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

/*
    litelocale.
    Lightweight localization library for Rust.

    Copyright (c) 2017 Sam Saint-Pettersen.

    Released under the MIT License.
*/

// ! Lightweight localization library for Rust.

extern crate serde;
#[macro_use]
extern crate serde_derive;

#[derive(Deserialize)]
pub struct LocaleMessage {
    locstr: String,
    message: String,
    phonetic: String,
}

impl LocaleMessage {
    ///
    /// Create a new LocaleMessage, a unit of localization.
    ///
    /// * `locstr` - Identifying string (i.e. in English).
    /// * `message` - Message string in localized language.
    /// * `phonetic` - Message string in localized language as phonetic (optional).
    ///
    /// # Return value:
    /// A LocaleMessage.
    pub fn new(locstr: &str, message: &str, phonetic: &str)
    -> LocaleMessage {
        LocaleMessage {
            locstr: locstr.to_owned(),
            message: message.to_owned(),
            phonetic: phonetic.to_owned(),
        }
    }
    fn get_str(&self) -> String {
        self.locstr.clone()
    }
    fn get_message(&self) -> String {
        self.message.clone()
    }
    fn get_phonetic(&self) -> String {
        self.phonetic.clone()
    }
}

pub struct Locale {
    messages: Vec<LocaleMessage>,
}

impl Locale {
    ///
    /// Create a new Locale, a collection of LocaleMessages.
    ///
    /// # Return value:
    /// A Locale.
    pub fn new() -> Locale {
        Locale {
            messages: Vec::new(),
        }
    }
    ///
    /// Add a LocaleMessage to the Locale.
    /// 
    /// `message` - LocalMessage to add to this Locale.
    ///
    pub fn add_message(&mut self, message: LocaleMessage) {
        self.messages.push(message);
    }
    fn get_message_str(&self, locstr: &str) -> String {
        let mut message_str = String::new();
        for message in &self.messages {
            if message.get_str() == locstr {
                message_str = message.get_message();
            }
        }
        message_str
    }
    fn get_phonetic_str(&self, locstr: &str) -> String {
        let mut phonetic_str = String::new();
        for message in &self.messages {
            if message.get_str() == locstr {
                phonetic_str = message.get_phonetic();
            }
        }
        phonetic_str
    }
}

///
/// Localize each word (e.g. hello -> hola) in the provided 
/// message string using the provided Locale.
///
/// `message` - Message string to localize (i.e. in English).
/// `locale` - &Locale to use for localization.
///
/// # Return value:
/// A localized message string or original message as-is provided.
pub fn localize(message: &str, locale: &Locale) -> String {
    let mut localized: Vec<String> = Vec::new();
    let split = message.split(" ");
    let locstrs: Vec<&str> = split.collect();
    if !locale.get_message_str(locstrs[0]).is_empty() {
        for l in locstrs {
            localized.push(locale.get_message_str(l));
        }
    } else {
        return message.to_owned();
    }
    localized.join(" ")
}

///
/// Localize each word phonetically (e.g. hello -> ola) 
/// in provided message string using the provided Locale
/// where phonetic strings have been provided.
///
/// `message` - Message string to localize (i.e. in English).
/// `locale` - &Locale to use for localization.
///
/// # Return value:
/// A localized phonetic message string or original message as-is provided.
pub fn phoneticize(message: &str, locale: &Locale) -> String {
    let mut phoneticized: Vec<String> = Vec::new();
    let split = message.split(" ");
    let locstrs: Vec<&str> = split.collect();
    if !locale.get_message_str(locstrs[0]).is_empty() {
        for l in locstrs {
            phoneticized.push(locale.get_phonetic_str(l));
        }
    } else {
        return message.to_owned();
    }
    phoneticized.join(" ")
}

#[cfg(test)]
fn load_spanish_locale() -> Locale {
    let mut es = Locale::new();
    es.add_message(LocaleMessage::new("hello", "hola", "ola"));
    es.add_message(LocaleMessage::new("and", "y", "ee"));
    es.add_message(LocaleMessage::new("goodbye", "adiós", "adeeos"));
    es
}
#[test]
fn localize_each_word() {
    let es = load_spanish_locale();
    assert_eq!("hola", localize("hello", &es));
    assert_eq!("y", localize("and", &es));
    assert_eq!("adiós", localize("goodbye", &es));
}
#[test]
fn phoneticize_each_word() {
    let es = load_spanish_locale();
    assert_eq!("ola", phoneticize("hello", &es));
    assert_eq!("ee", phoneticize("and", &es));
    assert_eq!("adeeos", phoneticize("goodbye", &es));
}
#[test]
fn localize_message() {
    let es = load_spanish_locale();
    assert_eq!("hola y adiós", localize("hello and goodbye", &es));
}
#[test]
fn phoneticize_message() {
    let es = load_spanish_locale();
    assert_eq!("ola ee adeeos", phoneticize("hello and goodbye", &es));
}