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/*
* 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.
*/
use encoding::EncodingRef;
use crate::common::Result;
use crate::Exceptions;
/**
* Encapsulates a Character Set ECI, according to "Extended Channel Interpretations" 5.3.1.1
* of ISO 18004.
*
* @author Sean Owen
*/
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub enum CharacterSet {
// Enum name is a Java encoding valid for java.lang and java.io
Cp437, //(new int[]{0,2}),
ISO8859_1, //(new int[]{1,3}, "ISO-8859-1"),
ISO8859_2, //(4, "ISO-8859-2"),
ISO8859_3, //(5, "ISO-8859-3"),
ISO8859_4, //(6, "ISO-8859-4"),
ISO8859_5, //(7, "ISO-8859-5"),
ISO8859_6, //(8, "ISO-8859-6"),
ISO8859_7, //(9, "ISO-8859-7"),
ISO8859_8, //(10, "ISO-8859-8"),
ISO8859_9, //(11, "ISO-8859-9"),
ISO8859_10, //(12, "ISO-8859-10"),
ISO8859_11, //(13, "ISO-8859-11"),
ISO8859_13, //(15, "ISO-8859-13"),
ISO8859_14, //(16, "ISO-8859-14"),
ISO8859_15, //(17, "ISO-8859-15"),
ISO8859_16, //(18, "ISO-8859-16"),
Shift_JIS, //(20, "Shift_JIS"),
Cp1250, //(21, "windows-1250"),
Cp1251, //(22, "windows-1251"),
Cp1252, //(23, "windows-1252"),
Cp1256, //(24, "windows-1256"),
UTF16BE, //(25, "UTF-16BE", "UnicodeBig"),
UTF8, //(26, "UTF-8"),
ASCII, //(new int[] {27, 170}, "US-ASCII"),
Big5, //(28),
GB2312,
GB18030, //(29, "GB2312", "EUC_CN", "GBK"),
EUC_KR, //(30, "EUC-KR");
UTF16LE,
UTF32BE,
UTF32LE,
Binary,
Unknown,
}
impl CharacterSet {
// pub fn get_eci_value(&self) -> u32 {
// match self {
// CharacterSet::Cp437 => 0,
// CharacterSet::ISO8859_1 => 1,
// CharacterSet::ISO8859_2 => 4,
// CharacterSet::ISO8859_3 => 5,
// CharacterSet::ISO8859_4 => 6,
// CharacterSet::ISO8859_5 => 7,
// // CharacterSetECI::ISO8859_6 => 8,
// CharacterSet::ISO8859_7 => 9,
// // CharacterSetECI::ISO8859_8 => 10,
// CharacterSet::ISO8859_9 => 11,
// // CharacterSetECI::ISO8859_10 => 12,
// // CharacterSetECI::ISO8859_11 => 13,
// CharacterSet::ISO8859_13 => 15,
// // CharacterSetECI::ISO8859_14 => 16,
// CharacterSet::ISO8859_15 => 17,
// CharacterSet::ISO8859_16 => 18,
// CharacterSet::Shift_JIS => 20,
// CharacterSet::Cp1250 => 21,
// CharacterSet::Cp1251 => 22,
// CharacterSet::Cp1252 => 23,
// CharacterSet::Cp1256 => 24,
// CharacterSet::UTF16BE => 25,
// CharacterSet::UTF8 => 26,
// CharacterSet::ASCII => 27,
// CharacterSet::Big5 => 28,
// CharacterSet::GB2312 => 29,
// CharacterSet::GB18030 => 32,
// CharacterSet::EUC_KR => 30,
// CharacterSet::UTF16LE => 33,
// CharacterSet::UTF32BE => 34,
// CharacterSet::UTF32LE => 35,
// CharacterSet::Binary => 899,
// _=>1000,
// }
// }
fn get_base_encoder(&self) -> EncodingRef {
let name = match self {
CharacterSet::Cp437 => "cp437",
CharacterSet::ISO8859_1 => return encoding::all::ISO_8859_1,
CharacterSet::ISO8859_2 => "ISO-8859-2",
CharacterSet::ISO8859_3 => "ISO-8859-3",
CharacterSet::ISO8859_4 => "ISO-8859-4",
CharacterSet::ISO8859_5 => "ISO-8859-5",
