asconvrt.c

acpi tools for linux include acpiexec and acpixtract

        {
            return ReplaceCount;
        }

        /*
         * Check for translation escape string -- means to ignore
         * blocks of code while replacing
         */
        SubString2 = strstr (SubBuffer, AS_START_IGNORE);

        if ((SubString2) &&
            (SubString2 < SubString1))
        {
            /* Find end of the escape block starting at "Substring2" */

            SubString2 = strstr (SubString2, AS_STOP_IGNORE);
            if (!SubString2)
            {
                /* Didn't find terminator */

                return ReplaceCount;
            }

            /* Move buffer to end of escape block and continue */

            SubBuffer = SubString2;
        }

        /* Do the actual replace if the target was found */

        else
        {
            if ((Type & REPLACE_MASK) == REPLACE_WHOLE_WORD)
            {
                if (!AsMatchExactWord (SubString1, TargetLength))
                {
                    SubBuffer = SubString1 + 1;
                    continue;
                }
            }

            SubBuffer = AsReplaceData (SubString1, TargetLength, Replacement, ReplacementLength);

            if ((Type & EXTRA_INDENT_C) &&
                (!Gbl_StructDefs))
            {
                SubBuffer = AsInsertData (SubBuffer, "        ", 8);
            }

            ReplaceCount++;
        }
    }

    return ReplaceCount;
}


/******************************************************************************
 *
 * FUNCTION:    AsConvertToLineFeeds
 *
 * DESCRIPTION:
 *
 ******************************************************************************/

void
AsConvertToLineFeeds (
    char                    *Buffer)
{
    char                    *SubString;
    char                    *SubBuffer;


    SubBuffer = Buffer;
    SubString = Buffer;

    while (SubString)
    {
        /* Find the target string */

        SubString = strstr (SubBuffer, "\r\n");
        if (!SubString)
        {
            return;
        }

        SubBuffer = AsReplaceData (SubString, 1, NULL, 0);
    }
    return;
}


/******************************************************************************
 *
 * FUNCTION:    AsInsertCarriageReturns
 *
 * DESCRIPTION:
 *
 ******************************************************************************/

void
AsInsertCarriageReturns (
    char                    *Buffer)
{
    char                    *SubString;
    char                    *SubBuffer;


    SubBuffer = Buffer;
    SubString = Buffer;

    while (SubString)
    {
        /* Find the target string */

        SubString = strstr (SubBuffer, "\n");
        if (!SubString)
        {
            return;
        }

        SubBuffer = AsInsertData (SubString, "\r", 1);
        SubBuffer += 1;
    }
    return;
}


/******************************************************************************
 *
 * FUNCTION:    AsBracesOnSameLine
 *
 * DESCRIPTION: Move opening braces up to the same line as an if, for, else,
 *              or while statement (leave function opening brace on separate
 *              line).
 *
 ******************************************************************************/

void
AsBracesOnSameLine (
    char                    *Buffer)
{
    UINT32                  Length;
    char                    *SubBuffer = Buffer;
    char                    *Beginning;
    char                    *StartOfThisLine;
    char                    *Next;
    BOOLEAN                 BlockBegin = TRUE;


    while (*SubBuffer)
    {
        /* Ignore comments */

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

            SubBuffer += 2;
            continue;
        }

        /* Ignore quoted strings */

        if (*SubBuffer == '\"')
        {
            SubBuffer++;
            SubBuffer = AsSkipPastChar (SubBuffer, '\"');
            if (!SubBuffer)
            {
                return;
            }
        }

        if (!strncmp ("\n}", SubBuffer, 2))
        {
            /*
             * A newline followed by a closing brace closes a function
             * or struct or initializer block
             */
            BlockBegin = TRUE;
        }

        /*
         * Move every standalone brace up to the previous line
         * Check for digit will ignore initializer lists surrounded by braces.
         * This will work until we we need more complex detection.
         */
        if ((*SubBuffer == '{') && !isdigit (SubBuffer[1]))
        {
            if (BlockBegin)
            {
                BlockBegin = FALSE;
            }
            else
            {
                /*
                 * Backup to previous non-whitespace
                 */
                Beginning = SubBuffer - 1;
                while ((*Beginning == ' ')   ||
                       (*Beginning == '\n'))
                {
                    Beginning--;
                }

                StartOfThisLine = Beginning;
                while (*StartOfThisLine != '\n')
                {
                    StartOfThisLine--;
                }

                /*
                 * Move the brace up to the previous line, UNLESS:
                 *
                 * 1) There is a conditional compile on the line (starts with '#')
                 * 2) Previous line ends with an '=' (Start of initializer block)
                 * 3) Previous line ends with a comma (part of an init list)
                 */
                if ((StartOfThisLine[1] != '#') &&
                    (*Beginning != '/') &&
                    (*Beginning != '{') &&
                    (*Beginning != '=') &&
                    (*Beginning != ','))
                {
                    Beginning++;
                    SubBuffer++;
                    Length = strlen (SubBuffer);

                    Gbl_MadeChanges = TRUE;

#ifdef ADD_EXTRA_WHITESPACE
                    AsReplaceData (Beginning, SubBuffer - Beginning, " {\n", 3);
#else
                    /* Find non-whitespace start of next line */

                    Next = SubBuffer + 1;
                    while ((*Next == ' ')   ||
                           (*Next == '\t'))
                    {
                        Next++;
                    }

