2020-06-16 00:11:54 +00:00
|
|
|
/*
|
|
|
|
* 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
|
|
|
|
* Handlebars
|
|
|
|
* jp
|
|
|
|
*/
|
|
|
|
|
|
|
|
class TemplateRenderer {
|
|
|
|
constructor() {
|
|
|
|
this._cache = new Map();
|
|
|
|
this._cacheMaxSize = 5;
|
|
|
|
this._helpersRegistered = false;
|
2020-07-31 20:17:58 +00:00
|
|
|
this._stateStack = null;
|
2020-06-16 00:11:54 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
async render(template, data) {
|
|
|
|
if (!this._helpersRegistered) {
|
|
|
|
this._registerHelpers();
|
|
|
|
this._helpersRegistered = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
const cache = this._cache;
|
|
|
|
let instance = cache.get(template);
|
|
|
|
if (typeof instance === 'undefined') {
|
|
|
|
this._updateCacheSize(this._cacheMaxSize - 1);
|
|
|
|
instance = Handlebars.compile(template);
|
|
|
|
cache.set(template, instance);
|
|
|
|
}
|
|
|
|
|
2020-07-31 20:17:58 +00:00
|
|
|
try {
|
|
|
|
this._stateStack = [new Map()];
|
|
|
|
return instance(data).trim();
|
|
|
|
} finally {
|
|
|
|
this._stateStack = null;
|
|
|
|
}
|
2020-06-16 00:11:54 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// Private
|
|
|
|
|
|
|
|
_updateCacheSize(maxSize) {
|
|
|
|
const cache = this._cache;
|
|
|
|
let removeCount = cache.size - maxSize;
|
|
|
|
if (removeCount <= 0) { return; }
|
|
|
|
|
|
|
|
for (const key of cache.keys()) {
|
|
|
|
cache.delete(key);
|
|
|
|
if (--removeCount <= 0) { break; }
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
_registerHelpers() {
|
|
|
|
Handlebars.partials = Handlebars.templates;
|
|
|
|
|
|
|
|
const helpers = [
|
|
|
|
['dumpObject', this._dumpObject.bind(this)],
|
|
|
|
['furigana', this._furigana.bind(this)],
|
|
|
|
['furiganaPlain', this._furiganaPlain.bind(this)],
|
|
|
|
['kanjiLinks', this._kanjiLinks.bind(this)],
|
|
|
|
['multiLine', this._multiLine.bind(this)],
|
|
|
|
['sanitizeCssClass', this._sanitizeCssClass.bind(this)],
|
|
|
|
['regexReplace', this._regexReplace.bind(this)],
|
|
|
|
['regexMatch', this._regexMatch.bind(this)],
|
2020-07-26 20:50:56 +00:00
|
|
|
['mergeTags', this._mergeTags.bind(this)],
|
2020-07-31 20:17:58 +00:00
|
|
|
['eachUpTo', this._eachUpTo.bind(this)],
|
|
|
|
['spread', this._spread.bind(this)],
|
|
|
|
['op', this._op.bind(this)],
|
|
|
|
['get', this._get.bind(this)],
|
|
|
|
['set', this._set.bind(this)],
|
|
|
|
['scope', this._scope.bind(this)],
|
|
|
|
['isMoraPitchHigh', this._isMoraPitchHigh.bind(this)]
|
2020-06-16 00:11:54 +00:00
|
|
|
];
|
|
|
|
|
|
|
|
for (const [name, helper] of helpers) {
|
2020-06-29 23:02:35 +00:00
|
|
|
this._registerHelper(name, helper);
|
2020-06-16 00:11:54 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-06-29 23:02:35 +00:00
|
|
|
_registerHelper(name, helper) {
|
|
|
|
function wrapper(...args) {
|
|
|
|
return helper(this, ...args);
|
|
|
|
}
|
|
|
|
Handlebars.registerHelper(name, wrapper);
|
|
|
|
}
|
|
|
|
|
2020-06-16 00:11:54 +00:00
|
|
|
_escape(text) {
|
|
|
|
return Handlebars.Utils.escapeExpression(text);
|
|
|
|
}
|
|
|
|
|
2020-06-29 23:02:35 +00:00
|
|
|
_dumpObject(context, options) {
|
|
|
|
const dump = JSON.stringify(options.fn(context), null, 4);
|
2020-06-16 00:11:54 +00:00
|
|
|
return this._escape(dump);
|
|
|
|
}
|
|
|
|
|
2020-06-29 23:02:35 +00:00
|
|
|
_furigana(context, options) {
|
|
|
|
const definition = options.fn(context);
|
2020-06-16 00:11:54 +00:00
|
|
|
const segs = jp.distributeFurigana(definition.expression, definition.reading);
|
|
|
|
|
|
|
|
let result = '';
|
|
|
|
for (const seg of segs) {
|
|
|
|
if (seg.furigana) {
|
|
|
|
result += `<ruby>${seg.text}<rt>${seg.furigana}</rt></ruby>`;
|
|
|
|
} else {
|
|
|
|
result += seg.text;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
2020-06-29 23:02:35 +00:00
|
|
|
_furiganaPlain(context, options) {
|
|
|
|
const definition = options.fn(context);
