mirror of
https://github.com/starovoid/rxing.git
synced 2026-07-26 04:12:34 +00:00
592 lines
22 KiB
Rust
592 lines
22 KiB
Rust
/*
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* Copyright 2008 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// package com.google.zxing.client.result;
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// import com.google.zxing.RXingResult;
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// import java.io.ByteArrayOutputStream;
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// import java.io.UnsupportedEncodingException;
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// import java.net.URI;
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// import java.nio.charset.StandardCharsets;
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// import java.util.ArrayList;
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// import java.util.Collection;
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// import java.util.List;
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// import java.util.regex.Matcher;
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// import java.util.regex.Pattern;
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use std::convert::TryFrom;
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use encoding::all::encodings;
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use regex::Regex;
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use lazy_static::lazy_static;
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use crate::RXingResult;
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use uriparse::URI;
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use super::{AddressBookParsedRXingResult, ParsedClientResult, ResultParser};
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lazy_static! {
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static ref BEGIN_VCARD :Regex= Regex::new("(?i:BEGIN:VCARD)").unwrap();
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static ref VCARD_LIKE_DATE : Regex = Regex::new("\\d{4}-?\\d{2}-?\\d{2}").unwrap();
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static ref CR_LF_SPACE_TAB : Regex = Regex::new("\r\n[ \t]").unwrap();
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static ref NEWLINE_ESCAPE : Regex = Regex::new("\\\\[nN]").unwrap();
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static ref VCARD_ESCAPE : Regex = Regex::new("\\\\([,;\\\\])").unwrap();
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static ref EQUALS : Regex = Regex::new("=").unwrap();
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static ref UNESCAPED_SEMICOLONS : fancy_regex::Regex = fancy_regex::Regex::new("(?<!\\\\);+").unwrap();
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static ref SEMICOLON_OR_COMMA : Regex = Regex::new("[;,]").unwrap();
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}
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// const BEGIN_VCARD: &'static str = "(?i:BEGIN:VCARD)"; //, Pattern.CASE_INSENSITIVE);
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// const VCARD_LIKE_DATE: &'static str = "\\d{4}-?\\d{2}-?\\d{2}";
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// const CR_LF_SPACE_TAB: &'static str = "\r\n[ \t]";
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// const NEWLINE_ESCAPE: &'static str = "\\\\[nN]";
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// const VCARD_ESCAPES: &'static str = "\\\\([,;\\\\])";
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// const EQUALS: &'static str = "=";
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const SEMICOLON: &'static str = ";";
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// const UNESCAPED_SEMICOLONS: &'static str = "(?<!\\\\);+";
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const COMMA: &'static str = ",";
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// const SEMICOLON_OR_COMMA: &'static str = "[;,]";
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/**
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* Parses contact information formatted according to the VCard (2.1) format. This is not a complete
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* implementation but should parse information as commonly encoded in 2D barcodes.
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*
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* @author Sean Owen
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*/
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pub fn parse(result: &RXingResult) -> Option<ParsedClientResult> {
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// Although we should insist on the raw text ending with "END:VCARD", there's no reason
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// to throw out everything else we parsed just because this was omitted. In fact, Eclair
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// is doing just that, and we can't parse its contacts without this leniency.
