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feature(utils): add built-in date/time functions
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jackwakefield committed Sep 15, 2014
1 parent 82d659e commit c3ef2b2
Showing 1 changed file with 170 additions and 2 deletions.
172 changes: 170 additions & 2 deletions utils.go
Original file line number Diff line number Diff line change
@@ -1,3 +1,17 @@
// Copyright 2014 Jack Wakefield
//
// 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 gopac

import (
Expand All @@ -9,7 +23,161 @@ import (
"github.com/robertkrimen/otto"
)

const dnsServer = "8.8.8.8:53"
// https://lxr.mozilla.org/seamonkey/source/netwerk/base/src/nsProxyAutoConfig.js
var javascriptUtils string = `
var wdays = {SUN: 0, MON: 1, TUE: 2, WED: 3, THU: 4, FRI: 5, SAT: 6};
var months = {JAN: 0, FEB: 1, MAR: 2, APR: 3, MAY: 4, JUN: 5, JUL: 6, AUG: 7, SEP: 8, OCT: 9, NOV: 10, DEC: 11}
function weekdayRange() {
function getDay(weekday) {
if (weekday in wdays) {
return wdays[weekday];
}
return -1;
}
var date = new Date();
var argc = arguments.length;
var wday;
if (argc < 1)
return false;
if (arguments[argc - 1] == 'GMT') {
argc--;
wday = date.getUTCDay();
} else {
wday = date.getDay();
}
var wd1 = getDay(arguments[0]);
var wd2 = (argc == 2) ? getDay(arguments[1]) : wd1;
return (wd1 == -1 || wd2 == -1) ? false
: (wd1 <= wday && wday <= wd2);
}
function dateRange() {
function getMonth(name) {
if (name in months) {
return months[name];
}
return -1;
}
var date = new Date();
var argc = arguments.length;
if (argc < 1) {
return false;
}
var isGMT = (arguments[argc - 1] == 'GMT');
if (isGMT) {
argc--;
}
// function will work even without explict handling of this case
if (argc == 1) {
var tmp = parseInt(arguments[0]);
if (isNaN(tmp)) {
return ((isGMT ? date.getUTCMonth() : date.getMonth()) ==
getMonth(arguments[0]));
} else if (tmp < 32) {
return ((isGMT ? date.getUTCDate() : date.getDate()) == tmp);
} else {
return ((isGMT ? date.getUTCFullYear() : date.getFullYear()) ==
tmp);
}
}
var year = date.getFullYear();
var date1, date2;
date1 = new Date(year, 0, 1, 0, 0, 0);
date2 = new Date(year, 11, 31, 23, 59, 59);
var adjustMonth = false;
for (var i = 0; i < (argc >> 1); i++) {
var tmp = parseInt(arguments[i]);
if (isNaN(tmp)) {
var mon = getMonth(arguments[i]);
date1.setMonth(mon);
} else if (tmp < 32) {
adjustMonth = (argc <= 2);
date1.setDate(tmp);
} else {
date1.setFullYear(tmp);
}
}
for (var i = (argc >> 1); i < argc; i++) {
var tmp = parseInt(arguments[i]);
if (isNaN(tmp)) {
var mon = getMonth(arguments[i]);
date2.setMonth(mon);
} else if (tmp < 32) {
date2.setDate(tmp);
} else {
date2.setFullYear(tmp);
}
}
if (adjustMonth) {
date1.setMonth(date.getMonth());
date2.setMonth(date.getMonth());
}
if (isGMT) {
var tmp = date;
tmp.setFullYear(date.getUTCFullYear());
tmp.setMonth(date.getUTCMonth());
tmp.setDate(date.getUTCDate());
tmp.setHours(date.getUTCHours());
tmp.setMinutes(date.getUTCMinutes());
tmp.setSeconds(date.getUTCSeconds());
date = tmp;
}
return ((date1 <= date) && (date <= date2));
}
function timeRange() {
var argc = arguments.length;
var date = new Date();
var isGMT= false
if (argc < 1) {
return false;
}
if (arguments[argc - 1] == 'GMT') {
isGMT = true;
argc--;
}
var hour = isGMT ? date.getUTCHours() : date.getHours();
var date1, date2;
date1 = new Date();
date2 = new Date();
if (argc == 1) {
return (hour == arguments[0]);
} else if (argc == 2) {
return ((arguments[0] <= hour) && (hour <= arguments[1]));
} else {
switch (argc) {
case 6:
date1.setSeconds(arguments[2]);
date2.setSeconds(arguments[5]);
case 4:
var middle = argc >> 1;
date1.setHours(arguments[0]);
date1.setMinutes(arguments[1]);
date2.setHours(arguments[middle]);
date2.setMinutes(arguments[middle + 1]);
if (middle == 2) {
date2.setSeconds(59);
}
break;
default:
throw 'timeRange: bad number of arguments'
}
}
if (isGMT) {
date.setFullYear(date.getUTCFullYear());
date.setMonth(date.getUTCMonth());
date.setDate(date.getUTCDate());
date.setHours(date.getUTCHours());
date.setMinutes(date.getUTCMinutes());
date.setSeconds(date.getUTCSeconds());
}
return ((date1 <= date) && (date <= date2));
}`

// isPlainHostName return true if there is no domain name in the host.
func isPlainHostName(host string) bool {
Expand Down Expand Up @@ -106,7 +274,7 @@ func shExpMatch(str, shexp string) bool {
shexp = strings.Replace(shexp, ".", "\\.", -1)
shexp = strings.Replace(shexp, "?", ".?", -1)
shexp = strings.Replace(shexp, "*", ".*", -1)
matched, err := regexp.MatchString(shexp, "^"+str+"$")
matched, err := regexp.MatchString("^"+shexp+"$", str)

return err == nil && matched
}

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