lib/formatters/base.ts

// Copyright (c) 2021, Compiler Explorer Authors
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import {UnprocessedExecResult} from '../../types/execution/execution.interfaces';
import * as exec from '../exec';

import {FormatOptions, FormatterInfo} from './base.interfaces';

export abstract class BaseFormatter {
    public formatterInfo: FormatterInfo;

    public constructor(formatterInfo: FormatterInfo) {
        this.formatterInfo = formatterInfo;
    }

    /**
     * Format the provided source code using the formatting tool.
     *
     * This method should construct the command line arguments and call the formatter executable with the constructed
     * arguments, returning the execution result
     */
    async format(source: string, options: FormatOptions): Promise<UnprocessedExecResult> {
        const args = [`--style=${options.baseStyle}`];
        return await exec.execute(this.formatterInfo.exe, args, {input: source});
    }

    /**
     * Test if a formatting base style is valid for this formatter
     */
    isValidStyle(style: string): boolean {
        return this.formatterInfo.styles.includes(style);
    }
}