diff options
Diffstat (limited to 'vendor/github.com/BurntSushi/toml')
| -rw-r--r-- | vendor/github.com/BurntSushi/toml/.gitignore | 2 | ||||
| -rw-r--r-- | vendor/github.com/BurntSushi/toml/COMPATIBLE | 1 | ||||
| -rw-r--r-- | vendor/github.com/BurntSushi/toml/README.md | 210 | ||||
| -rw-r--r-- | vendor/github.com/BurntSushi/toml/decode.go | 393 | ||||
| -rw-r--r-- | vendor/github.com/BurntSushi/toml/decode_go116.go | 5 | ||||
| -rw-r--r-- | vendor/github.com/BurntSushi/toml/deprecated.go | 24 | ||||
| -rw-r--r-- | vendor/github.com/BurntSushi/toml/doc.go | 22 | ||||
| -rw-r--r-- | vendor/github.com/BurntSushi/toml/encode.go | 320 | ||||
| -rw-r--r-- | vendor/github.com/BurntSushi/toml/error.go | 279 | ||||
| -rw-r--r-- | vendor/github.com/BurntSushi/toml/lex.go | 374 | ||||
| -rw-r--r-- | vendor/github.com/BurntSushi/toml/meta.go (renamed from vendor/github.com/BurntSushi/toml/decode_meta.go) | 112 | ||||
| -rw-r--r-- | vendor/github.com/BurntSushi/toml/parse.go | 216 | ||||
| -rw-r--r-- | vendor/github.com/BurntSushi/toml/type_fields.go | 4 | ||||
| -rw-r--r-- | vendor/github.com/BurntSushi/toml/type_toml.go (renamed from vendor/github.com/BurntSushi/toml/type_check.go) | 2 |
14 files changed, 1184 insertions, 780 deletions
diff --git a/vendor/github.com/BurntSushi/toml/.gitignore b/vendor/github.com/BurntSushi/toml/.gitignore index cd11be9..fe79e3a 100644 --- a/vendor/github.com/BurntSushi/toml/.gitignore +++ b/vendor/github.com/BurntSushi/toml/.gitignore @@ -1,2 +1,2 @@ -toml.test +/toml.test /toml-test diff --git a/vendor/github.com/BurntSushi/toml/COMPATIBLE b/vendor/github.com/BurntSushi/toml/COMPATIBLE deleted file mode 100644 index f621b01..0000000 --- a/vendor/github.com/BurntSushi/toml/COMPATIBLE +++ /dev/null @@ -1 +0,0 @@ -Compatible with TOML version [v1.0.0](https://toml.io/en/v1.0.0). diff --git a/vendor/github.com/BurntSushi/toml/README.md b/vendor/github.com/BurntSushi/toml/README.md index 64410cf..3651cfa 100644 --- a/vendor/github.com/BurntSushi/toml/README.md +++ b/vendor/github.com/BurntSushi/toml/README.md @@ -1,10 +1,5 @@ -## TOML parser and encoder for Go with reflection - TOML stands for Tom's Obvious, Minimal Language. This Go package provides a -reflection interface similar to Go's standard library `json` and `xml` -packages. This package also supports the `encoding.TextUnmarshaler` and -`encoding.TextMarshaler` interfaces so that you can define custom data -representations. (There is an example of this below.) +reflection interface similar to Go's standard library `json` and `xml` packages. Compatible with TOML version [v1.0.0](https://toml.io/en/v1.0.0). @@ -14,28 +9,18 @@ See the [releases page](https://github.com/BurntSushi/toml/releases) for a changelog; this information is also in the git tag annotations (e.g. `git show v0.4.0`). -This library requires Go 1.13 or newer; install it with: +This library requires Go 1.13 or newer; add it to your go.mod with: - $ go get github.com/BurntSushi/toml + % go get github.com/BurntSushi/toml@latest It also comes with a TOML validator CLI tool: - $ go get github.com/BurntSushi/toml/cmd/tomlv - $ tomlv some-toml-file.toml - -### Testing - -This package passes all tests in -[toml-test](https://github.com/BurntSushi/toml-test) for both the decoder -and the encoder. + % go install github.com/BurntSushi/toml/cmd/tomlv@latest + % tomlv some-toml-file.toml ### Examples - -This package works similarly to how the Go standard library handles XML and -JSON. Namely, data is loaded into Go values via reflection. - -For the simplest example, consider some TOML file as just a list of keys -and values: +For the simplest example, consider some TOML file as just a list of keys and +values: ```toml Age = 25 @@ -45,7 +30,7 @@ Perfection = [ 6, 28, 496, 8128 ] DOB = 1987-07-05T05:45:00Z ``` -Which could be defined in Go as: +Which can be decoded with: ```go type Config struct { @@ -53,21 +38,15 @@ type Config struct { Cats []string Pi float64 Perfection []int - DOB time.Time // requires `import time` + DOB time.Time } -``` -And then decoded with: - -```go var conf Config -if _, err := toml.Decode(tomlData, &conf); err != nil { - // handle error -} +_, err := toml.Decode(tomlData, &conf) ``` -You can also use struct tags if your struct field name doesn't map to a TOML -key value directly: +You can also use struct tags if your struct field name doesn't map to a TOML key +value directly: ```toml some_key_NAME = "wat" @@ -75,146 +54,67 @@ some_key_NAME = "wat" ```go type TOML struct { - ObscureKey string `toml:"some_key_NAME"` + ObscureKey string `toml:"some_key_NAME"` } ``` -Beware that like other most other decoders **only exported fields** are -considered when encoding and decoding; private fields are silently ignored. - -### Using the `encoding.TextUnmarshaler` interface +Beware that like other decoders **only exported fields** are considered when +encoding and decoding; private fields are silently ignored. -Here's an example that automatically parses duration strings into -`time.Duration` values: +### Using the `Marshaler` and `encoding.TextUnmarshaler` interfaces +Here's an example that automatically parses values in a `mail.Address`: ```toml -[[song]] -name = "Thunder Road" -duration = "4m49s" - -[[song]] -name = "Stairway to Heaven" -duration = "8m03s" -``` - -Which can be decoded with: - -```go -type song struct { - Name string - Duration duration -} -type songs struct { - Song []song -} -var favorites songs -if _, err := toml.Decode(blob, &favorites); err != nil { - log.Fatal(err) -} - -for _, s := range favorites.Song { - fmt.Printf("%s (%s)\n", s.Name, s.Duration) -} +contacts = [ + "Donald Duck <donald@duckburg.com>", + "Scrooge McDuck <scrooge@duckburg.com>", +] ``` -And you'll also need a `duration` type that satisfies the -`encoding.TextUnmarshaler` interface: +Can be decoded with: ```go -type duration struct { - time.Duration +// Create address type which satisfies the encoding.TextUnmarshaler interface. +type address struct { + *mail.Address } -func (d *duration) UnmarshalText(text []byte) error { +func (a *address) UnmarshalText(text []byte) error { var err error - d.Duration, err = time.ParseDuration(string(text)) + a.Address, err = mail.ParseAddress(string(text)) return err } + +// Decode it. +func decode() { + blob := ` + contacts = [ + "Donald Duck <donald@duckburg.com>", + "Scrooge McDuck <scrooge@duckburg.com>", + ] + ` + + var contacts struct { + Contacts []address + } + + _, err := toml.Decode(blob, &contacts) + if err != nil { + log.Fatal(err) + } + + for _, c := range contacts.Contacts { + fmt.Printf("%#v\n", c.Address) + } + + // Output: + // &mail.Address{Name:"Donald Duck", Address:"donald@duckburg.com"} + // &mail.Address{Name:"Scrooge McDuck", Address:"scrooge@duckburg.com"} +} ``` To target TOML specifically you can implement `UnmarshalTOML` TOML interface in a similar way. ### More complex usage - -Here's an example of how to load the example from the official spec page: - -```toml -# This is a TOML document. Boom. - -title = "TOML Example" - -[owner] -name = "Tom Preston-Werner" -organization = "GitHub" -bio = "GitHub Cofounder & CEO\nLikes tater tots and beer." -dob = 1979-05-27T07:32:00Z # First class dates? Why not? - -[database] -server = "192.168.1.1" -ports = [ 8001, 8001, 8002 ] -connection_max = 5000 -enabled = true - -[servers] - - # You can indent as you please. Tabs or spaces. TOML don't care. - [servers.alpha] - ip = "10.0.0.1" - dc = "eqdc10" - - [servers.beta] - ip = "10.0.0.2" - dc = "eqdc10" - -[clients] -data = [ ["gamma", "delta"], [1, 2] ] # just an update to make sure parsers support it - -# Line breaks are OK when inside arrays -hosts = [ - "alpha", - "omega" -] -``` - -And the corresponding Go types are: - -```go -type tomlConfig struct { - Title string - Owner ownerInfo - DB database `toml:"database"` - Servers map[string]server - Clients clients -} - -type ownerInfo struct { - Name string - Org string `toml:"organization"` - Bio string - DOB time.Time -} - -type database struct { - Server string - Ports []int - ConnMax int `toml:"connection_max"` - Enabled bool -} - -type server struct { - IP string - DC string -} - -type clients struct { - Data [][]interface{} - Hosts []string -} -``` - -Note that a case insensitive match will be tried if an exact match can't be -found. - -A working example of the above can be found in `_examples/example.{go,toml}`. - +See the [`_example/`](/_example) directory for a more complex example. diff --git a/vendor/github.com/BurntSushi/toml/decode.go b/vendor/github.com/BurntSushi/toml/decode.go index d3d3b83..0ca1dc4 100644 --- a/vendor/github.com/BurntSushi/toml/decode.go +++ b/vendor/github.com/BurntSushi/toml/decode.go @@ -1,13 +1,16 @@ package toml import ( + "bytes" "encoding" + "encoding/json" "fmt" "io" "io/ioutil" "math" "os" "reflect" + "strconv" "strings" "time" ) @@ -18,16 +21,35 @@ type Unmarshaler interface { UnmarshalTOML(interface{}) error } -// Unmarshal decodes the contents of `p` in TOML format into a pointer `v`. -func Unmarshal(p []byte, v interface{}) error { - _, err := Decode(string(p), v) +// Unmarshal decodes the contents of data in TOML format into a pointer v. +// +// See [Decoder] for a description of the decoding process. +func Unmarshal(data []byte, v interface{}) error { + _, err := NewDecoder(bytes.NewReader(data)).Decode(v) return err } +// Decode the TOML data in to the pointer v. +// +// See [Decoder] for a description of the decoding process. +func Decode(data string, v interface{}) (MetaData, error) { + return NewDecoder(strings.NewReader(data)).Decode(v) +} + +// DecodeFile reads the contents of a file and decodes it with [Decode]. +func DecodeFile(path string, v interface{}) (MetaData, error) { + fp, err := os.Open(path) + if err != nil { + return MetaData{}, err + } + defer fp.Close() + return NewDecoder(fp).Decode(v) +} + // Primitive is a TOML value that hasn't been decoded into a Go value. // // This type can be used for any value, which will cause decoding to be delayed. -// You can use the PrimitiveDecode() function to "manually" decode these values. +// You can use [PrimitiveDecode] to "manually" decode these values. // // NOTE: The underlying representation of a `Primitive` value is subject to // change. Do not rely on it. @@ -40,32 +62,25 @@ type Primitive struct { context Key } -// PrimitiveDecode is just like the other `Decode*` functions, except it -// decodes a TOML value that has already been parsed. Valid primitive values -// can *only* be obtained from values filled by the decoder functions, -// including this method. (i.e., `v` may contain more `Primitive` -// values.) -// -// Meta data for primitive values is included in the meta data returned by -// the `Decode*` functions with one exception: keys returned by the Undecoded -// method will only reflect keys that were decoded. Namely, any keys hidden -// behind a Primitive will be considered undecoded. Executing this method will -// update the undecoded keys in the meta data. (See the example.) -func (md *MetaData) PrimitiveDecode(primValue Primitive, v interface{}) error { - md.context = primValue.context - defer func() { md.context = nil }() - return md.unify(primValue.undecoded, rvalue(v)) -} +// The significand precision for float32 and float64 is 24 and 53 bits; this is +// the range a natural number can be stored in a float without loss of data. +const ( + maxSafeFloat32Int = 16777215 // 2^24-1 + maxSafeFloat64Int = int64(9007199254740991) // 2^53-1 +) // Decoder decodes TOML data. // -// TOML tables correspond to Go structs or maps (dealer's choice – they can be -// used interchangeably). +// TOML tables correspond to Go structs or maps; they can be used +// interchangeably, but structs offer better type safety. // // TOML table arrays correspond to either a slice of structs or a slice of maps. // -// TOML datetimes correspond to Go time.Time values. Local datetimes are parsed -// in the local timezone. +// TOML datetimes correspond to [time.Time]. Local datetimes are parsed in the +// local timezone. +// +// [time.Duration] types are treated as nanoseconds if the TOML value is an +// integer, or they're parsed with time.ParseDuration() if they're strings. // // All other TOML types (float, string, int, bool and array) correspond to the // obvious Go types. @@ -74,9 +89,9 @@ func (md *MetaData) PrimitiveDecode(primValue Primitive, v interface{}) error { // interface, in which case any primitive TOML value (floats, strings, integers, // booleans, datetimes) will be converted to a []byte and given to the value's // UnmarshalText method. See the Unmarshaler example for a demonstration with -// time duration strings. +// email addresses. // -// Key mapping +// ### Key mapping // // TOML keys can map to either keys in a Go map or field names in a Go struct. // The special `toml` struct tag can be used to map TOML keys to struct fields @@ -100,18 +115,39 @@ func NewDecoder(r io.Reader) *Decoder { return &Decoder{r: r} } +var ( + unmarshalToml = reflect.TypeOf((*Unmarshaler)(nil)).Elem() + unmarshalText = reflect.TypeOf((*encoding.TextUnmarshaler)(nil)).Elem() + primitiveType = reflect.TypeOf((*Primitive)(nil)).Elem() +) + // Decode TOML data in to the pointer `v`. func (dec *Decoder) Decode(v interface{}) (MetaData, error) { rv := reflect.ValueOf(v) if rv.Kind() != reflect.Ptr { - return MetaData{}, e("Decode of non-pointer %s", reflect.TypeOf(v)) + s := "%q" + if reflect.TypeOf(v) == nil { + s = "%v" + } + + return MetaData{}, fmt.Errorf("toml: cannot decode to non-pointer "+s, reflect.TypeOf(v)) } if rv.IsNil() { - return MetaData{}, e("Decode of nil %s", reflect.TypeOf(v)) + return MetaData{}, fmt.Errorf("toml: cannot decode to nil value of %q", reflect.TypeOf(v)) + } + + // Check if this is a supported type: struct, map, interface{}, or something + // that implements UnmarshalTOML or UnmarshalText. + rv = indirect(rv) + rt := rv.Type() + if rv.Kind() != reflect.Struct && rv.Kind() != reflect.Map && + !