render_ffjson.go

// DO NOT EDIT!
// Code generated by ffjson <https://github.com/pquerna/ffjson>
// source: render.go
// DO NOT EDIT!

package render

import (
	"bytes"
	"encoding/json"
	"fmt"

	fflib "github.com/pquerna/ffjson/fflib/v1"
)

func (mj *AgentRender) MarshalJSON() ([]byte, error) {
	var buf fflib.Buffer
	if mj == nil {
		buf.WriteString("null")
		return buf.Bytes(), nil
	}
	err := mj.MarshalJSONBuf(&buf)
	if err != nil {
		return nil, err
	}
	return buf.Bytes(), nil
}

func (mj *AgentRender) MarshalJSONBuf(buf fflib.EncodingBuffer) error {
	if mj == nil {
		buf.WriteString("null")
		return nil
	}
	var err error
	var obj []byte
	_ = obj
	_ = err
	buf.WriteString(`{"agent-type":`)
	fflib.WriteJsonString(buf, string(mj.Type))
	buf.WriteString(`,"position":`)

	{

		err = mj.Pos2D.MarshalJSONBuf(buf)
		if err != nil {
			return err
		}

	}
	buf.WriteString(`,"heading":`)
	fflib.AppendFloat(buf, float64(mj.Heading), 'g', -1, 64)
	/* Struct fall back. type=colour.RGB256 kind=struct */
	buf.WriteString(`,"colour":`)
	err = buf.Encode(&mj.Colour)
	if err != nil {
		return err
	}
	buf.WriteByte('}')
	return nil
}

const (
	ffj_t_AgentRenderbase = iota
	ffj_t_AgentRenderno_such_key

	ffj_t_AgentRender_Type

	ffj_t_AgentRender_Pos2D

	ffj_t_AgentRender_Heading

	ffj_t_AgentRender_Colour
)

var ffj_key_AgentRender_Type = []byte("agent-type")

var ffj_key_AgentRender_Pos2D = []byte("position")

var ffj_key_AgentRender_Heading = []byte("heading")

var ffj_key_AgentRender_Colour = []byte("colour")

func (uj *AgentRender) UnmarshalJSON(input []byte) error {
	fs := fflib.NewFFLexer(input)
	return uj.UnmarshalJSONFFLexer(fs, fflib.FFParse_map_start)
}

func (uj *AgentRender) UnmarshalJSONFFLexer(fs *fflib.FFLexer, state fflib.FFParseState) error {
	var err error = nil
	currentKey := ffj_t_AgentRenderbase
	_ = currentKey
	tok := fflib.FFTok_init
	wantedTok := fflib.FFTok_init

mainparse:
	for {
		tok = fs.Scan()
		//	println(fmt.Sprintf("debug: tok: %v  state: %v", tok, state))
		if tok == fflib.FFTok_error {
			goto tokerror
		}

		switch state {

		case fflib.FFParse_map_start:
			if tok != fflib.FFTok_left_bracket {
				wantedTok = fflib.FFTok_left_bracket
				goto wrongtokenerror
			}
			state = fflib.FFParse_want_key
			continue

		case fflib.FFParse_after_value:
			if tok == fflib.FFTok_comma {
				state = fflib.FFParse_want_key
			} else if tok == fflib.FFTok_right_bracket {
				goto done
			} else {
				wantedTok = fflib.FFTok_comma
				goto wrongtokenerror
			}

		case fflib.FFParse_want_key:
			// json {} ended. goto exit. woo.
			if tok == fflib.FFTok_right_bracket {
				goto done
			}
			if tok != fflib.FFTok_string {
				wantedTok = fflib.FFTok_string
				goto wrongtokenerror
			}

			kn := fs.Output.Bytes()
			if len(kn) <= 0 {
				// "" case. hrm.
				currentKey = ffj_t_AgentRenderno_such_key
				state = fflib.FFParse_want_colon
				goto mainparse
			} else {
				switch kn[0] {

				case 'a':

					if bytes.Equal(ffj_key_AgentRender_Type, kn) {
						currentKey = ffj_t_AgentRender_Type
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				case 'c':

					if bytes.Equal(ffj_key_AgentRender_Colour, kn) {
						currentKey = ffj_t_AgentRender_Colour
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				case 'h':

					if bytes.Equal(ffj_key_AgentRender_Heading, kn) {
						currentKey = ffj_t_AgentRender_Heading
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				case 'p':

