137 lines
16 KiB
JavaScript
137 lines
16 KiB
JavaScript
export class RangeTree {
|
|
constructor(start, end, delta, children) {
|
|
this.start = start;
|
|
this.end = end;
|
|
this.delta = delta;
|
|
this.children = children;
|
|
}
|
|
/**
|
|
* @precodition `ranges` are well-formed and pre-order sorted
|
|
*/
|
|
static fromSortedRanges(ranges) {
|
|
let root;
|
|
// Stack of parent trees and parent counts.
|
|
const stack = [];
|
|
for (const range of ranges) {
|
|
const node = new RangeTree(range.startOffset, range.endOffset, range.count, []);
|
|
if (root === undefined) {
|
|
root = node;
|
|
stack.push([node, range.count]);
|
|
continue;
|
|
}
|
|
let parent;
|
|
let parentCount;
|
|
while (true) {
|
|
[parent, parentCount] = stack[stack.length - 1];
|
|
// assert: `top !== undefined` (the ranges are sorted)
|
|
if (range.startOffset < parent.end) {
|
|
break;
|
|
}
|
|
else {
|
|
stack.pop();
|
|
}
|
|
}
|
|
node.delta -= parentCount;
|
|
parent.children.push(node);
|
|
stack.push([node, range.count]);
|
|
}
|
|
return root;
|
|
}
|
|
normalize() {
|
|
const children = [];
|
|
let curEnd;
|
|
let head;
|
|
const tail = [];
|
|
for (const child of this.children) {
|
|
if (head === undefined) {
|
|
head = child;
|
|
}
|
|
else if (child.delta === head.delta && child.start === curEnd) {
|
|
tail.push(child);
|
|
}
|
|
else {
|
|
endChain();
|
|
head = child;
|
|
}
|
|
curEnd = child.end;
|
|
}
|
|
if (head !== undefined) {
|
|
endChain();
|
|
}
|
|
if (children.length === 1) {
|
|
const child = children[0];
|
|
if (child.start === this.start && child.end === this.end) {
|
|
this.delta += child.delta;
|
|
this.children = child.children;
|
|
// `.lazyCount` is zero for both (both are after normalization)
|
|
return;
|
|
}
|
|
}
|
|
this.children = children;
|
|
function endChain() {
|
|
if (tail.length !== 0) {
|
|
head.end = tail[tail.length - 1].end;
|
|
for (const tailTree of tail) {
|
|
for (const subChild of tailTree.children) {
|
|
subChild.delta += tailTree.delta - head.delta;
|
|
head.children.push(subChild);
|
|
}
|
|
}
|
|
tail.length = 0;
|
|
}
|
|
head.normalize();
|
|
children.push(head);
|
|
}
|
|
}
|
|
/**
|
|
* @precondition `tree.start < value && value < tree.end`
|
|
* @return RangeTree Right part
|
|
*/
|
|
split(value) {
|
|
let leftChildLen = this.children.length;
|
|
let mid;
|
|
// TODO(perf): Binary search (check overhead)
|
|
for (let i = 0; i < this.children.length; i++) {
|
|
const child = this.children[i];
|
|
if (child.start < value && value < child.end) {
|
|
mid = child.split(value);
|
|
leftChildLen = i + 1;
|
|
break;
|
|
}
|
|
else if (child.start >= value) {
|
|
leftChildLen = i;
|
|
break;
|
|
}
|
|
}
|
|
const rightLen = this.children.length - leftChildLen;
|
|
const rightChildren = this.children.splice(leftChildLen, rightLen);
|
|
if (mid !== undefined) {
|
|
rightChildren.unshift(mid);
|
|
}
|
|
const result = new RangeTree(value, this.end, this.delta, rightChildren);
|
|
this.end = value;
|
|
return result;
|
|
}
|
|
/**
|
|
* Get the range coverages corresponding to the tree.
|
|
*
|
|
* The ranges are pre-order sorted.
|
|
*/
|
|
toRanges() {
|
|
const ranges = [];
|
|
// Stack of parent trees and counts.
