Class: BitClust::RefsDatabase

Inherits:
Object
  • Object
show all
Defined in:
lib/bitclust/refsdatabase.rb

Overview

Corresponds to db-x.y.z/refs file.

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ RefsDatabase

Returns a new instance of RefsDatabase.



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# File 'lib/bitclust/refsdatabase.rb', line 36

def initialize
  @h = {}
end

Class Method Details

.load(src) ⇒ Object 



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# File 'lib/bitclust/refsdatabase.rb', line 13

def self.load(src)
  if src.respond_to?(:to_str)
    # @type var src: _ToStr
    buf = fopen(src.to_str, 'r:UTF-8'){|f| f.read}
  elsif src.respond_to?(:to_io)
    # @type var src: _ToIO
    buf = src.to_io.read
  else
    # @type var src: _Reader
    buf = src.read
  end

  refs = self.new
  buf&.each_line{|l|
    if /((?:\\,|[^,])+),((?:\\,|[^,])+),((?:\\,|[^,])+),((?:\\,|[^,])+)\n/ =~ l
      type, id, linkid, desc = [$1, $2, $3, $4].map{|e| e&.gsub(/\\(.)/){|s| $1 == ',' ? ',' : s } }
      type || raise; id || raise; linkid || raise; desc || raise
      refs[type, id, linkid] = desc
    end
  }
  refs
end

Instance Method Details

#[](type, mid, linkid) ⇒ Object 



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# File 'lib/bitclust/refsdatabase.rb', line 44

def [](type, mid, linkid)
  @h[[type.to_s, mid, linkid]]
end

#[]=(type, mid, linkid, desc) ⇒ Object 



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# File 'lib/bitclust/refsdatabase.rb', line 40

def []=(type, mid, linkid, desc)
  @h[[type.to_s, mid, linkid]] = desc
end

#extract(entry) ⇒ Object 



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# File 'lib/bitclust/refsdatabase.rb', line 67

def extract(entry)
  entry.source.each_line{|l|
    anchor, label =
      if /\A={1,6}\[a:([-\w]+)\] *(.*)/ =~ l
        [$1, $2]
      elsif /\A\#{1,6} +(.*?) *\{#([-\w]+)\}\s*\z/ =~ l
        # md ソース: 「### 見出し {#anchor}」形式（M3 ネイティブパース）。
        # ラベルは rd 表示形へ戻す（\` エスケープ解除等。pattern_matching）
        Kernel.require 'bitclust/markdown_to_rrd'
        [$2, ::BitClust::MarkdownToRRD.restore_description($1 || raise)]
      end
    next unless anchor
    entry.labels.each{|name|
      self[entry.class.type_id, name, anchor || raise] = label || raise
    }
  }
end

#save(s) ⇒ Object 



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# File 'lib/bitclust/refsdatabase.rb', line 48

def save(s)
  if s.respond_to?(:to_str)
    # @type var s: _ToStr
    path = s.to_str
    io = fopen(path, 'w:UTF-8')
  elsif s.respond_to?(:to_io)
    # @type var s: _ToIO
    io = s.to_io
  else
    io = s
  end
  # @type var io: IO

  @h.sort.each{|k, v|
    io.write(  [k, v].flatten.map{|e| e.gsub(/,/, '\\,') }.join(',') + "\n" )
  }
  io.close
end