Class: Ridgepole::DSLParser::Context

Inherits:
Object
  • Object
show all
Defined in:
lib/ridgepole/dsl_parser/context.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ Context

Returns a new instance of Context.



6
7
8
9
10
 
# File 'lib/ridgepole/dsl_parser/context.rb', line 6

def initialize(opts = {})
  @__working_dir = File.expand_path(opts[:path] ? File.dirname(opts[:path]) : Dir.pwd)
  @__definition = {}
  @__execute = []
end

Instance Attribute Details

#__definition ⇒ Object (readonly)

Returns the value of attribute __definition.



3
4
5
 
# File 'lib/ridgepole/dsl_parser/context.rb', line 3

def __definition
  @__definition
end

#__execute ⇒ Object (readonly)

Returns the value of attribute __execute.



4
5
6
 
# File 'lib/ridgepole/dsl_parser/context.rb', line 4

def __execute
  @__execute
end

Class Method Details

.eval(dsl, opts = {}) ⇒ Object 



12
13
14
15
16
17
18
19
20
21
22
 
# File 'lib/ridgepole/dsl_parser/context.rb', line 12

def self.eval(dsl, opts = {})
  ctx = self.new(opts)

  if opts[:path]
    ctx.instance_eval(dsl, opts[:path])
  else
    ctx.instance_eval(dsl)
  end

  [ctx.__definition, ctx.__execute]
end

Instance Method Details

#add_foreign_key(from_table, to_table, options = {}) ⇒ Object 



84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
 
# File 'lib/ridgepole/dsl_parser/context.rb', line 84

def add_foreign_key(from_table, to_table, options = {})
  from_table = from_table.to_s
  to_table = to_table.to_s
  options[:name] = options[:name].to_s if options[:name]
  @__definition[from_table] ||= {}
  @__definition[from_table][:foreign_keys] ||= {}
  idx = options[:name] || [from_table, to_table]

  if @__definition[from_table][:foreign_keys][idx]
    raise "Foreign Key `#{from_table}(#{idx})` already defined"
  end

  @__definition[from_table][:foreign_keys][idx] = {
    :to_table => to_table,
    :options => options,
  }
end

#add_index(table_name, column_name, options = {}) ⇒ Object 



49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
 
# File 'lib/ridgepole/dsl_parser/context.rb', line 49

def add_index(table_name, column_name, options = {})
  table_name = table_name.to_s
  # Keep column_name for expression index support
  # https://github.com/rails/rails/pull/23393
  unless column_name.is_a?(String) && /\W/ === column_name
    column_name = [column_name].flatten.map {|i| i.to_s }
  end
  options[:name] = options[:name].to_s if options[:name]
  @__definition[table_name] ||= {}
  @__definition[table_name][:indices] ||= {}
  idx = options[:name] || column_name

  if @__definition[table_name][:indices][idx]
    raise "Index `#{table_name}(#{idx})` already defined"
  end

  if options[:length].is_a?(Numeric)
    index_length = options[:length]
    options[:length] = {}

    column_name.each do |col|
      options[:length][col] = index_length
    end
  end

  if options[:length]
    options[:length] = options[:length].compact.symbolize_keys
  end

  @__definition[table_name][:indices][idx] = {
    :column_name => column_name,
    :options => options,
  }
end

#create_table(table_name, options = {}) {|table_definition| ... } ⇒ Object

Yields:

  • (table_definition) 


24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
 
# File 'lib/ridgepole/dsl_parser/context.rb', line 24

def create_table(table_name, options = {})
  table_name = table_name.to_s
  table_definition = TableDefinition.new(table_name, self)

  if options[:primary_key] and options[:primary_key].is_a?(Symbol)
    options[:primary_key] = options[:primary_key].to_s
  end
  if options[:id] and TableDefinition::ALIAS_TYPES.has_key?(options[:id])
    type, type_default_opts = TableDefinition::ALIAS_TYPES[options[:id]]
    options[:id] = type
    options = type_default_opts.merge(options)
  end

  yield(table_definition)
  @__definition[table_name] ||= {}

  if @__definition[table_name][:definition]
    raise "Table `#{table_name}` already defined"
  end

  @__definition[table_name][:definition] = table_definition.__definition
  options.delete(:force)
  @__definition[table_name][:options] = options
end

#execute(sql, name = nil, &cond) ⇒ Object 



114
115
116
117
118
119
 
# File 'lib/ridgepole/dsl_parser/context.rb', line 114

def execute(sql, name = nil, &cond)
  @__execute << {
    :sql => sql,
    :condition => cond,
  }
end

#require(file) ⇒ Object 



102
103
104
105
106
107
108
109
110
111
112
 
# File 'lib/ridgepole/dsl_parser/context.rb', line 102

def require(file)
  schemafile = (file =~ %r|\A/|) ? file : File.join(@__working_dir, file)

  if File.exist?(schemafile)
    instance_eval(File.read(schemafile), schemafile)
  elsif File.exist?(schemafile + '.rb')
    instance_eval(File.read(schemafile + '.rb'), schemafile + '.rb')
  else
    Kernel.require(file)
  end
end