jpreprocess-core 0.13.2

Japanese text preprocessor for Text-to-Speech application (OpenJTalk rewrite in rust language).
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

use std::str::FromStr;

use serde::{Deserialize, Serialize};

use crate::{
    accent_rule::ChainRules,
    cform::CForm,
    ctype::CType,
    pos::{Meishi, POS},
    pronunciation::Pronunciation,
    word_line::WordDetailsLine,
    JPreprocessResult,
};

#[derive(Clone, PartialEq, Serialize, Deserialize, Debug)]
pub struct WordDetails {
    pub pos: POS,
    pub ctype: CType,
    pub cform: CForm,
    pub read: Option<String>,
    pub pron: Pronunciation,
    pub chain_rule: ChainRules,
    pub chain_flag: Option<bool>,
}

impl Default for WordDetails {
    fn default() -> Self {
        Self {
            pos: POS::Meishi(Meishi::None),
            ctype: CType::default(),
            cform: CForm::default(),
            read: None,
            pron: Pronunciation::default(),
            chain_rule: ChainRules::default(),
            chain_flag: None,
        }
    }
}

impl WordDetails {
    pub fn load(details: &[&str]) -> JPreprocessResult<Self> {
        WordDetailsLine::from_strs(details).try_into()
    }

    pub fn extend_splited(
        &mut self,
        read: &str,
        pron: &str,
        acc_morasize: &str,
    ) -> JPreprocessResult<()> {
        self.read = match read {
            "*" => None,
            _ => Some(read.to_string()),
        };
        self.pron = Pronunciation::parse_csv_pron(pron, acc_morasize)?;
        self.chain_flag = Some(false);
        Ok(())
    }

    pub fn to_str_vec(&self, orig: String) -> [String; 9] {
        let line = WordDetailsLine::from(self);

        [
            format!(
                "{},{},{},{}",
                line.pos, line.pos_group1, line.pos_group2, line.pos_group3
            ),
            line.ctype.to_string(),
            line.cform.to_string(),
            // Ideally, this should be `self.orig`, but jpreprocess njdnode does not have orig
            // and in most cases, orig is the same as string.
            orig,
            line.read.to_string(),
            line.pron.to_string(),
            line.acc_morasize.to_string(),
            line.chain_rule.to_string(),
            line.chain_flag.to_string(),
        ]
    }
}

impl TryFrom<WordDetailsLine> for WordDetails {
    type Error = crate::JPreprocessError;
    fn try_from(value: WordDetailsLine) -> Result<WordDetails, Self::Error> {
        // orig: not used

        Ok(Self {
            pos: POS::from_strs(
                &value.pos,
                &value.pos_group1,
                &value.pos_group2,
                &value.pos_group3,
            )?,
            ctype: CType::from_str(&value.ctype)?,
            cform: CForm::from_str(&value.cform)?,
            chain_rule: ChainRules::new(&value.chain_rule),
            chain_flag: match value.chain_flag.as_ref() {
                "1" => Some(true),
                "0" => Some(false),
                _ => None,
            },
            read: match value.read.as_ref() {
                "*" => None,
                _ => Some(value.read.to_string()),
            },
            pron: Pronunciation::parse_csv_pron(&value.pron, &value.acc_morasize)?,
        })
    }
}

impl From<&WordDetails> for WordDetailsLine {
    fn from(value: &WordDetails) -> Self {
        let pos = value.pos.to_string();
        let pos_parts: Vec<&str> = pos.split(',').collect();
        assert_eq!(pos_parts.len(), 4, "POS must have exactly 4 parts");

        Self {
            pos: pos_parts[0].to_string(),
            pos_group1: pos_parts[1].to_string(),
            pos_group2: pos_parts[2].to_string(),
            pos_group3: pos_parts[3].to_string(),
            ctype: value.ctype.to_string(),
            cform: value.cform.to_string(),
            orig: "*".to_string(), // orig is not stored in WordDetails
            read: value.read.as_deref().unwrap_or("*").to_string(),
            pron: value.pron.to_string(),
            acc_morasize: format!("{}/{}", value.pron.accent(), value.pron.mora_size()),
            chain_rule: value.chain_rule.to_string(),
            chain_flag: match value.chain_flag {
                Some(true) => "1",
                Some(false) => "0",
                None => "-1",
            }
            .into(),
        }
    }
}