123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108 |
- goog.provide('goog.i18n.mime');
- goog.provide('goog.i18n.mime.encode');
- goog.require('goog.array');
- goog.i18n.mime.NONASCII_ = /[^!-<>@-^`-~]/g;
- goog.i18n.mime.NONASCII_NOQUOTE_ = /[^!#-<>@-^`-~]/g;
- goog.i18n.mime.encode = function(str, opt_noquote) {
- var nonascii =
- opt_noquote ? goog.i18n.mime.NONASCII_NOQUOTE_ : goog.i18n.mime.NONASCII_;
- if (str.search(nonascii) >= 0) {
- str = '=?UTF-8?Q?' +
- str.replace(
- nonascii,
-
- function(c) {
- var i = c.charCodeAt(0);
- if (i == 32) {
-
- return '_';
- }
- var a = goog.array.concat('', goog.i18n.mime.getHexCharArray(c));
- return a.join('=');
- }) +
- '?=';
- }
- return str;
- };
- goog.i18n.mime.getHexCharArray = function(c) {
- var i = c.charCodeAt(0);
- var a = [];
-
- if (i < 128) {
- a.push(i);
- } else if (i <= 0x7ff) {
- a.push(0xc0 + ((i >> 6) & 0x3f), 0x80 + (i & 0x3f));
- } else if (i <= 0xffff) {
- a.push(
- 0xe0 + ((i >> 12) & 0x3f), 0x80 + ((i >> 6) & 0x3f), 0x80 + (i & 0x3f));
- } else {
-
-
- a.push(
- 0xf0 + ((i >> 18) & 0x3f), 0x80 + ((i >> 12) & 0x3f),
- 0x80 + ((i >> 6) & 0x3f), 0x80 + (i & 0x3f));
- }
-
-
- for (i = a.length - 1; i >= 0; --i) {
- a[i] = a[i].toString(16);
- }
- return a;
- };
|