chrome-devtools-frontend
Version:
Chrome DevTools UI
355 lines (321 loc) • 9.51 kB
JavaScript
/*
* 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.
*/
import * as Platform from '../platform/platform.js';
export class TextRange {
/**
* @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 {!TextRange}
*/
static createFromLocation(line, column) {
return new TextRange(line, column, line, column);
}
/**
* @param {{startLine: number, startColumn: number, endLine: number, endColumn: number}} serializedTextRange
* @return {!TextRange}
*/
static fromObject(serializedTextRange) {
return new TextRange(
serializedTextRange.startLine, serializedTextRange.startColumn, serializedTextRange.endLine,
serializedTextRange.endColumn);
}
/**
* @param {!TextRange} range1
* @param {!TextRange} range2
* @return {number}
*/
static comparator(range1, range2) {
return range1.compareTo(range2);
}
/**
* @param {!TextRange} oldRange
* @param {string} newText
* @return {!TextRange}
*/
static fromEdit(oldRange, newText) {
let endLine = oldRange.startLine;
let endColumn = oldRange.startColumn + newText.length;
const lineEndings = Platform.StringUtilities.findLineEndingIndexes(newText);
if (lineEndings.length > 1) {
endLine = oldRange.startLine + lineEndings.length - 1;
const len = lineEndings.length;
endColumn = lineEndings[len - 1] - lineEndings[len - 2] - 1;
}
return new TextRange(oldRange.startLine, oldRange.startColumn, endLine, endColumn);
}
/**
* @return {boolean}
*/
isEmpty() {
return this.startLine === this.endLine && this.startColumn === this.endColumn;
}
/**
* @param {!TextRange=} range
* @return {boolean}
*/
immediatelyPrecedes(range) {
if (!range) {
return false;
}
return this.endLine === range.startLine && this.endColumn === range.startColumn;
}
/**
* @param {!TextRange=} range
* @return {boolean}
*/
immediatelyFollows(range) {
if (!range) {
return false;
}
return range.immediatelyPrecedes(this);
}
/**
* @param {!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 {!TextRange}
*/
collapseToEnd() {
return new TextRange(this.endLine, this.endColumn, this.endLine, this.endColumn);
}
/**
* @return {!TextRange}
*/
collapseToStart() {
return new TextRange(this.startLine, this.startColumn, this.startLine, this.startColumn);
}
/**
* @return {!TextRange}
*/
normalize() {
if (this.startLine > this.endLine || (this.startLine === this.endLine && this.startColumn > this.endColumn)) {
return new TextRange(this.endLine, this.endColumn, this.startLine, this.startColumn);
}
return this.clone();
}
/**
* @return {!TextRange}
*/
clone() {
return new TextRange(this.startLine, this.startColumn, this.endLine, this.endColumn);
}
/**
* @return {!{startLine: number, startColumn: number, endLine: number, endColumn: number}}
*/
serializeToObject() {
const serializedTextRange = {};
serializedTextRange.startLine = this.startLine;
serializedTextRange.startColumn = this.startColumn;
serializedTextRange.endLine = this.endLine;
serializedTextRange.endColumn = this.endColumn;
return serializedTextRange;
}
/**
* @param {!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 {!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 {!TextRange}
*/
relativeTo(line, column) {
const 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 {number} line
* @param {number} column
* @return {!TextRange}
*/
relativeFrom(line, column) {
const relative = this.clone();
if (this.startLine === 0) {
relative.startColumn += column;
}
if (this.endLine === 0) {
relative.endColumn += column;
}
relative.startLine += line;
relative.endLine += line;
return relative;
}
/**
* @param {!TextRange} originalRange
* @param {!TextRange} editedRange
* @return {!TextRange}
*/
rebaseAfterTextEdit(originalRange, editedRange) {
console.assert(originalRange.startLine === editedRange.startLine);
console.assert(originalRange.startColumn === editedRange.startColumn);
const rebase = this.clone();
if (!this.follows(originalRange)) {
return rebase;
}
const lineDelta = editedRange.endLine - originalRange.endLine;
const 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;
}
}
export class SourceRange {
/**
* @param {number} offset
* @param {number} length
*/
constructor(offset, length) {
this.offset = offset;
this.length = length;
}
}
export class SourceEdit {
/**
* @param {string} sourceURL
* @param {!TextRange} oldRange
* @param {string} newText
*/
constructor(sourceURL, oldRange, newText) {
this.sourceURL = sourceURL;
this.oldRange = oldRange;
this.newText = newText;
}
/**
* @param {!SourceEdit} edit1
* @param {!SourceEdit} edit2
* @return {number}
*/
static comparator(edit1, edit2) {
return TextRange.comparator(edit1.oldRange, edit2.oldRange);
}
/**
* @return {!TextRange}
*/
newRange() {
return TextRange.fromEdit(this.oldRange, this.newText);
}
}