diff --git a/src/librustdoc/html/static/main.js b/src/librustdoc/html/static/main.js
index da4430d8a15..bccad6c89dc 100644
--- a/src/librustdoc/html/static/main.js
+++ b/src/librustdoc/html/static/main.js
@@ -342,6 +342,17 @@
}
}
+ function findArg(obj, val) {
+ if (obj && obj.type && obj.type.inputs.length > 0) {
+ for (var i = 0; i < obj.type.inputs.length; i++) {
+ if (obj.type.inputs[i].name === val) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+
function typePassesFilter(filter, type) {
// No filter
if (filter < 0) return true;
@@ -376,18 +387,28 @@
if (typePassesFilter(typeFilter, searchIndex[i].ty)) {
results.push({id: i, index: -1});
}
+ } else if (findArg(searchIndex[i], val.toLowerCase()) ||
+ (searchIndex[i].type &&
+ searchIndex[i].type.output &&
+ searchIndex[i].type.output.name === val.toLowerCase())) {
+ if (typePassesFilter(typeFilter, searchIndex[i].ty)) {
+ results.push({id: i, index: -1, dontValidate: true});
+ }
}
if (results.length === max) {
break;
}
}
+ query.inputs = [val];
+ query.output = val;
+ query.search = val;
// searching by type
} else if (val.search("->") > -1) {
var trimmer = function (s) { return s.trim(); };
var parts = val.split("->").map(trimmer);
var input = parts[0];
// sort inputs so that order does not matter
- var inputs = input.split(",").map(trimmer).sort().toString();
+ var inputs = input.split(",").map(trimmer).sort();
var output = parts[1];
for (var i = 0; i < nSearchWords; ++i) {
@@ -403,12 +424,30 @@
// allow searching for void (no output) functions as well
var typeOutput = type.output ? type.output.name : "";
- if ((inputs === "*" || inputs === typeInputs.toString()) &&
- (output === "*" || output == typeOutput)) {
- results.push({id: i, index: -1, dontValidate: true});
+ if (output === "*" || output == typeOutput) {
+ if (input === "*") {
+ results.push({id: i, index: -1, dontValidate: true});
+ } else {
+ var allFound = true;
+ for (var it = 0; allFound === true && it < inputs.length; it++) {
+ var found = false;
+ for (var y = 0; found === false && y < typeInputs.length; y++) {
+ found = typeInputs[y] === inputs[it];
+ }
+ allFound = found;
+ }
+ if (allFound === true) {
+ results.push({id: i, index: -1, dontValidate: true});
+ }
+ }
}
}
+ query.inputs = inputs;
+ query.output = output;
} else {
+ query.inputs = [val];
+ query.output = val;
+ query.search = val;
// gather matching search results up to a certain maximum
val = val.replace(/\_/g, "");
for (var i = 0; i < split.length; ++i) {
@@ -437,6 +476,15 @@
lev: lev_distance,
});
}
+ } else if (findArg(searchIndex[j], val)) {
+ if (typePassesFilter(typeFilter, searchIndex[j].ty)) {
+ results.push({
+ id: j,
+ index: 0,
+ // we want lev results to go lower than others
+ lev: lev_distance,
+ });
+ }
}
if (results.length === max) {
break;
@@ -576,8 +624,7 @@
(parent !== undefined &&
parent.name.toLowerCase().indexOf(keys[i]) > -1) ||
// lastly check to see if the name was a levenshtein match
- levenshtein(name.toLowerCase(), keys[i]) <=
- MAX_LEV_DISTANCE)) {
+ levenshtein(name.toLowerCase(), keys[i]) <= MAX_LEV_DISTANCE)) {
return false;
}
}
@@ -692,18 +739,18 @@
return h1.innerHTML;
}
- function showResults(results) {
- var output, shown, query = getQuery();
+ function addTab(array, query, display) {
+ var extraStyle = '';
+ if (display === false) {
+ extraStyle = ' style="display: none;"';
+ }
- currentResults = query.id;
- output = '<h1>Results for ' + escape(query.query) +
- (query.type ? ' (type: ' + escape(query.type) + ')' : '') + '</h1>';
- output += '<table class="search-results">';
+ var output = '';
+ if (array.length > 0) {
+ output = `<table class="search-results"${extraStyle}>`;
+ var shown = [];
- if (results.length > 0) {
- shown = [];
-
- results.forEach(function(item) {
+ array.forEach(function(item) {
var name, type, href, displayPath;
if (shown.indexOf(item) !== -1) {
@@ -752,13 +799,32 @@
'<span class="desc">' + escape(item.desc) +
' </span></a></td></tr>';
});
+ output += '</table>';
} else {
- output += 'No results :( <a href="https://duckduckgo.com/?q=' +
+ output = `<div class="search-failed"${extraStyle}>No results :(<br/>` +
+ 'Try on <a href="https://duckduckgo.com/?q=' +
encodeURIComponent('rust ' + query.query) +
- '">Try on DuckDuckGo?</a>';
+ '">DuckDuckGo</a>?</div>';
