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Unified Diff: third_party/mojo/src/mojo/public/tools/bindings/generators/java_templates/struct_definition.tmpl

Issue 1157573002: Revert "Update mojo sdk to rev 1dc8a9a5db73d3718d99917fadf31f5fb2ebad4f" (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 7 months ago
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Index: third_party/mojo/src/mojo/public/tools/bindings/generators/java_templates/struct_definition.tmpl
diff --git a/third_party/mojo/src/mojo/public/tools/bindings/generators/java_templates/struct_definition.tmpl b/third_party/mojo/src/mojo/public/tools/bindings/generators/java_templates/struct_definition.tmpl
new file mode 100644
index 0000000000000000000000000000000000000000..76c07fde69ecb95e16b70acc0c0498aa4600ecb2
--- /dev/null
+++ b/third_party/mojo/src/mojo/public/tools/bindings/generators/java_templates/struct_definition.tmpl
@@ -0,0 +1,220 @@
+{% from "constant_definition.tmpl" import constant_def %}
+{% from "enum_definition.tmpl" import enum_def %}
+
+{%- macro inequality(kind, v1, v2) -%}
+{%- if kind|is_reference_kind -%}
+{%- if kind|is_array_kind -%}
+{%- if kind.kind|is_reference_kind -%}
+!java.util.Arrays.deepEquals({{v1}}, {{v2}})
+{%- else -%}
+!java.util.Arrays.equals({{v1}}, {{v2}})
+{%- endif -%}
+{%- else -%}
+!org.chromium.mojo.bindings.BindingsHelper.equals({{v1}}, {{v2}})
+{%- endif -%}
+{%- else -%}
+{{v1}} != {{v2}}
+{%- endif -%}
+{%- endmacro -%}
+
+{%- macro hash(kind, v) -%}
+{%- if kind|is_array_kind -%}
+{%- if kind.kind|is_reference_kind -%}
+java.util.Arrays.deepHashCode({{v}})
+{%- else -%}
+java.util.Arrays.hashCode({{v}})
+{%- endif -%}
+{%- else -%}
+org.chromium.mojo.bindings.BindingsHelper.hashCode({{v}})
+{%- endif -%}
+{%- endmacro -%}
+
+{% macro encode(variable, kind, offset, bit, level=0, check_for_null=True) %}
+{% if kind|is_pointer_array_kind %}
+{% set sub_kind = kind.kind %}
+{% if check_for_null %}
+if ({{variable}} == null) {
+ encoder{{level}}.encodeNullPointer({{offset}}, {{kind|is_nullable_kind|java_true_false}});
+} else {
+{% else %}
+{
+{% endif %}
+ org.chromium.mojo.bindings.Encoder encoder{{level + 1}} = encoder{{level}}.encodePointerArray({{variable}}.length, {{offset}}, {{kind|array_expected_length}});
+ for (int i{{level}} = 0; i{{level}} < {{variable}}.length; ++i{{level}}) {
+ {{encode(variable~'[i'~level~']', sub_kind, 'DataHeader.HEADER_SIZE + org.chromium.mojo.bindings.BindingsHelper.POINTER_SIZE * i'~level, 0, level+1)|indent(8)}}
+ }
+}
+{% elif kind|is_map_kind %}
+if ({{variable}} == null) {
+ encoder{{level}}.encodeNullPointer({{offset}}, {{kind|is_nullable_kind|java_true_false}});
+} else {
+ org.chromium.mojo.bindings.Encoder encoder{{level + 1}} = encoder{{level}}.encoderForMap({{offset}});
+ int size{{level}} = {{variable}}.size();
+ {{kind.key_kind|java_type}}[] keys{{level}} = {{kind.key_kind|array|new_array('size'~level)}};
+ {{kind.value_kind|java_type}}[] values{{level}} = {{kind.value_kind|array|new_array('size'~level)}};
+ int index{{level}} = 0;
+ for (java.util.Map.Entry<{{kind.key_kind|java_type(true)}}, {{kind.value_kind|java_type(true)}}> entry{{level}} : {{variable}}.entrySet()) {
+ keys{{level}}[index{{level}}] = entry{{level}}.getKey();
+ values{{level}}[index{{level}}] = entry{{level}}.getValue();
+ ++index{{level}};
+ }
+ {{encode('keys'~level, kind.key_kind|array, 'DataHeader.HEADER_SIZE', 0, level+1, False)|indent(4)}}
+ {{encode('values'~level, kind.value_kind|array, 'DataHeader.HEADER_SIZE + org.chromium.mojo.bindings.BindingsHelper.POINTER_SIZE', 0, level+1, False)|indent(4)}}
+}
+{% else %}
+encoder{{level}}.{{kind|encode_method(variable, offset, bit)}};
+{% endif %}
+{% endmacro %}
+
+{% macro decode(variable, kind, offset, bit, level=0) %}
+{% if kind|is_struct_kind or kind|is_pointer_array_kind or kind|is_map_kind %}
+org.chromium.mojo.bindings.Decoder decoder{{level+1}} = decoder{{level}}.readPointer({{offset}}, {{kind|is_nullable_kind|java_true_false}});
+{% if kind|is_struct_kind %}
+{{variable}} = {{kind|java_type}}.decode(decoder{{level+1}});
+{% else %}{# kind|is_pointer_array_kind or is_map_kind #}
+{% if kind|is_nullable_kind %}
+if (decoder{{level+1}} == null) {
+ {{variable}} = null;
+} else {
+{% else %}
+{
+{% endif %}
+{% if kind|is_map_kind %}
+ decoder{{level+1}}.readDataHeaderForMap();
+ {{kind.key_kind|java_type}}[] keys{{level}};
+ {{kind.value_kind|java_type}}[] values{{level}};
+ {
+ {{decode('keys'~level, kind.key_kind|array, 'DataHeader.HEADER_SIZE', 0, level+1)|indent(8)}}
