Module: Livetext::Standard

Included in:
Processor
Defined in:
lib/standard.rb

Constant Summary collapse

SimpleFormats =

Move this?

{ b: %w[<b> </b>],
i: %w[<i> </i>],
t: ["<font size=+1><tt>", "</tt></font>"],
s: %w[<strike> </strike>] }

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#_data ⇒ Object (readonly)

Returns the value of attribute _data.



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# File 'lib/standard.rb', line 9

def _data
  @_data
end

Instance Method Details

#_assign_get_value ⇒ Object 



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# File 'lib/standard.rb', line 170

def _assign_get_value
  c = e.peek
  value = ""
  case c
    when ?", ?'
      value = _quoted_value(c, e)
  else
    value = _unquoted_value(e)
  end
  c = e.peek
  value
end

#_assign_get_var(c, e) ⇒ Object 



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# File 'lib/standard.rb', line 123

def _assign_get_var(c, e)
  name = c
  loop do 
    c = e.peek
    case c
      when /[a-zA-Z_\.0-9]/
        name << e.next
        next
      when / =/ 
        return name
    else
      raise "Error: did not expect #{c.inspect} in variable name"
    end
  end
  raise "Error: loop ended parsing variable name"
end

#_assign_skip_equal(e) ⇒ Object 



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# File 'lib/standard.rb', line 140

def _assign_skip_equal(e)
  loop { break if e.peek != " "; e.next }
  if e.peek == "="
    e.next  # skip spaces too
    loop { break if e.peek != " "; e.next }
  else
    raise "Error: expect equal sign"
  end
end

#_def ⇒ Object 



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# File 'lib/standard.rb', line 93

def _def
  name = @_args[0]
  str = "def #{name}\n"
  raise "Illegal name '#{name}'" if _disallowed?(name)
  str += _body_text(true)
  str += "\nend\n"
  eval str
rescue => err
  _error!(err)
#   puts @body
end

#_include ⇒ Object 



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# File 'lib/standard.rb', line 277

def _include
  file = @_args.first
  _check_existence(file, "No such include file '#{file}'")
  @parent.process_file(file)
  _optional_blank_line
end

#_include_file(file) ⇒ Object 



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# File 'lib/standard.rb', line 284

def _include_file(file)
  @_args = [file]
  _include
end

#_mixin(name) ⇒ Object

def include! # FIXME huh?

file = @_args.first
return unless File.exist?(file)

lines = @parent.process_file(file)

#? File.delete(file)

  _optional_blank_line
end



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# File 'lib/standard.rb', line 309

def _mixin(name)
  @_args = [name]
  mixin
end

#_quoted_value(quote, e) ⇒ Object 



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# File 'lib/standard.rb', line 150

def _quoted_value(quote, e)
  value = ""
  loop do 
    c = e.next
    break if c == quote
    value << c
  end
  value
end

#_seek(file) ⇒ Object 



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# File 'lib/standard.rb', line 238

def _seek(file)
  require 'pathname'   # ;)
  value = nil
  if File.exist?(file)
    return file
  else
    count = 1
    loop do
      front = "../" * count
      count += 1
      here = Pathname.new(front).expand_path.dirname.to_s
      break if here == "/"
      path = front + file
      value = path if File.exist?(path)
      break if value
    end
end
 return value
rescue
 return nil
end

#_unquoted_value(e) ⇒ Object 



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# File 'lib/standard.rb', line 160

def _unquoted_value(e)
  value = ""
  loop do 
    c = e.next
    break if c == " " || c == ","
    value << c
  end
  value
end

#backtrace ⇒ Object 



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# File 'lib/standard.rb', line 25

def backtrace
  arg = @_args.first
  @backtrace = true
  @backtrace = false if arg == "off"
end
 


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# File 'lib/standard.rb', line 67

def banner
  str = _format(@_data)
  n = str.length - 1
  puts "-"*n
  puts str
  puts "-"*n
end

#bits ⇒ Object

dumb name - bold, italic, teletype, striketrough



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# File 'lib/standard.rb', line 17

def bits  # dumb name - bold, italic, teletype, striketrough
  b0, b1, i0, i1, t0, t1, s0, s1 = *@_args
  SimpleFormats[:b] = [b0, b1]
  SimpleFormats[:i] = [i0, i1]
  SimpleFormats[:t] = [t0, t1]
  SimpleFormats[:s] = [s0, s1]
end

#br ⇒ Object 



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# File 'lib/standard.rb', line 478

def br
  n = _args.first || "1"
  out = ""
  n.to_i.times { out << "<br>" }
  _out out
end

#cleanup ⇒ Object 



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# File 'lib/standard.rb', line 83

def cleanup
  @_args.each do |item| 
    if ::File.directory?(item)
      system("rm -f #{item}/*")
    else
      ::FileUtils.rm(item)
    end
  end
end