					if bytes.Equal(ffj_key_AgentRender_Pos2D, kn) {
						currentKey = ffj_t_AgentRender_Pos2D
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				}

				if fflib.SimpleLetterEqualFold(ffj_key_AgentRender_Colour, kn) {
					currentKey = ffj_t_AgentRender_Colour
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.SimpleLetterEqualFold(ffj_key_AgentRender_Heading, kn) {
					currentKey = ffj_t_AgentRender_Heading
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.EqualFoldRight(ffj_key_AgentRender_Pos2D, kn) {
					currentKey = ffj_t_AgentRender_Pos2D
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.AsciiEqualFold(ffj_key_AgentRender_Type, kn) {
					currentKey = ffj_t_AgentRender_Type
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				currentKey = ffj_t_AgentRenderno_such_key
				state = fflib.FFParse_want_colon
				goto mainparse
			}

		case fflib.FFParse_want_colon:
			if tok != fflib.FFTok_colon {
				wantedTok = fflib.FFTok_colon
				goto wrongtokenerror
			}
			state = fflib.FFParse_want_value
			continue
		case fflib.FFParse_want_value:

			if tok == fflib.FFTok_left_brace || tok == fflib.FFTok_left_bracket || tok == fflib.FFTok_integer || tok == fflib.FFTok_double || tok == fflib.FFTok_string || tok == fflib.FFTok_bool || tok == fflib.FFTok_null {
				switch currentKey {

				case ffj_t_AgentRender_Type:
					goto handle_Type

				case ffj_t_AgentRender_Pos2D:
					goto handle_Pos2D

				case ffj_t_AgentRender_Heading:
					goto handle_Heading

				case ffj_t_AgentRender_Colour:
					goto handle_Colour

				case ffj_t_AgentRenderno_such_key:
					err = fs.SkipField(tok)
					if err != nil {
						return fs.WrapErr(err)
					}
					state = fflib.FFParse_after_value
					goto mainparse
				}
			} else {
				goto wantedvalue
			}
		}
	}

handle_Type:

	/* handler: uj.Type type=string kind=string quoted=false*/

	{

		{
			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
			}
		}

		if tok == fflib.FFTok_null {

		} else {

			outBuf := fs.Output.Bytes()

			uj.Type = string(string(outBuf))

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_Pos2D:

	/* handler: uj.Pos2D type=render.Pos2D kind=struct quoted=false*/

	{
		if tok == fflib.FFTok_null {

			state = fflib.FFParse_after_value
			goto mainparse
		}

		err = uj.Pos2D.UnmarshalJSONFFLexer(fs, fflib.FFParse_want_key)
		if err != nil {
			return err
		}
		state = fflib.FFParse_after_value
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_Heading:

	/* handler: uj.Heading type=float64 kind=float64 quoted=false*/

	{
		if tok != fflib.FFTok_double && tok != fflib.FFTok_integer && tok != fflib.FFTok_null {
			return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for float64", tok))
		}
	}

	{

		if tok == fflib.FFTok_null {

		} else {

			tval, err := fflib.ParseFloat(fs.Output.Bytes(), 64)

			if err != nil {
				return fs.WrapErr(err)
			}

			uj.Heading = float64(tval)

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_Colour:

	/* handler: uj.Colour type=colour.RGB256 kind=struct quoted=false*/

	{
		/* Falling back. type=colour.RGB256 kind=struct */
		tbuf, err := fs.CaptureField(tok)
		if err != nil {
			return fs.WrapErr(err)
		}

		err = json.Unmarshal(tbuf, &uj.Colour)
		if err != nil {
			return fs.WrapErr(err)
		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

wantedvalue:
	return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
wrongtokenerror:
	return fs.WrapErr(fmt.Errorf("ffjson: wanted token: %v, but got token: %v output=%s", wantedTok, tok, fs.Output.String()))
tokerror:
	if fs.BigError != nil {
		return fs.WrapErr(fs.BigError)
	}
	err = fs.Error.ToError()
	if err != nil {
		return fs.WrapErr(err)
	}
	panic("ffjson-generated: unreachable, please report bug.")
done:
	return nil
}

func (mj *DrawList) MarshalJSON() ([]byte, error) {
	var buf fflib.Buffer
	if mj == nil {
		buf.WriteString("null")
		return buf.Bytes(), nil
	}
	err := mj.MarshalJSONBuf(&buf)
	if err != nil {
		return nil, err
	}
	return buf.Bytes(), nil
}

func (mj *DrawList) MarshalJSONBuf(buf fflib.EncodingBuffer) error {
	if mj == nil {
		buf.WriteString("null")
		return nil
	}
	var err error
	var obj []byte
	_ = obj
	_ = err
	buf.WriteString(`{"cpPrey":`)
	if mj.CPP != nil {
		buf.WriteString(`[`)
		for i, v := range mj.CPP {
			if i != 0 {
				buf.WriteString(`,`)
			}

