diff options
Diffstat (limited to 'vendor/google.golang.org/protobuf/internal/encoding')
14 files changed, 0 insertions, 3549 deletions
diff --git a/vendor/google.golang.org/protobuf/internal/encoding/defval/default.go b/vendor/google.golang.org/protobuf/internal/encoding/defval/default.go deleted file mode 100644 index 328dc733b..000000000 --- a/vendor/google.golang.org/protobuf/internal/encoding/defval/default.go +++ /dev/null @@ -1,213 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// Package defval marshals and unmarshals textual forms of default values. -// -// This package handles both the form historically used in Go struct field tags -// and also the form used by google.protobuf.FieldDescriptorProto.default_value -// since they differ in superficial ways. -package defval - -import ( - "fmt" - "math" - "strconv" - - ptext "google.golang.org/protobuf/internal/encoding/text" - "google.golang.org/protobuf/internal/errors" - "google.golang.org/protobuf/reflect/protoreflect" -) - -// Format is the serialization format used to represent the default value. -type Format int - -const ( - _ Format = iota - - // Descriptor uses the serialization format that protoc uses with the - // google.protobuf.FieldDescriptorProto.default_value field. - Descriptor - - // GoTag uses the historical serialization format in Go struct field tags. - GoTag -) - -// Unmarshal deserializes the default string s according to the given kind k. -// When k is an enum, a list of enum value descriptors must be provided. -func Unmarshal(s string, k protoreflect.Kind, evs protoreflect.EnumValueDescriptors, f Format) (protoreflect.Value, protoreflect.EnumValueDescriptor, error) { - switch k { - case protoreflect.BoolKind: - if f == GoTag { - switch s { - case "1": - return protoreflect.ValueOfBool(true), nil, nil - case "0": - return protoreflect.ValueOfBool(false), nil, nil - } - } else { - switch s { - case "true": - return protoreflect.ValueOfBool(true), nil, nil - case "false": - return protoreflect.ValueOfBool(false), nil, nil - } - } - case protoreflect.EnumKind: - if f == GoTag { - // Go tags use the numeric form of the enum value. - if n, err := strconv.ParseInt(s, 10, 32); err == nil { - if ev := evs.ByNumber(protoreflect.EnumNumber(n)); ev != nil { - return protoreflect.ValueOfEnum(ev.Number()), ev, nil - } - } - } else { - // Descriptor default_value use the enum identifier. - ev := evs.ByName(protoreflect.Name(s)) - if ev != nil { - return protoreflect.ValueOfEnum(ev.Number()), ev, nil - } - } - case protoreflect.Int32Kind, protoreflect.Sint32Kind, protoreflect.Sfixed32Kind: - if v, err := strconv.ParseInt(s, 10, 32); err == nil { - return protoreflect.ValueOfInt32(int32(v)), nil, nil - } - case protoreflect.Int64Kind, protoreflect.Sint64Kind, protoreflect.Sfixed64Kind: - if v, err := strconv.ParseInt(s, 10, 64); err == nil { - return protoreflect.ValueOfInt64(int64(v)), nil, nil - } - case protoreflect.Uint32Kind, protoreflect.Fixed32Kind: - if v, err := strconv.ParseUint(s, 10, 32); err == nil { - return protoreflect.ValueOfUint32(uint32(v)), nil, nil - } - case protoreflect.Uint64Kind, protoreflect.Fixed64Kind: - if v, err := strconv.ParseUint(s, 10, 64); err == nil { - return protoreflect.ValueOfUint64(uint64(v)), nil, nil - } - case protoreflect.FloatKind, protoreflect.DoubleKind: - var v float64 - var err error - switch s { - case "-inf": - v = math.Inf(-1) - case "inf": - v = math.Inf(+1) - case "nan": - v = math.NaN() - default: - v, err = strconv.ParseFloat(s, 64) - } - if err == nil { - if k == protoreflect.FloatKind { - return protoreflect.ValueOfFloat32(float32(v)), nil, nil - } else { - return protoreflect.ValueOfFloat64(float64(v)), nil, nil - } - } - case protoreflect.StringKind: - // String values are already unescaped and can be used as is. - return protoreflect.ValueOfString(s), nil, nil - case protoreflect.BytesKind: - if b, ok := unmarshalBytes(s); ok { - return protoreflect.ValueOfBytes(b), nil, nil - } - } - return protoreflect.Value{}, nil, errors.New("could not parse value for %v: %q", k, s) -} - -// Marshal serializes v as the default string according to the given kind k. -// When specifying the Descriptor format for an enum kind, the associated -// enum value descriptor must be provided. -func Marshal(v protoreflect.Value, ev protoreflect.EnumValueDescriptor, k protoreflect.Kind, f Format) (string, error) { - switch k { - case protoreflect.BoolKind: - if f == GoTag { - if v.Bool() { - return "1", nil - } else { - return "0", nil - } - } else { - if v.Bool() { - return "true", nil - } else { - return "false", nil - } - } - case protoreflect.EnumKind: - if f == GoTag { - return strconv.FormatInt(int64(v.Enum()), 10), nil - } else { - return string(ev.Name()), nil - } - case protoreflect.Int32Kind, protoreflect.Sint32Kind, protoreflect.Sfixed32Kind, protoreflect.Int64Kind, protoreflect.Sint64Kind, protoreflect.Sfixed64Kind: - return strconv.FormatInt(v.Int(), 10), nil - case protoreflect.Uint32Kind, protoreflect.Fixed32Kind, protoreflect.Uint64Kind, protoreflect.Fixed64Kind: - return strconv.FormatUint(v.Uint(), 10), nil - case protoreflect.FloatKind, protoreflect.DoubleKind: - f := v.Float() - switch { - case math.IsInf(f, -1): - return "-inf", nil - case math.IsInf(f, +1): - return "inf", nil - case math.IsNaN(f): - return "nan", nil - default: - if k == protoreflect.FloatKind { - return strconv.FormatFloat(f, 'g', -1, 32), nil - } else { - return strconv.FormatFloat(f, 'g', -1, 64), nil - } - } - case protoreflect.StringKind: - // String values are serialized as is without any escaping. - return v.String(), nil - case protoreflect.BytesKind: - if s, ok := marshalBytes(v.Bytes()); ok { - return s, nil - } - } - return "", errors.New("could not format value for %v: %v", k, v) -} - -// unmarshalBytes deserializes bytes by applying C unescaping. -func unmarshalBytes(s string) ([]byte, bool) { - // Bytes values use the same escaping as the text format, - // however they lack the surrounding double quotes. - v, err := ptext.UnmarshalString(`"` + s + `"`) - if err != nil { - return nil, false - } - return []byte(v), true -} - -// marshalBytes serializes bytes by using C escaping. -// To match the exact output of protoc, this is identical to the -// CEscape function in strutil.cc of the protoc source code. -func marshalBytes(b []byte) (string, bool) { - var s []byte - for _, c := range b { - switch c { - case '\n': - s = append(s, `\n`...) - case '\r': - s = append(s, `\r`...) - case '\t': - s = append(s, `\t`...) - case '"': - s = append(s, `\"`...) - case '\'': - s = append(s, `\'`...) - case '\\': - s = append(s, `\\`...) - default: - if printableASCII := c >= 0x20 && c <= 0x7e; printableASCII { - s = append(s, c) - } else { - s = append(s, fmt.Sprintf(`\%03o`, c)...) - } - } - } - return string(s), true -} diff --git a/vendor/google.golang.org/protobuf/internal/encoding/json/decode.go b/vendor/google.golang.org/protobuf/internal/encoding/json/decode.go deleted file mode 100644 index ea1d3e65a..000000000 --- a/vendor/google.golang.org/protobuf/internal/encoding/json/decode.go +++ /dev/null @@ -1,340 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package json - -import ( - "bytes" - "fmt" - "io" - "regexp" - "unicode/utf8" - - "google.golang.org/protobuf/internal/errors" -) - -// call specifies which Decoder method was invoked. -type call uint8 - -const ( - readCall call = iota - peekCall -) - -const unexpectedFmt = "unexpected token %s" - -// ErrUnexpectedEOF means that EOF was encountered in the middle of the input. -var ErrUnexpectedEOF = errors.New("%v", io.ErrUnexpectedEOF) - -// Decoder is a token-based JSON decoder. -type Decoder struct { - // lastCall is last method called, either readCall or peekCall. - // Initial value is readCall. - lastCall call - - // lastToken contains the last read token. - lastToken Token - - // lastErr contains the last read error. - lastErr error - - // openStack is a stack containing ObjectOpen and ArrayOpen values. The - // top of stack represents the object or the array the current value is - // directly located in. - openStack []Kind - - // orig is used in reporting line and column. - orig []byte - // in contains the unconsumed input. - in []byte -} - -// NewDecoder returns a Decoder to read the given []byte. -func NewDecoder(b []byte) *Decoder { - return &Decoder{orig: b, in: b} -} - -// Peek looks ahead and returns the next token kind without advancing a read. -func (d *Decoder) Peek() (Token, error) { - defer func() { d.lastCall = peekCall }() - if d.lastCall == readCall { - d.lastToken, d.lastErr = d.Read() - } - return d.lastToken, d.lastErr -} - -// Read returns the next JSON token. -// It will return an error if there is no valid token. -func (d *Decoder) Read() (Token, error) { - const scalar = Null | Bool | Number | String - - defer func() { d.lastCall = readCall }() - if d.lastCall == peekCall { - return d.lastToken, d.lastErr - } - - tok, err := d.parseNext() - if err != nil { - return Token{}, err - } - - switch tok.kind { - case EOF: - if len(d.openStack) != 0 || - d.lastToken.kind&scalar|ObjectClose|ArrayClose == 0 { - return Token{}, ErrUnexpectedEOF - } - - case Null: - if !d.isValueNext() { - return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString()) - } - - case Bool, Number: - if !d.isValueNext() { - return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString()) - } - - case String: - if d.isValueNext() { - break - } - // This string token should only be for a field name. - if d.lastToken.kind&(ObjectOpen|comma) == 0 { - return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString()) - } - if len(d.in) == 0 { - return Token{}, ErrUnexpectedEOF - } - if c := d.in[0]; c != ':' { - return Token{}, d.newSyntaxError(d.currPos(), `unexpected character %s, missing ":" after field name`, string(c)) - } - tok.kind = Name - d.consume(1) - - case ObjectOpen, ArrayOpen: - if !d.isValueNext() { - return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString()) - } - d.openStack = append(d.openStack, tok.kind) - - case ObjectClose: - if len(d.openStack) == 0 || - d.lastToken.kind&(Name|comma) != 0 || - d.openStack[len(d.openStack)-1] != ObjectOpen { - return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString()) - } - d.openStack = d.openStack[:len(d.openStack)-1] - - case ArrayClose: - if len(d.openStack) == 0 || - d.lastToken.kind == comma || - d.openStack[len(d.openStack)-1] != ArrayOpen { - return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString()) - } - d.openStack = d.openStack[:len(d.openStack)-1] - - case comma: - if len(d.openStack) == 0 || - d.lastToken.kind&(scalar|ObjectClose|ArrayClose) == 0 { - return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString()) - } - } - - // Update d.lastToken only after validating token to be in the right sequence. - d.lastToken = tok - - if d.lastToken.kind == comma { - return d.Read() - } - return tok, nil -} - -// Any sequence that looks like a non-delimiter (for error reporting). -var errRegexp = regexp.MustCompile(`^([-+._a-zA-Z0-9]{1,32}|.)