seba-365 - implemented dep
Change-Id: Ia6226d50e7615935a0c8876809a687427ff88c22
diff --git a/vendor/github.com/mongodb/mongo-go-driver/x/bsonx/bsoncore/value.go b/vendor/github.com/mongodb/mongo-go-driver/x/bsonx/bsoncore/value.go
new file mode 100644
index 0000000..f0593d2
--- /dev/null
+++ b/vendor/github.com/mongodb/mongo-go-driver/x/bsonx/bsoncore/value.go
@@ -0,0 +1,901 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsoncore
+
+import (
+ "bytes"
+ "encoding/base64"
+ "fmt"
+ "math"
+ "sort"
+ "strconv"
+ "strings"
+ "time"
+ "unicode/utf8"
+
+ "github.com/mongodb/mongo-go-driver/bson/bsontype"
+ "github.com/mongodb/mongo-go-driver/bson/primitive"
+)
+
+// ElementTypeError specifies that a method to obtain a BSON value an incorrect type was called on a bson.Value.
+type ElementTypeError struct {
+ Method string
+ Type bsontype.Type
+}
+
+// Error implements the error interface.
+func (ete ElementTypeError) Error() string {
+ return "Call of " + ete.Method + " on " + ete.Type.String() + " type"
+}
+
+// Value represents a BSON value with a type and raw bytes.
+type Value struct {
+ Type bsontype.Type
+ Data []byte
+}
+
+// Validate ensures the value is a valid BSON value.
+func (v Value) Validate() error {
+ _, _, valid := readValue(v.Data, v.Type)
+ if !valid {
+ return NewInsufficientBytesError(v.Data, v.Data)
+ }
+ return nil
+}
+
+// IsNumber returns true if the type of v is a numeric BSON type.
+func (v Value) IsNumber() bool {
+ switch v.Type {
+ case bsontype.Double, bsontype.Int32, bsontype.Int64, bsontype.Decimal128:
+ return true
+ default:
+ return false
+ }
+}
+
+// AsInt32 returns a BSON number as an int32. If the BSON type is not a numeric one, this method
+// will panic.
+//
+// TODO(skriptble): Add support for Decimal128.
+func (v Value) AsInt32() int32 { return 0 }
+
+// AsInt32OK functions the same as AsInt32 but returns a boolean instead of panicking. False
+// indicates an error.
+//
+// TODO(skriptble): Add support for Decimal128.
+func (v Value) AsInt32OK() (int32, bool) { return 0, false }
+
+// AsInt64 returns a BSON number as an int64. If the BSON type is not a numeric one, this method
+// will panic.
+//
+// TODO(skriptble): Add support for Decimal128.
+func (v Value) AsInt64() int64 { return 0 }
+
+// AsInt64OK functions the same as AsInt64 but returns a boolean instead of panicking. False
+// indicates an error.
+//
+// TODO(skriptble): Add support for Decimal128.
+func (v Value) AsInt64OK() (int64, bool) { return 0, false }
+
+// AsFloat64 returns a BSON number as an float64. If the BSON type is not a numeric one, this method
+// will panic.
+//
+// TODO(skriptble): Add support for Decimal128.
+func (v Value) AsFloat64() float64 { return 0 }
+
+// AsFloat64OK functions the same as AsFloat64 but returns a boolean instead of panicking. False
+// indicates an error.
+//
+// TODO(skriptble): Add support for Decimal128.
+func (v Value) AsFloat64OK() (float64, bool) { return 0, false }
+
+// Add will add this value to another. This is currently only implemented for strings and numbers.
+// If either value is a string, the other type is coerced into a string and added to the other.
+//
+// This method will alter v and will attempt to reuse the []byte of v. If the []byte is too small,
+// it will be expanded.
+func (v *Value) Add(v2 Value) error { return nil }
+
+// Equal compaes v to v2 and returns true if they are equal.