			{

				err = v.MarshalJSONBuf(buf)
				if err != nil {
					return err
				}

			}
		}
		buf.WriteString(`]`)
	} else {
		buf.WriteString(`null`)
	}
	buf.WriteString(`,"vp":`)
	if mj.VP != nil {
		buf.WriteString(`[`)
		for i, v := range mj.VP {
			if i != 0 {
				buf.WriteString(`,`)
			}

			{

				err = v.MarshalJSONBuf(buf)
				if err != nil {
					return err
				}

			}
		}
		buf.WriteString(`]`)
	} else {
		buf.WriteString(`null`)
	}
	/* Struct fall back. type=colour.RGB256 kind=struct */
	buf.WriteString(`,"bg":`)
	err = buf.Encode(&mj.BG)
	if err != nil {
		return err
	}
	buf.WriteString(`,"cpPrey-pop-string":`)
	fflib.WriteJsonString(buf, string(mj.CpPreyPop))
	buf.WriteString(`,"vp-pop-string":`)
	fflib.WriteJsonString(buf, string(mj.VpPop))
	buf.WriteString(`,"turncount-string":`)
	fflib.WriteJsonString(buf, string(mj.TurnCount))
	buf.WriteByte('}')
	return nil
}

const (
	ffj_t_DrawListbase = iota
	ffj_t_DrawListno_such_key

	ffj_t_DrawList_CPP

	ffj_t_DrawList_VP

	ffj_t_DrawList_BG

	ffj_t_DrawList_CpPreyPop

	ffj_t_DrawList_VpPop

	ffj_t_DrawList_TurnCount
)

var ffj_key_DrawList_CPP = []byte("cpPrey")

var ffj_key_DrawList_VP = []byte("vp")

var ffj_key_DrawList_BG = []byte("bg")

var ffj_key_DrawList_CpPreyPop = []byte("cpPrey-pop-string")

var ffj_key_DrawList_VpPop = []byte("vp-pop-string")

var ffj_key_DrawList_TurnCount = []byte("turncount-string")

func (uj *DrawList) UnmarshalJSON(input []byte) error {
	fs := fflib.NewFFLexer(input)
	return uj.UnmarshalJSONFFLexer(fs, fflib.FFParse_map_start)
}

func (uj *DrawList) UnmarshalJSONFFLexer(fs *fflib.FFLexer, state fflib.FFParseState) error {
	var err error = nil
	currentKey := ffj_t_DrawListbase
	_ = currentKey
	tok := fflib.FFTok_init
	wantedTok := fflib.FFTok_init

mainparse:
	for {
		tok = fs.Scan()
		//	println(fmt.Sprintf("debug: tok: %v  state: %v", tok, state))
		if tok == fflib.FFTok_error {
			goto tokerror
		}

		switch state {

		case fflib.FFParse_map_start:
			if tok != fflib.FFTok_left_bracket {
				wantedTok = fflib.FFTok_left_bracket
				goto wrongtokenerror
			}
			state = fflib.FFParse_want_key
			continue

		case fflib.FFParse_after_value:
			if tok == fflib.FFTok_comma {
				state = fflib.FFParse_want_key
			} else if tok == fflib.FFTok_right_bracket {
				goto done
			} else {
				wantedTok = fflib.FFTok_comma
				goto wrongtokenerror
			}

		case fflib.FFParse_want_key:
			// json {} ended. goto exit. woo.
			if tok == fflib.FFTok_right_bracket {
				goto done
			}
			if tok != fflib.FFTok_string {
				wantedTok = fflib.FFTok_string
				goto wrongtokenerror
			}

			kn := fs.Output.Bytes()
			if len(kn) <= 0 {
				// "" case. hrm.
				currentKey = ffj_t_DrawListno_such_key
				state = fflib.FFParse_want_colon
				goto mainparse
			} else {
				switch kn[0] {

				case 'b':

					if bytes.Equal(ffj_key_DrawList_BG, kn) {
						currentKey = ffj_t_DrawList_BG
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				case 'c':

					if bytes.Equal(ffj_key_DrawList_CPP, kn) {
						currentKey = ffj_t_DrawList_CPP
						state = fflib.FFParse_want_colon
						goto mainparse