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let rawText = ResultParser::getMassagedText(result);
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// let semicolon_comma_regex = Regex::new(SEMICOLON_OR_COMMA).unwrap();
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// let rg = Regex::new(BEGIN_VCARD).unwrap();
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let mtch = BEGIN_VCARD.find(&rawText)?;
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// Matcher m = BEGIN_VCARD.matcher(rawText);
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if mtch.start() != 0 {
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return None;
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}
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let names: Vec<Vec<String>> =
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if let Some(m) = matchVCardPrefixedField("FN", &rawText, true, false) {
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m
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} else {
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// If no display names found, look for regular name fields and format them
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let mut n = matchVCardPrefixedField("N", &rawText, true, false).unwrap_or_default();
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formatNames(&mut n);
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n
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};
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// if names == null {
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// }
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let nicknames = if let Some(nicknameString) =
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matchSingleVCardPrefixedField("NICKNAME", &rawText, true, false)
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{
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nicknameString[0]
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.split(COMMA)
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.map(|x| x.to_owned())
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.collect::<Vec<String>>()
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// COMMA.split(nicknameString.get(0)
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} else {
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Vec::new()
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};
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// let nicknames = nicknameString == null ? null : COMMA.split(nicknameString.get(0));
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let phoneNumbers = matchVCardPrefixedField("TEL", &rawText, true, false);
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let emails = matchVCardPrefixedField("EMAIL", &rawText, true, false);
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let note = matchSingleVCardPrefixedField("NOTE", &rawText, false, false);
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let addresses = matchVCardPrefixedField("ADR", &rawText, true, true);
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let org = matchSingleVCardPrefixedField("ORG", &rawText, true, true);
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let birthday =
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if let Some(bday_array) = matchSingleVCardPrefixedField("BDAY", &rawText, true, false) {
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if isLikeVCardDate(&bday_array[0]) {
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bday_array
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} else {
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vec!["".to_owned()]
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}
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} else {
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vec!["".to_owned()]
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};
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// if birthday != null && !isLikeVCardDate(birthday.get(0)) {
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// birthday = null;
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// }
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let title = matchSingleVCardPrefixedField("TITLE", &rawText, true, false);
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let urls = matchVCardPrefixedField("URL", &rawText, true, false);
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let instantMessenger = matchSingleVCardPrefixedField("IMPP", &rawText, true, false);
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let geoString = matchSingleVCardPrefixedField("GEO", &rawText, true, false);
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let geo = if geoString.is_none() {
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Vec::new()
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} else {
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SEMICOLON_OR_COMMA
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.split(&geoString.unwrap()[0])
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.map(|x| x.to_owned())
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.collect()
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// SEMICOLON_OR_COMMA.split(geoString.unwrap()[0])
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};
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// if geo.len() != 2 {
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// geo = null;
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// }
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if let Ok(adb) = AddressBookParsedRXingResult::with_details(
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toPrimaryValues(Some(names)),
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nicknames,
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"".to_owned(),
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toPrimaryValues(phoneNumbers.clone()),
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toTypes(phoneNumbers),
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toPrimaryValues(emails.clone()),
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toTypes(emails),
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toPrimaryValue(instantMessenger),
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toPrimaryValue(note),
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toPrimaryValues(addresses.clone()),
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toTypes(addresses),
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toPrimaryValue(org),
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toPrimaryValue(Some(birthday)),
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toPrimaryValue(title),
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toPrimaryValues(urls),
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geo,