(rv.Kind() == reflect.Interface && rv.NumMethod() == 0) && + !rt.Implements(unmarshalToml) && !rt.Implements(unmarshalText) { + return MetaData{}, fmt.Errorf("toml: cannot decode to type %s", rt) } - // TODO: have parser should read from io.Reader? Or at the very least, make - // it read from []byte rather than string + // TODO: parser should read from io.Reader? Or at the very least, make it + // read from []byte rather than string data, err := ioutil.ReadAll(dec.r) if err != nil { return MetaData{}, err @@ -121,29 +157,32 @@ func (dec *Decoder) Decode(v interface{}) (MetaData, error) { if err != nil { return MetaData{}, err } + md := MetaData{ - p.mapping, p.types, p.ordered, - make(map[string]bool, len(p.ordered)), nil, - } - return md, md.unify(p.mapping, indirect(rv)) + mapping: p.mapping, + keyInfo: p.keyInfo, + keys: p.ordered, + decoded: make(map[string]struct{}, len(p.ordered)), + context: nil, + data: data, + } + return md, md.unify(p.mapping, rv) } -// Decode the TOML data in to the pointer v. +// PrimitiveDecode is just like the other Decode* functions, except it decodes a +// TOML value that has already been parsed. Valid primitive values can *only* be +// obtained from values filled by the decoder functions, including this method. +// (i.e., v may contain more [Primitive] values.) // -// See the documentation on Decoder for a description of the decoding process. -func Decode(data string, v interface{}) (MetaData, error) { - return NewDecoder(strings.NewReader(data)).Decode(v) -} - -// DecodeFile is just like Decode, except it will automatically read the -// contents of the file at path and decode it for you. -func DecodeFile(path string, v interface{}) (MetaData, error) { - fp, err := os.Open(path) - if err != nil { - return MetaData{}, err - } - defer fp.Close() - return NewDecoder(fp).Decode(v) +// Meta data for primitive values is included in the meta data returned by the +// Decode* functions with one exception: keys returned by the Undecoded method +// will only reflect keys that were decoded. Namely, any keys hidden behind a +// Primitive will be considered undecoded. Executing this method will update the +// undecoded keys in the meta data. (See the example.) +func (md *MetaData) PrimitiveDecode(primValue Primitive, v interface{}) error { + md.context = primValue.context + defer func() { md.context = nil }() + return md.unify(primValue.undecoded, rvalue(v)) } // unify performs a sort of type unification based on the structure of `rv`, @@ -154,7 +193,7 @@ func DecodeFile(path string, v interface{}) (MetaData, error) { func (md *MetaData) unify(data interface{}, rv reflect.Value) error { // Special case. Look for a `Primitive` value. // TODO: #76 would make this superfluous after implemented. - if rv.Type() == reflect.TypeOf((*Primitive)(nil)).Elem() { + if rv.Type() == primitiveType { // Save the undecoded data and the key context into the primitive // value. context := make(Key, len(md.context)) @@ -166,17 +205,14 @@ func (md *MetaData) unify(data interface{}, rv reflect.Value) error { return nil } - // Special case. Unmarshaler Interface support. - if rv.CanAddr() { - if v, ok := rv.Addr().Interface().(Unmarshaler); ok { - return v.UnmarshalTOML(data) - } + rvi := rv.Interface() + if v, ok := rvi.(Unmarshaler); ok { + return v.UnmarshalTOML(data) } - - // Special case. Look for a value satisfying the TextUnmarshaler interface. - if v, ok := rv.Interface().(encoding.TextUnmarshaler); ok { + if v, ok := rvi.(encoding.TextUnmarshaler); ok { return md.unifyText(data, v) } + // TODO: // The behavior here is incorrect whenever a Go type satisfies the // encoding.TextUnmarshaler interface but also corresponds to a TOML hash or @@ -187,7 +223,6 @@ func (md *MetaData) unify(data interface{}, rv reflect.Value) error { k := rv.Kind() - // laziness if k >= reflect.Int && k <= reflect.Uint64 { return md.unifyInt(data, rv) } @@ -213,17 +248,14 @@ func (md *MetaData) unify(data interface{}, rv reflect.Value) error { case reflect.Bool: return md.unifyBool(data, rv) case reflect.Interface: - // we only support empty interfaces. - if rv.NumMethod() > 0 { - return e("unsupported type %s", rv.Type()) + if rv.NumMethod() > 0 { // Only support empty interfaces are supported. + return md.e("unsupported type %s", rv.Type()) } return md.unifyAnything(data, rv) - case reflect.Float32: - fallthrough - case reflect.Float64: + case reflect.Float32, reflect.Float64: return md.unifyFloat64(data, rv) } - return e("unsupported type %s", rv.Kind()) + return md.e("unsupported type %s", rv.Kind()) } func (md *MetaData) unifyStruct(mapping interface{}, rv reflect.Value) error { @@ -232,7 +264,7 @@ func (md *MetaData) unifyStruct(mapping interface{}, rv reflect.Value) error { if mapping == nil { return nil } - return e("type mismatch for %s: expected table but found %T", + return md.e("type mismatch for %s: expected table but found %T", rv.Type().String(), mapping) } @@ -254,17 +286,18 @@ func (md *MetaData) unifyStruct(mapping interface{}, rv reflect.Value) error { for _, i := range f.index { subv = indirect(subv.Field(i)) } + if isUnifiable(subv) { - md.decoded[md.context.add(key).String()] = true + md.decoded[md.context.add(key).String()] = struct{}{} md.context = append(md.context, key) - if err := md.unify(datum, subv); err != nil { + + err := md.unify(datum, subv) + if err != nil { return err } md.context = md.context[0 : len(md.context)-1] } else if f.name != "" { - // Bad user! No soup for you! - return e("cannot write unexported field %s.%s", - rv.Type().String(), f.name) + return md.e("cannot write unexported field %s.%s", rv.Type().String(), f.name) } } } @@ -272,10 +305,10 @@ func (md *MetaData) unifyStruct(mapping interface{}, rv reflect.Value) error { } func (md *MetaData) unifyMap(mapping interface{}, rv reflect.Value) error { - if k := rv.Type().Key().Kind(); k != reflect.String { - return fmt.Errorf( - "toml: cannot decode to a map with non-string key type (%s in %q)", - k, rv.Type()) + keyType := rv.Type().Key().Kind() + if keyType != reflect.String && keyType != reflect.Interface { + return fmt.Errorf("toml: cannot decode to a map with non-string key type (%s in %q)", + keyType, rv.Type()) } tmap, ok := mapping.(map[string]interface{}) @@ -283,23 +316,32 @@ func (md *MetaData) unifyMap(mapping interface{}, rv reflect.Value) error { if tmap == nil { return nil } - return badtype("map", mapping) + return md.badtype("map", mapping) } if rv.IsNil() { rv.Set(reflect.MakeMap(rv.Type())) } for k, v := range tmap { - md.decoded[md.context.add(k).String()] = true + md.decoded[md.context.add(k).String()] = struct{}{} md.context = append(md.context, k) - rvkey := indirect(reflect.New(rv.Type().Key())) rvval := reflect.Indirect(reflect.New(rv.Type().Elem())) - if err := md.unify(v, rvval); err != nil { + + err := md.unify(v, indirect(rvval)) + if err != nil { return err } md.context = md.context[0 : len(md.context)-1] - rvkey.SetString(k) + rvkey := indirect(reflect.New(rv.Type().Key())) + + switch keyType { + case reflect.Interface: + rvkey.Set(reflect.ValueOf(k)) + case reflect.String: + rvkey.SetString(k) + } + rv.SetMapIndex(rvkey, rvval) } return nil @@ -311,10 +353,10 @@ func (md *MetaData) unifyArray(data interface{}, rv reflect.Value) error { if !datav.IsValid() { return nil } - return badtype("slice", data) + return md.badtype("slice", data) } if l := datav.Len(); l != rv.Len() { - return e("expected array length %d; got TOML array of length %d", rv.Len(), l) + return md.e("expected array length %d; got TOML array of length %d", rv.Len(), l) } return md.unifySliceArray(datav, rv) } @@ -325,7 +367,7 @@ func (md *MetaData) unifySlice(data interface{}, rv reflect.Value) error { if !datav.IsValid() { return nil } - return badtype("slice", data) + return md.badtype("slice", data) } n := datav.Len() if rv.IsNil() || rv.Cap() < n { @@ -346,26 +388,35 @@ func (md *MetaData) unifySliceArray(data, rv reflect.Value) error { return nil } -func (md *MetaData) unifyDatetime(data interface{}, rv reflect.Value) error { - if _, ok := data.(time.Time); ok { - rv.Set(reflect.ValueOf(data)) +func (md *MetaData) unifyString(data interface{}, rv reflect.Value) error { + _, ok := rv.Interface().(json.Number) + if ok { + if i, ok := data.(int64); ok { + rv.SetString(strconv.FormatInt(i, 10)) + } else if f, ok := data.(float64); ok { + rv.SetString(strconv.FormatFloat(f, 'f', -1, 64)) + } else { + return md.badtype("string", data) + } return nil } - return badtype("time.Time", data) -} -func (md *MetaData) unifyString(data interface{}, rv reflect.Value) error { if s, ok := data.(string); ok { rv.SetString(s) return nil } - return badtype("string", data) + return md.badtype("string", data) } func (md *MetaData) unifyFloat64(data interface{}, rv reflect.Value) error { + rvk := rv.Kind() + if num, ok := data.(float64); ok { - switch rv.Kind() { + switch rvk { case reflect.Float32: + if num < -math.MaxFloat32 || num > math.MaxFloat32 { + return md.parseErr(errParseRange{i: num, size: rvk.String()}) + } fallthrough case reflect.Float64: rv.SetFloat(num) @@ -374,54 +425,60 @@ func (md *MetaData) unifyFloat64(data interface{}, rv reflect.Value) error { } return nil } - return badtype("float", data) + + if num, ok := data.(int64); ok { + if (rvk == reflect.Float32 && (num < -maxSafeFloat32Int || num > maxSafeFloat32Int)) || + (rvk == reflect.Float64 && (num < -maxSafeFloat64Int || num > maxSafeFloat64Int)) { + return md.parseErr(errParseRange{i: num, size: rvk.String()}) + } + rv.SetFloat(float64(num)) + return nil + } + + return md.badtype("float", data) } func (md *MetaData) unifyInt(data interface{}, rv reflect.Value) error { - if num, ok := data.(int64); ok { - if rv.Kind() >= reflect.Int && rv.Kind() <= reflect.Int64 { - switch rv.Kind() { - case reflect.Int, reflect.Int64: - // No bounds checking necessary. - case reflect.Int8: - if num < math.MinInt8 || num > math.MaxInt8 { - return e("value %d is out of range for int8", num) - } - case reflect.Int16: - if num < math.MinInt16 || num > math.MaxInt16 { - return e("value %d is out of range for int16", num) - } - case reflect.Int32: - if num < math.MinInt32 || num > math.MaxInt32 { - return e("value %d is out of range for int32", num) - } - } - rv.SetInt(num) - } else if rv.Kind() >= reflect.Uint && rv.Kind() <= reflect.Uint64 { - unum := uint64(num) - switch rv.Kind() { - case reflect.Uint, reflect.Uint64: - // No bounds checking necessary. - case reflect.Uint8: - if num < 0 || unum > math.MaxUint8 { - return e("value %d is out of range for uint8", num) - } - case reflect.Uint16: - if num < 0 || unum > math.MaxUint16 { - return e("value %d is out of range for uint16", num) - } - case reflect.Uint32: - if num < 0 || unum > math.MaxUint32 { - return e("value %d is out of range for uint32", num) - } + _, ok := rv.Interface().(time.Duration) + if ok { + // Parse as string duration, and fall back to regular integer parsing + // (as nanosecond) if this is not a string. + if s, ok := data.(string); ok { + dur, err := time.ParseDuration(s) + if err != nil { + return md.parseErr(errParseDuration{s}) } - rv.SetUint(unum) - } else { - panic("unreachable") + rv.SetInt(int64(dur)) + return nil } - return nil } - return badtype("integer", data) + + num, ok := data.