Class: Xampl::CopyXML
Constant Summary
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- @@base_pid =
Time.now.to_i.to_s + "_"
- @@gen_pid =
0
Instance Attribute Summary collapse
Attributes inherited from Visitor
#no_children, #no_siblings
Class Method Summary
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Instance Method Summary
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Methods inherited from Visitor
#around_visit, #initialize, #method_missing, #reset, #short_circuit, #start, #substitute_in_visit
Constructor Details
This class inherits a constructor from Xampl::Visitor
Dynamic Method Handling
This class handles dynamic methods through the method_missing method
in the class Xampl::Visitor
Instance Attribute Details
#body ⇒ Object
Returns the value of attribute body.
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# File 'lib/xamplr/visitors.rb', line 306
def body
@body
end
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#ns_to_prefix ⇒ Object
Returns the value of attribute ns_to_prefix.
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# File 'lib/xamplr/visitors.rb', line 306
def ns_to_prefix
@ns_to_prefix
end
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#start_body ⇒ Object
Returns the value of attribute start_body.
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# File 'lib/xamplr/visitors.rb', line 306
def start_body
@start_body
end
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Class Method Details
.copy(root, translate_pids = {}) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 308
def CopyXML.copy(root, translate_pids={})
CopyXML.new.make_copy(root, translate_pids)
end
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Instance Method Details
#after_visit(xampl) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 549
def after_visit(xampl)
xampl.after_visit_by_element_kind(self) if xampl.respond_to? "after_visit_by_element_kind"
end
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#after_visit_data_content(xampl) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 524
def after_visit_data_content(xampl)
end_element(xampl) unless @no_children
end
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#after_visit_mixed_content(xampl) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 537
def after_visit_mixed_content(xampl)
end_element(xampl) unless @no_children
end
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#attr_esc(s) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 396
def attr_esc(s)
if (s.kind_of? XamplObject)
return attr_esc(s.to_xml)
end
result = s.to_s.dup
result.gsub!("&", "&")
result.gsub!("<", "<")
result.gsub!(">", ">")
result.gsub!("'", "'")
result.gsub!("\"", """)
return result
end
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#attribute(xampl) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 423
def attribute(xampl)
@attr_list = []
if (nil != xampl.attributes) then
xampl.attributes.each{ | attr_spec |
prefix = (2 < attr_spec.length) ? register_ns(attr_spec[2]) : ""
value = get_the_new_pid(xampl.instance_variable_get(attr_spec[0]))
@attr_list << (" " << prefix << attr_spec[1] << "='" << attr_esc(value) << "'") \
unless nil == value
}
end
end
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#before_visit(xampl) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 541
def before_visit(xampl)
if xampl.respond_to? "before_visit_by_element_kind" then
xampl.before_visit_by_element_kind(self)
else
@body << xampl.to_s
end
end
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#before_visit_data_content(xampl) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 514
def before_visit_data_content(xampl)
start_element(xampl)
if @no_children then
@body << "/>"
else
@body << ">"
@body << content_esc(xampl._content) if xampl._content
end
end
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#before_visit_mixed_content(xampl) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 528
def before_visit_mixed_content(xampl)
if @no_children then
@body << "/>"
else
start_element(xampl)
@body << ">"
end
end
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#before_visit_simple_content(xampl) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 503
def before_visit_simple_content(xampl)
start_element(xampl)
if @no_children then
@body << "/>"
else
@body << ">"
@body << content_esc(xampl._content) if xampl._content
end_element(xampl)
end
end
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#before_visit_without_content(xampl) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 498
def before_visit_without_content(xampl)
start_element(xampl)
@body << "/>"
end
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#content_esc(s) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 412
