rxing 0.8.5

A rust port of the zxing barcode library.
Documentation
/*
 * Copyright 2008 ZXing authors
 *
 * 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.
 */

// package com.google.zxing.client.result;

// import com.google.zxing.RXingResult;

use super::{ParsedClientResult, ResultParser, TelParsedRXingResult};

/**
 * Parses a "tel:" URI result, which specifies a phone number.
 *
 * @author Sean Owen
 */
pub fn parse(theRXingResult: &crate::RXingResult) -> Option<ParsedClientResult> {
    let rawText = ResultParser::getMassagedText(theRXingResult);
    if !rawText.starts_with("tel:") && !rawText.starts_with("TEL:") {
        return None;
    }
    // Normalize "TEL:" to "tel:"
    let telURI = if let Some(stripped) = rawText.strip_prefix("TEL:") {
        format!("tel:{stripped}")
    } else {
        rawText.clone()
    };
    // Drop tel, query portion
    let queryStart = rawText[4..].find('?');
    let number = if let Some(v) = queryStart {
        &rawText[4..v + 4]
    } else {
        &rawText[4..]
    };
    // let number = queryStart < 0 ?  : ;
    Some(ParsedClientResult::TelResult(TelParsedRXingResult::new(
        number.to_owned(),
        telURI,
        String::default(),
    )))
}
// }