CharacterSet::ISO8859_6 => "ISO-8859-6",
CharacterSet::ISO8859_7 => "ISO-8859-7",
CharacterSet::ISO8859_8 => "ISO-8859-8",
CharacterSet::ISO8859_9 => "ISO-8859-9",
CharacterSet::ISO8859_10 => "ISO-8859-10",
CharacterSet::ISO8859_11 => "ISO-8859-11",
CharacterSet::ISO8859_13 => "ISO-8859-13",
CharacterSet::ISO8859_14 => "ISO-8859-14",
CharacterSet::ISO8859_15 => "ISO-8859-15",
CharacterSet::ISO8859_16 => "ISO-8859-16",
CharacterSet::Shift_JIS => "shift_jis",
CharacterSet::Cp1250 => "windows-1250",
CharacterSet::Cp1251 => "windows-1251",
CharacterSet::Cp1252 => "windows-1252",
CharacterSet::Cp1256 => "windows-1256",
CharacterSet::UTF16BE => "UTF-16BE",
CharacterSet::UTF16LE => "UTF-16LE",
CharacterSet::UTF8 => "UTF-8",
CharacterSet::ASCII => "US-ASCII",
CharacterSet::Big5 => "Big5",
CharacterSet::GB18030 => "GB18030",
CharacterSet::GB2312 => "GB2312",
CharacterSet::EUC_KR => "EUC-KR",
CharacterSet::UTF32BE => "utf-32be",
CharacterSet::UTF32LE => "utf-32le",
CharacterSet::Binary => "binary",
CharacterSet::Unknown => "unknown",
};
encoding::label::encoding_from_whatwg_label(name).unwrap()
}
pub fn get_charset_name(&self) -> &'static str {
match self {
CharacterSet::Cp437 => "cp437",
CharacterSet::ISO8859_1 => "iso-8859-1",
CharacterSet::ISO8859_2 => "iso-8859-2",
CharacterSet::ISO8859_3 => "iso-8859-3",
CharacterSet::ISO8859_4 => "iso-8859-4",
CharacterSet::ISO8859_5 => "iso-8859-5",
CharacterSet::ISO8859_6 => "ISO-8859-6",
CharacterSet::ISO8859_7 => "iso-8859-7",
CharacterSet::ISO8859_8 => "ISO-8859-8",
CharacterSet::ISO8859_9 => "iso-8859-9",
CharacterSet::ISO8859_10 => "ISO-8859-10",
CharacterSet::ISO8859_11 => "ISO-8859-11",
CharacterSet::ISO8859_13 => "iso-8859-13",
CharacterSet::ISO8859_14 => "ISO-8859-14",
CharacterSet::ISO8859_15 => "iso-8859-15",
CharacterSet::ISO8859_16 => "iso-8859-16",
CharacterSet::Shift_JIS => "shift_jis",
CharacterSet::Cp1250 => "windows-1250",
CharacterSet::Cp1251 => "windows-1251",
CharacterSet::Cp1252 => "windows-1252",
CharacterSet::Cp1256 => "windows-1256",
CharacterSet::UTF16BE => "utf-16be",
CharacterSet::UTF16LE => "utf-16le",
CharacterSet::UTF8 => "utf-8",
CharacterSet::ASCII => "us-ascii",
CharacterSet::Big5 => "big5",
CharacterSet::GB18030 => "gb18030",
CharacterSet::GB2312 => "gb2312",
CharacterSet::EUC_KR => "euc-kr",
CharacterSet::UTF32BE => "utf-32be",
CharacterSet::UTF32LE => "utf-32le",
CharacterSet::Binary => "binary",
CharacterSet::Unknown => "unknown",
}
}
// /**
// * @param charset Java character set object
// * @return CharacterSetECI representing ECI for character encoding, or null if it is legal
// * but unsupported
// */
// fn get_character_set_eci(charset: EncodingRef) -> Option<CharacterSetECI> {
// let name = if let Some(nm) = charset.whatwg_name() {
// nm
// } else {
// charset.name()
// };
// match name {
// "cp437" => Some(CharacterSetECI::Cp437),
// "iso-8859-1" => Some(CharacterSetECI::ISO8859_1),
