satteri-plugin-api 0.5.2

Rust plugin trait, typed visitors, and runner for Sätteri
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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220

// @generated by `cargo run -p satteri-layout-codegen`. Do not edit by hand.

use crate::generated::wire_constants::{
    OF_ALT, OF_IDENTIFIER, OF_LABEL, OF_LANG, OF_META, OF_NAME, OF_REFERENCE_TYPE, OF_TITLE,
    OF_URL, OF_VALUE,
};
#[cfg(feature = "mdx")]
use crate::js_commands::intern_mdx_jsx_attrs;
use crate::js_commands::{FieldCollector, HastFieldCollector, alloc_opt_str};
use satteri_arena::{ArenaBuilder, Hast, Mdast, StringRef};
use satteri_ast::hast::codec::encode_element_data;
#[cfg(feature = "mdx")]
use satteri_ast::mdast::codec::encode_mdx_jsx_element_data;
use satteri_ast::mdast::codec::{ColumnAlign, encode_directive_data, encode_table_data};
use satteri_ast::shared::{PROP_BOOL_FALSE, PROP_BOOL_TRUE};

/// Largest fixed-field `type_data` layout; callers stack-allocate this much.
pub(crate) const MAX_FIXED_TYPE_DATA: usize = 32;

/// Encode a node's `type_data` from an op-stream collector into the zeroed
/// stack buffer `buf`, returning the encoded length; `None` for types whose
/// variable-length codec stays hand-written.
#[allow(clippy::manual_range_patterns)]
pub(crate) fn encode_mdast_type_data_from_ops(
    c: &FieldCollector,
    node_type: u8,
    builder: &mut ArenaBuilder<Mdast>,
    buf: &mut [u8; MAX_FIXED_TYPE_DATA],
) -> Option<usize> {
    Some(match node_type {
        2 => {
            buf[0] = c.depth.unwrap_or(1);
            1
        }
        7 | 10 | 13 | 25 | 26 => {
            let r = alloc_opt_str(builder, c.strs[OF_VALUE as usize]);
            buf[0..8].copy_from_slice(&r.as_bytes());
            8
        }
        8 => {
            let r = alloc_opt_str(builder, c.strs[OF_LANG as usize]);
            buf[0..8].copy_from_slice(&r.as_bytes());
            let r = alloc_opt_str(builder, c.strs[OF_META as usize]);
            buf[8..16].copy_from_slice(&r.as_bytes());
            let r = alloc_opt_str(builder, c.strs[OF_VALUE as usize]);
            buf[16..24].copy_from_slice(&r.as_bytes());
            buf[24] = 96;
            28
        }
        9 => {
            let r = alloc_opt_str(builder, c.strs[OF_URL as usize]);
            buf[0..8].copy_from_slice(&r.as_bytes());
            let r = alloc_opt_str(builder, c.strs[OF_TITLE as usize]);
            buf[8..16].copy_from_slice(&r.as_bytes());
            let r = alloc_opt_str(builder, c.strs[OF_IDENTIFIER as usize]);
            buf[16..24].copy_from_slice(&r.as_bytes());
            let r = alloc_opt_str(builder, c.strs[OF_LABEL as usize]);
            buf[24..32].copy_from_slice(&r.as_bytes());
            32
        }
        15 => {
            let r = alloc_opt_str(builder, c.strs[OF_URL as usize]);
            buf[0..8].copy_from_slice(&r.as_bytes());
            let r = alloc_opt_str(builder, c.strs[OF_TITLE as usize]);
            buf[8..16].copy_from_slice(&r.as_bytes());
            16
        }
        16 => {
            let r = alloc_opt_str(builder, c.strs[OF_URL as usize]);
            buf[0..8].copy_from_slice(&r.as_bytes());
            let r = alloc_opt_str(builder, c.strs[OF_ALT as usize]);
            buf[8..16].copy_from_slice(&r.as_bytes());
            let r = alloc_opt_str(builder, c.strs[OF_TITLE as usize]);
            buf[16..24].copy_from_slice(&r.as_bytes());
            24
        }
        17 => {
            let r = alloc_opt_str(builder, c.strs[OF_IDENTIFIER as usize]);
            buf[0..8].copy_from_slice(&r.as_bytes());
            let r = alloc_opt_str(builder, c.strs[OF_LABEL as usize]);
            buf[8..16].copy_from_slice(&r.as_bytes());
            buf[16] = match c.strs[OF_REFERENCE_TYPE as usize] {
                Some("collapsed") => 1,
                Some("full") => 2,
                _ => 0,
            };
            20
        }
        18 => {
            let r = alloc_opt_str(builder, c.strs[OF_IDENTIFIER as usize]);
            buf[0..8].copy_from_slice(&r.as_bytes());
            let r = alloc_opt_str(builder, c.strs[OF_LABEL as usize]);
            buf[8..16].copy_from_slice(&r.as_bytes());
            buf[16] = match c.strs[OF_REFERENCE_TYPE as usize] {
                Some("collapsed") => 1,
                Some("full") => 2,
                _ => 0,
            };
            let r = alloc_opt_str(builder, c.strs[OF_ALT as usize]);
            buf[20..28].copy_from_slice(&r.as_bytes());
            28
        }
        19 => {
            let r = alloc_opt_str(builder, c.strs[OF_IDENTIFIER as usize]);
            buf[0..8].copy_from_slice(&r.as_bytes());
            let r = alloc_opt_str(builder, c.strs[OF_LABEL as usize]);
            buf[8..16].copy_from_slice(&r.as_bytes());
            16
        }
        20 => {
            let r = alloc_opt_str(builder, c.strs[OF_IDENTIFIER as usize]);
            buf[0..8].copy_from_slice(&r.as_bytes());
            let r = alloc_opt_str(builder, c.strs[OF_LABEL as usize]);
            buf[8..16].copy_from_slice(&r.as_bytes());
            20
        }
        27 => {
            let r = alloc_opt_str(builder, c.strs[OF_META as usize]);
            buf[0..8].copy_from_slice(&r.as_bytes());
            let r = alloc_opt_str(builder, c.strs[OF_VALUE as usize]);
            buf[8..16].copy_from_slice(&r.as_bytes());
            16
        }
        28 => {
            let r = alloc_opt_str(builder, c.strs[OF_VALUE as usize]);
            buf[8..16].copy_from_slice(&r.as_bytes());
            16
        }
        38 => {
            let r = alloc_opt_str(builder, c.strs[OF_NAME as usize]);
            buf[0..8].copy_from_slice(&r.as_bytes());
            let r = alloc_opt_str(builder, c.strs[OF_VALUE as usize]);
            buf[8..16].copy_from_slice(&r.as_bytes());
            16
        }
        102 | 103 | 104 => {
            let r = alloc_opt_str(builder, c.strs[OF_VALUE as usize]);
            buf[0..8].copy_from_slice(&r.as_bytes());
            8
        }
        _ => return None,
    })
}