|
2020-06-16 00:11:54 +00:00
|
|
|
const segs = jp.distributeFurigana(definition.expression, definition.reading);
|
|
|
|
|
|
|
|
let result = '';
|
|
|
|
for (const seg of segs) {
|
|
|
|
if (seg.furigana) {
|
|
|
|
result += ` ${seg.text}[${seg.furigana}]`;
|
|
|
|
} else {
|
|
|
|
result += seg.text;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return result.trimLeft();
|
|
|
|
}
|
|
|
|
|
2020-06-29 23:02:35 +00:00
|
|
|
_kanjiLinks(context, options) {
|
2020-06-16 00:11:54 +00:00
|
|
|
let result = '';
|
2020-06-29 23:02:35 +00:00
|
|
|
for (const c of options.fn(context)) {
|
2020-06-16 00:11:54 +00:00
|
|
|
if (jp.isCodePointKanji(c.codePointAt(0))) {
|
|
|
|
result += `<a href="#" class="kanji-link">${c}</a>`;
|
|
|
|
} else {
|
|
|
|
result += c;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
2020-06-29 23:02:35 +00:00
|
|
|
_multiLine(context, options) {
|
|
|
|
return options.fn(context).split('\n').join('<br>');
|
2020-06-16 00:11:54 +00:00
|
|
|
}
|
|
|
|
|
2020-06-29 23:02:35 +00:00
|
|
|
_sanitizeCssClass(context, options) {
|
|
|
|
return options.fn(context).replace(/[^_a-z0-9\u00a0-\uffff]/ig, '_');
|
2020-06-16 00:11:54 +00:00
|
|
|
}
|
|
|
|
|
2020-06-29 23:02:35 +00:00
|
|
|
_regexReplace(context, ...args) {
|
2020-06-16 00:11:54 +00:00
|
|
|
// Usage:
|
|
|
|
// {{#regexReplace regex string [flags]}}content{{/regexReplace}}
|
|
|
|
// regex: regular expression string
|
|
|
|
// string: string to replace
|
|
|
|
// flags: optional flags for regular expression
|
|
|
|
// e.g. "i" for case-insensitive, "g" for replace all
|
2020-06-29 23:02:35 +00:00
|
|
|
let value = args[args.length - 1].fn(context);
|
2020-06-16 00:11:54 +00:00
|
|
|
if (args.length >= 3) {
|
|
|
|
try {
|
|
|
|
const flags = args.length > 3 ? args[2] : 'g';
|
|
|
|
const regex = new RegExp(args[0], flags);
|
|
|
|
value = value.replace(regex, args[1]);
|
|
|
|
} catch (e) {
|
|
|
|
return `${e}`;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return value;
|
|
|
|
}
|
|
|
|
|
2020-06-29 23:02:35 +00:00
|
|
|
_regexMatch(context, ...args) {
|
2020-06-16 00:11:54 +00:00
|
|
|
// Usage:
|
|
|
|
// {{#regexMatch regex [flags]}}content{{/regexMatch}}
|
|
|
|
// regex: regular expression string
|
|
|
|
// flags: optional flags for regular expression
|
|
|
|
// e.g. "i" for case-insensitive, "g" for match all
|
2020-06-29 23:02:35 +00:00
|
|
|
let value = args[args.length - 1].fn(context);
|
2020-06-16 00:11:54 +00:00
|
|
|
if (args.length >= 2) {
|
|
|
|
try {
|
|
|
|
const flags = args.length > 2 ? args[1] : '';
|
|
|
|
const regex = new RegExp(args[0], flags);
|
|
|
|
const parts = [];
|
|
|
|
value.replace(regex, (g0) => parts.push(g0));
|
|
|
|
value = parts.join('');
|
|
|
|
} catch (e) {
|
|
|
|
return `${e}`;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return value;
|
|
|
|
}
|
|
|
|
|
2020-06-29 23:02:35 +00:00
|
|
|
_mergeTags(context, object, isGroupMode, isMergeMode) {
|
2020-06-16 00:11:54 +00:00
|
|
|
const tagSources = [];
|
|
|
|
if (isGroupMode || isMergeMode) {
|
|
|
|
for (const definition of object.definitions) {
|
|
|
|
tagSources.push(definition.definitionTags);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
tagSources.push(object.definitionTags);
|
|
|
|
}
|
|
|
|
|
|
|
|
const tags = new Set();
|
|
|
|
for (const tagSource of tagSources) {
|
|
|
|
for (const tag of tagSource) {
|
|
|
|
tags.add(tag.name);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return [...tags].join(', ');
|
|
|
|
}
|
2020-07-26 20:50:56 +00:00
|
|
|
|
|
|
|
_eachUpTo(context, iterable, maxCount, options) {
|
|
|
|
if (iterable) {
|
|
|
|
const results = [];
|
|
|
|
let any = false;
|
|
|
|
for (const entry of iterable) {
|
|
|
|
any = true;
|
|
|
|
if (results.length >= maxCount) { break; }
|
|
|
|
const processedEntry = options.fn(entry);
|
|
|
|
results.push(processedEntry);
|
|
|
|
}
