Class: Construqt::Flavour::Ciscian::PatternBasedVerb
- Inherits:
-
Object
- Object
- Construqt::Flavour::Ciscian::PatternBasedVerb
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- Defined in:
- lib/construqt/flavour/ciscian/ciscian.rb
Instance Attribute Summary collapse
Class Method Summary
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Instance Method Summary
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Constructor Details
Returns a new instance of PatternBasedVerb.
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# File 'lib/construqt/flavour/ciscian/ciscian.rb', line 373
def initialize(section)
self.section=section
self.changes=[]
end
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Instance Attribute Details
#changes ⇒ Object
Returns the value of attribute changes.
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# File 'lib/construqt/flavour/ciscian/ciscian.rb', line 371
def changes
@changes
end
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#section ⇒ Object
Returns the value of attribute section.
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# File 'lib/construqt/flavour/ciscian/ciscian.rb', line 371
def section
@section
end
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Class Method Details
.compare(nu, old) ⇒ Object
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# File 'lib/construqt/flavour/ciscian/ciscian.rb', line 451
def self.compare(nu, old)
nu_ports=nu.nil? ? {} : nu.integrate
old_ports=old.nil? ? {} : old.integrate
result = self.new(self.section)
key_var = (old||nu).find_key_var
set_keys = (old||nu).keys_of_set + (nu||old).keys_of_set
set_keys.each do |key_val|
variables(self.patterns).each do |v|
if is_key_value?(v)
result.add({key_var => key_val})
elsif is_value?(v)
result.add({key_var => key_val, v => (nu_ports[key_val] && nu_ports[key_val][v]) ? nu_ports[key_val][v] : nil})
else
set = []
set += nu_ports[key_val][v] if nu_ports[key_val]
set += old_ports[key_val][invert(v)] if old_ports[key_val] && old_ports[key_val][invert(v)]
set -= nu_ports[key_val][invert(v)] if nu_ports[key_val] && nu_ports[key_val][invert(v)]
set -= old_ports[key_val][v] if old_ports[key_val]
result.add({key_var => key_val, v => set}) if set.length > 0
end
end
end
return [result]
end
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# File 'lib/construqt/flavour/ciscian/ciscian.rb', line 416
def self.(variable)
matchdata=variable.match(/{(\+|\-|\=|\*)([^}]+)}/)
throw "could not extract varname from #{variable}" unless matchdata
return matchdata[2]
end
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.find_regex(varname) ⇒ Object
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# File 'lib/construqt/flavour/ciscian/ciscian.rb', line 412
def self.find_regex(varname)
return nil
end
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.find_variables(pattern) ⇒ Object
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# File 'lib/construqt/flavour/ciscian/ciscian.rb', line 401
def self.find_variables(pattern)
return pattern.scan(/{[^}]+}/)
end
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.invert(a) ⇒ Object
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# File 'lib/construqt/flavour/ciscian/ciscian.rb', line 386
def self.invert(a)
return a.gsub(/\+/,"-") if a.match(/\+/)
return a.gsub(/\-/,"+") if a.match(/\-/)
throw "cannot invert #{a}"
end
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.is_key_value?(v) ⇒ Boolean
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# File 'lib/construqt/flavour/ciscian/ciscian.rb', line 480
def self.is_key_value?(v)
return !v.nil? && v.start_with?("{*")
end
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.is_value?(v) ⇒ Boolean
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# File 'lib/construqt/flavour/ciscian/ciscian.rb', line 484
def self.is_value?(v)
return !v.nil? && v.start_with?("{=")
end
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.matches(patterns, line) ⇒ Object
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# File 'lib/construqt/flavour/ciscian/ciscian.rb', line 422
def self.matches(patterns, line)
patterns.each do |pattern|
variables = find_variables(pattern)
regex=pattern
variables.each do |var|
var_regex = find_regex((var))
var_regex = "#{Construqt::Util::PORTS_DEF_REGEXP}" unless var_regex
regex=regex.gsub(var, var_regex)
end
regex=regex.gsub(" ", "\\s+")
regex="^"+regex+"$"
if (matchdata=line.match(regex))
values={"pattern" => pattern}
(1..variables.length).each do |i|
if find_regex((variables[i-1])).nil?
