Class: Coopy::DiffRender

Inherits:
Object
  • Object
show all
Defined in:
lib/lib/coopy/diff_render.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ DiffRender

Returns a new instance of DiffRender.



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# File 'lib/lib/coopy/diff_render.rb', line 7

def initialize
  @text_to_insert = Array.new
  @open = false
  @pretty_arrows = true
end

Instance Attribute Details

#open ⇒ Object

Returns the value of attribute open.



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# File 'lib/lib/coopy/diff_render.rb', line 18

def open
  @open
end

#pretty_arrows ⇒ Object

Returns the value of attribute pretty_arrows.



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# File 'lib/lib/coopy/diff_render.rb', line 19

def pretty_arrows
  @pretty_arrows
end

#td_close ⇒ Object

Returns the value of attribute td_close.



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# File 'lib/lib/coopy/diff_render.rb', line 17

def td_close
  @td_close
end

#td_open ⇒ Object

Returns the value of attribute td_open.



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# File 'lib/lib/coopy/diff_render.rb', line 16

def td_open
  @td_open
end

#text_to_insert ⇒ Object

protected - in ruby this doesn’t play well with static/inline methods



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# File 'lib/lib/coopy/diff_render.rb', line 15

def text_to_insert
  @text_to_insert
end

Class Method Details

.examine_cell(x, y, value, vcol, vrow, vcorner, cell) ⇒ Object 



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# File 'lib/lib/coopy/diff_render.rb', line 135

def DiffRender.examine_cell(x,y,value,vcol,vrow,vcorner,cell)
  cell.category = ""
  cell.category_given_tr = ""
  cell.separator = ""
  cell.conflicted = false
  cell.updated = false
  cell.pvalue = cell.lvalue = cell.rvalue = nil
  cell.value = value
  cell.value = "" if cell.value == nil
  cell.pretty_value = cell.value
  vrow = "" if vrow == nil
  vcol = "" if vcol == nil
  removed_column = false
  cell.category = "move" if vrow == ":"
  if (vcol.index("+++",nil || 0) || -1) >= 0 
    cell.category_given_tr = cell.category = "add"
  elsif (vcol.index("---",nil || 0) || -1) >= 0 
    cell.category_given_tr = cell.category = "remove"
    removed_column = true
  end
  if vrow == "!" 
    cell.category = "spec"
  elsif vrow == "@@" 
    cell.category = "header"
  elsif vrow == "+++" 
    cell.category = "add" if !removed_column
  elsif vrow == "---" 
    cell.category = "remove"
  elsif (vrow.index("->",nil || 0) || -1) >= 0 
    if !removed_column 
      tokens = vrow.split("!")
      full = vrow
      part = tokens[1]
      part = full if part == nil
      if (cell.value.index(part,nil || 0) || -1) >= 0 
        cat = "modify"
        div = part
        if part != full 
          if (cell.value.index(full,nil || 0) || -1) >= 0 
            div = full
            cat = "conflict"
            cell.conflicted = true
          end
        end
        cell.updated = true
        cell.separator = div
        if cell.pretty_value == div 
          tokens = ["",""]
        else 
          tokens = cell.pretty_value.split(div)
        end
        pretty_tokens = tokens
        if tokens.length >= 2 
          pretty_tokens[0] = ::Coopy::DiffRender.mark_spaces(tokens[0],tokens[1])
          pretty_tokens[1] = ::Coopy::DiffRender.mark_spaces(tokens[1],tokens[0])
        end
        if tokens.length >= 3 
          ref = pretty_tokens[0]
          pretty_tokens[0] = ::Coopy::DiffRender.mark_spaces(ref,tokens[2])
          pretty_tokens[2] = ::Coopy::DiffRender.mark_spaces(tokens[2],ref)
        end
        cell.pretty_value = pretty_tokens.join([8594].pack("U"))
        cell.category_given_tr = cell.category = cat
        offset = nil
        if cell.conflicted 
          offset = 1
        else 
          offset = 0
        end
        cell.lvalue = tokens[offset]
        cell.rvalue = tokens[offset + 1]
        cell.pvalue = tokens[0] if cell.conflicted
      end
    end
  end
end

.mark_spaces(sl, sr) ⇒ Object 



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# File 'lib/lib/coopy/diff_render.rb', line 212

def DiffRender.mark_spaces(sl,sr)
  return sl if sl == sr
  return sl if sl == nil || sr == nil
  slc = sl.gsub(" ","")
  src = sr.gsub(" ","")
  return sl if slc != src
  slo = String.new("")
  il = 0
  ir = 0
  while(il < sl.length) 
    cl = sl[il]
    cr = ""
    cr = sr[ir] if ir < sr.length
    if cl == cr 
      slo += cl
      il+=1
      ir+=1
    elsif cr == " " 
      ir+=1
    else 
      slo += [9251].pack("U")
      il+=1
    end
  end
  return slo
end

.render_cell(tt, x, y) ⇒ Object 



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# File 'lib/lib/coopy/diff_render.rb', line 239

def DiffRender.render_cell(tt,x,y)
  cell = ::Coopy::CellInfo.new
  corner = tt.get_cell_text(0,0)
  off = nil
  if corner == "@:@" 
    off = 1
  else 
    off = 0
  end
  ::Coopy::DiffRender.examine_cell(x,y,tt.get_cell_text(x,y),tt.get_cell_text(x,off),tt.get_cell_text(off,y),corner,cell)
  return cell
end

