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| (Empty) |
| 1 {%- macro union_def(union) %} | |
| 2 function {{union.name}}(value) { | |
| 3 this.initDefault_(); | |
| 4 this.initValue_(value); | |
| 5 } | |
| 6 | |
| 7 {{tags(union)}} | |
| 8 | |
| 9 {{union.name}}.prototype.initDefault_ = function() { | |
| 10 this.$data = null; | |
| 11 this.$tag = undefined; | |
| 12 } | |
| 13 | |
| 14 {{union.name}}.prototype.initValue_ = function(value) { | |
| 15 if (value == undefined) { | |
| 16 return; | |
| 17 } | |
| 18 | |
| 19 var keys = Object.keys(value); | |
| 20 if (keys.length == 0) { | |
| 21 return; | |
| 22 } | |
| 23 | |
| 24 if (keys.length > 1) { | |
| 25 throw new TypeError("You may set only one member on a union."); | |
| 26 } | |
| 27 | |
| 28 var fields = [ | |
| 29 {%- for field in union.fields %} | |
| 30 "{{field.name}}", | |
| 31 {%- endfor %} | |
| 32 ]; | |
| 33 | |
| 34 if (fields.indexOf(keys[0]) < 0) { | |
| 35 throw new ReferenceError(keys[0] + " is not a {{union.name}} member."); | |
| 36 | |
| 37 } | |
| 38 | |
| 39 this[keys[0]] = value[keys[0]]; | |
| 40 } | |
| 41 | |
| 42 {%- for field in union.fields %} | |
| 43 Object.defineProperty({{union.name}}.prototype, "{{field.name}}", { | |
| 44 get: function() { | |
| 45 if (this.$tag != {{union.name}}.Tags.{{field.name}}) { | |
| 46 throw new ReferenceError( | |
| 47 "{{union.name}}.{{field.name}} is not currently set."); | |
| 48 } | |
| 49 return this.$data; | |
| 50 }, | |
| 51 | |
| 52 set: function(value) { | |
| 53 this.$tag = {{union.name}}.Tags.{{field.name}}; | |
| 54 this.$data = value; | |
| 55 } | |
| 56 }); | |
| 57 {%- endfor %} | |
| 58 | |
| 59 {{encode(union)|indent(2)}} | |
| 60 | |
| 61 {{decode(union)|indent(2)}} | |
| 62 | |
| 63 {{validate(union)|indent(2)}} | |
| 64 | |
| 65 {{union.name}}.encodedSize = 16; | |
| 66 {%- endmacro %} | |
| 67 | |
| 68 {%- macro tags(union) %} | |
| 69 {{union.name}}.Tags = { | |
| 70 {%- for field in union.fields %} | |
| 71 {{field.name}}: {{field.ordinal}}, | |
| 72 {%- endfor %} | |
| 73 }; | |
| 74 {%- endmacro %} | |
| 75 | |
| 76 {%- macro encode(union) %} | |
| 77 {{union.name}}.encode = function(encoder, val) { | |
| 78 if (val == null) { | |
| 79 encoder.writeUint64(0); | |
| 80 encoder.writeUint64(0); | |
| 81 return; | |
| 82 } | |
| 83 if (val.$tag == undefined) { | |
| 84 throw new TypeError("Cannot encode unions with an unknown member set."); | |
| 85 } | |
| 86 | |
| 87 encoder.writeUint32(16); | |
| 88 encoder.writeUint32(val.$tag); | |
| 89 switch (val.$tag) { | |
| 90 {%- for field in union.fields %} | |
| 91 case {{union.name}}.Tags.{{field.name}}: | |
| 92 encoder.{{field.kind|union_encode_snippet}}val.{{field.name}}); | |
| 93 break; | |
| 94 {%- endfor %} | |
| 95 } | |
| 96 encoder.align(); | |
| 97 }; | |
| 98 {%- endmacro %} | |
| 99 | |
| 100 {%- macro decode(union) %} | |
| 101 {{union.name}}.decode = function(decoder) { | |
| 102 var size = decoder.readUint32(); | |
| 103 if (size == 0) { | |
| 104 decoder.readUint32(); | |
| 105 decoder.readUint64(); | |
| 106 return null; | |
| 107 } | |
| 108 | |
| 109 var result = new {{union.name}}(); | |
| 110 var tag = decoder.readUint32(); | |
| 111 switch (tag) { | |
| 112 {%- for field in union.fields %} | |
| 113 case {{union.name}}.Tags.{{field.name}}: | |
| 114 result.{{field.name}} = decoder.{{field.kind|union_decode_snippet}}; | |
| 115 break; | |
| 116 {%- endfor %} | |
| 117 } | |
| 118 decoder.align(); | |
| 119 | |
| 120 return result; | |
| 121 }; | |
| 122 {%- endmacro %} | |
| 123 | |
| 124 {%- from "validation_macros.tmpl" import validate_union_field %} | |
| 125 {%- macro validate(union) %} | |
| 126 {{union.name}}.validate = function(messageValidator, offset) { | |
| 127 var size = messageValidator.decodeUnionSize(offset); | |
| 128 if (size != 16) { | |
| 129 return validator.validationError.INVALID_UNION_SIZE; | |
| 130 } | |
| 131 | |
| 132 var tag = messageValidator.decodeUnionTag(offset); | |
| 133 var data_offset = offset + 8; | |
| 134 var err; | |
| 135 switch (tag) { | |
| 136 {%- for field in union.fields %} | |
| 137 {%- set name = union.name ~ '.' ~ field.name %} | |
| 138 case {{union.name}}.Tags.{{field.name}}: | |
| 139 {{validate_union_field(field, "data_offset", name)}} | |
| 140 break; | |
| 141 {%- endfor %} | |
| 142 } | |
| 143 | |
| 144 return validator.validationError.NONE; | |
| 145 }; | |
| 146 {%- endmacro %} | |
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Chromium Code Reviews
Issue 2250183003:
Make the fuchsia mojo/public repo the source of truth. (Closed)
Base URL: https://github.com/domokit/mojo.git@master