Class: Efl::EcoreGetopt::REcoreGetopt

Inherits:
Object
  • Object
show all
Defined in:
lib/efl/ecore_getopt.rb

Instance Method Summary collapse

Constructor Details

#initialize(desc) ⇒ REcoreGetopt

Returns a new instance of REcoreGetopt.

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# File 'lib/efl/ecore_getopt.rb', line 94

def initialize desc
    @pts = []
    @ecore_getopt_st = nil
    @ecore_values_st = nil
    @desc = desc
    @options = [
        [ 0 ],
    ]
    @values = {
        :sentinel0 => [ :pointer, FFI::Pointer::NULL ]
    }
    @values_order = [ :sentinel0 ]
    @types = {
        :string => [ :ecore_getopt_type_str, :strv, :strp ],
        :uchar  => [ :ecore_getopt_type_bool, :boolv, :boolp ],
        :short  => [ :ecore_getopt_type_short, :shortv, :shortp ],
        :int    => [ :ecore_getopt_type_int, :intv, :intp ],
        :long   => [ :ecore_getopt_type_long, :longv, :longp ],
        :ushort => [ :ecore_getopt_type_ushort, :ushortv, :ushortp ],
        :uint   => [ :ecore_getopt_type_uint, :uintv, :uintp ],
        :ulong  => [ :ecore_getopt_type_ulong, :ulongv, :ulongp ],
        :double => [ :ecore_getopt_type_double, :doublev, :doublep ],
        :list   => [ :list, nil, :listp ],
        :pointer=> [ :pointer, nil, :ptrp ],
        :choice => [ :pointer, nil, :ptrp ]
    }
end

Instance Method Details

#[](k) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 161

def [] k
    ptype, ptr, sub_type = @values[k.to_s]
    return nil if ptype.nil?
    case ptype
    when:list
        require 'efl/eina_list'
        Efl::EinaList::REinaList.new(ptr.read_pointer).to_a sub_type
    when :choice
        p = ptr.read_pointer
        ( p==FFI::Pointer::NULL ? nil : p.read_string )
    when :string
        p = ptr.read_pointer
        (p==FFI::Pointer::NULL ? nil : p.read_string )
    when :pointer
        ptr.to_ptr
    else
        ptr.send 'read_'+ptype.to_s
    end
end

#append(short, long, help, sub_type, def_val = nil) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 302

def append short, long, help, sub_type, def_val=nil
    append_meta short, long, help, FFI::Pointer::NULL, sub_type, def_val
end

#append_meta(short, long, help, meta, sub_type, def_val = nil) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 288

def append_meta short, long, help, meta, sub_type, def_val=nil
    if def_val.nil?
        p = FFI::Pointer::NULL
    else
        p = def_val.inject(FFI::Pointer::NULL) { |list,e|
            ptr = FFI::MemoryPointer.new sub_type
            @pts << ptr
            ptr.send 'write_'+sub_type.to_s, e
            Native.eina_list_append list, ptr
        }
    end
    set_value short, :list, [want_p(p),sub_type]
    set_option [ short, long, help, meta, :ecore_getopt_action_append, [:append,@types[sub_type][0]] ]
end

#callback_args(short, long, help, meta, cb, data, type, def_val) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 326

def callback_args short, long, help, meta, cb, data, type, def_val
    callback_full short, long, help, meta, cb, data, true, type, def_val
end

#callback_full(short, long, help, meta, cb, data, arg_req, type, def_val) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 318

def callback_full short, long, help, meta, cb, data, arg_req, type, def_val
    pt, ptr = set_value short, type, def_val
    arg_req = ( arg_req ? :ecore_getopt_desc_arg_requirement_yes : :ecore_getopt_desc_arg_requirement_no )
    set_option [ short, long, help, meta, :ecore_getopt_action_callback, [:callback, [cb, want_p(data), arg_req, ptr ] ] ]
end

#callback_noargs(short, long, help, cb, data = nil) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 323

def callback_noargs short, long, help, cb, data=nil
    callback_full short, long, help, FFI::Pointer::NULL, cb, data, false, :uchar, 0
end

#choice(short, long, help, choices) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 315

def choice short, long, help, choices
    choice_meta short, long, help, FFI::Pointer::NULL, choices
end

#choice_meta(short, long, help, meta, choices) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 305

def choice_meta short, long, help, meta, choices
    p = FFI::MemoryPointer.new(:pointer, choices.length+1)
    @pts << p
    choices.each_with_index do |s, i|
            p[i].put_pointer 0, want_p(s)
    end
    p[choices.length].put_pointer 0, FFI::Pointer::NULL
    set_value short, :choice
    set_option [ short, long, help, meta, :ecore_getopt_action_choice, [:choices,p] ]
end

