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authorLibravatar Terin Stock <terinjokes@gmail.com>2025-03-09 17:47:56 +0100
committerLibravatar Terin Stock <terinjokes@gmail.com>2025-03-10 01:59:49 +0100
commit3ac1ee16f377d31a0fb80c8dae28b6239ac4229e (patch)
treef61faa581feaaeaba2542b9f2b8234a590684413 /vendor/github.com/goccy/go-json/internal/encoder/string.go
parent[chore] update URLs to forked source (diff)
downloadgotosocial-3ac1ee16f377d31a0fb80c8dae28b6239ac4229e.tar.xz
[chore] remove vendor
Diffstat (limited to 'vendor/github.com/goccy/go-json/internal/encoder/string.go')
-rw-r--r--vendor/github.com/goccy/go-json/internal/encoder/string.go483
1 files changed, 0 insertions, 483 deletions
diff --git a/vendor/github.com/goccy/go-json/internal/encoder/string.go b/vendor/github.com/goccy/go-json/internal/encoder/string.go
deleted file mode 100644
index 4abb84165..000000000
--- a/vendor/github.com/goccy/go-json/internal/encoder/string.go
+++ /dev/null
@@ -1,483 +0,0 @@
-// This files's string processing codes are inspired by https://github.com/segmentio/encoding.
-// The license notation is as follows.
-//
-// # MIT License
-//
-// Copyright (c) 2019 Segment.io, Inc.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-// SOFTWARE.
-package encoder
-
-import (
- "math/bits"
- "reflect"
- "unsafe"
-)
-
-const (
- lsb = 0x0101010101010101
- msb = 0x8080808080808080
-)
-
-var hex = "0123456789abcdef"
-
-//nolint:govet
-func stringToUint64Slice(s string) []uint64 {
- return *(*[]uint64)(unsafe.Pointer(&reflect.SliceHeader{
- Data: ((*reflect.StringHeader)(unsafe.Pointer(&s))).Data,
- Len: len(s) / 8,
- Cap: len(s) / 8,
- }))
-}
-
-func AppendString(ctx *RuntimeContext, buf []byte, s string) []byte {
- if ctx.Option.Flag&HTMLEscapeOption != 0 {
- if ctx.Option.Flag&NormalizeUTF8Option != 0 {
- return appendNormalizedHTMLString(buf, s)
- }
- return appendHTMLString(buf, s)
- }
- if ctx.Option.Flag&NormalizeUTF8Option != 0 {
- return appendNormalizedString(buf, s)
- }
- return appendString(buf, s)
-}
-
-func appendNormalizedHTMLString(buf []byte, s string) []byte {
- valLen := len(s)
- if valLen == 0 {
- return append(buf, `""`...)
- }
- buf = append(buf, '"')
- var (
- i, j int
- )
- if valLen >= 8 {
- chunks := stringToUint64Slice(s)
- for _, n := range chunks {
- // combine masks before checking for the MSB of each byte. We include
- // `n` in the mask to check whether any of the *input* byte MSBs were
- // set (i.e. the byte was outside the ASCII range).
- mask := n | (n - (lsb * 0x20)) |
- ((n ^ (lsb * '"')) - lsb) |
- ((n ^ (lsb * '\\')) - lsb) |
- ((n ^ (lsb * '<')) - lsb) |
- ((n ^ (lsb * '>')) - lsb) |
- ((n ^ (lsb * '&')) - lsb)
- if (mask & msb) != 0 {
- j = bits.TrailingZeros64(mask&msb) / 8
- goto ESCAPE_END
- }
- }
- for i := len(chunks) * 8; i < valLen; i++ {
- if needEscapeHTMLNormalizeUTF8[s[i]] {
- j = i
- goto ESCAPE_END
- }
- }
- // no found any escape characters.
- return append(append(buf, s...), '"')
- }
-ESCAPE_END:
- for j < valLen {
- c := s[j]
-
- if !needEscapeHTMLNormalizeUTF8[c] {
- // fast path: most of the time, printable ascii characters are used
- j++
- continue
- }
-
- switch c {
- case '\\', '"':
- buf = append(buf, s[i:j]...)
- buf = append(buf, '\\', c)
- i = j + 1
- j = j + 1
- continue
-
- case '\n':
- buf = append(buf, s[i:j]...)
- buf = append(buf, '\\', 'n')
- i = j + 1
- j = j + 1
- continue
-
- case '\r':
- buf = append(buf, s[i:j]...)
- buf = append(buf, '\\', 'r')
- i = j + 1
- j = j + 1
- continue
-
- case '\t':
- buf = append(buf, s[i:j]...)
- buf = append(buf, '\\', 't')
- i = j + 1
- j = j + 1
- continue
-
- case '<', '>', '&':
- buf = append(buf, s[i:j]...)
- buf = append(buf, `\u00`...)
