diff --git a/internal/decoder/compile.go b/internal/decoder/compile.go index fab64376..8ad50936 100644 --- a/internal/decoder/compile.go +++ b/internal/decoder/compile.go @@ -5,6 +5,7 @@ import ( "fmt" "reflect" "strings" + "sync" "sync/atomic" "unicode" "unsafe" @@ -17,22 +18,27 @@ var ( typeAddr *runtime.TypeAddr cachedDecoderMap unsafe.Pointer // map[uintptr]decoder cachedDecoder []Decoder + initOnce sync.Once ) -func init() { - typeAddr = runtime.AnalyzeTypeAddr() - if typeAddr == nil { - typeAddr = &runtime.TypeAddr{} - } - cachedDecoder = make([]Decoder, typeAddr.AddrRange>>typeAddr.AddrShift+1) +func initDecoder() { + initOnce.Do(func() { + typeAddr = runtime.AnalyzeTypeAddr() + if typeAddr == nil { + typeAddr = &runtime.TypeAddr{} + } + cachedDecoder = make([]Decoder, typeAddr.AddrRange>>typeAddr.AddrShift+1) + }) } func loadDecoderMap() map[uintptr]Decoder { + initDecoder() p := atomic.LoadPointer(&cachedDecoderMap) return *(*map[uintptr]Decoder)(unsafe.Pointer(&p)) } func storeDecoder(typ uintptr, dec Decoder, m map[uintptr]Decoder) { + initDecoder() newDecoderMap := make(map[uintptr]Decoder, len(m)+1) newDecoderMap[typ] = dec diff --git a/internal/decoder/compile_norace.go b/internal/decoder/compile_norace.go index eb7e2b13..025ca85b 100644 --- a/internal/decoder/compile_norace.go +++ b/internal/decoder/compile_norace.go @@ -10,6 +10,7 @@ import ( ) func CompileToGetDecoder(typ *runtime.Type) (Decoder, error) { + initDecoder() typeptr := uintptr(unsafe.Pointer(typ)) if typeptr > typeAddr.MaxTypeAddr { return compileToGetDecoderSlowPath(typeptr, typ) diff --git a/internal/decoder/compile_race.go b/internal/decoder/compile_race.go index 49cdda4a..023b817c 100644 --- a/internal/decoder/compile_race.go +++ b/internal/decoder/compile_race.go @@ -13,6 +13,7 @@ import ( var decMu sync.RWMutex func CompileToGetDecoder(typ *runtime.Type) (Decoder, error) { + initDecoder() typeptr := uintptr(unsafe.Pointer(typ)) if typeptr > typeAddr.MaxTypeAddr { return compileToGetDecoderSlowPath(typeptr, typ) diff --git a/internal/encoder/compiler.go b/internal/encoder/compiler.go index 37b7aa38..b1076368 100644 --- a/internal/encoder/compiler.go +++ b/internal/encoder/compiler.go @@ -5,6 +5,7 @@ import ( "encoding" "encoding/json" "reflect" + "sync" "sync/atomic" "unsafe" @@ -24,14 +25,17 @@ var ( cachedOpcodeSets []*OpcodeSet cachedOpcodeMap unsafe.Pointer // map[uintptr]*OpcodeSet typeAddr *runtime.TypeAddr + initEncoderOnce sync.Once ) -func init() { - typeAddr = runtime.AnalyzeTypeAddr() - if typeAddr == nil { - typeAddr = &runtime.TypeAddr{} - } - cachedOpcodeSets = make([]*OpcodeSet, typeAddr.AddrRange>>typeAddr.AddrShift+1) +func initEncoder() { + initEncoderOnce.Do(func() { + typeAddr = runtime.AnalyzeTypeAddr() + if typeAddr == nil { + typeAddr = &runtime.TypeAddr{} + } + cachedOpcodeSets = make([]*OpcodeSet, typeAddr.AddrRange>>typeAddr.AddrShift+1) + }) } func loadOpcodeMap() map[uintptr]*OpcodeSet { diff --git a/internal/encoder/compiler_norace.go b/internal/encoder/compiler_norace.go index 20c93cbf..b6f45a49 100644 --- a/internal/encoder/compiler_norace.go +++ b/internal/encoder/compiler_norace.go @@ -4,6 +4,7 @@ package encoder func CompileToGetCodeSet(ctx *RuntimeContext, typeptr uintptr) (*OpcodeSet, error) { + initEncoder() if typeptr > typeAddr.MaxTypeAddr || typeptr < typeAddr.BaseTypeAddr { codeSet, err := compileToGetCodeSetSlowPath(typeptr) if err != nil { diff --git a/internal/encoder/compiler_race.go b/internal/encoder/compiler_race.go index 13ba23fd..47b482f7 100644 --- a/internal/encoder/compiler_race.go +++ b/internal/encoder/compiler_race.go @@ -10,6 +10,7 @@ import ( var setsMu sync.RWMutex func CompileToGetCodeSet(ctx *RuntimeContext, typeptr uintptr) (*OpcodeSet, error) { + initEncoder() if typeptr > typeAddr.MaxTypeAddr || typeptr < typeAddr.BaseTypeAddr { codeSet, err := compileToGetCodeSetSlowPath(typeptr) if err != nil { diff --git a/internal/encoder/int.go b/internal/encoder/int.go index 8b5febea..784382be 100644 --- a/internal/encoder/int.go +++ b/internal/encoder/int.go @@ -25,59 +25,70 @@ package encoder import ( + "sync" "unsafe" ) -var endianness int +var ( + endianness int + initIntOnce sync.Once + intLELookup *[100]uint16 + intBELookup *[100]uint16 + intLookup [2]*[100]uint16 +) -func init() { - var b [2]byte - *(*uint16)(unsafe.Pointer(&b)) = uint16(0xABCD) +func initInt() { + initIntOnce.Do(func() { + var b [2]byte + *(*uint16)(unsafe.Pointer(&b)) = uint16(0xABCD) + + switch b[0] { + case 0xCD: + endianness = 0 // LE + case 0xAB: + endianness = 1 // BE + default: + panic("could not determine endianness") + } - switch b[0] { - case 0xCD: - endianness = 0 // LE - case 0xAB: - endianness = 1 // BE - default: - panic("could not determine endianness") - } -} + // "00010203...96979899" cast to []uint16 + intLELookup = &[100]uint16{ + 0x3030, 0x3130, 0x3230, 0x3330, 0x3430, 0x3530, 0x3630, 0x3730, 0x3830, 0x3930, + 0x3031, 0x3131, 0x3231, 0x3331, 0x3431, 0x3531, 0x3631, 0x3731, 0x3831, 0x3931, + 0x3032, 0x3132, 0x3232, 0x3332, 0x3432, 0x3532, 0x3632, 0x3732, 0x3832, 0x3932, + 0x3033, 0x3133, 0x3233, 0x3333, 0x3433, 0x3533, 0x3633, 0x3733, 0x3833, 0x3933, + 0x3034, 0x3134, 0x3234, 0x3334, 0x3434, 0x3534, 0x3634, 0x3734, 0x3834, 0x3934, + 