140
141
constructor() {
143
>
this.classNames = [];
144
>
this.metadata = [];
145
>
this.count = 0;
146
>
}
147
148
private static _metadata(metadata: number[]): number {
150
>
for (let i = 0, len = metadata.length; i < len; i++) {
151
>
result |= metadata[i];
152
>
}
153
>
return result;
154
>
}
155
156
public consumeLowerThan(maxStopOffset: number, nextStartOffset: number, result: DecorationSegment[]): number {
158
>
while (this.count > 0 && this.stopOffsets[0] < maxStopOffset) {
159
>
let i = 0;
160
>
161
>
// Take all equal stopping offsets
162
>
while (i + 1 < this.count && this.stopOffsets[i] === this.stopOffsets[i + 1]) {
163
i++;
164
}
166
>
// Basically we are consuming the first i + 1 elements of the stack
167
>
result.push(new DecorationSegment(nextStartOffset, this.stopOffsets[i], this.classNames.join(' '), Stack._metadata(this.metadata)));
168
>
nextStartOffset = this.stopOffsets[i] + 1;
169
>
170
>
// Consume them
171
>
this.stopOffsets.splice(0, i + 1);
172
>
this.classNames.splice(0, i + 1);
173
>
this.metadata.splice(0, i + 1);
174
>
this.count -= (i + 1);
175
>
}
176
>
177
>
if (this.count > 0 && nextStartOffset < maxStopOffset) {
178
result.push(new DecorationSegment(nextStartOffset, maxStopOffset - 1, this.classNames.join(' '), Stack._metadata(this.metadata)));
179
nextStartOffset = maxStopOffset;
180
}
182
>
return nextStartOffset;
183
>
}
184
185
public insert(stopOffset: number, className: string, metadata: number): void {
186
>
if (this.count === 0 || this.stopOffsets[this.count - 1] <= stopOffset) {
lineDecorations.ts
187
>
// Insert at the end
188
>
this.stopOffsets.push(stopOffset);
189
>
this.classNames.push(className);
190
>
this.metadata.push(metadata);
191
>
} else {
192
// Find the insertion position for `stopOffset`
193
for (let i = 0; i < this.count; i++) {