Renamed version4 to flaim and version5 to xflaim

git-svn-id: https://svn.code.sf.net/p/flaim/code/trunk@7 0109f412-320b-0410-ab79-c3e0c5ffbbe6
This commit is contained in:
dsandersoremutah
2006-01-27 21:06:39 +00:00
parent 4072ed64c8
commit c55dab446f
612 changed files with 0 additions and 0 deletions

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flaim/src/gtxt2num.cpp Normal file
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//-------------------------------------------------------------------------
// Desc: Convert internal text to internal number
// Tabs: 3
//
// Copyright (c) 1992-1994,1996-2001,2003-2006 Novell, Inc. All Rights Reserved.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of version 2 of the GNU General Public
// License as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, contact Novell, Inc.
//
// To contact Novell about this file by physical or electronic mail,
// you may find current contact information at www.novell.com
//
// $Id: gtxt2num.cpp 12309 2006-01-19 15:09:04 -0700 (Thu, 19 Jan 2006) dsanders $
//-------------------------------------------------------------------------
#include "flaimsys.h"
/****************************************************************************
Desc: This routine converts an internal text string to a number.
Ret: SUCCESS or FERR_CONV_BAD_DIGIT or FERR_CONV_DEST_OVERFLOW.
Notes: If the buffer pointer is NULL, the routine just determines how
much buffer space is needed to return the text in number
format.
****************************************************************************/
RCODE GedTextToNum(
FLMBYTE * textStr, /* Pointer to buffer containing TEXT */
FLMUINT textLen, /* Length of text (in bytes) */
FLMBYTE * buffer, /* Pointer to buffer where number data is to be
returned */
FLMUINT * bufLenRV) /* Return length -- on input contains buffer size */
{
FLMBYTE * outPtr;
FLMBYTE c;
FLMUINT bytesProcessed;
FLMUINT bytesOutput;
FLMUINT outputData;
FLMUINT maxOutLen;
FLMUINT objType;
FLMUINT objLength;
FLMBOOL firstNibble;
FLMBOOL have1Num;
FLMBOOL insideNum;
FLMBOOL haveSign;
maxOutLen = *bufLenRV;
outputData = ((buffer != NULL) && (maxOutLen));
bytesProcessed =
bytesOutput = 0;
outPtr = buffer;
/* Parse through the string outputting data to the buffer */
/* as we go. */
haveSign =
have1Num =
insideNum = 0;
firstNibble = 1;
if( textStr == NULL)
textLen = 0;
for(
; bytesProcessed < textLen
; textStr += objLength, bytesProcessed += objLength)
{
/* Determine what we are pointing at */
c = *textStr;
objType = (FLMBYTE)GedTextObjType( c); /* Don't put this in if() below */
if( objType == ASCII_CHAR_CODE)
{
objLength = 1;
if( (c == ASCII_SPACE) || (c == ASCII_TAB) || (c == ASCII_NEWLINE) || (c == ASCII_CR))
{
if( insideNum)
have1Num = 1;
break;
}
/* Code below was a break - now skips leading zeros */
if( (c == ASCII_ZERO) && (!insideNum)) /* Ignore leading zeroes */
continue;
if( (c >= ASCII_ZERO) && (c <= ASCII_NINE))
{
if( !insideNum)
{
insideNum = 1;
haveSign = 1;
}
c -= ASCII_ZERO;
}
/* Handle sign characters ('+', '-') */
else if( ((c == ASCII_PLUS) || (c == ASCII_MINUS)) && (!haveSign) && (!insideNum))
{
haveSign = 1;
if( c == ASCII_MINUS)
c = 0x0B;
}
else
return( RC_SET( FERR_CONV_BAD_DIGIT));
if( outputData)
{
if( (firstNibble) && (bytesOutput == maxOutLen))
return( RC_SET( FERR_CONV_DEST_OVERFLOW));
if( firstNibble)
{
c <<= 4;
*outPtr = c;
}
else
{
*outPtr = (FLMBYTE)(*outPtr + c);
outPtr++;
}
}
if( firstNibble)
bytesOutput++;
firstNibble = !firstNibble;
}
else switch( objType)
{
case WHITE_SPACE_CODE:
objLength = 1;
break;
/* Skip the unkown codes for now */
case UNK_GT_255_CODE:
objLength = (1 + sizeof( FLMUINT16) + FB2UW( textStr + 1));
break;
case UNK_LE_255_CODE:
objLength = (2 + (FLMUINT16)*(textStr + 1));
break;
case UNK_EQ_1_CODE:
objLength = 2;
break;
case CHAR_SET_CODE:
case EXT_CHAR_CODE:
case OEM_CODE:
case UNICODE_CODE:
// Should not hit default.
default:
return( RC_SET( FERR_CONV_BAD_DIGIT));
}
}
/* Interpret empty number or all zeroes as single zero */
if( (!insideNum) && (!have1Num))
{
if( outputData)
{
if( (firstNibble) && (bytesOutput == maxOutLen))
return( RC_SET( FERR_CONV_DEST_OVERFLOW));
if( firstNibble)
{
*outPtr = 0x00;
}
else
outPtr++;
}
if( firstNibble)
bytesOutput++;
firstNibble = !firstNibble;
}
/* Add Terminator code to the end of the number */
if( outputData)
{
if( (firstNibble) && (bytesOutput == maxOutLen))
return( RC_SET( FERR_CONV_DEST_OVERFLOW));
if( firstNibble)
*outPtr = 0xFF;
else
*outPtr = (FLMBYTE)(*outPtr + 0x0F);
}
if( firstNibble)
bytesOutput++;
*bufLenRV = bytesOutput;
return( FERR_OK);
}