DevTools: split text_utils out of common module

third_party/WebKit/Source/devtools/front_end/common/TextRange.js

-/*
- * Copyright (C) 2013 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-/**
- * @unrestricted
- */
-Common.TextRange = class {
-  /**
-   * @param {number} startLine
-   * @param {number} startColumn
-   * @param {number} endLine
-   * @param {number} endColumn
-   */
-  constructor(startLine, startColumn, endLine, endColumn) {
-    this.startLine = startLine;
-    this.startColumn = startColumn;
-    this.endLine = endLine;
-    this.endColumn = endColumn;
-  }
-
-  /**
-   * @param {number} line
-   * @param {number} column
-   * @return {!Common.TextRange}
-   */
-  static createFromLocation(line, column) {
-    return new Common.TextRange(line, column, line, column);
-  }
-
-  /**
-   * @param {!Object} serializedTextRange
-   * @return {!Common.TextRange}
-   */
-  static fromObject(serializedTextRange) {
-    return new Common.TextRange(
-        serializedTextRange.startLine, serializedTextRange.startColumn, serializedTextRange.endLine,
-        serializedTextRange.endColumn);
-  }
-
-  /**
-   * @param {!Common.TextRange} range1
-   * @param {!Common.TextRange} range2
-   * @return {number}
-   */
-  static comparator(range1, range2) {
-    return range1.compareTo(range2);
-  }
-
-  /**
-   * @param {!Common.TextRange} oldRange
-   * @param {string} newText
-   * @return {!Common.TextRange}
-   */
-  static fromEdit(oldRange, newText) {
-    var endLine = oldRange.startLine;
-    var endColumn = oldRange.startColumn + newText.length;
-    var lineEndings = newText.computeLineEndings();
-    if (lineEndings.length > 1) {
-      endLine = oldRange.startLine + lineEndings.length - 1;
-      var len = lineEndings.length;
-      endColumn = lineEndings[len - 1] - lineEndings[len - 2] - 1;
-    }
-    return new Common.TextRange(oldRange.startLine, oldRange.startColumn, endLine, endColumn);
-  }
-
-  /**
-   * @return {boolean}
-   */
-  isEmpty() {
-    return this.startLine === this.endLine && this.startColumn === this.endColumn;
-  }
-
-  /**
-   * @param {!Common.TextRange} range
-   * @return {boolean}
-   */
-  immediatelyPrecedes(range) {
-    if (!range)
-      return false;
-    return this.endLine === range.startLine && this.endColumn === range.startColumn;
-  }
-
-  /**
-   * @param {!Common.TextRange} range
-   * @return {boolean}
-   */
-  immediatelyFollows(range) {
-    if (!range)
-      return false;
-    return range.immediatelyPrecedes(this);
-  }
-
-  /**
-   * @param {!Common.TextRange} range
-   * @return {boolean}
-   */
-  follows(range) {
-    return (range.endLine === this.startLine && range.endColumn <= this.startColumn) || range.endLine < this.startLine;
-  }
-
-  /**
-   * @return {number}
-   */
-  get linesCount() {
-    return this.endLine - this.startLine;
-  }
-
-  /**
-   * @return {!Common.TextRange}
-   */
-  collapseToEnd() {
-    return new Common.TextRange(this.endLine, this.endColumn, this.endLine, this.endColumn);
-  }
-
-  /**
-   * @return {!Common.TextRange}
-   */
-  collapseToStart() {
-    return new Common.TextRange(this.startLine, this.startColumn, this.startLine, this.startColumn);
-  }
-
-  /**
-   * @return {!Common.TextRange}
-   */
-  normalize() {
-    if (this.startLine > this.endLine || (this.startLine === this.endLine && this.startColumn > this.endColumn))
-      return new Common.TextRange(this.endLine, this.endColumn, this.startLine, this.startColumn);
-    else
-      return this.clone();
-  }
-
-  /**
-   * @return {!Common.TextRange}
-   */
-  clone() {
-    return new Common.TextRange(this.startLine, this.startColumn, this.endLine, this.endColumn);
-  }
-
-  /**
-   * @return {!{startLine: number, startColumn: number, endLine: number, endColumn: number}}
-   */
-  serializeToObject() {
-    var serializedTextRange = {};
-    serializedTextRange.startLine = this.startLine;
-    serializedTextRange.startColumn = this.startColumn;
-    serializedTextRange.endLine = this.endLine;