#copyright(short, long, key = nil) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 250

def copyright short, long, key=nil
    set_value key||short, :uchar, 0
    set_option [ short, long, 'show copyright.', FFI::Pointer::NULL, :ecore_getopt_action_copyright, [:dummy,FFI::Pointer::NULL] ]
end

#count(short, long, help, def_val) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 284

def count short, long, help, def_val
    set_value short, :int, def_val
    set_option [ short, long, help, FFI::Pointer::NULL, :ecore_getopt_action_count, [:dummy,FFI::Pointer::NULL] ]
end

#create ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 183

def create
    @ecore_getopt_st = Native::EcoreGetopt.new( FFI::MemoryPointer.new( :uchar, Native::EcoreGetopt.size+Native::EcoreGetoptDesc.size*@options.length) )
    [:prog,:usage,:version,:copyright,:license,:description].each do |sym|
        @ecore_getopt_st[sym] = ( @desc.has_key?(sym) ? FFI::MemoryPointer.from_string(@desc[sym]) : FFI::Pointer::NULL )
    end
    @ecore_getopt_st[:strict] = @desc[:strict] if @desc.has_key? :strict
    @options.each_with_index do |o,i|
        d = @ecore_getopt_st.desc_ptr i
        if o[0]==0
            d[:shortname] = d[:longname] = d[:help] = d[:metavar] = d[:action] = d[:action_param][:dummy] = 0
            break
        end
        d[:shortname] = o[0].to_s.bytes.first
        d[:longname] = want_p o[1]
        d[:help] = want_p o[2]
        d[:metavar] = want_p o[3]
        d[:action] = o[4]
        k, v = o[5]
        case k
        when :dummy
            d[:action_param][:dummy] = v
        when :callback
            cb = d[:action_param][:callback]
            cb[:func] = v[0]
            cb[:data] = v[1]
            cb[:arg_req] = v[2]
            cb[:def] = v[3]
        when :store
            st = d[:action_param][:store]
            st[:type] = v[0]
            st[:arg_req] = v[1]
            st[:def][v[2]] = (v[2]==:strv ?  want_p(v[3]) : v[3] ) unless v[3].nil?
        when :store_const
            d[:action_param][:store_const] = v
        when :choices
            d[:action_param][:choices] = v
        when :append
            d[:action_param][:append_type] = v
        else
            d[:action_param][:dummy] = FFI::Pointer::NULL
        end
    end
    @ecore_values_st = Native::EcoreGetoptValue.new FFI::MemoryPointer.new Native::EcoreGetoptValue, @values_order.length, false
    @values_order.each_with_index do |k,i|
        vtype, vpointer, *sub_type = @values[k]
        vpointer.write_pointer @ecore_getopt_st.desc_ptr(i)[:action_param][:store][:def][:strv] if vtype==:string
        etype, vfield, pfield = @types[vtype]
        @ecore_values_st.value_ptr(i)[pfield] = vpointer
    end
    self
end

#debug ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 330

def debug
    r = ''
    r << "#{self.class} : #{@ecore_getopt_st.to_ptr}\n"
    [:prog,:usage,:version,:copyright,:license,:description].each do |sym|
        r<< "  #{sym.to_s} : #{@ecore_getopt_st[sym]==FFI::Pointer::NULL ? 'NULL' : @ecore_getopt_st[sym].read_string}\n"
    end
    r << "  strict : #{@ecore_getopt_st[:strict]}\n"
    i=0
    r << "  Descriptions\n"
    while true
        st = @ecore_getopt_st.desc_ptr i
        break if st[:shortname]==0 and st[:longname] == FFI::Pointer::NULL
        r << "    desc #{st.to_ptr}\n"
        r << "     short: #{st[:shortname].chr}\n" unless st[:shortname]==0
        r << "     long:  #{st[:longname].read_string}\n" unless st[:longname]==FFI::Pointer::NULL
        r << "     help:  #{st[:help].read_string}\n" unless st[:help]==FFI::Pointer::NULL
        i+=1
    end
    r << "  Values\n"
    @values_order.each_with_index do |k,i|
        st = @ecore_values_st.value_ptr i
        vtype, vpointer = @values[k]
        etype, vfield, pfield = @types[vtype]
        r << "    value #{st.to_ptr}\n"
        r << "     key:   #{k}\n"
        r << "     type:  #{vtype}\n"
        r << "     value: #{self[k]}\n"
    end
    r
end

