Class: Balmora::Variables
- Inherits:
-
Object
- Object
- Balmora::Variables
show all
- Defined in:
- lib/balmora/variables.rb
Defined Under Namespace
Classes: Config, Error, Options, Variables
Class Method Summary
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Instance Method Summary
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Constructor Details
#initialize(extension, shell, state) ⇒ Variables
Returns a new instance of Variables.
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# File 'lib/balmora/variables.rb', line 9
def initialize(extension, shell, state)
@extension = extension
@shell = shell
@state = state
end
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Class Method Details
.factory(state) ⇒ Object
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# File 'lib/balmora/variables.rb', line 5
def self.factory(state)
return self.new(state.extension, state.shell, state)
end
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Instance Method Details
#_inject_array(value, string) ⇒ Object
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# File 'lib/balmora/variables.rb', line 63
def _inject_array(value, string)
result = []
value.each_with_index() { |item, index|
if item.instance_of?(::Hash) && item.keys() == [:'extend-variable']
result += get(item[:'extend-variable'])
else
result.push(inject(item, string))
end
}
return result
end
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#_inject_hash(value, string) ⇒ Object
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# File 'lib/balmora/variables.rb', line 77
def _inject_hash(value, string)
result = {}
value.each() { |key, item|
if key == :'include-variable'
result.merge!(get(item))
else
result[key] = inject(item, string)
end
}
return result
end
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#_inject_string(value) ⇒ Object
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# File 'lib/balmora/variables.rb', line 90
def _inject_string(value)
value = value.gsub('\\\\', '{{__ESCAPED_SLASH__}}')
if value.match(/(?<!\\)\#\{/)
value = value.gsub('\\#', '#')
value = eval('"' + value + '"')
end
value = value.gsub(/(?<!\\)\${(.*?)}/) { |string | get(string[2...-1]) }
value = value.gsub(/(?<!\\)\%{(.*?)}/) { |string |
command = @shell.expression(string[2...-1])
@shell.run!([command], verbose: false, message: 'Executing embedded ' +
'command: ').rstrip()
}
value = value.gsub('\\$', '$')
value = value.gsub('\\%', '%')
value = value.gsub('{{__ESCAPED_SLASH__}}', '\\')
end
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#get(name) ⇒ Object
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# File 'lib/balmora/variables.rb', line 15
def get(name)
if !name.instance_of?(::Array)
name = name.split('.').collect() { |part| part.to_sym() }
else
name = name.clone()
end
parts = []
provider = @extension.get(Balmora::Variables, name.shift()).factory(@state)
result =
name.
inject(provider) { |current, part|
parts.push(part)
if current.instance_of?(::Hash)
if !current.has_key?(part)
raise Error.new("Unknown variable #{parts.join('.')}")
end
next current[part]
end
if !current.respond_to?(part)
raise Error.new("Unknown variable #{parts.join('.')}")
end
next current.public_send(part)
}
return result
end
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#inject(value, string = true) ⇒ Object
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# File 'lib/balmora/variables.rb', line 48
def inject(value, string = true)
result =
if value.instance_of?(::Array)
_inject_array(value, string)
elsif value.instance_of?(::Hash)
_inject_hash(value, string)
elsif value.instance_of?(::String) && string
_inject_string(value)
else
value
end
return result
end
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