rlibphonenumber 2.0.1

A high-performance Rust port of Google's libphonenumber for parsing, formatting, and validating international phone numbers.
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// Copyright (C) 2009 The Libphonenumber Authors
// Copyright (C) 2025 Kashin Vladislav (Rust adaptation author)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use std::io::Write;

use crate::{
    PhoneNumber,
    errors::InvalidRegexError,
    phonenumber_mask::{self, Hashed},
    phonenumberutil::regex_wrapper_types::PhoneNumberDescWrapper,
};

/// Internal phonenumber matching API used to isolate the underlying
/// implementation of the matcher and allow different implementations to be
/// swapped in easily.
pub(crate) trait MatcherApi: Send + Sync {
    /// Returns whether the given national number (a string containing only decimal
    /// digits) matches the national number pattern defined in the given
    /// PhoneNumberDesc message.
    fn match_national_number(
        &self,
        number: &str,
        number_desc: &PhoneNumberDescWrapper,
        allow_prefix_match: bool,
    ) -> Result<bool, InvalidRegexError>;
}

// Used for wrappers to get common behavior on different wrappers
pub trait AsOriginal<T> {
    fn as_original(&self) -> &T;
}

pub trait LenWrite {
    fn grow(&mut self, len: usize);
    fn write_all(&mut self, buf: &[u8]) -> std::io::Result<()>;
}

impl<T: Write> LenWrite for T {
    fn grow(&mut self, _: usize) {}

    fn write_all(&mut self, buf: &[u8]) -> std::io::Result<()> {
        self.write_all(buf)
    }
}

pub trait PhoneHasher {
    fn hash_phone(self, phone: &PhoneNumber) -> phonenumber_mask::Result<Hashed>;
}

pub trait OptionalHasher {
    fn hash_phone(self, phone: &PhoneNumber) -> phonenumber_mask::Result<Option<Hashed>>;
}

impl<T: PhoneHasher> OptionalHasher for T {
    fn hash_phone(self, phone: &PhoneNumber) -> phonenumber_mask::Result<Option<Hashed>> {
        Ok(Some(PhoneHasher::hash_phone(self, phone)?))
    }
}