(int64) + if !ok { + return md.badtype("integer", data) + } + + rvk := rv.Kind() + switch { + case rvk >= reflect.Int && rvk <= reflect.Int64: + if (rvk == reflect.Int8 && (num < math.MinInt8 || num > math.MaxInt8)) || + (rvk == reflect.Int16 && (num < math.MinInt16 || num > math.MaxInt16)) || + (rvk == reflect.Int32 && (num < math.MinInt32 || num > math.MaxInt32)) { + return md.parseErr(errParseRange{i: num, size: rvk.String()}) + } + rv.SetInt(num) + case rvk >= reflect.Uint && rvk <= reflect.Uint64: + unum := uint64(num) + if rvk == reflect.Uint8 && (num < 0 || unum > math.MaxUint8) || + rvk == reflect.Uint16 && (num < 0 || unum > math.MaxUint16) || + rvk == reflect.Uint32 && (num < 0 || unum > math.MaxUint32) { + return md.parseErr(errParseRange{i: num, size: rvk.String()}) + } + rv.SetUint(unum) + default: + panic("unreachable") + } + return nil } func (md *MetaData) unifyBool(data interface{}, rv reflect.Value) error { @@ -429,7 +486,7 @@ func (md *MetaData) unifyBool(data interface{}, rv reflect.Value) error { rv.SetBool(b) return nil } - return badtype("boolean", data) + return md.badtype("boolean", data) } func (md *MetaData) unifyAnything(data interface{}, rv reflect.Value) error { @@ -440,7 +497,13 @@ func (md *MetaData) unifyAnything(data interface{}, rv reflect.Value) error { func (md *MetaData) unifyText(data interface{}, v encoding.TextUnmarshaler) error { var s string switch sdata := data.(type) { - case TextMarshaler: + case Marshaler: + text, err := sdata.MarshalTOML() + if err != nil { + return err + } + s = string(text) + case encoding.TextMarshaler: text, err := sdata.MarshalText() if err != nil { return err @@ -457,7 +520,7 @@ func (md *MetaData) unifyText(data interface{}, v encoding.TextUnmarshaler) erro case float64: s = fmt.Sprintf("%f", sdata) default: - return badtype("primitive (string-like)", data) + return md.badtype("primitive (string-like)", data) } if err := v.UnmarshalText([]byte(s)); err != nil { return err @@ -465,22 +528,54 @@ func (md *MetaData) unifyText(data interface{}, v encoding.TextUnmarshaler) erro return nil } +func (md *MetaData) badtype(dst string, data interface{}) error { + return md.e("incompatible types: TOML value has type %T; destination has type %s", data, dst) +} + +func (md *MetaData) parseErr(err error) error { + k := md.context.String() + return ParseError{ + LastKey: k, + Position: md.keyInfo[k].pos, + Line: md.keyInfo[k].pos.Line, + err: err, + input: string(md.data), + } +} + +func (md *MetaData) e(format string, args ...interface{}) error { + f := "toml: " + if len(md.context) > 0 { + f = fmt.Sprintf("toml: (last key %q): ", md.context) + p := md.keyInfo[md.context.String()].pos + if p.Line > 0 { + f = fmt.Sprintf("toml: line %d (last key %q): ", p.Line, md.context) + } + } + return fmt.Errorf(f+format, args...) +} + // rvalue returns a reflect.Value of `v`. All pointers are resolved. func rvalue(v interface{}) reflect.Value { return indirect(reflect.ValueOf(v)) } // indirect returns the value pointed to by a pointer. -// Pointers are followed until the value is not a pointer. -// New values are allocated for each nil pointer. // -// An exception to this rule is if the value satisfies an interface of -// interest to us (like encoding.TextUnmarshaler). +// Pointers are followed until the value is not a pointer. New values are +// allocated for each nil pointer. +// +// An exception to this rule is if the value satisfies an interface of interest +// to us (like encoding.TextUnmarshaler). func indirect(v reflect.Value) reflect.Value { if v.Kind() != reflect.Ptr { if v.CanSet() { pv := v.Addr() - if _, ok := pv.Interface().(encoding.TextUnmarshaler); ok { + pvi := pv.Interface() + if _, ok := pvi.(encoding.TextUnmarshaler); ok { + return pv + } + if _, ok := pvi.(Unmarshaler); ok { return pv } } @@ -496,16 +591,12 @@ func isUnifiable(rv reflect.Value) bool { if rv.CanSet() { return true } - if _, ok := rv.Interface().(encoding.TextUnmarshaler); ok { + rvi := rv.Interface() + if _, ok := rvi.(encoding.TextUnmarshaler); ok { + return true + } + if _, ok := rvi.(Unmarshaler); ok { return true } return false } - -func e(format string, args ...interface{}) error { - return fmt.Errorf("toml: "+format, args...) -} - -func badtype(expected string, data interface{}) error { - return e("cannot load TOML value of type %T into a Go %s", data, expected) -} diff --git a/vendor/github.com/BurntSushi/toml/decode_go116.go b/vendor/github.com/BurntSushi/toml/decode_go116.go index 38aa75f..086d0b6 100644 --- a/vendor/github.com/BurntSushi/toml/decode_go116.go +++ b/vendor/github.com/BurntSushi/toml/decode_go116.go @@ -1,3 +1,4 @@ +//go:build go1.16 // +build go1.16 package toml @@ -6,8 +7,8 @@ import ( "io/fs" ) -// DecodeFS is just like Decode, except it will automatically read the contents -// of the file at `path` from a fs.FS instance. +// DecodeFS reads the contents of a file from [fs.FS] and decodes it with +// [Decode]. func DecodeFS(fsys fs.FS, path string, v interface{}) (MetaData, error) { fp, err := fsys.Open(path) if err != nil { diff --git a/vendor/github.com/BurntSushi/toml/deprecated.go b/vendor/github.com/BurntSushi/toml/deprecated.go index db89eac..c6af3f2 100644 --- a/vendor/github.com/BurntSushi/toml/deprecated.go +++ b/vendor/github.com/BurntSushi/toml/deprecated.go @@ -5,29 +5,17 @@ import ( "io" ) -// DEPRECATED! -// -// Use the identical encoding.TextMarshaler instead. It is defined here to -// support Go 1.1 and older. +// Deprecated: use encoding.TextMarshaler type TextMarshaler encoding.TextMarshaler -// DEPRECATED! -// -// Use the identical encoding.TextUnmarshaler instead. It is defined here to -// support Go 1.1 and older. +// Deprecated: use encoding.TextUnmarshaler type TextUnmarshaler encoding.TextUnmarshaler -// DEPRECATED! -// -// Use MetaData.PrimitiveDecode instead. +// Deprecated: use MetaData.PrimitiveDecode. func PrimitiveDecode(primValue Primitive, v interface{}) error { - md := MetaData{decoded: make(map[string]bool)} + md := MetaData{decoded: make(map[string]struct{})} return md.unify(primValue.undecoded, rvalue(v)) } -// DEPRECATED! -// -// Use NewDecoder(reader).Decode(&v) instead. -func DecodeReader(r io.Reader, v interface{}) (MetaData, error) { - return NewDecoder(r).Decode(v) -} +// Deprecated: use NewDecoder(reader).Decode(&value). +func DecodeReader(r io.Reader, v interface{}) (MetaData, error) { return NewDecoder(r).Decode(v) } diff --git a/vendor/github.com/BurntSushi/toml/doc.go b/vendor/github.com/BurntSushi/toml/doc.go index 099c4a7..81a7c0f 100644 --- a/vendor/github.com/BurntSushi/toml/doc.go +++ b/vendor/github.com/BurntSushi/toml/doc.go @@ -1,13 +1,11 @@ -/* -Package toml implements decoding and encoding of TOML files. - -This package supports TOML v1.0.0, as listed on https://toml.io - -There is also support for delaying decoding with the Primitive type, and -querying the set of keys in a TOML document with the MetaData type. - -The github.com/BurntSushi/toml/cmd/tomlv package implements a TOML validator, -and can be used to verify if TOML document is valid. It can also be used to -print the type of each key. -*/ +// Package toml implements decoding and encoding of TOML files. +// +// This package supports TOML v1.0.0, as specified at https://toml.io +// +// There is also support for delaying decoding with the Primitive type, and +// querying the set of keys in a TOML document with the MetaData type. +// +// The github.com/BurntSushi/toml/cmd/tomlv package implements a TOML validator, +// and can be used to verify if TOML document is valid. It can also be used to +// print the type of each key. package toml diff --git a/vendor/github.com/BurntSushi/toml/encode.go b/vendor/github.com/BurntSushi/toml/encode.go index 10d88ac..930e1d5 100644 --- a/vendor/github.com/BurntSushi/toml/encode.go +++ b/vendor/github.com/BurntSushi/toml/encode.go @@ -3,6 +3,7 @@ package toml import ( "bufio" "encoding" + "encoding/json" "errors" "fmt" "io" @@ -21,12 +22,11 @@ type tomlEncodeError struct{ error } var ( errArrayNilElement = errors.New("toml: cannot encode array with nil element") errNonString = errors.New("toml: cannot encode a map with non-string key type") - errAnonNonStruct = errors.New("toml: cannot encode an anonymous field that is not a struct") errNoKey = errors.New("toml: top-level values must be Go maps or structs") errAnything = errors.New("") // used in testing ) -var quotedReplacer = strings.NewReplacer( +var dblQuotedReplacer = strings.NewReplacer( "\"", "\\\"", "\\", "\\\\", "\x00", `\u0000`, @@ -64,35 +64,62 @@ var quotedReplacer = strings.NewReplacer( "\x7f", `\u007f`, ) +var ( + marshalToml = reflect.TypeOf((*Marshaler)(nil)).Elem() + marshalText = reflect.TypeOf((*encoding.TextMarshaler)(nil)).Elem() + timeType = reflect.TypeOf((*time.Time)(nil)).Elem() +) + +// Marshaler is the interface implemented by types that can marshal themselves +// into valid TOML. +type Marshaler interface { + MarshalTOML() ([]byte, error) +} + // Encoder encodes a Go to a TOML document. // // The mapping between Go values and TOML values should be precisely the same as -// for the Decode* functions. Similarly, the TextMarshaler interface is -// supported by encoding the resulting bytes as strings. If you want to write -// arbitrary binary data then you will need to use something like base64 since -// TOML does not have any binary types. +// for [Decode]. +// +// time.Time is encoded as a RFC 3339 string, and time.Duration as its string +// representation. +// +// The [Marshaler] and [encoding.TextMarshaler] interfaces are supported to +// encoding the value as custom TOML. +// +// If you want to write arbitrary binary data then you will need to use +// something like base64 since TOML does not have any binary types. // // When encoding TOML hashes (Go maps or structs), keys without any sub-hashes // are encoded first. // // Go maps will be sorted alphabetically by key for deterministic output. // +// The toml struct tag can be used to provide the key name; if omitted the +// struct field name will be used. If the "omitempty" option is present the +// following value will be skipped: +// +// - arrays, slices, maps, and string with len of 0 +// - struct with all zero values +// - bool false +// +// If omitzero is given all int and float types with a value of 0 will be +// skipped. +// // Encoding Go values without a corresponding TOML representation will return an // error. Examples of this includes maps with non-string keys, slices with nil // elements, embedded non-struct types, and nested slices containing maps or // structs. (e.g. [][]map[string]string is not allowed but []map[string]string // is okay, as is []map[string][]string). // -// NOTE: Only exported keys are encoded due to the use of reflection. Unexported +// NOTE: only exported keys are encoded due to the use of reflection. Unexported // keys are silently discarded. type Encoder struct { - // The string to use for a single indentation level. The default is two - // spaces. + // String to use for a single indentation level; default is two spaces. Indent string - // hasWritten is whether we have written any output to w yet. - hasWritten bool w *bufio.Writer + hasWritten bool // written any output to w yet? } // NewEncoder create a new Encoder. @@ -103,7 +130,7 @@ func NewEncoder(w io.Writer) *Encoder { } } -// Encode writes a TOML representation of the Go value to the Encoder's writer. +// Encode writes a TOML representation of the Go value to the [Encoder]'s writer. // // An error is returned if the value given cannot be encoded to a valid TOML // document. @@ -130,17 +157,15 @@ func (enc *Encoder) safeEncode(key Key, rv reflect.Value) (err error) { } func (enc *Encoder) encode(key Key, rv reflect.Value) { - // Special case. Time needs to be in ISO8601 format. - // Special case. If we can marshal the type to text, then we used that. - // Basically, this prevents the encoder for handling these types as - // generic structs (or whatever the underlying type of a TextMarshaler is). - switch t := rv.Interface().(type) { - case time.Time, encoding.TextMarshaler: + // If we can marshal the type to text, then we use that. This prevents the + // encoder for handling these types as generic structs (or whatever the + // underlying type of a TextMarshaler is). + switch { + case isMarshaler(rv): enc.writeKeyValue(key, rv, false) return - // TODO: #76 would make this superfluous after implemented. - case Primitive: - enc.encode(key, reflect.ValueOf(t.undecoded)) + case rv.Type() == primitiveType: // TODO: #76 would make this superfluous after implemented. + enc.encode(key, reflect.ValueOf(rv.Interface().