Class: InitCreator

Inherits:
Object
  • Object
show all
Defined in:
ext/gtk2/extconf.rb

Instance Method Summary collapse

Constructor Details

#initialize(output) ⇒ InitCreator

Returns a new instance of InitCreator.



106
107
108
109
 
# File 'ext/gtk2/extconf.rb', line 106

def initialize(output)
  @output = output
  @targets = []
end

Instance Method Details

#<<(target) ⇒ Object 



111
112
113
 
# File 'ext/gtk2/extconf.rb', line 111

def <<(target)
  @targets << target
end

#print(*args) ⇒ Object 



185
186
187
 
# File 'ext/gtk2/extconf.rb', line 185

def print(*args)
  @output.print(*args)
end

#print_data(array, type, defs, extern = false) ⇒ Object 



161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
 
# File 'ext/gtk2/extconf.rb', line 161

def print_data(array, type, defs, extern = false)
  if array[type]
    dependencies = {
      "Init_gtk_gdk_gc()" => ["Init_gtk_gdk_draw()"],
    }
    extern_def = "extern void" if extern
    print "##{defs} #{type}\n" if defs
    sorted_array = array[type].dup
    dependencies.each do |key, values|
      next unless sorted_array.include?(key)
      sorted_array.delete(key)
      value_indexes = values.collect do |value|
        sorted_array.index(value)
      end
      max_value_index = value_indexes.compact.max
      sorted_array[max_value_index + 1, 0] = key
    end
    sorted_array.each do |val|
      print "#{extern_def}   #{val};\n"
    end
    print "#endif\n" if defs
  end
end

#run ⇒ Object 



115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
 
# File 'ext/gtk2/extconf.rb', line 115

def run
  inits = Hash.new

  except_targets = ["Init_gtk2()", "Init_gtk_gdk()", "Init_gtk_gtk()"]
  @targets.each do |target|
    target.each_line do |line|
      if /^(Init_.*\((?:void)?\))(.*)/ =~ line
        init = $1
        unless except_targets.include?(init)
          flag = $2
          if flag.size > 0
            if flag =~ /\/\*\s*(\w*)\s*\*\//
              inits[$1] = Array.new unless inits[$1]
              inits[$1] << init
            end
          else
            inits[""] = Array.new unless inits[""]
            inits[""] << init
          end
        end
      end
    end
  end

  inits[""] = inits[""].sort_by do |value|
    if value == "Init_gtk_gdk_draw()"
      inits[""].size * 2
    elsif value == "Init_gtk_gdk_gc()"
      -inits[""].size
    else
      inits[""].index(value)
    end
  end

  print_data(inits, "", nil, true)
  print_data(inits, "GTK_DISABLE_DEPRECATED", "ifndef", true)
  print_data(inits, "GTK_ENABLE_BROKEN", "ifdef", true)

  print "void Init_gtk_inits(void)\n"
  print "{\n"
  print_data(inits, "", nil)
  print_data(inits, "GTK_DISABLE_DEPRECATED", "ifndef")
  print_data(inits, "GTK_ENABLE_BROKEN", "ifdef")
  print "}\n"
end