/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */


#include <idlc.hxx>
#include <sal/main.h>

#include <string.h>

SAL_IMPLEMENT_MAIN_WITH_ARGS(argc, argv)
{
    std::vector< std::string > args;
    for (int i = 1; i < argc; i++)
    {
        if (!Options::checkArgument (args, argv[i], strlen(argv[i])))
            return 1;
    }

    Options options(argv[0]);
    sal_Int32 nErrors = 0;

    try
    {
        if (!options.initOptions(args))
           return 0;

        setIdlc(&options);

        if (options.readStdin()) {
            if ( !options.quiet() )
                fprintf(
                    stdout, "%s: Compiling stdin\n",
                    options.getProgramName().getStr());
            nErrors = compileFile(nullptr);
            if ( ( idlc()->getWarningCount() > 0 ) && !options.quiet() ) {
                fprintf(
                    stdout, "%s: detected %lu warnings compiling stdin\n",
                    options.getProgramName().getStr(),
                    sal::static_int_cast< unsigned long >(
                        idlc()->getWarningCount()));
            }
            OString outputUrl;
            if (options.isValid("-O")) {
                outputUrl = convertToFileUrl(options.getOption("-O"));
                if (!outputUrl.endsWith("/")) {
                    outputUrl += "/";
                }
                outputUrl += "stdin.urd";
            } else {
                outputUrl = convertToFileUrl("stdin.urd");
            }
            if (nErrors > 0) {
                removeIfExists(outputUrl);
            } else {
                nErrors = produceFile(outputUrl, nullptr);
            }
            idlc()->reset();
        }
        std::vector< OString > const & files = options.getInputFiles();
        if ( options.verbose() )
        {
            fprintf( stdout, "%s: compiling %i source files ... \n",
                options.getProgramName().getStr(), static_cast<int>(files.size()) );
            fflush( stdout );
        }
        for (auto const& elem : files)
        {
            if (nErrors)
                break;
            OString sysFileName( convertToAbsoluteSystemPath(elem) );

            if ( !options.quiet() )
                fprintf(stdout, "Compiling: %s\n", elem.getStr());
            nErrors = compileFile(&sysFileName);

            if ( idlc()->getWarningCount() && !options.quiet() )
                fprintf(stdout, "%s: detected %lu warnings compiling file '%s'\n",
                        options.getProgramName().getStr(),
                        sal::static_int_cast< unsigned long >(
                            idlc()->getWarningCount()),
                        elem.getStr());

            // prepare output file name
            OString const strippedFileName(
                    sysFileName.copy(sysFileName.lastIndexOf(SEPARATOR) + 1));
            OString outputFile;
            if ( options.isValid("-O") )
            {
                outputFile = options.getOption("-O");
                if (!outputFile.endsWith("/")) {
                    outputFile += OString('/');
                }
                outputFile += strippedFileName.replaceAt(
                        strippedFileName.getLength() -3 , 3, "urd");
            } else {
                outputFile =
                    sysFileName.replaceAt(sysFileName.getLength() -3 , 3, "urd");
            }
            OString const outputFileUrl = convertToFileUrl(outputFile);

            OString depFileUrl;
            if (options.isValid("-M")) {
                depFileUrl = convertToFileUrl(options.getOption("-M"));
                if (!depFileUrl.endsWith("/")) {
                    depFileUrl += "/";
                }
                depFileUrl += strippedFileName.replaceAt(
                        strippedFileName.getLength() -3 , 3, "d");
            }

            if ( nErrors ) {
                if (options.isValid("-M")) {
                    removeIfExists(depFileUrl);
                }
                removeIfExists(outputFileUrl);
            } else {
                sPair_t const pair(depFileUrl, outputFile);
                nErrors = produceFile(outputFileUrl,
                            (options.isValid("-M")) ? &pair : nullptr);
            }

            idlc()->reset();
        }

        if ( nErrors > 0 )
        {
            fprintf(stderr, "%s: detected %ld errors%s",
                options.getProgramName().getStr(),
                sal::static_int_cast< long >(nErrors),
                options.prepareVersion().getStr());
        } else
        {
            if ( options.verbose() )
                fprintf(stdout, "%s: returned successful%s",
                    options.getProgramName().getStr(),
                    options.prepareVersion().getStr());
        }
    } catch(const IllegalArgument& e)
    {
        fprintf(stderr, "Illegal argument: %s\n%s",
            e.m_message.getStr(),
            options.prepareVersion().getStr());
        return 99;
    }

    return nErrors;
}

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