UnphiMojo.java

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2016-2023 Objectionary.com
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
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 * furnished to do so, subject to the following conditions:
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 * The above copyright notice and this permission notice shall be included
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package org.eolang.maven;

import com.jcabi.log.Logger;
import com.jcabi.xml.XML;
import java.io.File;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.List;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.cactoos.experimental.Threads;
import org.cactoos.iterable.Mapped;
import org.cactoos.list.ListOf;
import org.cactoos.number.SumOf;
import org.cactoos.text.TextOf;
import org.eolang.maven.util.HmBase;
import org.eolang.maven.util.Home;
import org.eolang.maven.util.Walk;
import org.eolang.parser.PhiSyntax;

/**
 * Read PHI files and parse them to the XMIR.
 * @since 0.34.0
 */
@Mojo(
    name = "phi-to-xmir",
    defaultPhase = LifecyclePhase.PROCESS_SOURCES,
    threadSafe = true
)
public final class UnphiMojo extends SafeMojo {
    /**
     * The directory where to take phi files for parsing from.
     * @checkstyle MemberNameCheck (10 lines)
     */
    @Parameter(
        property = "unphiInputDir",
        required = true,
        defaultValue = "${project.build.directory}/eo/phi"
    )
    private File unphiInputDir;

    /**
     * The directory where to save xmir files to.
     * @checkstyle MemberNameCheck (10 lines)
     */
    @Parameter(
        property = "unphiOutputDir",
        required = true,
        defaultValue = "${project.build.directory}/eo/1-parse"
    )
    private File unphiOutputDir;

    @Override
    public void exec() {
        final List<Path> errors = new ListOf<>();
        final Home home = new HmBase(this.unphiOutputDir);
        final int count = new SumOf(
            new Threads<>(
                Runtime.getRuntime().availableProcessors(),
                new Mapped<>(
                    phi -> () -> {
                        final Path relative = this.unphiInputDir.toPath().relativize(phi);
                        final Path xmir = Paths.get(
                            relative.toString().replace(
                                String.format(".%s", PhiMojo.EXT),
                                String.format(".%s", TranspileMojo.EXT)
                            )
                        );
                        final XML parsed = new PhiSyntax(
                            phi.getFileName().toString().replace(".phi", ""),
                            new TextOf(phi)
                        ).parsed();
                        home.save(parsed.toString(), xmir);
                        Logger.info(
                            this,
                            "Parsed to xmir: %s -> %s",
                            phi, this.unphiOutputDir.toPath().resolve(xmir)
                        );
                        if (parsed.nodes("//errors[count(error)=0]").isEmpty()) {
                            errors.add(relative);
                        }
                        return 1;
                    },
                    new Walk(this.unphiInputDir.toPath())
                )
            )
        ).intValue();
        Logger.info(this, "Parsed %d phi files to xmir", count);
        if (!errors.isEmpty()) {
            throw new IllegalStateException(
                String.format(
                    "%d files with parsing errors were found: %s",
                    errors.size(),
                    Arrays.toString(errors.toArray())
                )
            );
        }
    }
}