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Side by Side Diff: mojo/public/tools/bindings/generators/java_templates/struct_definition.tmpl

Issue 814543006: Move //mojo/{public, edk} underneath //third_party (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase Created 5 years, 11 months ago
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1 {% from "constant_definition.tmpl" import constant_def %}
2 {% from "enum_definition.tmpl" import enum_def %}
3
4 {%- macro inequality(kind, v1, v2) -%}
5 {%- if kind|is_reference_kind -%}
6 {%- if kind|is_array_kind -%}
7 {%- if kind.kind|is_reference_kind -%}
8 !java.util.Arrays.deepEquals({{v1}}, {{v2}})
9 {%- else -%}
10 !java.util.Arrays.equals({{v1}}, {{v2}})
11 {%- endif -%}
12 {%- else -%}
13 !org.chromium.mojo.bindings.BindingsHelper.equals({{v1}}, {{v2}})
14 {%- endif -%}
15 {%- else -%}
16 {{v1}} != {{v2}}
17 {%- endif -%}
18 {%- endmacro -%}
19
20 {%- macro hash(kind, v) -%}
21 {%- if kind|is_array_kind -%}
22 {%- if kind.kind|is_reference_kind -%}
23 java.util.Arrays.deepHashCode({{v}})
24 {%- else -%}
25 java.util.Arrays.hashCode({{v}})
26 {%- endif -%}
27 {%- else -%}
28 org.chromium.mojo.bindings.BindingsHelper.hashCode({{v}})
29 {%- endif -%}
30 {%- endmacro -%}
31
32 {% macro encode(variable, kind, offset, bit, level=0, check_for_null=True) %}
33 {% if kind|is_pointer_array_kind %}
34 {% set sub_kind = kind.kind %}
35 {% if check_for_null %}
36 if ({{variable}} == null) {
37 encoder{{level}}.encodeNullPointer({{offset}}, {{kind|is_nullable_kind|java_ true_false}});
38 } else {
39 {% else %}
40 {
41 {% endif %}
42 org.chromium.mojo.bindings.Encoder encoder{{level + 1}} = encoder{{level}}.e ncodePointerArray({{variable}}.length, {{offset}}, {{kind|array_expected_length} });
43 for (int i{{level}} = 0; i{{level}} < {{variable}}.length; ++i{{level}}) {
44 {{encode(variable~'[i'~level~']', sub_kind, 'DataHeader.HEADER_SIZE + or g.chromium.mojo.bindings.BindingsHelper.POINTER_SIZE * i'~level, 0, level+1)|ind ent(8)}}
45 }
46 }
47 {% elif kind|is_map_kind %}
48 if ({{variable}} == null) {
49 encoder{{level}}.encodeNullPointer({{offset}}, {{kind|is_nullable_kind|java_ true_false}});
50 } else {
51 org.chromium.mojo.bindings.Encoder encoder{{level + 1}} = encoder{{level}}.e ncoderForMap({{offset}});
52 int size{{level}} = {{variable}}.size();
53 {{kind.key_kind|java_type}}[] keys{{level}} = {{kind.key_kind|array|new_arra y('size'~level)}};
54 {{kind.value_kind|java_type}}[] values{{level}} = {{kind.value_kind|array|ne w_array('size'~level)}};
55 int index{{level}} = 0;
56 for (java.util.Map.Entry<{{kind.key_kind|java_type(true)}}, {{kind.value_kin d|java_type(true)}}> entry{{level}} : {{variable}}.entrySet()) {
57 keys{{level}}[index{{level}}] = entry{{level}}.getKey();
58 values{{level}}[index{{level}}] = entry{{level}}.getValue();
59 ++index{{level}};
60 }
61 {{encode('keys'~level, kind.key_kind|array, 'DataHeader.HEADER_SIZE', 0, lev el+1, False)|indent(4)}}
62 {{encode('values'~level, kind.value_kind|array, 'DataHeader.HEADER_SIZE + or g.chromium.mojo.bindings.BindingsHelper.POINTER_SIZE', 0, level+1, False)|indent (4)}}
63 }
64 {% else %}
65 encoder{{level}}.{{kind|encode_method(variable, offset, bit)}};
66 {% endif %}
67 {% endmacro %}
68
69 {% macro decode(variable, kind, offset, bit, level=0) %}
70 {% if kind|is_struct_kind or kind|is_pointer_array_kind or kind|is_map_kind %}
71 org.chromium.mojo.bindings.Decoder decoder{{level+1}} = decoder{{level}}.readPoi nter({{offset}}, {{kind|is_nullable_kind|java_true_false}});
72 {% if kind|is_struct_kind %}
73 {{variable}} = {{kind|java_type}}.decode(decoder{{level+1}});
74 {% else %}{# kind|is_pointer_array_kind or is_map_kind #}
75 {% if kind|is_nullable_kind %}
76 if (decoder{{level+1}} == null) {
77 {{variable}} = null;
78 } else {
79 {% else %}
80 {
81 {% endif %}
82 {% if kind|is_map_kind %}
83 decoder{{level+1}}.readDataHeaderForMap();
84 {{kind.key_kind|java_type}}[] keys{{level}};
85 {{kind.value_kind|java_type}}[] values{{level}};
86 {
87 {{decode('keys'~level, kind.key_kind|array, 'DataHeader.HEADER_SIZE', 0, level+1)|indent(8)}}
88 }
89 {
90 {{decode('values'~level, kind.value_kind|array('keys'~level~'.length'), 'DataHeader.HEADER_SIZE + org.chromium.mojo.bindings.BindingsHelper.POINTER_SIZE ', 0, level+1)|indent(8)}}
91 }