- buf = append(buf, hex[c>>4], hex[c&0xF])
- i = j + 1
- j = j + 1
- continue
-
- case 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x0B, 0x0C, 0x0E, 0x0F, // 0x00-0x0F
- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F: // 0x10-0x1F
- buf = append(buf, s[i:j]...)
- buf = append(buf, `\u00`...)
- buf = append(buf, hex[c>>4], hex[c&0xF])
- i = j + 1
- j = j + 1
- continue
- }
- state, size := decodeRuneInString(s[j:])
- switch state {
- case runeErrorState:
- buf = append(buf, s[i:j]...)
- buf = append(buf, `\ufffd`...)
- i = j + 1
- j = j + 1
- continue
- // U+2028 is LINE SEPARATOR.
- // U+2029 is PARAGRAPH SEPARATOR.
- // They are both technically valid characters in JSON strings,
- // but don't work in JSONP, which has to be evaluated as JavaScript,
- // and can lead to security holes there. It is valid JSON to
- // escape them, so we do so unconditionally.
- // See http://timelessrepo.com/json-isnt-a-javascript-subset for discussion.
- case lineSepState:
- buf = append(buf, s[i:j]...)
- buf = append(buf, `\u2028`...)
- i = j + 3
- j = j + 3
- continue
- case paragraphSepState:
- buf = append(buf, s[i:j]...)
- buf = append(buf, `\u2029`...)
- i = j + 3
- j = j + 3
- continue
- }
- j += size
- }
-
- return append(append(buf, s[i:]...), '"')
-}
-
-func appendHTMLString(buf []byte, s string) []byte {
- valLen := len(s)
- if valLen == 0 {
- return append(buf, `""`...)
- }
- buf = append(buf, '"')
- var (
- i, j int
- )
- if valLen >= 8 {
- chunks := stringToUint64Slice(s)
- for _, n := range chunks {
- // combine masks before checking for the MSB of each byte. We include
- // `n` in the mask to check whether any of the *input* byte MSBs were
- // set (i.e. the byte was outside the ASCII range).
- mask := n | (n - (lsb * 0x20)) |
- ((n ^ (lsb * '"')) - lsb) |
- ((n ^ (lsb * '\\')) - lsb) |
- ((n ^ (lsb * '<')) - lsb) |
- ((n ^ (lsb * '>')) - lsb) |
- ((n ^ (lsb * '&')) - lsb)
- if (mask & msb) != 0 {
- j = bits.TrailingZeros64(mask&msb) / 8
- goto ESCAPE_END
- }
- }
- for i := len(chunks) * 8; i < valLen; i++ {
- if needEscapeHTML[s[i]] {
- j = i
- goto ESCAPE_END
- }
- }
- // no found any escape characters.
- return append(append(buf, s...), '"')
- }
-ESCAPE_END:
- for j < valLen {
- c := s[j]
-
- if !needEscapeHTML[c] {
- // fast path: most of the time, printable ascii characters are used
- j++
- continue
- }
-
- switch c {
- case '\\', '"':
- buf = append(buf, s[i:j]...)
- buf = append(buf, '\\', c)
- i = j + 1
- j = j + 1
- continue
-
- case '\n':
- buf = append(buf, s[i:j]...)
- buf = append(buf, '\\', 'n')
- i = j + 1
- j = j + 1
- continue
-
- case '\r':
- buf = append(buf, s[i:j]...)
- buf = append(buf, '\\', 'r')
- i = j + 1
- j = j + 1
- continue
-
- case '\t':
- buf = append(buf, s[i:j]...)
- buf = append(buf, '\\', 't')
- i = j + 1
- j = j + 1
- continue
-
- case '<', '>', '&':
- buf = append(buf, s[i:j]...)
- buf = append(buf, `\u00`...)
- buf = append(buf, hex[c>>4], hex[c&0xF])
- i = j + 1
- j = j + 1
- continue
-
- case 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x0B, 0x0C, 0x0E, 0x0F, // 0x00-0x0F
- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F: // 0x10-0x1F
- buf = append(buf, s[i:j]...)
- buf = append(buf, `\u00`...)
- buf = append(buf, hex[c>>4], hex[c&0xF])
- i = j + 1
- j = j + 1
- continue
- }
- j++
- }
-
- return append(append(buf, s[i:]...), '"')
-}
-
-func appendNormalizedString(buf []byte, s string) []byte {
- valLen := len(s)
- if valLen == 0 {
- return append(buf, `""`...)
- }
- buf = append(buf, '"')
- var (
- i, j int
- )
- if valLen >= 8 {
- chunks := stringToUint64Slice(s)
- for _, n := range chunks {
- // combine masks before checking for the MSB of each byte. We include
- // `n` in the mask to check whether any of the *input* byte MSBs were
- // set (i.e. the byte was outside the ASCII range).