#comment ⇒ Object 



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# File 'lib/standard.rb', line 31

def comment
  _body
end

#copy ⇒ Object 



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# File 'lib/standard.rb', line 345

def copy
  file = @_args.first
  _check_existence(file, "No such file '#{file}' to copy")
  _out grab_file(file)
  _optional_blank_line
end

#data=(val) ⇒ Object 



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# File 'lib/standard.rb', line 11

def data=(val)
  @_data = val
  @_args = val.split rescue []
  @_mixins = []
end

#debug ⇒ Object 



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# File 'lib/standard.rb', line 361

def debug
  arg = @_args.first
  self._debug = true
  self._debug = false if arg == "off"
end

#dlist ⇒ Object 



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# File 'lib/standard.rb', line 418

def dlist
  delim = _args.first
  _out "<dl>"
  _body do |line|
    line = _format(line)
    term, defn = line.split(delim)
    _out "<dt>#{term}</dt>"
    _out "<dd>#{defn}</dd>"
  end
  _out "</dl>"
end

#errout ⇒ Object 



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# File 'lib/standard.rb', line 57

def errout
  TTY.puts @_data
end

#func ⇒ Object 



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# File 'lib/standard.rb', line 41

def func
  funcname = @_args[0]
  _error! "Illegal name '#{funcname}'" if _disallowed?(funcname)
  func_def = <<-EOS
    def #{funcname}(param)
      #{_body_text(true)}
    end
EOS
  Livetext::Functions.class_eval func_def
end

#heading ⇒ Object 



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# File 'lib/standard.rb', line 397

def heading
  _print "<center><font size=+1><b>"
  _print @_data
  _print "</b></font></center>"
end

#heredoc ⇒ Object 



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# File 'lib/standard.rb', line 213

def heredoc
  var = @_args[0]
  str = _body_text
  s2 = ""
  str.each_line do |s|
    str = FormatLine.var_func_parse(s.chomp)
    s2 << str # + "<br>"
  end
  indent = @parent.indentation.last
  indented = " " * indent
  #  s2 = ""
  #  str.each_line do |line|
  #    if line.start_with?(indented)
  #      line.replace(line[indent..-1])
  #    else
  #      STDERR.puts "Error? heredoc not indented?"
  #      return
  #    end
  #    s2 << line
  #  end
# STDERR.puts "HERE: #{var} = #{s2.chomp.inspect}"
  @parent._setvar(var, s2.chomp)
  _optional_blank_line
end

#in_out ⇒ Object

FIXME dumb name!



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# File 'lib/standard.rb', line 270

def in_out  # FIXME dumb name!
  file, dest = *@_args
  _check_existence(file, "No such include file '#{file}'")
  @parent.process_file(file, dest)
  _optional_blank_line
end

#inherit ⇒ Object 



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# File 'lib/standard.rb', line 289

def inherit
  file = @_args.first
  upper = "../#{file}"
  good = (File.exist?(upper) || File.exist?(file))
  _error!("File #{file} not found (local or parent)") unless good

  @parent.process_file(upper) if File.exist?(upper)
  @parent.process_file(file)  if File.exist?(file)
  _optional_blank_line
end

#invoke(str) ⇒ Object 



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# File 'lib/standard.rb', line 408

def invoke(str)
end

#link ⇒ Object 



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# File 'lib/standard.rb', line 443

def link
  url = _args.first
  text = _args[2..-1].join(" ")
  _out "<a href='#{url}'>#{text}</a>"
end

#mixin ⇒ Object 



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# File 'lib/standard.rb', line 314

def mixin
  name = @_args.first   # Expect a module name
  file = "#{Plugins}/" + name.downcase + ".rb"
  return if @_mixins.include?(name)
  file = "./#{name}.rb" unless File.exist?(file)
  if File.exist?(file)
    # Just keep going...
  else
    if File.expand_path(".").dirname != "/"
      Dir.chdir("..") { mixin }
      return
    else
      STDERR.puts "No such mixin '#{name}"
      puts @body
      exit!
    end
  end

  @_mixins << name
  meths = grab_file(file)
  modname = name.gsub("/","_").capitalize
  string = "module ::#{modname}; #{meths}\nend"

  eval(string)
  newmod = Object.const_get("::" + modname)
  self.extend(newmod)
  init = "init_#{name}"
  self.send(init) if self.respond_to? init
  _optional_blank_line
end

#mono ⇒ Object 



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# File 'lib/standard.rb', line 411

def mono
  _out "<pre>"
  _body(true) {|line| _out line }
  _out "</pre>"
  _optional_blank_line
end