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) {
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Some(ParsedClientResult::AddressBookResult(adb))
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} else {
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None
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}
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}
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pub fn matchVCardPrefixedField(
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prefix: &str,
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rawText: &str,
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trim: bool,
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parseFieldDivider: bool,
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) -> Option<Vec<Vec<String>>> {
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let mut matches: Vec<Vec<String>> = Vec::new();
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let mut i = 0_isize;
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let max = rawText.len() as isize;
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// let equals_regex = Regex::new(EQUALS).unwrap();
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// let unescaped_semis = fancy_regex::Regex::new(UNESCAPED_SEMICOLONS).unwrap();
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// let cr_lf_space_tab = Regex::new(CR_LF_SPACE_TAB).unwrap();
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// let newline_esc = Regex::new(NEWLINE_ESCAPE).unwrap();
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// let vcard_esc = Regex::new(VCARD_ESCAPES).unwrap();
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// At start or after newline, match prefix, followed by optional metadata
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// (led by ;) ultimately ending in colon
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let matcher_primary = Regex::new(&format!("(?:^|\\n)(?i:{})(?:;([^:]*))?:", prefix)).unwrap();
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// let matcher_primary = Regex::new(&format!("(?:^|\n){}(.*)", prefix)).unwrap();
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//let lower_case_raw_text = rawText.to_lowercase();
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while i < max {
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//let rawText = rawText.to_lowercase();
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// Pattern.CASE_INSENSITIVE).matcher(rawText);
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if i > 0 {
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i -= 1; // Find from i-1 not i since looking at the preceding character
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}
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let cap_text = &rawText[i as usize..];
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let cap_maybe = matcher_primary.captures(cap_text);
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//let matcher_maybe = matcher_primary.find_at(&lower_case_raw_text, i);
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if cap_maybe.is_none() {
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break;
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}
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let matcher = cap_maybe?;
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i += matcher.get(0)?.end() as isize; // group 0 = whole pattern; end(0) is past final colon
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let metadataString = matcher.get(1); // group 1 = metadata substring
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let mut metadata: Vec<String> = Vec::new();
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let mut quotedPrintable = false;
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let mut quotedPrintableCharset = "";
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let mut valueType = "";
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if metadataString.is_some() {
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// let mds = metadataString?.as_str().split(SEMICOLON).collect();
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for metadatum in metadataString?.as_str().split(SEMICOLON) {
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// for (String metadatum : SEMICOLON.split(metadataString)) {
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// if (metadata == null) {
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// metadata = new ArrayList<>(1);
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// }
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metadata.push(metadatum.to_owned());
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let metadatumTokens = EQUALS.splitn(metadatum, 2).collect::<Vec<&str>>();
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if metadatumTokens.len() > 1 {
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let key = metadatumTokens[0];
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let value = metadatumTokens[1];
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if "ENCODING" == key.to_uppercase()
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&& "QUOTED-PRINTABLE" == value.to_uppercase()
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{
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quotedPrintable = true;
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} else if "CHARSET" == key.to_uppercase() {
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quotedPrintableCharset = value;
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} else if "VALUE" == key.to_uppercase() {
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valueType = value;
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}
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}
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}
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}
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let matchStart = i; // Found the start of a match here
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while let Some(pos) = rawText[i as usize..].find('\n') {
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// Really, end in \r\n
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i += pos as isize; // + i;
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// while (i = rawText.indexOf('\n', i)) >= 0 { // Really, end in \r\n
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if i < rawText.len() as isize- 1 && // But if followed by tab or space,
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(rawText.chars().nth(i as usize+ 1)? == ' ' || // this is only a continuation
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rawText.chars().nth(i as usize+ 1)? == '\t')
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{
