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note description: "Summary description for {XML_ELEMENT}." date: "$Date: 2013-05-20 15:15:17 -0800 (Mon, 20 May 2013) $" revision: "$Revision: 92557 $" class interface XML_ELEMENT create make (a_parent: like parent; a_name: READABLE_STRING_32; a_ns: like namespace) -- Create a new child element, without attaching to parent. require a_name_not_void: a_name /= Void a_ns_not_void: a_ns /= Void ensure parent_set: parent = a_parent name_set: has_same_name (a_name) namespace_set: namespace = a_ns make_last (a_parent: XML_ELEMENT; a_name: READABLE_STRING_32; a_ns: like namespace) -- Create a new child element, and add it to the parent. require a_parent_not_void: a_parent /= Void a_name_not_void: a_name /= Void a_ns_not_void: a_ns /= Void ensure parent_set: parent = a_parent in_parent: a_parent.last = Current name_set: has_same_name (a_name) namespace_set: namespace = a_ns make_root (a_parent: XML_DOCUMENT; a_name: READABLE_STRING_32; a_ns: like namespace) -- Create a new root element, and add it to the document parent. require a_parent_not_void: a_parent /= Void a_name_not_void: a_name /= Void a_ns_not_void: a_ns /= Void ensure parent_set: parent = a_parent in_parent: a_parent.last = Current name_set: has_same_name (a_name) ns_prefix_set: namespace = a_ns make_with_count (a_parent: like parent; a_name: READABLE_STRING_32; a_ns: like namespace; a_count: INTEGER_32) -- Create a new child element, without attaching to parent, -- and initialize for a_count childrens require a_name_not_void: a_name /= Void a_ns_not_void: a_ns /= Void a_count_positive: a_count >= 0 ensure parent_set: parent = a_parent name_set: has_same_name (a_name) namespace_set: namespace = a_ns feature -- Initialization initialize -- Initialize -- (from XML_COMPOSITE) initialize_with_count (a_count: INTEGER_32) -- Initialize internal data -- (from XML_COMPOSITE) require -- from XML_COMPOSITE a_count_positive: a_count >= 0 feature -- Access after: BOOLEAN -- (from XML_COMPOSITE) attribute_by_name (a_name: READABLE_STRING_GENERAL): detachable XML_ATTRIBUTE -- Attribute named a_name in current element; -- Return Void if no such attribute was found. require a_name_not_void: a_name /= Void ensure attribute_not_void: has_attribute_by_name (a_name) = (Result /= Void) namespace: Result /= Void implies (not Result.has_prefix) attribute_by_qualified_name (a_uri: READABLE_STRING_GENERAL; a_name: READABLE_STRING_GENERAL): detachable XML_ATTRIBUTE -- Attribute named a_name in current element; -- Return Void if no such attribute was found. require a_uri_not_void: a_uri /= Void a_name_not_void: a_name /= Void ensure attribute_not_void: has_attribute_by_qualified_name (a_uri, a_name) = (Result /= Void) namespace: Result /= Void implies Result.has_qualified_name (a_uri, a_name) attributes: LIST [XML_ATTRIBUTE] -- List of all attributes in current element -- (Create a new list at each call.) count: INTEGER_32 -- (from XML_COMPOSITE) elements: LIST [XML_ELEMENT] -- List of all direct child elements in current element -- (Create a new list at each call.) -- (from XML_COMPOSITE) ensure -- from XML_COMPOSITE not_void: Result /= Void first: XML_NODE -- (from XML_COMPOSITE) forth -- (from XML_COMPOSITE) generating_type: TYPE [detachable XML_ELEMENT] -- Type of current object -- (type of which it is a direct instance) -- (from ANY) ensure -- from ANY generating_type_not_void: Result /= Void generator: STRING_8 -- Name of current object's generating class -- (base class of the type of which it is a direct instance) -- (from ANY) ensure -- from ANY generator_not_void: Result /= Void generator_not_empty: not Result.is_empty item_for_iteration: XML_NODE -- (from XML_COMPOSITE) last: XML_NODE -- (from XML_COMPOSITE) name: READABLE_STRING_32 -- (from XML_NAMED_NODE) namespace: XML_NAMESPACE -- (from XML_NAMED_NODE) namespace_declarations: LINKED_LIST [XML_NAMESPACE] -- Namespaces declared directly