fix: add involves edge from task to agent:nomos at creation

Plus sync vendor directory for Docker build compatibility.

vendor/github.com/santhosh-tekuri/jsonschema/v6/util.go

@@ -0,0 +1,464 @@
+package jsonschema
+
+import (
+	"encoding/json"
+	"fmt"
+	"hash/maphash"
+	"math/big"
+	gourl "net/url"
+	"path/filepath"
+	"runtime"
+	"slices"
+	"strconv"
+	"strings"
+
+	"github.com/santhosh-tekuri/jsonschema/v6/kind"
+	"golang.org/x/text/message"
+)
+
+// --
+
+type url (string)
+
+func (u url) String() string {
+	return string(u)
+}
+
+func (u url) join(ref string) (*urlFrag, error) {
+	base, err := gourl.Parse(string(u))
+	if err != nil {
+		return nil, &ParseURLError{URL: u.String(), Err: err}
+	}
+
+	ref, frag, err := splitFragment(ref)
+	if err != nil {
+		return nil, err
+	}
+	refURL, err := gourl.Parse(ref)
+	if err != nil {
+		return nil, &ParseURLError{URL: ref, Err: err}
+	}
+	resolved := base.ResolveReference(refURL)
+
+	// see https://github.com/golang/go/issues/66084 (net/url: ResolveReference ignores Opaque value)
+	if !refURL.IsAbs() && base.Opaque != "" {
+		resolved.Opaque = base.Opaque
+	}
+
+	return &urlFrag{url: url(resolved.String()), frag: frag}, nil
+}
+
+// --
+
+type jsonPointer string
+
+func escape(tok string) string {
+	tok = strings.ReplaceAll(tok, "~", "~0")
+	tok = strings.ReplaceAll(tok, "/", "~1")
+	return tok
+}
+
+func unescape(tok string) (string, bool) {
+	tilde := strings.IndexByte(tok, '~')
+	if tilde == -1 {
+		return tok, true
+	}
+	sb := new(strings.Builder)
+	for {
+		sb.WriteString(tok[:tilde])
+		tok = tok[tilde+1:]
+		if tok == "" {
+			return "", false
+		}
+		switch tok[0] {
+		case '0':
+			sb.WriteByte('~')
+		case '1':
+			sb.WriteByte('/')
+		default:
+			return "", false
+		}
+		tok = tok[1:]
+		tilde = strings.IndexByte(tok, '~')
+		if tilde == -1 {
+			sb.WriteString(tok)
+			break
+		}
+	}
+	return sb.String(), true
+}
+
+func (ptr jsonPointer) isEmpty() bool {
+	return string(ptr) == ""
+}
+
+func (ptr jsonPointer) concat(next jsonPointer) jsonPointer {
+	return jsonPointer(fmt.Sprintf("%s%s", ptr, next))
+}
+
+func (ptr jsonPointer) append(tok string) jsonPointer {
+	return jsonPointer(fmt.Sprintf("%s/%s", ptr, escape(tok)))
+}
+
+func (ptr jsonPointer) append2(tok1, tok2 string) jsonPointer {
+	return jsonPointer(fmt.Sprintf("%s/%s/%s", ptr, escape(tok1), escape(tok2)))
+}
+
+// --
+
+type anchor string
+
+// --
+
+type fragment string
+
+func decode(frag string) (string, error) {
+	return gourl.PathUnescape(frag)
+}
+
+// avoids escaping /.
