NAME

       globus_rsl_accessor - RSL Accessor Functions

   Functions
       int globus_rsl_boolean_get_operator (globus_rsl_t *ast_node)
           Get the RSL operator used in a boolean RSL composition.
       globus_list_t * globus_rsl_boolean_get_operand_list (globus_rsl_t *ast_node)
           Get the RSL operand list from a boolean RSL composition.
       globus_list_t ** globus_rsl_boolean_get_operand_list_ref (globus_rsl_t *boolean_node)
           Get a reference to the RSL operand list from a boolean RSL composition.
       char * globus_rsl_relation_get_attribute (globus_rsl_t *ast_node)
           Get an RSL relation attribute name.
       int globus_rsl_relation_get_operator (globus_rsl_t *ast_node)
           Get an RSL relation operator.
       globus_rsl_value_t * globus_rsl_relation_get_value_sequence (globus_rsl_t *ast_node)
           Get the value of an RSL relation.
       globus_rsl_value_t * globus_rsl_relation_get_single_value (globus_rsl_t *ast_node)
           Get the single value of an RSL relation.
       char * globus_rsl_value_literal_get_string (globus_rsl_value_t *literal_node)
           Get the string value of an RSL literal.
       globus_list_t * globus_rsl_value_sequence_get_value_list (globus_rsl_value_t
           *sequence_node)
           Get the value list from an RSL value sequence.
       globus_rsl_value_t * globus_rsl_value_variable_get_sequence (globus_rsl_value_t
           *variable_node)
           Get the value sequence from an RSL variable reference.
       char * globus_rsl_value_variable_get_name (globus_rsl_value_t *variable_node)
           Get the name of an RSL variable reference.
       char * globus_rsl_value_variable_get_default (globus_rsl_value_t *variable_node)
           Get the default value of an RSL variable reference.
       int globus_rsl_value_variable_get_size (globus_rsl_value_t *variable_node)
           Get the size of the value list within an RSL variable reference node.
       globus_rsl_value_t * globus_rsl_value_concatenation_get_left (globus_rsl_value_t
           *concatenation_node)
           Get the left side of a concatenation value.
       globus_rsl_value_t * globus_rsl_value_concatenation_get_right (globus_rsl_value_t
           *concatenation_node)
           Get the right side of a concatenation value.
       globus_list_t ** globus_rsl_value_sequence_get_list_ref (globus_rsl_value_t
           *sequence_node)
           Get a reference to the list of values in a sequence.

Detailed Description

Function Documentation

   globus_list_t* globus_rsl_boolean_get_operand_list (globus_rsl_t * ast_node)
       Get the RSL operand list from a boolean RSL composition. The
       globus_rsl_boolean_get_operand_list() function returns the list of RSL syntax tree nodes
       that is joined by a boolean composition.

       Parameters:
           ast_node The RSL syntax tree to inspect.

       Returns:
           Upon success, globus_rsl_boolean_get_operand_list() returns a pointer to a list of RSL
           syntax tree nodes that are the operand of a boolean composition operation. If an error
           occurs, globus_rsl_boolean_get_operand_list() returns NULL.

   globus_list_t** globus_rsl_boolean_get_operand_list_ref (globus_rsl_t * boolean_node)
       Get a reference to the RSL operand list from a boolean RSL composition. The
       globus_rsl_boolean_get_operand_list_ref() function returns a pointer to the list of RSL
       syntax tree nodes that is joined by a boolean composition. If this list is modified, then
       the value of boolean syntax tree is modified.

       Parameters:
           boolean_node The RSL syntax tree to inspect.

       Returns:
           Upon success, globus_rsl_boolean_get_operand_list_ref() returns a pointer to the list
           pointer in the RSL syntax tree data structure. This list can be modified to change the
           oprands of the boolean operation. If an error occurs,
           globus_rsl_boolean_get_operand_list_ref() returns NULL.

   int globus_rsl_boolean_get_operator (globus_rsl_t * ast_node)
       Get the RSL operator used in a boolean RSL composition. The
       globus_rsl_boolean_get_operator() function returns the operator that is used by the
       boolean RSL composition.

       Parameters:
           ast_node The RSL syntax tree to inspect.