+func (v Value) Equal(v2 Value) bool {
+ if v.Type != v2.Type {
+ return false
+ }
+
+ return bytes.Equal(v.Data, v2.Data)
+}
+
+// String implements the fmt.String interface. This method will return values in extended JSON
+// format. If the value is not valid, this returns an empty string
+func (v Value) String() string {
+ switch v.Type {
+ case bsontype.Double:
+ f64, ok := v.DoubleOK()
+ if !ok {
+ return ""
+ }
+ return fmt.Sprintf(`{"$numberDouble":"%s"}`, formatDouble(f64))
+ case bsontype.String:
+ str, ok := v.StringValueOK()
+ if !ok {
+ return ""
+ }
+ return escapeString(str)
+ case bsontype.EmbeddedDocument:
+ doc, ok := v.DocumentOK()
+ if !ok {
+ return ""
+ }
+ return doc.String()
+ case bsontype.Array:
+ arr, ok := v.ArrayOK()
+ if !ok {
+ return ""
+ }
+ return docAsArray(arr, false)
+ case bsontype.Binary:
+ subtype, data, ok := v.BinaryOK()
+ if !ok {
+ return ""
+ }
+ return fmt.Sprintf(`{"$binary":{"base64":"%s","subType":"%02x"}}`, base64.StdEncoding.EncodeToString(data), subtype)
+ case bsontype.Undefined:
+ return `{"$undefined":true}`
+ case bsontype.ObjectID:
+ oid, ok := v.ObjectIDOK()
+ if !ok {
+ return ""
+ }
+ return fmt.Sprintf(`{"$oid":%s}`, oid.Hex())
+ case bsontype.Boolean:
+ b, ok := v.BooleanOK()
+ if !ok {
+ return ""
+ }
+ return strconv.FormatBool(b)
+ case bsontype.DateTime:
+ dt, ok := v.DateTimeOK()
+ if !ok {
+ return ""
+ }
+ return fmt.Sprintf(`{"$date":{"$numberLong":"%d"}}`, dt)
+ case bsontype.Null:
+ return "null"
+ case bsontype.Regex:
+ pattern, options, ok := v.RegexOK()
+ if !ok {
+ return ""
+ }
+ return fmt.Sprintf(
+ `{"$regularExpression":{"pattern":%s,"options":"%s"}}`,
+ escapeString(pattern), sortStringAlphebeticAscending(options),
+ )
+ case bsontype.DBPointer:
+ ns, pointer, ok := v.DBPointerOK()
+ if !ok {
+ return ""
+ }
+ return fmt.Sprintf(`{"$dbPointer":{"$ref":%s,"$id":{"$oid":"%s"}}}`, escapeString(ns), pointer.Hex())
+ case bsontype.JavaScript:
+ js, ok := v.JavaScriptOK()
+ if !ok {
+ return ""
+ }
+ return fmt.Sprintf(`{"$code":%s}`, escapeString(js))
+ case bsontype.Symbol:
+ symbol, ok := v.SymbolOK()
+ if !ok {
+ return ""
+ }
+ return fmt.Sprintf(`{"$symbol":%s}`, escapeString(symbol))
+ case bsontype.CodeWithScope:
+ code, scope, ok := v.CodeWithScopeOK()
+ if !ok {
+ return ""
+ }
+ return fmt.Sprintf(`{"$code":%s,"$scope":%s}`, code, scope)
+ case bsontype.Int32:
+ i32, ok := v.Int32OK()
+ if !ok {
+ return ""
+ }
+ return fmt.Sprintf(`{"$numberInt":"%d"}`, i32)
+ case bsontype.Timestamp:
+ t, i, ok := v.TimestampOK()
+ if !ok {
+ return ""
+ }
+ return fmt.Sprintf(`{"$timestamp":{"t":"%s","i":"%s"}}`, strconv.FormatUint(uint64(t), 10), strconv.FormatUint(uint64(i), 10))
+ case bsontype.Int64:
+ i64, ok := v.Int64OK()
+ if !ok {
+ return ""
+ }
+ return fmt.Sprintf(`{"$numberLong":"%d"}`, i64)
+ case bsontype.Decimal128:
+ d128, ok := v.Decimal128OK()
+ if !ok {
+ return ""
+ }
+ return fmt.Sprintf(`{"$numberDecimal":"%s"}`, d128.String())
+ case bsontype.MinKey:
+ return `{"$minKey":1}`
+ case bsontype.MaxKey:
+ return `{"$maxKey":1}`
+ default:
+ return ""
+ }
+}
+
+// DebugString outputs a human readable version of Document. It will attempt to stringify the
+// valid components of the document even if the entire document is not valid.