`) - -// parseNext parses for the next JSON token. It returns a Token object for -// different types, except for Name. It does not handle whether the next token -// is in a valid sequence or not. -func (d *Decoder) parseNext() (Token, error) { - // Trim leading spaces. - d.consume(0) - - in := d.in - if len(in) == 0 { - return d.consumeToken(EOF, 0), nil - } - - switch in[0] { - case 'n': - if n := matchWithDelim("null", in); n != 0 { - return d.consumeToken(Null, n), nil - } - - case 't': - if n := matchWithDelim("true", in); n != 0 { - return d.consumeBoolToken(true, n), nil - } - - case 'f': - if n := matchWithDelim("false", in); n != 0 { - return d.consumeBoolToken(false, n), nil - } - - case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': - if n, ok := parseNumber(in); ok { - return d.consumeToken(Number, n), nil - } - - case '"': - s, n, err := d.parseString(in) - if err != nil { - return Token{}, err - } - return d.consumeStringToken(s, n), nil - - case '{': - return d.consumeToken(ObjectOpen, 1), nil - - case '}': - return d.consumeToken(ObjectClose, 1), nil - - case '[': - return d.consumeToken(ArrayOpen, 1), nil - - case ']': - return d.consumeToken(ArrayClose, 1), nil - - case ',': - return d.consumeToken(comma, 1), nil - } - return Token{}, d.newSyntaxError(d.currPos(), "invalid value %s", errRegexp.Find(in)) -} - -// newSyntaxError returns an error with line and column information useful for -// syntax errors. -func (d *Decoder) newSyntaxError(pos int, f string, x ...any) error { - e := errors.New(f, x...) - line, column := d.Position(pos) - return errors.New("syntax error (line %d:%d): %v", line, column, e) -} - -// Position returns line and column number of given index of the original input. -// It will panic if index is out of range. -func (d *Decoder) Position(idx int) (line int, column int) { - b := d.orig[:idx] - line = bytes.Count(b, []byte("\n")) + 1 - if i := bytes.LastIndexByte(b, '\n'); i >= 0 { - b = b[i+1:] - } - column = utf8.RuneCount(b) + 1 // ignore multi-rune characters - return line, column -} - -// currPos returns the current index position of d.in from d.orig. -func (d *Decoder) currPos() int { - return len(d.orig) - len(d.in) -} - -// matchWithDelim matches s with the input b and verifies that the match -// terminates with a delimiter of some form (e.g., r"[^-+_.a-zA-Z0-9]"). -// As a special case, EOF is considered a delimiter. It returns the length of s -// if there is a match, else 0. -func matchWithDelim(s string, b []byte) int { - if !bytes.HasPrefix(b, []byte(s)) { - return 0 - } - - n := len(s) - if n < len(b) && isNotDelim(b[n]) { - return 0 - } - return n -} - -// isNotDelim returns true if given byte is a not delimiter character. -func isNotDelim(c byte) bool { - return (c == '-' || c == '+' || c == '.' || c == '_' || - ('a' <= c && c <= 'z') || - ('A' <= c && c <= 'Z') || - ('0' <= c && c <= '9')) -} - -// consume consumes n bytes of input and any subsequent whitespace. -func (d *Decoder) consume(n int) { - d.in = d.in[n:] - for len(d.in) > 0 { - switch d.in[0] { - case ' ', '\n', '\r', '\t': - d.in = d.in[1:] - default: - return - } - } -} - -// isValueNext returns true if next type should be a JSON value: Null, -// Number, String or Bool. -func (d *Decoder) isValueNext() bool { - if len(d.openStack) == 0 { - return d.lastToken.kind == 0 - } - - start := d.openStack[len(d.openStack)-1] - switch start { - case ObjectOpen: - return d.lastToken.kind&Name != 0 - case ArrayOpen: - return d.lastToken.kind&(ArrayOpen|comma) != 0 - } - panic(fmt.Sprintf( - "unreachable logic in Decoder.isValueNext, lastToken.kind: %v, openStack: %v", - d.lastToken.kind, start)) -} - -// consumeToken constructs a Token for given Kind with raw value derived from -// current d.in and given size, and consumes the given size-length of it. -func (d *Decoder) consumeToken(kind Kind, size int) Token { - tok := Token{ - kind: kind, - raw: d.in[:size], - pos: len(d.orig) - len(d.in), - } - d.consume(size) - return tok -} - -// consumeBoolToken constructs a Token for a Bool kind with raw value derived from -// current d.in and given size. -func (d *Decoder) consumeBoolToken(b bool, size int) Token { - tok := Token{ - kind: Bool, - raw: d.in[:size], - pos: len(d.orig) - len(d.in), - boo: b, - } - d.consume(size) - return tok -} - -// consumeStringToken constructs a Token for a String kind with raw value derived -// from current d.in and given size. -func (d *Decoder) consumeStringToken(s string, size int) Token { - tok := Token{ - kind: String, - raw: d.in[:size], - pos: len(d.orig) - len(d.in), - str: s, - } - d.consume(size) - return tok -} - -// Clone returns a copy of the Decoder for use in reading ahead the next JSON -// object, array or other values without affecting current Decoder. -func (d *Decoder) Clone() *Decoder { - ret := *d - ret.openStack = append([]Kind(nil), ret.openStack...) - return &ret -} diff --git a/vendor/google.golang.org/protobuf/internal/encoding/json/decode_number.go b/vendor/google.golang.org/protobuf/internal/encoding/json/decode_number.go deleted file mode 100644 index 2999d7133..000000000 --- a/vendor/google.golang.org/protobuf/internal/encoding/json/decode_number.go +++ /dev/null @@ -1,254 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package json - -import ( - "bytes" - "strconv" -) - -// parseNumber reads the given []byte for a valid JSON number. If it is valid, -// it returns the number of bytes. Parsing logic follows the definition in -// https://tools.ietf.org/html/rfc7159#section-6, and is based off -// encoding/json.isValidNumber function. -func parseNumber(input []byte) (int, bool) { - var n int - - s := input - if len(s) == 0 { - return 0, false - } - - // Optional - - if s[0] == '-' { - s = s[1:] - n++ - if len(s) == 0 { - return 0, false - } - } - - // Digits - switch { - case s[0] == '0': - s = s[1:] - n++ - - case '1' <= s[0] && s[0] <= '9': - s = s[1:] - n++ - for len(s) > 0 && '0' <= s[0] && s[0] <= '9' { - s = s[1:] - n++ - } - - default: - return 0, false - } - - // . followed by 1 or more digits. - if len(s) >= 2 && s[0] == '.' && '0' <= s[1] && s[1] <= '9' { - s = s[2:] - n += 2 - for len(s) > 0 && '0' <= s[0] && s[0] <= '9' { - s = s[1:] - n++ - } - } - - // e or E followed by an optional - or + and - // 1 or more digits. - if len(s) >= 2 && (s[0] == 'e' || s[0] == 'E') { - s = s[1:] - n++ - if s[0] == '+' || s[0] == '-' { - s = s[1:] - n++ - if len(s) == 0 { - return 0, false - } - } - for len(s) > 0 && '0' <= s[0] && s[0] <= '9' { - s = s[1:] - n++ - } - } - - // Check that next byte is a delimiter or it is at the end. - if n < len(input) && isNotDelim(input[n]) { - return 0, false - } - - return n, true -} - -// numberParts is the result of parsing out a valid JSON number. It contains -// the parts of a number. The parts are used for integer conversion. -type numberParts struct { - neg bool - intp []byte - frac []byte - exp []byte -} - -// parseNumber constructs numberParts from given []byte. The logic here is -// similar to consumeNumber above with the difference of having to construct -// numberParts. The slice fields in numberParts are subslices of the input. -func parseNumberParts(input []byte) (numberParts, bool) { - var neg bool - var intp []byte - var frac []byte - var exp []byte - - s := input - if len(s) == 0 { - return numberParts{}, false - } - - // Optional - - if s[0] == '-' { - neg = true - s = s[1:] - if len(s) == 0 { - return numberParts{}, false - } - } - - // Digits - switch { - case s[0] == '0': - // Skip first 0 and no need to store. - s = s[1:] - - case '1' <= s[0] && s[0] <= '9': - intp = s - n := 1 - s = s[1:] - for len(s) > 0 && '0' <= s[0] && s[0] <= '9' { - s = s[1:] - n++ - } - intp = intp[:n] - - default: - return numberParts{}, false - } - - // . followed by 1 or more digits. - if len(s) >= 2 && s[0] == '.' && '0' <= s[1] && s[1] <= '9' { - frac = s[1:] - n := 1 - s = s[2:] - for len(s) > 0 && '0' <= s[0] && s[0] <= '9' { - s = s[1:] - n++ - } - frac = frac[:n] - } - - // e or E followed by an optional - or + and - // 1 or more digits. - if len(s) >= 2 && (s[0] == 'e' || s[0] == 'E') { - s = s[1:] - exp = s - n := 0 - if s[0] == '+' || s[0] == '-' { - s = s[1:] - n++ - if len(s) == 0 { - return numberParts{}, false - } - } - for len(s) > 0 && '0' <= s[0] && s[0] <= '9' { - s = s[1:] - n++ - } - exp = exp[:n] - } - - return numberParts{ - neg: neg, - intp: intp, - frac: bytes.TrimRight(frac, "0"), // Remove unnecessary 0s to the right. - exp: exp, - }, true -} - -// normalizeToIntString returns an integer string in normal form without the -// E-notation for given numberParts. It will return false if it is not an -// integer or if the exponent exceeds than max/min int value. -func normalizeToIntString(n numberParts) (string, bool) { - intpSize := len(n.intp) - fracSize := len(n.frac) - - if intpSize == 0 && fracSize == 0 { - return "0", true - } - - var exp int - if len(n.exp) > 0 { - i, err := strconv.ParseInt(string(n.exp), 10, 32) - if err != nil { - return "", false - } - exp = int(i) - } - - var num []byte - if exp >= 0 { - // For positive E, shift fraction digits into integer part and also pad - // with zeroes as needed. - - // If there are more digits in fraction than the E value, then the - // number is not an integer. - if fracSize > exp { - return "", false - } - - // Make sure resulting digits are within max value limit to avoid - // unnecessarily constructing a large byte slice that may simply fail - // later on. - const maxDigits = 20 // Max uint64 value has 20 decimal digits. - if intpSize+exp > maxDigits { - return "", false - } - - // Set cap to make a copy of integer part when appended. - num = n.intp[:len(n.intp):len(n.intp)] - num = append(num, n.frac...) - for i := 0; i < exp-fracSize; i++ { - num = append(num, '0') - } - } else { - // For negative E, shift digits in integer part out. - - // If there are fractions, then the number is not an integer. - if fracSize > 0 { - return "", false - } - - // index is where the decimal point will be after adjusting for negative - // exponent. - index := intpSize + exp - if index < 0 { - return "", false - } - - num = n.intp - // If any of the digits being shifted to the right of the decimal point - // is non-zero, then the number is not an integer. - for i := index; i < intpSize; i++ { - if num[i] != '0' { - return "", false - } - } - num = num[:index] - } - - if n.neg { - return "-" + string(num), true - } - return string(num), true -} diff --git a/vendor/google.golang.org/protobuf/internal/encoding/json/decode_string.go b/vendor/google.golang.org/protobuf/internal/encoding/json/decode_string.go deleted file mode 100644 index f7fea7d8d..000000000 --- a/vendor/google.golang.org/protobuf/internal/encoding/json/decode_string.go +++ /dev/null @@ -1,91 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package json - -import ( - "strconv" - "unicode" - "unicode/utf16" - "unicode/utf8" - - "google.golang.org/protobuf/internal/strs" -) - -func (d *Decoder) parseString(in []byte) (string, int, error) { - in0 := in - if len(in) == 0 { - return "", 0, ErrUnexpectedEOF - } - if in[0] != '"' { - return "", 0, d.newSyntaxError(d.currPos(), "invalid character %q at start of string", in[0]) - } - in = in[1:] - i := indexNeedEscapeInBytes(in) - in, out := in[i:], in[:i:i] // set cap to prevent mutations - for len(in) > 0 { - switch r, n := utf8.DecodeRune(in); { - case r == utf8.RuneError && n == 1: - return "", 0, d.newSyntaxError(d.currPos(), "invalid UTF-8 in string") - case r < ' ': - return "", 0, d.newSyntaxError(d.currPos(), "invalid character %q in string", r) - case r == '"': - in = in[1:] - n := len(in0) - len(in) - return string(out), n, nil - case r == '\\': - if len(in) < 2 { - return "", 0, ErrUnexpectedEOF - } - switch r := in[1]; r { - case '"', '\\', '/': - in, out = in[2:], append(out, r) - case 'b': - in, out = in[2:], append(out, '\b') - case 'f': - in, out = in[2:], append(out, '\f') - case 'n': - in, out = in[2:], append(out, '\n') - case 'r': - in, out = in[2:], append(out, '\r') - case 't': - in, out = in[2:], append(out, '\t') - case 'u': - if len(in) < 6 { - return "", 0, ErrUnexpectedEOF - } - v, err := strconv.ParseUint(string(in[2:6]), 16, 16) - if err != nil { - return "", 0, d.newSyntaxError(d.currPos(), "invalid escape code %q in string", in[:6]) - } - in = in[6:] - - r := rune(v) - if utf16.IsSurrogate(r) { - if len(in) < 6 { - return "", 0, ErrUnexpectedEOF - } - v, err := strconv.ParseUint(string(in[2:6]), 16, 16) - r = utf16.DecodeRune(r, rune(v)) - if in[0] != '\\' || in[1] != 'u' || - r == unicode.ReplacementChar || err != nil { - return "", 0, d.newSyntaxError(d.currPos(), "invalid escape code %q in string", in[:6]) - } - in = in[6:] - } - out = append(out, string(r)...) - default: - return "", 0, d.newSyntaxError(d.currPos(), "invalid escape code %q in string", in[:2]) - } - default: - i := indexNeedEscapeInBytes(in[n:]) - in, out = in[n+i:], append(out, in[:n+i]...) - } - } - return "", 0, ErrUnexpectedEOF -} - -// indexNeedEscapeInBytes returns the index of the character that needs -// escaping. If no characters need escaping, this returns the input length. -func indexNeedEscapeInBytes(b []byte) int { return indexNeedEscapeInString(strs.UnsafeString(b)) } diff --git a/vendor/google.golang.org/protobuf/internal/encoding/json/decode_token.go b/vendor/google.golang.org/protobuf/internal/encoding/json/decode_token.go deleted file mode 