// "iso-8859-2" => Some(CharacterSetECI::ISO8859_2),
// "iso-8859-3" => Some(CharacterSetECI::ISO8859_3),
// "iso-8859-4" => Some(CharacterSetECI::ISO8859_4),
// "iso-8859-5" => Some(CharacterSetECI::ISO8859_5),
// // "iso-8859-6" => Some(CharacterSetECI::ISO8859_6),
// "iso-8859-7" => Some(CharacterSetECI::ISO8859_7),
// // "iso-8859-8" => Some(CharacterSetECI::ISO8859_8),
// "iso-8859-9" => Some(CharacterSetECI::ISO8859_9),
// // "iso-8859-10" => Some(CharacterSetECI::ISO8859_10),
// // "iso-8859-11" => Some(CharacterSetECI::ISO8859_11),
// "iso-8859-13" => Some(CharacterSetECI::ISO8859_13),
// // "iso-8859-14" => Some(CharacterSetECI::ISO8859_14),
// "iso-8859-15" => Some(CharacterSetECI::ISO8859_15),
// "iso-8859-16" => Some(CharacterSetECI::ISO8859_16),
// "shift_jis" => Some(CharacterSetECI::SJIS),
// "windows-1250" => Some(CharacterSetECI::Cp1250),
// "windows-1251" => Some(CharacterSetECI::Cp1251),
// "windows-1252" => Some(CharacterSetECI::Cp1252),
// "windows-1256" => Some(CharacterSetECI::Cp1256),
// "utf-16be" => Some(CharacterSetECI::UnicodeBigUnmarked),
// "utf-8" | "utf8" => Some(CharacterSetECI::UTF8),
// "us-ascii" => Some(CharacterSetECI::ASCII),
// "big5" => Some(CharacterSetECI::Big5),
// "gb2312" => Some(CharacterSetECI::GB18030),
// "euc-kr" => Some(CharacterSetECI::EUC_KR),
// _ => None,
// }
// }
// /**
// * @param value character set ECI value
// * @return {@code CharacterSetECI} representing ECI of given value, or null if it is legal but
// * unsupported
// * @throws FormatException if ECI value is invalid
// */
// pub fn get_character_set_by_eci(value: u32) -> Result<CharacterSet> {
// match value {
// 0 | 2 => Ok(CharacterSet::Cp437),
// 1 | 3 => Ok(CharacterSet::ISO8859_1),
// 4 => Ok(CharacterSet::ISO8859_2),
// 5 => Ok(CharacterSet::ISO8859_3),
// 6 => Ok(CharacterSet::ISO8859_4),
// 7 => Ok(CharacterSet::ISO8859_5),
// // 8 => Ok(CharacterSetECI::ISO8859_6),
// 9 => Ok(CharacterSet::ISO8859_7),
// // 10 => Ok(CharacterSetECI::ISO8859_8),
// 11 => Ok(CharacterSet::ISO8859_9),
// // 12 => Ok(CharacterSetECI::ISO8859_10),
// // 13 => Ok(CharacterSetECI::ISO8859_11),
// 15 => Ok(CharacterSet::ISO8859_13),
// // 16 => Ok(CharacterSetECI::ISO8859_14),
// 17 => Ok(CharacterSet::ISO8859_15),
// 18 => Ok(CharacterSet::ISO8859_16),
// 20 => Ok(CharacterSet::Shift_JIS),
// 21 => Ok(CharacterSet::Cp1250),
// 22 => Ok(CharacterSet::Cp1251),
// 23 => Ok(CharacterSet::Cp1252),
// 24 => Ok(CharacterSet::Cp1256),
// 25 => Ok(CharacterSet::UTF16BE),
// 26 => Ok(CharacterSet::UTF8),
// 27 => Ok(CharacterSet::ASCII),
// 28 => Ok(CharacterSet::Big5),
// 32 => Ok(CharacterSet::GB18030),
// 29 => Ok(CharacterSet::GB2312),
// 30 => Ok(CharacterSet::EUC_KR),
// 33 => Ok(CharacterSet::UTF16LE),
// 34 => Ok(CharacterSet::UTF32BE),
// 35 => Ok(CharacterSet::UTF32LE),
// 899 => Ok(CharacterSet::Binary),
// _ => Err(Exceptions::not_found_with("Bad ECI Value")),