+ }
+ {
+ {{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)}}
+ }
+ {{variable}} = new java.util.HashMap<{{kind.key_kind|java_type(true)}}, {{kind.value_kind|java_type(true)}}>();
+ for (int index{{level}} = 0; index{{level}} < keys{{level}}.length; ++index{{level}}) {
+ {{variable}}.put(keys{{level}}[index{{level}}], values{{level}}[index{{level}}]);
+ }
+{% else %}
+ DataHeader si{{level+1}} = decoder{{level+1}}.readDataHeaderForPointerArray({{kind|array_expected_length}});
+ {{variable}} = {{kind|new_array('si'~(level+1)~'.elementsOrVersion')}};
+ for (int i{{level+1}} = 0; i{{level+1}} < si{{level+1}}.elementsOrVersion; ++i{{level+1}}) {
+ {{decode(variable~'[i'~(level+1)~']', kind.kind, 'DataHeader.HEADER_SIZE + org.chromium.mojo.bindings.BindingsHelper.POINTER_SIZE * i'~(level+1), 0, level+1)|indent(8)}}
+ }
+{% endif %}
+}
+{% endif %}
+{% else %}
+{{variable}} = decoder{{level}}.{{kind|decode_method(offset, bit)}};
+{% endif %}
+{% endmacro %}
+
+{% macro struct_def(struct, inner_class=False) %}
+{{'static' if inner_class else 'public'}} final class {{struct|name}} extends org.chromium.mojo.bindings.Struct {
+
+ private static final int STRUCT_SIZE = {{struct.versions[-1].num_bytes}};
+ private static final DataHeader[] VERSION_ARRAY = new DataHeader[] {
+{%- for version in struct.versions -%}
+ new DataHeader({{version.num_bytes}}, {{version.version}}){% if not loop.last %}, {% endif -%}
+{%- endfor -%}
+ };
+ private static final DataHeader DEFAULT_STRUCT_INFO = VERSION_ARRAY[{{struct.versions|length - 1}}];
+{% for constant in struct.constants %}
+
+ {{constant_def(constant)|indent(4)}}
+{% endfor %}
+{% for enum in struct.enums %}
+
+ {{enum_def(enum, false)|indent(4)}}
+{% endfor %}
+{% if struct.fields %}
+
+{% for field in struct.fields %}
+ public {{field.kind|java_type}} {{field|name}};
+{% endfor %}
+{% endif %}
+
+ private {{struct|name}}(int version) {
+ super(STRUCT_SIZE, version);
+{% for field in struct.fields %}
+{% if field.default %}
+ {{field|name}} = {{field|default_value}};
+{% elif field.kind|is_any_handle_kind and not field.kind|is_interface_request_kind %}
+ {{field|name}} = org.chromium.mojo.system.InvalidHandle.INSTANCE;
+{% endif %}
+{% endfor %}
+ }
+
+ public {{struct|name}}() {
+ this({{struct.versions[-1].version}});
+ }
+
+ public static {{struct|name}} deserialize(org.chromium.mojo.bindings.Message message) {
+ return decode(new org.chromium.mojo.bindings.Decoder(message));
+ }
+
+ @SuppressWarnings("unchecked")
+ public static {{struct|name}} decode(org.chromium.mojo.bindings.Decoder decoder0) {
+ if (decoder0 == null) {
+ return null;
+ }
+ DataHeader mainDataHeader = decoder0.readAndValidateDataHeader(VERSION_ARRAY);
+ {{struct|name}} result = new {{struct|name}}(mainDataHeader.elementsOrVersion);
+{% for byte in struct.bytes %}
+{% for packed_field in byte.packed_fields %}
+ if (mainDataHeader.elementsOrVersion >= {{packed_field.min_version}}) {
+ {{decode('result.' ~ packed_field.field|name, packed_field.field.kind, 8+packed_field.offset, packed_field.bit)|indent(12)}}
+ }
+{% endfor %}
+{% endfor %}
+ return result;
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override
+ protected final void encode(org.chromium.mojo.bindings.Encoder encoder) {
+{% if not struct.bytes %}
+ encoder.getEncoderAtDataOffset(DEFAULT_STRUCT_INFO);
+{% else %}
+ org.chromium.mojo.bindings.Encoder encoder0 = encoder.getEncoderAtDataOffset(DEFAULT_STRUCT_INFO);
+{% endif %}
+{% for byte in struct.bytes %}
+{% for packed_field in byte.packed_fields %}
+ {{encode(packed_field.field|name, packed_field.field.kind, 8+packed_field.offset, packed_field.bit)|indent(8)}}
+{% endfor %}
+{% endfor %}
+ }
+
+ /**
+ * @see Object#equals(Object)
+ */
+ @Override
+ public boolean equals(Object object) {
+ if (object == this)
+ return true;
+ if (object == null)
+ return false;
+ if (getClass() != object.getClass())
+ return false;
+{% if struct.fields|length %}
+ {{struct|name}} other = ({{struct|name}}) object;
+{% for field in struct.fields %}
+ if ({{inequality(field.kind, field|name, 'other.'~field|name)}})
+ return false;
+{% endfor %}
+{% endif %}
+ return true;
+ }
+
+ /**
+ * @see Object#hashCode()
+ */
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = prime + getClass().hashCode();
+{% for field in struct.fields %}
+ result = prime * result + {{hash(field.kind, field|name)}};
+{% endfor %}
+ return result;
+ }
+}
+{% endmacro %}

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