Eiffel Media API
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xml.event

Class XM_XMLNS_GENERATOR


Direct ancestors

XM_CALLBACKS_FILTER, XM_MARKUP_CONSTANTS, KL_IMPORTED_STRING_ROUTINES

Creation

Features

Invariants

indexing

description

Filter that generates consistent xmlns declarations (existings ones if any are replaced)

library

Gobo Eiffel XML Library

copyright

Copyright (c) 2004, Eric Bezault and others

license

Eiffel Forum License v2 (see forum.txt)

date

$Date: 2005/07/13 19:45:03 $

revision

$Revision: 1.6 $

class

XM_XMLNS_GENERATOR

inherit

XM_CALLBACKS_FILTER

create

make_null

-- Next is null processor.

-- (From XM_CALLBACKS_FILTER)

set_next (a_callbacks: like callbacks)

-- Set callbacks to a_callbacks.

-- (From XM_CALLBACKS_SOURCE)

require
a_callback_not_void: a_callback /= Void

feature -- Access

: XM_CALLBACKS

-- Callbacks event interface to which events are forwarded;
-- If void, a null callback is created on startup.

-- (From XM_FORWARD_CALLBACKS)

feature -- Events

on_attribute (a_namespace: STRING; a_prefix: STRING; a_local_part: STRING; a_value: STRING)

-- Process attribute's prefix.

-- (From XM_CALLBACKS)

require
unresolved_namespace_is_void: has_resolved_namespaces implies a_namespace /= Void
local_part: is_local_part (a_local_part)
a_value_not_void: a_value /= Void
on_end_tag (a_namespace: STRING; a_prefix: STRING; a_local_part: STRING)

-- End tag, reset context.

-- (From XM_CALLBACKS)

require
unresolved_namespace_is_void: has_resolved_namespaces implies a_namespace /= Void
local_part: is_local_part (a_local_part)
on_start

-- Reset context.

-- (From XM_CALLBACKS)

on_start_tag (a_namespace: STRING; a_prefix: STRING; a_local_part: STRING)

-- Start tag, handle default namespace.

-- (From XM_CALLBACKS)

require
unresolved_namespace_is_void: has_resolved_namespaces implies a_namespace /= Void
local_part: is_local_part (a_local_part)
on_start_tag_finish

-- Issue xmlns attributes

-- (From XM_CALLBACKS)

feature -- Setting

set_next (a_callbacks: like callbacks)

-- Set callbacks to a_callbacks.

-- (From XM_CALLBACKS_SOURCE)

require
a_callback_not_void: a_callback /= Void

feature {NONE} -- Content

on_content (a_content: STRING)

-- Forward content.

-- (From XM_CALLBACKS)

require
not_void: a_content /= Void
not_empty: a_content.count >= 0

feature {NONE} -- Meta

on_comment (a_content: STRING)

-- Forward comment.

-- (From XM_CALLBACKS)

require
a_content_not_void: a_content /= Void
on_processing_instruction (a_name, a_content: STRING)

-- Forward PI.

-- (From XM_CALLBACKS)

require
name_not_void: a_name /= Void
content_not_void: a_content /= Void

feature {NONE} -- Errors

on_error (a_message: STRING)

-- Event producer detected an error.

-- (From XM_CALLBACKS)

require
not_void: a_message /= Void

feature {NONE} -- Document

on_xml_declaration (a_version: STRING; an_encoding: STRING; a_standalone: BOOLEAN)

-- XML declaration.

-- (From XM_CALLBACKS)

require
a_version_not_void: a_version /= Void
a_version_not_empty: a_version.count > 0

feature -- Events mode

has_resolved_namespaces: BOOLEAN

-- Namespaces required

-- (From XM_CALLBACKS)

feature -- Support

has_namespace (a: STRING): BOOLEAN

-- Is namespace resolved?

-- (From XM_CALLBACKS)

has_prefix (a: STRING): BOOLEAN

-- Is prefix in use?

-- (From XM_CALLBACKS)

is_local_part (a: STRING): BOOLEAN

-- Is this a valid local part string?

-- (From XM_CALLBACKS)

ensure
definition: Result = (a /= Void and then a.count > 0)

invariant

next_not_void: next /= Void

-- From ANY
reflexive_equality: standard_is_equal (Current)
reflexive_conformance: conforms_to (Current)

end