in this element; -- This list must contain at most one namespace with a -- void prefix. If such a namespace exists it is a declared -- default namespace. -- (Returns a new list object at each call.) ensure namespace_declarations_not_void: Result /= Void new_cursor: XML_COMPOSITE_CURSOR -- Fresh cursor associated with current structure -- (from XML_COMPOSITE) ensure -- from ITERABLE result_attached: Result /= Void ns_prefix: like namespace.ns_prefix -- Namespace prefix used to declare the namespace of the -- name of current node -- (from XML_NAMED_NODE) ensure -- from XML_NAMED_NODE definition: Result = namespace.ns_prefix ns_uri: like namespace.uri -- URI of namespace. -- (from XML_NAMED_NODE) ensure -- from XML_NAMED_NODE definition: Result = namespace.uri parent: detachable XML_COMPOSITE -- Parent of current node; -- Void if current node is root -- (from XML_NODE) remove_at_cursor (c: like new_cursor) -- (from XML_COMPOSITE) start -- (from XML_COMPOSITE) wipe_out -- (from XML_COMPOSITE) feature -- Comparison frozen deep_equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void -- or attached to isomorphic object structures? -- (from ANY) ensure -- from ANY instance_free: class shallow_implies_deep: standard_equal (a, b) implies Result both_or_none_void: (a = Void) implies (Result = (b = Void)) same_type: (Result and (a /= Void)) implies (b /= Void and then a.same_type (b)) symmetric: Result implies deep_equal (b, a) frozen equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void or attached -- to objects considered equal? -- (from ANY) ensure -- from ANY instance_free: class definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.is_equal (b)) frozen is_deep_equal alias "≡≡≡" (other: XML_ELEMENT): BOOLEAN -- Are Current and other attached to isomorphic object structures? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY shallow_implies_deep: standard_is_equal (other) implies Result same_type: Result implies same_type (other) symmetric: Result implies other.is_deep_equal (Current) is_equal (other: XML_ELEMENT): BOOLEAN -- Is other attached to an object considered -- equal to current object? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY symmetric: Result implies other ~ Current consistent: standard_is_equal (other) implies Result frozen standard_equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void or attached to -- field-by-field identical objects of the same type? -- Always uses default object comparison criterion. -- (from ANY) ensure -- from ANY instance_free: class definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.standard_is_equal (b)) frozen standard_is_equal alias "" (other: XML_ELEMENT): BOOLEAN -- Is other attached to an object of the same type -- as current object, and field-by-field identical to it? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY same_type: Result implies same_type (other) symmetric: Result implies other.standard_is_equal (Current) feature -- Status report conforms_to (other: ANY): BOOLEAN -- Does type of current object conform to type -- of other (as per Eiffel: The Language, chapter 13)? -- (from ANY) require -- from ANY other_not_void: other /= Void debug_output: STRING_8 -- String that should be displayed in debugger to represent Current. -- (from XML_NAMED_NODE) require -- from DEBUG_OUTPUT True ensure -- from DEBUG_OUTPUT result_not_void: Result /= Void debug_output_representation (s: READABLE_STRING_32): STRING_8 -- (from XML_NODE) has_attribute_by_name (a_name: READABLE_STRING_GENERAL): BOOLEAN -- Does current element contain an attribute named a_name? -- element? require a_name_not_void: a_name /= Void has_attribute_by_qualified_name (a_uri: READABLE_STRING_GENERAL; a_name: READABLE_STRING_GENERAL): BOOLEAN -- Does current element contain an attribute with -- this qualified name? require a_uri_not_void: a_uri /= Void a_name_not_void: a_name /= Void Has_namespace: BOOLEAN = True -- Has the name of