Module: RuneBlog::REPL

Defined in:
lib/repl.rb,
lib/helpers-repl.rb

Overview

make_exception(:EditorProblem, “Could not edit $1”)

Constant Summary collapse

Patterns = 
{"help"              => :cmd_help, 
  "h"                 => :cmd_help,
  "version"           => :cmd_version,
  "v"                 => :cmd_version,
  "list views"        => :cmd_list_views, 
  "lsv"               => :cmd_list_views, 

  "new view $name"    => :cmd_new_view,

  "new post"          => :cmd_new_post,
  "p"                 => :cmd_new_post,
  "post"              => :cmd_new_post,

  "change view $name" => :cmd_change_view,
  "cv $name"          => :cmd_change_view,
  "cv"                => :cmd_change_view,  # 0-arity must come second

  "config"            => :cmd_config,

  "list posts"        => :cmd_list_posts,
  "lsp"               => :cmd_list_posts,

  "list drafts"       => :cmd_list_drafts,
  "lsd"               => :cmd_list_drafts,

  "rm $postid"        => :cmd_remove_post,
  "undel $postid"     => :cmd_undelete_post,

  "kill >postid"      => :cmd_kill, 

  "edit $postid"      => :cmd_edit_post,
  "ed $postid"        => :cmd_edit_post,
  "e $postid"         => :cmd_edit_post,

  "preview"           => :cmd_preview,

  "pre"               => :cmd_preview,

  "browse"            => :cmd_browse,

  "relink"            => :cmd_relink,

  "rebuild"           => :cmd_rebuild,

  "publish"           => :cmd_publish,

  "q"                 => :cmd_quit,
  "quit"              => :cmd_quit
}
Regexes = 
{}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.choose_method(cmd) ⇒ Object 



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# File 'lib/helpers-repl.rb', line 127

def self.choose_method(cmd)
  cmd = cmd.strip
  found = nil
  params = nil
  Regexes.each_pair do |rx, meth|
    m = cmd.match(rx)
# puts "#{rx} =~ #{cmd.inspect}  --> #{m.to_a.inspect}"
    result = m ? m.to_a : nil
    next unless result
    found = meth
    params = m[1]
  end
  meth = found || :cmd_INVALID
  params = cmd if meth == :cmd_INVALID
  [meth, params]
end

Instance Method Details

#ask(prompt, meth = :to_s) ⇒ Object 



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# File 'lib/helpers-repl.rb', line 150

def ask(prompt, meth = :to_s)
  print prompt
  gets.chomp.send(meth)
end

#ask_publishing_info ⇒ Object

returns Publishing object



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# File 'lib/helpers-repl.rb', line 239

def ask_publishing_info   # returns Publishing object
  # user, server, root, path, protocol = "http"
  puts "Please enter publishing data for view #{@blog.view}..."
  user = ask("User: ")
  root = ask("Doc root: ")
  server = ask("Server: ")
  path = ask("View path: ")
  proto = ask("Protocol (ENTER for http): ")
  [user, root, server, path, proto].each {|x| x.chomp! }
  proto = "http" if proto.empty?
  RuneBlog::Publishing.new(user, server, root, path, proto)
end

#check_empty(arg) ⇒ Object 



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# File 'lib/helpers-repl.rb', line 192

def check_empty(arg)
  raise InternalError(caller[0], arg.inspect)  unless arg.nil?
end

#check_file_exists(file) ⇒ Object 



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# File 'lib/helpers-repl.rb', line 202

def check_file_exists(file)
  raise FileNotFound(file) unless File.exist?(file)
end

#cmd_browse(arg) ⇒ Object 



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# File 'lib/repl.rb', line 49

def cmd_browse(arg)
  reset_output
  check_empty(arg)
  url = @blog.view.publisher.url
  # FIXME Bad logic here.
  if url.nil?   
    output! "Publish first."
    return [true, @out]
  end
  result = system("open '#{url}'")
  raise CantOpen(url) unless result
  nil
end

#cmd_change_view(arg) ⇒ Object 



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# File 'lib/repl.rb', line 122

def cmd_change_view(arg)
  reset_output
  # Simplify this
  if arg.nil?
    viewnames = @blog.views.map {|x| x.name }
    n = viewnames.find_index(@blog.view.name)
    k, name = STDSCR.menu(title: "Views", items: viewnames, curr: n)
    @blog.view = name
    output bold(@blog.view)
    puts "\n  ", fx(name, :bold), "\n"
    return [false, @out]
  else
    if @blog.view?(arg)
      @blog.view = arg  # reads config
      output red("View: ") + bold(@blog.view.name.to_s)  # FIXME?
    end
  end
  return [false, @out]
end

