Module: Spacer::CSharp

Defined in:
lib/spacer/csharp.rb

Class Method Summary collapse

Class Method Details

.count_bol_spaces_and_tabs(lines) ⇒ Object 



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# File 'lib/spacer/csharp.rb', line 5

def self.count_bol_spaces_and_tabs(lines)
  bol = OpenStruct.new
  bol.tabs = 0
  bol.spaces = 0
  in_multi_line_string = false

  for line in lines do
    in_bol = true
    i = 0
    while i < line.length do
      c = line[i]
      c1 = i < line.length - 1 ? line[i + 1] : "\0"

      if in_multi_line_string and c == "\"" and c1 != "\""
        in_multi_line_string = false
      elsif c == "@" and c1 == "\""
        in_multi_line_string = true
        i += 1
      elsif in_bol and !in_multi_line_string and c == " "
        bol.spaces += 1
      elsif in_bol and !in_multi_line_string and c == "\t"
        bol.tabs += 1
      else
        in_bol = false
      end
      i += 1
    end
  end

  bol
end

.tabify(lines, tabsize, round_down_spaces) ⇒ Object 



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# File 'lib/spacer/csharp.rb', line 85

def self.tabify(lines, tabsize, round_down_spaces)
  # Insert tabs for spaces, but only at the beginning of lines and not inside @"..." or "..." strings
  in_multi_line_string = false
  i = 0

  while i < lines.length do
    line = lines[i]
    in_string = false
    bol = true
    num_bol_spaces = 0
    new_line = ""
    j = 0

    while j < line.length do
      c_1 = j > 0 ? line[j - 1] : "\0"
      c = line[j]
      c1 = j < line.length - 1 ? line[j + 1] : "\0"

      if !in_string and !in_multi_line_string and bol and c == " "
        # Just count the spaces
        num_bol_spaces += 1
      elsif !in_string and !in_multi_line_string and bol and c != " "
        bol = false

        new_line += "\t" * (num_bol_spaces / tabsize)

        if !round_down_spaces
          new_line += " " * (num_bol_spaces % tabsize)
        end
        # Process this character again as not BOL
        j -= 1
      elsif !in_multi_line_string and !in_string and c == '"'
        in_string = true
        new_line += c
      elsif !in_multi_line_string and !in_string and c == "@" and c1 == "\""
        in_multi_line_string = true
        new_line += c
        j += 1
        new_line += c1
      elsif in_string and c == "\"" and c_1 != "\\"
        in_string = false
        new_line += c
      elsif in_multi_line_string and c == "\"" and c1 != "\""
        in_multi_line_string = false
        new_line += c
      else
        new_line += c
      end

      lines[i] = new_line
      j += 1
    end
    i += 1
  end
end

.untabify(lines, tabsize) ⇒ Object 



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# File 'lib/spacer/csharp.rb', line 37

def self.untabify(lines, tabsize)
  # Expand tabs anywhere on a line, but not inside @"..." strings
  in_multi_line_string = false

  i = 0
  while i < lines.length do
    line = lines[i]
    in_string = false
    new_line = ""
    j = 0

    while j < line.length do
      c_1 = j > 0 ? line[j - 1] : '\0'
      c = line[j]
      c1 = j < line.length - 1 ? line[j + 1] : '\0'

      raise "line #{i + 1} has overlapping regular and multiline strings" if (in_string and in_multi_line_string)

      if !in_multi_line_string and c == "\t"
        # Add spaces to next tabstop
        num_spaces = tabsize - (new_line.length % tabsize)

        new_line += " " * num_spaces
      elsif !in_multi_line_string and !in_string and c == "\""
        in_string = true
        new_line += c
      elsif !in_multi_line_string and !in_string and c == "@" and c1 == "\""
        in_multi_line_string = true
        new_line += c
        j += 1
        new_line += c1
      elsif in_string and c == "\"" and c_1 != "\\"
        in_string = false
        new_line += c
      elsif in_multi_line_string and c == "\"" and c1 != "\""
        in_multi_line_string = false
        new_line += c
      else
        new_line += c
      end

      lines[i] = new_line
      j += 1
    end
    i += 1
  end
end