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i += 2; // Skip \n and continutation whitespace
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} else if quotedPrintable && // If preceded by = in quoted printable
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((i >= 1 && rawText.chars().nth(i as usize- 1)? == '=') || // this is a continuation
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(i >= 2 && rawText.chars().nth(i as usize - 2)? == '='))
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{
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i += 1; // Skip \n
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} else {
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break;
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}
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}
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if i < 0 {
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// No terminating end character? uh, done. Set i such that loop terminates and break
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i = max;
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} else if i > matchStart {
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// found a match
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// if matches == null {
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// matches = new ArrayList<>(1); // lazy init
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// }
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if i >= 1 && rawText.chars().nth(i as usize- 1)? == '\r' {
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i -= 1; // Back up over \r, which really should be there
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}
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let mut element = rawText[matchStart as usize..i as usize].to_owned();
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if trim {
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element = element.trim().to_owned();
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}
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if quotedPrintable {
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element = decodeQuotedPrintable(&element, quotedPrintableCharset);
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if parseFieldDivider {
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element = UNESCAPED_SEMICOLONS
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.replace_all(&element, "\n")
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.to_mut()
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.trim()
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.to_owned();
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// element = UNESCAPED_SEMICOLONS.matcher(element).replaceAll("\n").trim();
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}
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} else {
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if parseFieldDivider {
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element = UNESCAPED_SEMICOLONS
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.replace_all(&element, "\n")
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.to_mut()
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.trim()
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.to_owned();
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// element = UNESCAPED_SEMICOLONS.matcher(element).replaceAll("\n").trim();
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}
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element = CR_LF_SPACE_TAB
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.replace_all(&element, "")
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.to_mut()
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.to_owned();
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element = NEWLINE_ESCAPE.replace_all(&element, "\n").to_mut().to_owned();
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element = VCARD_ESCAPE.replace_all(&element, "$1").to_mut().to_owned();
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// element = CR_LF_SPACE_TAB.matcher(element).replaceAll("");
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// element = NEWLINE_ESCAPE.matcher(element).replaceAll("\n");
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// element = VCARD_ESCAPES.matcher(element).replaceAll("$1");
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}
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// Only handle VALUE=uri specially
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if "uri" == valueType.to_lowercase() {
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// Don't actually support dereferencing URIs, but use scheme-specific part not URI
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// as value, to support tel: and mailto:
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if let Ok(uri) = URI::try_from(element.as_str()) {
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element = uri.path().to_string();
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}
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// try {
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// element = URI.create(element).getSchemeSpecificPart();
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// } catch (IllegalArgumentException iae) {
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// // ignore
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// }
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}
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// if metadata == null {
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// List<String> match = new ArrayList<>(1);
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// match.add(element);
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// matches.add(match);
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// } else {
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metadata.push(element);
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matches.push(metadata.into_iter().map(|s| s.to_owned()).collect());
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// }
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i += 1;
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} else {
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i += 1;
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}
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}
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if matches.is_empty() {
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None
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} else {
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Some(matches)
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}
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}