(Primitive).undecoded)) return } @@ -200,17 +225,49 @@ func (enc *Encoder) eElement(rv reflect.Value) { enc.wf(v.In(time.UTC).Format(format)) } return + case Marshaler: + s, err := v.MarshalTOML() + if err != nil { + encPanic(err) + } + if s == nil { + encPanic(errors.New("MarshalTOML returned nil and no error")) + } + enc.w.Write(s) + return case encoding.TextMarshaler: - // Use text marshaler if it's available for this value. - if s, err := v.MarshalText(); err != nil { + s, err := v.MarshalText() + if err != nil { encPanic(err) - } else { - enc.writeQuoted(string(s)) } + if s == nil { + encPanic(errors.New("MarshalText returned nil and no error")) + } + enc.writeQuoted(string(s)) + return + case time.Duration: + enc.writeQuoted(v.String()) return + case json.Number: + n, _ := rv.Interface().(json.Number) + + if n == "" { /// Useful zero value. + enc.w.WriteByte('0') + return + } else if v, err := n.Int64(); err == nil { + enc.eElement(reflect.ValueOf(v)) + return + } else if v, err := n.Float64(); err == nil { + enc.eElement(reflect.ValueOf(v)) + return + } + encPanic(fmt.Errorf("unable to convert %q to int64 or float64", n)) } switch rv.Kind() { + case reflect.Ptr: + enc.eElement(rv.Elem()) + return case reflect.String: enc.writeQuoted(rv.String()) case reflect.Bool: @@ -246,7 +303,7 @@ func (enc *Encoder) eElement(rv reflect.Value) { case reflect.Interface: enc.eElement(rv.Elem()) default: - encPanic(fmt.Errorf("unexpected primitive type: %T", rv.Interface())) + encPanic(fmt.Errorf("unexpected type: %T", rv.Interface())) } } @@ -260,14 +317,14 @@ func floatAddDecimal(fstr string) string { } func (enc *Encoder) writeQuoted(s string) { - enc.wf("\"%s\"", quotedReplacer.Replace(s)) + enc.wf("\"%s\"", dblQuotedReplacer.Replace(s)) } func (enc *Encoder) eArrayOrSliceElement(rv reflect.Value) { length := rv.Len() enc.wf("[") for i := 0; i < length; i++ { - elem := rv.Index(i) + elem := eindirect(rv.Index(i)) enc.eElement(elem) if i != length-1 { enc.wf(", ") @@ -281,12 +338,12 @@ func (enc *Encoder) eArrayOfTables(key Key, rv reflect.Value) { encPanic(errNoKey) } for i := 0; i < rv.Len(); i++ { - trv := rv.Index(i) + trv := eindirect(rv.Index(i)) if isNil(trv) { continue } enc.newline() - enc.wf("%s[[%s]]", enc.indentStr(key), key.maybeQuotedAll()) + enc.wf("%s[[%s]]", enc.indentStr(key), key) enc.newline() enc.eMapOrStruct(key, trv, false) } @@ -299,14 +356,14 @@ func (enc *Encoder) eTable(key Key, rv reflect.Value) { enc.newline() } if len(key) > 0 { - enc.wf("%s[%s]", enc.indentStr(key), key.maybeQuotedAll()) + enc.wf("%s[%s]", enc.indentStr(key), key) enc.newline() } enc.eMapOrStruct(key, rv, false) } func (enc *Encoder) eMapOrStruct(key Key, rv reflect.Value, inline bool) { - switch rv := eindirect(rv); rv.Kind() { + switch rv.Kind() { case reflect.Map: enc.eMap(key, rv, inline) case reflect.Struct: @@ -328,7 +385,7 @@ func (enc *Encoder) eMap(key Key, rv reflect.Value, inline bool) { var mapKeysDirect, mapKeysSub []string for _, mapKey := range rv.MapKeys() { k := mapKey.String() - if typeIsHash(tomlTypeOfGo(rv.MapIndex(mapKey))) { + if typeIsTable(tomlTypeOfGo(eindirect(rv.MapIndex(mapKey)))) { mapKeysSub = append(mapKeysSub, k) } else { mapKeysDirect = append(mapKeysDirect, k) @@ -338,7 +395,7 @@ func (enc *Encoder) eMap(key Key, rv reflect.Value, inline bool) { var writeMapKeys = func(mapKeys []string, trailC bool) { sort.Strings(mapKeys) for i, mapKey := range mapKeys { - val := rv.MapIndex(reflect.ValueOf(mapKey)) + val := eindirect(rv.MapIndex(reflect.ValueOf(mapKey))) if isNil(val) { continue } @@ -364,6 +421,15 @@ func (enc *Encoder) eMap(key Key, rv reflect.Value, inline bool) { } } +const is32Bit = (32 << (^uint(0) >> 63)) == 32 + +func pointerTo(t reflect.Type) reflect.Type { + if t.Kind() == reflect.Ptr { + return pointerTo(t.Elem()) + } + return t +} + func (enc *Encoder) eStruct(key Key, rv reflect.Value, inline bool) { // Write keys for fields directly under this key first, because if we write // a field that creates a new table then all keys under it will be in that @@ -380,38 +446,42 @@ func (enc *Encoder) eStruct(key Key, rv reflect.Value, inline bool) { addFields = func(rt reflect.Type, rv reflect.Value, start []int) { for i := 0; i < rt.NumField(); i++ { f := rt.Field(i) - if f.PkgPath != "" && !f.Anonymous { /// Skip unexported fields. + isEmbed := f.Anonymous && pointerTo(f.Type).Kind() == reflect.Struct + if f.PkgPath != "" && !isEmbed { /// Skip unexported fields. + continue + } + opts := getOptions(f.Tag) + if opts.skip { continue } - frv := rv.Field(i) + frv := eindirect(rv.Field(i)) // Treat anonymous struct fields with tag names as though they are // not anonymous, like encoding/json does. // // Non-struct anonymous fields use the normal encoding logic. - if f.Anonymous { - t := f.Type - switch t.Kind() { - case reflect.Struct: - if getOptions(f.Tag).name == "" { - addFields(t, frv, append(start, f.Index...)) - continue - } - case reflect.Ptr: - if t.Elem().Kind() == reflect.Struct && getOptions(f.Tag).name == "" { - if !frv.IsNil() { - addFields(t.Elem(), frv.Elem(), append(start, f.Index...)) - } - continue - } + if isEmbed { + if getOptions(f.Tag).name == "" && frv.Kind() == reflect.Struct { + addFields(frv.Type(), frv, append(start, f.Index...)) + continue } } - if typeIsHash(tomlTypeOfGo(frv)) { + if typeIsTable(tomlTypeOfGo(frv)) { fieldsSub = append(fieldsSub, append(start, f.Index...)) } else { - fieldsDirect = append(fieldsDirect, append(start, f.Index...)) + // Copy so it works correct on 32bit archs; not clear why this + // is needed. See #314, and https://www.reddit.com/r/golang/comments/pnx8v4 + // This also works fine on 64bit, but 32bit archs are somewhat + // rare and this is a wee bit faster. + if is32Bit { + copyStart := make([]int, len(start)) + copy(copyStart, start) + fieldsDirect = append(fieldsDirect, append(copyStart, f.Index...)) + } else { + fieldsDirect = append(fieldsDirect, append(start, f.Index...)) + } } } } @@ -420,7 +490,7 @@ func (enc *Encoder) eStruct(key Key, rv reflect.Value, inline bool) { writeFields := func(fields [][]int) { for _, fieldIndex := range fields { fieldType := rt.FieldByIndex(fieldIndex) - fieldVal := rv.FieldByIndex(fieldIndex) + fieldVal := eindirect(rv.FieldByIndex(fieldIndex)) if isNil(fieldVal) { /// Don't write anything for nil fields. continue @@ -434,7 +504,8 @@ func (enc *Encoder) eStruct(key Key, rv reflect.Value, inline bool) { if opts.name != "" { keyName = opts.name } - if opts.omitempty && isEmpty(fieldVal) { + + if opts.omitempty && enc.isEmpty(fieldVal) { continue } if opts.omitzero && isZero(fieldVal) { @@ -462,17 +533,32 @@ func (enc *Encoder) eStruct(key Key, rv reflect.Value, inline bool) { } } -// tomlTypeName returns the TOML type name of the Go value's type. It is -// used to determine whether the types of array elements are mixed (which is -// forbidden). If the Go value is nil, then it is illegal for it to be an array -// element, and valueIsNil is returned as true. - -// Returns the TOML type of a Go value. The type may be `nil`, which means -// no concrete TOML type could be found. +// tomlTypeOfGo returns the TOML type name of the Go value's type. +// +// It is used to determine whether the types of array elements are mixed (which +// is forbidden). If the Go value is nil, then it is illegal for it to be an +// array element, and valueIsNil is returned as true. +// +// The type may be `nil`, which means no concrete TOML type could be found. func tomlTypeOfGo(rv reflect.Value) tomlType { if isNil(rv) || !rv.IsValid() { return nil } + + if rv.Kind() == reflect.Struct { + if rv.Type() == timeType { + return tomlDatetime + } + if isMarshaler(rv) { + return tomlString + } + return tomlHash + } + + if isMarshaler(rv) { + return tomlString + } + switch rv.Kind() { case reflect.Bool: return tomlBool @@ -484,7 +570,7 @@ func tomlTypeOfGo(rv reflect.Value) tomlType { case reflect.Float32, reflect.Float64: return tomlFloat case reflect.Array, reflect.Slice: - if typeEqual(tomlHash, tomlArrayType(rv)) { + if isTableArray(rv) { return tomlArrayHash } return tomlArray @@ -494,56 +580,35 @@ func tomlTypeOfGo(rv reflect.Value) tomlType { return tomlString case reflect.Map: return tomlHash - case reflect.Struct: - switch rv.Interface().(type) { - case time.Time: - return tomlDatetime - case encoding.TextMarshaler: - return tomlString - default: - // Someone used a pointer receiver: we can make it work for pointer - // values. - if rv.CanAddr() { - _, ok := rv.Addr().Interface().(encoding.TextMarshaler) - if ok { - return tomlString - } - } - return tomlHash - } default: - _, ok := rv.Interface().(encoding.TextMarshaler) - if ok { - return tomlString - } encPanic(errors.New("unsupported type: " + rv.Kind().String())) - panic("") // Need *some* return value + panic("unreachable") } } -// tomlArrayType returns the element type of a TOML array. The type returned -// may be nil if it cannot be determined (e.g., a nil slice or a zero length -// slize). This function may also panic if it finds a type that cannot be -// expressed in TOML (such as nil elements, heterogeneous arrays or directly -// nested arrays of tables). -func tomlArrayType(rv reflect.Value) tomlType { - if isNil(rv) || !rv.IsValid() || rv.Len() == 0 { - return nil +func isMarshaler(rv reflect.Value) bool { + return rv.Type().Implements(marshalText) || rv.Type().Implements(marshalToml) +} + +// isTableArray reports if all entries in the array or slice are a table. +func isTableArray(arr reflect.Value) bool { + if isNil(arr) || !arr.IsValid() || arr.Len() == 0 { + return false } - /// Don't allow nil. - rvlen := rv.Len() - for i := 1; i < rvlen; i++ { - if tomlTypeOfGo(rv.Index(i)) == nil { + ret := true + for i := 0; i < arr.Len(); i++ { + tt := tomlTypeOfGo(eindirect(arr.Index(i))) + // Don't allow nil. + if tt == nil { encPanic(errArrayNilElement) } - } - firstType := tomlTypeOfGo(rv.Index(0)) - if firstType == nil { - encPanic(errArrayNilElement) + if ret && !typeEqual(tomlHash, tt) { + ret = false + } } - return firstType + return ret } type tagOptions struct { @@ -584,10 +649,26 @@ func isZero(rv reflect.Value) bool { return false } -func isEmpty(rv reflect.Value) bool { +func (enc *Encoder) isEmpty(rv reflect.Value) bool { switch rv.Kind() { case reflect.Array, reflect.Slice, reflect.Map, reflect.String: return rv.Len() == 0 + case reflect.Struct: + if rv.Type().Comparable() { + return reflect.Zero(rv.Type()).Interface() == rv.Interface() + } + // Need to also check if all the fields are empty, otherwise something + // like this with uncomparable types will always return true: + // + // type a struct{ field b } + // type b struct{ s []string } + // s := a{field: b{s: []string{"AAA"}}} + for i := 0; i < rv.NumField(); i++ { + if !enc.isEmpty(rv.Field(i)) { + return false + } + } + return true case reflect.Bool: return !rv.Bool() } @@ -602,9 +683,15 @@ func (enc *Encoder) newline() { // Write a key/value pair: // -// key = <any value> +// key = <any value> +// +// This is also used for "k = v" in inline tables; so something like this will +// be written in three calls: // -// If inline is true it won't add a newline at the end. +// ┌───────────────────┐ +// │ ┌───┐ ┌────┐│ +// v v v v vv +// key = {k = 1, k2 = 2} func (enc *Encoder) writeKeyValue(key Key, val reflect.Value, inline bool) { if len(key) == 0 { encPanic(errNoKey) @@ -617,7 +704,8 @@ func (enc *Encoder) writeKeyValue(key Key, val reflect.Value, inline bool) { } func (enc *Encoder) wf(format string, v ...interface{}) { - if _, err := fmt.Fprintf(enc.w, format, v...); err != nil { + _, err := fmt.Fprintf(enc.w, format, v...) + if err != nil { encPanic(err) } enc.hasWritten = true @@ -631,13 +719,25 @@ func encPanic(err error) { panic(tomlEncodeError{err}) } +// Resolve any level of pointers to the actual value (e.g. **string → string). func eindirect(v reflect.Value) reflect.Value { - switch v.Kind() { - case reflect.Ptr, reflect.Interface: - return eindirect(v.Elem()) - default: + if v.Kind() != reflect.Ptr && v.Kind() != reflect.Interface { + if isMarshaler(v) { + return v + } + if v.CanAddr() { /// Special case for marshalers; see #358. + if pv := v.Addr(); isMarshaler(pv) { + return pv + } + } return v } + + if v.IsNil() { + return v + } + + return eindirect(v.Elem()) } func isNil(rv reflect.Value) bool { diff --git a/vendor/github.com/BurntSushi/toml/error.go