/******************************************************************************

 *

 * Module Name: asmain - Main module for the acpi source processor utility

 *

 *****************************************************************************/

/*

 * Copyright (C) 2000 - 2018, Intel Corp.

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions, and the following disclaimer,

 *    without modification.

 * 2. Redistributions in binary form must reproduce at minimum a disclaimer

 *    substantially similar to the "NO WARRANTY" disclaimer below

 *    ("Disclaimer") and any redistribution must be conditioned upon

 *    including a substantially similar Disclaimer requirement for further

 *    binary redistribution.

 * 3. Neither the names of the above-listed copyright holders nor the names

 *    of any contributors may be used to endorse or promote products derived

 *    from this software without specific prior written permission.

 *

 * Alternatively, this software may be distributed under the terms of the

 * GNU General Public License ("GPL") version 2 as published by the Free

 * Software Foundation.

 *

 * NO WARRANTY

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR

 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING

 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGES.

 */

#include "acpisrc.h"

/* Local prototypes */

int

AsExaminePaths (

    ACPI_CONVERSION_TABLE   *ConversionTable,

    char                    *Source,

    char                    *Target,

    UINT32                  *SourceFileType);

void

AsDisplayStats (

    void);

void

AsDisplayUsage (

    void);

/* Globals */

UINT32                  Gbl_Tabs = 0;

UINT32                  Gbl_MissingBraces = 0;

UINT32                  Gbl_NonAnsiComments = 0;

UINT32                  Gbl_Files = 0;

UINT32                  Gbl_WhiteLines = 0;

UINT32                  Gbl_CommentLines = 0;

UINT32                  Gbl_SourceLines = 0;

UINT32                  Gbl_LongLines = 0;

UINT32                  Gbl_TotalLines = 0;

UINT32                  Gbl_TotalSize = 0;

UINT32                  Gbl_HeaderLines = 0;

UINT32                  Gbl_HeaderSize = 0;

void                    *Gbl_StructDefs = NULL;

struct stat             Gbl_StatBuf;

char                    *Gbl_FileBuffer;

UINT32                  Gbl_FileSize;

UINT32                  Gbl_FileType;

BOOLEAN                 Gbl_CheckAscii = FALSE;

BOOLEAN                 Gbl_VerboseMode = FALSE;

BOOLEAN                 Gbl_QuietMode = FALSE;

BOOLEAN                 Gbl_BatchMode = FALSE;

BOOLEAN                 Gbl_DebugStatementsMode = FALSE;

BOOLEAN                 Gbl_MadeChanges = FALSE;

BOOLEAN                 Gbl_Overwrite = FALSE;

BOOLEAN                 Gbl_WidenDeclarations = FALSE;

BOOLEAN                 Gbl_IgnoreLoneLineFeeds = FALSE;

BOOLEAN                 Gbl_HasLoneLineFeeds = FALSE;

BOOLEAN                 Gbl_Cleanup = FALSE;

BOOLEAN                 Gbl_IgnoreTranslationEscapes = FALSE;

#define AS_UTILITY_NAME             "ACPI Source Code Conversion Utility"

#define AS_SUPPORTED_OPTIONS        "acdhilqsuv^y"

/******************************************************************************

 *

 * FUNCTION:    AsExaminePaths

 *

 * DESCRIPTION: Source and Target pathname verification and handling

 *

 ******************************************************************************/

int

AsExaminePaths (

    ACPI_CONVERSION_TABLE   *ConversionTable,

    char                    *Source,

    char                    *Target,

    UINT32                  *SourceFileType)

{

    int                     Status;

    int                     Response;

    Status = stat (Source, &Gbl_StatBuf);

    if (Status)

    {

        printf ("Source path \"%s\" does not exist\n", Source);

        return (-1);

    }

    /* Return the filetype -- file or a directory */

    *SourceFileType = 0;

    if (Gbl_StatBuf.st_mode & S_IFDIR)

    {

        *SourceFileType = S_IFDIR;

    }

    /*

     * If we are in no-output mode or in batch mode, we are done

     */

    if ((ConversionTable->Flags & FLG_NO_FILE_OUTPUT) ||

        (Gbl_BatchMode))

    {

        return (0);

    }

    if (!AcpiUtStricmp (Source, Target))

    {

        printf ("Target path is the same as the source path, overwrite?\n");

        Response = getchar ();

        /* Check response */

        if (Response != 'y')

        {

            return (-1);

        }

        Gbl_Overwrite = TRUE;

    }

    else

    {

        Status = stat (Target, &Gbl_StatBuf);

        if (!Status)

