1(function() { 2 'use strict'; 3 4 var all_versions = { 5 'dev': 'dev (3.2)', 6 '3.1.2': '3.1.2', 7 '3.0.3': '3.0.3', 8 '2.7.4': '2.7.4', 9 }; 10 11 var all_doctypes = { 12 'single': 'Individual Webpages', 13 'mega': "All-in-one 'Mega' Manual", 14 }; 15 16 // Simple version comparision 17 // Return 1 if a > b 18 // Return -1 if a < b 19 // Return 0 if a == b 20 function ver_compare(a, b) { 21 if (a == "dev") { 22 return 1; 23 } 24 25 if (a === b) { 26 return 0; 27 } 28 29 var a_components = a.split("."); 30 var b_components = b.split("."); 31 32 var len = Math.min(a_components.length, b_components.length); 33 34 // loop while the components are equal 35 for (var i = 0; i < len; i++) { 36 // A bigger than B 37 if (parseInt(a_components[i]) > parseInt(b_components[i])) { 38 return 1; 39 } 40 41 // B bigger than A 42 if (parseInt(a_components[i]) < parseInt(b_components[i])) { 43 return -1; 44 } 45 } 46 47 // If one's a prefix of the other, the longer one is greater. 48 if (a_components.length > b_components.length) { 49 return 1; 50 } 51 52 if (a_components.length < b_components.length) { 53 return -1; 54 } 55 56 // Otherwise they are the same. 57 return 0; 58 } 59 60 function build_version_select(current_series, current_version) { 61 var buf = ['<select>']; 62 63 $.each(all_versions, function(version, title) { 64 var series = version.substr(0, 3); 65 if (series == current_series) { 66 if (version == current_version) 67 buf.push('<option value="' + version + '" selected="selected">' + title + '</option>'); 68 else 69 buf.push('<option value="' + version + '">' + title + '</option>'); 70 71 if (version != current_version) 72 buf.push('<option value="' + current_version + '" selected="selected">' + current_version + '</option>'); 73 } else { 74 buf.push('<option value="' + version + '">' + title + '</option>'); 75 } 76 }); 77 78 buf.push('</select>'); 79 return buf.join(''); 80 } 81 82 function build_doctype_select(current_doctype) { 83 var buf = ['<select>']; 84 85 $.each(all_doctypes, function(doctype, title) { 86 if (doctype == current_doctype) 87 buf.push('<option value="' + doctype + '" selected="selected">' + 88 all_doctypes[current_doctype] + '</option>'); 89 else 90 buf.push('<option value="' + doctype + '">' + title + '</option>'); 91 }); 92 if (!(current_doctype in all_doctypes)) { 93 // In case we're browsing a doctype that is not yet in all_doctypes. 94 buf.push('<option value="' + current_doctype + '" selected="selected">' + 95 current_doctype + '</option>'); 96 all_doctypes[current_doctype] = current_doctype; 97 } 98 buf.push('</select>'); 99 return buf.join(''); 100 } 101 102 function navigate_to_first_existing(urls) { 103 // Navigate to the first existing URL in urls. 104 var url = urls.shift(); 105 106 // Web browsers won't redirect file:// urls to file urls using ajax but 107 // its useful for local testing 108 if (url.startsWith("file://")) { 109 window.location.href = url; 110 return; 111 } 112 113 if (urls.length == 0) { 114 window.location.href = url; 115 return; 116 } 117 $.ajax({ 118 url: url, 119 success: function() { 120 window.location.href = url; 121 }, 122 error: function() { 123 navigate_to_first_existing(urls); 124 } 125 }); 126 } 127 128 function get_docroot_url() { 129 var url = window.location.href; 130 var root = DOCUMENTATION_OPTIONS.URL_ROOT; 131 132 var urlarray = url.split('/'); 133 // Trim off anything after '/' 134 urlarray.pop(); 135 var depth = (root.match(/\.\.\//g) || []).length; 136 for (var i = 0; i < depth; i++) { 137 urlarray.pop(); 138 } 139 140 return urlarray.join('/') + '/'; 141 } 142 143 function on_version_switch() { 144 var selected_version = $(this).children('option:selected').attr('value'); 145 var url = window.location.href; 146 var current_version = DOCUMENTATION_OPTIONS.VERSION; 147 var docroot = get_docroot_url() 148 149 var new_versionpath = selected_version + '/'; 150 if (selected_version == "dev") 151 new_versionpath = ''; 152 153 // dev versions have no version prefix 154 if (current_version == "dev") { 155 var new_url = docroot + new_versionpath + url.replace(docroot, ""); 156 var fallback_url = docroot + new_versionpath; 157 } else { 158 var new_url = url.replace('/' + current_version + '/', '/' + new_versionpath); 159 var fallback_url = new_url.replace(url.replace(docroot, ""), ""); 160 } 161 162 console.log(get_docroot_url()) 163 console.log(url + " to url " + new_url); 164 console.log(url + " to fallback " + fallback_url); 165 166 if (new_url != url) { 167 navigate_to_first_existing([ 168 new_url, 169 fallback_url, 170 'https://www.yoctoproject.org/docs/', 171 ]); 172 } 173 } 174 175 function on_doctype_switch() { 176 var selected_doctype = $(this).children('option:selected').attr('value'); 177 var url = window.location.href; 178 if (selected_doctype == 'mega') { 179 var docroot = get_docroot_url() 180 var current_version = DOCUMENTATION_OPTIONS.VERSION; 181 // Assume manuals before 3.2 are using old docbook mega-manual 182 if (ver_compare(current_version, "3.2") < 0) { 183 var new_url = docroot + "mega-manual/mega-manual.html"; 184 } else { 185 var new_url = docroot + "singleindex.html"; 186 } 187 } else { 188 var new_url = url.replace("singleindex.html", "index.html") 189 } 190 191 if (new_url != url) { 192 navigate_to_first_existing([ 193 new_url, 194 'https://www.yoctoproject.org/docs/', 195 ]); 196 } 197 } 198 199 // Returns the current doctype based upon the url 200 function doctype_segment_from_url(url) { 201 if (url.includes("singleindex") || url.includes("mega-manual")) 202 return "mega"; 203 return "single"; 204 } 205 206 $(document).ready(function() { 207 var release = DOCUMENTATION_OPTIONS.VERSION; 208 var current_doctype = doctype_segment_from_url(window.location.href); 209 var current_series = release.substr(0, 3); 210 var version_select = build_version_select(current_series, release); 211 212 $('.version_switcher_placeholder').html(version_select); 213 $('.version_switcher_placeholder select').bind('change', on_version_switch); 214 215 var doctype_select = build_doctype_select(current_doctype); 216 217 $('.doctype_switcher_placeholder').html(doctype_select); 218 $('.doctype_switcher_placeholder select').bind('change', on_doctype_switch); 219 220 if (ver_compare(release, "3.1") < 0) { 221 $('#outdated-warning').html('Version ' + release + ' of the project is now considered obsolete, please select and use a more recent version'); 222 $('#outdated-warning').css('padding', '.5em'); 223 } else if (release != "dev") { 224 $.each(all_versions, function(version, title) { 225 var series = version.substr(0, 3); 226 if (series == current_series && version != release) { 227 $('#outdated-warning').html('This document is for outdated version ' + release + ', you should select the latest release version in this series, ' + version + '.'); 228 $('#outdated-warning').css('padding', '.5em'); 229 } 230 }); 231 } 232 }); 233})(); 234