package org.simantics.scl.compiler.tests.completions;

import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.charset.Charset;

import org.junit.Test;
import org.simantics.scl.compiler.completions.parsing.ModuleSegment;
import org.simantics.scl.compiler.completions.parsing.RobustModuleSplitter;

public class TestRobustModuleSplitter {
    private String readSource(String name) throws IOException {
        InputStreamReader reader = new InputStreamReader(
                TestRobustModuleSplitter.class.getResourceAsStream(name),
                Charset.forName("UTF-8"));
        StringBuilder b = new StringBuilder();
        while(true) {
            int c = reader.read();
            if(c < 0)
                break;
            b.append((char)c);
        }
        return b.toString();
    }
    
    @Test
    public void example1() throws IOException {
        String sourceText = readSource("SplittingExample1.scl");
        for(ModuleSegment segment : RobustModuleSplitter.split(sourceText)) {
            System.out.println("---- ("+segment.parenthesesBalance+") ----------------------------------------------");
            System.out.println(sourceText.substring(segment.begin, segment.end).trim());
        }
    }
}