111 lines
2.2 KiB
Odin
111 lines
2.2 KiB
Odin
package mustache
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import "base:runtime"
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import "core:mem"
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import "core:reflect"
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import "core:strings"
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import "core:log"
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import "core:fmt"
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decode :: proc( v: any, key: string ) -> any {
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if key == "." do return v
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v := reflect.any_base(v)
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ti := type_info_of(v.id)
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#partial switch i in runtime.type_info_base(ti).variant {
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case runtime.Type_Info_Enumerated_Array:
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return decode(any{v.data, ti.id}, key)
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case runtime.Type_Info_Union:
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return decode(any{v.data, reflect.union_variant_typeid(v) }, key)
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case runtime.Type_Info_Struct:
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newkey, err := strings.split_after_n(key, ".", 2)
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if err != nil {
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return nil
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}
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defer delete(newkey)
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newkey_0 := newkey[0]
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newkey_1 := "."
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if len(newkey) == 2 {
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newkey_0 = newkey[0][:len(newkey[0])-1]
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newkey_1 = newkey[1]
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}
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return decode( reflect.struct_field_value_by_name(v, newkey_0), newkey_1 )
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case runtime.Type_Info_Map:
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newkey, err := strings.split_after_n(key, ".", 2)
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if err!= nil {
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return nil
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}
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defer delete(newkey)
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newkey_0 := newkey[0]
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newkey_1 := "."
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if len(newkey) == 2 {
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newkey_0 = newkey[0][:len(newkey[0])-1]
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newkey_1 = newkey[1]
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}
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m := (^mem.Raw_Map)(v.data)
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ks, vs, _, _, _ := runtime.map_kvh_data_dynamic(m^, i.map_info)
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for j in 0..<runtime.map_cap(m^) {
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key_data := runtime.map_cell_index_dynamic(ks, i.map_info.ks, uintptr(j))
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ky, ok := reflect.as_string(any{rawptr(key_data), i.key.id})
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if !ok {
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return nil
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}
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if ky == newkey_0 {
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t := any{rawptr(runtime.map_cell_index_dynamic(vs, i.map_info.vs, uintptr(j))), i.value.id}
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return decode(t, newkey_1 )
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}
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}
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return ""
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}
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return ""
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}
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decode_string :: proc( v: any, key: string ) -> string {
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return fmt.tprintf("%v", decode(v, key))
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}
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section :: proc( r: ^strings.Reader, v: any, key: string ) -> string {
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save := r.i
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t := reflect.any_base(decode(v, key))
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ti := type_info_of(t.id)
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ret : string= ""
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#partial switch i in runtime.type_info_base(ti).variant {
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case runtime.Type_Info_Slice:
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for i in 0..<reflect.length(t) {
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elem :=reflect.index(t, i);
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strings.reader_seek(r, save, .Start)
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tmp := mustache(r, elem, key)
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defer delete(tmp)
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ret = strings.concatenate({ret, tmp})
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}
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}
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return ret
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}
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