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// Copyright (c) 2018, Compiler Explorer Authors
// 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.
//
// 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 HOLDER 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 {logger} from '../logger.js';
import {Cache} from './base.interfaces.js';
import {InMemoryCache} from './in-memory.js';
import {MultiCache} from './multi.js';
import {NullCache} from './null.js';
import {OnDiskCache} from './on-disk.js';
import {S3Cache} from './s3.js';
function paramInt(config: string, param: string): number {
const result = parseInt(param);
if (isNaN(result)) throw new Error(`Bad params: ${config}`);
return result;
}
function createInternal(name: string, config: string): Cache {
if (!config) {
return new NullCache(name);
}
const parts = config.split(';');
if (parts.length > 1) {
return new MultiCache(name, ...parts.map(part => createInternal(name, part)));
}
const match = config.match(/^([^(]+)\(([^)]+)\)$/);
if (!match) throw new Error(`Unable to parse '${config}'`);
const params = match[2].split(',');
switch (match[1]) {
case 'InMemory': {
if (params.length !== 1) throw new Error(`Bad params: ${config}`);
return new InMemoryCache(name, paramInt(config, params[0]));
}
case 'OnDisk': {
if (params.length !== 2) throw new Error(`Bad params: ${config}`);
return new OnDiskCache(name, params[0], paramInt(config, params[1]));
}
case 'S3': {
if (params.length !== 3) throw new Error(`Bad params: ${config}`);
return new S3Cache(name, params[0], params[1], params[2]);
}
default: {
throw new Error(`Unrecognised cache type '${match[1]}'`);
}
}
}
// Added some type casting to make cache-tests a little more typesafe
export function createCacheFromConfig<TCache extends Cache = Cache>(name: string, config: string): TCache {
const result = createInternal(name, config);
logger.info(`Created cache ${name} of type ${result.details}`);
return result as TCache;
}
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