+func encode(frag string) string {
+	var sb strings.Builder
+	for i, tok := range strings.Split(frag, "/") {
+		if i > 0 {
+			sb.WriteByte('/')
+		}
+		sb.WriteString(gourl.PathEscape(tok))
+	}
+	return sb.String()
+}
+
+func splitFragment(str string) (string, fragment, error) {
+	u, f := split(str)
+	f, err := decode(f)
+	if err != nil {
+		return "", fragment(""), &ParseURLError{URL: str, Err: err}
+	}
+	return u, fragment(f), nil
+}
+
+func split(str string) (string, string) {
+	hash := strings.IndexByte(str, '#')
+	if hash == -1 {
+		return str, ""
+	}
+	return str[:hash], str[hash+1:]
+}
+
+func (frag fragment) convert() any {
+	str := string(frag)
+	if str == "" || strings.HasPrefix(str, "/") {
+		return jsonPointer(str)
+	}
+	return anchor(str)
+}
+
+// --
+
+type urlFrag struct {
+	url  url
+	frag fragment
+}
+
+func startsWithWindowsDrive(s string) bool {
+	if s != "" && strings.HasPrefix(s[1:], `:\`) {
+		return (s[0] >= 'a' && s[0] <= 'z') || (s[0] >= 'A' && s[0] <= 'Z')
+	}
+	return false
+}
+
+func absolute(input string) (*urlFrag, error) {
+	u, frag, err := splitFragment(input)
+	if err != nil {
+		return nil, err
+	}
+
+	// if windows absolute file path, convert to file url
+	// because: net/url parses driver name as scheme
+	if runtime.GOOS == "windows" && startsWithWindowsDrive(u) {
+		u = "file:///" + filepath.ToSlash(u)
+	}
+
+	gourl, err := gourl.Parse(u)
+	if err != nil {
+		return nil, &ParseURLError{URL: input, Err: err}
+	}
+	if gourl.IsAbs() {
+		return &urlFrag{url(u), frag}, nil
+	}
+
+	// avoid filesystem api in wasm
+	if runtime.GOOS != "js" {
+		abs, err := filepath.Abs(u)
+		if err != nil {
+			return nil, &ParseURLError{URL: input, Err: err}
+		}
+		u = abs
+	}
+	if !strings.HasPrefix(u, "/") {
+		u = "/" + u
+	}
+	u = "file://" + filepath.ToSlash(u)
+
+	_, err = gourl.Parse(u)
+	if err != nil {
+		return nil, &ParseURLError{URL: input, Err: err}
+	}
+	return &urlFrag{url: url(u), frag: frag}, nil
+}
+
+func (uf *urlFrag) String() string {
+	return fmt.Sprintf("%s#%s", uf.url, encode(string(uf.frag)))
+}
+
+// --
+
+type urlPtr struct {
+	url url
+	ptr jsonPointer
+}
+
+func (up *urlPtr) lookup(v any) (any, error) {
+	for _, tok := range strings.Split(string(up.ptr), "/")[1:] {
+		tok, ok := unescape(tok)
+		if !ok {
+			return nil, &InvalidJsonPointerError{up.String()}
+		}
+		switch val := v.(type) {
+		case map[string]any:
+			if pvalue, ok := val[tok]; ok {
+				v = pvalue
+				continue
+			}
+		case []any:
+			if index, err := strconv.Atoi(tok); err == nil {
+				if index >= 0 && index < len(val) {
+					v = val[index]
+					continue
+				}
+			}
+		}
+		return nil, &JSONPointerNotFoundError{up.String()}
+	}
+	return v, nil
+}
+
+func (up *urlPtr) format(tok string) string {
+	return fmt.Sprintf("%s#%s/%s", up.url, encode(string(up.ptr)), encode(escape(tok)))
+}
+
+func (up *urlPtr) String() string {
+	return fmt.Sprintf("%s#%s", up.url, encode(string(up.ptr)))
+}
+
+// --
+
+func minInt(i, j int) int {
+	if i < j {
+		return i
+	}
+	return j
+}
+
+func strVal(obj map[string]any, prop string) (string, bool) {
+	v, ok := obj[prop]
+	if !ok {
+		return "", false
+	}
+	s, ok := v.(string)
+	return s, ok
+}
+
+func isInteger(num any) bool {
+	rat, ok := new(big.Rat).SetString(fmt.Sprint(num))
+	return ok && rat.IsInt()
+}
+
+// quote returns single-quoted string.
+// used for embedding quoted strings in json.
