本文整理汇总了TypeScript中vs/editor/common/core/lineTokens.LineTokens.findIndexInTokensArray方法的典型用法代码示例。如果您正苦于以下问题:TypeScript LineTokens.findIndexInTokensArray方法的具体用法?TypeScript LineTokens.findIndexInTokensArray怎么用?TypeScript LineTokens.findIndexInTokensArray使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类vs/editor/common/core/lineTokens.LineTokens
的用法示例。
在下文中一共展示了LineTokens.findIndexInTokensArray方法的2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: delete
public delete(fromChIndex: number, toChIndex: number): void {
if (this._lineTokens === null || this._lineTokens === EMPTY_LINE_TOKENS || fromChIndex === toChIndex) {
return;
}
const tokens = new Uint32Array(this._lineTokens);
const tokensCount = (tokens.length >>> 1);
// special case: deleting everything
if (fromChIndex === 0 && tokens[tokens.length - 2] === toChIndex) {
this._lineTokens = EMPTY_LINE_TOKENS;
return;
}
const fromTokenIndex = LineTokens.findIndexInTokensArray(tokens, fromChIndex);
const fromTokenStartOffset = (fromTokenIndex > 0 ? tokens[(fromTokenIndex - 1) << 1] : 0);
const fromTokenEndOffset = tokens[fromTokenIndex << 1];
if (toChIndex < fromTokenEndOffset) {
// the delete range is inside a single token
const delta = (toChIndex - fromChIndex);
for (let i = fromTokenIndex; i < tokensCount; i++) {
tokens[i << 1] -= delta;
}
return;
}
let dest: number;
let lastEnd: number;
if (fromTokenStartOffset !== fromChIndex) {
tokens[fromTokenIndex << 1] = fromChIndex;
dest = ((fromTokenIndex + 1) << 1);
lastEnd = fromChIndex;
} else {
dest = (fromTokenIndex << 1);
lastEnd = fromTokenStartOffset;
}
const delta = (toChIndex - fromChIndex);
for (let tokenIndex = fromTokenIndex + 1; tokenIndex < tokensCount; tokenIndex++) {
const tokenEndOffset = tokens[tokenIndex << 1] - delta;
if (tokenEndOffset > lastEnd) {
tokens[dest++] = tokenEndOffset;
tokens[dest++] = tokens[(tokenIndex << 1) + 1];
lastEnd = tokenEndOffset;
}
}
if (dest === tokens.length) {
// nothing to trim
return;
}
let tmp = new Uint32Array(dest);
tmp.set(tokens.subarray(0, dest), 0);
this._lineTokens = tmp.buffer;
}
示例2: insert
public insert(chIndex: number, textLength: number): void {
if (!this._lineTokens) {
// nothing to do
return;
}
const tokens = new Uint32Array(this._lineTokens);
const tokensCount = (tokens.length >>> 1);
let fromTokenIndex = LineTokens.findIndexInTokensArray(tokens, chIndex);
if (fromTokenIndex > 0) {
const fromTokenStartOffset = (fromTokenIndex > 0 ? tokens[(fromTokenIndex - 1) << 1] : 0);
if (fromTokenStartOffset === chIndex) {
fromTokenIndex--;
}
}
for (let tokenIndex = fromTokenIndex; tokenIndex < tokensCount; tokenIndex++) {
tokens[tokenIndex << 1] += textLength;
}
}