#cmd_clear(arg) ⇒ Object 



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

def cmd_clear(arg)
  check_empty(arg)
  STDSCR.cwin.clear
  STDSCR.cwin.refresh
end

#cmd_config(arg) ⇒ Object 



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# File 'lib/repl.rb', line 38

def cmd_config(arg)
  check_empty(arg)
  dir = @blog.view.dir
  items = ["publish", 
           "custom/blog_header.html", 
           "custom/blog_trailer.html", 
           "custom/post_template.html"] 
  num, fname = STDSCR.menu(title: "Edit file:", items: items)
  edit_file("#{dir}/#{fname}")
end

#cmd_edit_post(arg) ⇒ Object

– FIXME affects linking, building, publishing…



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# File 'lib/repl.rb', line 186

def cmd_edit_post(arg)
  reset_output
  id = get_integer(arg)
  # Simplify this
  tag = "#{'%04d' % id}"
  files = Find.find(@blog.root+"/src").to_a
  files = files.grep(/#{tag}-/)
  files = files.map {|f| File.basename(f) }
  return [true, "Multiple files: #{files}"] if files.size > 1
  return [true, "\n  Can't edit post #{id}"] if files.empty?

  file = files.first
  result = edit_file("#{@blog.root}/src/#{file}")
  @blog.rebuild_post(file)
  nil
end

#cmd_help(arg) ⇒ Object 



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# File 'lib/repl.rb', line 269

def cmd_help(arg)
  reset_output 
  check_empty(arg)
  output(<<-EOS)
Commands:

     #{red('h, help       ')}    This message
     #{red('q, quit        ')}   Exit the program
     #{red('v, version    ')}    Print version information

     #{red('change view VIEW ')} Change current view
     #{red('cv VIEW          ')} Change current view

     #{red('new view         ')} Create a new view

     #{red('list views       ')} List all views available
     #{red('lsv              ')} Same as: list views

     #{red('p, post          ')} Create a new post
     #{red('new post         ')} Same as post (create a post)

     #{red('lsp, list posts  ')} List posts in current view

     #{red('lsd, list drafts ')} List all posts regardless of view

     #{red('rm ID            ')} Remove a post
     #{red('kill ID ID ID... ')} Remove multiple posts
     #{red('undelete ID      ')} Undelete a post
     #{red('edit ID          ')} Edit a post

     #{red('preview          ')} Look at current (local) view in browser
     #{red('browse           ')} Look at current (published) view in browser
     #{red('relink           ')} Regenerate index for all views
     #{red('rebuild          ')} Regenerate all posts and relink
     #{red('publish          ')} Publish (current view)
  EOS
  return [true, @out]
end

#cmd_INVALID(arg) ⇒ Object 



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# File 'lib/repl.rb', line 264

def cmd_INVALID(arg)
  reset_output "\n  Command '#{red(arg)}' was not understood."
  return [true, @out]
end

#cmd_kill(arg) ⇒ Object 



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# File 'lib/repl.rb', line 162

def cmd_kill(arg)
  reset_output
  args = arg.split
  args.each do |x| 
    # FIXME
    ret = cmd_remove_post(x.to_i, false)
    output ret
  end
  return [true, @out]
end

#cmd_list_drafts(arg) ⇒ Object 



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# File 'lib/repl.rb', line 242

def cmd_list_drafts(arg)
  reset_output
  check_empty(arg)
  drafts = @blog.drafts  # current view
  if drafts.empty?
    output! "No drafts"
    puts "  No drafts"
    return [true, @out]
  else
    puts
    drafts.each do |draft| 
      outstr "  #{colored_slug(draft.sub(/.lt3$/, ""))}\n" 
      base = draft.sub(/.lt3$/, "")
      num, rest = base[0..3], base[4..-1]
      print "  "
      puts fx(num, Red), fx(rest, Blue)
    end
  end
  puts
  return [false, @out]
end

#cmd_list_posts(arg) ⇒ Object 



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# File 'lib/repl.rb', line 217

def cmd_list_posts(arg)
  reset_output
  check_empty(arg)
  posts = @blog.posts  # current view
  str = @blog.view.name + ":\n"
  output str
  puts
  print "  "
  puts fx(str, :bold)
  if posts.empty?
    output! bold("No posts")
    puts fx("  No posts", :bold)
  else
    posts.each do |post| 
      outstr "  #{colored_slug(post)}\n" 
      base = post.sub(/.lt3$/, "")
      num, rest = base[0..3], base[4..-1]
      print "  "
      puts fx(num, Red), fx(rest, Blue)
    end
  end
  puts
  return [false, @out]
end