       Returns:
           Upon success, globus_rsl_boolean_get_operator() returns one of GLOBUS_RSL_AND,
           GLOBUS_RSL_OR, GLOBUS_RSL_MULTIREQ. If an error occurs,
           globus_rsl_boolean_get_operator() returns -1.

   char* globus_rsl_relation_get_attribute (globus_rsl_t * ast_node)
       Get an RSL relation attribute name. The globus_rsl_relation_get_attribute() function
       returns a pointer to the name of the attribute in an RSL relation. This return value is a
       shallow reference to the attribute name.

       Parameters:
           ast_node The RSL relation node to inspect.

       Returns:
           Upon success, globus_rsl_relation_get_attribute() returns a pointer to the name of the
           attribute of the relation. If an error occurs, globus_rsl_relation_get_attribute()
           returns NULL.

   int globus_rsl_relation_get_operator (globus_rsl_t * ast_node)
       Get an RSL relation operator. The globus_rsl_relation_get_operator() function returns the
       operation type represented by the RSL relation node pointed to by the ast_node parameter.

       Parameters:
           ast_node The RSL relation node to inspect.

       Returns:
           Upon success, globus_rsl_relation_get_operator() returns one of GLOBUS_RSL_EQ,
           GLOBUS_RSL_NEQ, GLOBUS_RSL_GT, GLOBUS_RSL_GTEQ, GLOBUS_RSL_LT, or GLOBUS_RSL_LTEQ. If
           an error occurs, globus_rsl_relation_get_operator() returns -1.

   globus_rsl_value_t* globus_rsl_relation_get_single_value (globus_rsl_t * ast_node)
       Get the single value of an RSL relation. The globus_rsl_relation_get_single_value()
       function returns the value of an RSL relation node pointed to by the ast_node parameter if
       the value is a sequence of one value.

       Parameters:
           ast_node The RSL relation node to inspect.

       Returns:
           Upon success, globus_rsl_relation_get_single_value() returns the value pointer at the
           head of the RSL relation pointed to by the ast_node parameter. If the value sequence
           has more than one value or the ast_node points to an RSL syntax tree that is not a
           relation, globus_rsl_relation_get_value_sequence() returns NULL.

   globus_rsl_value_t* globus_rsl_relation_get_value_sequence (globus_rsl_t * ast_node)
       Get the value of an RSL relation. The globus_rsl_relation_get_value_sequence() function
       returns the value of an RSL relation node pointed to by the ast_node parameter.

       Parameters:
           ast_node The RSL relation node to inspect.

       Returns:
           Upon success, globus_rsl_relation_get_value_sequence() returns the value sequence
           pointer in the RSL relation pointed to by the ast_node parameter. If an error occurs,
           globus_rsl_relation_get_value_sequence() returns NULL.

   globus_rsl_value_t* globus_rsl_value_concatenation_get_left (globus_rsl_value_t *
       concatenation_node)
       Get the left side of a concatenation value. The globus_rsl_value_concatenation_get_left()
       function returns the left side of an RSL value concatenation pointed to by the
       concatenation_node parameter.

       Parameters:
           concatenation_node The RSL concatenation node to inspect.

       Returns:
           Upon success, globus_rsl_value_concatenation_get_left() returns a pointer to the left
           value of the concatenation values pointed to by the concatenation_node parameter. If
           an error occurs, globus_rsl_value_concatenation_get_left() returns NULL.

   globus_rsl_value_t* globus_rsl_value_concatenation_get_right (globus_rsl_value_t *
       concatenation_node)
       Get the right side of a concatenation value. The
       globus_rsl_value_concatenation_get_right() function returns the right side of an RSL value
       concatenation pointed to by the concatenation_node parameter.

       Parameters:
           concatenation_node The RSL concatenation node to inspect.

       Returns:
           Upon success, globus_rsl_value_concatenation_get_right() returns a pointer to the
           right value of the concatenation values pointed to by the concatenation_node
           parameter. If an error occurs, globus_rsl_value_concatenation_get_right() returns
           NULL.

   char* globus_rsl_value_literal_get_string (globus_rsl_value_t * literal_node)
       Get the string value of an RSL literal. The globus_rsl_value_literal_get_string() function
       returns the string value of an RSL literal node pointed to by the literal_node parameter.