#help(short, long, key = nil) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 242

def help short, long, key=nil
    set_value key||short, :uchar, 0
    set_option [ short, long, 'show this message.', FFI::Pointer::NULL, :ecore_getopt_action_help, [:dummy,FFI::Pointer::NULL] ]
end

#license(short, long, key = nil) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 254

def license short, long, key=nil
    set_value key||short, :uchar, 0
    set_option [ short, long, 'show license.', FFI::Pointer::NULL, :ecore_getopt_action_license, [:dummy,FFI::Pointer::NULL] ]
end

#parse(argv) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 234

def parse argv
    ptr = FFI::MemoryPointer.new(:pointer, argv.length+1)
    argv.each_with_index do |s, i|
        ptr[i].put_pointer 0, want_p(s)
    end
    ptr[argv.length].put_pointer 0, FFI::Pointer::NULL
    Native.ecore_getopt_parse @ecore_getopt_st, @ecore_values_st, argv.length, ptr
end

#set_option(o) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 129

def set_option o
    @options.insert -2, o
end

#set_value(key, ptype, val = nil) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 132

def set_value key, ptype, val=nil
    skey = key.to_s
    r = @values[skey]
    if r.nil?
        case ptype
        when :list
            p = FFI::MemoryPointer.new :pointer
            p.write_pointer val[0]
            r = @values[skey] = [ ptype, p, val[1] ]    # add sub_type info
        when :choice
            p = FFI::MemoryPointer.new :pointer
            p.write_pointer FFI::Pointer::NULL
            r = @values[skey] = [ ptype, p ]
        when :string
            p = FFI::MemoryPointer.new :pointer
            p.write_pointer FFI::Pointer::NULL
            r = @values[skey] = [ ptype, p ]
        when :pointer
            r = @values[skey] = [ ptype, val ]
        else
            p = FFI::MemoryPointer.new ptype
            p.send 'write_'+ptype.to_s, val unless val.nil?
            r = @values[skey] = [ ptype, p ]
        end
        @pts << p
    end
    @values_order.insert -2, skey
    r
end

#store(short, long, help, type, def_val = nil) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 263

def store short, long, help, type, def_val=nil
    store_full short, long, help, FFI::Pointer::NULL, :ecore_getopt_desc_arg_requirement_yes, type, def_val
end

#store_const(short, long, help, def_val, value) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 272

def store_const short, long, help, def_val, value
    set_value short, :int, def_val
    set_option [ short, long, help, FFI::Pointer::NULL, :ecore_getopt_action_store_const, [:store_const, value] ]
end

#store_def(short, long, help, type, def_val) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 269

def store_def short, long, help, type, def_val
    store_full short, long, help, FFI::Pointer::NULL, :ecore_getopt_desc_arg_requirement_optional, type, def_val
end

#store_false(short, long, help) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 280

def store_false short, long, help
    set_value short, :uchar, 1
    set_option [ short, long, help, FFI::Pointer::NULL, :ecore_getopt_action_store_false, [:dummy,FFI::MemoryPointer::NULL] ]
end

#store_full(short, long, help, meta, arg_req, type, def_val) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 258

def store_full short, long, help, meta, arg_req, type, def_val
    vtype, vpointer = set_value short, type, def_val
    etype, vfield, pfield = @types[vtype]
    set_option [ short, long, help, meta, :ecore_getopt_action_store, [:store, [etype, arg_req, vfield, def_val] ] ]
end

#store_meta(short, long, help, meta, type, def_val = nil) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 266

def store_meta short, long, help, meta, type, def_val=nil
    store_full short, long, help, meta, :ecore_getopt_desc_arg_requirement_yes, type, def_val
end

#store_true(short, long, help) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 276

def store_true short, long, help
    set_value short, :uchar, 0
    set_option [ short, long, help, FFI::Pointer::NULL, :ecore_getopt_action_store_true, [:dummy,FFI::MemoryPointer::NULL] ]
end

#to_ptr ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 180

def to_ptr
    ( @ecore_getopt_st.nil? ? nil : @ecore_getopt_st.to_ptr )
end

#version(short, long, key = nil) ⇒ Object

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# File 'lib/efl/ecore_getopt.rb', line 246

def version short, long, key=nil
    set_value key||short, :uchar, 0
    set_option [ short, long, 'show program version.', FFI::Pointer::NULL, :ecore_getopt_action_version, [:dummy,FFI::Pointer::NULL] ]
end