From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start
---
.../generator/template/json_index/js/navigation.js | 142 +++++++++++++
.../generator/template/json_index/js/searcher.js | 228 +++++++++++++++++++++
2 files changed, 370 insertions(+)
create mode 100644 jni/ruby/lib/rdoc/generator/template/json_index/js/navigation.js
create mode 100644 jni/ruby/lib/rdoc/generator/template/json_index/js/searcher.js
(limited to 'jni/ruby/lib/rdoc/generator/template/json_index/js')
diff --git a/jni/ruby/lib/rdoc/generator/template/json_index/js/navigation.js b/jni/ruby/lib/rdoc/generator/template/json_index/js/navigation.js
new file mode 100644
index 0000000..e412681
--- /dev/null
+++ b/jni/ruby/lib/rdoc/generator/template/json_index/js/navigation.js
@@ -0,0 +1,142 @@
+/*
+ * Navigation allows movement using the arrow keys through the search results.
+ *
+ * When using this library you will need to set scrollIntoView to the
+ * appropriate function for your layout. Use scrollInWindow if the container
+ * is not scrollable and scrollInElement if the container is a separate
+ * scrolling region.
+ */
+Navigation = new function() {
+ this.initNavigation = function() {
+ var _this = this;
+
+ $(document).keydown(function(e) {
+ _this.onkeydown(e);
+ }).keyup(function(e) {
+ _this.onkeyup(e);
+ });
+
+ this.navigationActive = true;
+ }
+
+ this.setNavigationActive = function(state) {
+ this.navigationActive = state;
+ this.clearMoveTimeout();
+ }
+
+ this.onkeyup = function(e) {
+ if (!this.navigationActive) return;
+
+ switch(e.keyCode) {
+ case 37: //Event.KEY_LEFT:
+ case 38: //Event.KEY_UP:
+ case 39: //Event.KEY_RIGHT:
+ case 40: //Event.KEY_DOWN:
+ this.clearMoveTimeout();
+ break;
+ }
+ }
+
+ this.onkeydown = function(e) {
+ if (!this.navigationActive) return;
+ switch(e.keyCode) {
+ case 37: //Event.KEY_LEFT:
+ if (this.moveLeft()) e.preventDefault();
+ break;
+ case 38: //Event.KEY_UP:
+ if (e.keyCode == 38 || e.ctrlKey) {
+ if (this.moveUp()) e.preventDefault();
+ this.startMoveTimeout(false);
+ }
+ break;
+ case 39: //Event.KEY_RIGHT:
+ if (this.moveRight()) e.preventDefault();
+ break;
+ case 40: //Event.KEY_DOWN:
+ if (e.keyCode == 40 || e.ctrlKey) {
+ if (this.moveDown()) e.preventDefault();
+ this.startMoveTimeout(true);
+ }
+ break;
+ case 13: //Event.KEY_RETURN:
+ if (this.$current)
+ e.preventDefault();
+ this.select(this.$current);
+ break;
+ }
+ if (e.ctrlKey && e.shiftKey) this.select(this.$current);
+ }
+
+ this.clearMoveTimeout = function() {
+ clearTimeout(this.moveTimeout);
+ this.moveTimeout = null;
+ }
+
+ this.startMoveTimeout = function(isDown) {
+ if (!$.browser.mozilla && !$.browser.opera) return;
+ if (this.moveTimeout) this.clearMoveTimeout();
+ var _this = this;
+
+ var go = function() {
+ if (!_this.moveTimeout) return;
+ _this[isDown ? 'moveDown' : 'moveUp']();
+ _this.moveTimout = setTimeout(go, 100);
+ }
+ this.moveTimeout = setTimeout(go, 200);
+ }
+
+ this.moveRight = function() {
+ }
+
+ this.moveLeft = function() {
+ }
+
+ this.move = function(isDown) {
+ }
+
+ this.moveUp = function() {
+ return this.move(false);
+ }
+
+ this.moveDown = function() {
+ return this.move(true);
+ }
+
+ /*
+ * Scrolls to the given element in the scrollable element view.
