Class: Unicoder::Builder::Scripts

Inherits:
Object
  • Object
show all
Includes:
Unicoder::Builder, MultiDimensionalArrayBuilder
Defined in:
lib/unicoder/builders/scripts.rb

Instance Attribute Summary

Attributes included from Unicoder::Builder

#formats, #index, #option

Instance Method Summary collapse

Methods included from MultiDimensionalArrayBuilder

#assign_codepoint, #compress!, #remove_trailing_nils!

Methods included from Unicoder::Builder

#assign, #assign_codepoint, build, #export, #initialize, #meta, #parse_file

Instance Method Details

#assign_classic(sub_index_name, codepoint, value) ⇒ Object

TODO refactor how multiple indexes are organized



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# File 'lib/unicoder/builders/scripts.rb', line 31

def assign_classic(sub_index_name, codepoint, value)
  idx = @index[sub_index_name]

  if option =~ /charkeys/
    idx[[codepoint].pack("U*")] = value
  else
    idx[codepoint] = value
  end
end

#initialize_index ⇒ Object 



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# File 'lib/unicoder/builders/scripts.rb', line 7

def initialize_index
  @index = {
    SCRIPTS: [],
    SCRIPT_EXTENSIONS: {},
    SCRIPT_ALIASES: {},
    SCRIPT_NAMES: [],
    OFFSETS: [
      0x10000,
      0x1000,
      0x100,
      0x10
    ],
  }
  @reverse_script_names = {}
  @reverse_script_extension_names = {}
end

#lookup_extension_names(extension_scripts_string) ⇒ Object 



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# File 'lib/unicoder/builders/scripts.rb', line 24

def lookup_extension_names(extension_scripts_string)
  extension_scripts_string.split(" ").map{ |extension_script|
    @reverse_script_extension_names[extension_script]
  }
end

#parse! ⇒ Object 



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# File 'lib/unicoder/builders/scripts.rb', line 41

def parse!
  parse_file :property_value_aliases, :line, regex: /^sc ; (?<short>\S+?)\s*; (?<long>\S+?)(?:\s*; (?<short2>\S+))?$/ do |line|
    @index[:SCRIPT_NAMES] << line["long"]
    script_number = @reverse_script_names.size
    @reverse_script_names[line["long"]] = script_number

    @index[:SCRIPT_ALIASES][line["short" ]] = script_number
    @index[:SCRIPT_ALIASES][line["short2"]] = script_number if line["short2"]
    @reverse_script_extension_names[line["short"]] = script_number
  end

  parse_file :scripts, :line, regex: /^(?<from>\S+?)(\.\.(?<to>\S+))?\s+; (?<script>\S+) #.*$/ do |line|
    if line["to"]
      (line["from"].to_i(16)..line["to"].to_i(16)).each{ |codepoint|
        assign_codepoint codepoint, @reverse_script_names[line["script"]], @index[:SCRIPTS]
      }
    else
      assign_codepoint line["from"].to_i(16), @reverse_script_names[line["script"]], @index[:SCRIPTS]
    end
  end

  4.times{ compress! @index[:SCRIPTS] }

  parse_file :script_extensions, :line, regex: /^(?<from>\S+?)(\.\.(?<to>\S+))?\s+; (?<scripts>.+?) #.*$/ do |line|
    if line["to"]
      (line["from"].to_i(16)..line["to"].to_i(16)).each{ |codepoint|
        assign_classic :SCRIPT_EXTENSIONS, codepoint, lookup_extension_names(line["scripts"])
      }
    else
      assign_classic :SCRIPT_EXTENSIONS, line["from"].to_i(16), lookup_extension_names(line["scripts"])
    end
  end
end