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fn decodeQuotedPrintable(value: &str, charset: &str) -> String {
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let length = value.len();
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let mut result = String::with_capacity(length);
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let mut fragmentBuffer: Vec<u8> = Vec::new(); //new ByteArrayOutputStream();
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let mut i = 0;
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// for i in 0..length {
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while i < length {
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// for (int i = 0; i < length; i++) {
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let c = value.chars().nth(i).unwrap_or_default();
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if c == '\r' || c == '\n' {
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i += 1;
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continue;
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}
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if c == '=' && i < length - 2 {
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let nextChar = value.chars().nth(i + 1).unwrap();
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if nextChar != '\r' && nextChar != '\n' {
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let nextNextChar = value.chars().nth(i + 2).unwrap();
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let firstDigit = ResultParser::parseHexDigit(nextChar);
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let secondDigit = ResultParser::parseHexDigit(nextNextChar);
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if firstDigit >= 0 && secondDigit >= 0 {
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fragmentBuffer.push(((firstDigit << 4) + secondDigit) as u8);
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} // else ignore it, assume it was incorrectly encoded
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i += 2;
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}
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i += 1;
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continue;
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}
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maybeAppendFragment(&mut fragmentBuffer, charset, &mut result);
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result.push(c);
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i += 1;
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// match c {
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// '\r' | '\n' => break,
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// '=' if i < length - 2 => {
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// let nextChar = value.chars().nth(i + 1).unwrap();
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// if nextChar != '\r' && nextChar != '\n' {
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// let nextNextChar = value.chars().nth(i + 2).unwrap();
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// let firstDigit = ResultParser::parseHexDigit(nextChar);
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// let secondDigit = ResultParser::parseHexDigit(nextNextChar);
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// if firstDigit >= 0 && secondDigit >= 0 {
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// fragmentBuffer.push(((firstDigit << 4) + secondDigit) as u8);
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// } // else ignore it, assume it was incorrectly encoded
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// i += 2;
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// }
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// }
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// _ => {
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// maybeAppendFragment(&mut fragmentBuffer, charset, &mut result);
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// result.push(c);
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// }
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// }
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// switch (c) {
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// case '\r':
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// case '\n':
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// break;
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// case '=':
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// if (i < length - 2) {
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// char nextChar = value.charAt(i + 1);
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// if (nextChar != '\r' && nextChar != '\n') {
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// char nextNextChar = value.charAt(i + 2);
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// int firstDigit = parseHexDigit(nextChar);
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// int secondDigit = parseHexDigit(nextNextChar);
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// if (firstDigit >= 0 && secondDigit >= 0) {
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// fragmentBuffer.write((firstDigit << 4) + secondDigit);
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// } // else ignore it, assume it was incorrectly encoded
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// i += 2;
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// }
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// }
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// break;
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// default:
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// maybeAppendFragment(fragmentBuffer, charset, result);
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// result.append(c);
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// }
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}
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maybeAppendFragment(&mut fragmentBuffer, charset, &mut result);
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result
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}
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fn maybeAppendFragment(fragmentBuffer: &mut Vec<u8>, charset: &str, result: &mut String) {
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if fragmentBuffer.len() > 0 {
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let fragmentBytes = fragmentBuffer.clone();
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let fragment;
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if charset.is_empty() {
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fragment = String::from_utf8(fragmentBytes).unwrap_or("".to_owned());
