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044c2053
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
fix #91427
上级
80299fec
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
11 addition
and
19 deletion
+11
-19
src/vs/workbench/contrib/snippets/browser/snippetCompletionProvider.ts
...nch/contrib/snippets/browser/snippetCompletionProvider.ts
+11
-19
未找到文件。
src/vs/workbench/contrib/snippets/browser/snippetCompletionProvider.ts
浏览文件 @
044c2053
...
...
@@ -4,7 +4,7 @@
*--------------------------------------------------------------------------------------------*/
import
{
MarkdownString
}
from
'
vs/base/common/htmlContent
'
;
import
{
compare
,
startsWith
}
from
'
vs/base/common/strings
'
;
import
{
compare
}
from
'
vs/base/common/strings
'
;
import
{
Position
}
from
'
vs/editor/common/core/position
'
;
import
{
IRange
,
Range
}
from
'
vs/editor/common/core/range
'
;
import
{
ITextModel
}
from
'
vs/editor/common/model
'
;
...
...
@@ -55,8 +55,6 @@ export class SnippetCompletion implements CompletionItem {
export
class
SnippetCompletionProvider
implements
CompletionItemProvider
{
private
static
readonly
_maxPrefix
=
10000
;
readonly
_debugDisplayName
=
'
snippetCompletions
'
;
constructor
(
...
...
@@ -68,10 +66,6 @@ export class SnippetCompletionProvider implements CompletionItemProvider {
async
provideCompletionItems
(
model
:
ITextModel
,
position
:
Position
,
context
:
CompletionContext
):
Promise
<
CompletionList
>
{
if
(
position
.
column
>=
SnippetCompletionProvider
.
_maxPrefix
)
{
return
{
suggestions
:
[]
};
}
if
(
context
.
triggerKind
===
CompletionTriggerKind
.
TriggerCharacter
&&
context
.
triggerCharacter
===
'
'
)
{
// no snippets when suggestions have been triggered by space
return
{
suggestions
:
[]
};
...
...
@@ -82,9 +76,8 @@ export class SnippetCompletionProvider implements CompletionItemProvider {
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
$/
);
const
lineContent
=
model
.
getLineContent
(
position
.
lineNumber
).
toLowerCase
();
const
endsInWhitespace
=
/
\s
/
.
test
(
lineContent
[
position
.
column
-
2
]);
while
(
pos
.
column
<
position
.
column
)
{
let
word
=
model
.
getWordAtPosition
(
pos
);
...
...
@@ -92,11 +85,11 @@ export class SnippetCompletionProvider implements CompletionItemProvider {
// at a word
lineOffsets
.
push
(
word
.
startColumn
-
1
);
pos
.
column
=
word
.
endColumn
+
1
;
if
(
word
.
endColumn
<
position
.
column
&&
!
/
\s
/
.
test
(
line
PrefixLow
[
word
.
endColumn
-
1
]))
{
if
(
word
.
endColumn
<
position
.
column
&&
!
/
\s
/
.
test
(
line
Content
[
word
.
endColumn
-
1
]))
{
lineOffsets
.
push
(
word
.
endColumn
-
1
);
}
}
else
if
(
!
/
\s
/
.
test
(
line
PrefixLow
[
pos
.
column
-
1
]))
{
else
if
(
!
/
\s
/
.
test
(
line
Content
[
pos
.
column
-
1
]))
{
// at a none-whitespace character
lineOffsets
.
push
(
pos
.
column
-
1
);
pos
.
column
+=
1
;
...
...
@@ -107,16 +100,15 @@ export class SnippetCompletionProvider implements CompletionItemProvider {
}
}
const
lineSuffixLow
=
lineContent
.
substr
(
position
.
column
-
1
).
toLowerCase
();
const
availableSnippets
=
new
Set
<
Snippet
>
(
snippets
);
const
suggestions
:
SnippetCompletion
[]
=
[];
for
(
let
start
of
lineOffsets
)
{
availableSnippets
.
forEach
(
snippet
=>
{
if
(
isPatternInWord
(
line
PrefixLow
,
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
});
if
(
isPatternInWord
(
line
Content
,
start
,
position
.
column
-
1
,
snippet
.
prefixLow
,
0
,
snippet
.
prefixLow
.
length
))
{
const
snippetPrefixSubstr
=
snippet
.
prefixLow
.
substr
(
position
.
column
-
(
1
+
start
)
);
const
endColumn
=
lineContent
.
indexOf
(
snippetPrefixSubstr
,
position
.
column
-
1
)
>=
0
?
position
.
column
+
snippetPrefixSubstr
.
length
:
position
.
column
;
const
replace
=
Range
.
fromPositions
(
position
.
delta
(
0
,
-
(
position
.
column
-
(
1
+
start
)
)),
{
lineNumber
:
position
.
lineNumber
,
column
:
endColumn
});
const
insert
=
replace
.
setEndPosition
(
position
.
lineNumber
,
position
.
column
);
suggestions
.
push
(
new
SnippetCompletion
(
snippet
,
{
replace
,
insert
}));
...
...
@@ -128,8 +120,8 @@ export class SnippetCompletionProvider implements CompletionItemProvider {
// add remaing snippets when the current prefix ends in whitespace or when no
// interesting positions have been found
availableSnippets
.
forEach
(
snippet
=>
{
le
t
insert
=
Range
.
fromPositions
(
position
);
let
replace
=
startsWith
(
lineSuffixLow
,
snippet
.
prefixLow
)
?
insert
.
setEndPosition
(
position
.
lineNumber
,
position
.
column
+
snippet
.
prefixLow
.
length
)
:
insert
;
cons
t
insert
=
Range
.
fromPositions
(
position
);
const
replace
=
lineContent
.
indexOf
(
snippet
.
prefixLow
,
position
.
column
-
1
)
>=
0
?
insert
.
setEndPosition
(
position
.
lineNumber
,
position
.
column
+
snippet
.
prefixLow
.
length
)
:
insert
;
suggestions
.
push
(
new
SnippetCompletion
(
snippet
,
{
replace
,
insert
}));
});
}
...
...
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