mojo/public/bindings/generators/js_templates/struct_definition.tmpl - Issue 226263002: Mojo: Move mojo/public/bindings to mojo/public/tools/bindings.

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Issue 226263002: Mojo: Move mojo/public/bindings to mojo/public/tools/bindings. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: rebased Created 6 years, 8 months ago

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1 {%- macro set_default(module, kind, value, depth) -%}

2 {#--- Strings ---#}

3 {%- if kind\|is_string_kind -%}

4 {{caller(value\|expression_to_text(module))}}

5 {#--- Arrays ---#}

6 {%- elif kind\|is_array_kind %}

7 {%- set _ = value\|verify_token_type("ARRAY") %}

8 {

9 var tmp{{depth}} = [];

10 {%- for element in value[1] %}

11 {%- filter indent(2) %}

12 {%- call(result) set_default(module, kind.kind, element, depth+1) %}

13 tmp{{depth}}[{{loop.index0}}] = {{result}};

14 {%- endcall %}

15 {%- endfilter %}

16 {%- endfor -%}

17 {{caller("tmp" ~ depth)\|indent(2)}}

18 }

19 {#--- Objects ---#}

20 {%- elif kind\|is_object_kind %}

21 {%- set _ = value\|verify_token_type("OBJECT") %}

22 {

23 var tmp{{depth}} = new {{kind\|js_type}}();

24 {%- set struct = kinds[kind.spec] %}

25 {%- for element in value[1] %}

26 {#- Use struct.packed_fields to order struct values by ordinal number #}

27 {%- set subfield = struct.fields[loop.index0] %}

28 {%- filter indent(2) %}

29 {%- call(result) set_default(module, subfield.kind, element, depth+1) %}

30 tmp{{depth}}.{{subfield.name}} = {{result}};

31 {%- endcall %}

32 {%- endfilter %}

33 {%- endfor -%}

34 {{caller("tmp" ~ depth)\|indent(2)}}

35 }

36 {#--- POD types ---#}

37 {%- else -%}

38 {{caller(value\|expression_to_text(module))}}

39 {%- endif %}

40 {%- endmacro %}

41

42 {#--- Begin #}

43 {#--- Enums. We must define these before the constructor because they

44 may be used there. Later, we alias these to be class static variables. #}

45 {%- from "enum_definition.tmpl" import enum_def %}

46 {% for enum in struct.enums %}

47 var {{enum_def("%s_%s"\|format(struct.name, enum.name), enum, module)}}

48 {% endfor %}

49

50 {#--- Constructor #}

51 function {{struct.name}}() {

52 {%- for packed_field in struct.packed.packed_fields %}

53 {%- if packed_field.field.default %}

54 {%- filter indent(4) %}

55 {%- call(result) set_default(module, packed_field.field.kind, packed_field.f ield.default, 0) %}

56 this.{{packed_field.field.name}} = {{result}};

57 {%- endcall %}

58 {%- endfilter %}

59 {%- else %}

60 this.{{packed_field.field.name}} = {{packed_field.field\|default_value}};

61 {%- endif %}

62 {%- endfor %}

63 }

64

65 {#--- Alias any Struct_Enum enums to Struct.Enum #}

66 {% for enum in struct.enums %}

67 {{struct.name}}.{{enum.name}} = {{struct.name}}_{{enum.name}};

68 {%- endfor %}

69

70 {#--- Encoding and decoding #}

71

72 {{struct.name}}.encodedSize = codec.kStructHeaderSize + {{struct.packed\|payloa d_size}};

73

74 {{struct.name}}.decode = function(decoder) {

75 var packed;

76 var val = new {{struct.name}}();

77 var numberOfBytes = decoder.read32();

78 var numberOfFields = decoder.read32();

79 {%- for byte in struct.bytes %}

80 {%- if byte.packed_fields\|length > 1 %}

81 packed = decoder.read8();

82 {%- for packed_field in byte.packed_fields %}

83 val.{{packed_field.field.name}} = (packed >> {{packed_field.bit}}) & 1 ? tru e : false;

84 {%- endfor %}

85 {%- else %}

86 {%- for packed_field in byte.packed_fields %}

87 val.{{packed_field.field.name}} = decoder.{{packed_field.field.kind\|decode_s nippet}};

88 {%- endfor %}

89 {%- endif %}

90 {%- if byte.is_padding %}

91 decoder.skip(1);

92 {%- endif %}

93 {%- endfor %}

94 return val;

95 };

96

97 {{struct.name}}.encode = function(encoder, val) {

98 var packed;

99 encoder.write32({{struct.name}}.encodedSize);

100 encoder.write32({{struct.packed.packed_fields\|length}});

101

102 {%- for byte in struct.bytes %}

103 {%- if byte.packed_fields\|length > 1 %}

104 packed = 0;

105 {%- for packed_field in byte.packed_fields %}

106 packed \|= (val.{{packed_field.field.name}} & 1) << {{packed_field.bit}}

107 {%- endfor %}

108 encoder.write8(packed);

109 {%- else %}

110 {%- for packed_field in byte.packed_fields %}

111 encoder.{{packed_field.field.kind\|encode_snippet}}val.{{packed_field.field.n ame}});

112 {%- endfor %}

113 {%- endif %}

114 {%- if byte.is_padding %}

115 encoder.skip(1);

116 {%- endif %}

117 {%- endfor %}

118 };

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