本文整理汇总了TypeScript中vs/base/common/json.createScanner函数的典型用法代码示例。如果您正苦于以下问题：TypeScript createScanner函数的具体用法？TypeScript createScanner怎么用？TypeScript createScanner使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了createScanner函数的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: assertKinds
function assertKinds(text: string, ...kinds: SyntaxKind[]): void {
var scanner = createScanner(text);
var kind: SyntaxKind;
while ((kind = scanner.scan()) !== SyntaxKind.EOF) {
assert.equal(kind, kinds.shift());
}
assert.equal(kinds.length, 0);
}示例2: assertScanError
function assertScanError(text: string, expectedKind: SyntaxKind, scanError: ScanError): void {
var scanner = createScanner(text);
scanner.scan();
assert.equal(scanner.getToken(), expectedKind);
assert.equal(scanner.getTokenError(), scanError);
}示例3: insertSnippet
public static insertSnippet(model: ITextModel, _position: Position): InsertSnippetResult {
let desiredPosition = model.getValueLengthInRange(new Range(1, 1, _position.lineNumber, _position.column));
// <INVALID> [ <BEFORE_OBJECT> { <INVALID> } <AFTER_OBJECT>, <BEFORE_OBJECT> { <INVALID> } <AFTER_OBJECT> ] <INVALID>
enum State {
INVALID = 0,
AFTER_OBJECT = 1,
BEFORE_OBJECT = 2,
}
let currentState = State.INVALID;
let lastValidPos = -1;
let lastValidState = State.INVALID;
let scanner = createJSONScanner(model.getValue());
let arrayLevel = 0;
let objLevel = 0;
let checkRangeStatus = (pos: number, state: State) => {
if (state !== State.INVALID && arrayLevel === 1 && objLevel === 0) {
currentState = state;
lastValidPos = pos;
lastValidState = state;
} else {
if (currentState !== State.INVALID) {
currentState = State.INVALID;
lastValidPos = scanner.getTokenOffset();
}
}
};
while (scanner.scan() !== JSONSyntaxKind.EOF) {
let currentPos = scanner.getPosition();
let kind = scanner.getToken();
let goodKind = false;
switch (kind) {
case JSONSyntaxKind.OpenBracketToken:
goodKind = true;
arrayLevel++;
checkRangeStatus(currentPos, State.BEFORE_OBJECT);
break;
case JSONSyntaxKind.CloseBracketToken:
goodKind = true;
arrayLevel--;
checkRangeStatus(currentPos, State.INVALID);
break;
case JSONSyntaxKind.CommaToken:
goodKind = true;
checkRangeStatus(currentPos, State.BEFORE_OBJECT);
break;
case JSONSyntaxKind.OpenBraceToken:
goodKind = true;
objLevel++;
checkRangeStatus(currentPos, State.INVALID);
break;
case JSONSyntaxKind.CloseBraceToken:
goodKind = true;
objLevel--;
checkRangeStatus(currentPos, State.AFTER_OBJECT);
break;
case JSONSyntaxKind.Trivia:
case JSONSyntaxKind.LineBreakTrivia:
goodKind = true;
}
if (currentPos >= desiredPosition && (currentState !== State.INVALID || lastValidPos !== -1)) {
let acceptPosition: number;
let acceptState: State;
if (currentState !== State.INVALID) {
acceptPosition = (goodKind ? currentPos : scanner.getTokenOffset());
acceptState = currentState;
} else {
acceptPosition = lastValidPos;
acceptState = lastValidState;
}
if (acceptState as State === State.AFTER_OBJECT) {
return {
position: this.offsetToPosition(model, acceptPosition),
prepend: ',',
append: ''
};
} else {
scanner.setPosition(acceptPosition);
return {
position: this.offsetToPosition(model, acceptPosition),
prepend: '',
append: this.hasOpenBrace(scanner) ? ',' : ''
};
}
}
}
// no valid position found!
let modelLineCount = model.getLineCount();
return {
position: new Position(modelLineCount, model.getLineMaxColumn(modelLineCount)),
prepend: '\n[',
//.........这里部分代码省略.........