lib/redact/redact.rb

   1 #--
   2 # $Id: redact.rb 25 2005-04-14 19:42:06Z 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 = "0.1.0"
  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                 def to_eet_name
  94                         "Edje_File"
  95                 end
  96
  97                 def to_eet_properties
  98                         {"compiler" => ["redact"],
  99                          "version" => [2],
 100                          "feature_ver" => [1],
 101                          "font_dir" => [@font_dir, :sub],
 102                          "image_dir" => [@image_dir, :sub],
 103                          "collection_dir" => [@collection_dir, :sub],
 104                          "data" => [@data]}
 105                 end
 106         end
 107
 108         class DataHash < Hash # :nodoc:
 109                 def [](key)
 110                         super.value
 111                 end
 112
 113                 def []=(key, value)
 114                         super(key, HashEntry.new(key, value))
 115                 end
 116         end
 117
 118         class HashEntry # :nodoc:
 119                 attr_reader :key, :value
 120
 121                 def initialize(key, value)
 122                         @key = key.to_str.dup.freeze
 123                         @value = value.to_str.dup.freeze
 124                 end
 125
 126                 def to_eet_name
 127                         "Edje_Data"
 128                 end
 129         end
 130
 131         class FontDirectory < Array # :nodoc:
 132                 def to_eet_name
 133                         "Edje_Font_Directory"
 134                 end
 135
 136                 def to_eet_properties
 137                         {"entries" => [self]}
 138                 end
 139         end
 140
 141         class FontDirectoryEntry # :nodoc:
 142                 attr_reader :filename
 143
 144                 def initialize(filename)
 145                         @filename = filename.to_str.dup.freeze
 146                 end
 147
 148                 def to_eet_name
 149                         "Edje_Font_Directory_Entry"
 150                 end
 151
 152                 def to_eet_properties
 153                         {"entry" => [@filename]}
 154                 end
 155         end
 156
 157         class ImageDirectory < Array # :nodoc:
 158                 def <<(entry)
 159                         super
 160
 161                         entry.id = size - 1
 162                 end
 163
 164                 def to_eet_name
 165                         "Edje_Image_Directory"
 166                 end
 167
 168                 def to_eet_properties
 169                         {"entries" => [self]}
 170                 end
 171         end
 172
 173         class ImageDirectoryEntry # :nodoc:
 174                 attr_reader :filename, :image, :id
 175
 176                 def initialize(filename)
 177                         @filename = filename.to_str.dup.freeze
 178                         @image = Imlib2::Image.load(@filename)
 179                         @id = -1
 180                         @source_type = 1 # COMP
 181                         @source_param = 1 # COMP
 182                 end
 183
 184                 def id=(id)
 185                         if id < 0
 186                                 raise(ArgumentError, "invalid ID - #{id}")
 187                         elsif @id != -1
 188                                 raise(RedactError, "ID already set")
 189                         else
 190                                 @id = id
 191                         end
 192                 end
 193
 194                 def to_eet_name
 195                         "Edje_Image_Directory_Entry"
 196                 end
 197
 198                 def to_eet_properties
 199                         {"entry" => [@filename],
 200                          "source_type" => [@source_type],
 201                          "source_param" => [@source_param],
 202                          "id" => [@id]}
 203                 end
 204         end
 205
 206         class CollectionDirectory < Array # :nodoc:
 207                 def to_eet_name
 208                         "Edje_Part_Collection_Directory"
 209                 end
 210
 211                 def to_eet_properties
 212                         {"entries" => [self]}
 213                 end
 214         end
 215
 216         class CollectionDirectoryEntry # :nodoc:
 217                 def initialize(col)
 218                         @name = col.name.to_str.dup.freeze
 219                         @id = col.id
 220                 end
 221
 222                 def to_eet_name
 223                         "Edje_Part_Collection_Directory_Entry"
 224                 end
 225
 226                 def to_eet_properties
 227                         {"entry" => [@name],
 228                          "id" => [@id]}
 229                 end
 230         end
 231
 232         class Collection
 233                 attr_reader :name, :id, :data, :min, :max, :parts, :programs,
 234                             :script
 235
 236                 def initialize(name, id)
 237                         @name = name.to_str.dup.freeze
 238                         @id = id
 239
 240                         @min = [0, 0]
 241                         @max = [0, 0]
 242                         @data = DataHash.new
 243
 244                         @parts = {}
 245                         @programs = {}
 246
 247                         @script = nil
 248                 end
 249
 250                 def script=(v)
 251                         @script = v.to_str.dup
 252                 end
 253
 254                 def part(name, type = :invalid) # :yields: part
 255                         p = @parts[name]
 256                         if p.nil?
 257                                 klass = case type
 258                                 when :rect
 259                                         Part
 260                                 when :swallow
 261                                         SwallowPart
 262                                 when :text
 263                                         TextPart
 264                                 when :image
 265                                         ImagePart
 266                                 else
 267                                         raise(ArgumentError,
 268                                               "invalid program type - #{type.to_s}")
 269                                 end
 270
 271                                 p = klass.new(self, @parts.size, name)
 272                                 @parts[name] = p
 273                         end
 274
 275                         block_given? ? (yield p) : p
 276                 end
 277
 278                 def program(name, type = :invalid) # :yields: program
 279                         p = @programs[name]
 280                         if p.nil?
 281                                 klass = case type
 282                                 when :base
 283                                         Program
 284                                 when :set_state
 285                                         SetStateProgram
 286                                 when :stop_program
 287                                         StopProgramProgram
 288                                 when :emit_signal
 289                                         EmitSignalProgram
 290                                 when :exec_script
 291                                         ExecScriptProgram
 292                                 else
 293                                         raise(ArgumentError,
 294                                               "invalid program type - #{type.to_s}")
 295                                 end
 296
 297                                 p = klass.new(self, @programs.size, name)
 298                                 @programs[name] = p
 299                         end
 300
 301                         block_given? ? (yield p) : p
 302                 end
 303
 304                 def set_size(w, h)
 305                         set_min(w, h)
 306                         set_max(w, h)
 307                 end
 308
 309                 def set_min(w, h)
 310                         @min = [w, h]
 311                 end
 312
 313                 def set_max(w, h)
 314                         @max = [w, h]
 315                 end
 316
 317                 def has_embryo?(search_programs = true)
 318                         if !@script.nil? && @script.to_str.strip.length > 0
 319                                 true
 320                         elsif search_programs
 321                                 p = @programs.find do |(k, p)|
 322                                         p.is_a?(ExecScriptProgram)
 323                                 end
 324
 325                                 !p.nil?
 326                         end
 327                 end
 328
 329                 def to_eet_name
 330                         "Edje_Part_Collection"
 331                 end
 332
 333                 def to_eet_properties
 334                         # sort parts and programs by id, since edje doesn't sort
 335                         # them on load
 336                         parts = @parts.to_a.map { |(key, value)| value }.sort
 337                         programs = @programs.to_a.map { |(key, value)| value }.sort
 338
 339                         {"id" => [@id],
 340                          "parts" => [parts],
 341                          "programs" => [programs],
 342                          "data" => [@data],
 343                          "prop.min.w" => [@min[0]],
 344                          "prop.min.h" => [@min[1]],
 345                          "prop.max.w" => [@max[0]],
 346                          "prop.max.h" => [@max[1]]}
 347                 end
 348         end
 349
 350         EDJE = Redact::Edje.new
 351 end