#cmd_list_views(arg) ⇒ Object 



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# File 'lib/repl.rb', line 203

def cmd_list_views(arg)
  reset_output("\n")
  check_empty(arg)
  puts
  @blog.views.each do |v| 
    v = v.to_s
    v = fx(v, :bold) if v == @blog.view.name
    print "  "
    puts v
  end
  puts
  return [false, @out]
end

#cmd_new_post(arg) ⇒ Object 



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# File 'lib/repl.rb', line 151

def cmd_new_post(arg)
  reset_output
  check_empty(arg)
  title = ask("\nTitle: ")
  meta = OpenStruct.new
  meta.title = title
  @blog.create_new_post(meta)
  STDSCR.clear
  nil
end

#cmd_new_view(arg) ⇒ Object 



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# File 'lib/repl.rb', line 142

def cmd_new_view(arg)
  reset_output
  @blog.create_view(arg)
  resp = yesno("Add publishing info now? ")
  @blog.view.publisher = ask_publishing_info
  write_config(@blog.view.publisher,  @blog.view.dir + "/publish")  # change this?
  nil
end

#cmd_preview(arg) ⇒ Object 



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# File 'lib/repl.rb', line 63

def cmd_preview(arg)
  reset_output
  check_empty(arg)
  local = @blog.view.index
  result = system("open #{local}")
  raise CantOpen(local) unless result
end

#cmd_publish(arg) ⇒ Object

FIXME non-string return expected in caller?



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# File 'lib/repl.rb', line 71

def cmd_publish(arg)  # FIXME non-string return expected in caller?
  puts
  reset_output
  check_empty(arg)
  unless @blog.view.can_publish?
    puts "Can't publish without entries in #{@blog.view.name}/publish"
    output! "Can't publish without entries in #{@blog.view.name}/publish"
    return [false, @out]
  end
  RubyText. { @blog.view.publish }
#     user, server, sroot, spath = *@publish[@blog.view]
#     if files.empty?    # FIXME  baloney
#       output! "No files to publish"
#       return [true, @out]
#     end

#     output "Files:"
#     files.each {|f| output "    #{f}\n" }
#     output_newline
#     dir = "#{sroot}/#{spath}"
#     # FIXME - may or may not already exist
#     result = system("ssh root@#{server} mkdir -p #{dir}") 
# 
#     cmd = "scp -r #{files.join(' ')} root@#{server}:#{dir} >/dev/null 2>&1"
#     output! "Publishing #{files.size} files...\n"
#     result = system(cmd)
#     raise PublishError unless result

  dump(files, "#{vdir}/last_published")
  puts "  ...finished" 
  output! "...finished.\n"
  return [false, @out]
end

#cmd_quit(arg) ⇒ Object 



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

def cmd_quit(arg)
  check_empty(arg)
#   system("tput rmcup")
  RubyText.stop
  system("tput clear")
  exit
end

#cmd_rebuild(arg) ⇒ Object 



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

def cmd_rebuild(arg)
  debug "Starting cmd_rebuild..."
  reset_output
  check_empty(arg)
  puts  # CHANGE_FOR_CURSES?
  files = @blog.find_src_slugs
  files.each {|file| @blog.rebuild_post(file) }
  nil
end

#cmd_relink(arg) ⇒ Object 



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# File 'lib/repl.rb', line 115

def cmd_relink(arg)
  reset_output
  check_empty(arg)
  @blog.relink
  nil
end

#cmd_remove_post(arg, safe = true) ⇒ Object

– FIXME affects linking, building, publishing…



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# File 'lib/repl.rb', line 175

def cmd_remove_post(arg, safe=true)
  # FIXME - 'safe' is no longer a thing
  reset_output
  id = get_integer(arg)
  result = @blog.remove_post(id)
  output! "Post #{id} not found" if result.nil?
  return [true, @out]
end

#cmd_version(arg) ⇒ Object 



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

def cmd_version(arg)
  reset_output
  check_empty(arg)
  output RuneBlog::VERSION
  [true, @out]
end

#colored_slug(slug) ⇒ Object 



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# File 'lib/helpers-repl.rb', line 215

def colored_slug(slug)
  red(slug[0..3])+blue(slug[4..-1])  # CHANGE_FOR_CURSES?
end