100644 index 50578d659..000000000 --- a/vendor/google.golang.org/protobuf/internal/encoding/json/decode_token.go +++ /dev/null @@ -1,192 +0,0 @@ -// Copyright 2019 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package json - -import ( - "bytes" - "fmt" - "strconv" -) - -// Kind represents a token kind expressible in the JSON format. -type Kind uint16 - -const ( - Invalid Kind = (1 << iota) / 2 - EOF - Null - Bool - Number - String - Name - ObjectOpen - ObjectClose - ArrayOpen - ArrayClose - - // comma is only for parsing in between tokens and - // does not need to be exported. - comma -) - -func (k Kind) String() string { - switch k { - case EOF: - return "eof" - case Null: - return "null" - case Bool: - return "bool" - case Number: - return "number" - case String: - return "string" - case ObjectOpen: - return "{" - case ObjectClose: - return "}" - case Name: - return "name" - case ArrayOpen: - return "[" - case ArrayClose: - return "]" - case comma: - return "," - } - return "<invalid>" -} - -// Token provides a parsed token kind and value. -// -// Values are provided by the difference accessor methods. The accessor methods -// Name, Bool, and ParsedString will panic if called on the wrong kind. There -// are different accessor methods for the Number kind for converting to the -// appropriate Go numeric type and those methods have the ok return value. -type Token struct { - // Token kind. - kind Kind - // pos provides the position of the token in the original input. - pos int - // raw bytes of the serialized token. - // This is a subslice into the original input. - raw []byte - // boo is parsed boolean value. - boo bool - // str is parsed string value. - str string -} - -// Kind returns the token kind. -func (t Token) Kind() Kind { - return t.kind -} - -// RawString returns the read value in string. -func (t Token) RawString() string { - return string(t.raw) -} - -// Pos returns the token position from the input. -func (t Token) Pos() int { - return t.pos -} - -// Name returns the object name if token is Name, else it panics. -func (t Token) Name() string { - if t.kind == Name { - return t.str - } - panic(fmt.Sprintf("Token is not a Name: %v", t.RawString())) -} - -// Bool returns the bool value if token kind is Bool, else it panics. -func (t Token) Bool() bool { - if t.kind == Bool { - return t.boo - } - panic(fmt.Sprintf("Token is not a Bool: %v", t.RawString())) -} - -// ParsedString returns the string value for a JSON string token or the read -// value in string if token is not a string. -func (t Token) ParsedString() string { - if t.kind == String { - return t.str - } - panic(fmt.Sprintf("Token is not a String: %v", t.RawString())) -} - -// Float returns the floating-point number if token kind is Number. -// -// The floating-point precision is specified by the bitSize parameter: 32 for -// float32 or 64 for float64. If bitSize=32, the result still has type float64, -// but it will be convertible to float32 without changing its value. It will -// return false if the number exceeds the floating point limits for given -// bitSize. -func (t Token) Float(bitSize int) (float64, bool) { - if t.kind != Number { - return 0, false - } - f, err := strconv.ParseFloat(t.RawString(), bitSize) - if err != nil { - return 0, false - } - return f, true -} - -// Int returns the signed integer number if token is Number. -// -// The given bitSize specifies the integer type that the result must fit into. -// It returns false if the number is not an integer value or if the result -// exceeds the limits for given bitSize. -func (t Token) Int(bitSize int) (int64, bool) { - s, ok := t.getIntStr() - if !ok { - return 0, false - } - n, err := strconv.ParseInt(s, 10, bitSize) - if err != nil { - return 0, false - } - return n, true -} - -// Uint returns the signed integer number if token is Number. -// -// The given bitSize specifies the unsigned integer type that the result must -// fit into. It returns false if the number is not an unsigned integer value -// or if the result exceeds the limits for given bitSize. -func (t Token) Uint(bitSize int) (uint64, bool) { - s, ok := t.getIntStr() - if !ok { - return 0, false - } - n, err := strconv.ParseUint(s, 10, bitSize) - if err != nil { - return 0, false - } - return n, true -} - -func (t Token) getIntStr() (string, bool) { - if t.kind != Number { - return "", false - } - parts, ok := parseNumberParts(t.raw) - if !ok { - return "", false - } - return normalizeToIntString(parts) -} - -// TokenEquals returns true if given Tokens are equal, else false. -func TokenEquals(x, y Token) bool { - return x.kind == y.kind && - x.pos == y.pos && - bytes.Equal(x.raw, y.raw) && - x.boo == y.boo && - x.str == y.str -} diff --git a/vendor/google.golang.org/protobuf/internal/encoding/json/encode.go b/vendor/google.golang.org/protobuf/internal/encoding/json/encode.go deleted file mode 100644 index 934f2dcb3..000000000 --- a/vendor/google.golang.org/protobuf/internal/encoding/json/encode.go +++ /dev/null @@ -1,278 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package json - -import ( - "math" - "math/bits" - "strconv" - "strings" - "unicode/utf8" - - "google.golang.org/protobuf/internal/detrand" - "google.golang.org/protobuf/internal/errors" -) - -// kind represents an encoding type. -type kind uint8 - -const ( - _ kind = (1 << iota) / 2 - name - scalar - objectOpen - objectClose - arrayOpen - arrayClose -) - -// Encoder provides methods to write out JSON constructs and values. The user is -// responsible for producing valid sequences of JSON constructs and values. -type Encoder struct { - indent string - lastKind kind - indents []byte - out []byte -} - -// NewEncoder returns an Encoder. -// -// If indent is a non-empty string, it causes every entry for an Array or Object -// to be preceded by the indent and trailed by a newline. -func NewEncoder(buf []byte, indent string) (*Encoder, error) { - e := &Encoder{ - out: buf, - } - if len(indent) > 0 { - if strings.Trim(indent, " \t") != "" { - return nil, errors.New("indent may only be composed of space or tab characters") - } - e.indent = indent - } - return e, nil -} - -// Bytes returns the content of the written bytes. -func (e *Encoder) Bytes() []byte { - return e.out -} - -// WriteNull writes out the null value. -func (e *Encoder) WriteNull() { - e.prepareNext(scalar) - e.out = append(e.out, "null"...) -} - -// WriteBool writes out the given boolean value. -func (e *Encoder) WriteBool(b bool) { - e.prepareNext(scalar) - if b { - e.out = append(e.out, "true"...) - } else { - e.out = append(e.out, "false"...) - } -} - -// WriteString writes out the given string in JSON string value. Returns error -// if input string contains invalid UTF-8. -func (e *Encoder) WriteString(s string) error { - e.prepareNext(scalar) - var err error - if e.out, err = appendString(e.out, s); err != nil { - return err - } - return nil -} - -// Sentinel error used for indicating invalid UTF-8. -var errInvalidUTF8 = errors.New("invalid UTF-8") - -func appendString(out []byte, in string) ([]byte, error) { - out = append(out, '"') - i := indexNeedEscapeInString(in) - in, out = in[i:], append(out, in[:i]...) - for len(in) > 0 { - switch r, n := utf8.DecodeRuneInString(in); { - case r == utf8.RuneError && n == 1: - return out, errInvalidUTF8 - case r < ' ' || r == '"' || r == '\\': - out = append(out, '\\') - switch r { - case '"', '\\': - out = append(out, byte(r)) - case '\b': - out = append(out, 'b') - case '\f': - out = append(out, 'f') - case '\n': - out = append(out, 'n') - case '\r': - out = append(out, 'r') - case '\t': - out = append(out, 't') - default: - out = append(out, 'u') - out = append(out, "0000"[1+(bits.Len32(uint32(r))-1)/4:]...) - out = strconv.AppendUint(out, uint64(r), 16) - } - in = in[n:] - default: - i := indexNeedEscapeInString(in[n:]) - in, out = in[n+i:], append(out, in[:n+i]...) - } - } - out = append(out, '"') - return out, nil -} - -// indexNeedEscapeInString returns the index of the character that needs -// escaping. If no characters need escaping, this returns the input length. -func indexNeedEscapeInString(s string) int { - for i, r := range s { - if r < ' ' || r == '\\' || r == '"' || r == utf8.RuneError { - return i - } - } - return len(s) -} - -// WriteFloat writes out the given float and bitSize in JSON number value. -func (e *Encoder) WriteFloat(n float64, bitSize int) { - e.prepareNext(scalar) - e.out = appendFloat(e.out, n, bitSize) -} - -// appendFloat formats given float in bitSize, and appends to the given []byte. -func appendFloat(out []byte, n float64, bitSize int) []byte { - switch { - case math.IsNaN(n): - return append(out, `"NaN"`...) - case math.IsInf(n, +1): - return append(out, `"Infinity"`...) - case math.IsInf(n, -1): - return append(out, `"-Infinity"`...) - } - - // JSON number formatting logic based on encoding/json. - // See floatEncoder.encode for reference. - fmt := byte('f') - if abs := math.Abs(n); abs != 0 { - if bitSize == 64 && (abs < 1e-6 || abs >= 1e21) || - bitSize == 32 && (float32(abs) < 1e-6 || float32(abs) >= 1e21) { - fmt = 'e' - } - } - out = strconv.AppendFloat(out, n, fmt, -1, bitSize) - if fmt == 'e' { - n := len(out) - if n >= 4 && out[n-4] == 'e' && out[n-3] == '-' && out[n-2] == '0' { - out[n-2] = out[n-1] - out = out[:n-1] - } - } - return out -} - -// WriteInt writes out the given signed integer in JSON number value. -func (e *Encoder) WriteInt(n int64) { - e.prepareNext(scalar) - e.out = strconv.AppendInt(e.out, n, 10) -} - -// WriteUint writes out the given unsigned integer in JSON number value. -func (e *Encoder) WriteUint(n uint64) { - e.prepareNext(scalar) - e.out = strconv.AppendUint(e.out, n, 10) -} - -// StartObject writes out the '{' symbol. -func (e *Encoder) StartObject() { - e.prepareNext(objectOpen) - e.out = append(e.out, '{') -} - -// EndObject writes out the '}' symbol. -func (e *Encoder) EndObject() { - e.prepareNext(objectClose) - e.out = append(e.out, '}') -} - -// WriteName writes out the given string in JSON string value and the name -// separator ':'. Returns error if input string contains invalid UTF-8, which -// should not be likely as protobuf field names should be valid. -func (e *Encoder) WriteName(s string) error { - e.prepareNext(name) - var err error - // Append to output regardless of error. - e.out, err = appendString(e.out, s) - e.out = append(e.out, ':') - return err -} - -// StartArray writes out the '[' symbol. -func (e *Encoder) StartArray() { - e.prepareNext(arrayOpen) - e.out = append(e.out, '[') -} - -// EndArray writes out the ']' symbol. -func (e *Encoder) EndArray() { - e.prepareNext(arrayClose) - e.out = append(e.out, ']') -} - -// prepareNext adds possible comma and indentation for the next value based -// on last type and indent option. It also updates lastKind to next. -func (e *Encoder) prepareNext(next kind) { - defer func() { - // Set lastKind to next. - e.lastKind = next - }() - - if len(e.indent) == 0 { - // Need to add comma on the following condition. - if e.lastKind&(scalar|objectClose|arrayClose) != 0 && - next&(name|scalar|objectOpen|arrayOpen) != 0 { - e.out = append(e.out, ',') - // For single-line output, add a random extra space after each - // comma to make output unstable. - if detrand.Bool() { - e.out = append(e.out, ' ') - } - } - return - } - - switch { - case e.lastKind&(objectOpen|arrayOpen) != 0: - // If next type is NOT closing, add indent and newline. - if next&(objectClose|arrayClose) == 0 { - e.indents = append(e.indents, e.indent...) - e.out = append(e.out, '\n') - e.out = append(e.out, e.indents...) - } - - case e.lastKind&(scalar|objectClose|arrayClose) != 0: - switch { - // If next type is either a value or name, add comma and newline. - case next&(name|scalar|objectOpen|arrayOpen) != 0: - e.out = append(e.out, ',', '\n') - - // If next type is a closing object or array, adjust indentation. - case next&(objectClose|arrayClose) != 0: - e.indents = e.indents[:len(e.indents)-len(e.indent)] - e.out = append(e.out, '\n') - } - e.out = append(e.out, e.indents...) - - case e.lastKind&name != 0: - e.out = append(e.out, ' ') - // For multi-line output, add a random extra space after key: to make - // output unstable. - if detrand.Bool() { - e.out = append(e.out, ' ') - } - } -} diff --git a/vendor/google.golang.org/protobuf/internal/encoding/messageset/messageset.go b/vendor/google.golang.org/protobuf/internal/encoding/messageset/messageset.go deleted file mode 100644 index a6693f0a2..000000000 --- a/vendor/google.golang.org/protobuf/internal/encoding/messageset/messageset.go +++ /dev/null @@ -1,242 +0,0 @@ -// Copyright 2019 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// Package messageset encodes and decodes the obsolete MessageSet wire format. -package messageset - -import ( - "math" - - "google.golang.org/protobuf/encoding/protowire" - "google.golang.org/protobuf/internal/errors" - "google.golang.org/protobuf/reflect/protoreflect" -) - -// The MessageSet wire format is equivalent to a message defined as follows, -// where each Item defines an extension field with a field number of 'type_id' -// and content of 'message'. MessageSet extensions must be non-repeated message -// fields. -// -// message MessageSet { -// repeated group Item = 1 { -// required int32 type_id = 2; -// required string message = 3; -// } -// } -const ( - FieldItem = protowire.Number(1) - FieldTypeID = protowire.Number(2) - FieldMessage = protowire.Number(3) -) - -// ExtensionName is the field name for extensions of MessageSet. -// -// A valid MessageSet extension must be of the form: -// -// message MyMessage { -// extend proto2.bridge.MessageSet { -// optional MyMessage message_set_extension = 1234; -// } -// ... -// } -const ExtensionName = "message_set_extension" - -// IsMessageSet returns whether the message uses the MessageSet wire format. -func IsMessageSet(md protoreflect.MessageDescriptor) bool { - xmd, ok := md.