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1{% from "constant_definition.tmpl" import constant_def %}
2{% from "enum_definition.tmpl" import enum_def %}
3
4{%- macro array_expected_length(kind) -%}
5{%- if kind|is_fixed_array_kind -%}
6{{kind.length}}
7{%- else -%}
8org.chromium.mojo.bindings.BindingsHelper.UNSPECIFIED_ARRAY_LENGTH
9{%- endif -%}
10{%- endmacro -%}
11
12{% macro encode(variable, kind, offset, bit, level=0) %}
13{% if kind|is_pointer_array_kind %}
14{% set sub_kind = kind.kind %}
15if ({{variable}} == null) {
16    encoder{{level}}.encodeNullPointer({{offset}}, {{kind|is_nullable_kind|java_true_false}});
17} else {
18    org.chromium.mojo.bindings.Encoder encoder{{level + 1}} = encoder{{level}}.encodePointerArray({{variable}}.length, {{offset}}, {{array_expected_length(kind)}});
19    for (int i{{level}} = 0; i{{level}} < {{variable}}.length; ++i{{level}}) {
20        {{encode(variable~'[i'~level~']', sub_kind, 'DataHeader.HEADER_SIZE + org.chromium.mojo.bindings.BindingsHelper.POINTER_SIZE * i'~level, 0, level+1)|indent(8)}}
21    }
22}
23{% else %}
24encoder{{level}}.{{kind|encode_method(variable, offset, bit)}};
25{% endif %}
26{% endmacro %}
27
28{% macro decode(variable, kind, offset, bit, level=0) %}
29{% if kind|is_struct_kind or kind|is_pointer_array_kind %}
30org.chromium.mojo.bindings.Decoder decoder{{level+1}} = decoder{{level}}.readPointer({{offset}}, {{kind|is_nullable_kind|java_true_false}});
31{%   if kind|is_struct_kind %}
32{{variable}} = {{kind|java_type}}.decode(decoder{{level+1}});
33{%   else %}{# kind|is_pointer_array_kind #}
34if (decoder{{level+1}} == null) {
35    {{variable}} = null;
36} else {
37    DataHeader si{{level+1}} = decoder{{level+1}}.readDataHeaderForPointerArray({{array_expected_length(kind)}});
38    {{variable}} = {{kind|new_array('si'~(level+1)~'.numFields')}};
39    for (int i{{level+1}} = 0; i{{level+1}} < si{{level+1}}.numFields; ++i{{level+1}}) {
40        {{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)}}
41    }
42}
43{%   endif %}
44{% else %}
45{{variable}} = decoder{{level}}.{{kind|decode_method(offset, bit)}};
46{% endif %}
47{% endmacro %}
48
49{% macro struct_def(struct, inner_class=False) %}
50{{'static' if inner_class else 'public'}} final class {{struct|name}} extends org.chromium.mojo.bindings.Struct {
51
52    private static final int STRUCT_SIZE = {{struct.packed|struct_size}};
53    private static final DataHeader DEFAULT_STRUCT_INFO = new DataHeader(STRUCT_SIZE, {{struct.packed.packed_fields|length}});
54{%  for constant in struct.constants %}
55
56    {{constant_def(constant)|indent(4)}}
57{%  endfor %}
58{%  for enum in struct.enums %}
59
60    {{enum_def(enum, false)|indent(4)}}
61{% endfor %}
62{% if struct.fields %}
63
64{%   for field in struct.fields %}
65    public {{field.kind|java_type}} {{field|name}};
66{%   endfor %}
67{% endif %}
68
69    public {{struct|name}}() {
70        super(STRUCT_SIZE);
71{% for field in struct.fields %}
72{%   if field.default %}
73        {{field|name}} = {{field|default_value}};
74{%   elif field.kind|is_handle %}
75        {{field|name}} = org.chromium.mojo.system.InvalidHandle.INSTANCE;
76{%   endif %}
77{% endfor %}
78    }
79
80    public static {{struct|name}} deserialize(org.chromium.mojo.bindings.Message message) {
81        return decode(new org.chromium.mojo.bindings.Decoder(message));
82    }
83
84    public static {{struct|name}} decode(org.chromium.mojo.bindings.Decoder decoder0) {
85        if (decoder0 == null) {
86            return null;
87        }
88        {{struct|name}} result = new {{struct|name}}();
89{% if not struct.bytes %}
90        decoder0.readDataHeader();
91{% else %}
92        DataHeader mainDataHeader = decoder0.readDataHeader();
93{% endif %}
94{% for byte in struct.bytes %}
95{%   for packed_field in byte.packed_fields %}
96        if (mainDataHeader.numFields > {{packed_field.ordinal}}) {
97            {{decode('result.' ~ packed_field.field|name, packed_field.field.kind, 8+packed_field.offset, packed_field.bit)|indent(12)}}
98        }
99{%   endfor %}
100{% endfor %}
101        return result;
102    }
103
104    @Override
105    protected final void encode(org.chromium.mojo.bindings.Encoder encoder) {
106{% if not struct.bytes %}
107        encoder.getEncoderAtDataOffset(DEFAULT_STRUCT_INFO);
108{% else %}
109        org.chromium.mojo.bindings.Encoder encoder0 = encoder.getEncoderAtDataOffset(DEFAULT_STRUCT_INFO);
110{% endif %}
111{% for byte in struct.bytes %}
112{%   for packed_field in byte.packed_fields %}
113        {{encode(packed_field.field|name, packed_field.field.kind, 8+packed_field.offset, packed_field.bit)|indent(8)}}
114{%   endfor %}
115{% endfor %}
116    }
117}
118{% endmacro %}
119