60 lines
1.9 KiB
JavaScript
60 lines
1.9 KiB
JavaScript
// Common functionality for PLT documentation pages
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function GetCookie(key) {
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if (document.cookie.length <= 0) return null;
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var cookiestrs = document.cookie.split(/; */);
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for (var i in cookiestrs) {
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var cur = cookiestrs[i];
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var eql = cur.indexOf('=');
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if (eql >= 0 && cur.substring(0,eql) == key)
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return unescape(cur.substring(eql+1));
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}
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return null;
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}
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function SetCookie(key, val) {
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var d = new Date();
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d.setTime(d.getTime()+(365*24*60*60*1000));
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document.cookie =
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key + "=" + escape(val) + "; expires="+ d.toGMTString() + "; path=/";
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}
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// note that this always stores a directory name, ending with a "/"
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function SetPLTRoot(ver, relative) {
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var root = location.protocol + "//" + location.host
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+ NormalizePath(location.pathname.replace(/[^\/]*$/, relative));
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SetCookie("PLT_Root."+ver, root);
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}
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// adding index.html works because of the above
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function GotoPLTRoot(ver, relative) {
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var u = GetCookie("PLT_Root."+ver);
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if (u == null) return true; // no cookie: use plain up link
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// the relative path is optional, default goes to the toplevel start page
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if (!relative) relative = "index.html";
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location = u + relative;
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return false;
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}
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normalize_rxs = [/\/\/+/g, /\/\.(\/|$)/, /\/[^\/]*\/\.\.(\/|$)/];
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function NormalizePath(path) {
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var tmp, i;
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for (i = 0; i < normalize_rxs.length; i++)
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while ((tmp = path.replace(normalize_rxs[i], "/")) != path) path = tmp;
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return path;
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}
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function DoSearchKey(event, field) {
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var val = field.value;
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if (event && event.keyCode == 13 && val.indexOf("...search...") < 0) {
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var u = GetCookie("PLT_Root");
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if (u == null) u = "../"; // default: go up
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u = u.replace(/[^\/\\]*$/, "") + "plt-search.html";
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location = u + "?q=" + escape(val);
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}
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}
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// `noscript' is problematic in some browsers (always renders as a
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// block), use this hack instead
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document.write("<style>mynoscript { display:none; }</style>");
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