json: omitempty
parent
5bc6cc9512
commit
d00808660f
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@ -366,3 +366,17 @@ fn test_pretty() {
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"name": "Bob"
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}'
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}
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struct Foo3 {
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name string
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age int [omitempty]
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}
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fn test_omit_empty() {
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foo := Foo3{'Bob', 0}
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assert json.encode_pretty(foo) == '{
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"name": "Bob"
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}'
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// println('omitempty:')
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// println(json.encode_pretty(foo))
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}
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@ -117,6 +117,8 @@ fn (mut g Gen) gen_struct_enc_dec(type_info ast.TypeInfo, styp string, mut enc s
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mut is_raw := false
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mut is_skip := false
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mut is_required := false
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mut is_omit_empty := false
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for attr in field.attrs {
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match attr.name {
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'json' {
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@ -131,6 +133,9 @@ fn (mut g Gen) gen_struct_enc_dec(type_info ast.TypeInfo, styp string, mut enc s
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'required' {
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is_required = true
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}
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'omitempty' {
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is_omit_empty = true
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}
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else {}
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}
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}
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@ -184,6 +189,9 @@ fn (mut g Gen) gen_struct_enc_dec(type_info ast.TypeInfo, styp string, mut enc s
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}
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// Encoding
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mut enc_name := js_enc_name(field_type)
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if is_omit_empty {
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enc.writeln('\t if (val.${c_name(field.name)} != ${g.type_default(field.typ)}) \n')
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}
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if !is_js_prim(field_type) {
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if field_sym.kind == .alias {
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ainfo := field_sym.info as ast.Alias
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