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 *

 * Module Name: ascase - Source conversion - lower/upper case utilities

 *

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

 *

 * 1. Copyright Notice

 *

 * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.

 * All rights reserved.

 *

 * 2. License

 *

 * 2.1. This is your license from Intel Corp. under its intellectual property

 * rights.  You may have additional license terms from the party that provided

 * you this software, covering your right to use that party's intellectual

 * property rights.

 *

 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a

 * copy of the source code appearing in this file ("Covered Code") an

 * irrevocable, perpetual, worldwide license under Intel's copyrights in the

 * base code distributed originally by Intel ("Original Intel Code") to copy,

 * make derivatives, distribute, use and display any portion of the Covered

 * Code in any form, with the right to sublicense such rights; and

 *

 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent

 * license (with the right to sublicense), under only those claims of Intel

 * patents that are infringed by the Original Intel Code, to make, use, sell,

 * offer to sell, and import the Covered Code and derivative works thereof

 * solely to the minimum extent necessary to exercise the above copyright

 * license, and in no event shall the patent license extend to any additions

 * to or modifications of the Original Intel Code.  No other license or right

 * is granted directly or by implication, estoppel or otherwise;

 *

 * The above copyright and patent license is granted only if the following

 * conditions are met:

 *

 * 3. Conditions

 *

 * 3.1. Redistribution of Source with Rights to Further Distribute Source.

 * Redistribution of source code of any substantial portion of the Covered

 * Code or modification with rights to further distribute source must include

 * the above Copyright Notice, the above License, this list of Conditions,

 * and the following Disclaimer and Export Compliance provision.  In addition,

 * Licensee must cause all Covered Code to which Licensee contributes to

 * contain a file documenting the changes Licensee made to create that Covered

 * Code and the date of any change.  Licensee must include in that file the

 * documentation of any changes made by any predecessor Licensee.  Licensee

 * must include a prominent statement that the modification is derived,

 * directly or indirectly, from Original Intel Code.

 *

 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.

 * Redistribution of source code of any substantial portion of the Covered

 * Code or modification without rights to further distribute source must

 * include the following Disclaimer and Export Compliance provision in the

 * documentation and/or other materials provided with distribution.  In

 * addition, Licensee may not authorize further sublicense of source of any

 * portion of the Covered Code, and must include terms to the effect that the

 * license from Licensee to its licensee is limited to the intellectual

 * property embodied in the software Licensee provides to its licensee, and

 * not to intellectual property embodied in modifications its licensee may

 * make.

 *

 * 3.3. Redistribution of Executable. Redistribution in executable form of any

 * substantial portion of the Covered Code or modification must reproduce the

 * above Copyright Notice, and the following Disclaimer and Export Compliance

 * provision in the documentation and/or other materials provided with the

 * distribution.

 *

 * 3.4. Intel retains all right, title, and interest in and to the Original

 * Intel Code.

 *

 * 3.5. Neither the name Intel nor any other trademark owned or controlled by

 * Intel shall be used in advertising or otherwise to promote the sale, use or

 * other dealings in products derived from or relating to the Covered Code

 * without prior written authorization from Intel.

 *

 * 4. Disclaimer and Export Compliance

 *

 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED

 * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE

 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,

 * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY

 * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY

 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A

 * PARTICULAR PURPOSE.

 *

 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES

 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR

 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,

 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY

 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL

 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS

 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY

 * LIMITED REMEDY.

 *

 * 4.3. Licensee shall not export, either directly or indirectly, any of this

 * software or system incorporating such software without first obtaining any

 * required license or other approval from the U. S. Department of Commerce or

 * any other agency or department of the United States Government.  In the

 * event Licensee exports any such software from the United States or

 * re-exports any such software from a foreign destination, Licensee shall

 * ensure that the distribution and export/re-export of the software is in

 * compliance with all laws, regulations, orders, or other restrictions of the

 * U.S. Export Administration Regulations. Licensee agrees that neither it nor

 * any of its subsidiaries will export/re-export any technical data, process,

 * software, or service, directly or indirectly, to any country for which the

 * United States government or any agency thereof requires an export license,

 * other governmental approval, or letter of assurance, without first obtaining

 * such license, approval or letter.

