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import { CODE_LANGUAGES } from "./languages"; |
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import { CodeBlock, SupportedEnvironment } from "./types"; |
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/** Basic code parsers */ |
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const BASIC_PARSER = ( |
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code: string, |
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handleOtherElements: ((code: string) => CodeBlock[]) | null |
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) => { |
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const parsedCode: { code: string; color: string | null }[] = []; |
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code.split(/(\'.+?\')/g).forEach((codeBlock, codeIndex) => { |
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if (codeIndex % 2 !== 0) { |
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parsedCode.push({ |
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code: codeBlock, |
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color: CODE_LANGUAGES.common.STRING, |
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}); |
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} else { |
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codeBlock.split(/(\".+?\")/g).forEach((codeMicroPart, index) => { |
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if (index % 2 !== 0) { |
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parsedCode.push({ |
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code: codeMicroPart, |
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color: CODE_LANGUAGES.common.STRING, |
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}); |
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} else { |
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/* istanbul ignore next */ |
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if (handleOtherElements) { |
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handleOtherElements(codeMicroPart).forEach((element) => |
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parsedCode.push(element) |
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); |
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} else { |
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parsedCode.push({ |
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code: codeMicroPart, |
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color: null, |
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}); |
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} |
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} |
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}); |
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} |
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}); |
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return parsedCode; |
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}; |
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const PARSERS: Record< |
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SupportedEnvironment, |
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((code: string) => CodeBlock[]) | null |
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> = { |
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javascript: null, |
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common: null, |
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python: null, |
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terminal: null, |
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}; |
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const getHighlightedCode = ( |
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code: CodeBlock[], |
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environment: SupportedEnvironment |
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) => { |
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let actualEnv = environment; |
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let splittedCode: CodeBlock<string>[] = []; |
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code |
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.filter((part) => part.code.length > 0) |
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.forEach((codeBlock) => { |
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if (!codeBlock.color) { |
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codeBlock.code.split(" ").forEach((subCodeBlock) => { |
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splittedCode.push({ |
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color: |
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CODE_LANGUAGES[actualEnv][subCodeBlock] || |
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CODE_LANGUAGES.common[subCodeBlock] || |
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CODE_LANGUAGES.common.DEFAULT_VALUE, |
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code: `${subCodeBlock} `, |
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}); |
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}); |
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} else { |
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splittedCode.push(codeBlock); |
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} |
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}); |
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return splittedCode; |
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}; |
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/** Parse the given code, and return it splitted into multiple code blocks, with specific highlight color for each block |
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* |
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* @param code code to parse |
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* @param environment selected environment, the highlight colors are based on it (default to `terminal`) |
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* |
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* @author Cataldo Cianciaruso <https://github.com/CianciarusoCataldo> |
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* |
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* @copyright 2022 Cataldo Cianciaruso |
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*/ |
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export const parseCode = (code: string, environment: SupportedEnvironment) => { |
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return getHighlightedCode( |
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BASIC_PARSER(code, PARSERS[environment]), |
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environment |
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); |
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}; |
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CianciarusoCataldo /
modular-ui