#newpage ⇒ Object 



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# File 'lib/standard.rb', line 403

def newpage
  _out '<p style="page-break-after:always;"></p>'
  _out "<p/>"
end

#nopara ⇒ Object 



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# File 'lib/standard.rb', line 393

def nopara
  @_nopara = true
end

#nopass ⇒ Object 



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# File 'lib/standard.rb', line 378

def nopass
  @_nopass = true
end

#old_dlist ⇒ Object 



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# File 'lib/standard.rb', line 430

def old_dlist
  delim = _args.first
  _out "<table>"
  _body do |line|
    line = _format(line)
    term, defn = line.split(delim)
    _out "<tr>"
    _out "<td width=3%><td width=10%>#{term}</td><td>#{defn}</td>"
    _out "</tr>"
  end
  _out "</table>"
end

#para ⇒ Object 



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# File 'lib/standard.rb', line 382

def para
  # FIXME - add check for args size (helpers); _onoff helper??
  onoff = _args.first
  case onoff
    when nil;   @_nopara = false
    when "on";  @_nopara = false
    when "off"; @_nopara = true
    else _error!("Unknown arg '#{onoff}'")
  end
end

#passthru ⇒ Object 



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# File 'lib/standard.rb', line 367

def passthru
  # FIXME - add check for args size (helpers); _onoff helper??
  onoff = _args.first
  case onoff
    when nil;   @_nopass = false
    when "on";  @_nopass = false
    when "off"; @_nopass = true
    else _error!("Unknown arg '#{onoff}'")
  end
end

#quit ⇒ Object 



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# File 'lib/standard.rb', line 75

def quit
  puts @body
  @body = ""
  @output.close
#   exit!
end

#r ⇒ Object 



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# File 'lib/standard.rb', line 352

def r
  _out @_data  # No processing at all
end

#raw ⇒ Object 



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# File 'lib/standard.rb', line 356

def raw
  # No processing at all (terminate with __EOF__)
  _raw_body {|x| _out x }  # no formatting
end

#reval ⇒ Object 



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# File 'lib/standard.rb', line 209

def reval
  eval _data
end

#say ⇒ Object 



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# File 'lib/standard.rb', line 61

def say
  str = _format(@_data)
  TTY.puts str
  _optional_blank_line
end

#seek ⇒ Object 



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# File 'lib/standard.rb', line 260

def seek
  # like include, but search upward as needed
  file = @_args.first
file = _seek(file)
# STDERR.puts "---- _seek found: #{file.inspect}"
  _error!(file, "No such include file '#{file}'") unless file
  @parent.process_file(file)
  _optional_blank_line
end

#set ⇒ Object 



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# File 'lib/standard.rb', line 105

def set
  # FIXME bug -- .set var="RIP, Hope Gallery"
  assigns = @_data.chomp.split(/, */)
  # Do a better way?
  # FIXME *Must* allow for vars/functions
  assigns.each do |a| 
    var, val = a.split("=")
# STDERR.puts "-- var=val  #{[var, val].inspect}"
    var.strip!
    val.strip!
    val = val[1..-2] if val[0] == ?" && val[-1] == ?"
    val = val[1..-2] if val[0] == ?' && val[-1] == ?'
    val = FormatLine.var_func_parse(val)
    @parent._setvar(var, val)
  end
  _optional_blank_line
end

#set_NEW ⇒ Object 



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# File 'lib/standard.rb', line 183

def set_NEW
  line = _data.dup  # dup needed?
  e = line.each_char  # enum
  loop do 
    c = e.next
    case c
      when /a-z/i
        _assign_get_var(c, e)
        _assign_skip_equal
      when " "
        next
    else
      raise "set: Huh? line = #{line}"
    end
  end
end

#shell ⇒ Object 



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# File 'lib/standard.rb', line 35

def shell
  cmd = @_data
#   _errout("Running: #{cmd}")
  system(cmd)
end

#shell! ⇒ Object 



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# File 'lib/standard.rb', line 52

def shell!
  cmd = @_data
  system(cmd)
end

#variables ⇒ Object 



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# File 'lib/standard.rb', line 200

def variables
  _body.each do |line|
    next if line.strip.empty?
    var, val = line.split(" ", 2)
    val = FormatLine.var_func_parse(val)
    @parent._setvar(var, val)
  end
end

#xtable ⇒ Object

Borrowed from bookish - FIXME



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# File 'lib/standard.rb', line 449

def xtable   # Borrowed from bookish - FIXME
  title = @_data
  delim = " :: "
  _out "<br><center><table width=90% cellpadding=5>"
  lines = _body(true)
  maxw = nil
  lines.each do |line|
    line = _format(line)
    line.gsub!(/\n+/, "<br>")
    cells = line.split(delim)
    wide = cells.map {|x| x.length }
    maxw = [0] * cells.size
    maxw = maxw.map.with_index {|x, i| [x, wide[i]].max }
  end

  sum = maxw.inject(0, :+)
  maxw.map! {|x| (x/sum*100).floor }

  lines.each do |line|
    cells = line.split(delim)
    _out "<tr>"
    cells.each.with_index do |cell, i| 
      _out "  <td valign=top>#{cell}</td>"
    end
    _out "</tr>"
  end
  _out "</table></center>"
end