Class: Configuration
- Inherits:
-
Object
show all
- Defined in:
- lib/configuration.rb
Defined Under Namespace
Modules: VERSION
Classes: ConfFile, InvalidKey
Instance Attribute Summary collapse
Instance Method Summary
collapse
Constructor Details
#initialize(base, dir_tree = []) ⇒ Configuration
Returns a new instance of Configuration.
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# File 'lib/configuration.rb', line 39
def initialize(base, dir_tree=[])
@base = File.expand_path(base).freeze
@files = {}
unless File.directory?(@base) && File.exist?("#@base/.configdir.yaml") then
if File.file?(@base) then
raise "Can't create directory #@base because of existing file #@base"
end
if File.exist?(@base) then
raise "Directory #@base already exists and is not a configuration directory"
end
end
unless File.exist?(@base) then
FileUtils.mkdir_p(@base)
File.open("#@base/.configdir.yaml", "w") { |fh|
fh.write({
:created => Time.now,
:modified => Time.now,
:revision => 1,
}.to_yaml)
}
end
setup(dir_tree)
end
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Instance Attribute Details
#base ⇒ Object
Returns the value of attribute base.
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# File 'lib/configuration.rb', line 37
def base
@base
end
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Instance Method Details
#[](key) ⇒ Object
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# File 'lib/configuration.rb', line 65
def [](key)
file, key = split(key)
return nil unless key_exist?(file, key)
key ? @files[file][key] : @files[file]
end
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#[]=(key, value) ⇒ Object
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# File 'lib/configuration.rb', line 71
def []=(key, value)
file, key = split(key)
load(file)
if key then
if Hash === @files[file] then
@files[file][key] = value
else
@files[file] = {key => value}
end
else
@files[file] = value
end
store(file)
value
end
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#delete(key) ⇒ Object
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# File 'lib/configuration.rb', line 93
def delete(key)
file, key = split(key)
return nil unless key_exist?(file, key) and File.exist?(file)
if key.empty? then
File.delete(file)
else
load(file)
@files[file].delete(key)
store(file)
end
end
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#exist?(key) ⇒ Boolean
Also known as:
has_key?
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# File 'lib/configuration.rb', line 87
def exist?(key)
file, key = split(key)
key_exist?(file, key)
end
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#setup(dirs) ⇒ Object
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# File 'lib/configuration.rb', line 105
def setup(dirs)
FileUtils.mkdir_p(dirs.map { |dir| "#@base/#{dir}" })
end
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