+func (v Value) DebugString() string {
+ switch v.Type {
+ case bsontype.String:
+ str, ok := v.StringValueOK()
+ if !ok {
+ return "<malformed>"
+ }
+ return escapeString(str)
+ case bsontype.EmbeddedDocument:
+ doc, ok := v.DocumentOK()
+ if !ok {
+ return "<malformed>"
+ }
+ return doc.DebugString()
+ case bsontype.Array:
+ arr, ok := v.ArrayOK()
+ if !ok {
+ return "<malformed>"
+ }
+ return docAsArray(arr, true)
+ case bsontype.CodeWithScope:
+ code, scope, ok := v.CodeWithScopeOK()
+ if !ok {
+ return ""
+ }
+ return fmt.Sprintf(`{"$code":%s,"$scope":%s}`, code, scope.DebugString())
+ default:
+ str := v.String()
+ if str == "" {
+ return "<malformed>"
+ }
+ return str
+ }
+}
+
+// Double returns the float64 value for this element.
+// It panics if e's BSON type is not bsontype.Double.
+func (v Value) Double() float64 {
+ if v.Type != bsontype.Double {
+ panic(ElementTypeError{"bsoncore.Value.Double", v.Type})
+ }
+ f64, _, ok := ReadDouble(v.Data)
+ if !ok {
+ panic(NewInsufficientBytesError(v.Data, v.Data))
+ }
+ return f64
+}
+
+// DoubleOK is the same as Double, but returns a boolean instead of panicking.
+func (v Value) DoubleOK() (float64, bool) {
+ if v.Type != bsontype.Double {
+ return 0, false
+ }
+ f64, _, ok := ReadDouble(v.Data)
+ if !ok {
+ return 0, false
+ }
+ return f64, true
+}
+
+// StringValue returns the string balue for this element.
+// It panics if e's BSON type is not bsontype.String.
+//
+// NOTE: This method is called StringValue to avoid a collision with the String method which
+// implements the fmt.Stringer interface.
+func (v Value) StringValue() string {
+ if v.Type != bsontype.String {
+ panic(ElementTypeError{"bsoncore.Value.StringValue", v.Type})
+ }
+ str, _, ok := ReadString(v.Data)
+ if !ok {
+ panic(NewInsufficientBytesError(v.Data, v.Data))
+ }
+ return str
+}
+
+// StringValueOK is the same as StringValue, but returns a boolean instead of
+// panicking.
+func (v Value) StringValueOK() (string, bool) {
+ if v.Type != bsontype.String {
+ return "", false
+ }
+ str, _, ok := ReadString(v.Data)
+ if !ok {
+ return "", false
+ }
+ return str, true
+}
+
+// Document returns the BSON document the Value represents as a Document. It panics if the
+// value is a BSON type other than document.
+func (v Value) Document() Document {
+ if v.Type != bsontype.EmbeddedDocument {
+ panic(ElementTypeError{"bsoncore.Value.Document", v.Type})
+ }
+ doc, _, ok := ReadDocument(v.Data)
+ if !ok {
+ panic(NewInsufficientBytesError(v.Data, v.Data))
+ }
+ return doc
+}
+
+// DocumentOK is the same as Document, except it returns a boolean
+// instead of panicking.
+func (v Value) DocumentOK() (Document, bool) {
+ if v.Type != bsontype.EmbeddedDocument {
+ return nil, false
+ }
+ doc, _, ok := ReadDocument(v.Data)
+ if !ok {
+ return nil, false
+ }
+ return doc, true
+}
+
+// Array returns the BSON array the Value represents as an Array. It panics if the
+// value is a BSON type other than array.
+func (v Value) Array() Document {
+ if v.Type != bsontype.Array {
+ panic(ElementTypeError{"bsoncore.Value.Array", v.Type})
+ }
+ arr, _, ok := ReadArray(v.Data)
+ if !ok {
+ panic(NewInsufficientBytesError(v.Data, v.Data))
+ }
+ return arr
+}
+
+// ArrayOK is the same as Array, except it returns a boolean instead
+// of panicking.
+func (v Value) ArrayOK() (Document, bool) {
+ if v.Type != bsontype.Array {
+ return nil, false
+ }
+ arr, _, ok := ReadArray(v.Data)
+ if !ok {
+ return nil, false
+ }
+ return arr, true
+}
+
+// Binary returns the BSON binary value the Value represents. It panics if the value is a BSON type
+// other than binary.