values[variables[i-1]]=Construqt::Util.expandRangeDefinition(matchdata[i])
else
values[variables[i-1]]=[matchdata[i]]
end
end
return values
end
end
return false
end
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.parse_line(line, lines, section, result) ⇒ Object
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# File 'lib/construqt/flavour/ciscian/ciscian.rb', line 405
def self.parse_line(line, lines, section, result)
entry=matches(self.patterns, line.to_s)
return false unless entry
section.add(self.section, self).add(entry)
return true
end
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.variables(patterns) ⇒ Object
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# File 'lib/construqt/flavour/ciscian/ciscian.rb', line 392
def self.variables(patterns)
variables=[]
patterns.each do |pattern|
variables+=find_variables(pattern)
end
return variables
end
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Instance Method Details
#add(entry) ⇒ Object
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# File 'lib/construqt/flavour/ciscian/ciscian.rb', line 381
def add(entry)
changes << entry
self
end
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#determine_output_patterns(value_sets) ⇒ Object
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# File 'lib/construqt/flavour/ciscian/ciscian.rb', line 564
def determine_output_patterns(value_sets)
output_patterns=[]
empty_pattern = nil
self.class.patterns.each do |pattern|
pvs = self.class.find_variables(pattern)
if (pvs.empty?)
empty_pattern=pattern
else
pvs.each do |pv|
if (!value_sets[pv].nil? && !value_sets[pv].empty?)
output_patterns << pattern
break
end
end
end
end
output_patterns << empty_pattern if output_patterns.empty? && !empty_pattern.nil?
return output_patterns
end
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#find_key_var ⇒ Object
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# File 'lib/construqt/flavour/ciscian/ciscian.rb', line 488
def find_key_var
key_var=nil
changes.each do |entry|
entry.keys.each do |v|
if self.class.is_key_value?(v)
throw "can only have one key value variable in pattern {*var}" if key_var !=nil && key_var !=v
key_var = v
end
end
end
return key_var
end
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#integrate ⇒ Object
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# File 'lib/construqt/flavour/ciscian/ciscian.rb', line 518
def integrate
set_keys = keys_of_set
sets={}
set_keys.each do |key_val|
sets[key_val] = {}
end
set_keys.each do |key_val|
self.class.variables(self.class.patterns).each do |v|
if self.class.is_key_value?(v)
sets[key_val][v]=key_val
elsif self.class.is_value?(v)
sets[key_val][v]=nil
else
sets[key_val][v]=[]
end
end
end
key_var=find_key_var
changes.each do |entry|
sets.each do|key_val,value_sets|
value_sets.each do |v,set|
if (entry[key_var]==key_val)
if self.class.is_key_value?(v)
value_sets[v] = entry[v]
elsif self.class.is_value?(v)
value_sets[v] = entry[v]
else
value_sets[v] += entry[v] if entry[v]
value_sets[v] = value_sets[v].reverse.uniq.reverse
value_sets[self.class.invert(v)] -= entry[v] if entry[v] && value_sets[self.class.invert(v)]
end
end
end
end
end
return sets
end
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#keys_of_set ⇒ Object
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# File 'lib/construqt/flavour/ciscian/ciscian.rb', line 503
def keys_of_set
keys=[]
key_var=find_key_var
if key_var
changes.each do |entry|
keys << entry[key_var] if entry[key_var]
end
end
return keys unless keys.empty?
return [nil]
end
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#serialize ⇒ Object
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# File 'lib/construqt/flavour/ciscian/ciscian.rb', line 585
def serialize
buffer = []
sets = integrate
group=true
self.class.variables(self.class.patterns).each do |v|
group=false unless self.class.find_regex(self.class.(v)).nil?
end
sets.each do |key_val,value_sets|
determine_output_patterns(value_sets).each do |pattern|
index = 0
i = 0
begin
substitution=false
result = pattern
i += 1
self.class.find_variables(pattern).each do |v|
if (group)
if self.class.is_value?(v) || self.class.is_key_value?(v)
result = result.gsub(v, value_sets[v].to_s) unless value_sets[v].nil? || value_sets[v].to_s.empty?
else
result = result.gsub(v, Construqt::Util.createRangeDefinition(value_sets[v])) unless value_sets[v].nil? || value_sets[v].empty?
end
else
if (index < value_sets[v].length)
result = result.gsub(v, value_sets[v][index])
substitution=true
end
end
end
buffer << result if self.class.find_variables(result).empty?
index+=1
end while substitution
end
end
return buffer
end
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#yes ⇒ Object
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# File 'lib/construqt/flavour/ciscian/ciscian.rb', line 378
def yes
end
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