gno.land/r/akkadia/beta/definition⧉

1package definition23import (4	"strconv"5	"strings"6	"unicode"7	"unicode/utf8"8)910func assertIdentifier(value, name string, limit int) {11	if strings.TrimSpace(value) == "" {12		panic(name + " is required")13	}14	if len(value) > limit {15		panic(name + " bytes exceeds " + strconv.Itoa(limit))16	}17	if !utf8.ValidString(value) {18		panic("invalid " + name)19	}20	for _, r := range value {21		if unicode.IsControl(r) {22			panic("invalid " + name)23		}24	}25}2627func assertFields(fields []Field) int {28	if len(fields) < 1 || len(fields) > 32 {29		panic("field count must be between 1 and 32")30	}31	size := 032	for i, field := range fields {33		assertIdentifier(field.Key, "field key", 128)34		if !utf8.ValidString(field.Value) {35			panic("invalid field value")36		}37		for j := 0; j < i; j++ {38			if fields[j].Key == field.Key {39				panic("duplicate field key")40			}41		}42		size += len(field.Key) + len(field.Value)43		if size > 16384 {44			panic("entry bytes exceeds 16384")45		}46	}47	return size48}4950func assertBatchCount(count int) {51	if count < 1 || count > 100 {52		panic("batch count must be between 1 and 100")53	}54}5556func assertPage(page, count int) {57	if page < 1 {58		panic("page must be positive")59	}60	if count < 1 || count > 50 {61		panic("count must be between 1 and 50")62	}63}64