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globus_rsl_accessor(3) globus_rsl globus_rsl_accessor(3)

globus_rsl_accessor - RSL Accessor Functions


- RSL Accessor 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.

RSL Accessor Functions.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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Tue Dec 15 2020 Version 11.2