        {

            printf ("Target path already exists, overwrite?\n");

            Response = getchar ();

            /* Check response */

            if (Response != 'y')

            {

                return (-1);

            }

        }

    }

    return (0);

}

/******************************************************************************

 *

 * FUNCTION:    AsDisplayStats

 *

 * DESCRIPTION: Display global statistics gathered during translation

 *

 ******************************************************************************/

void

AsDisplayStats (

    void)

{

    if (Gbl_QuietMode)

    {

        return;

    }

    printf ("\nAcpiSrc statistics:\n\n");

    printf ("%8u Files processed\n", Gbl_Files);

    if (!Gbl_Files)

    {

        return;

    }

    printf ("%8u Total bytes (%.1fK/file)\n",

        Gbl_TotalSize, ((double) Gbl_TotalSize/Gbl_Files)/1024);

    printf ("%8u Tabs found\n", Gbl_Tabs);

    printf ("%8u Missing if/else/while braces\n", Gbl_MissingBraces);

    printf ("%8u Non-ANSI // comments found\n", Gbl_NonAnsiComments);

    printf ("%8u Total Lines\n", Gbl_TotalLines);

    printf ("%8u Lines of code\n", Gbl_SourceLines);

    printf ("%8u Lines of non-comment whitespace\n", Gbl_WhiteLines);

    printf ("%8u Lines of comments\n", Gbl_CommentLines);

    printf ("%8u Long lines found\n", Gbl_LongLines);

    if (Gbl_WhiteLines > 0)

    {

        printf ("%8.1f Ratio of code to whitespace\n",

            ((float) Gbl_SourceLines / (float) Gbl_WhiteLines));

    }

    if ((Gbl_CommentLines + Gbl_NonAnsiComments) > 0)

    {

        printf ("%8.1f Ratio of code to comments\n",

            ((float) Gbl_SourceLines /

            (float) (Gbl_CommentLines + Gbl_NonAnsiComments)));

    }

    if (!Gbl_TotalLines)

    {

        return;

    }

    printf ("         %u%% code, %u%% comments, %u%% whitespace, %u%% headers\n",

        (Gbl_SourceLines * 100) / Gbl_TotalLines,

        (Gbl_CommentLines * 100) / Gbl_TotalLines,

        (Gbl_WhiteLines * 100) / Gbl_TotalLines,

        (Gbl_HeaderLines * 100) / Gbl_TotalLines);

    return;

}

/******************************************************************************

 *

 * FUNCTION:    AsDisplayUsage

 *

 * DESCRIPTION: Usage message

 *

 ******************************************************************************/

void

AsDisplayUsage (

    void)

{

    ACPI_USAGE_HEADER ("acpisrc [-c|l|u] [-dsvy] <SourceDir> <DestinationDir>");

    ACPI_OPTION ("-a <file>",   "Check entire file for non-printable characters");

    ACPI_OPTION ("-c",          "Generate cleaned version of the source");

    ACPI_OPTION ("-h",          "Insert dual-license header into all modules");

    ACPI_OPTION ("-i",          "Cleanup macro indentation");

    ACPI_OPTION ("-l",          "Generate Linux version of the source");

    ACPI_OPTION ("-u",          "Generate Custom source translation");

    ACPI_USAGE_TEXT ("\n");

    ACPI_OPTION ("-d",          "Leave debug statements in code");

    ACPI_OPTION ("-s",          "Generate source statistics only");

    ACPI_OPTION ("-v",          "Display version information");

    ACPI_OPTION ("-vb",         "Verbose mode");

    ACPI_OPTION ("-vd",         "Display build date and time");

    ACPI_OPTION ("-y",          "Suppress file overwrite prompts");

}

/******************************************************************************

 *

 * FUNCTION:    main

 *

 * DESCRIPTION: C main function

 *

 ******************************************************************************/

int ACPI_SYSTEM_XFACE

main (

    int                     argc,

    char                    *argv[])

{

    int                     j;

    ACPI_CONVERSION_TABLE   *ConversionTable = NULL;

    char                    *SourcePath;

    char                    *TargetPath;

    UINT32                  FileType;

    ACPI_DEBUG_INITIALIZE (); /* For debug version only */

    AcpiOsInitialize ();

    printf (ACPI_COMMON_SIGNON (AS_UTILITY_NAME));

    if (argc < 2)

    {

        AsDisplayUsage ();

        return (0);

    }

    /* Command line options */

    while ((j = AcpiGetopt (argc, argv, AS_SUPPORTED_OPTIONS)) != ACPI_OPT_END) switch(j)

