Class: FFI::Tcl::EvalResult
Overview
This whole class feels very awkward, maybe it should be merged with Obj.
Constant Summary collapse
- TYPES =
{}
Class Method Summary collapse
- .guess(interp, obj, fallback = nil) ⇒ Object
- .map_list_core(interp, obj) ⇒ Object
- .reset_types(interp) ⇒ Object
- .to_boolean(interp, obj) ⇒ Object
- .to_double(interp, obj) ⇒ Object
- .to_int(interp, obj) ⇒ Object
- .to_list(interp, obj) ⇒ Object
- .to_string(interp, obj) ⇒ Object
Instance Method Summary collapse
- #inspect ⇒ Object
- #to_a(&block) ⇒ Object
- #to_a?(&block) ⇒ Boolean
- #to_boolean ⇒ Object
- #to_f ⇒ Object
- #to_i ⇒ Object
- #to_s ⇒ Object
- #to_s? ⇒ Boolean
- #to_sym ⇒ Object
- #to_sym? ⇒ Boolean
- #to_tcl ⇒ Object
Class Method Details
.guess(interp, obj, fallback = nil) ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/eval_result.rb', line 28 def self.guess(interp, obj, fallback = nil) obj = Obj.new(obj) unless obj.respond_to?(:type) type = TYPES[obj.type.to_i] case type when :list to_list(interp, obj) when :string, :pixel, :cmdName to_string(interp, obj) when :int to_int(interp, obj) when :double to_double(interp, obj) else if fallback __send__(fallback, interp, obj) else raise "Unknown type: %p" % [type] if type new(interp, obj) end end end |
.map_list_core(interp, obj) ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/eval_result.rb', line 68 def self.map_list_core(interp, obj) result_pointer = MemoryPointer.new(:pointer) count_pointer = MemoryPointer.new(:int) length_pointer = MemoryPointer.new(:int) Tcl.list_obj_length(interp, obj, count_pointer) count = count_pointer.get_int(0) (0...count).map do |idx| Tcl.list_obj_index(interp, obj, idx, result_pointer) yield result_pointer.get_pointer(0) end end |
.reset_types(interp) ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/eval_result.rb', line 7 def self.reset_types(interp) TYPES.clear list = Tcl.new_list_obj(0, nil) Tcl.append_all_obj_types(interp, list) result_pointer = MemoryPointer.new(:pointer) count_pointer = MemoryPointer.new(:int) length_pointer = MemoryPointer.new(:int) Tcl.list_obj_length(interp, list, count_pointer) count = count_pointer.get_int(0) (0...count).each do |idx| Tcl.list_obj_index(interp, list, idx, result_pointer) element_pointer = result_pointer.get_pointer(0) name = Tcl.get_string_from_obj(element_pointer, length_pointer) type = Tcl.get_obj_type(name) TYPES[type.to_i] = name.to_sym end end |
.to_boolean(interp, obj) ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/eval_result.rb', line 82 def self.to_boolean(interp, obj) boolean_pointer = MemoryPointer.new(:int) Tcl.get_boolean_from_obj(interp, obj, boolean_pointer) boolean_pointer.get_int(0) == 1 end |
.to_double(interp, obj) ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/eval_result.rb', line 51 def self.to_double(interp, obj) double_pointer = MemoryPointer.new(:double) if Tcl.get_double_from_obj(interp, obj, double_pointer) == 0 double_pointer.get_double(0) else raise "Couldn't get double from %p" % [obj] end end |
.to_int(interp, obj) ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/eval_result.rb', line 88 def self.to_int(interp, obj) int_pointer = MemoryPointer.new(:int) Tcl.get_int_from_obj(interp, obj, int_pointer) int_pointer.get_int(0) end |
.to_list(interp, obj) ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/eval_result.rb', line 61 def self.to_list(interp, obj) map_list_core(interp, obj) do |pointer| value = guess(interp, pointer, :to_string) block_given? ? yield(value) : value end end |
Instance Method Details
#inspect ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/eval_result.rb', line 143 def inspect "#<EvalResult #{to_s}>" end |
#to_a(&block) ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/eval_result.rb', line 100 def to_a(&block) self.class.to_list(interp, obj, &block) end |
#to_a?(&block) ⇒ Boolean
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# File 'lib/ffi-tk/ffi/tcl/eval_result.rb', line 104 def to_a?(&block) value = self.class.to_list(interp, obj, &block) value.empty? ? nil : value end |
#to_boolean ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/eval_result.rb', line 135 def to_boolean self.class.to_boolean(interp, obj) end |
#to_f ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/eval_result.rb', line 122 def to_f self.class.to_double(interp, obj) end |
#to_i ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/eval_result.rb', line 118 def to_i self.class.to_int(interp, obj) end |
#to_s ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/eval_result.rb', line 126 def to_s self.class.to_string(interp, obj) end |
#to_s? ⇒ Boolean
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# File 'lib/ffi-tk/ffi/tcl/eval_result.rb', line 130 def to_s? value = self.class.to_string(interp, obj) value.empty? ? nil : value end |
#to_sym ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/eval_result.rb', line 109 def to_sym self.class.to_string(interp, obj).to_sym end |
#to_sym? ⇒ Boolean
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# File 'lib/ffi-tk/ffi/tcl/eval_result.rb', line 113 def to_sym? value = self.class.to_string(interp, obj).to_sym value.empty? ? nil : value.to_sym end |
#to_tcl ⇒ Object
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# File 'lib/ffi-tk/ffi/tcl/eval_result.rb', line 139 def to_tcl to_s.to_tcl end |