b/vendor/github.com/BurntSushi/toml/error.go new file mode 100644 index 0000000..f4f390e --- /dev/null +++ b/vendor/github.com/BurntSushi/toml/error.go @@ -0,0 +1,279 @@ +package toml + +import ( + "fmt" + "strings" +) + +// ParseError is returned when there is an error parsing the TOML syntax such as +// invalid syntax, duplicate keys, etc. +// +// In addition to the error message itself, you can also print detailed location +// information with context by using [ErrorWithPosition]: +// +// toml: error: Key 'fruit' was already created and cannot be used as an array. +// +// At line 4, column 2-7: +// +// 2 | fruit = [] +// 3 | +// 4 | [[fruit]] # Not allowed +// ^^^^^ +// +// [ErrorWithUsage] can be used to print the above with some more detailed usage +// guidance: +// +// toml: error: newlines not allowed within inline tables +// +// At line 1, column 18: +// +// 1 | x = [{ key = 42 # +// ^ +// +// Error help: +// +// Inline tables must always be on a single line: +// +// table = {key = 42, second = 43} +// +// It is invalid to split them over multiple lines like so: +// +// # INVALID +// table = { +// key = 42, +// second = 43 +// } +// +// Use regular for this: +// +// [table] +// key = 42 +// second = 43 +type ParseError struct { + Message string // Short technical message. + Usage string // Longer message with usage guidance; may be blank. + Position Position // Position of the error + LastKey string // Last parsed key, may be blank. + + // Line the error occurred. + // + // Deprecated: use [Position]. + Line int + + err error + input string +} + +// Position of an error. +type Position struct { + Line int // Line number, starting at 1. + Start int // Start of error, as byte offset starting at 0. + Len int // Lenght in bytes. +} + +func (pe ParseError) Error() string { + msg := pe.Message + if msg == "" { // Error from errorf() + msg = pe.err.Error() + } + + if pe.LastKey == "" { + return fmt.Sprintf("toml: line %d: %s", pe.Position.Line, msg) + } + return fmt.Sprintf("toml: line %d (last key %q): %s", + pe.Position.Line, pe.LastKey, msg) +} + +// ErrorWithUsage() returns the error with detailed location context. +// +// See the documentation on [ParseError]. +func (pe ParseError) ErrorWithPosition() string { + if pe.input == "" { // Should never happen, but just in case. + return pe.Error() + } + + var ( + lines = strings.Split(pe.input, "\n") + col = pe.column(lines) + b = new(strings.Builder) + ) + + msg := pe.Message + if msg == "" { + msg = pe.err.Error() + } + + // TODO: don't show control characters as literals? This may not show up + // well everywhere. + + if pe.Position.Len == 1 { + fmt.Fprintf(b, "toml: error: %s\n\nAt line %d, column %d:\n\n", + msg, pe.Position.Line, col+1) + } else { + fmt.Fprintf(b, "toml: error: %s\n\nAt line %d, column %d-%d:\n\n", + msg, pe.Position.Line, col, col+pe.Position.Len) + } + if pe.Position.Line > 2 { + fmt.Fprintf(b, "% 7d | %s\n", pe.Position.Line-2, lines[pe.Position.Line-3]) + } + if pe.Position.Line > 1 { + fmt.Fprintf(b, "% 7d | %s\n", pe.Position.Line-1, lines[pe.Position.Line-2]) + } + fmt.Fprintf(b, "% 7d | %s\n", pe.Position.Line, lines[pe.Position.Line-1]) + fmt.Fprintf(b, "% 10s%s%s\n", "", strings.Repeat(" ", col), strings.Repeat("^", pe.Position.Len)) + return b.String() +} + +// ErrorWithUsage() returns the error with detailed location context and usage +// guidance. +// +// See the documentation on [ParseError]. +func (pe ParseError) ErrorWithUsage() string { + m := pe.ErrorWithPosition() + if u, ok := pe.err.(interface{ Usage() string }); ok && u.Usage() != "" { + lines := strings.Split(strings.TrimSpace(u.Usage()), "\n") + for i := range lines { + if lines[i] != "" { + lines[i] = " " + lines[i] + } + } + return m + "Error help:\n\n" + strings.Join(lines, "\n") + "\n" + } + return m +} + +func (pe ParseError) column(lines []string) int { + var pos, col int + for i := range lines { + ll := len(lines[i]) + 1 // +1 for the removed newline + if pos+ll >= pe.Position.Start { + col = pe.Position.Start - pos + if col < 0 { // Should never happen, but just in case. + col = 0 + } + break + } + pos += ll + } + + return col +} + +type ( + errLexControl struct{ r rune } + errLexEscape struct{ r rune } + errLexUTF8 struct{ b byte } + errLexInvalidNum struct{ v string } + errLexInvalidDate struct{ v string } + errLexInlineTableNL struct{} + errLexStringNL struct{} + errParseRange struct { + i interface{} // int or float + size string // "int64", "uint16", etc. + } + errParseDuration struct{ d string } +) + +func (e errLexControl) Error() string { + return fmt.Sprintf("TOML files cannot contain control characters: '0x%02x'", e.r) +} +func (e errLexControl) Usage() string { return "" } + +func (e errLexEscape) Error() string { return fmt.Sprintf(`invalid escape in string '\%c'`, e.r) } +func (e errLexEscape) Usage() string { return usageEscape } +func (e errLexUTF8) Error() string { return fmt.Sprintf("invalid UTF-8 byte: 0x%02x", e.b) } +func (e errLexUTF8) Usage() string { return "" } +func (e errLexInvalidNum) Error() string { return fmt.Sprintf("invalid number: %q", e.v) } +func (e errLexInvalidNum) Usage() string { return "" } +func (e errLexInvalidDate) Error() string { return fmt.Sprintf("invalid date: %q", e.v) } +func (e errLexInvalidDate) Usage() string { return "" } +func (e errLexInlineTableNL) Error() string { return "newlines not allowed within inline tables" } +func (e errLexInlineTableNL) Usage() string { return usageInlineNewline } +func (e errLexStringNL) Error() string { return "strings cannot contain newlines" } +func (e errLexStringNL) Usage() string { return usageStringNewline } +func (e errParseRange) Error() string { return fmt.Sprintf("%v is out of range for %s", e.i, e.size) } +func (e errParseRange) Usage() string { return usageIntOverflow } +func (e errParseDuration) Error() string { return fmt.Sprintf("invalid duration: %q", e.d) } +func (e errParseDuration) Usage() string { return usageDuration } + +const usageEscape = ` +A '\' inside a "-delimited string is interpreted as an escape character. + +The following escape sequences are supported: +\b, \t, \n, \f, \r, \", \\, \uXXXX, and \UXXXXXXXX + +To prevent a '\' from being recognized as an escape character, use either: + +- a ' or '''-delimited string; escape characters aren't processed in them; or +- write two backslashes to get a single backslash: '\\'. + +If you're trying to add a Windows path (e.g. "C:\Users\martin") then using '/' +instead of '\' will usually also work: "C:/Users/martin". +` + +const usageInlineNewline = ` +Inline tables must always be on a single line: + + table = {key = 42, second = 43} + +It is invalid to split them over multiple lines like so: + + # INVALID + table = { + key = 42, + second = 43 + } + +Use regular for this: + + [table] + key = 42 + second = 43 +` + +const usageStringNewline = ` +Strings must always be on a single line, and cannot span more than one line: + + # INVALID + string = "Hello, + world!" + +Instead use """ or ''' to split strings over multiple lines: + + string = """Hello, + world!""" +` + +const usageIntOverflow = ` +This number is too large; this may be an error in the TOML, but it can also be a +bug in the program that uses too small of an integer. + +The maximum and minimum values are: + + size │ lowest │ highest + ───────┼────────────────┼────────── + int8 │ -128 │ 127 + int16 │ -32,768 │ 32,767 + int32 │ -2,147,483,648 │ 2,147,483,647 + int64 │ -9.2 × 10¹⁷ │ 9.2 × 10¹⁷ + uint8 │ 0 │ 255 + uint16 │ 0 │ 65535 + uint32 │ 0 │ 4294967295 + uint64 │ 0 │ 1.8 × 10¹⁸ + +int refers to int32 on 32-bit systems and int64 on 64-bit systems. +` + +const usageDuration = ` +A duration must be as "number<unit>", without any spaces. Valid units are: + + ns nanoseconds (billionth of a second) + us, µs microseconds (millionth of a second) + ms milliseconds (thousands of a second) + s seconds + m minutes + h hours + +You can combine multiple units; for example "5m10s" for 5 minutes and 10 +seconds. +` diff --git a/vendor/github.com/BurntSushi/toml/lex.go b/vendor/github.com/BurntSushi/toml/lex.go index adc4eb5..d4d7087 100644 --- a/vendor/github.com/BurntSushi/toml/lex.go +++ b/vendor/github.com/BurntSushi/toml/lex.go @@ -37,28 +37,14 @@ const ( itemInlineTableEnd ) -const ( - eof = 0 - comma = ',' - tableStart = '[' - tableEnd = ']' - arrayTableStart = '[' - arrayTableEnd = ']' - tableSep = '.' - keySep = '=' - arrayStart = '[' - arrayEnd = ']' - commentStart = '#' - stringStart = '"' - stringEnd = '"' - rawStringStart = '\'' - rawStringEnd = '\'' - inlineTableStart = '{' - inlineTableEnd = '}' -) +const eof = 0 type stateFn func(lx *lexer) stateFn +func (p Position) String() string { + return fmt.Sprintf("at line %d; start %d; length %d", p.Line, p.Start, p.Len) +} + type lexer struct { input string start int @@ -67,26 +53,26 @@ type lexer struct { state stateFn items chan item - // Allow for backing up up to four runes. - // This is necessary because TOML contains 3-rune tokens (""" and '''). + // Allow for backing up up to 4 runes. This is necessary because TOML + // contains 3-rune tokens (""" and '''). prevWidths [4]int - nprev int // how many of prevWidths are in use - // If we emit an eof, we can still back up, but it is not OK to call - // next again. - atEOF bool + nprev int // how many of prevWidths are in use + atEOF bool // If we emit an eof, we can still back up, but it is not OK to call next again. // A stack of state functions used to maintain context. - // The idea is to reuse parts of the state machine in various places. - // For example, values can appear at the top level or within arbitrarily - // nested arrays. The last state on the stack is used after a value has - // been lexed. Similarly for comments. + // + // The idea is to reuse parts of the state machine in various places. For + // example, values can appear at the top level or within arbitrarily nested + // arrays. The last state on the stack is used after a value has been lexed. + // Similarly for comments. stack []stateFn } type item struct { - typ itemType - val string - line int + typ itemType + val string + err error + pos Position } func (lx *lexer) nextItem() item { @@ -96,7 +82,7 @@ func (lx *lexer) nextItem() item { return item default: lx.state = lx.state(lx) - //fmt.Printf(" STATE %-24s current: %-10q stack: %s\n", lx.state, lx.current(), lx.stack) + //fmt.Printf(" STATE %-24s current: %-10s stack: %s\n", lx.state, lx.current(), lx.stack) } } } @@ -105,9 +91,9 @@ func lex(input string) *lexer { lx := &lexer{ input: input, state: lexTop, - line: 1, items: make(chan item, 10), stack: make([]stateFn, 0, 10), + line: 1, } return lx } @@ -129,13 +115,30 @@ func (lx *lexer) current() string { return lx.input[lx.start:lx.pos] } +func (lx lexer) getPos() Position { + p := Position{ + Line: lx.line, + Start: lx.start, + Len: lx.pos - lx.start, + } + if p.Len <= 0 { + p.Len = 1 + } + return p +} + func (lx *lexer) emit(typ itemType) { - lx.items <- item{typ, lx.current(), lx.line} + // Needed for multiline strings ending with an incomplete UTF-8 sequence. + if lx.start > lx.pos { + lx.error(errLexUTF8{lx.input[lx.pos]}) + return + } + lx.items <- item{typ: typ, pos: lx.getPos(), val: lx.current()} lx.start = lx.pos } func (lx *lexer) emitTrim(typ itemType) { - lx.items <- item{typ, strings.TrimSpace(lx.current()), lx.line} + lx.items <- item{typ: typ, pos: lx.getPos(), val: strings.TrimSpace(lx.current())} lx.start = lx.pos } @@ -160,7 +163,13 @@ func (lx *lexer) next() (r rune) { r, w := utf8.DecodeRuneInString(lx.input[lx.pos:]) if r == utf8.RuneError { - lx.errorf("invalid UTF-8 byte at position %d (line %d): 0x%02x", lx.pos, lx.line, lx.input[lx.pos]) + lx.error(errLexUTF8{lx.input[lx.pos]}) + return utf8.RuneError + } + + // Note: don't use peek() here, as this calls next(). + if isControl(r) || (r == '\r' && (len(lx.input)-1 == lx.pos || lx.input[lx.pos+1] != '\n')) { + lx.errorControlChar(r) return utf8.RuneError } @@ -188,6 +197,7 @@ func (lx *lexer) backup() { lx.prevWidths[1] = lx.prevWidths[2] lx.prevWidths[2] = lx.prevWidths[3] lx.nprev-- + lx.pos -= w if lx.pos < len(lx.input) && lx.input[lx.pos] == '\n' { lx.line-- @@ -223,18 +233,58 @@ func (lx *lexer) skip(pred func(rune) bool) { } } -// errorf stops all lexing by emitting an error and returning `nil`. +// error stops all lexing by emitting an error and returning `nil`. +// // Note that any value that is a character is escaped if it's a special // character (newlines, tabs, etc.). +func (lx *lexer) error(err error) stateFn { + if lx.atEOF { + return lx.errorPrevLine(err) + } + lx.items <- item{typ: itemError, pos: lx.getPos(), err: err} + return nil +} + +// errorfPrevline is like error(), but sets the position to the last column of +// the previous line. +// +// This is so that unexpected EOF or NL errors don't show on a new blank line. +func (lx *lexer) errorPrevLine(err error) stateFn { + pos := lx.getPos() + pos.Line-- + pos.Len = 1 + pos.Start = lx.pos - 1 + lx.items <- item{typ: itemError, pos: pos, err: err} + return nil +} + +// errorPos is like error(), but allows explicitly setting the position. +func (lx *lexer) errorPos(start, length int, err error) stateFn { + pos := lx.getPos() + pos.Start = start + pos.Len = length + lx.items <- item{typ: itemError, pos: pos, err: err} + return nil +} + +// errorf is like error, and creates a new error. func (lx *lexer) errorf(format string, values ...interface{}) stateFn { - lx.items <- item{ - itemError, - fmt.Sprintf(format, values...), - lx.line, + if lx.atEOF { + pos := lx.getPos() + pos.Line-- + pos.Len = 1 + pos.Start = lx.pos - 1 + lx.items <- item{typ: itemError, pos: pos, err: fmt.Errorf(format, values...)