					} else if bytes.Equal(ffj_key_DrawList_CpPreyPop, kn) {
						currentKey = ffj_t_DrawList_CpPreyPop
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				case 't':

					if bytes.Equal(ffj_key_DrawList_TurnCount, kn) {
						currentKey = ffj_t_DrawList_TurnCount
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				case 'v':

					if bytes.Equal(ffj_key_DrawList_VP, kn) {
						currentKey = ffj_t_DrawList_VP
						state = fflib.FFParse_want_colon
						goto mainparse

					} else if bytes.Equal(ffj_key_DrawList_VpPop, kn) {
						currentKey = ffj_t_DrawList_VpPop
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				}

				if fflib.EqualFoldRight(ffj_key_DrawList_TurnCount, kn) {
					currentKey = ffj_t_DrawList_TurnCount
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.EqualFoldRight(ffj_key_DrawList_VpPop, kn) {
					currentKey = ffj_t_DrawList_VpPop
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.EqualFoldRight(ffj_key_DrawList_CpPreyPop, kn) {
					currentKey = ffj_t_DrawList_CpPreyPop
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.SimpleLetterEqualFold(ffj_key_DrawList_BG, kn) {
					currentKey = ffj_t_DrawList_BG
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.SimpleLetterEqualFold(ffj_key_DrawList_VP, kn) {
					currentKey = ffj_t_DrawList_VP
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.SimpleLetterEqualFold(ffj_key_DrawList_CPP, kn) {
					currentKey = ffj_t_DrawList_CPP
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				currentKey = ffj_t_DrawListno_such_key
				state = fflib.FFParse_want_colon
				goto mainparse
			}

		case fflib.FFParse_want_colon:
			if tok != fflib.FFTok_colon {
				wantedTok = fflib.FFTok_colon
				goto wrongtokenerror
			}
			state = fflib.FFParse_want_value
			continue
		case fflib.FFParse_want_value:

			if tok == fflib.FFTok_left_brace || tok == fflib.FFTok_left_bracket || tok == fflib.FFTok_integer || tok == fflib.FFTok_double || tok == fflib.FFTok_string || tok == fflib.FFTok_bool || tok == fflib.FFTok_null {
				switch currentKey {

				case ffj_t_DrawList_CPP:
					goto handle_CPP

				case ffj_t_DrawList_VP:
					goto handle_VP

				case ffj_t_DrawList_BG:
					goto handle_BG

				case ffj_t_DrawList_CpPreyPop:
					goto handle_CpPreyPop

				case ffj_t_DrawList_VpPop:
					goto handle_VpPop

				case ffj_t_DrawList_TurnCount:
					goto handle_TurnCount

				case ffj_t_DrawListno_such_key:
					err = fs.SkipField(tok)
					if err != nil {
						return fs.WrapErr(err)
					}
					state = fflib.FFParse_after_value
					goto mainparse
				}
			} else {
				goto wantedvalue
			}
		}
	}

handle_CPP:

	/* handler: uj.CPP type=[]render.AgentRender kind=slice quoted=false*/

	{

		{
			if tok != fflib.FFTok_left_brace && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for ", tok))
			}
		}

		if tok == fflib.FFTok_null {
			uj.CPP = nil
		} else {

			uj.CPP = make([]AgentRender, 0)

			wantVal := true

			for {

				var tmp_uj__CPP AgentRender

				tok = fs.Scan()
				if tok == fflib.FFTok_error {
					goto tokerror
				}
				if tok == fflib.FFTok_right_brace {
					break
				}

				if tok == fflib.FFTok_comma {
					if wantVal == true {
						// TODO(pquerna): this isn't an ideal error message, this handles
						// things like [,,,] as an array value.
						return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
					}
					continue
				} else {
					wantVal = true
				}