       Parameters:
           literal_node The RSL literal node to inspect.

       Returns:
           Upon success, globus_rsl_value_literal_get_string() returns a pointer to the string
           value of the literal pointed to by the literal_node parameter. If the value is not a
           literal, globus_rsl_value_literal_get_string() returns NULL.

   globus_list_t** globus_rsl_value_sequence_get_list_ref (globus_rsl_value_t * sequence_node)
       Get a reference to the list of values in a sequence. The
       globus_rsl_value_sequence_get_list_ref() function returns a reference to the list of
       values in a value sequence. Any changes to the elements of this list will affect the
       sequence_node parameter.

       Parameters:
           sequence_node The RSL sequence node to inspect.

       Returns:
           Upon success, globus_rsl_value_sequence_get_list_ref() returns a pointer to the list
           of the globus_rsl_value_t pointer values contained in the sequence_node parameter. If
           an error occurs, globus_rsl_value_sequence_get_list_ref() returns NULL.

   globus_list_t* globus_rsl_value_sequence_get_value_list (globus_rsl_value_t * sequence_node)
       Get the value list from an RSL value sequence. The
       globus_rsl_value_sequence_get_value_list() function returns the list of globus_rsl_value_t
       pointer values associated with the RSL value sequence pointed to by the sequence_node
       parameter.

       Parameters:
           sequence_node The RSL sequence node to inspect.

       Returns:
           Upon success, globus_rsl_value_sequence_get_value_list() returns a pointer to the list
           of values pointed to by the sequence_node parameter. If the value is not a sequence,
           globus_rsl_value_literal_get_string() returns NULL.

   char* globus_rsl_value_variable_get_default (globus_rsl_value_t * variable_node)
       Get the default value of an RSL variable reference. The
       globus_rsl_value_variable_get_default() function returns a pointer to the default value of
       the RSL variable pointed to by the variable_node parameter to use if the variable's name
       is not bound in the current evaluation context.

       Parameters:
           variable_node The RSL variable node to inspect.

       Returns:
           Upon success, globus_rsl_value_variable_get_default() returns a pointer to the string
           containing the default value of the variable referenced by the variable_node
           parameter. If the node is not a variable reference or no default value exists in the
           RSL node, globus_rsl_value_variable_get_default() returns NULL.

   char* globus_rsl_value_variable_get_name (globus_rsl_value_t * variable_node)
       Get the name of an RSL variable reference. The globus_rsl_value_variable_get_name()
       function returns a pointer to the name of the RSL variable name pointed to by the
       variable_node parameter.

       Parameters:
           variable_node The RSL variable node to inspect.

       Returns:
           Upon success, globus_rsl_value_variable_get_name() returns a pointer to the string
           containing the name of the variable referenced by the variable_node parameter. If the
           node is not a variable reference, globus_rsl_value_variable_get_sequence() returns
           NULL.

   globus_rsl_value_t* globus_rsl_value_variable_get_sequence (globus_rsl_value_t *
       variable_node)
       Get the value sequence from an RSL variable reference. The
       globus_rsl_value_variable_get_sequence() function returns the sequence value associated
       with the RSL variable reference pointed to by the variable_node parameter.

       Parameters:
           variable_node The RSL variable node to inspect.

       Returns:
           Upon success, globus_rsl_value_variable_get_sequence() returns a pointer to the rsl
           value sequence pointed to by the variable_node parameter. If the value is not a
           variable reference, globus_rsl_value_variable_get_sequence() returns NULL.

   int globus_rsl_value_variable_get_size (globus_rsl_value_t * variable_node)
       Get the size of the value list within an RSL variable reference node. The
       globus_rsl_value_variable_get_size() function returns the number of nodes in the RSL
       variable reference node pointed to by the variable_node parameter.

       Parameters:
           variable_node The RSL variable node to inspect.

       Returns:
           Upon success, globus_rsl_value_variable_get_size() returns the list of values within a
           RSL variable reference, or -1 if the node pointed to by variable_node is not a
           variable reference. If the return value is 1, then the variable has no default value
           included in the reference.

Author

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