#dumb_menu(array) ⇒ Object 



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# File 'lib/helpers-repl.rb', line 252

def dumb_menu(array)
  # { string => :meth, ... }
  max = array.size
  puts "\n  Select from:"  # CHANGE_FOR_CURSES?
  array.each.with_index do |string, i|
    puts "   #{red('%2d' % (i+1))} #{string}"  # CHANGE_FOR_CURSES?
  end
  picked = nil
  loop do
    print red("> ")  # CHANGE_FOR_CURSES?
    num = gets.to_i
    if num.between?(1, max)
      picked = array[num-1]
      break
    else
      puts "Huh? Must be 1 to #{max}"  # CHANGE_FOR_CURSES?
    end
  end
  picked
end

#edit_file(file) ⇒ Object 



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# File 'lib/repl.rb', line 10

def edit_file(file)
  result = system("#{@blog.editor} #{file}")
  raise EditorProblem(file) unless result
  sleep 0.1
  STDSCR.clear
end

#error(err) ⇒ Object 



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# File 'lib/helpers-repl.rb', line 144

def error(err)
  str = "\n  Error: #{red(err)}"
  puts str  # CHANGE_FOR_CURSES?
  puts err.backtrace[0]  # CHANGE_FOR_CURSES?
end

#error_cant_delete(files) ⇒ Object 



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# File 'lib/helpers-repl.rb', line 206

def error_cant_delete(files)
  case files
    when String
      raise CantDelete(files)
    when Array
      raise CantDelete(files.join("\n"))
  end
end

#find_all_assets(list, views) ⇒ Object

find_all_assets



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# File 'lib/helpers-repl.rb', line 292

def find_all_assets(list, views)
  list ||= []
  list.each {|asset| puts "#{asset} => #{find_asset(asset, views)}" }
end

#find_asset(asset_name) ⇒ Object

FIXME is this per-post?



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# File 'lib/helpers-repl.rb', line 277

def find_asset(asset_name)    # , views)
  search_path = proc do |path| 
    full_path = path + asset_name
    return full_path if File.exist?(full_path)
  end
  views = @meta.views
  views.each do |view| search_path.call("#{view.dir}/#{@meta.slug}/assets/") end
  views.each do |view| search_path.call(view.dir + "/assets/") end
  search_path.call(@root + "/assets/", asset_name)
  # If all fail... return nil
  return nil
end

#flush_output(initial = "") ⇒ Object 



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# File 'lib/helpers-repl.rb', line 165

def flush_output(initial = "")
  @out ||= ""
  puts @out  # CHANGE_FOR_CURSES?
  reset_output
end

#get_integer(arg) ⇒ Object 



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# File 'lib/helpers-repl.rb', line 196

def get_integer(arg)
  Integer(arg) 
rescue 
  raise ArgumentError, "'#{arg}' is not an integer"
end

#import(arg = nil) ⇒ Object 



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# File 'lib/helpers-repl.rb', line 219

def import(arg = nil)
#   open_blog unless @blog
  raise "Not implemented at present..."
  arg = nil if arg == ""
  arg ||= ask("Filename: ")  # check validity later
  name = arg
  grep = `grep ^.title #{name}`
  @title = grep.sub(/^.title /, "")
  @slug = @blog.make_slug(@title)
  @fname = @slug + ".lt3"
  result = system("cp #{name} #@root/src/#@fname")
  raise CantCopy(name, "#@root/src/#@fname") unless result

  edit_initial_post(@fname)
  process_post(@fname)
  link_post_all_views(@meta)
rescue => err
  error(err)
end

#output(str) ⇒ Object

n and indent



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# File 'lib/helpers-repl.rb', line 171

def output(str)  # \n and indent
  @out ||= ""
  @out << "  " + str.to_s
end

#output!(str) ⇒ Object

red, n and indent



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# File 'lib/helpers-repl.rb', line 181

def output!(str)  # red, \n and indent
  @out ||= ""
  @out << "  " + red(str)
end

#output_newline(n = 1) ⇒ Object 



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# File 'lib/helpers-repl.rb', line 186

def output_newline(n = 1)
  @out ||= ""
  n.times { @out << "\n" }
end

#outstr(str) ⇒ Object

indent



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# File 'lib/helpers-repl.rb', line 176

def outstr(str)  # indent
  @out ||= ""
  @out << str
end

#reset_output(initial = "") ⇒ Object 



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# File 'lib/helpers-repl.rb', line 160

def reset_output(initial = "")
  @out ||= ""
  @out.replace initial
end

#yesno(prompt, meth = :to_s) ⇒ Object 



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# File 'lib/helpers-repl.rb', line 155

def yesno(prompt, meth = :to_s)
  print prompt
  gets.chomp.upcase[0] == "Y"
end