    {

    case 'l':

        /* Linux code generation */

        printf ("Creating Linux source code\n");

        ConversionTable = &LinuxConversionTable;

        Gbl_WidenDeclarations = TRUE;

        Gbl_IgnoreLoneLineFeeds = TRUE;

        break;

    case 'c':

        /* Cleanup code */

        printf ("Code cleanup\n");

        ConversionTable = &CleanupConversionTable;

        Gbl_Cleanup = TRUE;

        break;

    case 'h':

        /* Inject Dual-license header */

        printf ("Inserting Dual-license header to all modules\n");

        ConversionTable = &LicenseConversionTable;

        break;

    case 'i':

        /* Cleanup wrong indent result */

        printf ("Cleaning up macro indentation\n");

        ConversionTable = &IndentConversionTable;

        Gbl_IgnoreLoneLineFeeds = TRUE;

        Gbl_IgnoreTranslationEscapes = TRUE;

        break;

    case 's':

        /* Statistics only */

        break;

    case 'u':

        /* custom conversion  */

        printf ("Custom source translation\n");

        ConversionTable = &CustomConversionTable;

        break;

    case 'v':

        switch (AcpiGbl_Optarg[0])

        {

        case '^':  /* -v: (Version): signon already emitted, just exit */

            exit (0);

        case 'b':

            /* Verbose mode */

            Gbl_VerboseMode = TRUE;

            break;

        case 'd':

            printf (ACPI_COMMON_BUILD_TIME);

            return (0);

        default:

            printf ("Unknown option: -v%s\n", AcpiGbl_Optarg);

            return (-1);

        }

        break;

    case 'y':

        /* Batch mode */

        Gbl_BatchMode = TRUE;

        break;

    case 'd':

        /* Leave debug statements in */

        Gbl_DebugStatementsMode = TRUE;

        break;

    case 'q':

        /* Quiet mode */

        Gbl_QuietMode = TRUE;

        break;

    case 'a':

        Gbl_CheckAscii = TRUE;

        break;

    default:

        AsDisplayUsage ();

        return (-1);

    }

    SourcePath = argv[AcpiGbl_Optind];

    if (!SourcePath)

    {

        printf ("Missing source path\n");

        AsDisplayUsage ();

        return (-1);

    }

    /* This option checks the entire file for printable ascii chars */

    if (Gbl_CheckAscii)

    {

        AsProcessOneFile (NULL, NULL, NULL, 0, SourcePath, FILE_TYPE_SOURCE);

        return (0);

    }

    TargetPath = argv[AcpiGbl_Optind+1];

    if (!ConversionTable)

    {

        /* Just generate statistics. Ignore target path */

        TargetPath = SourcePath;

        printf ("Source code statistics only\n");

        ConversionTable = &StatsConversionTable;

    }

    else if (!TargetPath)

    {

        TargetPath = SourcePath;

    }

    if (Gbl_DebugStatementsMode)

    {

        ConversionTable->SourceFunctions &= ~CVT_REMOVE_DEBUG_MACROS;

    }

    /* Check source and target paths and files */

    if (AsExaminePaths (ConversionTable, SourcePath, TargetPath, &FileType))

    {

        return (-1);

    }

    /* Source/target can be either directories or a files */

    if (FileType == S_IFDIR)

    {

        /* Process the directory tree */

        AsProcessTree (ConversionTable, SourcePath, TargetPath);

    }

    else

    {

        if (Gbl_CheckAscii)

        {

            AsProcessOneFile (NULL, NULL, NULL, 0,

                SourcePath, FILE_TYPE_SOURCE);

            return (0);

        }

        /* Process a single file */

        /* Differentiate between source and header files */

        if (strstr (SourcePath, ".h"))

        {

            AsProcessOneFile (ConversionTable, NULL, TargetPath, 0,

                SourcePath, FILE_TYPE_HEADER);

        }

        else if (strstr (SourcePath, ".c"))

        {

            AsProcessOneFile (ConversionTable, NULL, TargetPath, 0,

                SourcePath, FILE_TYPE_SOURCE);

        }

        else if (strstr (SourcePath, ".patch"))

        {

            AsProcessOneFile (ConversionTable, NULL, TargetPath, 0,

                SourcePath, FILE_TYPE_PATCH);

        }

        else

        {

            printf ("Unknown file type - %s\n", SourcePath);

        }

    }

    /* Always display final summary and stats */

    AsDisplayStats ();

    return (0);

}