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体验新版 GitCode,发现更多精彩内容 >>
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79ecb2a2
编写于
3月 04, 2020
作者:
J
Johannes Rieken
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
prep for
https://github.com/microsoft/vscode/issues/91427
上级
3c242308
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
66 addition
and
68 deletion
+66
-68
src/vs/workbench/contrib/snippets/browser/snippetCompletionProvider.ts
...nch/contrib/snippets/browser/snippetCompletionProvider.ts
+66
-68
未找到文件。
src/vs/workbench/contrib/snippets/browser/snippetCompletionProvider.ts
浏览文件 @
79ecb2a2
...
...
@@ -66,92 +66,90 @@ export class SnippetCompletionProvider implements CompletionItemProvider {
//
}
provideCompletionItems
(
model
:
ITextModel
,
position
:
Position
,
context
:
CompletionContext
):
Promise
<
CompletionList
>
|
undefined
{
async
provideCompletionItems
(
model
:
ITextModel
,
position
:
Position
,
context
:
CompletionContext
):
Promise
<
CompletionList
>
{
if
(
position
.
column
>=
SnippetCompletionProvider
.
_maxPrefix
)
{
return
undefined
;
return
{
suggestions
:
[]
}
;
}
if
(
context
.
triggerKind
===
CompletionTriggerKind
.
TriggerCharacter
&&
context
.
triggerCharacter
===
'
'
)
{
// no snippets when suggestions have been triggered by space
return
undefined
;
return
{
suggestions
:
[]
}
;
}
const
languageId
=
this
.
_getLanguageIdAtPosition
(
model
,
position
);
return
this
.
_snippets
.
getSnippets
(
languageId
).
then
(
snippets
=>
{
let
suggestions
:
SnippetCompletion
[];
let
pos
=
{
lineNumber
:
position
.
lineNumber
,
column
:
1
};
let
lineOffsets
:
number
[]
=
[];
const
lineContent
=
model
.
getLineContent
(
position
.
lineNumber
);
const
linePrefixLow
=
lineContent
.
substr
(
0
,
position
.
column
-
1
).
toLowerCase
();
let
endsInWhitespace
=
linePrefixLow
.
match
(
/
\s
$/
);
while
(
pos
.
column
<
position
.
column
)
{
let
word
=
model
.
getWordAtPosition
(
pos
);
if
(
word
)
{
// at a word
lineOffsets
.
push
(
word
.
startColumn
-
1
);
pos
.
column
=
word
.
endColumn
+
1
;
if
(
word
.
endColumn
-
1
<
linePrefixLow
.
length
&&
!
/
\s
/
.
test
(
linePrefixLow
[
word
.
endColumn
-
1
]))
{
lineOffsets
.
push
(
word
.
endColumn
-
1
);
}
}
else
if
(
!
/
\s
/
.
test
(
linePrefixLow
[
pos
.
column
-
1
]))
{
// at a none-whitespace character
lineOffsets
.
push
(
pos
.
column
-
1
);
pos
.
column
+=
1
;
}
else
{
// always advance!
pos
.
column
+=
1
;
const
snippets
=
await
this
.
_snippets
.
getSnippets
(
languageId
);
let
pos
=
{
lineNumber
:
position
.
lineNumber
,
column
:
1
};
let
lineOffsets
:
number
[]
=
[];
const
lineContent
=
model
.
getLineContent
(
position
.
lineNumber
);
const
linePrefixLow
=
lineContent
.
substr
(
0
,
position
.
column
-
1
).
toLowerCase
();
const
endsInWhitespace
=
linePrefixLow
.
match
(
/
\s
$/
);
while
(
pos
.
column
<
position
.
column
)
{
let
word
=
model
.
getWordAtPosition
(
pos
);
if
(
word
)
{
// at a word
lineOffsets
.
push
(
word
.
startColumn
-
1
);
pos
.
column
=
word
.
endColumn
+
1
;
if
(
word
.
endColumn
<
position
.
column
&&
!
/
\s
/
.
test
(
linePrefixLow
[
word
.
endColumn
-
1
]))
{
lineOffsets
.
push
(
word
.
endColumn
-
1
);
}
}
const
lineSuffixLow
=
lineContent
.
substr
(
position
.
column
-
1
).
toLowerCase
();
let
availableSnippets
=
new
Set
<
Snippet
>
();
snippets
.
forEach
(
availableSnippets
.
add
,
availableSnippets
);
suggestions
=
[];
for
(
let
start
of
lineOffsets
)
{
availableSnippets
.
forEach
(
snippet
=>
{
if
(
isPatternInWord
(
linePrefixLow
,
start
,
linePrefixLow
.
length
,
snippet
.
prefixLow
,
0
,
snippet
.
prefixLow
.
length
))
{
const
snippetPrefixSubstr
=
snippet
.
prefixLow
.
substr
(
linePrefixLow
.
length
-
start
);
const
endColumn
=
startsWith
(
lineSuffixLow
,
snippetPrefixSubstr
)
?
position
.
column
+
snippetPrefixSubstr
.
length
:
position
.
column
;
const
replace
=
Range
.
fromPositions
(
position
.
delta
(
0
,
-
(
linePrefixLow
.
length
-
start
)),
{
lineNumber
:
position
.
lineNumber
,
column
:
endColumn
});
const
insert
=
replace
.
setEndPosition
(
position
.
lineNumber
,
position
.
column
);
suggestions
.
push
(
new
SnippetCompletion
(
snippet
,
{
replace
,
insert
}));
availableSnippets
.
delete
(
snippet
);
}
});
else
if
(
!
