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-rw-r--r--ext/js/general/regex-util.js12
-rw-r--r--ext/js/general/text-source-map.js153
2 files changed, 1 insertions, 164 deletions
diff --git a/ext/js/general/regex-util.js b/ext/js/general/regex-util.js
index e0982154..c633ec06 100644
--- a/ext/js/general/regex-util.js
+++ b/ext/js/general/regex-util.js
@@ -23,13 +23,12 @@ const matchReplacementPattern = /\$(?:\$|&|`|'|(\d\d?)|<([^>]*)>)/g;
* Applies string.replace using a regular expression and replacement string as arguments.
* A source map of the changes is also maintained.
* @param {string} text A string of the text to replace.
- * @param {import('./text-source-map.js').TextSourceMap} sourceMap An instance of `TextSourceMap` which corresponds to `text`.
* @param {RegExp} pattern A regular expression to use as the replacement.
* @param {string} replacement A replacement string that follows the format of the standard
* JavaScript regular expression replacement string.
* @returns {string} A new string with the pattern replacements applied and the source map updated.
*/
-export function applyTextReplacement(text, sourceMap, pattern, replacement) {
+export function applyTextReplacement(text, pattern, replacement) {
const isGlobal = pattern.global;
if (isGlobal) { pattern.lastIndex = 0; }
for (let loop = true; loop; loop = isGlobal) {
@@ -44,15 +43,6 @@ export function applyTextReplacement(text, sourceMap, pattern, replacement) {
text = `${text.substring(0, index)}${actualReplacement}${text.substring(index + matchText.length)}`;
pattern.lastIndex += delta;
-
- if (actualReplacementLength > 0) {
- /** @type {number[]} */
- const zeroes = new Array(actualReplacementLength).fill(0);
- sourceMap.insert(index, ...zeroes);
- sourceMap.combine(index - 1 + actualReplacementLength, matchText.length);
- } else {
- sourceMap.combine(index, matchText.length);
- }
}
return text;
}
diff --git a/ext/js/general/text-source-map.js b/ext/js/general/text-source-map.js
deleted file mode 100644
index 527c232b..00000000
--- a/ext/js/general/text-source-map.js
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
- * Copyright (C) 2023-2024 Yomitan Authors
- * Copyright (C) 2020-2022 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/>.
- */
-
-export class TextSourceMap {
- /**
- * @param {string} source
- * @param {number[]|null} [mapping=null]
- */
- constructor(source, mapping = null) {
- /** @type {string} */
- this._source = source;
- /** @type {?number[]} */
- this._mapping = (mapping !== null ? TextSourceMap.normalizeMapping(mapping) : null);
- }
-
- /** @type {string} */
- get source() {
- return this._source;
- }
-
- /**
- * @param {unknown} other
- * @returns {boolean}
- */
- equals(other) {
- if (this === other) {
- return true;
- }
-
- const source = this._source;
- if (!(other instanceof TextSourceMap && source === other.source)) {
- return false;
- }
-
- let mapping = this._mapping;
- let otherMapping = other.getMappingCopy();
- if (mapping === null) {
- if (otherMapping === null) {
- return true;
- }
- mapping = TextSourceMap.createMapping(source);
- } else if (otherMapping === null) {
- otherMapping = TextSourceMap.createMapping(source);
- }
-
- const mappingLength = mapping.length;
- if (mappingLength !== otherMapping.length) {
- return false;
- }
-
- for (let i = 0; i < mappingLength; ++i) {
- if (mapping[i] !== otherMapping[i]) {
- return false;
- }
- }
-
- return true;
- }
-
- /**
- * @param {number} finalLength
- * @returns {number}
- */
- getSourceLength(finalLength) {
- const mapping = this._mapping;
- if (mapping === null) {
- return finalLength;
- }
-
- let sourceLength = 0;
- for (let i = 0; i < finalLength; ++i) {
- sourceLength += mapping[i];
- }
- return sourceLength;
- }
-
- /**
- * @param {number} index
- * @param {number} count
- */
- combine(index, count) {
- if (count <= 0) { return; }
-
- if (this._mapping === null) {
- this._mapping = TextSourceMap.createMapping(this._source);
- }
-
- let sum = this._mapping[index];
- const parts = this._mapping.splice(index + 1, count);
- for (const part of parts) {
- sum += part;
- }
- this._mapping[index] = sum;
- }
-
- /**
- * @param {number} index
- * @param {number[]} items
- */
- insert(index, ...items) {
- if (this._mapping === null) {
- this._mapping = TextSourceMap.createMapping(this._source);
- }
-
- this._mapping.splice(index, 0, ...items);
- }
-
- /**
- * @returns {?number[]}
- */
- getMappingCopy() {
- return this._mapping !== null ? [...this._mapping] : null;
- }
-
- /**
- * @param {string} text
- * @returns {number[]}
- */
- static createMapping(text) {
- return new Array(text.length).fill(1);
- }
-
- /**
- * @param {number[]} mapping
- * @returns {number[]}
- */
- static normalizeMapping(mapping) {
- const result = [];
- for (const value of mapping) {
- result.push(
- (typeof value === 'number' && Number.isFinite(value)) ?
- Math.floor(value) :
- 0
- );
- }
- return result;
- }
-}