barreto / brackets-language-validator

An application identify a language composed by braces, brackets and parentheses

Brackets Language Validator

This is a project to analyze and solve if any word within the given alphabet are valid or not, according to their structure. The main goal is to create a compiler capable of receiving some filename and generating another with the necessary analysis.

Given alphabet:

Char 1: {
Char 2: [
Char 3: ( 
Char 4: )
Char 5: ]
Char 6: }

Yes, the alphabet is composed by braces, brackets and parentheses.

Validation Required

For each symbol you open, you must close, respecting the hierarchy of symbols that open and close within and around itself.

The mission

Part I

Read a text file and mark each line with "OK" or "Inválido":

Input example:

{[]}
([)]
[{()()}[]]
{}()[()]]
)[{}]()(
(()[)]

Output example:

{[]} - OK

([)] - Inválido

[{()()}[]] - OK

{}()[()]] - Inválido

)[{}]()( - Inválido

(()[)] - Inválido

Part II

Create a java program that receives a text file with code via the command line, something like this:

$ java prog.txt  

Output: prog-check.txt