Instance Method Details

#begin_row(mode) ⇒ Object 



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# File 'lib/lib/coopy/diff_render.rb', line 37

def begin_row(mode)
  @td_open = "<td"
  @td_close = "</td>"
  row_class = ""
  if mode == "header" 
    @td_open = "<th"
    @td_close = "</th>"
  else 
    row_class = mode
  end
  tr = "<tr>"
  tr = "<tr class=\"" + _hx_str(row_class) + "\">" if row_class != ""
  self.insert(tr)
end

#begin_table ⇒ Object 



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# File 'lib/lib/coopy/diff_render.rb', line 33

def begin_table 
  self.insert("<table>\n")
end

#complete_html ⇒ Object 



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# File 'lib/lib/coopy/diff_render.rb', line 128

def complete_html 
  @text_to_insert.insert(0,"<html>\n<meta charset='utf-8'>\n<head>\n<style TYPE='text/css'>\n")
  @text_to_insert.insert(1,self.sample_css)
  @text_to_insert.insert(2,"</style>\n</head>\n<body>\n<div class='highlighter'>\n")
  @text_to_insert.push("</div>\n</body>\n</html>\n")
end

#end_row ⇒ Object 



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# File 'lib/lib/coopy/diff_render.rb', line 60

def end_row 
  self.insert("</tr>\n")
end

#end_table ⇒ Object 



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# File 'lib/lib/coopy/diff_render.rb', line 64

def end_table 
  self.insert("</table>\n")
end

#html ⇒ Object 



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# File 'lib/lib/coopy/diff_render.rb', line 70

def html 
  return @text_to_insert.join("")
end

#insert(str) ⇒ Object

protected - in ruby this doesn’t play well with static/inline methods



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# File 'lib/lib/coopy/diff_render.rb', line 29

def insert(str)
  @text_to_insert.push(str)
end

#insert_cell(txt, mode) ⇒ Object 



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# File 'lib/lib/coopy/diff_render.rb', line 52

def insert_cell(txt,mode)
  cell_decorate = ""
  cell_decorate = " class=\"" + _hx_str(mode) + "\"" if mode != ""
  self.insert(_hx_str(@td_open) + _hx_str(cell_decorate) + ">")
  self.insert(txt)
  self.insert(@td_close)
end

#render(rows) ⇒ Object 



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# File 'lib/lib/coopy/diff_render.rb', line 78

def render(rows)
  return if rows.get_width == 0 || rows.get_height == 0
  render = self
  render.begin_table
  change_row = -1
  tt = ::Coopy::TableText.new(rows)
  cell = ::Coopy::CellInfo.new
  corner = tt.get_cell_text(0,0)
  off = nil
  if corner == "@:@" 
    off = 1
  else 
    off = 0
  end
  if off > 0 
    return if rows.get_width <= 1 || rows.get_height <= 1
  end
  begin
    _g1 = 0
    _g = rows.get_height
    while(_g1 < _g) 
      row = _g1
      _g1+=1
      open = false
      txt = tt.get_cell_text(off,row)
      txt = "" if txt == nil
      ::Coopy::DiffRender.examine_cell(0,row,txt,"",txt,corner,cell)
      row_mode = cell.category
      change_row = row if row_mode == "spec"
      render.begin_row(row_mode)
      begin
        _g3 = 0
        _g2 = rows.get_width
        while(_g3 < _g2) 
          c = _g3
          _g3+=1
          ::Coopy::DiffRender.examine_cell(c,row,tt.get_cell_text(c,row),((change_row >= 0) ? tt.get_cell_text(c,change_row) : ""),txt,corner,cell)
          render.insert_cell(((@pretty_arrows) ? cell.pretty_value : cell.value),cell.category_given_tr)
        end
      end
      render.end_row
    end
  end
  render.end_table
end

#sample_css ⇒ Object 



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# File 'lib/lib/coopy/diff_render.rb', line 124

def sample_css 
  return ".highlighter .add { \n  background-color: #7fff7f;\n}\n\n.highlighter .remove { \n  background-color: #ff7f7f;\n}\n\n.highlighter td.modify { \n  background-color: #7f7fff;\n}\n\n.highlighter td.conflict { \n  background-color: #f00;\n}\n\n.highlighter .spec { \n  background-color: #aaa;\n}\n\n.highlighter .move { \n  background-color: #ffa;\n}\n\n.highlighter .null { \n  color: #888;\n}\n\n.highlighter table { \n  border-collapse:collapse;\n}\n\n.highlighter td, .highlighter th {\n  border: 1px solid #2D4068;\n  padding: 3px 7px 2px;\n}\n\n.highlighter th, .highlighter .header { \n  background-color: #aaf;\n  font-weight: bold;\n  padding-bottom: 4px;\n  padding-top: 5px;\n  text-align:left;\n}\n\n.highlighter tr:first-child td {\n  border-top: 1px solid #2D4068;\n}\n\n.highlighter td:first-child { \n  border-left: 1px solid #2D4068;\n}\n\n.highlighter td {\n  empty-cells: show;\n}\n"
end

#to_s ⇒ Object 



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# File 'lib/lib/coopy/diff_render.rb', line 74

def to_s 
  return self.html
end

#use_pretty_arrows(flag) ⇒ Object 



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# File 'lib/lib/coopy/diff_render.rb', line 23

def use_pretty_arrows(flag)
  @pretty_arrows = flag
end