} + return nil } + lx.items <- item{typ: itemError, pos: lx.getPos(), err: fmt.Errorf(format, values...)} return nil } +func (lx *lexer) errorControlChar(cc rune) stateFn { + return lx.errorPos(lx.pos-1, 1, errLexControl{cc}) +} + // lexTop consumes elements at the top level of TOML data. func lexTop(lx *lexer) stateFn { r := lx.next() @@ -242,10 +292,10 @@ func lexTop(lx *lexer) stateFn { return lexSkip(lx, lexTop) } switch r { - case commentStart: + case '#': lx.push(lexTop) return lexCommentStart - case tableStart: + case '[': return lexTableStart case eof: if lx.pos > lx.start { @@ -268,7 +318,7 @@ func lexTop(lx *lexer) stateFn { func lexTopEnd(lx *lexer) stateFn { r := lx.next() switch { - case r == commentStart: + case r == '#': // a comment will read to a newline for us. lx.push(lexTop) return lexCommentStart @@ -292,7 +342,7 @@ func lexTopEnd(lx *lexer) stateFn { // It also handles the case that this is an item in an array of tables. // e.g., '[[name]]'. func lexTableStart(lx *lexer) stateFn { - if lx.peek() == arrayTableStart { + if lx.peek() == '[' { lx.next() lx.emit(itemArrayTableStart) lx.push(lexArrayTableEnd) @@ -309,10 +359,8 @@ func lexTableEnd(lx *lexer) stateFn { } func lexArrayTableEnd(lx *lexer) stateFn { - if r := lx.next(); r != arrayTableEnd { - return lx.errorf( - "expected end of table array name delimiter %q, but got %q instead", - arrayTableEnd, r) + if r := lx.next(); r != ']' { + return lx.errorf("expected end of table array name delimiter ']', but got %q instead", r) } lx.emit(itemArrayTableEnd) return lexTopEnd @@ -321,11 +369,11 @@ func lexArrayTableEnd(lx *lexer) stateFn { func lexTableNameStart(lx *lexer) stateFn { lx.skip(isWhitespace) switch r := lx.peek(); { - case r == tableEnd || r == eof: + case r == ']' || r == eof: return lx.errorf("unexpected end of table name (table names cannot be empty)") - case r == tableSep: + case r == '.': return lx.errorf("unexpected table separator (table names cannot be empty)") - case r == stringStart || r == rawStringStart: + case r == '"' || r == '\'': lx.ignore() lx.push(lexTableNameEnd) return lexQuotedName @@ -342,10 +390,10 @@ func lexTableNameEnd(lx *lexer) stateFn { switch r := lx.next(); { case isWhitespace(r): return lexTableNameEnd - case r == tableSep: + case r == '.': lx.ignore() return lexTableNameStart - case r == tableEnd: + case r == ']': return lx.pop() default: return lx.errorf("expected '.' or ']' to end table name, but got %q instead", r) @@ -379,10 +427,10 @@ func lexQuotedName(lx *lexer) stateFn { switch { case isWhitespace(r): return lexSkip(lx, lexValue) - case r == stringStart: + case r == '"': lx.ignore() // ignore the '"' return lexString - case r == rawStringStart: + case r == '\'': lx.ignore() // ignore the "'" return lexRawString case r == eof: @@ -400,7 +448,7 @@ func lexKeyStart(lx *lexer) stateFn { return lx.errorf("unexpected '=': key name appears blank") case r == '.': return lx.errorf("unexpected '.': keys cannot start with a '.'") - case r == stringStart || r == rawStringStart: + case r == '"' || r == '\'': lx.ignore() fallthrough default: // Bare key @@ -416,7 +464,7 @@ func lexKeyNameStart(lx *lexer) stateFn { return lx.errorf("unexpected '='") case r == '.': return lx.errorf("unexpected '.'") - case r == stringStart || r == rawStringStart: + case r == '"' || r == '\'': lx.ignore() lx.push(lexKeyEnd) return lexQuotedName @@ -434,7 +482,7 @@ func lexKeyEnd(lx *lexer) stateFn { case isWhitespace(r): return lexSkip(lx, lexKeyEnd) case r == eof: - return lx.errorf("unexpected EOF; expected key separator %q", keySep) + return lx.errorf("unexpected EOF; expected key separator '='") case r == '.': lx.ignore() return lexKeyNameStart @@ -461,17 +509,17 @@ func lexValue(lx *lexer) stateFn { return lexNumberOrDateStart } switch r { - case arrayStart: + case '[': lx.ignore() lx.emit(itemArray) return lexArrayValue - case inlineTableStart: + case '{': lx.ignore() lx.emit(itemInlineTableStart) return lexInlineTableValue - case stringStart: - if lx.accept(stringStart) { - if lx.accept(stringStart) { + case '"': + if lx.accept('"') { + if lx.accept('"') { lx.ignore() // Ignore """ return lexMultilineString } @@ -479,9 +527,9 @@ func lexValue(lx *lexer) stateFn { } lx.ignore() // ignore the '"' return lexString - case rawStringStart: - if lx.accept(rawStringStart) { - if lx.accept(rawStringStart) { + case '\'': + if lx.accept('\'') { + if lx.accept('\'') { lx.ignore() // Ignore """ return lexMultilineRawString } @@ -520,14 +568,12 @@ func lexArrayValue(lx *lexer) stateFn { switch { case isWhitespace(r) || isNL(r): return lexSkip(lx, lexArrayValue) - case r == commentStart: + case r == '#': lx.push(lexArrayValue) return lexCommentStart - case r == comma: + case r == ',': return lx.errorf("unexpected comma") - case r == arrayEnd: - // NOTE(caleb): The spec isn't clear about whether you can have - // a trailing comma or not, so we'll allow it. + case r == ']': return lexArrayEnd } @@ -540,22 +586,20 @@ func lexArrayValue(lx *lexer) stateFn { // the next value (or the end of the array): it ignores whitespace and newlines // and expects either a ',' or a ']'. func lexArrayValueEnd(lx *lexer) stateFn { - r := lx.next() - switch { + switch r := lx.next(); { case isWhitespace(r) || isNL(r): return lexSkip(lx, lexArrayValueEnd) - case r == commentStart: + case r == '#': lx.push(lexArrayValueEnd) return lexCommentStart - case r == comma: + case r == ',': lx.ignore() return lexArrayValue // move on to the next value - case r == arrayEnd: + case r == ']': return lexArrayEnd + default: + return lx.errorf("expected a comma (',') or array terminator (']'), but got %s", runeOrEOF(r)) } - return lx.errorf( - "expected a comma or array terminator %q, but got %s instead", - arrayEnd, runeOrEOF(r)) } // lexArrayEnd finishes the lexing of an array. @@ -574,13 +618,13 @@ func lexInlineTableValue(lx *lexer) stateFn { case isWhitespace(r): return lexSkip(lx, lexInlineTableValue) case isNL(r): - return lx.errorf("newlines not allowed within inline tables") - case r == commentStart: + return lx.errorPrevLine(errLexInlineTableNL{}) + case r == '#': lx.push(lexInlineTableValue) return lexCommentStart - case r == comma: + case r == ',': return lx.errorf("unexpected comma") - case r == inlineTableEnd: + case r == '}': return lexInlineTableEnd } lx.backup() @@ -596,23 +640,21 @@ func lexInlineTableValueEnd(lx *lexer) stateFn { case isWhitespace(r): return lexSkip(lx, lexInlineTableValueEnd) case isNL(r): - return lx.errorf("newlines not allowed within inline tables") - case r == commentStart: + return lx.errorPrevLine(errLexInlineTableNL{}) + case r == '#': lx.push(lexInlineTableValueEnd) return lexCommentStart - case r == comma: + case r == ',': lx.ignore() lx.skip(isWhitespace) if lx.peek() == '}' { return lx.errorf("trailing comma not allowed in inline tables") } return lexInlineTableValue - case r == inlineTableEnd: + case r == '}': return lexInlineTableEnd default: - return lx.errorf( - "expected a comma or an inline table terminator %q, but got %s instead", - inlineTableEnd, runeOrEOF(r)) + return lx.errorf("expected a comma or an inline table terminator '}', but got %s instead", runeOrEOF(r)) } } @@ -638,14 +680,12 @@ func lexString(lx *lexer) stateFn { switch { case r == eof: return lx.errorf(`unexpected EOF; expected '"'`) - case isControl(r) || r == '\r': - return lx.errorf("control characters are not allowed inside strings: '0x%02x'", r) case isNL(r): - return lx.errorf("strings cannot contain newlines") + return lx.errorPrevLine(errLexStringNL{}) case r == '\\': lx.push(lexString) return lexStringEscape - case r == stringEnd: + case r == '"': lx.backup() lx.emit(itemString) lx.next() @@ -660,26 +700,33 @@ func lexString(lx *lexer) stateFn { func lexMultilineString(lx *lexer) stateFn { r := lx.next() switch r { + default: + return lexMultilineString case eof: return lx.errorf(`unexpected EOF; expected '"""'`) - case '\r': - if lx.peek() != '\n' { - return lx.errorf("control characters are not allowed inside strings: '0x%02x'", r) - } - return lexMultilineString case '\\': return lexMultilineStringEscape - case stringEnd: + case '"': /// Found " → try to read two more "". - if lx.accept(stringEnd) { - if lx.accept(stringEnd) { + if lx.accept('"') { + if lx.accept('"') { /// Peek ahead: the string can contain " and "", including at the /// end: """str""""" /// 6 or more at the end, however, is an error. - if lx.peek() == stringEnd { + if lx.peek() == '"' { /// Check if we already lexed 5 's; if so we have 6 now, and /// that's just too many man! - if strings.HasSuffix(lx.current(), `"""""`) { + /// + /// Second check is for the edge case: + /// + /// two quotes allowed. + /// vv + /// """lol \"""""" + /// ^^ ^^^---- closing three + /// escaped + /// + /// But ugly, but it works + if strings.HasSuffix(lx.current(), `"""""`) && !strings.HasSuffix(lx.current(), `\"""""`) { return lx.errorf(`unexpected '""""""'`) } lx.backup() @@ -699,12 +746,8 @@ func lexMultilineString(lx *lexer) stateFn { } lx.backup() } + return lexMultilineString } - - if isControl(r) { - return lx.errorf("control characters are not allowed inside strings: '0x%02x'", r) - } - return lexMultilineString } // lexRawString consumes a raw string. Nothing can be escaped in such a string. @@ -712,43 +755,39 @@ func lexMultilineString(lx *lexer) stateFn { func lexRawString(lx *lexer) stateFn { r := lx.next() switch { + default: + return lexRawString case r == eof: return lx.errorf(`unexpected EOF; expected "'"`) - case isControl(r) || r == '\r': - return lx.errorf("control characters are not allowed inside strings: '0x%02x'", r) case isNL(r): - return lx.errorf("strings cannot contain newlines") - case r == rawStringEnd: + return lx.errorPrevLine(errLexStringNL{}) + case r == '\'': lx.backup() lx.emit(itemRawString) lx.next() lx.ignore() return lx.pop() } - return lexRawString } // lexMultilineRawString consumes a raw string. Nothing can be escaped in such -// a string. It assumes that the beginning "'''" has already been consumed and +// a string. It assumes that the beginning ''' has already been consumed and // ignored. func lexMultilineRawString(lx *lexer) stateFn { r := lx.next() switch r { + default: + return lexMultilineRawString case eof: return lx.errorf(`unexpected EOF; expected "'''"`) - case '\r': - if lx.peek() != '\n' { - return lx.errorf("control characters are not allowed inside strings: '0x%02x'", r) - } - return lexMultilineRawString - case rawStringEnd: + case '\'': /// Found ' → try to read two more ''. - if lx.accept(rawStringEnd) { - if lx.accept(rawStringEnd) { + if lx.accept('\'') { + if lx.accept('\'') { /// Peek ahead: the string can contain ' and '', including at the /// end: '''str''''' /// 6 or more at the end, however, is an error. - if lx.peek() == rawStringEnd { + if lx.peek() == '\'' { /// Check if we already lexed 5 's; if so we have 6 now, and /// that's just too many man! if strings.HasSuffix(lx.current(), "'''''") { @@ -771,19 +810,14 @@ func lexMultilineRawString(lx *lexer) stateFn { } lx.backup() } + return lexMultilineRawString } - - if isControl(r) { - return lx.errorf("control characters are not allowed inside strings: '0x%02x'", r) - } - return lexMultilineRawString } // lexMultilineStringEscape consumes an escaped character. It assumes that the // preceding '\\' has already been consumed. func lexMultilineStringEscape(lx *lexer) stateFn { - // Handle the special case first: - if isNL(lx.next()) { + if