(interface{ IsMessageSet() bool }) - return ok && xmd.IsMessageSet() -} - -// IsMessageSetExtension reports this field properly extends a MessageSet. -func IsMessageSetExtension(fd protoreflect.FieldDescriptor) bool { - switch { - case fd.Name() != ExtensionName: - return false - case !IsMessageSet(fd.ContainingMessage()): - return false - case fd.FullName().Parent() != fd.Message().FullName(): - return false - } - return true -} - -// SizeField returns the size of a MessageSet item field containing an extension -// with the given field number, not counting the contents of the message subfield. -func SizeField(num protowire.Number) int { - return 2*protowire.SizeTag(FieldItem) + protowire.SizeTag(FieldTypeID) + protowire.SizeVarint(uint64(num)) -} - -// Unmarshal parses a MessageSet. -// -// It calls fn with the type ID and value of each item in the MessageSet. -// Unknown fields are discarded. -// -// If wantLen is true, the item values include the varint length prefix. -// This is ugly, but simplifies the fast-path decoder in internal/impl. -func Unmarshal(b []byte, wantLen bool, fn func(typeID protowire.Number, value []byte) error) error { - for len(b) > 0 { - num, wtyp, n := protowire.ConsumeTag(b) - if n < 0 { - return protowire.ParseError(n) - } - b = b[n:] - if num != FieldItem || wtyp != protowire.StartGroupType { - n := protowire.ConsumeFieldValue(num, wtyp, b) - if n < 0 { - return protowire.ParseError(n) - } - b = b[n:] - continue - } - typeID, value, n, err := ConsumeFieldValue(b, wantLen) - if err != nil { - return err - } - b = b[n:] - if typeID == 0 { - continue - } - if err := fn(typeID, value); err != nil { - return err - } - } - return nil -} - -// ConsumeFieldValue parses b as a MessageSet item field value until and including -// the trailing end group marker. It assumes the start group tag has already been parsed. -// It returns the contents of the type_id and message subfields and the total -// item length. -// -// If wantLen is true, the returned message value includes the length prefix. -func ConsumeFieldValue(b []byte, wantLen bool) (typeid protowire.Number, message []byte, n int, err error) { - ilen := len(b) - for { - num, wtyp, n := protowire.ConsumeTag(b) - if n < 0 { - return 0, nil, 0, protowire.ParseError(n) - } - b = b[n:] - switch { - case num == FieldItem && wtyp == protowire.EndGroupType: - if wantLen && len(message) == 0 { - // The message field was missing, which should never happen. - // Be prepared for this case anyway. - message = protowire.AppendVarint(message, 0) - } - return typeid, message, ilen - len(b), nil - case num == FieldTypeID && wtyp == protowire.VarintType: - v, n := protowire.ConsumeVarint(b) - if n < 0 { - return 0, nil, 0, protowire.ParseError(n) - } - b = b[n:] - if v < 1 || v > math.MaxInt32 { - return 0, nil, 0, errors.New("invalid type_id in message set") - } - typeid = protowire.Number(v) - case num == FieldMessage && wtyp == protowire.BytesType: - m, n := protowire.ConsumeBytes(b) - if n < 0 { - return 0, nil, 0, protowire.ParseError(n) - } - if message == nil { - if wantLen { - message = b[:n:n] - } else { - message = m[:len(m):len(m)] - } - } else { - // This case should never happen in practice, but handle it for - // correctness: The MessageSet item contains multiple message - // fields, which need to be merged. - // - // In the case where we're returning the length, this becomes - // quite inefficient since we need to strip the length off - // the existing data and reconstruct it with the combined length. - if wantLen { - _, nn := protowire.ConsumeVarint(message) - m0 := message[nn:] - message = nil - message = protowire.AppendVarint(message, uint64(len(m0)+len(m))) - message = append(message, m0...) - message = append(message, m...) - } else { - message = append(message, m...) - } - } - b = b[n:] - default: - // We have no place to put it, so we just ignore unknown fields. - n := protowire.ConsumeFieldValue(num, wtyp, b) - if n < 0 { - return 0, nil, 0, protowire.ParseError(n) - } - b = b[n:] - } - } -} - -// AppendFieldStart appends the start of a MessageSet item field containing -// an extension with the given number. The caller must add the message -// subfield (including the tag). -func AppendFieldStart(b []byte, num protowire.Number) []byte { - b = protowire.AppendTag(b, FieldItem, protowire.StartGroupType) - b = protowire.AppendTag(b, FieldTypeID, protowire.VarintType) - b = protowire.AppendVarint(b, uint64(num)) - return b -} - -// AppendFieldEnd appends the trailing end group marker for a MessageSet item field. -func AppendFieldEnd(b []byte) []byte { - return protowire.AppendTag(b, FieldItem, protowire.EndGroupType) -} - -// SizeUnknown returns the size of an unknown fields section in MessageSet format. -// -// See AppendUnknown. -func SizeUnknown(unknown []byte) (size int) { - for len(unknown) > 0 { - num, typ, n := protowire.ConsumeTag(unknown) - if n < 0 || typ != protowire.BytesType { - return 0 - } - unknown = unknown[n:] - _, n = protowire.ConsumeBytes(unknown) - if n < 0 { - return 0 - } - unknown = unknown[n:] - size += SizeField(num) + protowire.SizeTag(FieldMessage) + n - } - return size -} - -// AppendUnknown appends unknown fields to b in MessageSet format. -// -// For historic reasons, unresolved items in a MessageSet are stored in a -// message's unknown fields section in non-MessageSet format. That is, an -// unknown item with typeID T and value V appears in the unknown fields as -// a field with number T and value V. -// -// This function converts the unknown fields back into MessageSet form. -func AppendUnknown(b, unknown []byte) ([]byte, error) { - for len(unknown) > 0 { - num, typ, n := protowire.ConsumeTag(unknown) - if n < 0 || typ != protowire.BytesType { - return nil, errors.New("invalid data in message set unknown fields") - } - unknown = unknown[n:] - _, n = protowire.ConsumeBytes(unknown) - if n < 0 { - return nil, errors.New("invalid data in message set unknown fields") - } - b = AppendFieldStart(b, num) - b = protowire.AppendTag(b, FieldMessage, protowire.BytesType) - b = append(b, unknown[:n]...) - b = AppendFieldEnd(b) - unknown = unknown[n:] - } - return b, nil -} diff --git a/vendor/google.golang.org/protobuf/internal/encoding/tag/tag.go b/vendor/google.golang.org/protobuf/internal/encoding/tag/tag.go deleted file mode 100644 index 7e87c7604..000000000 --- a/vendor/google.golang.org/protobuf/internal/encoding/tag/tag.go +++ /dev/null @@ -1,207 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// Package tag marshals and unmarshals the legacy struct tags as generated -// by historical versions of protoc-gen-go. -package tag - -import ( - "reflect" - "strconv" - "strings" - - "google.golang.org/protobuf/internal/encoding/defval" - "google.golang.org/protobuf/internal/filedesc" - "google.golang.org/protobuf/internal/strs" - "google.golang.org/protobuf/reflect/protoreflect" -) - -var byteType = reflect.TypeOf(byte(0)) - -// Unmarshal decodes the tag into a prototype.Field. -// -// The goType is needed to determine the original protoreflect.Kind since the -// tag does not record sufficient information to determine that. -// The type is the underlying field type (e.g., a repeated field may be -// represented by []T, but the Go type passed in is just T). -// A list of enum value descriptors must be provided for enum fields. -// This does not populate the Enum or Message (except for weak message). -// -// This function is a best effort attempt; parsing errors are ignored. -func Unmarshal(tag string, goType reflect.Type, evs protoreflect.EnumValueDescriptors) protoreflect.FieldDescriptor { - f := new(filedesc.Field) - f.L0.ParentFile = filedesc.SurrogateProto2 - f.L1.EditionFeatures = f.L0.ParentFile.L1.EditionFeatures - for len(tag) > 0 { - i := strings.IndexByte(tag, ',') - if i < 0 { - i = len(tag) - } - switch s := tag[:i]; { - case strings.HasPrefix(s, "name="): - f.L0.FullName = protoreflect.FullName(s[len("name="):]) - case strings.Trim(s, "0123456789") == "": - n, _ := strconv.ParseUint(s, 10, 32) - f.L1.Number = protoreflect.FieldNumber(n) - case s == "opt": - f.L1.Cardinality = protoreflect.Optional - case s == "req": - f.L1.Cardinality = protoreflect.Required - case s == "rep": - f.L1.Cardinality = protoreflect.Repeated - case s == "varint": - switch goType.Kind() { - case reflect.Bool: - f.L1.Kind = protoreflect.BoolKind - case reflect.Int32: - f.L1.Kind = protoreflect.Int32Kind - case reflect.Int64: - f.L1.Kind = protoreflect.Int64Kind - case reflect.Uint32: - f.L1.Kind = protoreflect.Uint32Kind - case reflect.Uint64: - f.L1.Kind = protoreflect.Uint64Kind - } - case s == "zigzag32": - if goType.Kind() == reflect.Int32 { - f.L1.Kind = protoreflect.Sint32Kind - } - case s == "zigzag64": - if goType.Kind() == reflect.Int64 { - f.L1.Kind = protoreflect.Sint64Kind - } - case s == "fixed32": - switch goType.Kind() { - case reflect.Int32: - f.L1.Kind = protoreflect.Sfixed32Kind - case reflect.Uint32: - f.L1.Kind = protoreflect.Fixed32Kind - case reflect.Float32: - f.L1.Kind = protoreflect.FloatKind - } - case s == "fixed64": - switch goType.Kind() { - case reflect.Int64: - f.L1.Kind = protoreflect.Sfixed64Kind - case reflect.Uint64: - f.L1.Kind = protoreflect.Fixed64Kind - case reflect.Float64: - f.L1.Kind = protoreflect.DoubleKind - } - case s == "bytes": - switch { - case goType.Kind() == reflect.String: - f.L1.Kind = protoreflect.StringKind - case goType.Kind() == reflect.Slice && goType.Elem() == byteType: - f.L1.Kind = protoreflect.BytesKind - default: - f.L1.Kind = protoreflect.MessageKind - } - case s == "group": - f.L1.Kind = protoreflect.GroupKind - case strings.HasPrefix(s, "enum="): - f.L1.Kind = protoreflect.EnumKind - case strings.HasPrefix(s, "json="): - jsonName := s[len("json="):] - if jsonName != strs.JSONCamelCase(string(f.L0.FullName.Name())) { - f.L1.StringName.InitJSON(jsonName) - } - case s == "packed": - f.L1.EditionFeatures.IsPacked = true - case strings.HasPrefix(s, "weak="): - f.L1.IsWeak = true - f.L1.Message = filedesc.PlaceholderMessage(protoreflect.FullName(s[len("weak="):])) - case strings.HasPrefix(s, "def="): - // The default tag is special in that everything afterwards is the - // default regardless of the presence of commas. - s, i = tag[len("def="):], len(tag) - v, ev, _ := defval.Unmarshal(s, f.L1.Kind, evs, defval.GoTag) - f.L1.Default = filedesc.DefaultValue(v, ev) - case s == "proto3": - f.L0.ParentFile = filedesc.SurrogateProto3 - } - tag = strings.TrimPrefix(tag[i:], ",") - } - - // The generator uses the group message name instead of the field name. - // We obtain the real field