NAME

       globus_rsl_constructors - RSL Constructors

        - RSL Constructors.

SYNOPSIS

   Functions
       globus_rsl_t * globus_rsl_make_boolean (int operator, globus_list_t *children)
           RSL boolean constructor.
       globus_rsl_t * globus_rsl_make_relation (int operator, char *attributename,
           globus_rsl_value_t *value_sequence)
           RSL relation constructor.
       globus_rsl_value_t * globus_rsl_value_make_literal (char *string)
           RSL literal constructor.
       globus_rsl_value_t * globus_rsl_value_make_sequence (globus_list_t *value_list)
           RSL value sequence constructor.
       globus_rsl_value_t * globus_rsl_value_make_variable (globus_rsl_value_t *sequence)
           RSL variable reference constructor.
       globus_rsl_value_t * globus_rsl_value_make_concatenation (globus_rsl_value_t *left_value,
           globus_rsl_value_t *right_value)
           RSL concatenation constructor.

Detailed Description

       RSL Constructors.

Function Documentation

   globus_rsl_t * globus_rsl_make_boolean (int operator, globus_list_t * children)
       RSL boolean constructor. The globus_rsl_make_boolean() function creates a boolean
       composition of the RSL nodes in the list pointed to by children. The new RSL node which is
       returned contains a reference to the list, not a copy.

       Parameters
           operator The boolean RSL operator to use to join the RSL parse tree list pointed to by
           the children parameter. This value must be one of GLOBUS_RSL_AND, GLOBUS_RSL_OR,
           GLOBUS_RSL_MULTIREQ in order to create a valid RSL tree.
           children Pointer to a list of RSL syntax trees to combine with the boolean operation
           described by the operator parameter.

       Returns
           The globus_rsl_make_boolean() function returns a new RSL parse tree node that contains
           a shallow reference to the list of values pointed to by the children parameter joined
           by the operator value in the operator parameter. If an error occurs,
           globus_rsl_make_boolean() returns NULL.

   globus_rsl_t * globus_rsl_make_relation (int operator, char * attributename,
       globus_rsl_value_t * value_sequence)
       RSL relation constructor. The globus_rsl_make_relation() function creates a relation
       between the attribute named by the attributename parameter and the values pointed to by
       the value_sequence list. The new RSL relation node which is returned contains a reference
       to the attributename and value_sequence parameters, not a copy.

       Parameters
           operator The RSL operator to use to relate the RSL attribute name pointed to by the
           attributename parameter and the values pointed to by the value_sequence parameter.
           This value must be one of GLOBUS_RSL_EQ, GLOBUS_RSL_NEQ, GLOBUS_RSL_GT,
           GLOBUS_RSL_GTEQ, GLOBUS_RSL_LT, or GLOBUS_RSL_LTEQ in order to create a valid RSL
           node.
           attributename Pointer to a string naming the attribute of the new RSL relation.
           value_sequence Pointer to a sequence of RSL values to use in the new RSL relation.

       Returns
           The globus_rsl_make_relation() function returns a new RSL parse tree node that
           contains a shallow reference to the attribute name pointed to by the attributename
           parameter and the RSL value sequence pointed to by the value_sequence parameter. If an
           error occurs, globus_rsl_make_relation() returns NULL.

   globus_rsl_value_t * globus_rsl_value_make_concatenation (globus_rsl_value_t * left_value,
       globus_rsl_value_t * right_value)
       RSL concatenation constructor. The globus_rsl_value_make_concatenation() function creates
       a concatenation of the values pointed to by the left_value and right_value parameters. The
       new node returned by this function contains a reference to these parameters' values, not a
       copy.

       Parameters
           left_value A pointer to a RSL value to act as the left side of the concatenation. This
           must be a string literal or variable reference.
           right_value A pointer to a RSL value to act as the right side of the concatenation.
           This must be a string literal or variable reference.

       Returns
           The globus_rsl_value_make_concatenation() function returns a new RSL value node that
           contains a shallow reference to the values pointed to by the left_value and
           right_value parameters. If an error occurs, globus_rsl_value_make_concatenation()
           returns NULL.

   globus_rsl_value_t * globus_rsl_value_make_literal (char * string)
       RSL literal constructor. The globus_rsl_value_make_literal() function creates a string
       literal RSL value node containing the value pointed to by the string parameter. The new
       RSL value node which is returned contains a reference to the string parameter, not a copy.

       Parameters
           string The literal string to be used in the new value.

       Returns
           The globus_rsl_value_make_literal() function returns a new RSL value node that
           contains a shallow reference to the string pointed to by the string parameter. If an
           error occurs, globus_rsl_value_make_literal() returns NULL.

   globus_rsl_value_t * globus_rsl_value_make_sequence (globus_list_t * value_list)
       RSL value sequence constructor. The globus_rsl_value_make_sequence() function creates a
       value sequence RSL node referring to the values pointed to by the value_list parameter.
       The new node returned by this function contains a reference to the value_list parameter,
       not a copy.

       Parameters
           value_list A pointer to a list of globus_rsl_value_t pointers.

       Returns
           The globus_rsl_value_make_sequence() function returns a new RSL value node that
           contains a shallow reference to the list pointed to by the value_list parameter. If an
           error occurs, globus_rsl_value_make_sequence() returns NULL.

   globus_rsl_value_t * globus_rsl_value_make_variable (globus_rsl_value_t * sequence)
       RSL variable reference constructor. The globus_rsl_value_make_variable() function creates
       a variable reference RSL node referring to the variable name contained in the value
       pointed to by sequence parameter. The new node returned by this function contains a
       reference to the sequence parameter, not a copy.

       Parameters
           sequence A pointer to a RSL value sequnce.

       Returns
           The globus_rsl_value_make_variable() function returns a new RSL value node that
           contains a shallow reference to the value sequence pointed to by the sequence
           parameter. If an error occurs, globus_rsl_value_make_variable() returns NULL.

Author

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