lib/redact/redact.rb

   1 #--
   2 # $Id: redact.rb 48 2005-06-08 21:38:34Z tilman $
   3 #
   4 # Copyright (c) 2005 Tilman Sauerbeck (tilman at code-monkey de)
   5 #
   6 # Permission is hereby granted, free of charge, to any person obtaining
   7 # a copy of this software and associated documentation files (the
   8 # "Software"), to deal in the Software without restriction, including
   9 # without limitation the rights to use, copy, modify, merge, publish,
  10 # distribute, sublicense, and/or sell copies of the Software, and to
  11 # permit persons to whom the Software is furnished to do so, subject to
  12 # the following conditions:
  13 #
  14 # The above copyright notice and this permission notice shall be
  15 # included in all copies or substantial portions of the Software.
  16 #
  17 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18 # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  20 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  21 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24
  25 require "eet"
  26 require "imlib2"
  27 require "redact/part"
  28 require "redact/program"
  29
  30 class Object # :nodoc:
  31         undef :id
  32 end
  33
  34 class String
  35         def to_embryo(collection)
  36                 unless strip.length > 0
  37                         raise(Redact::RedactError, "invalid embryo code")
  38                 end
  39
  40                 s = strip.dup
  41
  42                 {"part" => collection.parts,
  43                  "program" => collection.programs}.each do |entity, ary|
  44                         s.gsub!(/#{entity.upcase}:\"(.*?)\"/) do |m|
  45                                 found = ary.find { |(k, p)| p.name == $1 }
  46                                 if found.nil?
  47                                         raise(Redact::RedactError,
  48                                               "#{entity} not found - #{$1}")
  49                                 else
  50                                         found.last.id
  51                                 end
  52                         end
  53                 end
  54
  55                 s
  56         end
  57 end
  58
  59 module Redact
  60         VERSION = "0.1.1"
  61
  62         class RedactError < StandardError; end
  63
  64         class Edje
  65                 attr_reader :collections, :data, :collection_dir, :image_dir,
  66                             :font_dir
  67
  68                 def initialize
  69                         clear
  70                 end
  71
  72                 def clear
  73                         @font_dir = FontDirectory.new
  74                         @image_dir = ImageDirectory.new
  75                         @collection_dir = CollectionDirectory.new
  76
  77                         @collections = Hash.new do |h, k|
  78                                 c = Collection.new(k, h.size)
  79
  80                                 @collection_dir << CollectionDirectoryEntry.new(c)
  81                                 h[k] = c
  82                         end
  83
  84                         @data = DataHash.new
  85                 end
  86
  87                 def collection(name) # :yields: collection
  88                         c = @collections[name]
  89
  90                         block_given? ? (yield c) : c
  91                 end
  92
  93                 protected
  94                 def to_eet_name
  95                         "Edje_File"
  96                 end
  97
  98                 def to_eet_properties
  99                         {"compiler" => ["redact"],
 100                          "version" => [2],
 101                          "feature_ver" => [1],
 102                          "font_dir" => [@font_dir, :sub],
 103                          "image_dir" => [@image_dir, :sub],
 104                          "collection_dir" => [@collection_dir, :sub],
 105                          "data" => [@data]}
 106                 end
 107         end
 108
 109         class DataHash < Hash # :nodoc:
 110                 def [](key)
 111                         super.value
 112                 end
 113
 114                 def []=(key, value)
 115                         super(key, HashEntry.new(key, value))
 116                 end
 117         end
 118
 119         class HashEntry # :nodoc:
 120                 attr_reader :key, :value
 121
 122                 def initialize(key, value)
 123                         @key = key.to_str.dup.freeze
 124                         @value = value.to_str.dup.freeze
 125                 end
 126
 127                 protected
 128                 def to_eet_name
 129                         "Edje_Data"
 130                 end
 131         end
 132
 133         class FontDirectory < Array # :nodoc:
 134                 protected
 135                 def to_eet_name
 136                         "Edje_Font_Directory"
 137                 end
 138
 139                 def to_eet_properties
 140                         {"entries" => [self]}
 141                 end
 142         end
 143
 144         class FontDirectoryEntry # :nodoc:
 145                 attr_reader :filename, :alias
 146
 147                 def initialize(filename)
 148                         @filename = filename.to_str.dup.freeze
 149                         @alias = "Edje." + File.basename(@filename).
