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author | 2025-01-14 13:10:39 +0000 | |
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committer | 2025-01-14 13:10:39 +0000 | |
commit | 4d423102c14de9e9328f1852db539d9561a3cad9 (patch) | |
tree | 6df5905f53ad7eadbfa9840939989253bfb4b199 /vendor/github.com/bytedance/sonic/internal/encoder/alg/spec.go | |
parent | [bugfix] migration to cleanup dropped status edits (#3637) (diff) | |
download | gotosocial-4d423102c14de9e9328f1852db539d9561a3cad9.tar.xz |
[chore]: Bump github.com/gin-contrib/gzip from 1.0.1 to 1.1.0 (#3639)
Bumps [github.com/gin-contrib/gzip](https://github.com/gin-contrib/gzip) from 1.0.1 to 1.1.0.
- [Release notes](https://github.com/gin-contrib/gzip/releases)
- [Changelog](https://github.com/gin-contrib/gzip/blob/master/.goreleaser.yaml)
- [Commits](https://github.com/gin-contrib/gzip/compare/v1.0.1...v1.1.0)
---
updated-dependencies:
- dependency-name: github.com/gin-contrib/gzip
dependency-type: direct:production
update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Diffstat (limited to 'vendor/github.com/bytedance/sonic/internal/encoder/alg/spec.go')
-rw-r--r-- | vendor/github.com/bytedance/sonic/internal/encoder/alg/spec.go | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/vendor/github.com/bytedance/sonic/internal/encoder/alg/spec.go b/vendor/github.com/bytedance/sonic/internal/encoder/alg/spec.go new file mode 100644 index 000000000..bff943626 --- /dev/null +++ b/vendor/github.com/bytedance/sonic/internal/encoder/alg/spec.go @@ -0,0 +1,198 @@ +//go:build (amd64 && go1.16 && !go1.24) || (arm64 && go1.20 && !go1.24) +// +build amd64,go1.16,!go1.24 arm64,go1.20,!go1.24 + +/** + * Copyright 2024 ByteDance Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package alg + +import ( + "runtime" + "unsafe" + + "github.com/bytedance/sonic/internal/native" + "github.com/bytedance/sonic/internal/native/types" + "github.com/bytedance/sonic/internal/rt" +) + +// Valid validates json and returns first non-blank character position, +// if it is only one valid json value. +// Otherwise returns invalid character position using start. +// +// Note: it does not check for the invalid UTF-8 characters. +func Valid(data []byte) (ok bool, start int) { + n := len(data) + if n == 0 { + return false, -1 + } + s := rt.Mem2Str(data) + p := 0 + m := types.NewStateMachine() + ret := native.ValidateOne(&s, &p, m, 0) + types.FreeStateMachine(m) + + if ret < 0 { + return false, p-1 + } + + /* check for trailing spaces */ + for ;p < n; p++ { + if (types.SPACE_MASK & (1 << data[p])) == 0 { + return false, p + } + } + + return true, ret +} + +var typeByte = rt.UnpackEface(byte(0)).Type + +//go:nocheckptr +func Quote(buf []byte, val string, double bool) []byte { + if len(val) == 0 { + if double { + return append(buf, `"\"\""`...) + } + return append(buf, `""`...) + } + + if double { + buf = append(buf, `"\"`...) + } else { + buf = append(buf, `"`...) + } + sp := rt.IndexChar(val, 0) + nb := len(val) + b := (*rt.GoSlice)(unsafe.Pointer(&buf)) + + // input buffer + for nb > 0 { + // output buffer + dp := unsafe.Pointer(uintptr(b.Ptr) + uintptr(b.Len)) + dn := b.Cap - b.Len + // call native.Quote, dn is byte count it outputs + opts := uint64(0) + if double { + opts = types.F_DOUBLE_UNQUOTE + } + ret := native.Quote(sp, nb, dp, &dn, opts) + // update *buf length + b.Len += dn + + // no need more output + if ret >= 0 { + break + } + + // double buf size + *b = rt.GrowSlice(typeByte, *b, b.Cap*2) + // ret is the complement of consumed input + ret = ^ret + // update input buffer + nb -= ret + sp = unsafe.Pointer(uintptr(sp) + uintptr(ret)) + } + + runtime.KeepAlive(buf) + runtime.KeepAlive(sp) + if double { + buf = append(buf, `\""`...) + } else { + buf = append(buf, `"`...) + } + + return buf +} + +func HtmlEscape(dst []byte, src []byte) []byte { + var sidx int + + dst = append(dst, src[:0]...) // avoid check nil dst + sbuf := (*rt.GoSlice)(unsafe.Pointer(&src)) + dbuf := (*rt.GoSlice)(unsafe.Pointer(&dst)) + + /* grow dst if it is shorter */ + if cap(dst)-len(dst) < len(src)+types.BufPaddingSize { + cap := len(src)*3/2 + types.BufPaddingSize + *dbuf = rt.GrowSlice(typeByte, *dbuf, cap) + } + + for sidx < sbuf.Len { + sp := rt.Add(sbuf.Ptr, uintptr(sidx)) + dp := rt.Add(dbuf.Ptr, uintptr(dbuf.Len)) + + sn := sbuf.Len - sidx + dn := dbuf.Cap - dbuf.Len + nb := native.HTMLEscape(sp, sn, dp, &dn) + + /* check for errors */ + if dbuf.Len += dn; nb >= 0 { + break + } + + /* not enough space, grow the slice and try again */ + sidx += ^nb + *dbuf = rt.GrowSlice(typeByte, *dbuf, dbuf.Cap*2) + } + return dst +} + +func F64toa(buf []byte, v float64) ([]byte) { + if v == 0 { + return append(buf, '0') + } + buf = rt.GuardSlice2(buf, 64) + ret := native.F64toa((*byte)(rt.IndexByte(buf, len(buf))), v) + if ret > 0 { + return buf[:len(buf)+ret] + } else { + return buf + } +} + +func F32toa(buf []byte, v float32) ([]byte) { + if v == 0 { + return append(buf, '0') + } + buf = rt.GuardSlice2(buf, 64) + ret := native.F32toa((*byte)(rt.IndexByte(buf, len(buf))), v) + if ret > 0 { + return buf[:len(buf)+ret] + } else { + return buf + } +} + +func I64toa(buf []byte, v int64) ([]byte) { + buf = rt.GuardSlice2(buf, 32) + ret := native.I64toa((*byte)(rt.IndexByte(buf, len(buf))), v) + if ret > 0 { + return buf[:len(buf)+ret] + } else { + return buf + } +} + +func U64toa(buf []byte, v uint64) ([]byte) { + buf = rt.GuardSlice2(buf, 32) + ret := native.U64toa((*byte)(rt.IndexByte(buf, len(buf))), v) + if ret > 0 { + return buf[:len(buf)+ret] + } else { + return buf + } +} + |