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(function() {
'use strict';
var all_versions = {
'dev': 'dev (3.3)',
'3.1.7': '3.1.7',
'3.0.4': '3.0.4',
'2.7.4': '2.7.4',
};
var all_doctypes = {
'single': 'Individual Webpages',
'mega': "All-in-one 'Mega' Manual",
};
// Simple version comparision
// Return 1 if a > b
// Return -1 if a < b
// Return 0 if a == b
function ver_compare(a, b) {
if (a == "dev") {
return 1;
}
if (a === b) {
return 0;
}
var a_components = a.split(".");
var b_components = b.split(".");
var len = Math.min(a_components.length, b_components.length);
// loop while the components are equal
for (var i = 0; i < len; i++) {
// A bigger than B
if (parseInt(a_components[i]) > parseInt(b_components[i])) {
return 1;
}
// B bigger than A
if (parseInt(a_components[i]) < parseInt(b_components[i])) {
return -1;
}
}
// If one's a prefix of the other, the longer one is greater.
if (a_components.length > b_components.length) {
return 1;
}
if (a_components.length < b_components.length) {
return -1;
}
// Otherwise they are the same.
return 0;
}
function build_version_select(current_series, current_version) {
var buf = ['<select>'];
$.each(all_versions, function(version, title) {
var series = version.substr(0, 3);
if (series == current_series) {
if (version == current_version)
buf.push('<option value="' + version + '" selected="selected">' + title + '</option>');
else
buf.push('<option value="' + version + '">' + title + '</option>');
if (version != current_version)
buf.push('<option value="' + current_version + '" selected="selected">' + current_version + '</option>');
} else {
buf.push('<option value="' + version + '">' + title + '</option>');
}
});
buf.push('</select>');
return buf.join('');
}
function build_doctype_select(current_doctype) {
var buf = ['<select>'];
$.each(all_doctypes, function(doctype, title) {
if (doctype == current_doctype)
buf.push('<option value="' + doctype + '" selected="selected">' +
all_doctypes[current_doctype] + '</option>');
else
buf.push('<option value="' + doctype + '">' + title + '</option>');
});
if (!(current_doctype in all_doctypes)) {
// In case we're browsing a doctype that is not yet in all_doctypes.
buf.push('<option value="' + current_doctype + '" selected="selected">' +
current_doctype + '</option>');
all_doctypes[current_doctype] = current_doctype;
}
buf.push('</select>');
return buf.join('');
}
function navigate_to_first_existing(urls) {
// Navigate to the first existing URL in urls.
var url = urls.shift();
// Web browsers won't redirect file:// urls to file urls using ajax but
// its useful for local testing
if (url.startsWith("file://")) {
window.location.href = url;
return;
}
if (urls.length == 0) {
window.location.href = url;
return;
}
$.ajax({
url: url,
success: function() {
window.location.href = url;
},
error: function() {
navigate_to_first_existing(urls);
}
});
}
function get_docroot_url() {
var url = window.location.href;
var root = DOCUMENTATION_OPTIONS.URL_ROOT;
var urlarray = url.split('/');
// Trim off anything after '/'
urlarray.pop();
var depth = (root.match(/\.\.\//g) || []).length;
for (var i = 0; i < depth; i++) {
urlarray.pop();
}
return urlarray.join('/') + '/';
}
function on_version_switch() {
var selected_version = $(this).children('option:selected').attr('value');
var url = window.location.href;
var current_version = DOCUMENTATION_OPTIONS.VERSION;
var docroot = get_docroot_url()
var new_versionpath = selected_version + '/';
if (selected_version == "dev")
new_versionpath = '';
// dev versions have no version prefix
if (current_version == "dev") {
var new_url = docroot + new_versionpath + url.replace(docroot, "");
var fallback_url = docroot + new_versionpath;
} else {
var new_url = url.replace('/' + current_version + '/', '/' + new_versionpath);
var fallback_url = new_url.replace(url.replace(docroot, ""), "");
}
console.log(get_docroot_url())
console.log(url + " to url " + new_url);
console.log(url + " to fallback " + fallback_url);
if (new_url != url) {
navigate_to_first_existing([
new_url,
fallback_url,
'https://www.yoctoproject.org/docs/',
]);
}
}
function on_doctype_switch() {
var selected_doctype = $(this).children('option:selected').attr('value');
var url = window.location.href;
if (selected_doctype == 'mega') {
var docroot = get_docroot_url()
var current_version = DOCUMENTATION_OPTIONS.VERSION;
// Assume manuals before 3.2 are using old docbook mega-manual
if (ver_compare(current_version, "3.2") < 0) {
var new_url = docroot + "mega-manual/mega-manual.html";
} else {
var new_url = docroot + "singleindex.html";
}
} else {
var new_url = url.replace("singleindex.html", "index.html")
}
if (new_url != url) {
navigate_to_first_existing([
new_url,
'https://www.yoctoproject.org/docs/',
]);
}
}
// Returns the current doctype based upon the url
function doctype_segment_from_url(url) {
if (url.includes("singleindex") || url.includes("mega-manual"))
return "mega";
return "single";
}
$(document).ready(function() {
var release = DOCUMENTATION_OPTIONS.VERSION;
var current_doctype = doctype_segment_from_url(window.location.href);
var current_series = release.substr(0, 3);
var version_select = build_version_select(current_series, release);
$('.version_switcher_placeholder').html(version_select);
$('.version_switcher_placeholder select').bind('change', on_version_switch);
var doctype_select = build_doctype_select(current_doctype);
$('.doctype_switcher_placeholder').html(doctype_select);
$('.doctype_switcher_placeholder select').bind('change', on_doctype_switch);
if (ver_compare(release, "3.1") < 0) {
$('#outdated-warning').html('Version ' + release + ' of the project is now considered obsolete, please select and use a more recent version');
$('#outdated-warning').css('padding', '.5em');
} else if (release != "dev") {
$.each(all_versions, function(version, title) {
var series = version.substr(0, 3);
if (series == current_series && version != release) {
$('#outdated-warning').html('This document is for outdated version ' + release + ', you should select the latest release version in this series, ' + version + '.');
$('#outdated-warning').css('padding', '.5em');
}
});
}
});
})();
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