ascase.c

acpi tools for linux include acpiexec and acpixtract

                    SubBuffer++;
                }
                continue;
            }
        }

// OBSOLETE CODE, all quoted strings now completely ignored.
#if 0
        /* Ignore format specification fields */

        if (SubBuffer[0] == '%')
        {
            SubBuffer++;

            while ((isalnum (*SubBuffer)) || (*SubBuffer == '.'))
            {
                SubBuffer++;
            }

            continue;
        }
#endif

        /* Ignore standard escape sequences (\n, \r, etc.)  Not Hex or Octal escapes */

        if (SubBuffer[0] == '\\')
        {
            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 */

            SubString = SubBuffer;
            while ((isalnum (*SubString)) || (*SubString == '_'))
            {
                if (islower (*SubString))
                {
                    HasLowerCase = TRUE;
                }
                SubString++;
            }

            /* If no lower case letters, we can safely ignore the entire token */

            if (!HasLowerCase)
            {
                SubBuffer = SubString;
                continue;
            }
        }

        /* A capital letter may indicate the start of a token; save it */

        if (isupper (SubBuffer[0]))
        {
            TokenStart = SubBuffer;
        }

        /*
         * Convert each pair of letters that matches the form:
         *
         *      <LowerCase><UpperCase>
         * to
         *      <LowerCase><Underscore><LowerCase>
         */
        else if ((islower (SubBuffer[0]) || isdigit (SubBuffer[0])) &&
                 (isupper (SubBuffer[1])))
        {
            if (isdigit (SubBuffer[0]))
            {
                /* Ignore <UpperCase><Digit><UpperCase> */
                /* Ignore <Underscore><Digit><UpperCase> */

                if (isupper (*(SubBuffer-1)) ||
                    *(SubBuffer-1) == '_')
                {
                    SubBuffer++;
                    continue;
                }
            }

            /*
             * Matched the pattern.
             * Find the end of this identifier (token)
             */
            TokenEnd = SubBuffer;
            while ((isalnum (*TokenEnd)) || (*TokenEnd == '_'))
            {
                TokenEnd++;
            }

            /* Force the UpperCase letter (#2) to lower case */

            Gbl_MadeChanges = TRUE;
            SubBuffer[1] = (char) tolower (SubBuffer[1]);

            SubString = TokenEnd;
            Length = 0;

            while (*SubString != '\n')
            {
                /*
                 * 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;
                }

                SubString++;
            }

            if (!Length)
            {
                Length = strlen (&SubBuffer[1]);
            }

            memmove (&SubBuffer[2], &SubBuffer[1], Length + 1);
            SubBuffer[1] = '_';
            SubBuffer +=2;

            /* Lower case the leading character of the token */

            if (TokenStart)
            {
                *TokenStart = (char) tolower (*TokenStart);
                TokenStart = NULL;
            }
        }

        SubBuffer++;
    }
}


/******************************************************************************
 *
 * FUNCTION:    AsLowerCaseIdentifiers
 *
 * DESCRIPTION: Converts mixed case identifiers to lower case.  Leaves comments,
 *              quoted strings, and all-upper-case macros alone.
 *
 ******************************************************************************/

void
AsLowerCaseIdentifiers (
    char                    *Buffer)
{
    char                    *SubBuffer = Buffer;


    while (*SubBuffer)
    {
        /*
         * 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;
            }
        }

        /* Ignore comments */

        if ((SubBuffer[0] == '/') &&
            (SubBuffer[1] == '*'))
        {
            SubBuffer = strstr (SubBuffer, "*/");
            if (!SubBuffer)
            {
                return;
            }

            SubBuffer += 2;
        }

        /* Ignore quoted strings */

        if ((SubBuffer[0] == '\"') && (SubBuffer[1] != '\''))
        {
            SubBuffer++;

            /* Find the closing quote */

            while (SubBuffer[0])
            {
                /* Ignore escaped quote characters */

                if (SubBuffer[0] == '\\')
                {
                    SubBuffer++;
                }
                else if (SubBuffer[0] == '\"')
                {
                    SubBuffer++;
                    break;
                }
                SubBuffer++;
            }
        }

        if (!SubBuffer[0])
        {
            return;
        }

        /*
         * Only lower case if we have an upper followed by a lower
         * This leaves the all-uppercase things (macros, etc.) intact
         */
        if ((isupper (SubBuffer[0])) &&
            (islower (SubBuffer[1])))
        {
            Gbl_MadeChanges = TRUE;
            *SubBuffer = (char) tolower (*SubBuffer);
        }

        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.
 *
 ******************************************************************************/

void
AsUppercaseTokens (
    char                    *Buffer,
    char                    *PrefixString)
{
    char                    *SubBuffer;
    char                    *TokenEnd;
    char                    *SubString;
    int                     i;
    UINT32                  Length;


    SubBuffer = Buffer;

    while (SubBuffer)
    {
        SubBuffer = strstr (SubBuffer, PrefixString);
        if (SubBuffer)
        {
            TokenEnd = SubBuffer;
            while ((isalnum (*TokenEnd)) || (*TokenEnd == '_'))
            {
                TokenEnd++;
            }

            for (i = 0; i < (TokenEnd - SubBuffer); i++)
            {
                if ((islower (SubBuffer[i])) &&
                    (isupper (SubBuffer[i+1])))
                {

                    SubString = TokenEnd;
                    Length = 0;

                    while (*SubString != '\n')
                    {
                        if ((SubString[0] == ' ') &&
                            (SubString[1] == ' '))
                        {
                            Length = SubString - &SubBuffer[i] - 2;
                            break;
                        }

                        SubString++;
                    }

                    if (!Length)
                    {
                        Length = strlen (&SubBuffer[i+1]);
                    }

                    memmove (&SubBuffer[i+2], &SubBuffer[i+1], (Length+1));
                    SubBuffer[i+1] = '_';
                    i +=2;
                    TokenEnd++;
                }
            }

            for (i = 0; i < (TokenEnd - SubBuffer); i++)
            {
                SubBuffer[i] = (char) toupper (SubBuffer[i]);
            }

            SubBuffer = TokenEnd;
        }
    }
}