				/* handler: tmp_uj__CPP type=render.AgentRender kind=struct quoted=false*/

				{
					if tok == fflib.FFTok_null {

						state = fflib.FFParse_after_value
						goto mainparse
					}

					err = tmp_uj__CPP.UnmarshalJSONFFLexer(fs, fflib.FFParse_want_key)
					if err != nil {
						return err
					}
					state = fflib.FFParse_after_value
				}

				uj.CPP = append(uj.CPP, tmp_uj__CPP)
				wantVal = false
			}
		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_VP:

	/* handler: uj.VP type=[]render.AgentRender kind=slice quoted=false*/

	{

		{
			if tok != fflib.FFTok_left_brace && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for ", tok))
			}
		}

		if tok == fflib.FFTok_null {
			uj.VP = nil
		} else {

			uj.VP = make([]AgentRender, 0)

			wantVal := true

			for {

				var tmp_uj__VP AgentRender

				tok = fs.Scan()
				if tok == fflib.FFTok_error {
					goto tokerror
				}
				if tok == fflib.FFTok_right_brace {
					break
				}

				if tok == fflib.FFTok_comma {
					if wantVal == true {
						// TODO(pquerna): this isn't an ideal error message, this handles
						// things like [,,,] as an array value.
						return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
					}
					continue
				} else {
					wantVal = true
				}

				/* handler: tmp_uj__VP type=render.AgentRender kind=struct quoted=false*/

				{
					if tok == fflib.FFTok_null {

						state = fflib.FFParse_after_value
						goto mainparse
					}

					err = tmp_uj__VP.UnmarshalJSONFFLexer(fs, fflib.FFParse_want_key)
					if err != nil {
						return err
					}
					state = fflib.FFParse_after_value
				}

				uj.VP = append(uj.VP, tmp_uj__VP)
				wantVal = false
			}
		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_BG:

	/* handler: uj.BG type=colour.RGB256 kind=struct quoted=false*/

	{
		/* Falling back. type=colour.RGB256 kind=struct */
		tbuf, err := fs.CaptureField(tok)
		if err != nil {
			return fs.WrapErr(err)
		}

		err = json.Unmarshal(tbuf, &uj.BG)
		if err != nil {
			return fs.WrapErr(err)
		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_CpPreyPop:

	/* handler: uj.CpPreyPop type=string kind=string quoted=false*/

	{

		{
			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
			}
		}

		if tok == fflib.FFTok_null {

		} else {

			outBuf := fs.Output.Bytes()

			uj.CpPreyPop = string(string(outBuf))

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_VpPop:

	/* handler: uj.VpPop type=string kind=string quoted=false*/

	{

		{
			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
			}
		}

		if tok == fflib.FFTok_null {

		} else {

			outBuf := fs.Output.Bytes()

			uj.VpPop = string(string(outBuf))

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_TurnCount:

	/* handler: uj.TurnCount type=string kind=string quoted=false*/

	{

		{
			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
			}
		}

		if tok == fflib.FFTok_null {

		} else {

			outBuf := fs.Output.Bytes()

			uj.TurnCount = string(string(outBuf))

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

wantedvalue:
	return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
wrongtokenerror:
	return fs.WrapErr(fmt.Errorf("ffjson: wanted token: %v, but got token: %v output=%s", wantedTok, tok, fs.Output.String()))
tokerror:
	if fs.BigError != nil {
		return fs.WrapErr(fs.BigError)
	}
	err = fs.Error.ToError()
	if err != nil {
		return fs.WrapErr(err)
	}
	panic("ffjson-generated: unreachable, please report bug.")
done:
	return nil
}

func (mj *Pos2D) MarshalJSON() ([]byte, error) {
	var buf fflib.Buffer
	if mj == nil {
		buf.WriteString("null")
		return buf.Bytes(), nil
	}
	err := mj.MarshalJSONBuf(&buf)
	if err != nil {
		return nil, err
	}
	return buf.Bytes(), nil
}
func (mj *Pos2D) MarshalJSONBuf(buf fflib.EncodingBuffer) error {
	if mj == nil {
		buf.WriteString("null")
		return nil
	}
	var err error
	var obj []byte
	_ = obj
	_ = err
	buf.WriteString(`{"x":`)
	fflib.AppendFloat(buf, float64(mj.X), 'g', -1, 64)
	buf.WriteString(`,"y":`)
	fflib.AppendFloat(buf, float64(mj.Y), 'g', -1, 64)
	buf.WriteByte('}')
	return nil
}