 *

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

AsUppercaseTokens (

    char                    *Buffer,

    char                    *PrefixString);

 *

 * FUNCTION:    AsLowerCaseString

 *

 * DESCRIPTION: LowerCase all instances of a target string with a replacement

 *              string.  Returns count of the strings replaced.

 *

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

AsLowerCaseString (

    char                    *Target,

    char                    *Buffer)

{

    char                    *SubString1;

    char                    *SubString2;

    char                    *SubBuffer;

    int                     TargetLength;

    int                     LowerCaseCount = 0;

    int                     i;

    SubString1 = Buffer;

    {

        /* Find the target string */

        if (!SubString1)

        {

            return LowerCaseCount;

        }

         * Check for translation escape string -- means to ignore

         * blocks of code while replacing

         */

        SubString2 = strstr (SubBuffer, AS_START_IGNORE);

            (SubString2 < SubString1))

        {

            /* Find end of the escape block starting at "Substring2" */

            if (!SubString2)

            {

                /* Didn't find terminator */

            }

        }

        {

            if (!AsMatchExactWord (SubString1, TargetLength))

            {

                SubBuffer = SubString1 + 1;

                continue;

            }

            {

                SubString1[i] = (char) tolower ((int) SubString1[i]);

            }

            {

                if ((SubBuffer[0] == ' ') && (SubBuffer[1] == ' '))

                {

                    AsInsertData (SubBuffer, "        ", 8);

                }

            }

        }

    }

}

 *

 * FUNCTION:    AsMixedCaseToUnderscores

 *

 * DESCRIPTION: Converts mixed case identifiers to underscored identifiers.

 *              for example,

 *

 *              ThisUsefullyNamedIdentifier   becomes:

 *

 *              this_usefully_named_identifier

 *

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

AsMixedCaseToUnderscores (

    char                    *Buffer)

{

    UINT32                  Length;

    char                    *SubBuffer = Buffer;

    char                    *TokenEnd;

    char                    *TokenStart = NULL;

    char                    *SubString;

    BOOLEAN                 HasLowerCase = FALSE;

    {

        /* Ignore whitespace */

        {

            while (*SubBuffer == ' ')

            {

                SubBuffer++;

            }

            TokenStart = NULL;

            HasLowerCase = FALSE;

            continue;

        }

            (*SubBuffer == '>') ||

            (*SubBuffer == ')'))

        {

            SubBuffer++;

            TokenStart = NULL;

            HasLowerCase = FALSE;

            continue;

        }

        {

            SubBuffer++;

            while (*SubBuffer != '"')

            {

                if (!*SubBuffer)

                {

                    return;

                }

                {

                    SubBuffer++;

                }

                SubBuffer++;

            }

            SubBuffer++;

            continue;

        }

        {

            HasLowerCase = TRUE;

        }

         * Check for translation escape string -- means to ignore

         * blocks of code while replacing

         */

        if ((SubBuffer[0] == '/') &&

            (SubBuffer[1] == '*') &&

            (SubBuffer[2] == '!'))

        {

            SubBuffer = strstr (SubBuffer, "!*/");

            if (!SubBuffer)

            {

                return;

            }

            continue;

        }

        {

            if ((SubBuffer[1] == 'x') ||

                (SubBuffer[1] == 'X'))

            {

                SubBuffer += 2;

                while (isxdigit ((int) *SubBuffer))

                {

                    SubBuffer++;

                }

                continue;

            }

        }

#if 0

        /* Ignore format specification fields */

        {

            SubBuffer++;

            {

                SubBuffer++;

            }

        }

#endif

        {

            SubBuffer += 2;

            continue;

        }

         * Ignore identifiers that already contain embedded underscores

         * These are typically C macros or defines (all upper case)

         * Note: there are some cases where identifiers have underscores

         * AcpiGbl_* for example. HasLowerCase flag handles these.

         */

        if ((*SubBuffer == '_') && (!HasLowerCase) && (TokenStart))

        {

            /* Check the rest of the identifier for any lower case letters */

            while ((isalnum ((int) *SubString)) || (*SubString == '_'))

            {

                if (islower ((int) *SubString))

                {

                    HasLowerCase = TRUE;

                }

                SubString++;

            }

            {

                SubBuffer = SubString;

                continue;

            }

        }

        {

            TokenStart = SubBuffer;

        }

         * Convert each pair of letters that matches the form:

         *

         *      

         * to

         *      

         */

        else if ((islower ((int) SubBuffer[0]) || isdigit ((int) SubBuffer[0])) &&

                 (isupper ((int) SubBuffer[1])))

        {

            if (isdigit ((int) SubBuffer[0]))

            {

                /* Ignore  */

                /* Ignore  */

                    *(SubBuffer-1) == '_')

                {

                    SubBuffer++;

                    continue;

                }

            }

             * Matched the pattern.