/
\s
/
.
test
(
linePrefixLow
[
pos
.
column
-
1
]))
{
// at a none-whitespace character
lineOffsets
.
push
(
pos
.
column
-
1
);
pos
.
column
+=
1
;
}
if
(
endsInWhitespace
||
lineOffsets
.
length
===
0
)
{
// add remaing snippets when the current prefix ends in whitespace or when no
// interesting positions have been found
availableSnippets
.
forEach
(
snippet
=>
{
let
insert
=
Range
.
fromPositions
(
position
);
let
replace
=
startsWith
(
lineSuffixLow
,
snippet
.
prefixLow
)
?
insert
.
setEndPosition
(
position
.
lineNumber
,
position
.
column
+
snippet
.
prefixLow
.
length
)
:
insert
;
suggestions
.
push
(
new
SnippetCompletion
(
snippet
,
{
replace
,
insert
}));
});
else
{
// always advance!
pos
.
column
+=
1
;
}
}
const
lineSuffixLow
=
lineContent
.
substr
(
position
.
column
-
1
).
toLowerCase
();
const
availableSnippets
=
new
Set
<
Snippet
>
(
snippets
);
const
suggestions
:
SnippetCompletion
[]
=
[];
// dismbiguate suggestions with same labels
suggestions
.
sort
(
SnippetCompletion
.
compareByLabel
);
for
(
let
i
=
0
;
i
<
suggestions
.
length
;
i
++
)
{
let
item
=
suggestions
[
i
];
let
to
=
i
+
1
;
for
(;
to
<
suggestions
.
length
&&
item
.
label
===
suggestions
[
to
].
label
;
to
++
)
{
suggestions
[
to
].
label
.
name
=
localize
(
'
snippetSuggest.longLabel
'
,
"
{0}, {1}
"
,
suggestions
[
to
].
label
.
name
,
suggestions
[
to
].
snippet
.
name
);
}
if
(
to
>
i
+
1
)
{
suggestions
[
i
].
label
.
name
=
localize
(
'
snippetSuggest.longLabel
'
,
"
{0}, {1}
"
,
suggestions
[
i
].
label
.
name
,
suggestions
[
i
].
snippet
.
name
);
i
=
to
;
for
(
let
start
of
lineOffsets
)
{
availableSnippets
.
forEach
(
snippet
=>
{
if
(
isPatternInWord
(
linePrefixLow
,
start
,
linePrefixLow
.
length
,
snippet
.
prefixLow
,
0
,
snippet
.
prefixLow
.
length
))
{
const
snippetPrefixSubstr
=
snippet
.
prefixLow
.
substr
(
linePrefixLow
.
length
-
start
);
const
endColumn
=
startsWith
(
lineSuffixLow
,
snippetPrefixSubstr
)
?
position
.
column
+
snippetPrefixSubstr
.
length
:
position
.
column
;
const
replace
=
Range
.
fromPositions
(
position
.
delta
(
0
,
-
(
linePrefixLow
.
length
-
start
)),
{
lineNumber
:
position
.
lineNumber
,
column
:
endColumn
});
const
insert
=
replace
.
setEndPosition
(
position
.
lineNumber
,
position
.
column
);
suggestions
.
push
(
new
SnippetCompletion
(
snippet
,
{
replace
,
insert
}));
availableSnippets
.
delete
(
snippet
);
}
});
}
if
(
endsInWhitespace
||
lineOffsets
.
length
===
0
)
{
// add remaing snippets when the current prefix ends in whitespace or when no
// interesting positions have been found
availableSnippets
.
forEach
(
snippet
=>
{
let
insert
=
Range
.
fromPositions
(
position
);
let
replace
=
startsWith
(
lineSuffixLow
,
snippet
.
prefixLow
)
?
insert
.
setEndPosition
(
position
.
lineNumber
,
position
.
column
+
snippet
.
prefixLow
.
length
)
:
insert
;
suggestions
.
push
(
new
SnippetCompletion
(
snippet
,
{
replace
,
insert
}));
});
}
// dismbiguate suggestions with same labels
suggestions
.
sort
(
SnippetCompletion
.
compareByLabel
);
for
(
let
i
=
0
;
i
<
suggestions
.
length
;
i
++
)
{
let
item
=
suggestions
[
i
];
let
to
=
i
+
1
;
for
(;
to
<
suggestions
.
length
&&
item
.
label
===
suggestions
[
to
].
label
;
to
++
)
{
suggestions
[
to
].
label
.
name
=
localize
(
'
snippetSuggest.longLabel
'
,
"
{0}, {1}
"
,
suggestions
[
to
].
label
.
name
,
suggestions
[
to
].
snippet
.
name
);
}
if
(
to
>
i
+
1
)
{
suggestions
[
i
].
label
.
name
=
localize
(
'
snippetSuggest.longLabel
'
,
"
{0}, {1}
"
,
suggestions
[
i
].
label
.
name
,
suggestions
[
i
].
snippet
.
name
);
i
=
to
;
}
}
return
{
suggestions
};
});
return
{
suggestions
};
}
resolveCompletionItem
(
_model
:
ITextModel
,
_position
:
Position
,
item
:
CompletionItem
):
CompletionItem
{
...
...
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