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doc/godoc.js: fix error on IE8.
* implement simple getElementsByClassName for IE8. * remove some lint warnings. Fixes #3318. R=golang-dev, adg CC=golang-dev https://golang.org/cl/5881054
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doc/godocs.js
102
doc/godocs.js
@ -18,13 +18,6 @@ function bindEvent(el, e, fn) {
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el.attachEvent('on'+e, fn);
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}
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}
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bindEvent(window, 'load', godocs_onload);
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function godocs_onload() {
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godocs_bindSearchEvents();
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godocs_generateTOC();
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godocs_bindExamples();
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}
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function godocs_bindSearchEvents() {
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var search = document.getElementById('search');
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@ -39,7 +32,7 @@ function godocs_bindSearchEvents() {
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}
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}
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function restoreInactive() {
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if (search.value != "") {
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if (search.value !== "") {
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return;
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}
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if (search.type != "search") {
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@ -52,6 +45,26 @@ function godocs_bindSearchEvents() {
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bindEvent(search, 'blur', restoreInactive);
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}
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/* Returns the "This sweet header" from <h2>This <i>sweet</i> header</h2>.
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* Takes a node, returns a string.
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*/
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function godocs_nodeToText(node) {
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var TEXT_NODE = 3; // Defined in Mozilla but not MSIE :(
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var text = '';
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for (var j = 0; j != node.childNodes.length; j++) {
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var child = node.childNodes[j];
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if (child.nodeType == TEXT_NODE) {
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if (child.nodeValue != '[Top]') { //ok, that's a hack, but it works.
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text = text + child.nodeValue;
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}
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} else {
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text = text + godocs_nodeToText(child);
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}
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}
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return text;
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}
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/* Generates a table of contents: looks for h2 and h3 elements and generates
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* links. "Decorates" the element with id=="nav" with this table of contents.
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*/
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@ -138,56 +151,59 @@ function godocs_generateTOC() {
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tocCell.appendChild(dl2);
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}
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/* Returns the "This sweet header" from <h2>This <i>sweet</i> header</h2>.
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* Takes a node, returns a string.
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*/
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function godocs_nodeToText(node) {
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var TEXT_NODE = 3; // Defined in Mozilla but not MSIE :(
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var text = '';
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for (var j = 0; j != node.childNodes.length; j++) {
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var child = node.childNodes[j];
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if (child.nodeType == TEXT_NODE) {
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if (child.nodeValue != '[Top]') { //ok, that's a hack, but it works.
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text = text + child.nodeValue;
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}
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} else {
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text = text + godocs_nodeToText(child);
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function getElementsByClassName(base, clazz) {
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if (base.getElementsByClassName) {
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return base.getElementsByClassName(clazz);
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}
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var elements = base.getElementsByTagName('*'), foundElements = [];
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for (var n in elements) {
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if (clazz == elements[n].className) {
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foundElements.push(elements[n]);
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}
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}
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return text;
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return foundElements;
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}
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function godocs_bindExamples() {
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var examples = document.getElementsByClassName("example");
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for (var i = 0; i < examples.length; i++) {
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godocs_bindExampleToggle(examples[i]);
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}
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var links = document.getElementsByClassName("exampleLink");
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for (var i = 0; i < links.length; i++) {
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godocs_bindExampleLink(links[i]);
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}
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}
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function godocs_bindExampleToggle(eg) {
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var heading = eg.getElementsByClassName("exampleHeading");
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var heading = getElementsByClassName(eg, "exampleHeading");
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var callback = function() {
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if (eg.className == "example") {
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eg.className = "exampleVisible";
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} else {
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eg.className = "example";
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}
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};
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for (var i = 0; i < heading.length; i++) {
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bindEvent(heading[i], "click", function() {
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if (eg.className == "example") {
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eg.className = "exampleVisible";
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} else {
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eg.className = "example";
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}
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});
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bindEvent(heading[i], "click", callback);
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}
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}
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function godocs_bindExampleLink(l) {
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var prefix = "example_";
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bindEvent(l, "click", function() {
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var i = l.href.indexOf("#"+prefix);
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if (i < 0)
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if (i < 0) {
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return;
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}
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var id = prefix + l.href.slice(i+1+prefix.length);
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var eg = document.getElementById(id);
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eg.className = "exampleVisible";
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});
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}
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function godocs_bindExamples() {
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var examples = getElementsByClassName(document, "example");
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for (var i = 0; i < examples.length; i++) {
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godocs_bindExampleToggle(examples[i]);
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}
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var links = getElementsByClassName(document, "exampleLink");
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for (i = 0; i < links.length; i++) {
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godocs_bindExampleLink(links[i]);
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}
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}
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function godocs_onload() {
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godocs_bindSearchEvents();
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godocs_generateTOC();
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godocs_bindExamples();
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}
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bindEvent(window, 'load', godocs_onload);
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