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authorDanijel Andjelkovic <adanijel99@gmail.com>2022-03-01 20:21:29 +0000
committerDanijel Andjelkovic <adanijel99@gmail.com>2022-03-01 20:21:29 +0000
commit61cb1570a3410c85a4489b97c172e3a50715f36c (patch)
tree8fe4a5b77ea54bba80abc817ce2c9ef0e79e7e66 /sandbox/testAppNevena/Front/node_modules/@angular-devkit/schematics/src/utility/update-buffer.js
parent21a53d349788c99d2007cba91a923db982353b31 (diff)
parenta9ee9e0a500a4a15bd0b5dcaf041f827228ed309 (diff)
Merge branch 'researchML' into 'dev'
Research ml See merge request igrannonica/neuronstellar!6
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+"use strict";
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+var __importDefault = (this && this.__importDefault) || function (mod) {
+ return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.UpdateBuffer2 = exports.UpdateBuffer = exports.UpdateBufferBase = exports.Chunk = exports.ContentCannotBeRemovedException = exports.IndexOutOfBoundException = void 0;
+const core_1 = require("@angular-devkit/core");
+const magic_string_1 = __importDefault(require("magic-string"));
+const environment_options_1 = require("./environment-options");
+const linked_list_1 = require("./linked-list");
+class IndexOutOfBoundException extends core_1.BaseException {
+ constructor(index, min, max = Infinity) {
+ super(`Index ${index} outside of range [${min}, ${max}].`);
+ }
+}
+exports.IndexOutOfBoundException = IndexOutOfBoundException;
+/** @deprecated Since v13.0 */
+class ContentCannotBeRemovedException extends core_1.BaseException {
+ constructor() {
+ super(`User tried to remove content that was marked essential.`);
+ }
+}
+exports.ContentCannotBeRemovedException = ContentCannotBeRemovedException;
+/**
+ * A Chunk description, including left/right content that has been inserted.
+ * If _left/_right is null, this means that content was deleted. If the _content is null,
+ * it means the content itself was deleted.
+ *
+ * @see UpdateBuffer
+ * @deprecated Since v13.0
+ */
+class Chunk {
+ constructor(start, end, originalContent) {
+ this.start = start;
+ this.end = end;
+ this.originalContent = originalContent;
+ this._left = Buffer.alloc(0);
+ this._right = Buffer.alloc(0);
+ this._assertLeft = false;
+ this._assertRight = false;
+ this.next = null;
+ this._content = originalContent.slice(start, end);
+ }
+ get length() {
+ return ((this._left ? this._left.length : 0) +
+ (this._content ? this._content.length : 0) +
+ (this._right ? this._right.length : 0));
+ }
+ toString(encoding = 'utf-8') {
+ return ((this._left ? this._left.toString(encoding) : '') +
+ (this._content ? this._content.toString(encoding) : '') +
+ (this._right ? this._right.toString(encoding) : ''));
+ }
+ slice(start) {
+ if (start < this.start || start > this.end) {
+ throw new IndexOutOfBoundException(start, this.start, this.end);
+ }
+ // Update _content to the new indices.
+ const newChunk = new Chunk(start, this.end, this.originalContent);
+ // If this chunk has _content, reslice the original _content. We move the _right so we are not
+ // losing any data here. If this chunk has been deleted, the next chunk should also be deleted.
+ if (this._content) {
+ this._content = this.originalContent.slice(this.start, start);
+ }
+ else {
+ newChunk._content = this._content;
+ if (this._right === null) {
+ newChunk._left = null;
+ }
+ }
+ this.end = start;
+ // Move _right to the new chunk.
+ newChunk._right = this._right;
+ this._right = this._right && Buffer.alloc(0);
+ // Update essentials.
+ if (this._assertRight) {
+ newChunk._assertRight = true;
+ this._assertRight = false;
+ }
+ // Update the linked list.
+ newChunk.next = this.next;
+ this.next = newChunk;
+ return newChunk;
+ }
+ append(buffer, essential) {
+ if (!this._right) {
+ if (essential) {
+ throw new ContentCannotBeRemovedException();
+ }
+ return;
+ }
+ const outro = this._right;
+ this._right = Buffer.alloc(outro.length + buffer.length);
+ outro.copy(this._right, 0);
+ buffer.copy(this._right, outro.length);
+ if (essential) {
+ this._assertRight = true;
+ }
+ }
+ prepend(buffer, essential) {
+ if (!this._left) {
+ if (essential) {
+ throw new ContentCannotBeRemovedException();
+ }
+ return;
+ }
+ const intro = this._left;
+ this._left = Buffer.alloc(intro.length + buffer.length);
+ intro.copy(this._left, 0);
+ buffer.copy(this._left, intro.length);
+ if (essential) {
+ this._assertLeft = true;
+ }
+ }
+ assert(left, _content, right) {
+ if (left && this._assertLeft) {
+ throw new ContentCannotBeRemovedException();
+ }
+ if (right && this._assertRight) {
+ throw new ContentCannotBeRemovedException();
+ }
+ }
+ remove(left, content, right) {
+ if (left) {
+ if (this._assertLeft) {
+ throw new ContentCannotBeRemovedException();
+ }
+ this._left = null;
+ }
+ if (content) {
+ this._content = null;
+ }
+ if (right) {
+ if (this._assertRight) {
+ throw new ContentCannotBeRemovedException();
+ }
+ this._right = null;
+ }
+ }
+ copy(target, start) {
+ if (this._left) {
+ this._left.copy(target, start);
+ start += this._left.length;
+ }
+ if (this._content) {
+ this._content.copy(target, start);
+ start += this._content.length;
+ }
+ if (this._right) {
+ this._right.copy(target, start);
+ start += this._right.length;
+ }
+ return start;
+ }
+}
+exports.Chunk = Chunk;
+/**
+ * Base class for an update buffer implementation that allows buffers to be inserted to the _right
+ * or _left, or deleted, while keeping indices to the original buffer.
