metagen_go/tpl/macro.twig

{% macro decl_units(meta) %}
  {%- for u in meta.getunits ~%}
    {%- if u.object is instanceof('\\mtgMetaStruct') ~%}
    {{ _self.decl_struct(u.object) }}
    {%- elseif u.object is instanceof('\\mtgMetaEnum') ~%}
    {{ _self.decl_enum(u.object) }}
    {%- elseif u.object is instanceof('\\mtgMetaRPC') ~%}
    {{ _self.decl_rpc(u.object) }}
    {%- endif ~%}
  {%- endfor ~%}
{% endmacro %}

{% macro decl_struct(o) %}

//==============================
type {{o.name}} struct {
{% if o.parent %}
{{o.parent.name}}
{% endif %}

{{_self.decl_struct_fields(o)}}
}
var _{{o.name}}_class_props map[string]string
var _{{o.name}}_class_fields []string = %fields_names%
var _{{o.name}}_fields_props meta.ClassFieldsProps
func init() {
  _{{o.name}}_class_props = %class_props%
  _{{o.name}}_fields_props = %fields_props%
}
func {{o.name}}_CLASS_ID() uint32 {
  return {{o.classid}}
}
type I{{o.name}} interface {
  meta.IMetaStruct
  Ptr{{o.name}}() *{{o.name}}
}
func (*{{o.name}}) CLASS_ID() uint32 {
  return %class_id%
}
func (*{{o.name}}) CLASS_NAME() string {
  return "{{o.name}}"
}
func (*{{o.name}}) CLASS_PROPS() *map[string]string {
  return &_{{o.name}}_class_props
}
func (*{{o.name}}) CLASS_FIELDS() []string {
  return _{{o.name}}_class_fields
}
func (*{{o.name}}) CLASS_FIELDS_PROPS() *meta.ClassFieldsProps {
  return &_{{o.name}}_fields_props
}
//convenience getter
func Ptr{{o.name}}(m meta.IMetaStruct) *{{o.name}} {
  p, ok := m.(I{{o.name}})
  if !ok {
    return nil
  }
  return p.Ptr{{o.name}}()
}
func (self *{{o.name}}) Ptr{{o.name}}() *{{o.name}} {
  return self
}
func New{{o.name}}() *{{o.name}} {
  item := new ({{o.name}})
  item.Reset()
  return item
}
func (self *{{o.name}}) Reset() {
  %fields_reset%
}
func (self *{{o.name}}) Read(reader meta.Reader) error {
  return meta.ReadStruct(reader, self, "")
}
func (self *{{o.name}}) ReadFields(reader meta.Reader) error {
  self.Reset()
  %read_buffer%
  return nil
}
func (self *{{o.name}}) Write(writer meta.Writer) error {
  return meta.WriteStruct(writer, self, "")
}
func (self *{{o.name}}) WriteFields(writer meta.Writer) error {
  %write_buffer%
  return nil
}
%ext_methods%
%analytics_methods%

{% endmacro %}

{% macro decl_struct_fields(o) %}
{%- for f in o.fields ~%}
{{f.name|ucfirst}} {{f.type|go_type(f.tokens)}} {{f.name|first != '_' ? '`json:"' ~ f.name ~ '"`'}} 
{%- endfor ~%}
{% endmacro %}

{% macro decl_enum(o) %}

//==============================
const (
{{_self.enum_consts(o)}}
)
type {{o.name}} int32
var _{{o.name}}_values []int = []int{ {{_self.enum_values_list(o)}} }
var _{{o.name}}_map map[string]{{o.name}}
func init() {
_{{o.name}}_map = map[string]{{o.name}}{ {{_self.enum_values_map(o)}} }
}
func (*{{o.name}}) CLASS_ID() uint32 {
  return {{o.classid}}
}
func (*{{o.name}}) CLASS_NAME() string {
  return "{{o.name}}"
}
func (*{{o.name}}) DEFAULT_VALUE() int32 {
  return {{o.values|first}}
}
func (self *{{o.name}}) IsValid() bool {
  return sort.SearchInts(_{{o.name}}_values, int(*self)) != -1
}
func {{o.name}}_GetNameByValue(value int) string {
	for name, num := range _{{o.name}}_map {
		if value == int(num) {
			return name
		}
	}
	return ""
}
func New{{o.name}}ByName(name string) ({{o.name}}, error) {
  if v, ok := _{{o.name}}_map[name]; ok == true {
    return v, nil
  }
  return 0, errors.Errorf("Wrong name of {{o.name}}: '%s'", name)
}
{% endmacro %}

{% macro enum_values_list(o) %}
{%- for v in o.values|sort ~%}
{{v}},
{%- endfor ~%}
{% endmacro %}

{% macro enum_values_map(o) %}
{%- for k,v in o.values ~%}
"{{k}}" : {{v}},
{%- endfor ~%}
{% endmacro %}

{% macro enum_consts(o) %}
{%- for k,v in o.values ~%}
{{o.name}}_{{k}} {{o.name}} = {{v}}
{%- endfor ~%}
{% endmacro %}

{% macro decl_rpc(o) %}
{% endmacro %}