}
+ return output;
+ }
+
+ function showResults(results) {
+ var output, query = getQuery();
+
+ currentResults = query.id;
+ output = '<h1>Results for ' + escape(query.query) +
+ (query.type ? ' (type: ' + escape(query.type) + ')' : '') + '</h1>' +
+ '<div id="titles">' +
+ '<div class="selected">Types/modules</div>' +
+ '<div>As parameters</div>' +
+ '<div>As return value</div></div><div id="results">';
+
+ output += addTab(results['others'], query);
+ output += addTab(results['in_args'], query, false);
+ output += addTab(results['returned'], query, false);
+ output += '</div>';
- output += "</p>";
addClass(document.getElementById('main'), 'hidden');
var search = document.getElementById('search');
removeClass(search, 'hidden');
@@ -773,13 +839,17 @@
e.style.width = width + 'px';
});
initSearchNav();
+ var elems = document.getElementById('titles').childNodes;
+ elems[0].onclick = function() { printTab(0); };
+ elems[1].onclick = function() { printTab(1); };
+ elems[2].onclick = function() { printTab(2); };
}
function search(e) {
var query,
filterdata = [],
obj, i, len,
- results = [],
+ results = {"in_args": [], "returned": [], "others": []},
maxResults = 200,
resultIndex;
var params = getQueryStringParams();
@@ -810,11 +880,43 @@
len = resultIndex.length;
for (i = 0; i < len; ++i) {
if (resultIndex[i].id > -1) {
+ var added = false;
obj = searchIndex[resultIndex[i].id];
filterdata.push([obj.name, obj.ty, obj.path, obj.desc]);
- results.push(obj);
+ if (obj.type) {
+ if (results['returned'].length < maxResults &&
+ obj.type.output &&
+ obj.type.output.name.toLowerCase() === query.output) {
+ results['returned'].push(obj);
+ added = true;
+ }
+ if (results['in_args'].length < maxResults && obj.type.inputs.length > 0) {
+ var all_founds = true;
+ for (var it = 0;
+ all_founds === true && it < query.inputs.length;
+ it++) {
+ var found = false;
+ for (var y = 0;
+ found === false && y < obj.type.inputs.length;
+ y++) {
+ found = query.inputs[it] === obj.type.inputs[y].name;
+ }
+ all_founds = found;
+ }
+ if (all_founds === true) {
+ results['in_args'].push(obj);
+ added = true;
+ }
+ }
+ }
+ if (results['others'].length < maxResults &&
+ ((query.search && obj.name.indexOf(query.search)) || added === false)) {
+ results['others'].push(obj);
+ }
}
- if (results.length >= maxResults) {
+ if (results['others'].length >= maxResults &&
+ results['in_args'].length >= maxResults &&
+ results['returned'].length >= maxResults) {
break;
}
}
@@ -1290,6 +1392,27 @@
return wrapper;
}
+ // In the search display, allows to switch between tabs.
+ function printTab(nb) {
+ var nb_copy = nb;
+ onEach(document.getElementById('titles').childNodes, function(elem) {
+ if (nb_copy === 0) {
+ addClass(elem, 'selected');
+ } else {
+ removeClass(elem, 'selected');
+ }
+ nb_copy -= 1;
+ });
+ onEach(document.getElementById('results').childNodes, function(elem) {
+ if (nb === 0) {
+ elem.style.display = '';
+ } else {
+ elem.style.display = 'none';
+ }
+ nb -= 1;
+ });
+ }
+
onEach(document.getElementById('main').getElementsByTagName('pre'), function(e) {
onEach(e.getElementsByClassName('attributes'), function(i_e) {
i_e.parentNode.insertBefore(createToggleWrapper(), i_e);
diff --git a/src/librustdoc/html/static/rustdoc.css b/src/librustdoc/html/static/rustdoc.css
index 1b7232bf1bc..67e19925988 100644
--- a/src/librustdoc/html/static/rustdoc.css
+++ b/src/librustdoc/html/static/rustdoc.css
@@ -866,3 +866,29 @@ span.since {
pre.rust {
position: relative;
}
+
+.search-failed {
+ text-align: center;
+ margin-top: 20px;
+}
+
+#titles {
+ height: 35px;
+}
+
+#titles > div {
+ float: left;
+ width: 33.3%;
+ text-align: center;
+ border-bottom: 1px solid #ccc;
+ font-size: 18px;
+ cursor: pointer;
+}
+
+#titles > div.selected {
+ border-bottom: 3px solid #0078ee;
+}
+
+#titles > div:hover {
+ border-bottom: 3px solid #0089ff;
+}
diff --git a/src/librustdoc/html/static/styles/main.css b/src/librustdoc/html/static/styles/main.css
index 42d0ec704f4..4a4ca15170a 100644
--- a/src/librustdoc/html/static/styles/main.css
+++ b/src/librustdoc/html/static/styles/main.css
@@ -235,3 +235,7 @@ pre.ignore:hover, .information:hover + pre.ignore {
.information > .ignore:hover {
color: rgba(255,142,0,1);
}
+
+.search-failed > a {
+ color: #0089ff;
+}