0x3035, 0x3135, 0x3235, 0x3335, 0x3435, 0x3535, 0x3635, 0x3735, 0x3835, 0x3935, + 0x3036, 0x3136, 0x3236, 0x3336, 0x3436, 0x3536, 0x3636, 0x3736, 0x3836, 0x3936, + 0x3037, 0x3137, 0x3237, 0x3337, 0x3437, 0x3537, 0x3637, 0x3737, 0x3837, 0x3937, + 0x3038, 0x3138, 0x3238, 0x3338, 0x3438, 0x3538, 0x3638, 0x3738, 0x3838, 0x3938, + 0x3039, 0x3139, 0x3239, 0x3339, 0x3439, 0x3539, 0x3639, 0x3739, 0x3839, 0x3939, + } -// "00010203...96979899" cast to []uint16 -var intLELookup = [100]uint16{ - 0x3030, 0x3130, 0x3230, 0x3330, 0x3430, 0x3530, 0x3630, 0x3730, 0x3830, 0x3930, - 0x3031, 0x3131, 0x3231, 0x3331, 0x3431, 0x3531, 0x3631, 0x3731, 0x3831, 0x3931, - 0x3032, 0x3132, 0x3232, 0x3332, 0x3432, 0x3532, 0x3632, 0x3732, 0x3832, 0x3932, - 0x3033, 0x3133, 0x3233, 0x3333, 0x3433, 0x3533, 0x3633, 0x3733, 0x3833, 0x3933, - 0x3034, 0x3134, 0x3234, 0x3334, 0x3434, 0x3534, 0x3634, 0x3734, 0x3834, 0x3934, - 0x3035, 0x3135, 0x3235, 0x3335, 0x3435, 0x3535, 0x3635, 0x3735, 0x3835, 0x3935, - 0x3036, 0x3136, 0x3236, 0x3336, 0x3436, 0x3536, 0x3636, 0x3736, 0x3836, 0x3936, - 0x3037, 0x3137, 0x3237, 0x3337, 0x3437, 0x3537, 0x3637, 0x3737, 0x3837, 0x3937, - 0x3038, 0x3138, 0x3238, 0x3338, 0x3438, 0x3538, 0x3638, 0x3738, 0x3838, 0x3938, - 0x3039, 0x3139, 0x3239, 0x3339, 0x3439, 0x3539, 0x3639, 0x3739, 0x3839, 0x3939, -} + intBELookup = &[100]uint16{ + 0x3030, 0x3031, 0x3032, 0x3033, 0x3034, 0x3035, 0x3036, 0x3037, 0x3038, 0x3039, + 0x3130, 0x3131, 0x3132, 0x3133, 0x3134, 0x3135, 0x3136, 0x3137, 0x3138, 0x3139, + 0x3230, 0x3231, 0x3232, 0x3233, 0x3234, 0x3235, 0x3236, 0x3237, 0x3238, 0x3239, + 0x3330, 0x3331, 0x3332, 0x3333, 0x3334, 0x3335, 0x3336, 0x3337, 0x3338, 0x3339, + 0x3430, 0x3431, 0x3432, 0x3433, 0x3434, 0x3435, 0x3436, 0x3437, 0x3438, 0x3439, + 0x3530, 0x3531, 0x3532, 0x3533, 0x3534, 0x3535, 0x3536, 0x3537, 0x3538, 0x3539, + 0x3630, 0x3631, 0x3632, 0x3633, 0x3634, 0x3635, 0x3636, 0x3637, 0x3638, 0x3639, + 0x3730, 0x3731, 0x3732, 0x3733, 0x3734, 0x3735, 0x3736, 0x3737, 0x3738, 0x3739, + 0x3830, 0x3831, 0x3832, 0x3833, 0x3834, 0x3835, 0x3836, 0x3837, 0x3838, 0x3839, + 0x3930, 0x3931, 0x3932, 0x3933, 0x3934, 0x3935, 0x3936, 0x3937, 0x3938, 0x3939, + } -var intBELookup = [100]uint16{ - 0x3030, 0x3031, 0x3032, 0x3033, 0x3034, 0x3035, 0x3036, 0x3037, 0x3038, 0x3039, - 0x3130, 0x3131, 0x3132, 0x3133, 0x3134, 0x3135, 0x3136, 0x3137, 0x3138, 0x3139, - 0x3230, 0x3231, 0x3232, 0x3233, 0x3234, 0x3235, 0x3236, 0x3237, 0x3238, 0x3239, - 0x3330, 0x3331, 0x3332, 0x3333, 0x3334, 0x3335, 0x3336, 0x3337, 0x3338, 0x3339, - 0x3430, 0x3431, 0x3432, 0x3433, 0x3434, 0x3435, 0x3436, 0x3437, 0x3438, 0x3439, - 0x3530, 0x3531, 