name by lowercasing the group name. - if f.L1.Kind == protoreflect.GroupKind { - f.L0.FullName = protoreflect.FullName(strings.ToLower(string(f.L0.FullName))) - } - return f -} - -// Marshal encodes the protoreflect.FieldDescriptor as a tag. -// -// The enumName must be provided if the kind is an enum. -// Historically, the formulation of the enum "name" was the proto package -// dot-concatenated with the generated Go identifier for the enum type. -// Depending on the context on how Marshal is called, there are different ways -// through which that information is determined. As such it is the caller's -// responsibility to provide a function to obtain that information. -func Marshal(fd protoreflect.FieldDescriptor, enumName string) string { - var tag []string - switch fd.Kind() { - case protoreflect.BoolKind, protoreflect.EnumKind, protoreflect.Int32Kind, protoreflect.Uint32Kind, protoreflect.Int64Kind, protoreflect.Uint64Kind: - tag = append(tag, "varint") - case protoreflect.Sint32Kind: - tag = append(tag, "zigzag32") - case protoreflect.Sint64Kind: - tag = append(tag, "zigzag64") - case protoreflect.Sfixed32Kind, protoreflect.Fixed32Kind, protoreflect.FloatKind: - tag = append(tag, "fixed32") - case protoreflect.Sfixed64Kind, protoreflect.Fixed64Kind, protoreflect.DoubleKind: - tag = append(tag, "fixed64") - case protoreflect.StringKind, protoreflect.BytesKind, protoreflect.MessageKind: - tag = append(tag, "bytes") - case protoreflect.GroupKind: - tag = append(tag, "group") - } - tag = append(tag, strconv.Itoa(int(fd.Number()))) - switch fd.Cardinality() { - case protoreflect.Optional: - tag = append(tag, "opt") - case protoreflect.Required: - tag = append(tag, "req") - case protoreflect.Repeated: - tag = append(tag, "rep") - } - if fd.IsPacked() { - tag = append(tag, "packed") - } - name := string(fd.Name()) - if fd.Kind() == protoreflect.GroupKind { - // The name of the FieldDescriptor for a group field is - // lowercased. To find the original capitalization, we - // look in the field's MessageType. - name = string(fd.Message().Name()) - } - tag = append(tag, "name="+name) - if jsonName := fd.JSONName(); jsonName != "" && jsonName != name && !fd.IsExtension() { - // NOTE: The jsonName != name condition is suspect, but it preserve - // the exact same semantics from the previous generator. - tag = append(tag, "json="+jsonName) - } - if fd.IsWeak() { - tag = append(tag, "weak="+string(fd.Message().FullName())) - } - // The previous implementation does not tag extension fields as proto3, - // even when the field is defined in a proto3 file. Match that behavior - // for consistency. - if fd.Syntax() == protoreflect.Proto3 && !fd.IsExtension() { - tag = append(tag, "proto3") - } - if fd.Kind() == protoreflect.EnumKind && enumName != "" { - tag = append(tag, "enum="+enumName) - } - if fd.ContainingOneof() != nil { - tag = append(tag, "oneof") - } - // This must appear last in the tag, since commas in strings aren't escaped. - if fd.HasDefault() { - def, _ := defval.Marshal(fd.Default(), fd.DefaultEnumValue(), fd.Kind(), defval.GoTag) - tag = append(tag, "def="+def) - } - return strings.Join(tag, ",") -} diff --git a/vendor/google.golang.org/protobuf/internal/encoding/text/decode.go b/vendor/google.golang.org/protobuf/internal/encoding/text/decode.go deleted file mode 100644 index 099b2bf45..000000000 --- a/vendor/google.golang.org/protobuf/internal/encoding/text/decode.go +++ /dev/null @@ -1,686 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package text - -import ( - "bytes" - "fmt" - "io" - "strconv" - "unicode/utf8" - - "google.golang.org/protobuf/internal/errors" -) - -// Decoder is a token-based textproto decoder. -type Decoder struct { - // lastCall is last method called, either readCall or peekCall. - // Initial value is readCall. - lastCall call - - // lastToken contains the last read token. - lastToken Token - - // lastErr contains the last read error. - lastErr error - - // openStack is a stack containing the byte characters for MessageOpen and - // ListOpen kinds. The top of stack represents the message or the list that - // the current token is nested in. An empty stack means the current token is - // at the top level message. The characters '{' and '<' both represent the - // MessageOpen kind. - openStack []byte - - // orig is used in reporting line and column. - orig []byte - // in contains the unconsumed input. - in []byte -} - -// NewDecoder returns a Decoder to read the given []byte. -func NewDecoder(b []byte) *Decoder { - return &Decoder{orig: b, in: b} -} - -// ErrUnexpectedEOF means that EOF was encountered in the middle of the input. -var ErrUnexpectedEOF = errors.New("%v", io.ErrUnexpectedEOF) - -// call specifies which Decoder method was invoked. -type call uint8 - -const ( - readCall call = iota - peekCall -) - -// Peek looks ahead and returns the next token and error without advancing a read. -func (d *Decoder) Peek() (Token, error) { - defer func() { d.lastCall = peekCall }() - if d.lastCall == readCall { - d.lastToken, d.lastErr = d.Read() - } - return d.lastToken, d.lastErr -} - -// Read returns the next token. -// It will return an error if there is no valid token. -func (d *Decoder) Read() (Token, error) { - defer func() { d.lastCall = readCall }() - if d.lastCall == peekCall { - return d.lastToken, d.lastErr - } - - tok, err := d.parseNext(d.lastToken.kind) - if err != nil { - return Token{}, err - } - - switch tok.kind { - case comma, semicolon: - tok, err = d.parseNext(tok.kind) - if err != nil { - return Token{}, err - } - } - d.lastToken = tok - return tok, nil -} - -const ( - mismatchedFmt = "mismatched close character %q" - unexpectedFmt = "unexpected character %q" -) - -// parseNext parses the next Token based on given last kind. -func (d *Decoder) parseNext(lastKind Kind) (Token, error) { - // Trim leading spaces. - d.consume(0) - isEOF := false - if len(d.in) == 0 { - isEOF = true - } - - switch lastKind { - case EOF: - return d.consumeToken(EOF, 0, 0), nil - - case bof: - // Start of top level message. Next token can be EOF or Name. - if isEOF { - return d.consumeToken(EOF, 0, 0), nil - } - return d.parseFieldName() - - case Name: - // Next token can be MessageOpen, ListOpen or Scalar. - if isEOF { - return Token{}, ErrUnexpectedEOF - } - switch ch := d.in[0]; ch { - case '{', '<': - d.pushOpenStack(ch) - return d.consumeToken(MessageOpen, 1, 0), nil - case '[': - d.pushOpenStack(ch) - return d.consumeToken(ListOpen, 1, 0), nil - default: - return d.parseScalar() - } - - case Scalar: - openKind, closeCh := d.currentOpenKind() - switch openKind { - case bof: - // Top level message. - // Next token can be EOF, comma, semicolon or Name. - if isEOF { - return d.consumeToken(EOF, 0, 0), nil - } - switch d.in[0] { - case ',': - return d.consumeToken(comma, 1, 0), nil - case ';': - return d.consumeToken(semicolon, 1, 0), nil - default: - return d.parseFieldName() - } - - case MessageOpen: - // Next token can be MessageClose, comma, semicolon or Name. - if isEOF { - return Token{}, ErrUnexpectedEOF - } - switch ch := d.in[0]; ch { - case closeCh: - d.popOpenStack() - return d.consumeToken(MessageClose, 1, 0), nil - case otherCloseChar[closeCh]: - return Token{}, d.newSyntaxError(mismatchedFmt, ch) - case ',': - return d.consumeToken(comma, 1, 0), nil - case ';': - return d.consumeToken(semicolon, 1, 0), nil - default: - return d.parseFieldName() - } - - case ListOpen: - // Next token can be ListClose or comma. - if isEOF { - return Token{}, ErrUnexpectedEOF - } - switch ch := d.in[0]; ch { - case ']': - d.popOpenStack() - return d.consumeToken(ListClose, 1, 0), nil - case ',': - return d.consumeToken(comma, 1, 0), nil - default: - return Token{}, d.newSyntaxError(unexpectedFmt, ch) - } - } - - case MessageOpen: - // Next token can be MessageClose or Name. - if isEOF { - return Token{}, ErrUnexpectedEOF - } - _, closeCh := d.currentOpenKind() - switch ch := d.in[0]; ch { - case closeCh: - d.popOpenStack() - return d.consumeToken(MessageClose, 1, 0), nil - case otherCloseChar[closeCh]: - return Token{}, d.newSyntaxError(mismatchedFmt, ch) - default: - return d.parseFieldName() - } - - case MessageClose: - openKind, closeCh := d.currentOpenKind() - switch openKind { - case bof: - // Top level message. - // Next token can be EOF, comma, semicolon or Name. - if isEOF { - return d.consumeToken(EOF, 0, 0), nil - } - switch ch := d.in[0]; ch { - case ',': - return d.consumeToken(comma, 1, 0), nil - case ';': - return d.consumeToken(semicolon, 1, 0), nil - default: - return d.parseFieldName() - } - - case MessageOpen: - // Next token can be MessageClose, comma, semicolon or Name. - if isEOF { - return Token{}, ErrUnexpectedEOF - } - switch ch := d.in[0]; ch { - case closeCh: - d.popOpenStack() - return d.consumeToken(MessageClose, 1, 0), nil - case otherCloseChar[closeCh]: - return Token{}, d.newSyntaxError(mismatchedFmt, ch) - case ',': - return d.consumeToken(comma, 1, 0), nil - case ';': - return d.consumeToken(semicolon, 1, 0), nil - default: - return d.parseFieldName() - } - - case ListOpen: - // Next token can be ListClose or comma - if isEOF { - return Token{}, ErrUnexpectedEOF - } - switch ch := d.in[0]; ch { - case closeCh: - d.popOpenStack() - return d.consumeToken(ListClose, 1, 0), nil - case ',': - return d.consumeToken(comma, 1, 0), nil - default: - return Token{}, d.newSyntaxError(unexpectedFmt, ch) - } - } - - case ListOpen: - // Next token can be ListClose, MessageStart or Scalar. - if isEOF { - return Token{}, ErrUnexpectedEOF - } - switch ch := d.in[0]; ch { - case ']': - d.popOpenStack() - return d.consumeToken(ListClose, 1, 0), nil - case '{', '<': - d.pushOpenStack(ch) - return d.consumeToken(MessageOpen, 1, 0), nil - default: - return d.parseScalar() - } - - case ListClose: - openKind, closeCh := d.currentOpenKind() - switch openKind { - case bof: - // Top level message. - // Next token can be EOF, comma, semicolon or Name. - if isEOF { - return d.consumeToken(EOF, 0, 0), nil - } - switch ch := d.in[0]; ch { - case ',': - return d.consumeToken(comma, 1, 0), nil - case ';': - return d.consumeToken(semicolon, 1, 0), nil - default: - return d.parseFieldName() - } - - case MessageOpen: - // Next token can be MessageClose, comma, semicolon or Name. - if isEOF { - return Token{}, ErrUnexpectedEOF - } - switch ch := d.in[0]; ch { - case closeCh: - d.popOpenStack() - return d.consumeToken(MessageClose, 1, 0), nil - case otherCloseChar[closeCh]: - return Token{}, d.newSyntaxError(mismatchedFmt, ch) - case ',': - return d.consumeToken(comma, 1, 0), nil - case ';': - return d.consumeToken(semicolon, 1, 0), nil - default: - return d.parseFieldName() - } - - default: - // It is not possible to have this case. Let it panic below. - } - - case comma, semicolon: - openKind, closeCh := d.currentOpenKind() - switch openKind { - case bof: - // Top level message. Next token can be EOF or Name. - if isEOF { - return d.consumeToken(EOF, 0, 0), nil - } - return d.parseFieldName() - - case MessageOpen: - // Next token can be MessageClose or Name. - if isEOF { - return Token{}, ErrUnexpectedEOF - } - switch ch := d.in[0]; ch { - case closeCh: - d.popOpenStack() - return d.consumeToken(MessageClose, 1, 0), nil - case otherCloseChar[closeCh]: - return Token{}, d.newSyntaxError(mismatchedFmt, ch) - default: - return d.parseFieldName() - } - - case ListOpen: - if lastKind == semicolon { - // It is not be possible to have this case as logic here - // should not have produced a semicolon Token when inside a - // list. Let it panic below. - break - } - // Next token can be MessageOpen or Scalar. - if isEOF { - return Token{}, ErrUnexpectedEOF - } - switch ch := d.in[0]; ch { - case '{', '<': - d.pushOpenStack(ch) - return d.consumeToken(MessageOpen, 1, 0), nil - default: - return d.parseScalar() - } - } - } - - line, column := d.Position(len(d.orig) - len(d.in)) - panic(fmt.Sprintf("Decoder.parseNext: bug at handling line %d:%d with lastKind=%v", line, column, lastKind)) -} - -var otherCloseChar = map[byte]byte{ - '}': '>', - '>': '}', -} - -// currentOpenKind indicates whether current position is inside a message, list -// or top-level message by returning MessageOpen, ListOpen or bof respectively. -// If the returned kind is either a