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author | 2025-03-09 17:47:56 +0100 | |
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committer | 2025-03-10 01:59:49 +0100 | |
commit | 3ac1ee16f377d31a0fb80c8dae28b6239ac4229e (patch) | |
tree | f61faa581feaaeaba2542b9f2b8234a590684413 /vendor/google.golang.org/protobuf/internal/encoding/text/decode_number.go | |
parent | [chore] update URLs to forked source (diff) | |
download | gotosocial-3ac1ee16f377d31a0fb80c8dae28b6239ac4229e.tar.xz |
[chore] remove vendor
Diffstat (limited to 'vendor/google.golang.org/protobuf/internal/encoding/text/decode_number.go')
-rw-r--r-- | vendor/google.golang.org/protobuf/internal/encoding/text/decode_number.go | 211 |
1 files changed, 0 insertions, 211 deletions
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} -} |