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privacy.sexy/src/application/Parser/ScriptingDefinition/CodeSubstituter.ts

34 lines
1.6 KiB
TypeScript

import { IExpressionsCompiler, ParameterValueDictionary } from '@/application/Parser/Script/Compiler/Expressions/IExpressionsCompiler';
import { ParameterSubstitutionParser } from '@/application/Parser/Script/Compiler/Expressions/SyntaxParsers/ParameterSubstitutionParser';
import { CompositeExpressionParser } from '@/application/Parser/Script/Compiler/Expressions/Parser/CompositeExpressionParser';
import { ExpressionsCompiler } from '@/application/Parser/Script/Compiler/Expressions/ExpressionsCompiler';
import { IProjectInformation } from '@/domain/IProjectInformation';
import { ICodeSubstituter } from './ICodeSubstituter';
export class CodeSubstituter implements ICodeSubstituter {
constructor(
private readonly compiler: IExpressionsCompiler = createSubstituteCompiler(),
private readonly date = new Date(),
) {
}
public substitute(code: string, info: IProjectInformation): string {
if (!code) { throw new Error('undefined code'); }
if (!info) { throw new Error('undefined info'); }
const parameters: ParameterValueDictionary = {
homepage: info.homepage,
version: info.version,
date: this.date.toUTCString(),
};
const compiledCode = this.compiler.compileExpressions(code, parameters);
return compiledCode;
}
}
function createSubstituteCompiler(): IExpressionsCompiler {
const parsers = [ new ParameterSubstitutionParser() ];
const parser = new CompositeExpressionParser(parsers);
const expressionCompiler = new ExpressionsCompiler(parser);
return expressionCompiler;
}