isNL(lx.next()) { /// \ escaping newline. return lexMultilineString } lx.backup() @@ -817,8 +851,7 @@ func lexStringEscape(lx *lexer) stateFn { case 'U': return lexLongUnicodeEscape } - return lx.errorf("invalid escape character %q; only the following escape characters are allowed: "+ - `\b, \t, \n, \f, \r, \", \\, \uXXXX, and \UXXXXXXXX`, r) + return lx.error(errLexEscape{r}) } func lexShortUnicodeEscape(lx *lexer) stateFn { @@ -1108,8 +1141,6 @@ func lexComment(lx *lexer) stateFn { lx.backup() lx.emit(itemText) return lx.pop() - case isControl(r): - return lx.errorf("control characters are not allowed inside comments: '0x%02x'", r) default: return lexComment } @@ -1121,52 +1152,6 @@ func lexSkip(lx *lexer, nextState stateFn) stateFn { return nextState } -// isWhitespace returns true if `r` is a whitespace character according -// to the spec. -func isWhitespace(r rune) bool { - return r == '\t' || r == ' ' -} - -func isNL(r rune) bool { - return r == '\n' || r == '\r' -} - -// Control characters except \n, \t -func isControl(r rune) bool { - switch r { - case '\t', '\r', '\n': - return false - default: - return (r >= 0x00 && r <= 0x1f) || r == 0x7f - } -} - -func isDigit(r rune) bool { - return r >= '0' && r <= '9' -} - -func isHexadecimal(r rune) bool { - return (r >= '0' && r <= '9') || - (r >= 'a' && r <= 'f') || - (r >= 'A' && r <= 'F') -} - -func isOctal(r rune) bool { - return r >= '0' && r <= '7' -} - -func isBinary(r rune) bool { - return r == '0' || r == '1' -} - -func isBareKeyChar(r rune) bool { - return (r >= 'A' && r <= 'Z') || - (r >= 'a' && r <= 'z') || - (r >= '0' && r <= '9') || - r == '_' || - r == '-' -} - func (s stateFn) String() string { name := runtime.FuncForPC(reflect.ValueOf(s).Pointer()).Name() if i := strings.LastIndexByte(name, '.'); i > -1 { @@ -1223,3 +1208,26 @@ func (itype itemType) String() string { func (item item) String() string { return fmt.Sprintf("(%s, %s)", item.typ.String(), item.val) } + +func isWhitespace(r rune) bool { return r == '\t' || r == ' ' } +func isNL(r rune) bool { return r == '\n' || r == '\r' } +func isControl(r rune) bool { // Control characters except \t, \r, \n + switch r { + case '\t', '\r', '\n': + return false + default: + return (r >= 0x00 && r <= 0x1f) || r == 0x7f + } +} +func isDigit(r rune) bool { return r >= '0' && r <= '9' } +func isBinary(r rune) bool { return r == '0' || r == '1' } +func isOctal(r rune) bool { return r >= '0' && r <= '7' } +func isHexadecimal(r rune) bool { + return (r >= '0' && r <= '9') || (r >= 'a' && r <= 'f') || (r >= 'A' && r <= 'F') +} +func isBareKeyChar(r rune) bool { + return (r >= 'A' && r <= 'Z') || + (r >= 'a' && r <= 'z') || + (r >= '0' && r <= '9') || + r == '_' || r == '-' +} diff --git a/vendor/github.com/BurntSushi/toml/decode_meta.go b/vendor/github.com/BurntSushi/toml/meta.go index ad8899c..71847a0 100644 --- a/vendor/github.com/BurntSushi/toml/decode_meta.go +++ b/vendor/github.com/BurntSushi/toml/meta.go @@ -1,34 +1,40 @@ package toml -import "strings" +import ( + "strings" +) -// MetaData allows access to meta information about TOML data that may not be -// inferable via reflection. In particular, whether a key has been defined and -// the TOML type of a key. +// MetaData allows access to meta information about TOML data that's not +// accessible otherwise. +// +// It allows checking if a key is defined in the TOML data, whether any keys +// were undecoded, and the TOML type of a key. type MetaData struct { + context Key // Used only during decoding. + + keyInfo map[string]keyInfo mapping map[string]interface{} - types map[string]tomlType keys []Key - decoded map[string]bool - context Key // Used only during decoding. + decoded map[string]struct{} + data []byte // Input file; for errors. } // IsDefined reports if the key exists in the TOML data. // // The key should be specified hierarchically, for example to access the TOML -// key "a.b.c" you would use: +// key "a.b.c" you would use IsDefined("a", "b", "c"). Keys are case sensitive. // -// IsDefined("a", "b", "c") -// -// IsDefined will return false if an empty key given. Keys are case sensitive. +// Returns false for an empty key. func (md *MetaData) IsDefined(key ...string) bool { if len(key) == 0 { return false } - var hash map[string]interface{} - var ok bool - var hashOrVal interface{} = md.mapping + var ( + hash map[string]interface{} + ok bool + hashOrVal interface{} = md.mapping + ) for _, k := range key { if hash, ok = hashOrVal.(map[string]interface{}); !ok { return false @@ -45,51 +51,12 @@ func (md *MetaData) IsDefined(key ...string) bool { // Type will return the empty string if given an empty key or a key that does // not exist. Keys are case sensitive. func (md *MetaData) Type(key ...string) string { - fullkey := strings.Join(key, ".") - if typ, ok := md.types[fullkey]; ok { - return typ.typeString() + if ki, ok := md.keyInfo[Key(key).String()]; ok { + return ki.tomlType.typeString() } return "" } -// Key represents any TOML key, including key groups. Use (MetaData).Keys to get -// values of this type. -type Key []string - -func (k Key) String() string { return strings.Join(k, ".") } - -func (k Key) maybeQuotedAll() string { - var ss []string - for i := range k { - ss = append(ss, k.maybeQuoted(i)) - } - return strings.Join(ss, ".") -} - -func (k Key) maybeQuoted(i int) string { - if k[i] == "" { - return `""` - } - quote := false - for _, c := range k[i] { - if !isBareKeyChar(c) { - quote = true - break - } - } - if quote { - return `"` + quotedReplacer.Replace(k[i]) + `"` - } - return k[i] -} - -func (k Key) add(piece string) Key { - newKey := make(Key, len(k)+1) - copy(newKey, k) - newKey[len(k)] = piece - return newKey -} - // Keys returns a slice of every key in the TOML data, including key groups. // // Each key is itself a slice, where the first element is the top of the @@ -104,7 +71,7 @@ func (md *MetaData) Keys() []Key { // Undecoded returns all keys that have not been decoded in the order in which // they appear in the original TOML document. // -// This includes keys that haven't been decoded because of a Primitive value. +// This includes keys that haven't been decoded because of a [Primitive] value. // Once the Primitive value is decoded, the keys will be considered decoded. // // Also note that decoding into an empty interface will result in no decoding, @@ -115,9 +82,40 @@ func (md *MetaData) Keys() []Key { func (md *MetaData) Undecoded() []Key { undecoded := make([]Key, 0, len(md.keys)) for _, key := range md.keys { - if !md.decoded[key.String()] { + if _, ok := md.decoded[key.String()]; !ok { undecoded = append(undecoded, key) } } return undecoded } + +// Key represents any TOML key, including key groups. Use [MetaData.Keys] to get +// values of this type. +type Key []string + +func (k Key) String() string { + ss := make([]string, len(k)) + for i := range k { + ss[i] = k.maybeQuoted(i) + } + return strings.Join(ss, ".") +} + +func (k Key) maybeQuoted(i int) string { + if k[i] == "" { + return `""` + } + for _, c := range k[i] { + if !isBareKeyChar(c) { + return `"` + dblQuotedReplacer.Replace(k[i]) + `"` + } + } + return k[i] +} + +func (k Key) add(piece string) Key { + newKey := make(Key, len(k)+1) + copy(newKey, k) + newKey[len(k)] = piece + return newKey +} diff --git a/vendor/github.com/BurntSushi/toml/parse.go b/vendor/github.com/BurntSushi/toml/parse.go index d9ae5db..d2542d6 100644 --- a/vendor/github.com/BurntSushi/toml/parse.go +++ b/vendor/github.com/BurntSushi/toml/parse.go @@ -1,7 +1,6 @@ package toml import ( - "errors" "fmt" "strconv" "strings" @@ -12,35 +11,29 @@ import ( ) type parser struct { - mapping map[string]interface{} - types map[string]tomlType - lx *lexer + lx *lexer + context Key // Full key for the current hash in scope. + currentKey string // Base key name for everything except hashes. + pos Position // Current position in the TOML file. - ordered []Key // List of keys in the order that they appear in the TOML data. - context Key // Full key for the current hash in scope. - currentKey string // Base key name for everything except hashes. - approxLine int // Rough approximation of line number - implicits map[string]bool // Record implied keys (e.g. 'key.group.names'). -} + ordered []Key // List of keys in the order that they appear in the TOML data. -// ParseError is used when a file can't be parsed: for example invalid integer -// literals, duplicate keys, etc. -type ParseError struct { - Message string - Line int - LastKey string + keyInfo map[string]keyInfo // Map keyname → info about the TOML key. + mapping map[string]interface{} // Map keyname → key value. + implicits map[string]struct{} // Record implicit keys (e.g. "key.group.names"). } -func (pe ParseError) Error() string { - return fmt.Sprintf("Near line %d (last key parsed '%s'): %s", - pe.Line, pe.LastKey, pe.Message) +type keyInfo struct { + pos Position + tomlType tomlType } func parse(data string) (p *parser, err error) { defer func() { if r := recover(); r != nil { - var ok bool - if err, ok = r.(ParseError); ok { + if pErr, ok := r.(ParseError); ok { + pErr.input = data + err = pErr return } panic(r) @@ -60,16 +53,21 @@ func parse(data string) (p *parser, err error) { if len(data) < 6 { ex = len(data) } - if strings.ContainsRune(data[:ex], 0) { - return nil, errors.New("files cannot contain NULL bytes; probably using UTF-16; TOML files must be UTF-8") + if i := strings.IndexRune(data[:ex], 0); i > -1 { + return nil, ParseError{ + Message: "files cannot contain NULL bytes; probably using UTF-16; TOML files must be UTF-8", + Position: Position{Line: 1, Start: i, Len: 1}, + Line: 1, + input: data, + } } p = &parser{ + keyInfo: make(map[string]keyInfo), mapping: make(map[string]interface{}), - types: make(map[string]tomlType), lx: lex(data), ordered: make([]Key, 0), - implicits: make(map[string]bool), + implicits: make(map[string]struct{}), } for { item := p.next() @@ -82,24 +80,57 @@ func parse(data string) (p *parser, err error) { return p, nil } +func (p *parser) panicErr(it item, err error) { + panic(ParseError{ + err: err, + Position: it.pos, + Line: it.pos.Len, + LastKey: p.current(), + }) +} + +func (p *parser) panicItemf(it item, format string, v ...interface{}) { + panic(ParseError{ + Message: fmt.Sprintf(format, v...), + Position: it.pos, + Line: it.pos.Len, + LastKey: p.current(), + }) +} + func (p *parser) panicf(format string, v ...interface{}) { - msg := fmt.Sprintf(format, v...) panic(ParseError{ - Message: msg, - Line: p.approxLine, - LastKey: p.current(), + Message: fmt.Sprintf(format, v...), + Position: p.pos, + Line: p.pos.Line, + LastKey: p.current(), }) } func (p *parser) next() item { it := p.lx.nextItem() - //fmt.Printf("ITEM %-18s line %-3d │ %q\n", it.typ, it.line, it.val) + //fmt.Printf("ITEM %-18s line %-3d │ %q\n", it.typ, it.pos.Line, it.val) if it.typ == itemError { - p.panicf("%s", it.val) + if it.err != nil { + panic(ParseError{ + Position: it.pos, + Line: it.pos.Line, + LastKey: p.current(), + err: it.err, + }) + } + + p.panicItemf(it, "%s", it.val) } return it } +func (p *parser) nextPos() item { + it := p.next() + p.pos = it.pos + return it +} + func (p *parser) bug(format string, v ...interface{}) { panic(fmt.Sprintf("BUG: "+format+"\n\n", v...)) } @@ -119,11 +150,9 @@ func (p *parser) assertEqual(expected, got itemType) { func (p *parser) topLevel(item item) { switch item.typ { case itemCommentStart: // # .. - p.approxLine = item.line p.expect(itemText) case itemTableStart: // [ .. ] - name := p.next() - p.approxLine = name.line + name := p.nextPos() var key Key for ; name.typ != itemTableEnd && name.typ != itemEOF; name = p.next() { @@ -132,11 +161,10 @@ func (p *parser) topLevel(item item) { p.assertEqual(itemTableEnd, name.typ) p.addContext(key, false) - p.setType("", tomlHash) + p.setType("", tomlHash, item.pos) p.ordered = append(p.ordered, key) case itemArrayTableStart: // [[ .. ]] - name := p.next() - p.approxLine = name.line + name := p.nextPos() var key Key for ; name.typ != itemArrayTableEnd && name.typ != itemEOF; name = p.next() { @@ -145,13 +173,12 @@ func (p *parser) topLevel(item item) { p.assertEqual(itemArrayTableEnd, name.typ) p.addContext(key, true) - p.setType("", tomlArrayHash) + p.setType("", tomlArrayHash, item.pos) p.ordered = append(p.ordered, key) case itemKeyStart: // key = .. outerContext := p.context /// Read all the key parts (e.g. 