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  1. #!/usr/bin/env ruby
  2.  
  3. require 'parslet'
  4. require 'pp'
  5.  
  6.  
  7. class Stellaris < Parslet::Parser
  8.   rule(:space)      { match('\s').repeat(1) }
  9.   rule(:space?)     { match('\s').repeat }
  10.   rule(:leftbrace)  { match('{') >> space? }
  11.   rule(:rightbrace) { match('}') >> space? }
  12.  
  13.   rule(:number)     { match('-').maybe >> match('[0-9]').repeat(1) >> (match('\.') >> match('[0-9]').repeat(1)).maybe }
  14.  
  15.   rule(:string)     { match('"') >> match('[^"]').repeat >> match('"') }
  16.   rule(:dictionary) { leftbrace >> keyvalue.repeat >> rightbrace }
  17.   rule(:array)      { leftbrace >> value.repeat >> rightbrace }
  18.   rule(:identifier) { match('[a-zA-Z]') >> match('[a-zA-Z0-9_:]').repeat }
  19.   rule(:value)      { (string | number | dictionary | array | identifier) >> space? }
  20.   rule(:equals)     { match('=') }
  21.  
  22.   rule(:key)        { identifier | number | equals }
  23.   rule(:keyvalue)   { key >> equals >> value >> space? }
  24.   rule(:save)       { keyvalue.repeat }
  25.  
  26.   root(:save)
  27. end
  28.  
  29. s = <<EOF
  30. version="Capek v1.8.3"
  31. version_control_revision=31272
  32. galactic_object={
  33. 	530={
  34. 		coordinate={
  35. 			x=-304.038
  36. 			y=-266.816
  37. 			origin=4294967295
  38. 			randomized=yes
  39. 		}
  40. 		type=star
  41. 		name="NAME_Unicomplex_01"
  42. 		planet=0
  43. 		planet=1
  44. 		planet=16777392
  45. 		planet=16777393
  46. 		planet=16777394
  47. 		ambient_object={
  48. 			0 1 50331731 50331732 16777301 
  49. 		}
  50. 		star_class="sc_m"
  51. 		hyperlane={
  52. {
  53. 				to=565
  54. 				length=21.000
  55. 			}
  56. {
  57. 				to=564
  58. 				length=16.000
  59. 			}
  60. {
  61. 				to=484
  62. 				length=12.000
  63. 			}
  64. 		}
  65. 		discovery={
  66. 			70 35 39 
  67. 		}
  68. 		flags={
  69. 			borg_homeworld=62376000
  70. 			unicomplex_2=62376000
  71. 			unicomplex_1:0=62376000
  72. 		}
  73. 		initializer="borg_initializer"
  74. 		fleet_presence={
  75. 			0 1 522 654 1593 16778808 16777494 16777590 33556588 67109333 
  76. 		}
  77. 		inner_radius=150.000
  78. 		outer_radius=250.000
  79. 	}
  80. }
  81. EOF
  82.  
  83. puts "Parsing..."
  84. begin
  85.   tree = Stellaris.new.parse(s)
  86.   pp tree
  87. rescue Parslet::ParseFailed => failure
  88.   puts failure.parse_failure_cause.ascii_tree
  89. end
  90. puts "Done"
  91.  
Runtime error #stdin #stdout #stderr 0s 28688KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
prog.rb:3:in `require': cannot load such file -- parslet (LoadError)
	from prog.rb:3:in `<main>'
https://ideone.com/zyOChb
language:
Ruby (ruby 2.5.5)
created:
7 years ago
visibility:
public

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