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// File: Units_Lexicon.cxx
// Created: Wed Jun 24 12:47:21 1992
// Author: Gilles DEBARBOUILLE
// <gde@phobox>
#include <Units_Lexicon.ixx>
#include <Units_Token.hxx>
#include <TCollection_HAsciiString.hxx>
#include <TCollection_AsciiString.hxx>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef WNT
# include <stdio.h>
#else
#include <Standard_Stream.hxx>
#endif // WNT
//=======================================================================
//function : Units_Lexicon
//purpose :
//=======================================================================
Units_Lexicon::Units_Lexicon()
{
}
//=======================================================================
//function : Creates
//purpose :
//=======================================================================
void Units_Lexicon::Creates(const Standard_CString afilename)
{
char chain[256],line[256];
char oper[11],coeff[31];
#if 0
char *Chain = chain ;
char *Line = line ;
char *Oper = oper ;
char *Coeff = coeff ;
#endif
Standard_Integer i;
Standard_Real value;
Handle(Units_Token) token;
struct stat buf;
#if 0
chain[255] = '\0' ;
oper[10] = '\0' ;
coeff[30] = '\0' ;
#endif
//for(i=0; i<=255; i++)chain[i]=0;
ifstream file(afilename, ios::in);
if(!file) {
cout<<"unable to open "<<afilename<<" for input"<<endl;
return;
}
thefilename = new TCollection_HAsciiString(afilename);
thesequenceoftokens = new Units_TokensSequence();
if(!stat(afilename,&buf)) thetime = buf.st_ctime;
//for(i=0; i<=255; i++)line[i]=0;
while(file.getline(line,255)) {
int len = strlen( line ) ;
if(len == 1) continue; //skl - ???
for ( i = 0 ; i < 30 ; i++ ) {
if ( i < len )
sscanf(&line[i],"%c",&chain[i]);
else
chain[i] = 0 ;
}
for ( i = 0 ; i < 10 ; i++ ) {
if ( 30+i < len )
sscanf(&line[30+i],"%c",&oper[i]);
else
oper[i] = 0 ;
}
for ( i = 0 ; i < 30 ; i++ ) {
if ( 40+i < len )
sscanf(&line[40+i],"%c",&coeff[i]);
else
coeff[i] = 0 ;
}
#if 0
cout << "Lexiconsscanf(%c )" << endl << "Chain" << Chain << endl
<< "Oper" << Oper << endl
<< "Coeff" << Coeff << endl ;
#endif
i=29;
while( i>=0 && ( chain[i] == ' ' || !chain[i] ))
chain[i--]=0;
if(i<0) continue;
i=9;
while( i>=0 && ( oper [i] == ' ' || !oper [i] ))
oper[i--]=0;
i=29;
while( i>=0 && ( coeff[i] == ' ' || !coeff[i] ))
coeff[i--]=0;
if(coeff[0])
value = atof(coeff);
else
value = 0.;
if(thesequenceoftokens->IsEmpty()) {
token = new Units_Token(chain,oper,value);
thesequenceoftokens->Prepend(token);
}
else {
AddToken(chain,oper,value);
}
for(i=0; i<255; i++)
line[i]=0;
}
file.close();
}
//=======================================================================
//function : UpToDate
//purpose :
//=======================================================================
Standard_Boolean Units_Lexicon::UpToDate() const
{
struct stat buf;
TCollection_AsciiString string = FileName();
if(!stat(string.ToCString(),&buf)) {
if(thetime >= buf.st_ctime)
return Standard_True;
}
return Standard_False;
}
//=======================================================================
//function : FileName
//purpose :
//=======================================================================
TCollection_AsciiString Units_Lexicon::FileName() const
{
return thefilename->String();
}
//=======================================================================
//function : AddToken
//purpose :
//=======================================================================
void Units_Lexicon::AddToken(const Standard_CString aword,
const Standard_CString amean,
const Standard_Real avalue)
{
Handle(Units_Token) token;
Handle(Units_Token) referencetoken;
Standard_Boolean found = Standard_False;
Standard_Integer index;
for(index=1;index<=thesequenceoftokens->Length();index++) {
referencetoken = thesequenceoftokens->Value(index);
if( referencetoken->Word() == aword ) {
referencetoken->Update(amean);
found = Standard_True;
break;
}
else if( !( referencetoken->Word()>aword ) ) {
token = new Units_Token(aword,amean,avalue);
thesequenceoftokens->InsertBefore(index,token);
found = Standard_True;
break;
}
}
if(!found) {
token = new Units_Token(aword,amean,avalue);
thesequenceoftokens->Append(token);
}
}
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