92 {{variable}} = new java.util.HashMap<{{kind.key_kind|java_type(true)}}, {{ki nd.value_kind|java_type(true)}}>();
93 for (int index{{level}} = 0; index{{level}} < keys{{level}}.length; ++index{ {level}}) {
94 {{variable}}.put(keys{{level}}[index{{level}}], values{{level}}[index{{ level}}]);
95 }
96 {% else %}
97 DataHeader si{{level+1}} = decoder{{level+1}}.readDataHeaderForPointerArray( {{kind|array_expected_length}});
98 {{variable}} = {{kind|new_array('si'~(level+1)~'.numFields')}};
99 for (int i{{level+1}} = 0; i{{level+1}} < si{{level+1}}.numFields; ++i{{leve l+1}}) {
100 {{decode(variable~'[i'~(level+1)~']', kind.kind, 'DataHeader.HEADER_SIZE + org.chromium.mojo.bindings.BindingsHelper.POINTER_SIZE * i'~(level+1), 0, lev el+1)|indent(8)}}
101 }
102 {% endif %}
103 }
104 {% endif %}
105 {% else %}
106 {{variable}} = decoder{{level}}.{{kind|decode_method(offset, bit)}};
107 {% endif %}
108 {% endmacro %}
109
110 {% macro struct_def(struct, inner_class=False) %}
111 {{'static' if inner_class else 'public'}} final class {{struct|name}} extends or g.chromium.mojo.bindings.Struct {
112
113 private static final int STRUCT_SIZE = {{struct.packed|struct_size}};
114 private static final DataHeader DEFAULT_STRUCT_INFO = new DataHeader(STRUCT_ SIZE, {{struct.packed.packed_fields|length}});
115 {% for constant in struct.constants %}
116
117 {{constant_def(constant)|indent(4)}}
118 {% endfor %}
119 {% for enum in struct.enums %}
120
121 {{enum_def(enum, false)|indent(4)}}
122 {% endfor %}
123 {% if struct.fields %}
124
125 {% for field in struct.fields %}
126 public {{field.kind|java_type}} {{field|name}};
127 {% endfor %}
128 {% endif %}
129
130 public {{struct|name}}() {
131 super(STRUCT_SIZE);
132 {% for field in struct.fields %}
133 {% if field.default %}
134 {{field|name}} = {{field|default_value}};
135 {% elif field.kind|is_handle %}
136 {{field|name}} = org.chromium.mojo.system.InvalidHandle.INSTANCE;
137 {% endif %}
138 {% endfor %}
139 }
140
141 public static {{struct|name}} deserialize(org.chromium.mojo.bindings.Message message) {
142 return decode(new org.chromium.mojo.bindings.Decoder(message));
143 }
144
145 @SuppressWarnings("unchecked")
146 public static {{struct|name}} decode(org.chromium.mojo.bindings.Decoder deco der0) {
147 if (decoder0 == null) {
148 return null;
149 }
150 {{struct|name}} result = new {{struct|name}}();
151 {% if not struct.bytes %}
152 decoder0.readDataHeader();
153 {% else %}
154 DataHeader mainDataHeader = decoder0.readDataHeader();
155 {% endif %}
156 {% for byte in struct.bytes %}
157 {% for packed_field in byte.packed_fields %}
158 if (mainDataHeader.numFields > {{packed_field.ordinal}}) {
159 {{decode('result.' ~ packed_field.field|name, packed_field.field.kin d, 8+packed_field.offset, packed_field.bit)|indent(12)}}
160 }
161 {% endfor %}
162 {% endfor %}
163 return result;
164 }
165
166 @SuppressWarnings("unchecked")
167 @Override
168 protected final void encode(org.chromium.mojo.bindings.Encoder encoder) {
169 {% if not struct.bytes %}
170 encoder.getEncoderAtDataOffset(DEFAULT_STRUCT_INFO);
171 {% else %}
172 org.chromium.mojo.bindings.Encoder encoder0 = encoder.getEncoderAtDataOf fset(DEFAULT_STRUCT_INFO);
173 {% endif %}
174 {% for byte in struct.bytes %}
175 {% for packed_field in byte.packed_fields %}
176 {{encode(packed_field.field|name, packed_field.field.kind, 8+packed_fiel d.offset, packed_field.bit)|indent(8)}}
177 {% endfor %}
178 {% endfor %}
179 }
180
181 /**
182 * @see Object#equals(Object)
183 */
184 @Override
185 public boolean equals(Object object) {
186 if (object == this)
187 return true;
188 if (object == null)
189 return false;
190 if (getClass() != object.getClass())
191 return false;
192 {% if struct.fields|length %}
193 {{struct|name}} other = ({{struct|name}}) object;
194 {% for field in struct.fields %}
195 if ({{inequality(field.kind, field|name, 'other.'~field|name)}})
196 return false;
197 {% endfor %}
198 {% endif %}
199 return true;
200 }
201
202 /**
203 * @see Object#hashCode()
204 */
205 @Override
206 public int hashCode() {
207 final int prime = 31;
208 int result = prime + getClass().hashCode();
209 {% for field in struct.fields %}
210 result = prime * result + {{hash(field.kind, field|name)}};
211 {% endfor %}
212 return result;
213 }
214 }
215 {% endmacro %}
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