+func (v Value) Binary() (subtype byte, data []byte) {
+ if v.Type != bsontype.Binary {
+ panic(ElementTypeError{"bsoncore.Value.Binary", v.Type})
+ }
+ subtype, data, _, ok := ReadBinary(v.Data)
+ if !ok {
+ panic(NewInsufficientBytesError(v.Data, v.Data))
+ }
+ return subtype, data
+}
+
+// BinaryOK is the same as Binary, except it returns a boolean instead of
+// panicking.
+func (v Value) BinaryOK() (subtype byte, data []byte, ok bool) {
+ if v.Type != bsontype.Binary {
+ return 0x00, nil, false
+ }
+ subtype, data, _, ok = ReadBinary(v.Data)
+ if !ok {
+ return 0x00, nil, false
+ }
+ return subtype, data, true
+}
+
+// ObjectID returns the BSON objectid value the Value represents. It panics if the value is a BSON
+// type other than objectid.
+func (v Value) ObjectID() primitive.ObjectID {
+ if v.Type != bsontype.ObjectID {
+ panic(ElementTypeError{"bsoncore.Value.ObjectID", v.Type})
+ }
+ oid, _, ok := ReadObjectID(v.Data)
+ if !ok {
+ panic(NewInsufficientBytesError(v.Data, v.Data))
+ }
+ return oid
+}
+
+// ObjectIDOK is the same as ObjectID, except it returns a boolean instead of
+// panicking.
+func (v Value) ObjectIDOK() (primitive.ObjectID, bool) {
+ if v.Type != bsontype.ObjectID {
+ return primitive.ObjectID{}, false
+ }
+ oid, _, ok := ReadObjectID(v.Data)
+ if !ok {
+ return primitive.ObjectID{}, false
+ }
+ return oid, true
+}
+
+// Boolean returns the boolean value the Value represents. It panics if the
+// value is a BSON type other than boolean.
+func (v Value) Boolean() bool {
+ if v.Type != bsontype.Boolean {
+ panic(ElementTypeError{"bsoncore.Value.Boolean", v.Type})
+ }
+ b, _, ok := ReadBoolean(v.Data)
+ if !ok {
+ panic(NewInsufficientBytesError(v.Data, v.Data))
+ }
+ return b
+}
+
+// BooleanOK is the same as Boolean, except it returns a boolean instead of
+// panicking.
+func (v Value) BooleanOK() (bool, bool) {
+ if v.Type != bsontype.Boolean {
+ return false, false
+ }
+ b, _, ok := ReadBoolean(v.Data)
+ if !ok {
+ return false, false
+ }
+ return b, true
+}
+
+// DateTime returns the BSON datetime value the Value represents as a
+// unix timestamp. It panics if the value is a BSON type other than datetime.
+func (v Value) DateTime() int64 {
+ if v.Type != bsontype.DateTime {
+ panic(ElementTypeError{"bsoncore.Value.DateTime", v.Type})
+ }
+ dt, _, ok := ReadDateTime(v.Data)
+ if !ok {
+ panic(NewInsufficientBytesError(v.Data, v.Data))
+ }
+ return dt
+}
+
+// DateTimeOK is the same as DateTime, except it returns a boolean instead of
+// panicking.
+func (v Value) DateTimeOK() (int64, bool) {
+ if v.Type != bsontype.DateTime {
+ return 0, false
+ }
+ dt, _, ok := ReadDateTime(v.Data)
+ if !ok {
+ return 0, false
+ }
+ return dt, true
+}
+
+// Time returns the BSON datetime value the Value represents. It panics if the value is a BSON
+// type other than datetime.
+func (v Value) Time() time.Time {
+ if v.Type != bsontype.DateTime {
+ panic(ElementTypeError{"bsoncore.Value.Time", v.Type})
+ }
+ dt, _, ok := ReadDateTime(v.Data)
+ if !ok {
+ panic(NewInsufficientBytesError(v.Data, v.Data))
+ }
+ return time.Unix(int64(dt)/1000, int64(dt)%1000*1000000)
+}
+
+// TimeOK is the same as Time, except it returns a boolean instead of
+// panicking.
+func (v Value) TimeOK() (time.Time, bool) {
+ if v.Type != bsontype.DateTime {
+ return time.Time{}, false
+ }
+ dt, _, ok := ReadDateTime(v.Data)
+ if !ok {
+ return time.Time{}, false
+ }
+ return time.Unix(int64(dt)/1000, int64(dt)%1000*1000000), true
+}
+
+// Regex returns the BSON regex value the Value represents. It panics if the value is a BSON
+// type other than regex.
