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iconv-3.0.1
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Text recoding in JavaScript for fun and profit!
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | iconv-3.0.1 |
| نام | iconv |
| نسخه کتابخانه | 3.0.1 |
| نگهدارنده | ['bnoordhuis'] |
| ایمیل نگهدارنده | ['info@bnoordhuis.nl'] |
| نویسنده | Ben Noordhuis |
| ایمیل نویسنده | info@bnoordhuis.nl |
| آدرس صفحه اصلی | git://github.com/bnoordhuis/node-iconv.git |
| آدرس اینترنتی | https://github.com/bnoordhuis/node-iconv |
| مجوز | ISC |
# node-iconv
Text recoding in JavaScript for fun and profit!
## Supported encodings
European languages
ASCII, ISO-8859-{1,2,3,4,5,7,9,10,13,14,15,16},
KOI8-R, KOI8-U, KOI8-RU,
CP{437,737,775,850,852,853,855,857,858,860,861,863,865,866,869}
CP{1125,1250,1251,1252,1253,1254,1257}
Mac{Roman,CentralEurope,Iceland,Croatian,Romania},
Mac{Cyrillic,Ukraine,Greek,Turkish},
Macintosh
Semitic languages
ISO-8859-{6,8}, CP{1255,1256}, CP862, CP864, Mac{Hebrew,Arabic}
Japanese
EUC-JP, SHIFT_JIS, CP932, ISO-2022-JP, ISO-2022-JP-2, ISO-2022-JP-1
EUC-JISX0213, Shift_JISX0213, ISO-2022-JP-3
Chinese
EUC-CN, HZ, GBK, CP936, GB18030, EUC-TW, BIG5, CP950, BIG5-HKSCS,
BIG5-HKSCS:2004, BIG5-HKSCS:2001, BIG5-HKSCS:1999, ISO-2022-CN,
ISO-2022-CN-EXT, BIG5-2003 (experimental)
Korean
EUC-KR, CP949, ISO-2022-KR, JOHAB
Turkmen
TDS565
Armenian
ARMSCII-8
Georgian
Georgian-Academy, Georgian-PS
Tajik
KOI8-T
Kazakh
PT154, RK1048
Thai
ISO-8859-11, TIS-620, CP874, MacThai
Laotian
MuleLao-1, CP1133
Vietnamese
VISCII, TCVN, CP1258
Platform specifics
HP-ROMAN8, NEXTSTEP, ATARIST, RISCOS-LATIN1
Full Unicode
UTF-8
UCS-2, UCS-2BE, UCS-2LE
UCS-4, UCS-4BE, UCS-4LE
UTF-16, UTF-16BE, UTF-16LE
UTF-32, UTF-32BE, UTF-32LE
UTF-7
C99, JAVA
Full Unicode, in terms of `uint16_t` or `uint32_t`
(with machine dependent endianness and alignment)
UCS-2-INTERNAL, UCS-4-INTERNAL
Locale dependent, in terms of `char` or `wchar_t`
(with machine dependent endianness and alignment, and with OS and
locale dependent semantics)
char, wchar_t
The empty encoding name "" is equivalent to "char": it denotes the
locale dependent character encoding.
If you don't need the full gamut of encodings, consider using [iconv-lite][].
It supports most common encodings and doesn't require a compiler to install.
## Installing with [npm](http://npmjs.org/)
$ npm install iconv
Note that you do not need to have a copy of libiconv installed to use this
module.
## Compiling from source
$ git clone git://github.com/bnoordhuis/node-iconv.git
$ cd node-iconv
$ npm install
If you have a specific node.js source checkout that you want to build against,
replace the last command with:
$ npm install --nodedir=/path/to/node
## Usage
Encode from one character encoding to another:
// convert from UTF-8 to ISO-8859-1
var Buffer = require('buffer').Buffer;
var Iconv = require('iconv').Iconv;
var assert = require('assert');
var iconv = new Iconv('UTF-8', 'ISO-8859-1');
var buffer = iconv.convert('Hello, world!');
var buffer2 = iconv.convert(Buffer.from('Hello, world!'));
assert.equal(buffer.inspect(), buffer2.inspect());
// do something useful with the buffers
A simple ISO-8859-1 to UTF-8 conversion TCP service:
var net = require('net');
var Iconv = require('iconv').Iconv;
var server = net.createServer(function(conn) {
var iconv = new Iconv('latin1', 'utf-8');
conn.pipe(iconv).pipe(conn);
});
server.listen(8000);
console.log('Listening on tcp://0.0.0.0:8000/');
Look at test/test-basic.js and test/test-stream.js for more examples
and node-iconv's behaviour under error conditions.
## Notes
Things to keep in mind when you work with node-iconv.
### Chunked data
Say you are reading data in chunks from a HTTP stream. The logical input is a
single document (the full POST request data) but the physical input will be
spread over several buffers (the request chunks).
You must accumulate the small buffers into a single large buffer before
performing the conversion. If you don't, you will get unexpected results with
multi-byte and stateful character sets like UTF-8 and ISO-2022-JP.
The above only applies when you are calling `Iconv#convert()` yourself.
If you use the streaming interface, node-iconv takes care of stitching
partial character sequences together again.
### Dealing with untranslatable characters
Characters are not always translatable to another encoding. The UTF-8 string
"ça va が", for example, cannot be represented in plain 7-bits ASCII without
some loss of fidelity.
By default, node-iconv throws EILSEQ when untranslatabe characters are
encountered but this can be customized. Quoting the `iconv_open(3)` man page:
//TRANSLIT
When the string "//TRANSLIT" is appended to tocode, transliteration is
activated. This means that when a character cannot be represented in the
target character set, it can be approximated through one or several
similarly looking characters.
//IGNORE
When the string "//IGNORE" is appended to tocode, characters that cannot be
represented in the target character set will be silently discarded.
Example usage:
var iconv = new Iconv('UTF-8', 'ASCII');
iconv.convert('ça va'); // throws EILSEQ
var iconv = new Iconv('UTF-8', 'ASCII//IGNORE');
iconv.convert('ça va'); // returns "a va"
var iconv = new Iconv('UTF-8', 'ASCII//TRANSLIT');
iconv.convert('ça va'); // "ca va"
var iconv = new Iconv('UTF-8', 'ASCII//TRANSLIT//IGNORE');
iconv.convert('ça va が'); // "ca va "
### EINVAL
EINVAL is raised when the input ends in a partial character sequence. This is a
feature, not a bug.
[iconv-lite]: https://www.npmjs.org/package/iconv-lite
زبان مورد نیاز
| مقدار | نام |
|---|---|
| 16.0.0 | Npm |
نحوه نصب
نصب پکیج tgz iconv-3.0.1:
npm install iconv-3.0.1.tgz