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

use std::borrow::Cow;
#[cfg(feature = "ipadic")]
use std::env;

use lindera_core::{
    character_definition::CharacterDefinitions, connection::ConnectionCostMatrix,
    dictionary::Dictionary, prefix_dict::PrefixDict, unknown_dictionary::UnknownDictionary,
    LinderaResult,
};
#[cfg(feature = "compress")]
use lindera_decompress::decompress;

macro_rules! decompress_data {
    ($name: ident, $bytes: expr, $filename: literal) => {
        #[cfg(feature = "compress")]
        const $name: once_cell::sync::Lazy<Vec<u8>> = once_cell::sync::Lazy::new(|| {
            let compressed_data = bincode::deserialize_from(&$bytes[..])
                .expect(concat!("invalid file format ", $filename));
            decompress(compressed_data).expect(concat!("invalid file format ", $filename))
        });
        #[cfg(not(feature = "compress"))]
        const $name: &'static [u8] = $bytes;
    };
}

#[cfg(feature = "ipadic")]
decompress_data!(
    CHAR_DEFINITION_DATA,
    include_bytes!(concat!(env!("OUT_DIR"), "/lindera-ipadic/char_def.bin")),
    "char_def.bin"
);
#[cfg(not(feature = "ipadic"))]
decompress_data!(CHAR_DEFINITION_DATA, &[], "char_def.bin");

#[cfg(feature = "ipadic")]
decompress_data!(
    CONNECTION_DATA,
    include_bytes!(concat!(env!("OUT_DIR"), "/lindera-ipadic/matrix.mtx")),
    "matrix.mtx"
);
#[cfg(not(feature = "ipadic"))]
decompress_data!(CONNECTION_DATA, &[], "matrix.mtx");

#[cfg(feature = "ipadic")]
decompress_data!(
    IPADIC_DATA,
    include_bytes!(concat!(env!("OUT_DIR"), "/lindera-ipadic/dict.da")),
    "dict.da"
);
#[cfg(not(feature = "ipadic"))]
decompress_data!(IPADIC_DATA, &[], "dict.da");

#[cfg(feature = "ipadic")]
decompress_data!(
    IPADIC_VALS,
    include_bytes!(concat!(env!("OUT_DIR"), "/lindera-ipadic/dict.vals")),
    "dict.vals"
);
#[cfg(not(feature = "ipadic"))]
decompress_data!(IPADIC_VALS, &[], "dict.vals");

#[cfg(feature = "ipadic")]
decompress_data!(
    UNKNOWN_DATA,
    include_bytes!(concat!(env!("OUT_DIR"), "/lindera-ipadic/unk.bin")),
    "unk.bin"
);
#[cfg(not(feature = "ipadic"))]
decompress_data!(UNKNOWN_DATA, &[], "unk.bin");

#[cfg(feature = "ipadic")]
decompress_data!(
    WORDS_IDX_DATA,
    include_bytes!(concat!(env!("OUT_DIR"), "/lindera-ipadic/dict.wordsidx")),
    "dict.wordsidx"
);
#[cfg(not(feature = "ipadic"))]
decompress_data!(WORDS_IDX_DATA, &[], "dict.wordsidx");

#[cfg(feature = "ipadic")]
decompress_data!(
    WORDS_DATA,
    include_bytes!(concat!(env!("OUT_DIR"), "/lindera-ipadic/dict.words")),
    "dict.words"
);
#[cfg(not(feature = "ipadic"))]
decompress_data!(WORDS_DATA, &[], "dict.words");

pub fn load_dictionary() -> LinderaResult<Dictionary> {
    Ok(Dictionary {
        dict: prefix_dict(),
        cost_matrix: connection(),
        char_definitions: char_def()?,
        unknown_dictionary: unknown_dict()?,
        words_idx_data: words_idx_data(),
        words_data: words_data(),
    })
}

pub fn char_def() -> LinderaResult<CharacterDefinitions> {
    #[allow(clippy::needless_borrow)]
    CharacterDefinitions::load(&CHAR_DEFINITION_DATA)
}

pub fn connection() -> ConnectionCostMatrix {
    #[cfg(feature = "compress")]
    {
        ConnectionCostMatrix::load(&CONNECTION_DATA)
    }
    #[cfg(not(feature = "compress"))]
    {
        ConnectionCostMatrix::load_static(CONNECTION_DATA)
    }
}

pub fn prefix_dict() -> PrefixDict {
    #[allow(clippy::needless_borrow)]
    PrefixDict::from_static_slice(&IPADIC_DATA, &IPADIC_VALS)
}

pub fn unknown_dict() -> LinderaResult<UnknownDictionary> {
    #[allow(clippy::needless_borrow)]
    UnknownDictionary::load(&UNKNOWN_DATA)
}

pub fn words_idx_data() -> Cow<'static, [u8]> {
    #[cfg(feature = "compress")]
    {
        Cow::Owned(WORDS_IDX_DATA.to_vec())
    }
    #[cfg(not(feature = "compress"))]
    {
        Cow::Borrowed(WORDS_IDX_DATA)
    }
}

pub fn words_data() -> Cow<'static, [u8]> {
    #[cfg(feature = "compress")]
    {
        Cow::Owned(WORDS_DATA.to_vec())
    }
    #[cfg(not(feature = "compress"))]
    {
        Cow::Borrowed(WORDS_DATA)
    }
}