MessageOpen or ListOpen, it also returns the -// corresponding closing character. -func (d *Decoder) currentOpenKind() (Kind, byte) { - if len(d.openStack) == 0 { - return bof, 0 - } - openCh := d.openStack[len(d.openStack)-1] - switch openCh { - case '{': - return MessageOpen, '}' - case '<': - return MessageOpen, '>' - case '[': - return ListOpen, ']' - } - panic(fmt.Sprintf("Decoder: openStack contains invalid byte %c", openCh)) -} - -func (d *Decoder) pushOpenStack(ch byte) { - d.openStack = append(d.openStack, ch) -} - -func (d *Decoder) popOpenStack() { - d.openStack = d.openStack[:len(d.openStack)-1] -} - -// parseFieldName parses field name and separator. -func (d *Decoder) parseFieldName() (tok Token, err error) { - defer func() { - if err == nil && d.tryConsumeChar(':') { - tok.attrs |= hasSeparator - } - }() - - // Extension or Any type URL. - if d.in[0] == '[' { - return d.parseTypeName() - } - - // Identifier. - if size := parseIdent(d.in, false); size > 0 { - return d.consumeToken(Name, size, uint8(IdentName)), nil - } - - // Field number. Identify if input is a valid number that is not negative - // and is decimal integer within 32-bit range. - if num := parseNumber(d.in); num.size > 0 { - str := num.string(d.in) - if !num.neg && num.kind == numDec { - if _, err := strconv.ParseInt(str, 10, 32); err == nil { - return d.consumeToken(Name, num.size, uint8(FieldNumber)), nil - } - } - return Token{}, d.newSyntaxError("invalid field number: %s", str) - } - - return Token{}, d.newSyntaxError("invalid field name: %s", errId(d.in)) -} - -// parseTypeName parses Any type URL or extension field name. The name is -// enclosed in [ and ] characters. The C++ parser does not handle many legal URL -// strings. This implementation is more liberal and allows for the pattern -// ^[-_a-zA-Z0-9]+([./][-_a-zA-Z0-9]+)*`). Whitespaces and comments are allowed -// in between [ ], '.', '/' and the sub names. -func (d *Decoder) parseTypeName() (Token, error) { - startPos := len(d.orig) - len(d.in) - // Use alias s to advance first in order to use d.in for error handling. - // Caller already checks for [ as first character. - s := consume(d.in[1:], 0) - if len(s) == 0 { - return Token{}, ErrUnexpectedEOF - } - - var name []byte - for len(s) > 0 && isTypeNameChar(s[0]) { - name = append(name, s[0]) - s = s[1:] - } - s = consume(s, 0) - - var closed bool - for len(s) > 0 && !closed { - switch { - case s[0] == ']': - s = s[1:] - closed = true - - case s[0] == '/', s[0] == '.': - if len(name) > 0 && (name[len(name)-1] == '/' || name[len(name)-1] == '.') { - return Token{}, d.newSyntaxError("invalid type URL/extension field name: %s", - d.orig[startPos:len(d.orig)-len(s)+1]) - } - name = append(name, s[0]) - s = s[1:] - s = consume(s, 0) - for len(s) > 0 && isTypeNameChar(s[0]) { - name = append(name, s[0]) - s = s[1:] - } - s = consume(s, 0) - - default: - return Token{}, d.newSyntaxError( - "invalid type URL/extension field name: %s", d.orig[startPos:len(d.orig)-len(s)+1]) - } - } - - if !closed { - return Token{}, ErrUnexpectedEOF - } - - // First character cannot be '.'. Last character cannot be '.' or '/'. - size := len(name) - if size == 0 || name[0] == '.' || name[size-1] == '.' || name[size-1] == '/' { - return Token{}, d.newSyntaxError("invalid type URL/extension field name: %s", - d.orig[startPos:len(d.orig)-len(s)]) - } - - d.in = s - endPos := len(d.orig) - len(d.in) - d.consume(0) - - return Token{ - kind: Name, - attrs: uint8(TypeName), - pos: startPos, - raw: d.orig[startPos:endPos], - str: string(name), - }, nil -} - -func isTypeNameChar(b byte) bool { - return (b == '-' || b == '_' || - ('0' <= b && b <= '9') || - ('a' <= b && b <= 'z') || - ('A' <= b && b <= 'Z')) -} - -func isWhiteSpace(b byte) bool { - switch b { - case ' ', '\n', '\r', '\t': - return true - default: - return false - } -} - -// parseIdent parses an unquoted proto identifier and returns size. -// If allowNeg is true, it allows '-' to be the first character in the -// identifier. This is used when parsing literal values like -infinity, etc. -// Regular expression matches an identifier: `^[_a-zA-Z][_a-zA-Z0-9]*` -func parseIdent(input []byte, allowNeg bool) int { - var size int - - s := input - if len(s) == 0 { - return 0 - } - - if allowNeg && s[0] == '-' { - s = s[1:] - size++ - if len(s) == 0 { - return 0 - } - } - - switch { - case s[0] == '_', - 'a' <= s[0] && s[0] <= 'z', - 'A' <= s[0] && s[0] <= 'Z': - s = s[1:] - size++ - default: - return 0 - } - - for len(s) > 0 && (s[0] == '_' || - 'a' <= s[0] && s[0] <= 'z' || - 'A' <= s[0] && s[0] <= 'Z' || - '0' <= s[0] && s[0] <= '9') { - s = s[1:] - size++ - } - - if len(s) > 0 && !isDelim(s[0]) { - return 0 - } - - return size -} - -// parseScalar parses for a string, literal or number value. -func (d *Decoder) parseScalar() (Token, error) { - if d.in[0] == '"' || d.in[0] == '\'' { - return d.parseStringValue() - } - - if tok, ok := d.parseLiteralValue(); ok { - return tok, nil - } - - if tok, ok := d.parseNumberValue(); ok { - return tok, nil - } - - return Token{}, d.newSyntaxError("invalid scalar value: %s", errId(d.in)) -} - -// parseLiteralValue parses a literal value. A literal value is used for -// bools, special floats and enums. This function simply identifies that the -// field value is a literal. -func (d *Decoder) parseLiteralValue() (Token, bool) { - size := parseIdent(d.in, true) - if size == 0 { - return Token{}, false - } - return d.consumeToken(Scalar, size, literalValue), true -} - -// consumeToken constructs a Token for given Kind from d.in and consumes given -// size-length from it. -func (d *Decoder) consumeToken(kind Kind, size int, attrs uint8) Token { - // Important to compute raw and pos before consuming. - tok := Token{ - kind: kind, - attrs: attrs, - pos: len(d.orig) - len(d.in), - raw: d.in[:size], - } - d.consume(size) - return tok -} - -// newSyntaxError returns a syntax error with line and column information for -// current position. -func (d *Decoder) newSyntaxError(f string, x ...any) error { - e := errors.New(f, x...) - line, column := d.Position(len(d.orig) - len(d.in)) - return errors.New("syntax error (line %d:%d): %v", line, column, e) -} - -// Position returns line and column number of given index of the original input. -// It will panic if index is out of range. -func (d *Decoder) Position(idx int) (line int, column int) { - b := d.orig[:idx] - line = bytes.Count(b, []byte("\n")) + 1 - if i := bytes.LastIndexByte(b, '\n'); i >= 0 { - b = b[i+1:] - } - column = utf8.RuneCount(b) + 1 // ignore multi-rune characters - return line, column -} - -func (d *Decoder) tryConsumeChar(c byte) bool { - if len(d.in) > 0 && d.in[0] == c { - d.consume(1) - return true - } - return false -} - -// consume consumes n bytes of input and any subsequent whitespace or comments. -func (d *Decoder) consume(n int) { - d.in = consume(d.in, n) - return -} - -// consume consumes n bytes of input and any subsequent whitespace or comments. -func consume(b []byte, n int) []byte { - b = b[n:] - for len(b) > 0 { - switch b[0] { - case ' ', '\n', '\r', '\t': - b = b[1:] - case '#': - if i := bytes.IndexByte(b, '\n'); i >= 0 { - b = b[i+len("\n"):] - } else { - b = nil - } - default: - return b - } - } - return b -} - -// errId extracts a byte sequence that looks like an invalid ID -// (for the purposes of error reporting). -func errId(seq []byte) []byte { - const maxLen = 32 - for i := 0; i < len(seq); { - if i > maxLen { - return append(seq[:i:i], "…"...) - } - r, size := utf8.DecodeRune(seq[i:]) - if r > utf8.RuneSelf || (r != '/' && isDelim(byte(r))) { - if i == 0 { - // Either the first byte is invalid UTF-8 or a - // delimiter, or the first rune is non-ASCII. - // Return it as-is. - i = size - } - return seq[:i:i] - } - i += size - } - // No delimiter found. - return seq -} - -// isDelim returns true if given byte is a delimiter character. -func isDelim(c byte) bool { - return !(c == '-' || c == '+' || c == '.' || c == '_' || - ('a' <= c && c <= 'z') || - ('A' <= c && c <= 'Z') || - ('0' <= c && c <= '9')) -} diff --git a/vendor/google.golang.org/protobuf/internal/encoding/text/decode_number.go b/vendor/google.golang.org/protobuf/internal/encoding/text/decode_number.go deleted file mode 100644 index 45c81f029..000000000 --- a/vendor/google.golang.org/protobuf/internal/encoding/text/decode_number.go +++ /dev/null @@ -1,211 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package text - -// parseNumberValue parses a number from the input and returns a Token object. -func (d *Decoder) parseNumberValue() (Token, bool) { - in := d.in - num := parseNumber(in) - if num.size == 0 { - return Token{}, false - } - numAttrs := num.kind - if num.neg { - numAttrs |= isNegative - } - tok := Token{ - kind: Scalar, - attrs: numberValue, - pos: len(d.orig) - len(d.in), - raw: d.in[:num.size], - str: num.string(d.in), - numAttrs: numAttrs, - } - d.consume(num.size) - return tok, true -} - -const ( - numDec uint8 = (1 << iota) / 2 - numHex - numOct - numFloat -) - -// number is the result of parsing out a valid number from parseNumber. It -// contains data for doing float or integer conversion via the strconv package -// in conjunction with the input bytes. -type number struct { - kind uint8 - neg bool - size int - // if neg, this is the length of whitespace and comments between - // the minus sign and the rest fo the number literal - sep int -} - -func (num number) string(data []byte) string { - strSize := num.size - last := num.size - 1 - if num.kind == numFloat && (data[last] == 'f' || data[last] == 'F') { - strSize = last - } - if num.neg && num.sep > 0 { - // strip whitespace/comments between negative sign and the rest - strLen := strSize - num.sep - str := make([]byte, strLen) - str[0] = data[0] - copy(str[1:], data[num.sep+1:strSize]) - return string(str) - } - return string(data[:strSize]) - -} - -// parseNumber constructs a number object from given input. It allows for the -// following patterns: -// -// integer: ^-?([1-9][0-9]*|0[xX][0-9a-fA-F]+|0[0-7]*) -// float: ^-?((0|[1-9][0-9]*)?([.][0-9]*)?([eE][+-]?[0-9]+)?[fF]?) -// -// It also returns the number of parsed bytes for the given number, 0 if it is -// not a number. -func parseNumber(input []byte) number { - kind := numDec - var size int - var neg bool - - s := input - if len(s) == 0 { - return number{} - } - - // Optional - - var sep int - if s[0] == '-' { - neg = true - s = s[1:] - size++ - // Consume any whitespace or comments between the - // negative sign and the rest of the number - lenBefore := len(s) - s = consume(s, 0) - sep = lenBefore - len(s) - size += sep - if len(s) == 0 { - return number{} - } - } - - switch { - case s[0] == '0': - if len(s) > 1 { - switch { - case s[1] == 'x' || s[1] == 'X': - // Parse as hex number. - kind = numHex - n := 2 - s = s[2:] - for len(s) > 0 && (('0' <= s[0] && s[0] <= '9') || - ('a' <= s[0] && s[0] <= 'f') || - ('A' <= s[0] && s[0] <= 'F')) { - s = s[1:] - n++ - } - if n == 2 { - return number{} - } - size += n - - case '0' <= s[1] && s[1] <= '7': - // Parse as octal number. - kind = numOct - n := 2 - s = s[2:] - for len(s) > 0 && '0' <= s[0] && s[0] <= '7' { - s = s[1:] - n++ - } - size += n - } - - if kind&(numHex|numOct) > 0 { - if len(s) > 0 && !isDelim(s[0]) { - return number{} - } - return number{kind: kind, neg: neg, size: size, sep: sep} - } - } - s = s[1:] - size++ - - case '1' <= s[0] && s[0] <= '9': - n := 1 - s = s[1:] - for len(s) > 0 && '0' <= s[0] && s[0] <= '9' { - s = s[1:] - n++ - } - size += n - - case s[0] == '.': - // Set kind to numFloat to signify the intent to parse as float. And - // that it needs to have other digits after '.'