+func (v Value) Regex() (pattern, options string) {
+ if v.Type != bsontype.Regex {
+ panic(ElementTypeError{"bsoncore.Value.Regex", v.Type})
+ }
+ pattern, options, _, ok := ReadRegex(v.Data)
+ if !ok {
+ panic(NewInsufficientBytesError(v.Data, v.Data))
+ }
+ return pattern, options
+}
+
+// RegexOK is the same as Regex, except it returns a boolean instead of
+// panicking.
+func (v Value) RegexOK() (pattern, options string, ok bool) {
+ if v.Type != bsontype.Regex {
+ return "", "", false
+ }
+ pattern, options, _, ok = ReadRegex(v.Data)
+ if !ok {
+ return "", "", false
+ }
+ return pattern, options, true
+}
+
+// DBPointer returns the BSON dbpointer value the Value represents. It panics if the value is a BSON
+// type other than DBPointer.
+func (v Value) DBPointer() (string, primitive.ObjectID) {
+ if v.Type != bsontype.DBPointer {
+ panic(ElementTypeError{"bsoncore.Value.DBPointer", v.Type})
+ }
+ ns, pointer, _, ok := ReadDBPointer(v.Data)
+ if !ok {
+ panic(NewInsufficientBytesError(v.Data, v.Data))
+ }
+ return ns, pointer
+}
+
+// DBPointerOK is the same as DBPoitner, except that it returns a boolean
+// instead of panicking.
+func (v Value) DBPointerOK() (string, primitive.ObjectID, bool) {
+ if v.Type != bsontype.DBPointer {
+ return "", primitive.ObjectID{}, false
+ }
+ ns, pointer, _, ok := ReadDBPointer(v.Data)
+ if !ok {
+ return "", primitive.ObjectID{}, false
+ }
+ return ns, pointer, true
+}
+
+// JavaScript returns the BSON JavaScript code value the Value represents. It panics if the value is
+// a BSON type other than JavaScript code.
+func (v Value) JavaScript() string {
+ if v.Type != bsontype.JavaScript {
+ panic(ElementTypeError{"bsoncore.Value.JavaScript", v.Type})
+ }
+ js, _, ok := ReadJavaScript(v.Data)
+ if !ok {
+ panic(NewInsufficientBytesError(v.Data, v.Data))
+ }
+ return js
+}
+
+// JavaScriptOK is the same as Javascript, excepti that it returns a boolean
+// instead of panicking.
+func (v Value) JavaScriptOK() (string, bool) {
+ if v.Type != bsontype.JavaScript {
+ return "", false
+ }
+ js, _, ok := ReadJavaScript(v.Data)
+ if !ok {
+ return "", false
+ }
+ return js, true
+}
+
+// Symbol returns the BSON symbol value the Value represents. It panics if the value is a BSON
+// type other than symbol.
+func (v Value) Symbol() string {
+ if v.Type != bsontype.Symbol {
+ panic(ElementTypeError{"bsoncore.Value.Symbol", v.Type})
+ }
+ symbol, _, ok := ReadSymbol(v.Data)
+ if !ok {
+ panic(NewInsufficientBytesError(v.Data, v.Data))
+ }
+ return symbol
+}
+
+// SymbolOK is the same as Symbol, excepti that it returns a boolean
+// instead of panicking.
+func (v Value) SymbolOK() (string, bool) {
+ if v.Type != bsontype.Symbol {
+ return "", false
+ }
+ symbol, _, ok := ReadSymbol(v.Data)
+ if !ok {
+ return "", false
+ }
+ return symbol, true
+}
+
+// CodeWithScope returns the BSON JavaScript code with scope the Value represents.
+// It panics if the value is a BSON type other than JavaScript code with scope.
+func (v Value) CodeWithScope() (string, Document) {
+ if v.Type != bsontype.CodeWithScope {
+ panic(ElementTypeError{"bsoncore.Value.CodeWithScope", v.Type})
+ }
+ code, scope, _, ok := ReadCodeWithScope(v.Data)
+ if !ok {
+ panic(NewInsufficientBytesError(v.Data, v.Data))
+ }
+ return code, scope
+}
+
+// CodeWithScopeOK is the same as CodeWithScope, except that it returns a boolean instead of
+// panicking.
