Class: SyntaxTree::CLI::CTags

Inherits:
Action
  • Object
show all
Defined in:
lib/syntax_tree/cli.rb

Overview

An action of the CLI that generates ctags for the given source.

Instance Attribute Summary collapse

Attributes inherited from Action

#options

Instance Method Summary collapse

Methods inherited from Action

#failure

Constructor Details

#initialize(options) ⇒ CTags

Returns a new instance of CTags.



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# File 'lib/syntax_tree/cli.rb', line 161

def initialize(options)
  super(options)
  @entries = []
end

Instance Attribute Details

#entries ⇒ Object (readonly)

Returns the value of attribute entries.



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# File 'lib/syntax_tree/cli.rb', line 159

def entries
  @entries
end

Instance Method Details

#run(item) ⇒ Object 



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# File 'lib/syntax_tree/cli.rb', line 166

def run(item)
  lines = item.source.lines(chomp: true)

  SyntaxTree
    .index(item.source)
    .each do |entry|
      line = lines[entry.location.line - 1]
      pattern = "/^#{line.gsub("\\", "\\\\\\\\").gsub("/", "\\/")}$/;\""

      entries << case entry
      when SyntaxTree::Index::ModuleDefinition
        parts = [entry.name, item.filepath, pattern, "m"]

        if entry.nesting != [[entry.name]]
          parts << "class:#{entry.nesting.flatten.tap(&:pop).join(".")}"
        end

        parts.join("\t")
      when SyntaxTree::Index::ClassDefinition
        parts = [entry.name, item.filepath, pattern, "c"]

        if entry.nesting != [[entry.name]]
          parts << "class:#{entry.nesting.flatten.tap(&:pop).join(".")}"
        end

        unless entry.superclass.empty?
          inherits = entry.superclass.join(".").delete_prefix(".")
          parts << "inherits:#{inherits}"
        end

        parts.join("\t")
      when SyntaxTree::Index::MethodDefinition
        parts = [entry.name, item.filepath, pattern, "f"]

        unless entry.nesting.empty?
          parts << "class:#{entry.nesting.flatten.join(".")}"
        end

        parts.join("\t")
      when SyntaxTree::Index::SingletonMethodDefinition
        parts = [entry.name, item.filepath, pattern, "F"]

        unless entry.nesting.empty?
          parts << "class:#{entry.nesting.flatten.join(".")}"
        end

        parts.join("\t")
      when SyntaxTree::Index::AliasMethodDefinition
        parts = [entry.name, item.filepath, pattern, "a"]

        unless entry.nesting.empty?
          parts << "class:#{entry.nesting.flatten.join(".")}"
        end

        parts.join("\t")
      when SyntaxTree::Index::ConstantDefinition
        parts = [entry.name, item.filepath, pattern, "C"]

        unless entry.nesting.empty?
          parts << "class:#{entry.nesting.flatten.join(".")}"
        end

        parts.join("\t")
      end
    end
end

#success ⇒ Object 



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# File 'lib/syntax_tree/cli.rb', line 233

def success
  puts(<<~HEADER)
    !_TAG_FILE_FORMAT	2	/extended format; --format=1 will not append ;" to lines/
    !_TAG_FILE_SORTED	1	/0=unsorted, 1=sorted, 2=foldcase/
  HEADER

  entries.sort.each { |entry| puts(entry) }
end