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-rw-r--r--ext/bg/js/template-patcher.js92
1 files changed, 0 insertions, 92 deletions
diff --git a/ext/bg/js/template-patcher.js b/ext/bg/js/template-patcher.js
deleted file mode 100644
index 57178957..00000000
--- a/ext/bg/js/template-patcher.js
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- * Copyright (C) 2021 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/>.
- */
-
-class TemplatePatcher {
- constructor() {
- this._diffPattern1 = /\n?\{\{<<<<<<<\}\}\n/g;
- this._diffPattern2 = /\n\{\{=======\}\}\n/g;
- this._diffPattern3 = /\n\{\{>>>>>>>\}\}\n*/g;
- this._lookupMarkerPattern = /[ \t]*\{\{~?>\s*\(\s*lookup\s*\.\s*"marker"\s*\)\s*~?\}\}/g;
- }
-
- parsePatch(content) {
- const diffPattern1 = this._diffPattern1;
- const diffPattern2 = this._diffPattern2;
- const diffPattern3 = this._diffPattern3;
- const modifications = [];
- let index = 0;
-
- while (true) {
- // Find modification boundaries
- diffPattern1.lastIndex = index;
- const m1 = diffPattern1.exec(content);
- if (m1 === null) { break; }
-
- diffPattern2.lastIndex = m1.index + m1[0].length;
- const m2 = diffPattern2.exec(content);
- if (m2 === null) { break; }
-
- diffPattern3.lastIndex = m2.index + m2[0].length;
- const m3 = diffPattern3.exec(content);
- if (m3 === null) { break; }
-
- // Construct
- const current = content.substring(m1.index + m1[0].length, m2.index);
- const replacement = content.substring(m2.index + m2[0].length, m3.index);
-
- if (current.length > 0) {
- modifications.push({current, replacement});
- }
-
- // Update
- content = content.substring(0, m1.index) + content.substring(m3.index + m3[0].length);
- index = m1.index;
- }
-
- return {addition: content, modifications};
- }
-
- applyPatch(template, patch) {
- for (const {current, replacement} of patch.modifications) {
- let fromIndex = 0;
- while (true) {
- const index = template.indexOf(current, fromIndex);
- if (index < 0) { break; }
- template = template.substring(0, index) + replacement + template.substring(index + current.length);
- fromIndex = index + replacement.length;
- }
- }
- template = this._addFieldTemplatesBeforeEnd(template, patch.addition);
- return template;
- }
-
- // Private
-
- _addFieldTemplatesBeforeEnd(template, addition) {
- const newline = '\n';
- let replaced = false;
- template = template.replace(this._lookupMarkerPattern, (g0) => {
- replaced = true;
- return `${addition}${newline}${g0}`;
- });
- if (!replaced) {
- template += newline;
- template += addition;
- }
- return template;
- }
-}