// }
// }
/**
* @param name character set ECI encoding name
* @return CharacterSetECI representing ECI for character encoding, or null if it is legal
* but unsupported
*/
pub fn get_character_set_by_name(name: &str) -> Option<CharacterSet> {
match name.to_lowercase().as_str() {
"cp437" => Some(CharacterSet::Cp437),
"iso-8859-1" => Some(CharacterSet::ISO8859_1),
"iso-8859-2" => Some(CharacterSet::ISO8859_2),
"iso-8859-3" => Some(CharacterSet::ISO8859_3),
"iso-8859-4" => Some(CharacterSet::ISO8859_4),
"iso-8859-5" => Some(CharacterSet::ISO8859_5),
// "iso-8859-6" => Some(CharacterSet::ISO8859_6),
"iso-8859-7" => Some(CharacterSet::ISO8859_7),
// "iso-8859-8" => Some(CharacterSet::ISO8859_8),
"iso-8859-9" => Some(CharacterSet::ISO8859_9),
// "ISO-8859-10" => Some(CharacterSet::ISO8859_10),
// "ISO-8859-11" => Some(CharacterSet::ISO8859_11),
"iso-8859-13" => Some(CharacterSet::ISO8859_13),
// "ISO-8859-14" => Some(CharacterSet::ISO8859_14),
"iso-8859-15" => Some(CharacterSet::ISO8859_15),
"iso-8859-16" => Some(CharacterSet::ISO8859_16),
"shift_jis" => Some(CharacterSet::Shift_JIS),
"windows-1250" => Some(CharacterSet::Cp1250),
"windows-1251" => Some(CharacterSet::Cp1251),
"windows-1252" => Some(CharacterSet::Cp1252),
"windows-1256" => Some(CharacterSet::Cp1256),
"utf-16be" => Some(CharacterSet::UTF16BE),
"utf-8" | "utf8" => Some(CharacterSet::UTF8),
"us-ascii" => Some(CharacterSet::ASCII),
"big5" => Some(CharacterSet::Big5),
"gb2312" => Some(CharacterSet::GB2312),
"gb18030" => Some(CharacterSet::GB18030),
"euc-kr" => Some(CharacterSet::EUC_KR),
"utf-32be" => Some(CharacterSet::UTF32BE),
"utf-32le" => Some(CharacterSet::UTF32LE),
"binary" => Some(CharacterSet::Binary),
"unknown" => Some(CharacterSet::Unknown),
_ => None,
}
}
pub fn encode(&self, input: &str) -> Result<Vec<u8>> {
if self == &CharacterSet::Cp437 {
use codepage_437::ToCp437;
use codepage_437::CP437_CONTROL;
input
.to_cp437(&CP437_CONTROL)
.map(|data| data.to_vec())
.map_err(|e| Exceptions::format_with(format!("{e:?}")))
} else {
self.get_base_encoder()
.encode(input, encoding::EncoderTrap::Strict)
.map_err(|e| Exceptions::format_with(e.to_string()))
}
}
pub fn encode_replace(&self, input: &str) -> Result<Vec<u8>> {
self.get_base_encoder()
.encode(input, encoding::EncoderTrap::Replace)
.map_err(|e| Exceptions::format_with(e.to_string()))
}
pub fn decode(&self, input: &[u8]) -> Result<String> {
if self == &CharacterSet::Cp437 {
use codepage_437::BorrowFromCp437;
use codepage_437::CP437_CONTROL;
Ok(String::borrow_from_cp437(&input, &CP437_CONTROL))
} else {
self.get_base_encoder()
.decode(input, encoding::DecoderTrap::Strict)
.map_err(|e| Exceptions::format_with(e.to_string()))
}
}
pub fn decode_replace(&self, input: &[u8]) -> Result<String> {
self.get_base_encoder()
.decode(input, encoding::DecoderTrap::Replace)
.map_err(|e| Exceptions::format_with(e.to_string()))
}
}