'a' and 'b' in 'a.b') - k := p.next() - p.approxLine = k.line + k := p.nextPos() var key Key for ; k.typ != itemKeyEnd && k.typ != itemEOF; k = p.next() { key = append(key, p.keyString(k)) @@ -169,8 +196,9 @@ func (p *parser) topLevel(item item) { } /// Set value. - val, typ := p.value(p.next(), false) - p.set(p.currentKey, val, typ) + vItem := p.next() + val, typ := p.value(vItem, false) + p.set(p.currentKey, val, typ, vItem.pos) p.ordered = append(p.ordered, p.context.add(p.currentKey)) /// Remove the context we added (preserving any context from [tbl] lines). @@ -206,9 +234,9 @@ var datetimeRepl = strings.NewReplacer( func (p *parser) value(it item, parentIsArray bool) (interface{}, tomlType) { switch it.typ { case itemString: - return p.replaceEscapes(it.val), p.typeOfPrimitive(it) + return p.replaceEscapes(it, it.val), p.typeOfPrimitive(it) case itemMultilineString: - return p.replaceEscapes(stripFirstNewline(stripEscapedNewlines(it.val))), p.typeOfPrimitive(it) + return p.replaceEscapes(it, stripFirstNewline(p.stripEscapedNewlines(it.val))), p.typeOfPrimitive(it) case itemRawString: return it.val, p.typeOfPrimitive(it) case itemRawMultilineString: @@ -240,10 +268,10 @@ func (p *parser) value(it item, parentIsArray bool) (interface{}, tomlType) { func (p *parser) valueInteger(it item) (interface{}, tomlType) { if !numUnderscoresOK(it.val) { - p.panicf("Invalid integer %q: underscores must be surrounded by digits", it.val) + p.panicItemf(it, "Invalid integer %q: underscores must be surrounded by digits", it.val) } if numHasLeadingZero(it.val) { - p.panicf("Invalid integer %q: cannot have leading zeroes", it.val) + p.panicItemf(it, "Invalid integer %q: cannot have leading zeroes", it.val) } num, err := strconv.ParseInt(it.val, 0, 64) @@ -254,7 +282,7 @@ func (p *parser) valueInteger(it item) (interface{}, tomlType) { // So mark the former as a bug but the latter as a legitimate user // error. if e, ok := err.(*strconv.NumError); ok && e.Err == strconv.ErrRange { - p.panicf("Integer '%s' is out of the range of 64-bit signed integers.", it.val) + p.panicErr(it, errParseRange{i: it.val, size: "int64"}) } else { p.bug("Expected integer value, but got '%s'.", it.val) } @@ -272,18 +300,18 @@ func (p *parser) valueFloat(it item) (interface{}, tomlType) { }) for _, part := range parts { if !numUnderscoresOK(part) { - p.panicf("Invalid float %q: underscores must be surrounded by digits", it.val) + p.panicItemf(it, "Invalid float %q: underscores must be surrounded by digits", it.val) } } if len(parts) > 0 && numHasLeadingZero(parts[0]) { - p.panicf("Invalid float %q: cannot have leading zeroes", it.val) + p.panicItemf(it, "Invalid float %q: cannot have leading zeroes", it.val) } if !numPeriodsOK(it.val) { // As a special case, numbers like '123.' or '1.e2', // which are valid as far as Go/strconv are concerned, // must be rejected because TOML says that a fractional // part consists of '.' followed by 1+ digits. - p.panicf("Invalid float %q: '.' must be followed by one or more digits", it.val) + p.panicItemf(it, "Invalid float %q: '.' must be followed by one or more digits", it.val) } val := strings.Replace(it.val, "_", "", -1) if val == "+nan" || val == "-nan" { // Go doesn't support this, but TOML spec does. @@ -292,9 +320,9 @@ func (p *parser) valueFloat(it item) (interface{}, tomlType) { num, err := strconv.ParseFloat(val, 64) if err != nil { if e, ok := err.(*strconv.NumError); ok && e.Err == strconv.ErrRange { - p.panicf("Float '%s' is out of the range of 64-bit IEEE-754 floating-point numbers.", it.val) + p.panicErr(it, errParseRange{i: it.val, size: "float64"}) } else { - p.panicf("Invalid float value: %q", it.val) + p.panicItemf(it, "Invalid float value: %q", it.val) } } return num, p.typeOfPrimitive(it) @@ -325,18 +353,21 @@ func (p *parser) valueDatetime(it item) (interface{}, tomlType) { } } if !ok { - p.panicf("Invalid TOML Datetime: %q.", it.val) + p.panicItemf(it, "Invalid TOML Datetime: %q.", it.val) } return t, p.typeOfPrimitive(it) } func (p *parser) valueArray(it item) (interface{}, tomlType) { - p.setType(p.currentKey, tomlArray) + p.setType(p.currentKey, tomlArray, it.pos) - // p.setType(p.currentKey, typ) var ( - array []interface{} types []tomlType + + // Initialize to a non-nil empty slice. This makes it consistent with + // how S = [] decodes into a non-nil slice inside something like struct + // { S []string }. See #338 + array = []interface{}{} ) for it = p.next(); it.typ != itemArrayEnd; it = p.next() { if it.typ == itemCommentStart { @@ -347,6 +378,12 @@ func (p *parser) valueArray(it item) (interface{}, tomlType) { val, typ := p.value(it, true) array = append(array, val) types = append(types, typ) + + // XXX: types isn't used here, we need it to record the accurate type + // information. + // + // Not entirely sure how to best store this; could use "key[0]", + // "key[1]" notation, or maybe store it on the Array type? } return array, tomlArray } @@ -373,8 +410,7 @@ func (p *parser) valueInlineTable(it item, parentIsArray bool) (interface{}, tom } /// Read all key parts. - k := p.next() - p.approxLine = k.line + k := p.nextPos() var key Key for ; k.typ != itemKeyEnd && k.typ != itemEOF; k = p.next() { key = append(key, p.keyString(k)) @@ -393,7 +429,7 @@ func (p *parser) valueInlineTable(it item, parentIsArray bool) (interface{}, tom /// Set the value. val, typ := p.value(p.next(), false) - p.set(p.currentKey, val, typ) + p.set(p.currentKey, val, typ, it.pos) p.ordered = append(p.ordered, p.context.add(p.currentKey)) hash[p.currentKey] = val @@ -408,7 +444,7 @@ func (p *parser) valueInlineTable(it item, parentIsArray bool) (interface{}, tom // numHasLeadingZero checks if this number has leading zeroes, allowing for '0', // +/- signs, and base prefixes. func numHasLeadingZero(s string) bool { - if len(s) > 1 && s[0] == '0' && isDigit(rune(s[1])) { // >1 to allow "0" and isDigit to allow 0x + if len(s) > 1 && s[0] == '0' && !(s[1] == 'b' || s[1] == 'o' || s[1] == 'x') { // Allow 0b, 0o, 0x return true } if len(s) > 2 && (s[0] == '-' || s[0] == '+') && s[1] == '0' { @@ -503,7 +539,7 @@ func (p *parser) addContext(key Key, array bool) { if hash, ok := hashContext[k].([]map[string]interface{}); ok { hashContext[k] = append(hash, make(map[string]interface{})) } else { - p.panicf("Key '%s' was already created and cannot be used as an array.", keyContext) + p.panicf("Key '%s' was already created and cannot be used as an array.", key) } } else { p.setValue(key[len(key)-1], make(map[string]interface{})) @@ -512,9 +548,10 @@ func (p *parser) addContext(key Key, array bool) { } // set calls setValue and setType. -func (p *parser) set(key string, val interface{}, typ tomlType) { - p.setValue(p.currentKey, val) - p.setType(p.currentKey, typ) +func (p *parser) set(key string, val interface{}, typ tomlType, pos Position) { + p.setValue(key, val) + p.setType(key, typ, pos) + } // setValue sets the given key to the given value in the current context. @@ -573,28 +610,32 @@ func (p *parser) setValue(key string, value interface{}) { hash[key] = value } -// setType sets the type of a particular value at a given key. -// It should be called immediately AFTER setValue. +// setType sets the type of a particular value at a given key. It should be +// called immediately AFTER setValue. // // Note that if `key` is empty, then the type given will be applied to the // current context (which is either a table or an array of tables). -func (p *parser) setType(key string, typ tomlType) { +func (p *parser) setType(key string, typ tomlType, pos Position) { keyContext := make(Key, 0, len(p.context)+1) - for _, k := range p.context { - keyContext = append(keyContext, k) - } + keyContext = append(keyContext, p.context...) if len(key) > 0 { // allow type setting for hashes keyContext = append(keyContext, key) } - p.types[keyContext.String()] = typ + // Special case to make empty keys ("" = 1) work. + // Without it it will set "" rather than `""`. + // TODO: why is this needed? And why is this only needed here? + if len(keyContext) == 0 { + keyContext = Key{""} + } + p.keyInfo[keyContext.String()] = keyInfo{tomlType: typ, pos: pos} } // Implicit keys need to be created when tables are implied in "a.b.c.d = 1" and // "[a.b.c]" (the "a", "b", and "c" hashes are never created explicitly). -func (p *parser) addImplicit(key Key) { p.implicits[key.String()] = true } -func (p *parser) removeImplicit(key Key) { p.implicits[key.String()] = false } -func (p *parser) isImplicit(key Key) bool { return p.implicits[key.String()] } -func (p *parser) isArray(key Key) bool { return p.types[key.String()] == tomlArray } +func (p *parser) addImplicit(key Key) { p.implicits[key.String()] = struct{}{} } +func (p *parser) removeImplicit(key Key) { delete(p.implicits, key.String()) } +func (p *parser) isImplicit(key Key) bool { _, ok := p.implicits[key.String()]; return ok } +func (p *parser) isArray(key Key) bool { return p.keyInfo[key.String()].tomlType == tomlArray } func (p *parser) addImplicitContext(key Key) { p.addImplicit(key) p.addContext(key, false) @@ -622,7 +663,7 @@ func stripFirstNewline(s string) string { } // Remove newlines inside triple-quoted strings if a line ends with "\". -func stripEscapedNewlines(s string) string { +func (p *parser) stripEscapedNewlines(s string) string { split := strings.Split(s, "\n") if len(split) < 1 { return s @@ -654,6 +695,10 @@ func stripEscapedNewlines(s string) string { continue } + if i == len(split)-1 { + p.panicf("invalid escape: '\\ '") + } + split[i] = line[:len(line)-1] // Remove \ if len(split)-1 > i { split[i+1] = strings.TrimLeft(split[i+1], " \t\r") @@ -662,8 +707,8 @@ func stripEscapedNewlines(s string) string { return strings.Join(split, "") } -func (p *parser) replaceEscapes(str string) string { - var replaced []rune +func (p *parser) replaceEscapes(it item, str string) string { + replaced := make([]rune, 0, len(str)) s := []byte(str) r := 0 for r < len(s) { @@ -681,10 +726,8 @@ func (p *parser) replaceEscapes(str string) string { switch s[r] { default: p.bug("Expected valid escape code after \\, but got %q.", s[r]) - return "" case ' ', '\t': - p.panicf("invalid escape: '\\%c'", s[r]) - return "" + p.panicItemf(it, "invalid escape: '\\%c'", s[r]) case 'b': replaced = append(replaced, rune(0x0008)) r += 1 @@ -710,14 +753,14 @@ func (p *parser) replaceEscapes(str string) string { // At this point, we know we have a Unicode escape of the form // `uXXXX` at [r, r+5). (Because the lexer guarantees this // for us.) - escaped := p.asciiEscapeToUnicode(s[r+1 : r+5]) + escaped := p.asciiEscapeToUnicode(it, s[r+1:r+5]) replaced = append(replaced, escaped) r += 5 case 'U': // At this point, we know we have a Unicode escape of the form // `uXXXX` at [r, r+9). (Because the lexer guarantees this // for us.) - escaped := p.asciiEscapeToUnicode(s[r+1 : r+9]) + escaped := p.asciiEscapeToUnicode(it, s[r+1:r+9]) replaced = append(replaced, escaped) r += 9 } @@ -725,15 +768,14 @@ func (p *parser) replaceEscapes(str string) string { return string(replaced) } -func (p *parser) asciiEscapeToUnicode(bs []byte) rune { +func (p *parser) asciiEscapeToUnicode(it item, bs []byte) rune { s := string(bs) hex, err := strconv.ParseUint(strings.ToLower(s), 16, 32) if err != nil { - p.bug("Could not parse '%s' as a hexadecimal number, but the "+ - "lexer claims it's OK: %s", s, err) + p.bug("Could not parse '%s' as a hexadecimal number, but the lexer claims it's OK: %s", s, err) } if !utf8.ValidRune(rune(hex)) { - p.panicf("Escaped character '\\u%s' is not valid UTF-8.", s) + p.panicItemf(it, "Escaped character '\\u%s' is not valid UTF-8.", s) } return rune(hex) } diff --git a/vendor/github.com/BurntSushi/toml/type_fields.go b/vendor/github.com/BurntSushi/toml/type_fields.go index 608997c..254ca82 100644 --- a/vendor/github.com/BurntSushi/toml/type_fields.go +++ b/vendor/github.com/BurntSushi/toml/type_fields.go @@ -70,8 +70,8 @@ func typeFields(t reflect.Type) []field { next := []field{{typ: t}} // Count of queued names for current level and the next. - count := map[reflect.Type]int{} - nextCount := map[reflect.Type]int{} + var count map[reflect.Type]int + var nextCount map[reflect.Type]int // Types already visited at an earlier level. visited := map[reflect.Type]bool{} diff --git a/vendor/github.com/BurntSushi/toml/type_check.go b/vendor/github.com/BurntSushi/toml/type_toml.go index d56aa80..4e90d77 100644 --- a/vendor/github.com/BurntSushi/toml/type_check.go +++ b/vendor/github.com/BurntSushi/toml/type_toml.go @@ -16,7 +16,7 @@ func typeEqual(t1, t2 tomlType) bool { return t1.typeString() == t2.typeString() } -func typeIsHash(t tomlType) bool { +func typeIsTable(t tomlType) bool { return typeEqual(t, tomlHash) || typeEqual(t, tomlArrayHash) } |