. - kind = numFloat - - default: - return number{} - } - - // . followed by 0 or more digits. - if len(s) > 0 && s[0] == '.' { - n := 1 - s = s[1:] - // If decimal point was before any digits, it should be followed by - // other digits. - if len(s) == 0 && kind == numFloat { - return number{} - } - for len(s) > 0 && '0' <= s[0] && s[0] <= '9' { - s = s[1:] - n++ - } - size += n - kind = numFloat - } - - // e or E followed by an optional - or + and 1 or more digits. - if len(s) >= 2 && (s[0] == 'e' || s[0] == 'E') { - kind = numFloat - s = s[1:] - n := 1 - if s[0] == '+' || s[0] == '-' { - s = s[1:] - n++ - if len(s) == 0 { - return number{} - } - } - for len(s) > 0 && '0' <= s[0] && s[0] <= '9' { - s = s[1:] - n++ - } - size += n - } - - // Optional suffix f or F for floats. - if len(s) > 0 && (s[0] == 'f' || s[0] == 'F') { - kind = numFloat - s = s[1:] - size++ - } - - // Check that next byte is a delimiter or it is at the end. - if len(s) > 0 && !isDelim(s[0]) { - return number{} - } - - return number{kind: kind, neg: neg, size: size, sep: sep} -} diff --git a/vendor/google.golang.org/protobuf/internal/encoding/text/decode_string.go b/vendor/google.golang.org/protobuf/internal/encoding/text/decode_string.go deleted file mode 100644 index d4d349023..000000000 --- a/vendor/google.golang.org/protobuf/internal/encoding/text/decode_string.go +++ /dev/null @@ -1,161 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package text - -import ( - "bytes" - "strconv" - "strings" - "unicode" - "unicode/utf16" - "unicode/utf8" - - "google.golang.org/protobuf/internal/strs" -) - -// parseStringValue parses string field token. -// This differs from parseString since the text format allows -// multiple back-to-back string literals where they are semantically treated -// as a single large string with all values concatenated. -// -// E.g., `"foo" "bar" "baz"` => "foobarbaz" -func (d *Decoder) parseStringValue() (Token, error) { - // Note that the ending quote is sufficient to unambiguously mark the end - // of a string. Thus, the text grammar does not require intervening - // whitespace or control characters in-between strings. - // Thus, the following is valid: - // `"foo"'bar'"baz"` => "foobarbaz" - in0 := d.in - var ss []string - for len(d.in) > 0 && (d.in[0] == '"' || d.in[0] == '\'') { - s, err := d.parseString() - if err != nil { - return Token{}, err - } - ss = append(ss, s) - } - // d.in already points to the end of the value at this point. - return Token{ - kind: Scalar, - attrs: stringValue, - pos: len(d.orig) - len(in0), - raw: in0[:len(in0)-len(d.in)], - str: strings.Join(ss, ""), - }, nil -} - -// parseString parses a string value enclosed in " or '. -func (d *Decoder) parseString() (string, error) { - in := d.in - if len(in) == 0 { - return "", ErrUnexpectedEOF - } - quote := in[0] - in = in[1:] - i := indexNeedEscapeInBytes(in) - in, out := in[i:], in[:i:i] // set cap to prevent mutations - for len(in) > 0 { - switch r, n := utf8.DecodeRune(in); { - case r == utf8.RuneError && n == 1: - return "", d.newSyntaxError("invalid UTF-8 detected") - case r == 0 || r == '\n': - return "", d.newSyntaxError("invalid character %q in string", r) - case r == rune(quote): - in = in[1:] - d.consume(len(d.in) - len(in)) - return string(out), nil - case r == '\\': - if len(in) < 2 { - return "", ErrUnexpectedEOF - } - switch r := in[1]; r { - case '"', '\'', '\\', '?': - in, out = in[2:], append(out, r) - case 'a': - in, out = in[2:], append(out, '\a') - case 'b': - in, out = in[2:], append(out, '\b') - case 'n': - in, out = in[2:], append(out, '\n') - case 'r': - in, out = in[2:], append(out, '\r') - case 't': - in, out = in[2:], append(out, '\t') - case 'v': - in, out = in[2:], append(out, '\v') - case 'f': - in, out = in[2:], append(out, '\f') - case '0', '1', '2', '3', '4', '5', '6', '7': - // One, two, or three octal characters. - n := len(in[1:]) - len(bytes.TrimLeft(in[1:], "01234567")) - if n > 3 { - n = 3 - } - v, err := strconv.ParseUint(string(in[1:1+n]), 8, 8) - if err != nil { - return "", d.newSyntaxError("invalid octal escape code %q in string", in[:1+n]) - } - in, out = in[1+n:], append(out, byte(v)) - case 'x': - // One or two hexadecimal characters. - n := len(in[2:]) - len(bytes.TrimLeft(in[2:], "0123456789abcdefABCDEF")) - if n > 2 { - n = 2 - } - v, err := strconv.ParseUint(string(in[2:2+n]), 16, 8) - if err != nil { - return "", d.newSyntaxError("invalid hex escape code %q in string", in[:2+n]) - } - in, out = in[2+n:], append(out, byte(v)) - case 'u', 'U': - // Four or eight hexadecimal characters - n := 6 - if r == 'U' { - n = 10 - } - if len(in) < n { - return "", ErrUnexpectedEOF - } - v, err := strconv.ParseUint(string(in[2:n]), 16, 32) - if utf8.MaxRune < v || err != nil { - return "", d.newSyntaxError("invalid Unicode escape code %q in string", in[:n]) - } - in = in[n:] - - r := rune(v) - if utf16.IsSurrogate(r) { - if len(in) < 6 { - return "", ErrUnexpectedEOF - } - v, err := strconv.ParseUint(string(in[2:6]), 16, 16) - r = utf16.DecodeRune(r, rune(v)) - if in[0] != '\\' || in[1] != 'u' || r == unicode.ReplacementChar || err != nil { - return "", d.newSyntaxError("invalid Unicode escape code %q in string", in[:6]) - } - in = in[6:] - } - out = append(out, string(r)...) - default: - return "", d.newSyntaxError("invalid escape code %q in string", in[:2]) - } - default: - i := indexNeedEscapeInBytes(in[n:]) - in, out = in[n+i:], append(out, in[:n+i]...) - } - } - return "", ErrUnexpectedEOF -} - -// indexNeedEscapeInString returns the index of the character that needs -// escaping. If no characters need escaping, this returns the input length. -func indexNeedEscapeInBytes(b []byte) int { return indexNeedEscapeInString(strs.UnsafeString(b)) } - -// UnmarshalString returns an unescaped string given a textproto string value. -// String value needs to contain single or double quotes. This is only used by -// internal/encoding/defval package for unmarshaling bytes. -func UnmarshalString(s string) (string, error) { - d := NewDecoder([]byte(s)) - return d.parseString() -} diff --git a/vendor/google.golang.org/protobuf/internal/encoding/text/decode_token.go b/vendor/google.golang.org/protobuf/internal/encoding/text/decode_token.go deleted file mode 100644 index 83d2b0d5a..000000000 --- a/vendor/google.golang.org/protobuf/internal/encoding/text/decode_token.go +++ /dev/null @@ -1,373 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package text - -import ( - "bytes" - "fmt" - "math" - "strconv" - "strings" - - "google.golang.org/protobuf/internal/flags" -) - -// Kind represents a token kind expressible in the textproto format. -type Kind uint8 - -// Kind values. -const ( - Invalid Kind = iota - EOF - Name // Name indicates the field name. - Scalar // Scalar are scalar values, e.g. "string", 47, ENUM_LITERAL, true. - MessageOpen - MessageClose - ListOpen - ListClose - - // comma and semi-colon are only for parsing in between values and should not be exposed. - comma - semicolon - - // bof indicates beginning of file, which is the default token - // kind at the beginning of parsing. - bof = Invalid -) - -func (t Kind) String() string { - switch t { - case Invalid: - return "<invalid>" - case EOF: - return "eof" - case Scalar: - return "scalar" - case Name: - return "name" - case MessageOpen: - return "{" - case MessageClose: - return "}" - case ListOpen: - return "[" - case ListClose: - return "]" - case comma: - return "," - case semicolon: - return ";" - default: - return fmt.Sprintf("<invalid:%v>", uint8(t)) - } -} - -// NameKind represents different types of field names. -type NameKind uint8 - -// NameKind values. -const ( - IdentName NameKind = iota + 1 - TypeName - FieldNumber -) - -func (t NameKind) String() string { - switch t { - case IdentName: - return "IdentName" - case TypeName: - return "TypeName" - case FieldNumber: - return "FieldNumber" - default: - return fmt.Sprintf("<invalid:%v>", uint8(t)) - } -} - -// Bit mask in Token.attrs to indicate if a Name token is followed by the -// separator char ':'. The field name separator char is optional for message -// field or repeated message field, but required for all other types. Decoder -// simply indicates whether a Name token is followed by separator or not. It is -// up to the prototext package to validate. -const hasSeparator = 1 << 7 - -// Scalar value types. -const ( - numberValue = iota + 1 - stringValue - literalValue -) - -// Bit mask in Token.numAttrs to indicate that the number is a negative. -const isNegative = 1 << 7 - -// Token provides a parsed token kind and value. Values are provided by the -// different accessor methods. -type Token struct { - // Kind of the Token object. - kind Kind - // attrs contains metadata for the following Kinds: - // Name: hasSeparator bit and one of NameKind. - // Scalar: one of numberValue, stringValue, literalValue. - attrs uint8 - // numAttrs contains metadata for numberValue: - // - highest bit is whether negative or positive. - // - lower bits indicate one of numDec, numHex, numOct, numFloat. - numAttrs uint8 - // pos provides the position of the token in the original input. - pos int - // raw bytes of the serialized token. - // This is a subslice into the original input. - raw []byte - // str contains parsed string for the following: - // - stringValue of Scalar kind - // - numberValue of Scalar kind - // - TypeName of Name kind - str string -} - -// Kind returns the token kind. -func (t Token) Kind() Kind { - return t.kind -} - -// RawString returns the read value in string. -func (t Token) RawString() string { - return string(t.raw) -} - -// Pos returns the token position from the input. -func (t Token) Pos() int { - return t.pos -} - -// NameKind returns IdentName, TypeName or FieldNumber. -// It panics if type is not Name. -func (t Token) NameKind() NameKind { - if t.kind == Name { - return NameKind(t.attrs &^ hasSeparator) - } - panic(fmt.Sprintf("Token is not a Name type: %s", t.kind)) -} - -// HasSeparator returns true if the field name is followed by the separator char -// ':', else false. It panics if type is not Name. -func (t Token) HasSeparator() bool { - if t.kind == Name { - return t.attrs&hasSeparator != 0 - } - panic(fmt.Sprintf("Token is not a Name type: %s", t.kind)) -} - -// IdentName returns the value for IdentName type. -func (t Token) IdentName() string { - if t.kind == Name && t.attrs&uint8(IdentName) != 0 { - return string(t.raw) - } - panic(fmt.Sprintf("Token is not an IdentName: %s:%s", t.kind, NameKind(t.attrs&^hasSeparator))) -} - -// TypeName returns the value for TypeName type. -func (t Token) TypeName() string { - if t.kind == Name && t.attrs&uint8(TypeName) != 0 { - return t.str - } - panic(fmt.Sprintf("Token is not a TypeName: %s:%s", t.kind, NameKind(t.attrs&^hasSeparator))) -} - -// FieldNumber returns the value for FieldNumber type. It returns a -// non-negative int32 value. Caller will still need to validate for the correct -// field number range. -func (t Token) FieldNumber() int32 { - if t.kind != Name || t.attrs&uint8(FieldNumber) == 0 { - panic(fmt.Sprintf("Token is not a FieldNumber: %s:%s", t.kind, NameKind(t.attrs&^hasSeparator))) - } - // Following should not return an error as it had already been called right - // before this Token was constructed. - num, _ := strconv.ParseInt(string(t.raw), 10, 32) - return int32(num) -} - -// String returns the string value for a Scalar type. -func (t Token) String() (string, bool) { - if t.kind != Scalar || t.attrs != stringValue { - return "", false - } - return t.str, true -} - -// Enum returns the literal value for a Scalar type for use as enum literals. -func (t Token) Enum() (string, bool) { - if t.kind != Scalar || t.attrs != literalValue || (len(t.raw) > 0 && t.raw[0] == '-') { - return "", false - } - return string(t.raw), true -} - -// Bool returns the bool value for a Scalar type. -func (t Token) Bool() (bool, bool) { - if t.kind != Scalar { - return false, false - } - switch t.attrs { - case literalValue: - if b, ok := boolLits[string(t.raw)]; ok { - return b, true - } - case numberValue: - // Unsigned integer representation of 0 or 1 is permitted: 00, 0x0, 01, - // 0x1, etc. - n, err := strconv.ParseUint(t.str, 0, 64) - if err == nil { - switch n { - case 0: - return false, true - case 1: - return true, true - } - } - } - return false, false -} - -// These exact boolean literals are the ones supported in C++. -var boolLits = map[string]bool{ - "t": true, - "true": true, - "True": true, - "f": false, - "false": false, - "False": false, -} - -// Uint64 returns the uint64 value for a Scalar type. -func (t Token) Uint64() (uint64, bool) { - if t.kind != Scalar || t.attrs != numberValue || - t.numAttrs&isNegative > 0 || t.numAttrs&numFloat > 0 { - return 0, false - } - n, err := strconv.ParseUint(t.str, 0, 64) - if err != nil { - return 0, false - } - return n, true -} - -// Uint32 returns the uint32 value for a Scalar type. -func (t Token) Uint32() (uint32, bool) { - if t.kind != Scalar || t.attrs != numberValue || - t.numAttrs&isNegative > 0 || t.numAttrs&numFloat > 0 { - return 0, false - } - n, err := strconv.ParseUint(t.str, 0, 32) - if err != nil { - return 0, false - } - return uint32(n), true -} - -// Int64 returns the int64 value for a Scalar type. -func (t Token) Int64() (int64, bool) { - if t.kind != Scalar || t.attrs != numberValue || t.numAttrs&numFloat > 0 { - return 0, false - } - if n, err := strconv.ParseInt(t.str, 0, 64); err == nil { - return n, true - } - // C++ accepts large positive hex numbers as negative values. - // This feature is here for proto1 backwards compatibility purposes. - if flags.ProtoLegacy && (t.numAttrs == numHex) { - if n, err := strconv.ParseUint(t.str, 0, 64); err == nil { - return int64(n), true - } - } - return 0, false -} - -// Int32 returns the int32 value for a Scalar type. -func (t Token) Int32() (int32, bool) { - if t.kind != Scalar || t.attrs != numberValue || t.numAttrs&numFloat > 0 { - return 0, false - } - if n, err := strconv.ParseInt(t.str, 0, 32); err == nil { - return int32(n), true - } - // C++ accepts large positive hex numbers as negative values. - // This feature is here for proto1 backwards compatibility purposes. - if flags.ProtoLegacy && (t.numAttrs == numHex) { - if n, err := strconv.ParseUint(t.str, 0, 32); err == nil { - return int32(n), true - } - } - return 0, false -} - -// Float64 returns the float64 value for a Scalar type. -func (t Token) Float64() (float64, bool) { - if t.kind != Scalar { - return 0, false - } - switch t.attrs { - case literalValue: - if f, ok := floatLits[strings.ToLower(string(t.raw))]; ok { - return f, true - } - case numberValue: - n, err := strconv.ParseFloat(t.str, 64) - if err == nil { - return n, true - } - nerr := err.(*strconv.NumError) - if nerr.Err == strconv.ErrRange { - return n, true - } - } - return 0, false -} - -// Float32 returns the float32 value for a Scalar type. -func (t Token) Float32() (float32, bool) { - if t.kind != Scalar { - return 0, false - } - switch t.attrs { - case literalValue: - if f, ok := floatLits[strings.ToLower(string(t.raw))]; ok { - return float32(f), true - } - case numberValue: - n, err := strconv.ParseFloat(t.str, 64) - if err == nil { - // Overflows are treated as (-)infinity. - return float32(n), true - } - nerr := err.(*strconv.NumError) - if nerr.Err == strconv.ErrRange { - return float32(n), true - } - } - return 0, false -} - -// These are the supported float literals which C++ permits case-insensitive -// variants of these. -var floatLits = map[string]float64{ - "nan": math.NaN(), - "inf": math.Inf(1), - "infinity": math.Inf(1), - "-inf": math.Inf(-1), - "-infinity": math.Inf(-1), -} - -// TokenEquals returns true if given Tokens are equal, else false. -func TokenEquals(x, y Token) bool { - return x.kind == y.kind && - x.attrs == y.attrs && - x.numAttrs == y.numAttrs && - x.pos == y.pos && - bytes.Equal(x.raw, y.raw) && - x.str == y.str -} diff --git a/vendor/google.golang.org/protobuf/internal/encoding/text/doc.go b/vendor/google.golang.org/protobuf/internal/encoding/text/doc.go deleted file mode 100644 index 7ae6c2a3c..000000000 --- a/vendor/google.golang.org/protobuf/internal/encoding/text/doc.go +++ /dev/null @@ -1,29 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// Package text implements the text format for protocol buffers. -// This package has no semantic understanding for protocol buffers and is only -// a parser and composer for the format. -// -// There is no formal specification for the protobuf text format, as such the -// C++ implementation (see google::protobuf::TextFormat) is the reference -// implementation of the text format. -// -// This package is neither a superset nor a subset of the C++ implementation. -// This implementation permits a more liberal grammar in some cases to be -// backwards compatible with the historical Go implementation. -// Future parsings unique to Go should not be added. -// Some grammars allowed by the C++ implementation are deliberately -// not implemented here because they are considered a bug by the protobuf team -// and should not be replicated. -// -// The Go implementation should implement a sufficient amount of the C++ -// grammar such that the default text serialization by C++ can be parsed by Go. -// However, just because the C++ parser accepts some input does not mean that -// the Go implementation should as well. -// -// The text format is almost a superset of JSON except: -// - message keys are not quoted strings, but identifiers -// - the top-level value must be a message without the delimiters -package text diff --git a/vendor/google.golang.org/protobuf/internal/encoding/text/encode.go b/vendor/google.golang.org/protobuf/internal/encoding/text/encode.go deleted file mode 100644 index cf7aed77b..000000000 --- a/vendor/google.golang.org/protobuf/internal/encoding/text/encode.go +++ /dev/null @@ -1,272 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package text - -import ( - "math" - "math/bits" - "strconv" - "strings" - "unicode/utf8" - - "google.golang.org/protobuf/internal/detrand" - "google.golang.org/protobuf/internal/errors" -) - -// encType represents an encoding type. -type encType uint8 - -const ( - _ encType = (1 << iota) / 2 - name - scalar - messageOpen - messageClose -) - -// Encoder provides methods to write out textproto constructs and values. The user is -// responsible for producing valid sequences of constructs and values. -type Encoder struct { - encoderState - - indent string - delims [2]byte - outputASCII bool -} - -type encoderState struct { - lastType encType - indents []byte - out []byte -} - -// NewEncoder returns an Encoder. -// -// If indent is a non-empty string, it causes every entry in a List or Message -// to be preceded by the indent and trailed by a newline. -// -// If delims is not the zero value, it controls the delimiter characters used -// for messages (e.g., "{}" vs "<>"). -// -// If outputASCII is true, strings will be serialized in such a way that -// multi-byte UTF-8 sequences are escaped. This property ensures that the -// overall output is ASCII (as opposed to UTF-8). -func NewEncoder(buf []byte, indent string, delims [2]byte, outputASCII bool) (*Encoder, error) { - e := &Encoder{ - encoderState: encoderState{out: buf}, - } - if len(indent) > 0 { - if strings.Trim(indent, " \t") != "" { - return nil, errors.New("indent may only be composed of space and tab characters") - } - e.indent = indent - } - switch delims { - case [2]byte{0, 0}: - e.delims = [2]byte{'{', '}'} - case [2]byte{'{', '}'}, [2]byte{'<', '>'}: - e.delims = delims - default: - return nil, errors.New("delimiters may only be \"{}\" or \"<>\"") - } - e.outputASCII = outputASCII - - return e, nil -} - -// Bytes returns the content of the written bytes. -func (e *Encoder) Bytes() []byte { - return e.out -} - -// StartMessage writes out the '{' or '<' symbol. -func (e *Encoder) StartMessage() { - e.prepareNext(messageOpen) - e.out = append(e.out, e.delims[0]) -} - -// EndMessage writes out the '}' or '>' symbol. -func (e *Encoder) EndMessage() { - e.prepareNext(messageClose) - e.out = append(e.out, e.delims[1]) -} - -// WriteName writes out the field name and the separator ':'. -func (e *Encoder) WriteName(s string) { - e.prepareNext(name) - e.out = append(e.out, s...) - e.out = append(e.out, ':') -} - -// WriteBool writes out the given boolean value. -func (e *Encoder) WriteBool(b bool) { - if b { - e.WriteLiteral("true") - } else { - e.WriteLiteral("false") - } -} - -// WriteString writes out the given string value. -func (e *Encoder) WriteString(s string) { - e.prepareNext(scalar) - e.out = appendString(e.out, s, e.outputASCII) -} - -func appendString(out []byte, in string, outputASCII bool) []byte { - out = append(out, '"') - i := indexNeedEscapeInString(in) - in, out = in[i:], append(out, in[:i]...) - for len(in) > 0 { - switch r, n := utf8.DecodeRuneInString(in); { - case r == utf8.RuneError && n == 1: - // We do not report invalid UTF-8 because strings in the text format - // are used to represent both the proto string and bytes type. - r = rune(in[0]) - fallthrough - case r < ' ' || r == '"' || r == '\\' || r == 0x7f: - out = append(out, '\\') - switch r { - case '"', '\\': - out = append(out, byte(r)) - case '\n': - out = append(out, 'n') - case '\r': - out = append(out, 'r') - case '\t': - out = append(out, 't') - default: - out = append(out, 'x') - out = append(out, "00"[1+(bits.Len32(uint32(r))-1)/4:]...) - out = strconv.AppendUint(out, uint64(r), 16) - } - in = in[n:] - case r >= utf8.RuneSelf && (outputASCII || r <= 0x009f): - out = append(out, '\\') - if r <= math.MaxUint16 { - out = append(out, 'u') - out = append(out, "0000"[1+(bits.Len32(uint32(r))-1)/4:]...) - out = strconv.AppendUint(out, uint64(r), 16) - } else { - out = append(out, 'U') - out = append(out, "00000000"[1+(bits.Len32(uint32(r))-1)/4:]...) - out = strconv.AppendUint(out, uint64(r), 16) - } - in = in[n:] - default: - i := indexNeedEscapeInString(in[n:]) - in, out = in[n+i:], append(out, in[:n+i]...) - } - } - out = append(out, '"') - return out -} - -// indexNeedEscapeInString returns the index of the character that needs -// escaping. If no characters need escaping, this returns the input length. -func indexNeedEscapeInString(s string) int { - for i := 0; i < len(s); i++ { - if c := s[i]; c < ' ' || c == '"' || c == '\'' || c == '\\' || c >= 0x7f { - return i - } - } - return len(s) -} - -// WriteFloat writes out the given float value for given bitSize. -func (e *Encoder) WriteFloat(n float64, bitSize int) { - e.prepareNext(scalar) - e.out = appendFloat(e.out, n, bitSize) -} - -func appendFloat(out []byte, n float64, bitSize int) []byte { - switch { - case math.IsNaN(n): - return append(out, "nan"...) - case math.IsInf(n, +1): - return append(out, "inf"...) - case math.IsInf(n, -1): - return append(out, "-inf"...) - default: - return strconv.AppendFloat(out, n, 'g', -1, bitSize) - } -} - -// WriteInt writes out the given signed integer value. -func (e *Encoder) WriteInt(n int64) { - e.prepareNext(scalar) - e.out = strconv.AppendInt(e.out, n, 10) -} - -// WriteUint writes out the given unsigned integer value. -func (e *Encoder) WriteUint(n uint64) { - e.prepareNext(scalar) - e.out = strconv.AppendUint(e.out, n, 10) -} - -// WriteLiteral writes out the given string as a literal value without quotes. -// This is used for writing enum literal strings. -func (e *Encoder) WriteLiteral(s string) { - e.prepareNext(scalar) - e.out = append(e.out, s...) -} - -// prepareNext adds possible space and indentation for the next value based -// on last encType and indent option. It also updates e.lastType to next. -func (e *Encoder) prepareNext(next encType) { - defer func() { - e.lastType = next - }() - - // Single line. - if len(e.indent) == 0 { - // Add space after each field before the next one. - if e.lastType&(scalar|messageClose) != 0 && next == name { - e.out = append(e.out, ' ') - // Add a random extra space to make output unstable. - if detrand.Bool() { - e.out = append(e.out, ' ') - } - } - return - } - - // Multi-line. - switch { - case e.lastType == name: - e.out = append(e.out, ' ') - // Add a random extra space after name: to make output unstable. - if detrand.Bool() { - e.out = append(e.out, ' ') - } - - case e.lastType == messageOpen && next != messageClose: - e.indents = append(e.indents, e.indent...) - e.out = append(e.out, '\n') - e.out = append(e.out, e.indents...) - - case e.lastType&(scalar|messageClose) != 0: - if next == messageClose { - e.indents = e.indents[:len(e.indents)-len(e.indent)] - } - e.out = append(e.out, '\n') - e.out = append(e.out, e.indents...) - } -} - -// Snapshot returns the current snapshot for use in Reset. -func (e *Encoder) Snapshot() encoderState { - return e.encoderState -} - -// Reset resets the Encoder to the given encoderState from a Snapshot. -func (e *Encoder) Reset(es encoderState) { - e.encoderState = es -} - -// AppendString appends the escaped form of the input string to b. -func AppendString(b []byte, s string) []byte { - return appendString(b, s, false) -} |