0x3532, 0x3533, 0x3534, 0x3535, 0x3536, 0x3537, 0x3538, 0x3539, - 0x3630, 0x3631, 0x3632, 0x3633, 0x3634, 0x3635, 0x3636, 0x3637, 0x3638, 0x3639, - 0x3730, 0x3731, 0x3732, 0x3733, 0x3734, 0x3735, 0x3736, 0x3737, 0x3738, 0x3739, - 0x3830, 0x3831, 0x3832, 0x3833, 0x3834, 0x3835, 0x3836, 0x3837, 0x3838, 0x3839, - 0x3930, 0x3931, 0x3932, 0x3933, 0x3934, 0x3935, 0x3936, 0x3937, 0x3938, 0x3939, + intLookup = [2]*[100]uint16{intLELookup, intBELookup} + }) } -var intLookup = [2]*[100]uint16{&intLELookup, &intBELookup} - func numMask(numBitSize uint8) uint64 { return 1<= 400 { return "" } diff --git a/internal/encoder/string.go b/internal/encoder/string.go index 4abb8416..df9e65bf 100644 --- a/internal/encoder/string.go +++ b/internal/encoder/string.go @@ -47,6 +47,8 @@ func stringToUint64Slice(s string) []uint64 { } func AppendString(ctx *RuntimeContext, buf []byte, s string) []byte { + initStringTable() // lazy initialization + if ctx.Option.Flag&HTMLEscapeOption != 0 { if ctx.Option.Flag&NormalizeUTF8Option != 0 { return appendNormalizedHTMLString(buf, s) diff --git a/internal/encoder/string_table.go b/internal/encoder/string_table.go index ebe42c92..3d4fd9a0 100644 --- a/internal/encoder/string_table.go +++ b/internal/encoder/string_table.go @@ -1,415 +1,429 @@ package encoder -var needEscapeHTMLNormalizeUTF8 = [256]bool{ - '"': true, - '&': true, - '<': true, - '>': true, - '\\': true, - 0x00: true, - 0x01: true, - 0x02: true, - 0x03: true, - 0x04: true, - 0x05: true, - 0x06: true, - 0x07: true, - 0x08: true, - 0x09: true, - 0x0a: true, - 0x0b: true, - 0x0c: true, - 0x0d: true, - 0x0e: true, - 0x0f: true, - 0x10: true, - 0x11: true, - 0x12: true, - 0x13: true, - 0x14: true, - 0x15: true, - 0x16: true, - 0x17: true, - 0x18: true, - 0x19: true, - 0x1a: true, - 0x1b: true, - 0x1c: true, - 0x1d: true, - 0x1e: true, - 0x1f: true, - /* 0x20 - 0x7f */ - 0x80: true, - 0x81: true, - 0x82: true, - 0x83: true, - 0x84: true, - 0x85: true, - 0x86: true, - 0x87: true, - 0x88: true, - 0x89: true, - 0x8a: true, - 0x8b: true, - 0x8c: true, - 0x8d: true, - 0x8e: true, - 0x8f: true, - 0x90: true, - 0x91: true, - 0x92: true, - 0x93: true, - 0x94: true, - 0x95: true, - 0x96: true, - 0x97: true, - 0x98: true, - 0x99: true, - 0x9a: true, - 0x9b: true, - 0x9c: true, - 0x9d: true, - 0x9e: true, - 0x9f: true, - 0xa0: true, - 0xa1: true, - 0xa2: true, - 0xa3: true, - 0xa4: true, - 0xa5: true, - 0xa6: true, - 0xa7: true, - 0xa8: true, - 0xa9: true, - 0xaa: true, - 0xab: true, - 0xac: true, - 0xad: true, - 0xae: true, - 0xaf: true, - 0xb0: true, - 0xb1: true, - 0xb2: true, - 0xb3: true, - 0xb4: true, - 0xb5: true, - 