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Speed up opening of the completion list and substring completion, significantly.

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This commit is contained in:
Kris Maglione
2010-09-23 21:49:46 -04:00
parent 8de49e4764
commit 2fd301c81a
2 changed files with 36 additions and 10 deletions
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44
common/content/completion.js
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@@ -213,6 +213,11 @@ const CompletionContext = Class("CompletionContext", {
get allItems() {
try {
let self = this;
let allItems = this.contextList.map(function (context) context.hasItems && context.items);
if (this.cache.allItems && array.equals(this.cache.allItems, allItems))
return this.cache.allItemsResult;
this.cache.allItems = allItems;
let minStart = Math.min.apply(Math, [context.offset for ([k, context] in Iterator(this.contexts)) if (context.hasItems && context.items.length)]);
if (minStart == Infinity)
minStart = 0;
@@ -226,7 +231,9 @@ const CompletionContext = Class("CompletionContext", {
__proto__: item
}));
});
return { start: minStart, items: array.flatten(items), longestSubstring: this.longestAllSubstring };
this.cache.allItemsResult = { start: minStart, items: array.flatten(items) };
memoize(this.cache.allItemsResult, "longestSubstring", function () self.longestAllSubstring);
return this.cache.allItemsResult;
}
catch (e) {
dactyl.reportError(e);
@@ -242,6 +249,9 @@ const CompletionContext = Class("CompletionContext", {
return context.substrings.map(function (s) prefix + s);
});
/* TODO: Deal with sub-substrings for multiple contexts again.
* Possibly.
*/
let substrings = lists.reduce(
function (res, list) res.filter(function (str) list.some(function (s) s.substr(0, str.length) == str)),
lists.pop());
@@ -264,7 +274,7 @@ const CompletionContext = Class("CompletionContext", {
set completions(items) {
// Accept a generator
if (!isArray(items))
items = [x for (x in Iterator(items))];
items = [x for (x in Iterator(items || []))];
if (this._completions !== items) {
delete this.cache.filtered;
delete this.cache.filter;
@@ -456,8 +466,7 @@ const CompletionContext = Class("CompletionContext", {
let filter = fixCase(this.filter);
if (this.anchored) {
var compare = function compare(text, s) text.substr(0, s.length) == s;
var substrings = util.map(util.range(filter.length, text.length + 1),
function (end) text.substring(0, end));
var substrings = [text.substring(filter.length)];
}
else {
var compare = function compare(text, s) text.indexOf(s) >= 0;
@@ -466,14 +475,31 @@ const CompletionContext = Class("CompletionContext", {
let idx;
let length = filter.length;
while ((idx = text.indexOf(filter, start)) > -1 && idx < text.length) {
for (let end in util.range(idx + length, text.length + 1))
substrings.push(text.substring(idx, end));
substrings.push(text.substring(idx));
start = idx + 1;
}
}
substrings = items.reduce(
function (res, item) res.filter(function (str) compare(fixCase(item.unquoted || item.text), str)),
substrings);
substrings = items.reduce(function (res, item)
res.map(function (list) {
var m, len = list.length;
var n = list.length;
var i = 0;
while (n) {
m = Math.floor(n / 2);
let s = list[i + m];
let keep = compare(fixCase(item.text), list.substring(0, i + m));
if (!keep)
len = i + m;
if (!keep || m == 0)
n = m;
else {
i += m;
n = n - m;
}
}
return len == list.length ? list : list.substr(0, len);
}),
substrings);
let quote = this.quote;
if (quote)
substrings = substrings.map(function (str) quote[0] + quote[1](str));