/// Encode a tail node's `type_data` from an op-stream collector, or `None`
/// for tags with no generated tail (the remaining hand-written arms).
#[allow(clippy::manual_range_patterns)]
pub(crate) fn encode_mdast_tail_from_ops(
    c: &FieldCollector,
    node_type: u8,
    builder: &mut ArenaBuilder<Mdast>,
) -> Option<Vec<u8>> {
    match node_type {
        21 => {
            let aligns: Vec<ColumnAlign> = c
                .align
                .unwrap_or(&[])
                .iter()
                .map(|&b| ColumnAlign::from_u8(b).unwrap_or(ColumnAlign::None))
                .collect();
            Some(encode_table_data(&aligns))
        }
        30 | 31 | 32 => {
            let head = alloc_opt_str(builder, c.strs[OF_NAME as usize]);
            let mut items = Vec::with_capacity(c.props.len());
            for &(key, _kind, value) in &c.props {
                items.push((builder.alloc_string(key), builder.alloc_string(value)));
            }
            Some(encode_directive_data(head, &items))
        }
        #[cfg(feature = "mdx")]
        100 | 101 => {
            let head = alloc_opt_str(builder, c.strs[OF_NAME as usize]);
            let attrs = intern_mdx_jsx_attrs(&c.props, builder);
            Some(encode_mdx_jsx_element_data(
                head,
                &attrs,
                c.explicit.unwrap_or(false),
            ))
        }
        _ => None,
    }
}

/// Encode a tail node's `type_data` from an op-stream collector, or `None`
/// for tags with no generated tail (the remaining hand-written arms).
#[allow(clippy::manual_range_patterns)]
pub(crate) fn encode_hast_tail_from_ops(
    c: &HastFieldCollector,
    node_type: u8,
    builder: &mut ArenaBuilder<Hast>,
) -> Option<Vec<u8>> {
    match node_type {
        1 => {
            let tag = builder.alloc_string(c.tag.unwrap_or("div"));
            let mut props = Vec::with_capacity(c.props.len());
            for &(name, kind, value) in &c.props {
                let n = builder.alloc_string(name);
                let v = if kind == PROP_BOOL_TRUE || kind == PROP_BOOL_FALSE {
                    StringRef::empty()
                } else {
                    builder.alloc_string(value)
                };
                props.push((n, kind, v));
            }
            Some(encode_element_data(tag, &props))
        }
        #[cfg(feature = "mdx")]
        10 | 11 => {
            let head = builder.alloc_string(c.tag.unwrap_or(""));
            let attrs = intern_mdx_jsx_attrs(&c.props, builder);
            Some(encode_mdx_jsx_element_data(
                head,
                &attrs,
                c.explicit.unwrap_or(false),
            ))
        }
        _ => None,
    }
}