|
|
const stack = [[this, 0]];
|
|
while (stack.length > 0) {
|
|
const [cur, parentCount] = stack.pop();
|
|
const count = parentCount + cur.delta;
|
|
ranges.push({ startOffset: cur.start, endOffset: cur.end, count });
|
|
for (let i = cur.children.length - 1; i >= 0; i--) {
|
|
stack.push([cur.children[i], count]);
|
|
}
|
|
}
|
|
return ranges;
|
|
}
|
|
}
|
|
|
|
//# sourceMappingURL=data:application/json;charset=utf8;base64,{"version":3,"sources":["_src/range-tree.ts"],"names":[],"mappings":"AAEA,MAAM,OAAO,SAAS;IAMpB,YACE,KAAa,EACb,GAAW,EACX,KAAa,EACb,QAAqB;QAErB,IAAI,CAAC,KAAK,GAAG,KAAK,CAAC;QACnB,IAAI,CAAC,GAAG,GAAG,GAAG,CAAC;QACf,IAAI,CAAC,KAAK,GAAG,KAAK,CAAC;QACnB,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;IAC3B,CAAC;IAED;;OAEG;IACH,MAAM,CAAC,gBAAgB,CAAC,MAA+B;QACrD,IAAI,IAA2B,CAAC;QAChC,2CAA2C;QAC3C,MAAM,KAAK,GAA0B,EAAE,CAAC;QACxC,KAAK,MAAM,KAAK,IAAI,MAAM,EAAE;YAC1B,MAAM,IAAI,GAAc,IAAI,SAAS,CAAC,KAAK,CAAC,WAAW,EAAE,KAAK,CAAC,SAAS,EAAE,KAAK,CAAC,KAAK,EAAE,EAAE,CAAC,CAAC;YAC3F,IAAI,IAAI,KAAK,SAAS,EAAE;gBACtB,IAAI,GAAG,IAAI,CAAC;gBACZ,KAAK,CAAC,IAAI,CAAC,CAAC,IAAI,EAAE,KAAK,CAAC,KAAK,CAAC,CAAC,CAAC;gBAChC,SAAS;aACV;YACD,IAAI,MAAiB,CAAC;YACtB,IAAI,WAAmB,CAAC;YACxB,OAAO,IAAI,EAAE;gBACX,CAAC,MAAM,EAAE,WAAW,CAAC,GAAG,KAAK,CAAC,KAAK,CAAC,MAAM,GAAG,CAAC,CAAC,CAAC;gBAChD,sDAAsD;gBACtD,IAAI,KAAK,CAAC,WAAW,GAAG,MAAM,CAAC,GAAG,EAAE;oBAClC,MAAM;iBACP;qBAAM;oBACL,KAAK,CAAC,GAAG,EAAE,CAAC;iBACb;aACF;YACD,IAAI,CAAC,KAAK,IAAI,WAAW,CAAC;YAC1B,MAAM,CAAC,QAAQ,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC;YAC3B,KAAK,CAAC,IAAI,CAAC,CAAC,IAAI,EAAE,KAAK,CAAC,KAAK,CAAC,CAAC,CAAC;SACjC;QACD,OAAO,IAAI,CAAC;IACd,CAAC;IAED,SAAS;QACP,MAAM,QAAQ,GAAgB,EAAE,CAAC;QACjC,IAAI,MAAc,CAAC;QACnB,IAAI,IAA2B,CAAC;QAChC,MAAM,IAAI,GAAgB,EAAE,CAAC;QAC7B,KAAK,MAAM,KAAK,IAAI,IAAI,CAAC,QAAQ,EAAE;YACjC,IAAI,IAAI,KAAK,SAAS,EAAE;gBACtB,IAAI,GAAG,KAAK,CAAC;aACd;iBAAM,IAAI,KAAK,CAAC,KAAK,KAAK,IAAI,CAAC,KAAK,IAAI,KAAK,CAAC,KAAK,KAAK,MAAO,EAAE;gBAChE,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;aAClB;iBAAM;gBACL,QAAQ,EAAE,CAAC;gBACX,IAAI,GAAG,KAAK,CAAC;aACd;YACD,MAAM,GAAG,KAAK,CAAC,GAAG,CAAC;SACpB;QACD,IAAI,IAAI,KAAK,SAAS,EAAE;YACtB,QAAQ,EAAE,CAAC;SACZ;QAED,IAAI,QAAQ,CAAC,MAAM,KAAK,CAAC,EAAE;YACzB,MAAM,KAAK,GAAc,QAAQ,CAAC,CAAC,CAAC,CAAC;YACrC,IAAI,KAAK,CAAC,KAAK,KAAK,IAAI,CAAC,KAAK,IAAI,KAAK,CAAC,GAAG,KAAK,IAAI,CAAC,GAAG,EAAE;gBACxD,IAAI,CAAC,KAAK,IAAI,KAAK,CAAC,KAAK,CAAC;gBAC1B,IAAI,CAAC,QAAQ,GAAG,KAAK,CAAC,QAAQ,CAAC;gBAC/B,+DAA+D;gBAC/D,OAAO;aACR;SACF;QAED,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QAEzB,SAAS,QAAQ;YACf,IAAI,IAAI,CAAC,MAAM,KAAK,CAAC,EAAE;gBACrB,IAAK,CAAC,GAAG,GAAG,IAAI,CAAC,IAAI,CAAC,MAAM,GAAG,CAAC,CAAC,CAAC,GAAG,CAAC;gBACtC,KAAK,MAAM,QAAQ,IAAI,IAAI,EAAE;oBAC3B,KAAK,MAAM,QAAQ,IAAI,QAAQ,CAAC,QAAQ,EAAE;wBACxC,QAAQ,CAAC,KAAK,IAAI,QAAQ,CAAC,KAAK,GAAG,IAAK,CAAC,KAAK,CAAC;wBAC/C,IAAK,CAAC,QAAQ,CAAC,IAAI,CAAC,QAAQ,CAAC,CAAC;qBAC/B;iBACF;gBACD,IAAI,CAAC,MAAM,GAAG,CAAC,CAAC;aACjB;YACD,IAAK,CAAC,SAAS,EAAE,CAAC;YAClB,QAAQ,CAAC,IAAI,CAAC,IAAK,CAAC,CAAC;QACvB,CAAC;IACH,CAAC;IAED;;;OAGG;