+func quote(s string) string {
+	s = fmt.Sprintf("%q", s)
+	s = strings.ReplaceAll(s, `\"`, `"`)
+	s = strings.ReplaceAll(s, `'`, `\'`)
+	return "'" + s[1:len(s)-1] + "'"
+}
+
+func equals(v1, v2 any) (bool, ErrorKind) {
+	switch v1 := v1.(type) {
+	case map[string]any:
+		v2, ok := v2.(map[string]any)
+		if !ok || len(v1) != len(v2) {
+			return false, nil
+		}
+		for k, val1 := range v1 {
+			val2, ok := v2[k]
+			if !ok {
+				return false, nil
+			}
+			if ok, k := equals(val1, val2); !ok || k != nil {
+				return ok, k
+			}
+		}
+		return true, nil
+	case []any:
+		v2, ok := v2.([]any)
+		if !ok || len(v1) != len(v2) {
+			return false, nil
+		}
+		for i := range v1 {
+			if ok, k := equals(v1[i], v2[i]); !ok || k != nil {
+				return ok, k
+			}
+		}
+		return true, nil
+	case nil:
+		return v2 == nil, nil
+	case bool:
+		v2, ok := v2.(bool)
+		return ok && v1 == v2, nil
+	case string:
+		v2, ok := v2.(string)
+		return ok && v1 == v2, nil
+	case json.Number, float32, float64, int, int8, int16, int32, int64, uint, uint8, uint16, uint32, uint64:
+		num1, ok1 := new(big.Rat).SetString(fmt.Sprint(v1))
+		num2, ok2 := new(big.Rat).SetString(fmt.Sprint(v2))
+		return ok1 && ok2 && num1.Cmp(num2) == 0, nil
+	default:
+		return false, &kind.InvalidJsonValue{Value: v1}
+	}
+}
+
+func duplicates(arr []any) (int, int, ErrorKind) {
+	if len(arr) <= 20 {
+		for i := 1; i < len(arr); i++ {
+			for j := 0; j < i; j++ {
+				if ok, k := equals(arr[i], arr[j]); ok || k != nil {
+					return j, i, k
+				}
+			}
+		}
+		return -1, -1, nil
+	}
+
+	m := make(map[uint64][]int)
+	h := new(maphash.Hash)
+	for i, item := range arr {
+		h.Reset()
+		writeHash(item, h)
+		hash := h.Sum64()
+		indexes, ok := m[hash]
+		if ok {
+			for _, j := range indexes {
+				if ok, k := equals(item, arr[j]); ok || k != nil {
+					return j, i, k
+				}
+			}
+		}
+		indexes = append(indexes, i)
+		m[hash] = indexes
+	}
+	return -1, -1, nil
+}
+
+func writeHash(v any, h *maphash.Hash) ErrorKind {
+	switch v := v.(type) {
+	case map[string]any:
+		_ = h.WriteByte(0)
+		props := make([]string, 0, len(v))
+		for prop := range v {
+			props = append(props, prop)
+		}
+		slices.Sort(props)
+		for _, prop := range props {
+			writeHash(prop, h)
+			writeHash(v[prop], h)
+		}
+	case []any:
+		_ = h.WriteByte(1)
+		for _, item := range v {
+			writeHash(item, h)
+		}
+	case nil:
+		_ = h.WriteByte(2)
+	case bool:
+		_ = h.WriteByte(3)
+		if v {
+			_ = h.WriteByte(1)
+		} else {
+			_ = h.WriteByte(0)
+		}
+	case string:
+		_ = h.WriteByte(4)
+		_, _ = h.WriteString(v)
+	case json.Number, float32, float64, int, int8, int16, int32, int64, uint, uint8, uint16, uint32, uint64:
+		_ = h.WriteByte(5)
+		num, _ := new(big.Rat).SetString(fmt.Sprint(v))
+		_, _ = h.Write(num.Num().Bytes())
+		_, _ = h.Write(num.Denom().Bytes())
+	default:
+		return &kind.InvalidJsonValue{Value: v}
+	}
+	return nil
+}
+
+// --
+
+type ParseURLError struct {
+	URL string
+	Err error
+}
+
+func (e *ParseURLError) Error() string {
+	return fmt.Sprintf("error in parsing %q: %v", e.URL, e.Err)
+}
+
+// --
+
+type InvalidJsonPointerError struct {
+	URL string
+}
+
+func (e *InvalidJsonPointerError) Error() string {
+	return fmt.Sprintf("invalid json-pointer %q", e.URL)
+}
+
+// --
+
+type JSONPointerNotFoundError struct {
+	URL string
+}
+
+func (e *JSONPointerNotFoundError) Error() string {
+	return fmt.Sprintf("json-pointer in %q not found", e.URL)
+}
+
+// --
+
+type SchemaValidationError struct {
+	URL string
+	Err error
+}
+
+func (e *SchemaValidationError) Error() string {
+	return fmt.Sprintf("%q is not valid against metaschema: %v", e.URL, e.Err)
+}
+
+// --
+
+// LocalizableError is an error whose message is localizable.
+func LocalizableError(format string, args ...any) error {
+	return &localizableError{format, args}
+}
+
+type localizableError struct {
+	msg  string
+	args []any
+}
+
+func (e *localizableError) Error() string {
+	return fmt.Sprintf(e.msg, e.args...)
+}
+
+func (e *localizableError) LocalizedError(p *message.Printer) string {
+	return p.Sprintf(e.msg, e.args...)
+}