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/* Classic Ladder Project */
/* Copyright (C) 2001-2006 Marc Le Douarain */
/* http://www.multimania.com/mavati/classicladder */
/* http://www.sourceforge.net/projects/classicladder */
/* October 2006 */
/* ------- */
/* Symbols */
/* ------- */
/* Utilities functions to convert between variables names (starting with % character) */
/* and symbols names */
/* A symbol name can be set for a complete variable (ex %B45) or for a partial variable */
/* (ex: "zzz"=%T5 -> partial variable name before "." character : after this symbols will */
/* be available zzz.D zzz.V zzz.P etc...) */
/* ------- */
/* This library is free software; you can redistribute it and/or */
/* modify it under the terms of the GNU Lesser General Public */
/* License as published by the Free Software Foundation; either */
/* version 2.1 of the License, or (at your option) any later version. */
/* This library 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 */
/* Lesser General Public License for more details. */
/* You should have received a copy of the GNU Lesser General Public */
/* License along with this library; if not, write to the Free Software */
/* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifndef MODULE
#include <stdio.h>
#include <string.h>
#endif
#include "classicladder.h"
#include "global.h"
#include "symbols.h"
void InitSymbols( void )
{
int ScanSymb;
for ( ScanSymb=0; ScanSymb<NBR_SYMBOLS; ScanSymb++ )
{
SymbolArray[ ScanSymb ].VarName[ 0 ] = '\0';
SymbolArray[ ScanSymb ].Symbol[ 0 ] = '\0';
SymbolArray[ ScanSymb ].Comment[ 0 ] = '\0';
}
}
// search symbol (partial or complete) for the var name parameter
StrSymbol * ConvVarNameInSymbolPtr( char * tcVarNameVar )
{
StrSymbol * pFoundSymbol = NULL;
if ( tcVarNameVar[0]=='%' )
{
int ScanSymbol = 0;
StrSymbol *pCurrentSymbol;
char bFound = FALSE;
char tcVarNamePartial[ LGT_VAR_NAME ];
// creating partial var name (before '.' attribute)
char * pVarNameSrc = tcVarNameVar;
char * pVarNameDest = tcVarNamePartial;
do
{
*pVarNameDest++ = *pVarNameSrc++;
}
while( *pVarNameSrc!=VAR_ATTRIBUTE_SEP && *pVarNameSrc!='\0' );
*pVarNameDest = '\0';
// searching complete or partial in symbols list
do
{
pCurrentSymbol = &SymbolArray[ ScanSymbol ];
// verify strings for complete & partial
if ( strcmp( tcVarNameVar, pCurrentSymbol->VarName )==0
|| strcmp(tcVarNamePartial, pCurrentSymbol->VarName )==0 )
{
bFound = TRUE;
pFoundSymbol = pCurrentSymbol;
}
ScanSymbol++;
}
while( !bFound && ScanSymbol<NBR_SYMBOLS );
}
return pFoundSymbol;
}
// search symbol (partial or complete) for the symbol parameter (partial or complete)
StrSymbol * ConvSymbolParamInSymbolPtr( char * tcMnemoSaisi )//, char bPartiel )
{
StrSymbol * pFoundSymbol = NULL;
int ScanSymbol = 0;
StrSymbol *pCurrentSymbol;
char bFound = FALSE;
char tcPartialSymbolString[ LGT_SYMBOL_STRING ];
// creating partial var name (before '.' attribute)
char * pVarNameSrc = tcMnemoSaisi;
char * pVarNameDest = tcPartialSymbolString;
do
{
*pVarNameDest++ = *pVarNameSrc++;
}
while( *pVarNameSrc!=VAR_ATTRIBUTE_SEP && *pVarNameSrc!='\0' );
*pVarNameDest = '\0';
// searching complete or partial in symbols list
do
{
pCurrentSymbol = &SymbolArray[ ScanSymbol ];
// not an empty symbol ?
if ( pCurrentSymbol->Symbol[ 0 ]!='\0' )
{
// verify strings for complete & partial
if ( strcmp( tcMnemoSaisi, pCurrentSymbol->Symbol )==0
|| strcmp(tcPartialSymbolString, pCurrentSymbol->Symbol )==0 )
{
bFound = TRUE;
pFoundSymbol = pCurrentSymbol;
}
}
ScanSymbol++;
}
while( !bFound && ScanSymbol<NBR_SYMBOLS );
return pFoundSymbol;
}
char tcBufferResult[ 100 ];
// return a symbol (completed with attribute if it is a partial symbol)
// for the var name parameter.
char * ConvVarNameToSymbol( char * VarNameParam )
{
StrSymbol * pSymbol = ConvVarNameInSymbolPtr( VarNameParam );
if ( pSymbol )
{
// if partial symbol, add the attribute taken from the var name
if ( strcmp( VarNameParam, pSymbol->VarName )!=0 )
{
char * pAttrStart = VarNameParam;
// copy partial symbol
strcpy( tcBufferResult, pSymbol->Symbol );
// search the '.' separator
do
{
pAttrStart++;
}
while( *pAttrStart!=VAR_ATTRIBUTE_SEP && *pAttrStart!='\0' );
// add the attribute to the symbol
if ( *pAttrStart==VAR_ATTRIBUTE_SEP )
strcpy( &tcBufferResult[ strlen( pSymbol->Symbol ) ], pAttrStart );
}
else
{
// simple copy (a symbol = a var name directly)
strcpy( tcBufferResult, pSymbol->Symbol );
}
return tcBufferResult;
}
else
{
return NULL;
}
}
// return a var name for the symbol parameter (partial or complete symbol)
char * ConvSymbolToVarName( char * SymbolParam )
{
StrSymbol * pSymbol = ConvSymbolParamInSymbolPtr( SymbolParam );
if ( pSymbol )
{
// if partial symbol, add the attribute following the Symbol parameter
if ( strcmp( SymbolParam, pSymbol->Symbol )!=0 )
{
char * pAttrStart = SymbolParam;
// copy partial symbol
strcpy( tcBufferResult, pSymbol->VarName );
// search the '.' separator
do
{
pAttrStart++;
}
while( *pAttrStart!=VAR_ATTRIBUTE_SEP && *pAttrStart!='\0' );
// add the attribute to the var name
if ( *pAttrStart==VAR_ATTRIBUTE_SEP )
strcpy( &tcBufferResult[ strlen( pSymbol->VarName ) ], pAttrStart );
}
else
{
// simple copy (a symbol = a var name directly)
strcpy( tcBufferResult, pSymbol->VarName );
}
return tcBufferResult;
}
else
{
return NULL;
}
}
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