+func (v Value) CodeWithScopeOK() (string, Document, bool) {
+ if v.Type != bsontype.CodeWithScope {
+ return "", nil, false
+ }
+ code, scope, _, ok := ReadCodeWithScope(v.Data)
+ if !ok {
+ return "", nil, false
+ }
+ return code, scope, true
+}
+
+// Int32 returns the int32 the Value represents. It panics if the value is a BSON type other than
+// int32.
+func (v Value) Int32() int32 {
+ if v.Type != bsontype.Int32 {
+ panic(ElementTypeError{"bsoncore.Value.Int32", v.Type})
+ }
+ i32, _, ok := ReadInt32(v.Data)
+ if !ok {
+ panic(NewInsufficientBytesError(v.Data, v.Data))
+ }
+ return i32
+}
+
+// Int32OK is the same as Int32, except that it returns a boolean instead of
+// panicking.
+func (v Value) Int32OK() (int32, bool) {
+ if v.Type != bsontype.Int32 {
+ return 0, false
+ }
+ i32, _, ok := ReadInt32(v.Data)
+ if !ok {
+ return 0, false
+ }
+ return i32, true
+}
+
+// Timestamp returns the BSON timestamp value the Value represents. It panics if the value is a
+// BSON type other than timestamp.
+func (v Value) Timestamp() (t, i uint32) {
+ if v.Type != bsontype.Timestamp {
+ panic(ElementTypeError{"bsoncore.Value.Timestamp", v.Type})
+ }
+ t, i, _, ok := ReadTimestamp(v.Data)
+ if !ok {
+ panic(NewInsufficientBytesError(v.Data, v.Data))
+ }
+ return t, i
+}
+
+// TimestampOK is the same as Timestamp, except that it returns a boolean
+// instead of panicking.
+func (v Value) TimestampOK() (t, i uint32, ok bool) {
+ if v.Type != bsontype.Timestamp {
+ return 0, 0, false
+ }
+ t, i, _, ok = ReadTimestamp(v.Data)
+ if !ok {
+ return 0, 0, false
+ }
+ return t, i, true
+}
+
+// Int64 returns the int64 the Value represents. It panics if the value is a BSON type other than
+// int64.
+func (v Value) Int64() int64 {
+ if v.Type != bsontype.Int64 {
+ panic(ElementTypeError{"bsoncore.Value.Int64", v.Type})
+ }
+ i64, _, ok := ReadInt64(v.Data)
+ if !ok {
+ panic(NewInsufficientBytesError(v.Data, v.Data))
+ }
+ return i64
+}
+
+// Int64OK is the same as Int64, except that it returns a boolean instead of
+// panicking.
+func (v Value) Int64OK() (int64, bool) {
+ if v.Type != bsontype.Int64 {
+ return 0, false
+ }
+ i64, _, ok := ReadInt64(v.Data)
+ if !ok {
+ return 0, false
+ }
+ return i64, true
+}
+
+// Decimal128 returns the decimal the Value represents. It panics if the value is a BSON type other than
+// decimal.
+func (v Value) Decimal128() primitive.Decimal128 {
+ if v.Type != bsontype.Decimal128 {
+ panic(ElementTypeError{"bsoncore.Value.Decimal128", v.Type})
+ }
+ d128, _, ok := ReadDecimal128(v.Data)
+ if !ok {
+ panic(NewInsufficientBytesError(v.Data, v.Data))
+ }
+ return d128
+}
+
+// Decimal128OK is the same as Decimal128, except that it returns a boolean
+// instead of panicking.
