Method: Tree.construct_path

Defined in:
lib/xiki/tree.rb

.construct_path(options = {}) ⇒ Object

Mapped to Enter when on a FileTree buffer. Opens file cursor is on in the tree. It assumes the path to a dir is on the current line.



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# File 'lib/xiki/tree.rb', line 740

def self.construct_path options={}
  begin
    path = []
    orig = $el.point

    # Do until we're at a root
    line = Line.value
    clean = self.clean_path line
    while(line =~ /^ / && (options[:all] || clean !~ /^@/))
      line =~ /^  ( *)(.*)/
      spaces, item = $1, $2
      item = clean unless options[:raw]   # Removes labels, ##..., **...
      if item != ""   # If item wasn't completely cleaned away
        path.unshift item  # Add item to list
      end
      $el.search_backward_regexp "^#{spaces}[^\t \n]"

      # If ignoring Ol lines, keep searching until not on one
      if options[:ignore_ol]
        while Line =~ /^[# ]*Ol\b/
          $el.search_backward_regexp "^#{spaces}[^\t \n]"
        end
      end

      line = Line.value
      clean = self.clean_path line
    end
    # Add root of tree
    root = Line.value.sub(/^ +/, '')
    root = self.clean_path(root) unless options[:raw]
    root.slice! /^@ ?/
    path.unshift root

    last = path.length - 1
    path = path.map_with_index{|o, i|
      next o if i == last   # Don't add slash to last
      o =~ /\/$/ ? o : "#{o}/"
    } if options[:slashes]

    $el.goto_char orig
    if options[:indented]
      indentify_path path
    elsif options[:list]
      path
    else
      path.join
    end
  rescue Exception=>e
    raise ".construct_path couldn't construct the path - is this a well-formed tree\?: #{e}"
  end
end