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authortoasted-nutbread <toasted-nutbread@users.noreply.github.com>2020-10-07 18:31:28 -0400
committerGitHub <noreply@github.com>2020-10-07 18:31:28 -0400
commitbbb534eff5ce2034eb0d4f17239842831cdbc2d7 (patch)
treef2b88e23e62a809e5873e977008126c41005624f /ext/fg/js/source.js
parent1a91935dd75c59951369cdb7f48950124ad9bdee (diff)
Split source.js into two files (#894)
Diffstat (limited to 'ext/fg/js/source.js')
-rw-r--r--ext/fg/js/source.js264
1 files changed, 0 insertions, 264 deletions
diff --git a/ext/fg/js/source.js b/ext/fg/js/source.js
deleted file mode 100644
index 70f14179..00000000
--- a/ext/fg/js/source.js
+++ /dev/null
@@ -1,264 +0,0 @@
-/*
- * Copyright (C) 2016-2020 Yomichan Authors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- */
-
-/* global
- * DOMTextScanner
- */
-
-/*
- * TextSourceRange
- */
-
-class TextSourceRange {
- constructor(range, content, imposterContainer, imposterSourceElement) {
- this.range = range;
- this.rangeStartOffset = range.startOffset;
- this.content = content;
- this.imposterContainer = imposterContainer;
- this.imposterSourceElement = imposterSourceElement;
- }
-
- get startOffset() {
- return this.range.startOffset;
- }
-
- get endOffset() {
- return this.range.endOffset;
- }
-
- clone() {
- return new TextSourceRange(this.range.cloneRange(), this.content, this.imposterContainer, this.imposterSourceElement);
- }
-
- cleanup() {
- if (this.imposterContainer !== null && this.imposterContainer.parentNode !== null) {
- this.imposterContainer.parentNode.removeChild(this.imposterContainer);
- }
- }
-
- text() {
- return this.content;
- }
-
- setEndOffset(length, layoutAwareScan, fromEnd=false) {
- const state = (
- fromEnd ?
- new DOMTextScanner(this.range.endContainer, this.range.endOffset, !layoutAwareScan, layoutAwareScan).seek(length) :
- new DOMTextScanner(this.range.startContainer, this.range.startOffset, !layoutAwareScan, layoutAwareScan).seek(length)
- );
- this.range.setEnd(state.node, state.offset);
- this.content = (fromEnd ? this.content + state.content : state.content);
- return length - state.remainder;
- }
-
- setStartOffset(length, layoutAwareScan) {
- const state = new DOMTextScanner(this.range.startContainer, this.range.startOffset, !layoutAwareScan, layoutAwareScan).seek(-length);
- this.range.setStart(state.node, state.offset);
- this.rangeStartOffset = this.range.startOffset;
- this.content = state.content + this.content;
- return length - state.remainder;
- }
-
- getRect() {
- return this.range.getBoundingClientRect();
- }
-
- getWritingMode() {
- return TextSourceRange.getElementWritingMode(TextSourceRange.getParentElement(this.range.startContainer));
- }
-
- select() {
- const selection = window.getSelection();
- selection.removeAllRanges();
- selection.addRange(this.range);
- }
-
- deselect() {
- const selection = window.getSelection();
- selection.removeAllRanges();
- }
-
- equals(other) {
- if (!(
- typeof other === 'object' &&
- other !== null &&
- other instanceof TextSourceRange
- )) {
- return false;
- }
- if (this.imposterSourceElement !== null) {
- return (
- this.imposterSourceElement === other.imposterSourceElement &&
- this.rangeStartOffset === other.rangeStartOffset
- );
- } else {
- try {
- return this.range.compareBoundaryPoints(Range.START_TO_START, other.range) === 0;
- } catch (e) {
- if (e.name === 'WrongDocumentError') {
- // This can happen with shadow DOMs if the ranges are in different documents.
- return false;
- }
- throw e;
- }
- }
- }
-
- static getParentElement(node) {
- while (node !== null && node.nodeType !== Node.ELEMENT_NODE) {
- node = node.parentNode;
- }
- return node;
- }
-
- static getElementWritingMode(element) {
- if (element !== null) {
- const style = window.getComputedStyle(element);
- const writingMode = style.writingMode;
- if (typeof writingMode === 'string') {
- return TextSourceRange.normalizeWritingMode(writingMode);
- }
- }
- return 'horizontal-tb';
- }
-
- static normalizeWritingMode(writingMode) {
- switch (writingMode) {
- case 'lr':
- case 'lr-tb':
- case 'rl':
- return 'horizontal-tb';
- case 'tb':
- return 'vertical-lr';
- case 'tb-rl':
- return 'vertical-rl';
- default:
- return writingMode;
- }
- }
-}
-
-
-/*
- * TextSourceElement
- */
-
-class TextSourceElement {
- constructor(element, fullContent=null, startOffset=0, endOffset=0) {
- this._element = element;
- this._fullContent = (typeof fullContent === 'string' ? fullContent : TextSourceElement.getElementContent(element));
- this._startOffset = startOffset;
- this._endOffset = endOffset;
- this._content = this._fullContent.substring(this._startOffset, this._endOffset);
- }
-
- get element() {
- return this._element;
- }
-
- get fullContent() {
- return this._fullContent;
- }
-
- get startOffset() {
- return this._startOffset;
- }
-
- get endOffset() {
- return this._endOffset;
- }
-
- clone() {
- return new TextSourceElement(this._element, this._fullContent, this._startOffset, this._endOffset);
- }
-
- cleanup() {
- // NOP
- }
-
- text() {
- return this._content;
- }
-
- setEndOffset(length, fromEnd=false) {
- if (fromEnd) {
- const delta = Math.min(this._fullContent.length - this._endOffset, length);
- this._endOffset += delta;
- this._content = this._fullContent.substring(this._startOffset, this._endOffset);
- return delta;
- } else {
- const delta = Math.min(this._fullContent.length - this._startOffset, length);
- this._endOffset = this._startOffset + delta;
- this._content = this._fullContent.substring(this._startOffset, this._endOffset);
- return delta;
- }
- }
-
- setStartOffset(length) {
- const delta = Math.min(this._startOffset, length);
- this._startOffset -= delta;
- this._content = this._fullContent.substring(this._startOffset, this._endOffset);
- return delta;
- }
-
- getRect() {
- return this._element.getBoundingClientRect();
- }
-
- getWritingMode() {
- return 'horizontal-tb';
- }
-
- select() {
- // NOP
- }
-
- deselect() {
- // NOP
- }
-
- equals(other) {
- return (
- typeof other === 'object' &&
- other !== null &&
- other instanceof TextSourceElement &&
- this._element === other.element &&
- this._fullContent === other.fullContent &&
- this._startOffset === other.startOffset
- );
- }
-
- static getElementContent(element) {
- let content;
- switch (element.nodeName.toUpperCase()) {
- case 'BUTTON':
- content = element.textContent;
- break;
- case 'IMG':
- content = element.getAttribute('alt') || '';
- break;
- default:
- content = `${element.value}`;
- break;
- }
-
- // Remove zero-width non-joiner
- content = content.replace(/\u200c/g, '');
-
- return content;
- }
-}