+func (v Value) Decimal128OK() (primitive.Decimal128, bool) {
+ if v.Type != bsontype.Decimal128 {
+ return primitive.Decimal128{}, false
+ }
+ d128, _, ok := ReadDecimal128(v.Data)
+ if !ok {
+ return primitive.Decimal128{}, false
+ }
+ return d128, true
+}
+
+var hexChars = "0123456789abcdef"
+
+func escapeString(s string) string {
+ escapeHTML := true
+ var buf bytes.Buffer
+ buf.WriteByte('"')
+ start := 0
+ for i := 0; i < len(s); {
+ if b := s[i]; b < utf8.RuneSelf {
+ if htmlSafeSet[b] || (!escapeHTML && safeSet[b]) {
+ i++
+ continue
+ }
+ if start < i {
+ buf.WriteString(s[start:i])
+ }
+ switch b {
+ case '\\', '"':
+ buf.WriteByte('\\')
+ buf.WriteByte(b)
+ case '\n':
+ buf.WriteByte('\\')
+ buf.WriteByte('n')
+ case '\r':
+ buf.WriteByte('\\')
+ buf.WriteByte('r')
+ case '\t':
+ buf.WriteByte('\\')
+ buf.WriteByte('t')
+ case '\b':
+ buf.WriteByte('\\')
+ buf.WriteByte('b')
+ case '\f':
+ buf.WriteByte('\\')
+ buf.WriteByte('f')
+ default:
+ // This encodes bytes < 0x20 except for \t, \n and \r.
+ // If escapeHTML is set, it also escapes <, >, and &
+ // because they can lead to security holes when
+ // user-controlled strings are rendered into JSON
+ // and served to some browsers.
+ buf.WriteString(`\u00`)
+ buf.WriteByte(hexChars[b>>4])
+ buf.WriteByte(hexChars[b&0xF])
+ }
+ i++
+ start = i
+ continue
+ }
+ c, size := utf8.DecodeRuneInString(s[i:])
+ if c == utf8.RuneError && size == 1 {
+ if start < i {
+ buf.WriteString(s[start:i])
+ }
+ buf.WriteString(`\ufffd`)
+ i += size
+ start = i
+ continue
+ }
+ // U+2028 is LINE SEPARATOR.
+ // U+2029 is PARAGRAPH SEPARATOR.
+ // They are both technically valid characters in JSON strings,
+ // but don't work in JSONP, which has to be evaluated as JavaScript,
+ // and can lead to security holes there. It is valid JSON to
+ // escape them, so we do so unconditionally.
+ // See http://timelessrepo.com/json-isnt-a-javascript-subset for discussion.
+ if c == '\u2028' || c == '\u2029' {
+ if start < i {
+ buf.WriteString(s[start:i])
+ }
+ buf.WriteString(`\u202`)
+ buf.WriteByte(hexChars[c&0xF])
+ i += size
+ start = i
+ continue
+ }
+ i += size
+ }
+ if start < len(s) {
+ buf.WriteString(s[start:])
+ }
+ buf.WriteByte('"')
+ return buf.String()
+}
+
+func formatDouble(f float64) string {
+ var s string
+ if math.IsInf(f, 1) {
+ s = "Infinity"
+ } else if math.IsInf(f, -1) {
+ s = "-Infinity"
+ } else if math.IsNaN(f) {
+ s = "NaN"
+ } else {
+ // Print exactly one decimalType place for integers; otherwise, print as many are necessary to
+ // perfectly represent it.
+ s = strconv.FormatFloat(f, 'G', -1, 64)
+ if !strings.ContainsRune(s, '.') {
+ s += ".0"
+ }
+ }
+
+ return s
+}
+
+type sortableString []rune
+
+func (ss sortableString) Len() int {
+ return len(ss)
+}
+
+func (ss sortableString) Less(i, j int) bool {
+ return ss[i] < ss[j]
+}
+
+func (ss sortableString) Swap(i, j int) {
+ oldI := ss[i]
+ ss[i] = ss[j]
+ ss[j] = oldI
+}
+
+func sortStringAlphebeticAscending(s string) string {
+ ss := sortableString([]rune(s))
+ sort.Sort(ss)
+ return string([]rune(ss))
+}
+
+func docAsArray(d Document, debug bool) string {
+ if len(d) < 5 {
+ return ""
+ }
+ var buf bytes.Buffer
+ buf.WriteByte('[')
+
+ length, rem, _ := ReadLength(d) // We know we have enough bytes to read the length
+
+ length -= 4
+
+ var elem Element
+ var ok bool
+ first := true
+ for length > 1 {
+ if !first {
+ buf.WriteByte(',')
+ }
+ elem, rem, ok = ReadElement(rem)
+ length -= int32(len(elem))
+ if !ok {
+ return ""
+ }
+ if debug {
+ fmt.Fprintf(&buf, "%s ", elem.Value().DebugString())
+ } else {
+ fmt.Fprintf(&buf, "%s", elem.Value())
+ }
+ first = false
+ }
+ buf.WriteByte(']')
+
+ return buf.String()
+}