IACH,KAAK,CAAC,KAAa;QACjB,IAAI,YAAY,GAAW,IAAI,CAAC,QAAQ,CAAC,MAAM,CAAC;QAChD,IAAI,GAA0B,CAAC;QAE/B,6CAA6C;QAC7C,KAAK,IAAI,CAAC,GAAW,CAAC,EAAE,CAAC,GAAG,IAAI,CAAC,QAAQ,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;YACrD,MAAM,KAAK,GAAc,IAAI,CAAC,QAAQ,CAAC,CAAC,CAAC,CAAC;YAC1C,IAAI,KAAK,CAAC,KAAK,GAAG,KAAK,IAAI,KAAK,GAAG,KAAK,CAAC,GAAG,EAAE;gBAC5C,GAAG,GAAG,KAAK,CAAC,KAAK,CAAC,KAAK,CAAC,CAAC;gBACzB,YAAY,GAAG,CAAC,GAAG,CAAC,CAAC;gBACrB,MAAM;aACP;iBAAM,IAAI,KAAK,CAAC,KAAK,IAAI,KAAK,EAAE;gBAC/B,YAAY,GAAG,CAAC,CAAC;gBACjB,MAAM;aACP;SACF;QAED,MAAM,QAAQ,GAAW,IAAI,CAAC,QAAQ,CAAC,MAAM,GAAG,YAAY,CAAC;QAC7D,MAAM,aAAa,GAAgB,IAAI,CAAC,QAAQ,CAAC,MAAM,CAAC,YAAY,EAAE,QAAQ,CAAC,CAAC;QAChF,IAAI,GAAG,KAAK,SAAS,EAAE;YACrB,aAAa,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC;SAC5B;QACD,MAAM,MAAM,GAAc,IAAI,SAAS,CACrC,KAAK,EACL,IAAI,CAAC,GAAG,EACR,IAAI,CAAC,KAAK,EACV,aAAa,CACd,CAAC;QACF,IAAI,CAAC,GAAG,GAAG,KAAK,CAAC;QACjB,OAAO,MAAM,CAAC;IAChB,CAAC;IAED;;;;OAIG;IACH,QAAQ;QACN,MAAM,MAAM,GAAe,EAAE,CAAC;QAC9B,oCAAoC;QACpC,MAAM,KAAK,GAA0B,CAAC,CAAC,IAAI,EAAE,CAAC,CAAC,CAAC,CAAC;QACjD,OAAO,KAAK,CAAC,MAAM,GAAG,CAAC,EAAE;YACvB,MAAM,CAAC,GAAG,EAAE,WAAW,CAAC,GAAwB,KAAK,CAAC,GAAG,EAAG,CAAC;YAC7D,MAAM,KAAK,GAAW,WAAW,GAAG,GAAG,CAAC,KAAK,CAAC;YAC9C,MAAM,CAAC,IAAI,CAAC,EAAC,WAAW,EAAE,GAAG,CAAC,KAAK,EAAE,SAAS,EAAE,GAAG,CAAC,GAAG,EAAE,KAAK,EAAC,CAAC,CAAC;YACjE,KAAK,IAAI,CAAC,GAAW,GAAG,CAAC,QAAQ,CAAC,MAAM,GAAG,CAAC,EAAE,CAAC,IAAI,CAAC,EAAE,CAAC,EAAE,EAAE;gBACzD,KAAK,CAAC,IAAI,CAAC,CAAC,GAAG,CAAC,QAAQ,CAAC,CAAC,CAAC,EAAE,KAAK,CAAC,CAAC,CAAC;aACtC;SACF;QACD,OAAO,MAAM,CAAC;IAChB,CAAC;CACF","file":"range-tree.js","sourcesContent":["import { RangeCov } from \"./types\";\n\nexport class RangeTree {\n  start: number;\n  end: number;\n  delta: number;\n  children: RangeTree[];\n\n  constructor(\n    start: number,\n    end: number,\n    delta: number,\n    children: RangeTree[],\n  ) {\n    this.start = start;\n    this.end = end;\n    this.delta = delta;\n    this.children = children;\n  }\n\n  /**\n   * @precodition `ranges` are well-formed and pre-order sorted\n   */\n  static fromSortedRanges(ranges: ReadonlyArray<RangeCov>): RangeTree | undefined {\n    let root: RangeTree | undefined;\n    // Stack of parent trees and parent counts.\n    const stack: [RangeTree, number][] = [];\n    for (const range of ranges) {\n      const node: RangeTree = new RangeTree(range.startOffset, range.endOffset, range.count, []);\n      if (root === undefined) {\n        root = node;\n        stack.push([node, range.count]);\n        continue;\n      }\n      let parent: RangeTree;\n      let parentCount: number;\n      while (true) {\n        [parent, parentCount] = stack[stack.length - 1];\n        // assert: `top !