_file_ply::_file_ply()
{
_element_token_table Element1;
const char* Text_tokens[]={"ply","format","ascii","element","vertex","face","end_header","zzzzzzzz",""};
for (int i=0;i<_tokens(NUMBER);i++)
{
Element1.Text=Text_tokens[i];
Element1.Token=(_tokens) i;
Token_table.push_back(Element1);
}
Debug=false;
Buffer[0]='\0';
Num_lines=0;
}
int _file_ply::next_token()
{
char *p1,*p2;
char Aux_token[100];
int Num_char;
do
{
if (strlen(Buffer)==0)
{
if (read_line()==-1) return(-1);
while (Buffer[0]=='#') if (read_line()==-1) return(-1);
}
p1=Buffer;
while ((*p1==' ' || *p1=='\t') && *p1!='\n') p1++;
p2=p1;
while (*p2!=' ' && *p2!='\t' && *p2!='\n') p2++;
Num_char=p2-p1;
if (Num_char>99)
{
error("number of characters for token is too long\n");
return(-1);
}
if (Num_char!=0)
{
strncpy(Aux_token,p1,Num_char);
Aux_token[Num_char]='\0';
}
if (*p2=='\n') Buffer[0]='\0';
else strcpy(Buffer,p2);
}
while (Num_char==0);
if (!is_number(Aux_token))
{
//printf("es un numero %s\n",Aux_token);
Yylval.Real=atof(Aux_token);
return((int)_tokens(NUMBER));
}
else
{
//printf("es texto %s\n",Aux_token);
Yylval.Text=Aux_token;
return(search_token(Aux_token));
}
}
int _file_ply::next_token()
{
char Aux_token[100];
char *Aux_token1;
int Num_char=0;
do{
if (strlen(Buffer)==0){
// leer una linea si no se ha leido antes
if (read_line()==-1) return(-1);
// si es un comentario lee la siguiente
while (Buffer[0]=='#') if (read_line()==-1) return(-1);
}
Aux_token1= strtok(Buffer," \t\n");
if (Aux_token1!=NULL){
strcpy(Aux_token,Aux_token1);
Num_char=strlen(Aux_token);
strcpy(Buffer,Buffer+Num_char+1);
}
else{// por si hay delimitadores al final de una linea
Num_char=0;
Buffer[0]=0;
}
}
while (Num_char==0);
if (!is_number(Aux_token))
{
//printf("es un numero %s\n",Aux_token);
Yylval.Real=atof(Aux_token);
return((int)_tokens(NUMBER));
}
else
{
//printf("es texto %s\n",Aux_token);
Yylval.Text=Aux_token;
return(search_token(Aux_token));
}
}