-    serializedTextRange.endColumn = this.endColumn;
-    return serializedTextRange;
-  }
-
-  /**
-   * @param {!Common.TextRange} other
-   * @return {number}
-   */
-  compareTo(other) {
-    if (this.startLine > other.startLine)
-      return 1;
-    if (this.startLine < other.startLine)
-      return -1;
-    if (this.startColumn > other.startColumn)
-      return 1;
-    if (this.startColumn < other.startColumn)
-      return -1;
-    return 0;
-  }
-
-  /**
-   * @param {number} lineNumber
-   * @param {number} columnNumber
-   * @return {number}
-   */
-  compareToPosition(lineNumber, columnNumber) {
-    if (lineNumber < this.startLine || (lineNumber === this.startLine && columnNumber < this.startColumn))
-      return -1;
-    if (lineNumber > this.endLine || (lineNumber === this.endLine && columnNumber > this.endColumn))
-      return 1;
-    return 0;
-  }
-
-  /**
-   * @param {!Common.TextRange} other
-   * @return {boolean}
-   */
-  equal(other) {
-    return this.startLine === other.startLine && this.endLine === other.endLine &&
-        this.startColumn === other.startColumn && this.endColumn === other.endColumn;
-  }
-
-  /**
-   * @param {number} line
-   * @param {number} column
-   * @return {!Common.TextRange}
-   */
-  relativeTo(line, column) {
-    var relative = this.clone();
-
-    if (this.startLine === line)
-      relative.startColumn -= column;
-    if (this.endLine === line)
-      relative.endColumn -= column;
-
-    relative.startLine -= line;
-    relative.endLine -= line;
-    return relative;
-  }
-
-  /**
-   * @param {!Common.TextRange} originalRange
-   * @param {!Common.TextRange} editedRange
-   * @return {!Common.TextRange}
-   */
-  rebaseAfterTextEdit(originalRange, editedRange) {
-    console.assert(originalRange.startLine === editedRange.startLine);
-    console.assert(originalRange.startColumn === editedRange.startColumn);
-    var rebase = this.clone();
-    if (!this.follows(originalRange))
-      return rebase;
-    var lineDelta = editedRange.endLine - originalRange.endLine;
-    var columnDelta = editedRange.endColumn - originalRange.endColumn;
-    rebase.startLine += lineDelta;
-    rebase.endLine += lineDelta;
-    if (rebase.startLine === editedRange.endLine)
-      rebase.startColumn += columnDelta;
-    if (rebase.endLine === editedRange.endLine)
-      rebase.endColumn += columnDelta;
-    return rebase;
-  }
-
-  /**
-   * @override
-   * @return {string}
-   */
-  toString() {
-    return JSON.stringify(this);
-  }
-
-  /**
-   * @param {number} lineNumber
-   * @param {number} columnNumber
-   * @return {boolean}
-   */
-  containsLocation(lineNumber, columnNumber) {
-    if (this.startLine === this.endLine)
-      return this.startLine === lineNumber && this.startColumn <= columnNumber && columnNumber <= this.endColumn;
-    if (this.startLine === lineNumber)
-      return this.startColumn <= columnNumber;
-    if (this.endLine === lineNumber)
-      return columnNumber <= this.endColumn;
-    return this.startLine < lineNumber && lineNumber < this.endLine;
-  }
-};
-
-
-/**
- * @unrestricted
- */
-Common.SourceRange = class {
-  /**
-   * @param {number} offset
-   * @param {number} length
-   */
-  constructor(offset, length) {
-    this.offset = offset;
-    this.length = length;
-  }
-};
-
-/**
- * @unrestricted
- */
-Common.SourceEdit = class {
-  /**
-   * @param {string} sourceURL
-   * @param {!Common.TextRange} oldRange
-   * @param {string} newText
-   */
-  constructor(sourceURL, oldRange, newText) {
-    this.sourceURL = sourceURL;
-    this.oldRange = oldRange;
-    this.newText = newText;
-  }
-
-  /**
-   * @param {!Common.SourceEdit} edit1
-   * @param {!Common.SourceEdit} edit2
-   * @return {number}
-   */
-  static comparator(edit1, edit2) {
-    return Common.TextRange.comparator(edit1.oldRange, edit2.oldRange);
-  }
-
-  /**
-   * @return {!Common.TextRange}
-   */
-  newRange() {
-    return Common.TextRange.fromEdit(this.oldRange, this.newText);
-  }
-};