GPL_Tuple

gpl

1998 12-05

CLASS

SYNOPSIS

CONSTRUCTOR

GPL_Tuple()
Create an empty GPL_Tuple.

MEMBER FUNCTIONS

GPL_Boolean CheckMatch(char *fmt, ...)

GPL_Boolean VCheckMatch(char *fmt, va_list *ap) const
Set the format specifiers for a description to be fmt and use all subsequent arguments, as specified by fmt, to set the values of a description to be matched against per GPL_Description::Matches(). This function returns TRUE upon a match and FALSE otherwise.
GPL_Boolean Get(char *fmt, ...)
This function is used to extract data from fields in a record. This function should be used carefully so as to correctly match arguments with field types. The following are valid characters for


i	Skip a field. Does not require an argument.
I	Use GPL_Value::GetInteger() to set the corresponding int * argument.
r	Skip a field. Does not require an argument.
R	Use GPL_Value::GetReal() to set the corresponding double * argument.
s	Skip a field. Does not require an argument.
S	Use GPL_Value::GetString() to set the corresponding char ** argument.
b	Skip a field. Does not require an argument.
B	Use GPL_Value::GetBlock() to set the corresponding char ** argument and the following int * argument.
m	Skip a field. Does not require an argument.
M	Use GPL_Value::GetMessage() to set the corresponding GPL_Message * argument.
n	Skip a field. Does not require an argument.


GPL_Boolean IsEmpty()
Return TRUE if the tuple has no values, otherwise return FALSE.