diff options
Diffstat (limited to 'vendor/google.golang.org/protobuf/internal/encoding/json/decode_token.go')
| -rw-r--r-- | vendor/google.golang.org/protobuf/internal/encoding/json/decode_token.go | 192 |
1 files changed, 0 insertions, 192 deletions
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 -} |