current node been defined with namespace? -- (from XML_NAMED_NODE) has_prefix: BOOLEAN -- Has a prefix been used to define the namespace? -- (It could also be that the namespace used was the default namespace) -- (from XML_NAMED_NODE) ensure -- from XML_NAMED_NODE definition: Result = (attached ns_prefix as p and then not p.is_empty) has_qualified_name (a_uri: READABLE_STRING_GENERAL; a_name: READABLE_STRING_GENERAL): BOOLEAN -- Does this node match the qualified name? -- (from XML_NAMED_NODE) require -- from XML_NAMED_NODE a_uri_not_void: a_uri /= Void a_name_not_void: a_name /= Void ensure -- from XML_NAMED_NODE definition: Result = (namespace.has_same_uri (a_uri) and has_same_name (a_name)) has_same_name (a_name: READABLE_STRING_GENERAL): BOOLEAN -- Current name is same as a_name ? -- (from XML_NAMED_NODE) has_same_ns_prefix (a_ns_prefix: detachable READABLE_STRING_GENERAL): BOOLEAN -- (from XML_NAMED_NODE) has_same_ns_uri (a_uri: READABLE_STRING_GENERAL): BOOLEAN -- (from XML_NAMED_NODE) same_name (other: XML_NAMED_NODE): BOOLEAN -- Has current node same name and namespace as other? -- (from XML_NAMED_NODE) require -- from XML_NAMED_NODE other_attached: other /= Void ensure -- from XML_NAMED_NODE definition: Result = (same_namespace (other) and same_name (other)) same_namespace (other: XML_NAMED_NODE): BOOLEAN -- Has current node same namespace as other? -- (from XML_NAMED_NODE) require -- from XML_NAMED_NODE other_attached: other /= Void ensure -- from XML_NAMED_NODE equal_namespaces: Result implies namespace ~ other.namespace same_type (other: ANY): BOOLEAN -- Is type of current object identical to type of other? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY definition: Result = (conforms_to (other) and other.conforms_to (Current)) feature -- Element change add_attribute (a_name: READABLE_STRING_32; a_ns: XML_NAMESPACE; a_value: READABLE_STRING_32) -- Add an attribute to current element. -- (at end if last is an attribute, at beginning otherwise) require a_name_not_empty: a_name /= Void and then not a_name.is_empty a_ns_not_void: a_ns /= Void a_value_not_void: a_value /= Void ensure attribute_added: has_attribute_by_qualified_name (a_ns.uri, a_name) add_unqualified_attribute (a_name: READABLE_STRING_32; a_value: READABLE_STRING_32) -- Add an attribute without a specific namespace. require a_name_not_empty: a_name /= Void and then not a_name.is_empty a_value_not_void: a_value /= Void ensure attribute_added: has_attribute_by_name (a_name) attach_parent (a_parent: attached like parent) -- Set parent to a_parent. -- (from XML_NODE) require -- from XML_NODE a_parent_attached: a_parent /= Void ensure -- from XML_NODE parent_set: parent = a_parent force_first (a_node: XML_NODE) -- Was declared in XML_COMPOSITE as synonym of put_first. -- (from XML_COMPOSITE) force_last (a_node: XML_NODE) -- (from XML_COMPOSITE) put_first (a_node: XML_NODE) -- Was declared in XML_COMPOSITE as synonym of force_first. -- (from XML_COMPOSITE) put_last (a_node: XML_NODE) -- (from XML_COMPOSITE) set_name (a_name: READABLE_STRING_32) -- Set name to a_name. -- (from XML_NAMED_NODE) require -- from XML_NAMED_NODE a_name_attached: a_name /= Void a_name_not_empty: a_name.count > 0 ensure -- from XML_NAMED_NODE name_set: a_name.same_string (name) set_namespace (a_namespace: like namespace) -- Set namespace to a_namespace. -- (from XML_NAMED_NODE) require -- from XML_NAMED_NODE a_namespace_attached: a_namespace /= Void ensure -- from XML_NAMED_NODE namespace_set: namespace = a_namespace set_parent (a_parent: attached like parent) -- Set parent to a_parent. -- (from XML_NODE) require -- from XML_NODE a_parent_attached: a_parent /= Void not_root_node: not is_root_node ensure -- from XML_NODE parent_set: parent = a_parent feature -- Removal join_text_nodes -- Join sequences of text nodes. remove_attribute_by_name (a_name: READABLE_STRING_32) -- Remove attribute named a_name from current element. require