+ */
+ this.scrollInElement = function(element, view) {
+ var offset, viewHeight, viewScroll, height;
+ offset = element.offsetTop;
+ height = element.offsetHeight;
+ viewHeight = view.offsetHeight;
+ viewScroll = view.scrollTop;
+
+ if (offset - viewScroll + height > viewHeight) {
+ view.scrollTop = offset - viewHeight + height;
+ }
+ if (offset < viewScroll) {
+ view.scrollTop = offset;
+ }
+ }
+
+ /*
+ * Scrolls to the given element in the window. The second argument is
+ * ignored
+ */
+ this.scrollInWindow = function(element, ignored) {
+ var offset, viewHeight, viewScroll, height;
+ offset = element.offsetTop;
+ height = element.offsetHeight;
+ viewHeight = window.innerHeight;
+ viewScroll = window.scrollY;
+
+ if (offset - viewScroll + height > viewHeight) {
+ window.scrollTo(window.scrollX, offset - viewHeight + height);
+ }
+ if (offset < viewScroll) {
+ window.scrollTo(window.scrollX, offset);
+ }
+ }
+}
+
diff --git a/jni/ruby/lib/rdoc/generator/template/json_index/js/searcher.js b/jni/ruby/lib/rdoc/generator/template/json_index/js/searcher.js
new file mode 100644
index 0000000..f854b54
--- /dev/null
+++ b/jni/ruby/lib/rdoc/generator/template/json_index/js/searcher.js
@@ -0,0 +1,228 @@
+Searcher = function(data) {
+ this.data = data;
+ this.handlers = [];
+}
+
+Searcher.prototype = new function() {
+ // search is performed in chunks of 1000 for non-blocking user input
+ var CHUNK_SIZE = 1000;
+ // do not try to find more than 100 results
+ var MAX_RESULTS = 100;
+ var huid = 1;
+ var suid = 1;
+ var runs = 0;
+
+ this.find = function(query) {
+ var queries = splitQuery(query);
+ var regexps = buildRegexps(queries);
+ var highlighters = buildHilighters(queries);
+ var state = { from: 0, pass: 0, limit: MAX_RESULTS, n: suid++};
+ var _this = this;
+
+ this.currentSuid = state.n;
+
+ if (!query) return;
+
+ var run = function() {
+ // stop current search thread if new search started
+ if (state.n != _this.currentSuid) return;
+
+ var results =
+ performSearch(_this.data, regexps, queries, highlighters, state);
+ var hasMore = (state.limit > 0 && state.pass < 4);
+
+ triggerResults.call(_this, results, !hasMore);
+ if (hasMore) {
+ setTimeout(run, 2);
+ }
+ runs++;
+ };
+ runs = 0;
+
+ // start search thread
+ run();
+ }
+
+ /* ----- Events ------ */
+ this.ready = function(fn) {
+ fn.huid = huid;
+ this.handlers.push(fn);
+ }
+
+ /* ----- Utilities ------ */
+ function splitQuery(query) {
+ return jQuery.grep(query.split(/(\s+|::?|\(\)?)/), function(string) {
+ return string.match(/\S/)
+ });
+ }
+
+ function buildRegexps(queries) {
+ return jQuery.map(queries, function(query) {
+ return new RegExp(query.replace(/(.)/g, '([$1])([^$1]*?)'), 'i')
+ });
+ }
+
+ function buildHilighters(queries) {
+ return jQuery.map(queries, function(query) {
+ return jQuery.map(query.split(''), function(l, i) {
+ return '\u0001$' + (i*2+1) + '\u0002$' + (i*2+2);
+ }).join('');
+ });
+ }
+
+ // function longMatchRegexp(index, longIndex, regexps) {
+ // for (var i = regexps.length - 1; i >= 0; i--){
+ // if (!index.match(regexps[i]) && !longIndex.match(regexps[i])) return false;
+ // };
+ // return true;
+ // }
+
+
+ /* ----- Mathchers ------ */
+
+ /*
+ * This record matches if the index starts with queries[0] and the record
+ * matches all of the regexps
+ */
+ function matchPassBeginning(index, longIndex, queries, regexps) {
+ if (index.indexOf(queries[0]) != 0) return false;
+ for (var i=1, l = regexps.length; i < l; i++) {
+ if (!index.match(regexps[i]) && !longIndex.match(regexps[i]))
+ return false;
+ };
+ return true;
+ }
+
+ /*
+ * This record matches if the longIndex starts with queries[0] and the
+ * longIndex matches all of the regexps
+ */