+ */
+class UpdateBufferBase {
+ constructor(_originalContent) {
+ this._originalContent = _originalContent;
+ }
+ /**
+ * Creates an UpdateBufferBase instance. Depending on the NG_UPDATE_BUFFER_V2
+ * environment variable, will either create an UpdateBuffer or an UpdateBuffer2
+ * instance.
+ *
+ * See: https://github.com/angular/angular-cli/issues/21110
+ *
+ * @param originalContent The original content of the update buffer instance.
+ * @returns An UpdateBufferBase instance.
+ */
+ static create(originalContent) {
+ return environment_options_1.updateBufferV2Enabled
+ ? new UpdateBuffer2(originalContent)
+ : new UpdateBuffer(originalContent);
+ }
+}
+exports.UpdateBufferBase = UpdateBufferBase;
+/**
+ * An utility class that allows buffers to be inserted to the _right or _left, or deleted, while
+ * keeping indices to the original buffer.
+ *
+ * The constructor takes an original buffer, and keeps it into a linked list of chunks, smaller
+ * buffers that keep track of _content inserted to the _right or _left of it.
+ *
+ * Since the Node Buffer structure is non-destructive when slicing, we try to use slicing to create
+ * new chunks, and always keep chunks pointing to the original content.
+ *
+ * @deprecated Since v13.0
+ */
+class UpdateBuffer extends UpdateBufferBase {
+ constructor(originalContent) {
+ super(originalContent);
+ this._linkedList = new linked_list_1.LinkedList(new Chunk(0, originalContent.length, originalContent));
+ }
+ _assertIndex(index) {
+ if (index < 0 || index > this._originalContent.length) {
+ throw new IndexOutOfBoundException(index, 0, this._originalContent.length);
+ }
+ }
+ _slice(start) {
+ let index;
+ if (start >= this._originalContent.length) {
+ index = start;
+ }
+ else if (start < 0) {
+ index = this._originalContent.length + start;
+ }
+ else {
+ index = this._getTextPosition(start);
+ }
+ this._assertIndex(index);
+ // Find the chunk by going through the list.
+ const h = this._linkedList.find((chunk) => index <= chunk.end);
+ if (!h) {
+ throw Error('Chunk cannot be found.');
+ }
+ if (index == h.end && h.next !== null) {
+ return [h, h.next];
+ }
+ return [h, h.slice(index)];
+ }
+ /**
+ * Gets the position in the content based on the position in the string.
+ * Some characters might be wider than one byte, thus we have to determine the position using
+ * string functions.
+ */
+ _getTextPosition(index) {
+ return Buffer.from(this._originalContent.toString().substring(0, index)).length;
+ }
+ get length() {
+ return this._linkedList.reduce((acc, chunk) => acc + chunk.length, 0);
+ }
+ get original() {
+ return this._originalContent;
+ }
+ toString(encoding = 'utf-8') {
+ return this._linkedList.reduce((acc, chunk) => acc + chunk.toString(encoding), '');
+ }
+ generate() {
+ const result = Buffer.allocUnsafe(this.length);
+ let i = 0;
+ this._linkedList.forEach((chunk) => {
+ chunk.copy(result, i);
+ i += chunk.length;
+ });
+ return result;
+ }
+ insertLeft(index, content, assert = false) {
+ this._slice(index)[0].append(content, assert);
+ }
+ insertRight(index, content, assert = false) {
+ this._slice(index)[1].prepend(content, assert);
+ }
+ remove(index, length) {
+ if (length === 0) {
+ return;
+ }
+ const end = index + length;
+ const first = this._slice(index)[1];
+ const last = this._slice(end)[1];
+ let curr;
+ for (curr = first; curr && curr !== last; curr = curr.next) {
+ curr.assert(curr !== first, curr !== last, curr === first);
+ }
+ for (curr = first; curr && curr !== last; curr = curr.next) {
+ curr.remove(curr !== first, curr !== last, curr === first);
+ }
+ if (curr) {
+ curr.remove(true, false, false);
+ }
+ }
+}
+exports.UpdateBuffer = UpdateBuffer;
+/**
+ * An utility class that allows buffers to be inserted to the _right or _left, or deleted, while
+ * keeping indices to the original buffer.
+ */
+class UpdateBuffer2 extends UpdateBufferBase {
+ constructor() {
+ super(...arguments);
+ this._mutatableContent = new magic_string_1.default(this._originalContent.toString());
+ }
+ _assertIndex(index) {
+ if (index < 0 || index > this._originalContent.length) {
+ throw new IndexOutOfBoundException(index, 0, this._originalContent.length);
+ }
+ }
+ get length() {
+ return this._mutatableContent.length();
+ }
+ get original() {
+ return this._originalContent;
+ }
+ toString() {
+ return this._mutatableContent.toString();
+ }
+ generate() {
+ return Buffer.from(this.toString());
+ }
+ insertLeft(index, content) {
+ this._assertIndex(index);
+ this._mutatableContent.appendLeft(index, content.toString());
+ }
+ insertRight(index, content) {
+ this._assertIndex(index);
+ this._mutatableContent.appendRight(index, content.toString());
+ }
+ remove(index, length) {
+ this._assertIndex(index);
+ this._mutatableContent.remove(index, index + length);
+ }
+}
+exports.UpdateBuffer2 = UpdateBuffer2;