- mask := n | (n - (lsb * 0x20)) |
- ((n ^ (lsb * '"')) - lsb) |
- ((n ^ (lsb * '\\')) - lsb)
- if (mask & msb) != 0 {
- j = bits.TrailingZeros64(mask&msb) / 8
- goto ESCAPE_END
- }
- }
- valLen := len(s)
- for i := len(chunks) * 8; i < valLen; i++ {
- if needEscapeNormalizeUTF8[s[i]] {
- j = i
- goto ESCAPE_END
- }
- }
- return append(append(buf, s...), '"')
- }
-ESCAPE_END:
- for j < valLen {
- c := s[j]
-
- if !needEscapeNormalizeUTF8[c] {
- // fast path: most of the time, printable ascii characters are used
- j++
- continue
- }
-
- switch c {
- case '\\', '"':
- buf = append(buf, s[i:j]...)
- buf = append(buf, '\\', c)
- i = j + 1
- j = j + 1
- continue
-
- case '\n':
- buf = append(buf, s[i:j]...)
- buf = append(buf, '\\', 'n')
- i = j + 1
- j = j + 1
- continue
-
- case '\r':
- buf = append(buf, s[i:j]...)
- buf = append(buf, '\\', 'r')
- i = j + 1
- j = j + 1
- continue
-
- case '\t':
- buf = append(buf, s[i:j]...)
- buf = append(buf, '\\', 't')
- i = j + 1
- j = j + 1
- continue
-
- case 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x0B, 0x0C, 0x0E, 0x0F, // 0x00-0x0F
- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F: // 0x10-0x1F
- buf = append(buf, s[i:j]...)
- buf = append(buf, `\u00`...)
- buf = append(buf, hex[c>>4], hex[c&0xF])
- i = j + 1
- j = j + 1
- continue
- }
-
- state, size := decodeRuneInString(s[j:])
- switch state {
- case runeErrorState:
- buf = append(buf, s[i:j]...)
- buf = append(buf, `\ufffd`...)
- i = j + 1
- j = j + 1
- continue
- // U+2028 is LINE SEPARATOR.
- // U+2029 is PARAGRAPH SEPARATOR.
- // They are both technically valid characters in JSON strings,
- // but don't work in JSONP, which has to be evaluated as JavaScript,
- // and can lead to security holes there. It is valid JSON to
- // escape them, so we do so unconditionally.
- // See http://timelessrepo.com/json-isnt-a-javascript-subset for discussion.
- case lineSepState:
- buf = append(buf, s[i:j]...)
- buf = append(buf, `\u2028`...)
- i = j + 3
- j = j + 3
- continue
- case paragraphSepState:
- buf = append(buf, s[i:j]...)
- buf = append(buf, `\u2029`...)
- i = j + 3
- j = j + 3
- continue
- }
- j += size
- }
-
- return append(append(buf, s[i:]...), '"')
-}
-
-func appendString(buf []byte, s string) []byte {
- valLen := len(s)
- if valLen == 0 {
- return append(buf, `""`...)
- }
- buf = append(buf, '"')
- var (
- i, j int
- )
- if valLen >= 8 {
- chunks := stringToUint64Slice(s)
- for _, n := range chunks {
- // combine masks before checking for the MSB of each byte. We include
- // `n` in the mask to check whether any of the *input* byte MSBs were
- // set (i.e. the byte was outside the ASCII range).
- mask := n | (n - (lsb * 0x20)) |
- ((n ^ (lsb * '"')) - lsb) |
- ((n ^ (lsb * '\\')) - lsb)
- if (mask & msb) != 0 {
- j = bits.TrailingZeros64(mask&msb) / 8
- goto ESCAPE_END
- }
- }
- valLen := len(s)
- for i := len(chunks) * 8; i < valLen; i++ {
- if needEscape[s[i]] {
- j = i
- goto ESCAPE_END
- }
- }
- return append(append(buf, s...), '"')
- }
-ESCAPE_END:
- for j < valLen {
- c := s[j]
-
- if !needEscape[c] {
- // fast path: most of the time, printable ascii characters are used
- j++
- continue
- }
-
- switch c {
- case '\\', '"':
- buf = append(buf, s[i:j]...)
- buf = append(buf, '\\', c)
- i = j + 1
- j = j + 1
- continue
-
- case '\n':
- buf = append(buf, s[i:j]...)
- buf = append(buf, '\\', 'n')
- i = j + 1
- j = j + 1
- continue
-
- case '\r':
- buf = append(buf, s[i:j]...)
- buf = append(buf, '\\', 'r')
- i = j + 1
- j = j + 1
- continue
-
- case '\t':
- buf = append(buf, s[i:j]...)
- buf = append(buf, '\\', 't')
- i = j + 1
- j = j + 1
- continue
-
- case 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x0B, 0x0C, 0x0E, 0x0F, // 0x00-0x0F
- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F: // 0x10-0x1F
- buf = append(buf, s[i:j]...)
- buf = append(buf, `\u00`...)
- buf = append(buf, hex[c>>4], hex[c&0xF])
- i = j + 1
- j = j + 1
- continue
- }
- j++
- }
-
- return append(append(buf, s[i:]...), '"')
-}