             * Find the end of this identifier (token)

             */

            TokenEnd = SubBuffer;

            while ((isalnum ((int) *TokenEnd)) || (*TokenEnd == '_'))

            {

                TokenEnd++;

            }

            SubBuffer[1] = (char) tolower ((int) SubBuffer[1]);

            Length = 0;

            {

                /*

                 * If we have at least two trailing spaces, we can get rid of

                 * one to make up for the newly inserted underscore.  This will

                 * help preserve the alignment of the text

                 */

                if ((SubString[0] == ' ') &&

                    (SubString[1] == ' '))

                {

                    Length = SubString - SubBuffer - 2;

                    break;

                }

            }

            {

                Length = strlen (&SubBuffer[1]);

            }

            SubBuffer[1] = '_';

            SubBuffer +=2;

            {

                *TokenStart = (char) tolower ((int) *TokenStart);

                TokenStart = NULL;

            }

        }

    }

}

 *

 * FUNCTION:    AsLowerCaseIdentifiers

 *

 * DESCRIPTION: Converts mixed case identifiers to lower case.  Leaves comments,

 *              quoted strings, and all-upper-case macros alone.

 *

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

AsLowerCaseIdentifiers (

    char                    *Buffer)

{

    char                    *SubBuffer = Buffer;

    {

        /*

         * Check for translation escape string -- means to ignore

         * blocks of code while replacing

         */

        if ((SubBuffer[0] == '/') &&

            (SubBuffer[1] == '*') &&

            (SubBuffer[2] == '!'))

        {

            SubBuffer = strstr (SubBuffer, "!*/");

            if (!SubBuffer)

            {

                return;

            }

        }

            (SubBuffer[1] == '*'))

        {

            SubBuffer = strstr (SubBuffer, "*/");

            if (!SubBuffer)

            {

                return;

            }

        }

        {

            SubBuffer++;

            {

                /* Ignore escaped quote characters */

                {

                    SubBuffer++;

                }

                else if (SubBuffer[0] == '\"')

                {

                    SubBuffer++;

                    break;

                }

                SubBuffer++;

            }

        }

        {

            return;

        }

         * Only lower case if we have an upper followed by a lower

         * This leaves the all-uppercase things (macros, etc.) intact

         */

        if ((isupper ((int) SubBuffer[0])) &&

            (islower ((int) SubBuffer[1])))

        {

            Gbl_MadeChanges = TRUE;

            *SubBuffer = (char) tolower ((int) *SubBuffer);

        }

    }

}

 *

 * FUNCTION:    AsUppercaseTokens

 *

 * DESCRIPTION: Force to uppercase all tokens that begin with the prefix string.

 *              used to convert mixed-case macros and constants to uppercase.

 *

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

AsUppercaseTokens (

    char                    *Buffer,

    char                    *PrefixString)

{

    char                    *SubBuffer;

    char                    *TokenEnd;

    char                    *SubString;

    int                     i;

    UINT32                  Length;

    {

        SubBuffer = strstr (SubBuffer, PrefixString);

        if (SubBuffer)

        {

            TokenEnd = SubBuffer;

            while ((isalnum ((int) *TokenEnd)) || (*TokenEnd == '_'))

            {

                TokenEnd++;

            }

            {

                if ((islower ((int) SubBuffer[i])) &&

                    (isupper ((int) SubBuffer[i+1])))

                {

                    Length = 0;

                    {

                        if ((SubString[0] == ' ') &&

                            (SubString[1] == ' '))

                        {

                            Length = SubString - &SubBuffer[i] - 2;

                            break;

                        }

                    }

                    {

                        Length = strlen (&SubBuffer[i+1]);

                    }

                    SubBuffer[i+1] = '_';

                    i +=2;

                    TokenEnd++;

                }

            }

            {

                SubBuffer[i] = (char) toupper ((int) SubBuffer[i]);

            }

        }

    }

}