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- (function() {
- 'use strict';
- var all_versions = {
- 'dev': 'dev (3.2)',
- '3.1.2': '3.1.2',
- '3.0.3': '3.0.3',
- '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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