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Some JS completion stuff.

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This commit is contained in:
Kris Maglione
2008-11-29 09:29:01 +00:00
parent ae5ed5b795
commit 1b0c495d77
1 changed files with 57 additions and 30 deletions
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87
content/completion.js
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@@ -51,10 +51,11 @@ function CompletionContext(editor, name, offset)
self.contexts[name] = this;
self.filters = parent.filters.slice();
self.incomplete = false;
self.message = null;
self.parent = parent;
self.offset = parent.offset + (offset || 0);
self.keys = util.cloneObject(parent.keys);
self.message = null;
self.offset = parent.offset + (offset || 0);
self.parent = parent;
self.waitingForTab = false;
delete self._filter; // FIXME?
delete self._generate;
delete self._ignoreCase;
@@ -62,7 +63,7 @@ function CompletionContext(editor, name, offset)
self[key] = parent[key]);
if (self != this)
return self;
["_caret", "contextList", "maxItems", "onUpdate", "selectionTypes", "tabPressed", "updateAsync", "value", "waitingForTab"].forEach(function (key) {
["_caret", "contextList", "maxItems", "onUpdate", "selectionTypes", "tabPressed", "updateAsync", "value"].forEach(function (key) {
self.__defineGetter__(key, function () this.top[key]);
self.__defineSetter__(key, function (val) this.top[key] = val);
});
@@ -99,6 +100,7 @@ function CompletionContext(editor, name, offset)
this.onUpdate = function () true;
this.top = this;
this.__defineGetter__("incomplete", function () this.contextList.some(function (c) c.parent && c.incomplete));
this.__defineGetter__("waitingForTab", function () this.contextList.some(function (c) c.parent && c.waitingForTab));
this.reset();
}
this.cache = {};
@@ -201,8 +203,8 @@ CompletionContext.prototype = {
this.process = format.process || this.process;
},
//get message() this._message || (this.incomplete ? "Waiting..." : null),
//set message(val) this._message = val,
get message() this._message || (this.waitingForTab ? "Waiting for <Tab>" : null),
set message(val) this._message = val,
get regenerate() this._generate && (!this.completions || !this.itemCache[this.key] || this.cache.offset != this.offset),
set regenerate(val) { if (val) delete this.itemCache[this.key] },
@@ -280,7 +282,7 @@ CompletionContext.prototype = {
item.unquoted = item.text;
item.text = quote[0] + quote[1](item.text) + quote[2];
})
if (options.get("wildoptions").has("sort"))
if (options.get("wildoptions").has("sort") && this.compare)
filtered.sort(this.compare);
return this.cache.filtered = filtered;
},
@@ -577,7 +579,10 @@ function Completion() //{{{
// return that, too.
if (orig.wrappedJSObject)
compl.push(["wrappedJSObject", obj]);
// Parse keys for sorting
// Add keys for sorting later.
// Numbers are parsed to ints.
// Constants, which should be unsorted, are found and marked null.
compl.forEach(function (item) {
let key = item[0];
if (!isNaN(key))
@@ -586,6 +591,7 @@ function Completion() //{{{
key = "";
item.key = key;
});
return compl;
}
@@ -615,9 +621,11 @@ function Completion() //{{{
let get = function get(n, m, o)
{
let a = stack[n >= 0 ? n : stack.length + n];
if (m == undefined)
if (o != null)
a = a[o];
if (m == null)
return a;
return a[o][a[o].length - m - 1];
return a[a.length - m - 1];
}
function buildStack(start)
@@ -755,9 +763,6 @@ function Completion() //{{{
/* Okay, have parse stack. Figure out what we're completing. */
if (/[\])}"';]/.test(str[lastIdx - 1]) && last != '"' && last != '"')
return;
// Find any complete statements that we can eval before we eval our object.