def content_esc(s)
result = s.to_s.dup
return result if (s.kind_of? XamplObject)
result.gsub!("&", "&")
result.gsub!("<", "<")
return result
end
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#copy_xampl(root) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 348
def copy_xampl(root)
start(root).done
end
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#cycle(xampl) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 372
def cycle(xampl)
raise XamplException.new(:cycle_detected_in_xampl_cluster) unless xampl.kind_of?(XamplPersistedObject)
return true
end
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#define_ns ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 486
def define_ns
result = ""
ns_to_prefix.each{ | ns, prefix |
result = sprintf("%s xmlns:%s='%s'", result, prefix[0..-2], ns)
}
return result
end
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#done ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 494
def done
out << @start_body << define_ns << @body
end
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#end_element(xampl) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 480
def end_element(xampl)
tag = xampl.tag
ns = xampl.ns
@body << "</" << register_ns(ns) << tag << ">"
end
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#get_the_new_pid(xampl) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 355
def get_the_new_pid(xampl)
current_pid = xampl.get_the_index
@persisted_xampl_found[current_pid] = xampl
new_pid = @pid_translations_old_to_new[current_pid]
unless new_pid then
@@gen_pid += 1
new_pid = @@base_pid + @@gen_pid.to_s
@pid_translations_old_to_new[current_pid] = new_pid
@pid_translations_new_to_old[new_pid] = current_pid
end
return new_pid
end
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#make_copy(root, translate_pids) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 312
def make_copy(root, translate_pids)
@was_attr = false
@ns_to_prefix = {}
@start_body = nil
@body = ""
@attr_list = nil
@pid_translations_old_to_new = translate_pids
@pid_translations_new_to_old = translate_pids.invert
@persisted_xampl_found = { @current_root.get_the_index => root }
@copies_by_old_pid = {}
while true do
copy_these = []
@persisted_xampl_found.each do | pid, xampl |
copy_these << xampl unless @copies_by_old_pid[pid]
end
break if 0 == copy_these.length
@persisted_xampl_found = {}
copy_these.each do | xampl |
@current_root = xampl
@out = ""
@copies_by_old_pid[@current_root.get_the_index] = @out
copy_xampl(@current_root)
end
end
return @copies_by_old_pid
end
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#persist_attribute(xampl) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 435
def persist_attribute(xampl)
@attr_list = []
pattr = xampl.indexed_by.to_s
if (nil != xampl.attributes) then
xampl.attributes.each{ | attr_spec |
if pattr == attr_spec[1] then
prefix = (2 < attr_spec.length) ? register_ns(attr_spec[2]) : ""
value = xampl.instance_variable_get(attr_spec[0])
@attr_list << (" " << prefix << attr_spec[1] << "='" << attr_esc(value) << "'") \
unless nil == value
break
end
}
end
end
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#register_ns(ns) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 381
def register_ns(ns)
if (0 == ns.length) then
return ""
end
prefix = ns_to_prefix[ns]
if (nil == prefix) then
preferred = XamplObject.lookup_preferred_ns_prefix(ns)
prefix = "" << preferred << ":" if preferred
prefix = "ns" << ns_to_prefix.size.to_s << ":" unless prefix
ns_to_prefix[ns] = prefix
end
return prefix
end
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#revisit(xampl) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 377
def revisit(xampl)
return true
end
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#show_attributes ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 451
def show_attributes
result = @attr_list.join(" ")
if (0 == result.length) then
return ""
else
return result
end
end
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#start_element(xampl) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 460
def start_element(xampl)
tag = xampl.tag
ns = xampl.ns
tag_info = "" << "<" << register_ns(ns) << tag
unless @start_body then
attribute(xampl)
attr_defn = show_attributes
@start_body = "" << tag_info << attr_defn
@was_attr = true if 0 < attr_defn.size
else
if xampl.persist_required then
@no_children = true
persist_attribute(xampl)
else
attribute(xampl)
end
@body << tag_info << show_attributes
end
end
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#visit_string(string) ⇒ Object
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# File 'lib/xamplr/visitors.rb', line 553
def visit_string(string)
@body << string
end
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