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Diffstat (limited to 'src/util/talerconfig.ts')
-rw-r--r-- | src/util/talerconfig.ts | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/src/util/talerconfig.ts b/src/util/talerconfig.ts deleted file mode 100644 index ec08c352f..000000000 --- a/src/util/talerconfig.ts +++ /dev/null @@ -1,120 +0,0 @@ -/* - This file is part of GNU Taler - (C) 2020 Taler Systems S.A. - - GNU Taler 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, or (at your option) any later version. - - GNU Taler 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 - GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/> - */ - -/** - * Utilities to handle Taler-style configuration files. - * - * @author Florian Dold <dold@taler.net> - */ - -/** - * Imports - */ -import { AmountJson } from "./amounts"; -import * as Amounts from "./amounts"; - -export class ConfigError extends Error { - constructor(message: string) { - super(); - Object.setPrototypeOf(this, ConfigError.prototype); - this.name = "ConfigError"; - this.message = message; - } -} - -type OptionMap = { [optionName: string]: string }; -type SectionMap = { [sectionName: string]: OptionMap }; - -export class ConfigValue<T> { - constructor( - private sectionName: string, - private optionName: string, - private val: string | undefined, - private converter: (x: string) => T, - ) {} - - required(): T { - if (!this.val) { - throw new ConfigError( - `required option [${this.sectionName}]/${this.optionName} not found`, - ); - } - return this.converter(this.val); - } -} - -export class Configuration { - private sectionMap: SectionMap = {}; - - loadFromString(s: string): void { - const reComment = /^\s*#.*$/; - const reSection = /^\s*\[\s*([^\]]*)\s*\]\s*$/; - const reParam = /^\s*([^=]+?)\s*=\s*(.*?)\s*$/; - const reEmptyLine = /^\s*$/; - - let currentSection: string | undefined = undefined; - - const lines = s.split("\n"); - for (const line of lines) { - console.log("parsing line", JSON.stringify(line)); - if (reEmptyLine.test(line)) { - continue; - } - if (reComment.test(line)) { - continue; - } - const secMatch = line.match(reSection); - if (secMatch) { - currentSection = secMatch[1]; - console.log("setting section to", currentSection); - continue; - } - if (currentSection === undefined) { - throw Error("invalid configuration, expected section header"); - } - const paramMatch = line.match(reParam); - if (paramMatch) { - const optName = paramMatch[1]; - let val = paramMatch[2]; - if (val.startsWith('"') && val.endsWith('"')) { - val = val.slice(1, val.length - 1); - } - const sec = this.sectionMap[currentSection] ?? {}; - this.sectionMap[currentSection] = Object.assign(sec, { - [optName]: val, - }); - continue; - } - throw Error( - "invalid configuration, expected section header or option assignment", - ); - } - - console.log("parsed config", JSON.stringify(this.sectionMap, undefined, 2)); - } - - getString(section: string, option: string): ConfigValue<string> { - const val = (this.sectionMap[section] ?? {})[option]; - return new ConfigValue(section, option, val, (x) => x); - } - - getAmount(section: string, option: string): ConfigValue<AmountJson> { - const val = (this.sectionMap[section] ?? {})[option]; - return new ConfigValue(section, option, val, (x) => - Amounts.parseOrThrow(x), - ); - } -} |