 150                                  sub(/.[^.]+$/, "").freeze
 151                 end
 152
 153                 protected
 154                 def to_eet_name
 155                         "Edje_Font_Directory_Entry"
 156                 end
 157
 158                 def to_eet_properties
 159                         {"entry" => [@alias]}
 160                 end
 161         end
 162
 163         class ImageDirectory < Array # :nodoc:
 164                 def <<(entry)
 165                         super
 166
 167                         entry.id = size - 1
 168                 end
 169
 170                 protected
 171                 def to_eet_name
 172                         "Edje_Image_Directory"
 173                 end
 174
 175                 def to_eet_properties
 176                         {"entries" => [self]}
 177                 end
 178         end
 179
 180         class ImageDirectoryEntry # :nodoc:
 181                 attr_reader :filename, :image, :id
 182
 183                 def initialize(filename)
 184                         @filename = filename.to_str.dup.freeze
 185                         @image = Imlib2::Image.load(@filename)
 186                         @id = -1
 187                         @source_type = 1 # COMP
 188                         @source_param = 1 # COMP
 189                 end
 190
 191                 def id=(id)
 192                         if id < 0
 193                                 raise(ArgumentError, "invalid ID - #{id}")
 194                         elsif @id != -1
 195                                 raise(RedactError, "ID already set")
 196                         else
 197                                 @id = id
 198                         end
 199                 end
 200
 201                 protected
 202                 def to_eet_name
 203                         "Edje_Image_Directory_Entry"
 204                 end
 205
 206                 def to_eet_properties
 207                         {"entry" => [@filename],
 208                          "source_type" => [@source_type],
 209                          "source_param" => [@source_param],
 210                          "id" => [@id]}
 211                 end
 212         end
 213
 214         class CollectionDirectory < Array # :nodoc:
 215                 protected
 216                 def to_eet_name
 217                         "Edje_Part_Collection_Directory"
 218                 end
 219
 220                 def to_eet_properties
 221                         {"entries" => [self]}
 222                 end
 223         end
 224
 225         class CollectionDirectoryEntry # :nodoc:
 226                 def initialize(col)
 227                         @name = col.name.to_str.dup.freeze
 228                         @id = col.id
 229                 end
 230
 231                 protected
 232                 def to_eet_name
 233                         "Edje_Part_Collection_Directory_Entry"
 234                 end
 235
 236                 def to_eet_properties
 237                         {"entry" => [@name],
 238                          "id" => [@id]}
 239                 end
 240         end
 241
 242         class Collection
 243                 attr_reader :name, :id, :data, :min, :max, :parts, :programs,
 244                             :script
 245
 246                 def initialize(name, id)
 247                         @name = name.to_str.dup.freeze
 248                         @id = id
 249
 250                         @min = [0, 0]
 251                         @max = [0, 0]
 252                         @data = DataHash.new
 253
 254                         @parts = {}
 255                         @programs = {}
 256
 257                         @script = nil
 258                 end
 259
 260                 def script=(v)
 261                         @script = v.to_str.dup
 262                 end
 263
 264                 def part(name, type = :invalid) # :yields: part
 265                         p = @parts[name]
 266                         if p.nil?
 267                                 klass = case type
 268                                 when :rect
 269                                         Part
 270                                 when :swallow
 271                                         SwallowPart
 272                                 when :text
 273                                         TextPart
 274                                 when :image
 275                                         ImagePart
 276                                 else
 277                                         raise(ArgumentError,
 278                                               "invalid part type - #{type.to_s}")
 279                                 end
 280
 281                                 p = klass.new(self, @parts.size, name)
 282                                 @parts[name] = p
 283                         end
 284
 285                         block_given? ? (yield p) : p
 286                 end
 287
 288                 def program(name, type = :invalid) # :yields: program
 289                         p = @programs[name]
 290                         if p.nil?
 291                                 klass = case type
 292                                 when :base
 293                                         Program
 294                                 when :set_state
 295                                         SetStateProgram
 296                                 when :stop_program
 297                                         StopProgramProgram
 298                                 when :emit_signal
 299                                         EmitSignalProgram
 300                                 when :exec_script
 301                                         ExecScriptProgram
 302                                 else
 303                                         raise(ArgumentError,
 304                                               "invalid program type - #{type.to_s}")
 305                                 end
 306
 307                                 p = klass.new(self, @programs.size, name)
 308                                 @programs[name] = p
 309                         end
 310
 311                         block_given? ? (yield p) : p
 312                 end
 313
 314                 def set_size(w, h)
 315                         set_min(w, h)
 316                         set_max(w, h)
 317                 end
 318
 319                 def set_min(w, h)
 320                         @min = [w, h]
 321                 end
 322
 323                 def set_max(w, h)
 324                         @max = [w, h]
 325                 end
 326
 327                 def has_embryo?(search_programs = true)
 328                         if !@script.nil? && @script.to_str.strip.length > 0
 329                                 true
 330                         elsif search_programs
 331                                 p = @programs.find do |(k, p)|
 332                                         p.is_a?(ExecScriptProgram)
 333                                 end
 334
 335                                 !p.nil?
 336                         end
 337                 end
 338
 339                 protected
 340                 def to_eet_name
 341                         "Edje_Part_Collection"
 342                 end
 343
 344                 def to_eet_properties
 345                         # sort parts and programs by id, since edje doesn't sort
 346                         # them on load
 347                         parts = @parts.to_a.map { |(key, value)| value }.sort
 348                         programs = @programs.to_a.map { |(key, value)| value }.sort
 349
 350                         {"id" => [@id],
 351                          "parts" => [parts],
 352                          "programs" => [programs],
 353                          "data" => [@data],
 354                          "prop.min.w" => [@min[0]],
 355                          "prop.min.h" => [@min[1]],
 356                          "prop.max.w" => [@max[0]],
 357                          "prop.max.h" => [@max[1]]}
 358                 end
 359         end
 360
 361         EDJE = Redact::Edje.new
 362 end