== undefined` (the ranges are sorted)\n        if (range.startOffset < parent.end) {\n          break;\n        } else {\n          stack.pop();\n        }\n      }\n      node.delta -= parentCount;\n      parent.children.push(node);\n      stack.push([node, range.count]);\n    }\n    return root;\n  }\n\n  normalize(): void {\n    const children: RangeTree[] = [];\n    let curEnd: number;\n    let head: RangeTree | undefined;\n    const tail: RangeTree[] = [];\n    for (const child of this.children) {\n      if (head === undefined) {\n        head = child;\n      } else if (child.delta === head.delta && child.start === curEnd!) {\n        tail.push(child);\n      } else {\n        endChain();\n        head = child;\n      }\n      curEnd = child.end;\n    }\n    if (head !== undefined) {\n      endChain();\n    }\n\n    if (children.length === 1) {\n      const child: RangeTree = children[0];\n      if (child.start === this.start && child.end === this.end) {\n        this.delta += child.delta;\n        this.children = child.children;\n        // `.lazyCount` is zero for both (both are after normalization)\n        return;\n      }\n    }\n\n    this.children = children;\n\n    function endChain(): void {\n      if (tail.length !== 0) {\n        head!.end = tail[tail.length - 1].end;\n        for (const tailTree of tail) {\n          for (const subChild of tailTree.children) {\n            subChild.delta += tailTree.delta - head!.delta;\n            head!.children.push(subChild);\n          }\n        }\n        tail.length = 0;\n      }\n      head!.normalize();\n      children.push(head!);\n    }\n  }\n\n  /**\n   * @precondition `tree.start < value && value < tree.end`\n   * @return RangeTree Right part\n   */\n  split(value: number): RangeTree {\n    let leftChildLen: number = this.children.length;\n    let mid: RangeTree | undefined;\n\n    // TODO(perf): Binary search (check overhead)\n    for (let i: number = 0; i < this.children.length; i++) {\n      const child: RangeTree = this.children[i];\n      if (child.start < value && value < child.end) {\n        mid = child.split(value);\n        leftChildLen = i + 1;\n        break;\n      } else if (child.start >= value) {\n        leftChildLen = i;\n        break;\n      }\n    }\n\n    const rightLen: number = this.children.length - leftChildLen;\n    const rightChildren: RangeTree[] = this.children.splice(leftChildLen, rightLen);\n    if (mid !== undefined) {\n      rightChildren.unshift(mid);\n    }\n    const result: RangeTree = new RangeTree(\n      value,\n      this.end,\n      this.delta,\n      rightChildren,\n    );\n    this.end = value;\n    return result;\n  }\n\n  /**\n   * Get the range coverages corresponding to the tree.\n   *\n   * The ranges are pre-order sorted.\n   */\n  toRanges(): RangeCov[] {\n    const ranges: RangeCov[] = [];\n    // Stack of parent trees and counts.\n    const stack: [RangeTree, number][] = [[this, 0]];\n    while (stack.length > 0) {\n      const [cur, parentCount]: [RangeTree, number] = stack.pop()!;\n      const count: number = parentCount + cur.delta;\n      ranges.push({startOffset: cur.start, endOffset: cur.end, count});\n      for (let i: number = cur.children.length - 1; i >= 0; i--) {\n        stack.push([cur.children[i], count]);\n      }\n    }\n    return ranges;\n  }\n}\n"],"sourceRoot":""}
|