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// fragment = new String(fragmentBytes, StandardCharsets.UTF_8);
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} else {
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if let Some(enc) = encoding::label::encoding_from_whatwg_label(charset) {
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fragment = if let Ok(encoded_result) =
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enc.decode(&fragmentBytes, encoding::DecoderTrap::Strict)
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{
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encoded_result
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} else {
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String::from_utf8(fragmentBytes).unwrap_or("".to_owned())
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}
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} else {
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fragment = String::from_utf8(fragmentBytes).unwrap_or("".to_owned())
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}
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// try {
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// fragment = new String(fragmentBytes, charset);
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// } catch (UnsupportedEncodingException e) {
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// fragment = new String(fragmentBytes, StandardCharsets.UTF_8);
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// }
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}
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fragmentBuffer.clear();
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result.push_str(&fragment);
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}
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}
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pub fn matchSingleVCardPrefixedField(
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prefix: &str,
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rawText: &str,
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trim: bool,
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parseFieldDivider: bool,
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) -> Option<Vec<String>> {
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let values = matchVCardPrefixedField(prefix, rawText, trim, parseFieldDivider)?;
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if values.is_empty() {
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return None;
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}
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Some(values.get(0)?.clone())
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// return values == null || values.isEmpty() ? null : values.get(0);
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}
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fn toPrimaryValue(list: Option<Vec<String>>) -> String {
|
|
if let Some(l) = list {
|
|
if l.is_empty() {
|
|
"".to_owned()
|
|
} else {
|
|
l.get(0).unwrap_or(&"".to_owned()).clone()
|
|
}
|
|
} else {
|
|
"".to_owned()
|
|
}
|
|
// if list.is_empty() {
|
|
// "".to_owned()
|
|
// }else {
|
|
// *list.get(0).unwrap_or(&"".to_owned())
|
|
// }
|
|
// return list == null || list.isEmpty() ? null : list.get(0);
|
|
}
|
|
|
|
fn toPrimaryValues(lists: Option<Vec<Vec<String>>>) -> Vec<String> {
|
|
let local_lists = lists.unwrap_or_default();
|
|
if local_lists.is_empty() {
|
|
return Vec::new();
|
|
}
|
|
let mut result = Vec::with_capacity(local_lists.len()); // new ArrayList<>(lists.size());
|
|
for list in local_lists {
|
|
// for (List<String> list : lists) {
|
|
let position = if list.len() > 1 { list.len() - 1 } else { 0 };
|
|
if let Some(value) = list.get(position) {
|
|
if !value.is_empty() {
|
|
result.push(value.clone());
|
|
}
|
|
}
|
|
}
|
|
|
|
result
|
|
}
|
|
|
|
fn toTypes(lists: Option<Vec<Vec<String>>>) -> Vec<String> {
|
|
let local_lists = lists.unwrap_or_default();
|
|
if local_lists.is_empty() {
|
|
return Vec::new();
|
|
}
|
|
let mut result = Vec::with_capacity(local_lists.len()); //new ArrayList<>(lists.size());
|
|
for list in local_lists {
|
|
// for (List<String> list : lists) {
|
|
if let Some(value) = list.get(0) {
|
|
if !value.is_empty() {
|
|
let mut v_type = String::new();
|
|
let final_value = list.get(list.len() - 1).unwrap_or(&"".to_owned()).clone();
|
|
if !final_value.is_empty() {
|
|
for i in 0..list.len() - 1 {
|
|
// for (int i = 1; i < list.size(); i++) {
|
|
let metadatum = list.get(i).unwrap_or(&"".to_owned()).clone();
|
|
if let Some(equals) = metadatum.find('=') {
|
|
if "TYPE" == (metadatum[0..equals]).to_uppercase() {
|
|
v_type = metadatum[equals + 1..].to_owned();
|
|
break;
|
|
}
|
|
} else {
|
|
// if (equals < 0) {
|
|
// take the whole thing as a usable label
|
|
v_type = metadatum.to_owned();
|
|
break;
|
|
}
|
|
}
|
|
result.push(v_type);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
result
|
|
}
|
|
|
|
fn isLikeVCardDate(value: &str) -> bool {
|
|
// let rg = Regex::new(VCARD_LIKE_DATE).unwrap();
|
|
let matches = if let Some(mtch) = VCARD_LIKE_DATE.find(value) {
|
|
mtch.start() == 0 && mtch.end() == value.len()
|
|
} else {
|
|
false
|
|
};
|
|
|
|
value.is_empty() || matches
|
|
}
|
|
|
|
/**
|
|
* Formats name fields of the form "Public;John;Q.;Reverend;III" into a form like
|
|
* "Reverend John Q. Public III".
|
|
*
|
|
* @param names name values to format, in place
|
|
*/
|
|
fn formatNames(names: &mut Vec<Vec<String>>) {
|
|
if !names.is_empty() {
|
|
for list in names {
|
|
// for (List<String> list : names) {
|
|
let mut pos = 0;
|
|
while let Some(_fnd) = list.get(pos).unwrap_or(&"".to_owned()).find("=") {
|
|
pos += 1;
|
|
}
|
|
let name = list.get(pos).unwrap_or(&"".to_owned()).clone();
|
|
|
|
let mut components = vec!["".to_owned(); 5];
|
|
let mut start = 0;
|
|
let mut end = 0;
|
|
let mut componentIndex = 0;
|
|
while componentIndex < components.len() - 1 && end < name.len() {
|
|
end = if let Some(pos) = name[start..].find(';') {
|
|
pos + start
|
|
} else {
|
|
break;
|
|
};
|
|
components[componentIndex] = name[start..end].to_owned();
|
|
componentIndex += 1;
|
|
start = end + 1;
|
|
}
|
|
components[componentIndex] = name[start..].to_owned();
|
|
let mut newName = String::with_capacity(100);
|
|
maybeAppendComponent(&components, 3, &mut newName);
|
|
maybeAppendComponent(&components, 1, &mut newName);
|
|
maybeAppendComponent(&components, 2, &mut newName);
|
|
maybeAppendComponent(&components, 0, &mut newName);
|
|
maybeAppendComponent(&components, 4, &mut newName);
|
|
list[pos] = newName.trim().to_owned();
|
|
}
|
|
}
|
|
}
|
|
|
|
fn maybeAppendComponent(components: &Vec<String>, i: usize, newName: &mut String) {
|
|
if !components[i].is_empty() {
|
|
if newName.len() > 0 {
|
|
newName.push(' ');
|
|
}
|
|
newName.push_str(&components[i]);
|
|
}
|
|
}
|