a_name_not_void: a_name /= Void has_attribute: has_attribute_by_name (a_name) remove_attribute_by_qualified_name (a_uri: READABLE_STRING_32; a_name: READABLE_STRING_32) -- Remove attribute named a_name from current element. require a_uri_not_void: a_uri /= Void a_name_not_void: a_name /= Void has_attribute: has_attribute_by_qualified_name (a_uri, a_name) feature -- Duplication copy (other: XML_ELEMENT) -- Update current object using fields of object attached -- to other, so as to yield equal objects. -- (from ANY) require -- from ANY other_not_void: other /= Void type_identity: same_type (other) ensure -- from ANY is_equal: Current ~ other frozen deep_copy (other: XML_ELEMENT) -- Effect equivalent to that of: -- copy (other . deep_twin) -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY deep_equal: deep_equal (Current, other) frozen deep_twin: XML_ELEMENT -- New object structure recursively duplicated from Current. -- (from ANY) ensure -- from ANY deep_twin_not_void: Result /= Void deep_equal: deep_equal (Current, Result) frozen standard_copy (other: XML_ELEMENT) -- Copy every field of other onto corresponding field -- of current object. -- (from ANY) require -- from ANY other_not_void: other /= Void type_identity: same_type (other) ensure -- from ANY is_standard_equal: standard_is_equal (other) frozen standard_twin: XML_ELEMENT -- New object field-by-field identical to other. -- Always uses default copying semantics. -- (from ANY) ensure -- from ANY standard_twin_not_void: Result /= Void equal: standard_equal (Result, Current) frozen twin: XML_ELEMENT -- New object equal to Current -- twin calls copy; to change copying/twinning semantics, redefine copy. -- (from ANY) ensure -- from ANY twin_not_void: Result /= Void is_equal: Result ~ Current feature -- Basic operations frozen default: detachable XML_ELEMENT -- Default value of object's type -- (from ANY) frozen default_pointer: POINTER -- Default value of type POINTER -- (Avoid the need to write p.default for -- some p of type POINTER.) -- (from ANY) ensure -- from ANY instance_free: class default_rescue -- Process exception for routines with no Rescue clause. -- (Default: do nothing.) -- (from ANY) frozen do_nothing -- Execute a null action. -- (from ANY) ensure -- from ANY instance_free: class feature -- Access (from XM_COMPOSITE) element_by_name (a_name: READABLE_STRING_GENERAL): detachable XML_ELEMENT -- Direct child element with name a_name; -- If there are more than one element with that name, anyone may be returned. -- Return Void if no element with that name is a child of current node. require -- from XML_COMPOSITE a_name_not_void: a_name /= Void ensure -- from XML_COMPOSITE element_not_void: has_element_by_name (a_name) = (Result /= Void) element_by_qualified_name (a_uri: READABLE_STRING_GENERAL; a_name: READABLE_STRING_GENERAL): detachable XML_ELEMENT -- Direct child element with given qualified name; -- If there are more than one element with that name, anyone may be returned. -- Return Void if no element with that name is a child of current node. require -- from XML_COMPOSITE a_uri_not_void: a_uri /= Void a_name_not_void: a_name /= Void ensure -- from XML_COMPOSITE element_not_void: has_element_by_qualified_name (a_uri, a_name) = (Result /= Void) elements_by_name (a_name: READABLE_STRING_GENERAL): detachable LIST [XML_ELEMENT] -- Direct child elements with name a_name; -- Return Void if no element with that name is a child of current node. require a_name_not_void: a_name /= Void ensure elements_not_void: (Result /= Void) = has_element_by_name (a_name) elements_by_qualified_name (a_uri: READABLE_STRING_GENERAL; a_name: READABLE_STRING_GENERAL): detachable LIST [XML_ELEMENT] -- Direct child elements with given qualified name ; -- Return Void if no element with that qualified name is a child of current node. require a_name_not_void: a_name /= Void ensure elements_not_void: (Result /= Void) = has_element_by_qualified_name (a_uri, a_name) has_element_by_name (a_name: READABLE_STRING_GENERAL): BOOLEAN -- Has current node at least one direct child -- element with the name a_name? require -- from XML_COMPOSITE a_name_not_void: a_name /= Void has_element_by_qualified_name (a_uri: READABLE_STRING_GENERAL; a_name: READABLE_STRING_GENERAL): BOOLEAN -- Has current node at least one direct child -- element with this qualified name ? require -- from XML_COMPOSITE a_uri_not_void: a_uri /= Void a_name_not_void: a_name /= Void feature -- Element change using index put (a_node: XML_NODE; i: INTEGER_32) -- Add v at the index i -- (from XML_COMPOSITE) require -- from XML_COMPOSITE valid_index: valid_index (i) remove (i: INTEGER_32) -- Remove item at index i. -- (from XML_COMPOSITE) require -- from XML_COMPOSITE valid_index: valid_index (i) valid_index (i: INTEGER_32): BOOLEAN -- Is i a valid index? -- (from XML_COMPOSITE) feature -- Output Io: STD_FILES -- Handle to standard file setup -- (from ANY) ensure -- from ANY instance_free: class io_not_void: Result /= Void out: STRING_8 -- New string containing terse printable representation -- of current object -- (from ANY) ensure -- from ANY out_not_void: Result /= Void print (o: detachable ANY) -- Write terse external representation of o -- on standard output. -- (from ANY) ensure -- from ANY instance_free: class frozen tagged_out: STRING_8 -- New string containing terse printable representation -- of current object -- (from ANY) ensure -- from ANY tagged_out_not_void: Result /= Void feature -- Platform Operating_environment: OPERATING_ENVIRONMENT -- Objects available from the operating system -- (from ANY) ensure -- from ANY instance_free: class operating_environment_not_void: Result /= Void feature -- Processing process_children (a_processor: XML_NODE_VISITOR) -- Process direct children. -- (from XML_COMPOSITE) require -- from XML_COMPOSITE a_processor_not_void: a_processor /= Void process_children_recursive (a_processor: XML_NODE_VISITOR) -- Process direct and indirect children. -- (from XML_COMPOSITE) require -- from XML_COMPOSITE processor_not_void: a_processor /= Void feature -- Query contents: LIST [XML_CHARACTER_DATA] -- List of all XML_CHARACTER_DATA in current element -- (Create a new list at each call.) joined_content: STRING_32 feature -- Status is_root_node: BOOLEAN -- Is current node the root node? -- (from XML_NODE) ensure -- from XML_NODE definition: Result = (parent = Void) level: INTEGER_32 -- Depth at which current node appears relative to its root -- (The root node has the level 1.) -- (from XML_NODE) ensure -- from XML_NODE Result > 0 parent_element: detachable XML_ELEMENT -- Parent element. -- (from XML_NODE) require -- from XML_NODE not_root_node: not is_root_node not_root_element: attached parent as l_parent and then not l_parent.is_root_node ensure -- from XML_NODE result_not_void: not is_root_node implies Result /= Void feature -- Text text: detachable STRING_32 -- Concatenation of all texts directly found in -- current element; Void if no text found -- (Return a new string at each call.) -- (from XML_COMPOSITE) feature -- Visitor processing process (a_processor: XML_NODE_VISITOR) -- Process current node with a_processor. require -- from XML_NODE a_processor_not_void: a_processor /= Void invariant -- from XML_COMPOSITE elements_attached: internal_nodes /= Void -- from ANY reflexive_equality: standard_is_equal (Current) reflexive_conformance: conforms_to (Current) -- from XML_NAMED_NODE name_attached: name /= Void name_not_empty: not name.is_empty note copyright: "Copyright (c) 1984-2012, Eiffel Software and others" license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)" source: "[ Eiffel Software 5949 Hollister Ave., Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Website http://www.eiffel.com Customer support http://support.eiffel.com ]" end -- class XML_ELEMENT
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