+ function matchPassLongIndex(index, longIndex, queries, regexps) {
+ if (longIndex.indexOf(queries[0]) != 0) return false;
+ for (var i=1, l = regexps.length; i < l; i++) {
+ if (!longIndex.match(regexps[i]))
+ return false;
+ };
+ return true;
+ }
+
+ /*
+ * This record matches if the index contains queries[0] and the record
+ * matches all of the regexps
+ */
+ function matchPassContains(index, longIndex, queries, regexps) {
+ if (index.indexOf(queries[0]) == -1) return false;
+ for (var i=1, l = regexps.length; i < l; i++) {
+ if (!index.match(regexps[i]) && !longIndex.match(regexps[i]))
+ return false;
+ };
+ return true;
+ }
+
+ /*
+ * This record matches if regexps[0] matches the index and the record
+ * matches all of the regexps
+ */
+ function matchPassRegexp(index, longIndex, queries, regexps) {
+ if (!index.match(regexps[0])) return false;
+ for (var i=1, l = regexps.length; i < l; i++) {
+ if (!index.match(regexps[i]) && !longIndex.match(regexps[i]))
+ return false;
+ };
+ return true;
+ }
+
+
+ /* ----- Highlighters ------ */
+ function highlightRegexp(info, queries, regexps, highlighters) {
+ var result = createResult(info);
+ for (var i=0, l = regexps.length; i < l; i++) {
+ result.title = result.title.replace(regexps[i], highlighters[i]);
+ result.namespace = result.namespace.replace(regexps[i], highlighters[i]);
+ };
+ return result;
+ }
+
+ function hltSubstring(string, pos, length) {
+ return string.substring(0, pos) + '\u0001' + string.substring(pos, pos + length) + '\u0002' + string.substring(pos + length);
+ }
+
+ function highlightQuery(info, queries, regexps, highlighters) {
+ var result = createResult(info);
+ var pos = 0;
+ var lcTitle = result.title.toLowerCase();
+
+ pos = lcTitle.indexOf(queries[0]);
+ if (pos != -1) {
+ result.title = hltSubstring(result.title, pos, queries[0].length);
+ }
+
+ result.namespace = result.namespace.replace(regexps[0], highlighters[0]);
+ for (var i=1, l = regexps.length; i < l; i++) {
+ result.title = result.title.replace(regexps[i], highlighters[i]);
+ result.namespace = result.namespace.replace(regexps[i], highlighters[i]);
+ };
+ return result;
+ }
+
+ function createResult(info) {
+ var result = {};
+ result.title = info[0];
+ result.namespace = info[1];
+ result.path = info[2];
+ result.params = info[3];
+ result.snippet = info[4];
+ return result;
+ }
+
+ /* ----- Searching ------ */
+ function performSearch(data, regexps, queries, highlighters, state) {
+ var searchIndex = data.searchIndex;
+ var longSearchIndex = data.longSearchIndex;
+ var info = data.info;
+ var result = [];
+ var i = state.from;
+ var l = searchIndex.length;
+ var togo = CHUNK_SIZE;
+ var matchFunc, hltFunc;
+
+ while (state.pass < 4 && state.limit > 0 && togo > 0) {
+ if (state.pass == 0) {
+ matchFunc = matchPassBeginning;
+ hltFunc = highlightQuery;
+ } else if (state.pass == 1) {
+ matchFunc = matchPassLongIndex;
+ hltFunc = highlightQuery;
+ } else if (state.pass == 2) {
+ matchFunc = matchPassContains;
+ hltFunc = highlightQuery;
+ } else if (state.pass == 3) {
+ matchFunc = matchPassRegexp;
+ hltFunc = highlightRegexp;
+ }
+
+ for (; togo > 0 && i < l && state.limit > 0; i++, togo--) {
+ if (info[i].n == state.n) continue;
+ if (matchFunc(searchIndex[i], longSearchIndex[i], queries, regexps)) {
+ info[i].n = state.n;
+ result.push(hltFunc(info[i], queries, regexps, highlighters));
+ state.limit--;
+ }
+ };
+ if (searchIndex.length <= i) {
+ state.pass++;
+ i = state.from = 0;
+ } else {
+ state.from = i;
+ }
+ }
+ return result;
+ }
+
+ function triggerResults(results, isLast) {
+ jQuery.each(this.handlers, function(i, fn) {
+ fn.call(this, results, isLast)
+ })
+ }
+}
+
--
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