0xb6: true, - 0xb7: true, - 0xb8: true, - 0xb9: true, - 0xba: true, - 0xbb: true, - 0xbc: true, - 0xbd: true, - 0xbe: true, - 0xbf: true, - 0xc0: true, - 0xc1: true, - 0xc2: true, - 0xc3: true, - 0xc4: true, - 0xc5: true, - 0xc6: true, - 0xc7: true, - 0xc8: true, - 0xc9: true, - 0xca: true, - 0xcb: true, - 0xcc: true, - 0xcd: true, - 0xce: true, - 0xcf: true, - 0xd0: true, - 0xd1: true, - 0xd2: true, - 0xd3: true, - 0xd4: true, - 0xd5: true, - 0xd6: true, - 0xd7: true, - 0xd8: true, - 0xd9: true, - 0xda: true, - 0xdb: true, - 0xdc: true, - 0xdd: true, - 0xde: true, - 0xdf: true, - 0xe0: true, - 0xe1: true, - 0xe2: true, - 0xe3: true, - 0xe4: true, - 0xe5: true, - 0xe6: true, - 0xe7: true, - 0xe8: true, - 0xe9: true, - 0xea: true, - 0xeb: true, - 0xec: true, - 0xed: true, - 0xee: true, - 0xef: true, - 0xf0: true, - 0xf1: true, - 0xf2: true, - 0xf3: true, - 0xf4: true, - 0xf5: true, - 0xf6: true, - 0xf7: true, - 0xf8: true, - 0xf9: true, - 0xfa: true, - 0xfb: true, - 0xfc: true, - 0xfd: true, - 0xfe: true, - 0xff: true, -} +import "sync" -var needEscapeNormalizeUTF8 = [256]bool{ - '"': true, - '\\': true, - 0x00: true, - 0x01: true, - 0x02: true, - 0x03: true, - 0x04: true, - 0x05: true, - 0x06: true, - 0x07: true, - 0x08: true, - 0x09: true, - 0x0a: true, - 0x0b: true, - 0x0c: true, - 0x0d: true, - 0x0e: true, - 0x0f: true, - 0x10: true, - 0x11: true, - 0x12: true, - 0x13: true, - 0x14: true, - 0x15: true, - 0x16: true, - 0x17: true, - 0x18: true, - 0x19: true, - 0x1a: true, - 0x1b: true, - 0x1c: true, - 0x1d: true, - 0x1e: true, - 0x1f: true, - /* 0x20 - 0x7f */ - 0x80: true, - 0x81: true, - 0x82: true, - 0x83: true, - 0x84: true, - 0x85: true, - 0x86: true, - 0x87: true, - 0x88: true, - 0x89: true, - 0x8a: true, - 0x8b: true, - 0x8c: true, - 0x8d: true, - 0x8e: true, - 0x8f: true, - 0x90: true, - 0x91: true, - 0x92: true, - 0x93: true, - 0x94: true, - 0x95: true, - 0x96: true, - 0x97: true, - 0x98: true, - 0x99: true, - 0x9a: true, - 0x9b: true, - 0x9c: true, - 0x9d: true, - 0x9e: true, - 0x9f: true, - 0xa0: true, - 0xa1: true, - 0xa2: true, - 0xa3: true, - 0xa4: true, - 0xa5: true, - 0xa6: true, - 0xa7: true, - 0xa8: true, - 0xa9: true, - 0xaa: true, - 0xab: true, - 0xac: true, - 0xad: true, - 0xae: true, - 0xaf: true, - 0xb0: true, - 0xb1: true, - 0xb2: true, - 0xb3: true, - 0xb4: true, - 0xb5: true, - 0xb6: true, - 0xb7: true, - 0xb8: true, - 0xb9: true, - 0xba: true, - 0xbb: true, - 0xbc: true, - 0xbd: true, - 0xbe: true, - 0xbf: true, - 0xc0: true, - 0xc1: true, - 0xc2: true, - 0xc3: true, - 0xc4: true, - 0xc5: true, - 0xc6: true, - 0xc7: true, - 0xc8: true, - 0xc9: true, - 0xca: true, - 0xcb: true, - 0xcc: true, - 0xcd: true, - 0xce: true, - 0xcf: true, - 0xd0: true, - 0xd1: true, - 0xd2: true, - 0xd3: true, - 0xd4: true, - 0xd5: true, - 0xd6: true, - 0xd7: true, - 0xd8: true, - 0xd9: true, - 0xda: true, - 0xdb: true, - 0xdc: true, - 0xdd: true, - 0xde: true, - 0xdf: true, - 0xe0: true, - 0xe1: true, - 0xe2: true, - 0xe3: true, - 0xe4: true, - 0xe5: true, - 0xe6: true, - 0xe7: true, - 0xe8: true, - 0xe9: true, - 0xea: true, - 0xeb: true, - 0xec: true, - 0xed: true, - 0xee: true, - 0xef: true, - 0xf0: true, - 0xf1: true, - 0xf2: true, - 0xf3: true, - 0xf4: true, - 0xf5: true, - 0xf6: true, - 0xf7: true, - 0xf8: true, - 0xf9: true, - 0xfa: true, - 0xfb: true, - 0xfc: true, - 0xfd: true, - 0xfe: true, - 0xff: true, -} +var ( + needEscapeHTMLNormalizeUTF8 *[256]bool + needEscapeNormalizeUTF8 *[256]bool + needEscapeHTML *[256]bool + needEscape *[256]bool + initStringTableOnce sync.Once +) -var needEscapeHTML = [256]bool{ - '"': true, - '&': true, - '<': true, - '>': true, - '\\': true, - 0x00: true, - 0x01: true, - 0x02: true, - 0x03: true, - 0x04: true, - 0x05: true, - 0x06: true, - 0x07: true, - 0x08: true, - 0x09: true, - 0x0a: true, - 0x0b: true, - 0x0c: true, - 0x0d: true, - 0x0e: true, - 0x0f: true, - 0x10: true, - 0x11: true, - 0x12: true, - 0x13: true, - 0x14: true, - 0x15: true, - 0x16: true, - 0x17: true, - 0x18: true, - 0x19: true, - 0x1a: true, - 0x1b: true, - 0x1c: true, - 0x1d: true, - 0x1e: true, - 0x1f: true, - /* 0x20 - 0xff */ -} +func initStringTable() { + initStringTableOnce.Do(func() { + needEscapeHTMLNormalizeUTF8 = &[256]bool{ + '"': true, + '&': true, + '<': true, + '>': true, + '\\': true, + 0x00: true, + 0x01: true, + 0x02: true, + 0x03: true, + 0x04: true, + 0x05: true, + 0x06: true, + 0x07: true, + 0x08: true, + 0x09: true, + 0x0a: true, + 0x0b: true, + 0x0c: true, + 0x0d: true, + 0x0e: true, + 0x0f: true, + 0x10: true, + 0x11: true, + 0x12: true, + 0x13: true, + 0x14: true, + 0x15: true, + 0x16: true, + 0x17: true, + 0x18: true, + 0x19: true, + 0x1a: true, + 0x1b: true, + 0x1c: true, + 0x1d: true, + 0x1e: true, + 0x1f: true, + /* 0x20 - 0x7f */ + 0x80: true, + 0x81: true, + 0x82: true, + 0x83: true, + 0x84: true, + 0x85: true, + 0x86: true, + 0x87: true, + 0x88: true, + 0x89: true, + 0x8a: true, + 0x8b: true, + 0x8c: true, + 0x8d: true, + 0x8e: true, + 0x8f: true, + 0x90: true, + 0x91: true, + 0x92: true, + 0x93: true, + 0x94: true, + 0x95: true, + 0x96: true, + 0x97: true, + 0x98: true, + 0x99: true, + 0x9a: true, + 0x9b: true, + 0x9c: true, + 0x9d: true, + 0x9e: true, + 0x9f: true, + 0xa0: true, + 0xa1: true, + 0xa2: true, + 0xa3: true, + 0xa4: true, + 0xa5: true, + 0xa6: true, + 0xa7: true, + 0xa8: true, + 0xa9: true, + 0xaa: true, + 0xab: true, + 0xac: true, + 0xad: true, + 0xae: true, + 0xaf: true, + 0xb0: true, + 0xb1: true, + 0xb2: true, + 0xb3: true, + 0xb4: true, + 0xb5: true, + 0xb6: true, + 0xb7: true, + 0xb8: true, + 0xb9: true, + 0xba: true, + 0xbb: true, + 0xbc: true, + 0xbd: true, + 0xbe: true, + 0xbf: true, + 0xc0: true, + 0xc1: true, + 0xc2: true, + 0xc3: true, + 0xc4: true, + 0xc5: true, + 0xc6: true, + 0xc7: true, + 0xc8: true, + 0xc9: true, + 0xca: true, + 0xcb: true, + 0xcc: true, + 0xcd: true, + 0xce: true, + 0xcf: true, + 0xd0: true, + 0xd1: true, + 0xd2: true, + 0xd3: true, + 0xd4: true, + 0xd5: true, + 0xd6: true, + 0xd7: true, + 0xd8: true, + 0xd9: true, + 0xda: true, + 0xdb: true, + 0xdc: true, + 0xdd: true, + 0xde: true, + 0xdf: true, + 0xe0: true, + 0xe1: true, + 0xe2: true, + 0xe3: true, + 0xe4: true, + 0xe5: true, + 0xe6: true, + 0xe7: true, + 0xe8: true, + 0xe9: true, + 0xea: true, + 0xeb: true, + 0xec: true, + 0xed: true, + 0xee: true, + 0xef: true, + 0xf0: true, + 0xf1: true, + 0xf2: true, + 0xf3: true, + 0xf4: true, + 0xf5: true, + 0xf6: true, + 0xf7: true, + 0xf8: true, + 0xf9: true, + 0xfa: true, + 0xfb: true, + 0xfc: true, + 0xfd: true, + 0xfe: true, + 0xff: true, + } + + needEscapeNormalizeUTF8 = &[256]bool{ + '"': true, + '\\': true, + 0x00: true, + 0x01: true, + 0x02: true, + 0x03: true, + 0x04: true, + 0x05: true, + 0x06: true, + 0x07: true, + 0x08: true, + 0x09: true, + 0x0a: true, + 0x0b: true, + 0x0c: true, + 0x0d: true, + 0x0e: true, + 0x0f: true, + 0x10: true, + 0x11: true, + 0x12: true, + 0x13: true, + 0x14: true, + 0x15: true, + 0x16: true, + 0x17: true, + 0x18: true, + 0x19: true, + 0x1a: true, + 0x1b: true, + 0x1c: true, + 0x1d: true, + 0x1e: true, + 0x1f: true, + /* 0x20 - 0x7f */ + 0x80: true, + 0x81: true, + 0x82: true, + 0x83: true, + 0x84: true, + 0x85: true, + 0x86: true, + 0x87: true, + 0x88: true, + 0x89: true, + 0x8a: true, + 0x8b: true, + 0x8c: true, + 0x8d: true, + 0x8e: true, + 0x8f: true, + 0x90: true, + 0x91: true, + 0x92: true, + 0x93: true, + 0x94: true, + 0x95: true, + 0x96: true, + 0x97: true, + 0x98: true, + 0x99: true, + 0x9a: true, + 0x9b: true, + 0x9c: true, + 0x9d: true, + 0x9e: true, + 0x9f: true, + 0xa0: true, + 0xa1: true, + 0xa2: true, + 0xa3: true, + 0xa4: true, + 0xa5: true, + 0xa6: true, + 0xa7: true, + 0xa8: true, + 0xa9: true, + 0xaa: true, + 0xab: true, + 0xac: true, + 0xad: true, + 0xae: true, + 0xaf: true, + 0xb0: true, + 0xb1: true, + 0xb2: true, + 0xb3: true, + 0xb4: true, + 0xb5: true, + 0xb6: true, + 0xb7: true, + 0xb8: true, + 0xb9: true, + 0xba: true, + 0xbb: true, + 0xbc: true, + 0xbd: true, + 0xbe: true, + 0xbf: true, + 0xc0: true, + 0xc1: true, + 0xc2: true, + 0xc3: true, + 0xc4: true, + 0xc5: true, + 0xc6: true, + 0xc7: true, + 0xc8: true, + 0xc9: true, + 0xca: true, + 0xcb: true, + 0xcc: true, + 0xcd: true, + 0xce: true, + 0xcf: true, + 0xd0: true, + 0xd1: true, + 0xd2: true, + 0xd3: true, + 0xd4: true, + 0xd5: true, + 0xd6: true, + 0xd7: true, + 0xd8: true, + 0xd9: true, + 0xda: true, + 0xdb: true, + 0xdc: true, + 0xdd: true, + 0xde: true, + 0xdf: true, + 0xe0: true, + 0xe1: true, + 0xe2: true, + 0xe3: true, + 0xe4: true, + 0xe5: true, + 0xe6: true, + 0xe7: true, + 0xe8: true, + 0xe9: true, + 0xea: true, + 0xeb: true, + 0xec: true, + 0xed: true, + 0xee: true, + 0xef: true, + 0xf0: true, + 0xf1: true, + 0xf2: true, + 0xf3: true, + 0xf4: true, + 0xf5: true, + 0xf6: true, + 0xf7: true, + 0xf8: true, + 0xf9: true, + 0xfa: true, + 0xfb: true, + 0xfc: true, + 0xfd: true, + 0xfe: true, + 0xff: true, + } + + needEscapeHTML = &[256]bool{ + '"': true, + '&': true, + '<': true, + '>': true, + '\\': true, + 0x00: true, + 0x01: true, + 0x02: true, + 0x03: true, + 0x04: true, + 0x05: true, + 0x06: true, + 0x07: true, + 0x08: true, + 0x09: true, + 0x0a: true, + 0x0b: true, + 0x0c: true, + 0x0d: true, + 0x0e: true, + 0x0f: true, + 0x10: true, + 0x11: true, + 0x12: true, + 0x13: true, + 0x14: true, + 0x15: true, + 0x16: true, + 0x17: true, + 0x18: true, + 0x19: true, + 0x1a: true, + 0x1b: true, + 0x1c: true, + 0x1d: true, + 0x1e: true, + 0x1f: true, + /* 0x20 - 0xff */ + } -var needEscape = [256]bool{ - '"': true, - '\\': true, - 0x00: true, - 0x01: true, - 0x02: true, - 0x03: true, - 0x04: true, - 0x05: true, - 0x06: true, - 0x07: true, - 0x08: true, - 0x09: true, - 0x0a: true, - 0x0b: true, - 0x0c: true, - 0x0d: true, - 0x0e: true, - 0x0f: true, - 0x10: true, - 0x11: true, - 0x12: true, - 0x13: true, - 0x14: true, - 0x15: true, - 0x16: true, - 0x17: true, - 0x18: true, - 0x19: true, - 0x1a: true, - 0x1b: true, - 0x1c: true, - 0x1d: true, - 0x1e: true, - 0x1f: true, - /* 0x20 - 0xff */ + needEscape = &[256]bool{ + '"': true, + '\\': true, + 0x00: true, + 0x01: true, + 0x02: true, + 0x03: true, + 0x04: true, + 0x05: true, + 0x06: true, + 0x07: true, + 0x08: true, + 0x09: true, + 0x0a: true, + 0x0b: true, + 0x0c: true, + 0x0d: true, + 0x0e: true, + 0x0f: true, + 0x10: true, + 0x11: true, + 0x12: true, + 0x13: true, + 0x14: true, + 0x15: true, + 0x16: true, + 0x17: true, + 0x18: true, + 0x19: true, + 0x1a: true, + 0x1b: true, + 0x1c: true, + 0x1d: true, + 0x1e: true, + 0x1f: true, + /* 0x20 - 0xff */ + } + }) }