Class: Gonzui::TextBeautifier

Inherits:
Object
  • Object
show all
Defined in:
lib/gonzui/webapp/markup.rb

Instance Method Summary collapse

Constructor Details

#initialize(content, digest, occurrences, search_uri) ⇒ TextBeautifier

Returns a new instance of TextBeautifier.



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# File 'lib/gonzui/webapp/markup.rb', line 18

def initialize(content, digest, occurrences, search_uri)
  @content = content
  @digest = digest # to be destroyed
  @occurrences = occurrences # to be destroyed
  @search_uri = search_uri

  @break_points = [0, @content.length]
  @lines = {}
  pos = lineno = 0
  @content.each_line {|line|
    lineno += 1
    @break_points.push(pos)
    @lines[pos] = [lineno, line]
    pos += line.length
  }
  @digest.each {|info|
    @break_points.push(info.byteno)
    @break_points.push(info.end_byteno)
  }
  @occurrences.each {|occ|
    @break_points.push(occ.byteno)
    @break_points.push(occ.end_byteno)
  }
  @break_points.uniq!
  @break_points.sort!

  @info = @digest.shift
  @occ = @occurrences.shift
  @seen_ids = {}
  @latest_id = "0"
end

Instance Method Details

#beautify ⇒ Object 



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# File 'lib/gonzui/webapp/markup.rb', line 106

def beautify
  code = []
  bp = @break_points.shift
  line = nil
  while not @break_points.empty?
    ep = @break_points.shift
    if @lines.include?(bp)
      code.push(line) if line
      line = make_lineno_part(bp)
    end
    part = markup_part(bp, ep)
    line.push(part)
    bp = ep
  end
  code.push(line) if line
  return code
end

#choose_target_type ⇒ Object 



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# File 'lib/gonzui/webapp/markup.rb', line 57

def choose_target_type
  case @info.type
  when :fundef 
    :funcall
  when :funcall
    :fundef
  when :fundecl
    :fundef
  else 
    assert_not_reached
  end
end

#decorate(text) ⇒ Object 



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# File 'lib/gonzui/webapp/markup.rb', line 70

def decorate(text)
  unless @seen_ids.include?(text)
    @seen_ids[text] = @latest_id
    @latest_id = @latest_id.next
  end
  id = @seen_ids[text]
  inner = [:span, {:class => id, :onmouseover => "hl('#{id}');"}, text]
  part = [:span, {:class => @info.type.to_s}, inner]
    
  if LangScan::Type.function?(@info.type)
    tt = choose_target_type
    query_string =  sprintf("%s:%s", tt, HTTPUtils.escape_form(text))
    uri = @search_uri + query_string
    part = [:a, {:href => uri}, part]
  end
  return part
end

#make_line_mark(lineno) ⇒ Object 



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# File 'lib/gonzui/webapp/markup.rb', line 50

def make_line_mark(lineno)
  anchor = "l" + lineno.to_s
  [:span, {:class => "lineno", :onclick => "olnc(this);"},
    [:a, {:id => anchor, :name => anchor, :href => "#" + anchor}, 
      sprintf("%5d: ", lineno)]]
end

#make_lineno_part(bp) ⇒ Object 



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# File 'lib/gonzui/webapp/markup.rb', line 101

def make_lineno_part(bp)
  lineno, line = @lines[bp]
  [:span, {:class => "line", :title => line}, make_line_mark(lineno)]
end

#markup_part(bp, ep) ⇒ Object 



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# File 'lib/gonzui/webapp/markup.rb', line 88

def markup_part(bp, ep)
  part =  @content[bp...ep]
  if @info and (bp == @info.byteno or @info.range.include?(bp))
    part = decorate(part)
    @info = @digest.shift if @info.end_byteno <= ep
  end
  if @occ and (bp == @occ.byteno or @occ.range.include?(bp))
    part = [:strong, {:class => "highlight"}, part]
    @occ = @occurrences.shift if @occ.end_byteno <= ep
  end
  return part
end