                    /* Find non-whitespace start of this line */

                    StartOfThisLine++;
                    while ((*StartOfThisLine == ' ')   ||
                           (*StartOfThisLine == '\t'))
                    {
                        StartOfThisLine++;
                    }

                    /*
                     * Must be a single-line comment to need more whitespace
                     * Even then, we don't need more if the previous statement
                     * is an "else".
                     */
                    if ((Next[0] == '/')  &&
                        (Next[1] == '*')  &&
                        (Next[2] != '\n') &&

                        (!strncmp (StartOfThisLine, "else if", 7)     ||
                         !strncmp (StartOfThisLine, "else while", 10) ||
                          strncmp (StartOfThisLine, "else", 4)))
                    {
                        AsReplaceData (Beginning, SubBuffer - Beginning, " {\n", 3);
                    }
                    else
                    {
                        AsReplaceData (Beginning, SubBuffer - Beginning, " {", 2);
                    }
#endif
                }
            }
        }

        SubBuffer++;
    }
}


/******************************************************************************
 *
 * FUNCTION:    AsTabify4
 *
 * DESCRIPTION: Convert the text to tabbed text.  Alignment of text is
 *              preserved.
 *
 ******************************************************************************/

void
AsTabify4 (
    char                    *Buffer)
{
    char                    *SubBuffer = Buffer;
    char                    *NewSubBuffer;
    UINT32                  SpaceCount = 0;
    UINT32                  Column = 0;


    while (*SubBuffer)
    {
        if (*SubBuffer == '\n')
        {
            Column = 0;
        }
        else
        {
            Column++;
        }

        /* Ignore comments */

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

            SubBuffer += 2;
            continue;
        }

        /* Ignore quoted strings */

        if (*SubBuffer == '\"')
        {
            SubBuffer++;
            SubBuffer = AsSkipPastChar (SubBuffer, '\"');
            if (!SubBuffer)
            {
                return;
            }
            SpaceCount = 0;
        }

        if (*SubBuffer == ' ')
        {
            SpaceCount++;

            if (SpaceCount >= 4)
            {
                SpaceCount = 0;

                NewSubBuffer = (SubBuffer + 1) - 4;
                *NewSubBuffer = '\t';
                NewSubBuffer++;

                /* Remove the spaces */

                SubBuffer = AsRemoveData (NewSubBuffer, SubBuffer + 1);
            }

            if ((Column % 4) == 0)
            {
                SpaceCount = 0;
            }
        }
        else
        {
            SpaceCount = 0;
        }

        SubBuffer++;
    }
}


/******************************************************************************
 *
 * FUNCTION:    AsTabify8
 *
 * DESCRIPTION: Convert the text to tabbed text.  Alignment of text is
 *              preserved.
 *
 ******************************************************************************/

void
AsTabify8 (
    char                    *Buffer)
{
    char                    *SubBuffer = Buffer;
    char                    *NewSubBuffer;
    char                    *CommentEnd = NULL;
    UINT32                  SpaceCount = 0;
    UINT32                  Column = 0;
    UINT32                  TabCount = 0;
    UINT32                  LastLineTabCount = 0;
    UINT32                  LastLineColumnStart = 0;
    UINT32                  ThisColumnStart = 0;
    UINT32                  ThisTabCount =  0;
    char                    *FirstNonBlank = NULL;


    while (*SubBuffer)
    {
        if (*SubBuffer == '\n')
        {
            /* This is a standalone blank line */

            FirstNonBlank = NULL;
            Column = 0;
            SpaceCount = 0;
            TabCount = 0;
            SubBuffer++;
            continue;
        }

        if (!FirstNonBlank)
        {
            /* Find the first non-blank character on this line */

            FirstNonBlank = SubBuffer;
            while (*FirstNonBlank == ' ')
            {
                FirstNonBlank++;
            }

            /*
             * This mechanism limits the difference in tab counts from
             * line to line.  It helps avoid the situation where a second
             * continuation line (which was indented correctly for tabs=4) would
             * get indented off the screen if we just blindly converted to tabs.
             */
            ThisColumnStart = FirstNonBlank - SubBuffer;

            if (LastLineTabCount == 0)
            {
                ThisTabCount = 0;
            }
            else if (ThisColumnStart == LastLineColumnStart)
            {
                ThisTabCount = LastLineTabCount -1;
            }
            else
            {
                ThisTabCount = LastLineTabCount + 1;
            }
        }

        Column++;

        /* Check if we are in a comment */

        if ((SubBuffer[0] == '*') &&
            (SubBuffer[1] == '/'))
        {
            SpaceCount = 0;
            SubBuffer += 2;

            if (*SubBuffer == '\n')
            {
                if (TabCount > 0)
                {
                    LastLineTabCount = TabCount;
                    TabCount = 0;
                }
                FirstNonBlank = NULL;
                LastLineColumnStart = ThisColumnStart;
                SubBuffer++;
            }

            continue;
        }

        /* Check for comment open */

        if ((SubBuffer[0] == '/') &&
            (SubBuffer[1] == '*'))
        {
            /* Find the end of the comment, it must exist */

            CommentEnd = strstr (SubBuffer, "*/");
            if (!CommentEnd)
            {
                return;
            }

            /* Toss the rest of this line or single-line comment */

            while ((SubBuffer < CommentEnd) &&
                   (*SubBuffer != '\n'))
            {
                SubBuffer++;
            }

            if (*SubBuffer == '\n')
            {
                if (TabCount > 0)
                {
                    LastLineTabCount = TabCount;