table of contents
| globus_rsl_constructors(3) | globus_rsl | globus_rsl_constructors(3) |
NAME¶
globus_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.
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.
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.
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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