// This allows for things like: let doc = window.content.document; let elem = doc.createElement...; elem.<Tab>
let prev = 0;
@@ -776,7 +781,6 @@ function Completion() //{{{
if (!res || self.context.tabPressed || key in self.context.cache.eval)
return false;
self.context.waitingForTab = true;
self.context.message = "Waiting for <Tab>";
return true;
}
@@ -840,7 +844,7 @@ function Completion() //{{{
context.itemCache = context.parent.itemCache;
context.key = name;
if (last != undefined)
if (last != null)
context.quote = [last, function (text) util.escapeString(text.substr(offset), ""), last];
else // We're not looking for a quoted string, so filter out anything that's not a valid identifier
context.filters.push(function (item) /^[\w$][\w\d$]*$/.test(item.text));
@@ -852,18 +856,27 @@ function Completion() //{{{
{
let orig = compl;
if (!compl)
compl = function (context, obj) {
{
compl = function (context, obj)
{
context.process = [null, function highlight(item, v) template.highlight(v, true)];
if (!context.anchored)
context.filters.push(function (item) util.compareIgnoreCase(item.text.substr(0, key.length), key));
// Sort in a logical fasion for object keys:
// Numbers are sorted as numbers, rather than strings, and appear first.
// Constants are unsorted, and appear before other non-null strings.
// Other strings are sorted in the default manner.
let compare = context.compare;
context.compare = function ({ item: { key: a } }, { item: { key: b } })
{
if (!isNaN(a) && !isNaN(b))
return a - b;
return String.localeCompare(a, b);
return isNaN(b) - isNaN(a) || compare(a, b);
}
if (!context.anchored) // We've alreasy listed anchored matches, so don't list them again here.
context.filters.push(function (item) util.compareIgnoreCase(item.text.substr(0, key.length), key));
context.generate = function () self.objectKeys(obj);
}
}
// TODO: Make this a generic completion helper function.
let filter = key + (string || "");
for (let [,obj] in Iterator(objects))
{
@@ -884,18 +897,27 @@ function Completion() //{{{
// Otherwise, do nothing.
if (last == "'" || last == '"')
{
// TODO: Make this work with unquoted integers.
/*
* str = "foo[bar + 'baz"
* obj = "foo"
* key = "bar + ''"
*/
// The top of the stack is the sting we're completing.
// Wrap it in its delimiters and eval it to process escape sequences.
let string = str.substring(top[OFFSET] + 1);
let string = str.substring(get(-1)[OFFSET] + 1, lastIdx);
string = eval(last + string + last);
function getKey()
{
if (last == "")
return "";
// After the opening [ upto the opening ", plus '' to take care of any operators before it
let key = str.substring(get(-2, 0, STATEMENTS), get(-1, null, OFFSET)) + "''";
// Now eval the key, to process any referenced variables.
return this.eval(key);
}
/* Is this an object accessor? */
if (get(-2)[CHAR] == "[") // Are we inside of []?
{
@@ -912,12 +934,8 @@ function Completion() //{{{
// Begining of the statement upto the opening [
let obj = getObj(-3, get(-2)[OFFSET]);
// After the opening [ upto the opening ", plus '' to take care of any operators before it
let key = str.substring(get(-2)[OFFSET] + 1, top[OFFSET]) + "''";
// Now eval the key, to process any referenced variables.
key = this.eval(key);
return complete.call(this, obj, key, null, string, last);
return complete.call(this, obj, getKey(), null, string, last);
}
// Is this a function call?
@@ -934,7 +952,6 @@ function Completion() //{{{
return; // No. We're done.
let [offset, obj, func] = getObjKey(-3);
let key = str.substring(get(-2, 0, STATEMENTS), top[OFFSET]) + "''";
if (!obj.length)
return;
@@ -957,22 +974,32 @@ function Completion() //{{{
prev = idx;
args.__defineGetter__(i, function () self.eval(ret));
}
key = this.eval(key);
let key = getKey();
args.push(key + string);
compl = function (context, obj) {
compl = function (context, obj)
{
let res = completer.call(self, context, func, obj, args);
if (res)
context.completions = res;
}
obj[0][1] += "." + func + "(... [" + args.length + "]";
return complete.call(this, obj, key, compl, string, last);
}
// In a string that's not an obj key or a function arg.
// Nothing to do.
return;
}
// Wait for a keypress.
if (!this.context.tabPressed && /[{([\])}"';]/.test(str[lastIdx - 1]) && last != '"' && last != '"')
{
this.context.waitingForTab = true;
return;
}
/*
* str = "foo.bar.baz"
* obj = "foo.bar"