/*
* @title 法令データ年号変換
* @description 全角年号→半角英数年号
* @include http://law.e-gov.go.jp/*
* @javascript_url
*/
// cf. http://law.e-gov.go.jp/htmldata/S58/S58HO043.html
// 最終改正：平成二三年一二月一四日法律第一二二号
// ↓
// 最終改正： 2011.12.14 法122
(function () {
var a, b, c, d, n, s;
a = $X('//div[contains(text(),"最終改正：")]')[0];
b = $X('translate(./text(),"〇一二三四五六七八九","0123456789")', a);
c = b.replace('最終改正：', '').replace(/(\D+)/, '$1.').replace('年', '.').replace('月', '.').replace('日', '.').replace('律', '').replace('令', '').replace('第', '').replace('号', '');
d = c.split('.');
n = d[0], year = parseInt(d[1]), month = parseInt(d[2]), day = parseInt(d[3]), low = d[4];
//via http://www.openreference.jp/?aid=190
if ((n == "平成") && (year > 0)) {
s = (year + 1988);
} else if ((n == "昭和") && (year > 0) && (year <= 64)) {
s = (year + 1925);
} else if ((n == "大正") && (year > 0) && (year <= 15)) {
s = (year + 1911);
} else if ((n == "明治") && (year > 0) && (year <= 45)) {
s = (y + 1867);
} else {}
a.innerHTML = '最終改正： ' + s + '.' + month + '.' + day + ' ' + low;
// cho45 / dollarX.js https://gist.github.com/cho45/3238
// extend version of $X
// $X(exp);
// $X(exp, context);
// $X(exp, type);
// $X(exp, context, type);
function $X(exp, context, type /* want type */ ) {
if (typeof context == "function") {
type = context;
context = null;
}
if (!context) context = document;
exp = (context.ownerDocument || context).createExpression(exp, function (prefix) {
var o = document.createNSResolver(context)(prefix);
if (o) return o;
return (document.contentType == "application/xhtml+xml") ? "http://www.w3.org/1999/xhtml" : "";
});
switch (type) {
case String:
return exp.evaluate(context, XPathResult.STRING_TYPE, null).stringValue;
case Number:
return exp.evaluate(context, XPathResult.NUMBER_TYPE, null).numberValue;
case Boolean:
return exp.evaluate(context, XPathResult.BOOLEAN_TYPE, null).booleanValue;
case Array:
var result = exp.evaluate(context, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
for (var ret = [], i = 0, len = result.snapshotLength; i < len; i++) {
ret.push(result.snapshotItem(i));
}
return ret;
case undefined:
var result = exp.evaluate(context, XPathResult.ANY_TYPE, null);
switch (result.resultType) {
case XPathResult.STRING_TYPE:
return result.stringValue;
case XPathResult.NUMBER_TYPE:
return result.numberValue;
case XPathResult.BOOLEAN_TYPE:
return result.booleanValue;
case XPathResult.UNORDERED_NODE_ITERATOR_TYPE:
// not ensure the order.
var ret = [],
i = null;
while ((i = result.iterateNext())) ret.push(i);
return ret;
}
return null;
default:
throw (TypeError("$X: specified type is not valid type."));
}
}
})()
