();
            let first = values.next().unwrap_or_default();
            self.lines.push(Line::from(vec![
                Span::styled(
                    format!("  {label:label_width$}"),
                    self.style.add_modifier(Modifier::DIM),
                ),
                Span::styled(first, self.style),
            ]));
            self.lines.extend(values.map(|value| {
                Line::from(vec![
                    Span::styled(" ".repeat(value_start), self.style),
                    Span::styled(value.trim_start().to_string(), self.style),
                ])
            }));
        } else {
            self.lines.push(Line::from(Span::styled(
                truncate_one_line(&format!("  {label}"), self.width),
                self.style.add_modifier(Modifier::DIM),
            )));
            let indent_width = 4.min(self.width.saturating_sub(1));
            let value_width = self.width.saturating_sub(indent_width).max(1);
            let indent = " ".repeat(indent_width);
            self.lines
                .extend(
                    wrap_line_at_whitespace(value, value_width)
                        .into_iter()
                        .map(|value| {
                            Line::from(Span::styled(
                                format!("{indent}{}", value.trim_start()),
                                self.style,
                            ))
                        }),
                );
        }
    }

    pub(super) fn push_note(&mut self, note: &str) {
        if self.width == 0 {
            self.lines.push(Line::from(Span::styled("", self.style)));
            return;
        }
        let indent_width = 2.min(self.width.saturating_sub(1));
        let note_width = self.width.saturating_sub(indent_width).max(1);
        let indent = " ".repeat(indent_width);
        self.lines.extend(
            wrap_line_at_whitespace(note, note_width)
                .into_iter()
                .map(|part| {
                    Line::from(Span::styled(
                        format!("{indent}{}", part.trim_start()),
                        self.style.add_modifier(Modifier::DIM | Modifier::ITALIC),
                    ))
                }),
        );
    }

    pub(super) fn finish(self) -> Vec<Line<'static>> {
        debug_assert!(self.lines.iter().all(|line| line.width() <= self.width));
        fill_lines(self.lines, self.width, self.style)
    }
}

pub(super) fn fill_lines(
    lines: Vec<Line<'static>>,
    width: usize,
    style: Style,
) -> Vec<Line<'static>> {
    lines
        .into_iter()
        .map(|mut line| {
            let padding = width.saturating_sub(line.width());
            if padding > 0 {
                line.spans.push(Span::styled(" ".repeat(padding), style));
            }
            line
        })
        .collect()
}