|
|
|
|
if (any) {
|
|
|
|
return results.join('');
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return options.inverse(context);
|
|
|
|
}
|
2020-07-31 20:17:58 +00:00
|
|
|
|
|
|
|
_spread(context, ...args) {
|
|
|
|
const result = [];
|
|
|
|
for (let i = 0, ii = args.length - 1; i < ii; ++i) {
|
|
|
|
try {
|
|
|
|
result.push(...args[i]);
|
|
|
|
} catch (e) {
|
|
|
|
// NOP
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
_op(context, ...args) {
|
|
|
|
switch (args.length) {
|
|
|
|
case 3: return this._evaluateUnaryExpression(args[0], args[1]);
|
|
|
|
case 4: return this._evaluateBinaryExpression(args[0], args[1], args[2]);
|
|
|
|
case 5: return this._evaluateTernaryExpression(args[0], args[1], args[2], args[3]);
|
|
|
|
default: return void 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
_evaluateUnaryExpression(operator, operand1) {
|
|
|
|
switch (operator) {
|
|
|
|
case '+': return +operand1;
|
|
|
|
case '-': return -operand1;
|
|
|
|
case '~': return ~operand1;
|
|
|
|
case '!': return !operand1;
|
|
|
|
default: return void 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
_evaluateBinaryExpression(operator, operand1, operand2) {
|
|
|
|
switch (operator) {
|
|
|
|
case '+': return operand1 + operand2;
|
|
|
|
case '-': return operand1 - operand2;
|
|
|
|
case '/': return operand1 / operand2;
|
|
|
|
case '*': return operand1 * operand2;
|
|
|
|
case '%': return operand1 % operand2;
|
|
|
|
case '**': return operand1 ** operand2;
|
|
|
|
case '==': return operand1 == operand2; // eslint-disable-line eqeqeq
|
|
|
|
case '!=': return operand1 != operand2; // eslint-disable-line eqeqeq
|
|
|
|
case '===': return operand1 === operand2;
|
|
|
|
case '!==': return operand1 !== operand2;
|
|
|
|
case '<': return operand1 < operand2;
|
|
|
|
case '<=': return operand1 <= operand2;
|
|
|
|
case '>': return operand1 > operand2;
|
|
|
|
case '>=': return operand1 >= operand2;
|
|
|
|
case '<<': return operand1 << operand2;
|
|
|
|
case '>>': return operand1 >> operand2;
|
|
|
|
case '>>>': return operand1 >>> operand2;
|
|
|
|
case '&': return operand1 & operand2;
|
|
|
|
case '|': return operand1 | operand2;
|
|
|
|
case '^': return operand1 ^ operand2;
|
|
|
|
case '&&': return operand1 && operand2;
|
|
|
|
case '||': return operand1 || operand2;
|
|
|
|
default: return void 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
_evaluateTernaryExpression(operator, operand1, operand2, operand3) {
|
|
|
|
switch (operator) {
|
|
|
|
case '?:': return operand1 ? operand2 : operand3;
|
|
|
|
default: return void 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
_get(context, key) {
|
|
|
|
for (let i = this._stateStack.length; --i >= 0;) {
|
|
|
|
const map = this._stateStack[i];
|
|
|
|
if (map.has(key)) {
|
|
|
|
return map.get(key);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return void 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
_set(context, ...args) {
|
|
|
|
switch (args.length) {
|
|
|
|
case 2:
|
|
|
|
{
|
|
|
|
const [key, options] = args;
|
|
|
|
const value = options.fn(context);
|
|
|
|
this._stateStack[this._stateStack.length - 1].set(key, value);
|
|
|
|
return value;
|
|
|
|
}
|
|
|
|
case 3:
|
|
|
|
{
|
|
|
|
const [key, value] = args;
|
|
|
|
this._stateStack[this._stateStack.length - 1].set(key, value);
|
|
|
|
return value;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
return void 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
_scope(context, options) {
|
|
|
|
try {
|
|
|
|
this._stateStack.push(new Map());
|
|
|
|
return options.fn(context);
|
|
|
|
} finally {
|
|
|
|
if (this._stateStack.length > 1) {
|
|
|
|
this._stateStack.pop();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
_isMoraPitchHigh(context, position, index) {
|
|
|
|
return jp.isMoraPitchHigh(index, position);
|
|
|
|
}
|
2020-06-16 00:11:54 +00:00
|
|
|
}
|