const (
	ffj_t_Pos2Dbase = iota
	ffj_t_Pos2Dno_such_key

	ffj_t_Pos2D_X

	ffj_t_Pos2D_Y
)

var ffj_key_Pos2D_X = []byte("x")

var ffj_key_Pos2D_Y = []byte("y")

func (uj *Pos2D) UnmarshalJSON(input []byte) error {
	fs := fflib.NewFFLexer(input)
	return uj.UnmarshalJSONFFLexer(fs, fflib.FFParse_map_start)
}

func (uj *Pos2D) UnmarshalJSONFFLexer(fs *fflib.FFLexer, state fflib.FFParseState) error {
	var err error = nil
	currentKey := ffj_t_Pos2Dbase
	_ = currentKey
	tok := fflib.FFTok_init
	wantedTok := fflib.FFTok_init

mainparse:
	for {
		tok = fs.Scan()
		//	println(fmt.Sprintf("debug: tok: %v  state: %v", tok, state))
		if tok == fflib.FFTok_error {
			goto tokerror
		}

		switch state {

		case fflib.FFParse_map_start:
			if tok != fflib.FFTok_left_bracket {
				wantedTok = fflib.FFTok_left_bracket
				goto wrongtokenerror
			}
			state = fflib.FFParse_want_key
			continue

		case fflib.FFParse_after_value:
			if tok == fflib.FFTok_comma {
				state = fflib.FFParse_want_key
			} else if tok == fflib.FFTok_right_bracket {
				goto done
			} else {
				wantedTok = fflib.FFTok_comma
				goto wrongtokenerror
			}

		case fflib.FFParse_want_key:
			// json {} ended. goto exit. woo.
			if tok == fflib.FFTok_right_bracket {
				goto done
			}
			if tok != fflib.FFTok_string {
				wantedTok = fflib.FFTok_string
				goto wrongtokenerror
			}

			kn := fs.Output.Bytes()
			if len(kn) <= 0 {
				// "" case. hrm.
				currentKey = ffj_t_Pos2Dno_such_key
				state = fflib.FFParse_want_colon
				goto mainparse
			} else {
				switch kn[0] {

				case 'x':

					if bytes.Equal(ffj_key_Pos2D_X, kn) {
						currentKey = ffj_t_Pos2D_X
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				case 'y':

					if bytes.Equal(ffj_key_Pos2D_Y, kn) {
						currentKey = ffj_t_Pos2D_Y
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				}

				if fflib.SimpleLetterEqualFold(ffj_key_Pos2D_Y, kn) {
					currentKey = ffj_t_Pos2D_Y
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.SimpleLetterEqualFold(ffj_key_Pos2D_X, kn) {
					currentKey = ffj_t_Pos2D_X
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				currentKey = ffj_t_Pos2Dno_such_key
				state = fflib.FFParse_want_colon
				goto mainparse
			}

		case fflib.FFParse_want_colon:
			if tok != fflib.FFTok_colon {
				wantedTok = fflib.FFTok_colon
				goto wrongtokenerror
			}
			state = fflib.FFParse_want_value
			continue
		case fflib.FFParse_want_value:

			if tok == fflib.FFTok_left_brace || tok == fflib.FFTok_left_bracket || tok == fflib.FFTok_integer || tok == fflib.FFTok_double || tok == fflib.FFTok_string || tok == fflib.FFTok_bool || tok == fflib.FFTok_null {
				switch currentKey {

				case ffj_t_Pos2D_X:
					goto handle_X

				case ffj_t_Pos2D_Y:
					goto handle_Y

				case ffj_t_Pos2Dno_such_key:
					err = fs.SkipField(tok)
					if err != nil {
						return fs.WrapErr(err)
					}
					state = fflib.FFParse_after_value
					goto mainparse
				}
			} else {
				goto wantedvalue
			}
		}
	}

handle_X:

	/* handler: uj.X type=float64 kind=float64 quoted=false*/

	{
		if tok != fflib.FFTok_double && tok != fflib.FFTok_integer && tok != fflib.FFTok_null {
			return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for float64", tok))
		}
	}

	{

		if tok == fflib.FFTok_null {

		} else {

			tval, err := fflib.ParseFloat(fs.Output.Bytes(), 64)

			if err != nil {
				return fs.WrapErr(err)
			}

			uj.X = float64(tval)

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_Y:

	/* handler: uj.Y type=float64 kind=float64 quoted=false*/

	{
		if tok != fflib.FFTok_double && tok != fflib.FFTok_integer && tok != fflib.FFTok_null {
			return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for float64", tok))
		}
	}

	{

		if tok == fflib.FFTok_null {

		} else {

			tval, err := fflib.ParseFloat(fs.Output.Bytes(), 64)

			if err != nil {
				return fs.WrapErr(err)
			}

			uj.Y = float64(tval)

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

wantedvalue:
	return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
wrongtokenerror:
	return fs.WrapErr(fmt.Errorf("ffjson: wanted token: %v, but got token: %v output=%s", wantedTok, tok, fs.Output.String()))
tokerror:
	if fs.BigError != nil {
		return fs.WrapErr(fs.BigError)
	}
	err = fs.Error.ToError()
	if err != nil {
		return fs.WrapErr(err)
	}
	panic("ffjson-generated: unreachable, please report bug.")
done:
	return nil
}

func (mj *Viewport) MarshalJSON() ([]byte, error) {
	var buf fflib.Buffer
	if mj == nil {
		buf.WriteString("null")
		return buf.Bytes(), nil
	}
	err := mj.MarshalJSONBuf(&buf)
	if err != nil {
		return nil, err
	}
	return buf.Bytes(), nil
}

func (mj *Viewport) MarshalJSONBuf(buf fflib.EncodingBuffer) error {
	if mj == nil {
		buf.WriteString("null")
		return nil
	}
	var err error
	var obj []byte
	_ = obj
	_ = err
	buf.WriteString(`{"width":`)
	fflib.AppendFloat(buf, float64(mj.Width), 'g', -1, 64)
	buf.WriteString(`,"height":`)
	fflib.AppendFloat(buf, float64(mj.Height), 'g', -1, 64)
	buf.WriteByte('}')
	return nil
}

const (
	ffj_t_Viewportbase = iota
	ffj_t_Viewportno_such_key

	ffj_t_Viewport_Width

	ffj_t_Viewport_Height
)

var ffj_key_Viewport_Width = []byte("width")

var ffj_key_Viewport_Height = []byte("height")

func (uj *Viewport) UnmarshalJSON(input []byte) error {
	fs := fflib.NewFFLexer(input)
	return uj.UnmarshalJSONFFLexer(fs, fflib.FFParse_map_start)
}

func (uj *Viewport) UnmarshalJSONFFLexer(fs *fflib.FFLexer, state fflib.FFParseState) error {
	var err error = nil
	currentKey := ffj_t_Viewportbase
	_ = currentKey
	tok := fflib.FFTok_init
	wantedTok := fflib.FFTok_init

mainparse:
	for {
		tok = fs.Scan()
		//	println(fmt.Sprintf("debug: tok: %v  state: %v", tok, state))
		if tok == fflib.FFTok_error {
			goto tokerror
		}

		switch state {

		case fflib.FFParse_map_start:
			if tok != fflib.FFTok_left_bracket {
				wantedTok = fflib.FFTok_left_bracket
				goto wrongtokenerror
			}
			state = fflib.FFParse_want_key
			continue

		case fflib.FFParse_after_value:
			if tok == fflib.FFTok_comma {
				state = fflib.FFParse_want_key
			} else if tok == fflib.FFTok_right_bracket {
				goto done
			} else {
				wantedTok = fflib.FFTok_comma
				goto wrongtokenerror
			}

		case fflib.FFParse_want_key:
			// json {} ended. goto exit. woo.
			if tok == fflib.FFTok_right_bracket {
				goto done
			}
			if tok != fflib.FFTok_string {
				wantedTok = fflib.FFTok_string
				goto wrongtokenerror
			}

			kn := fs.Output.Bytes()
			if len(kn) <= 0 {
				// "" case. hrm.
				currentKey = ffj_t_Viewportno_such_key
				state = fflib.FFParse_want_colon
				goto mainparse
			} else {
				switch kn[0] {

				case 'h':

					if bytes.Equal(ffj_key_Viewport_Height, kn) {
						currentKey = ffj_t_Viewport_Height
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				case 'w':

					if bytes.Equal(ffj_key_Viewport_Width, kn) {
						currentKey = ffj_t_Viewport_Width
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				}

				if fflib.SimpleLetterEqualFold(ffj_key_Viewport_Height, kn) {
					currentKey = ffj_t_Viewport_Height
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.SimpleLetterEqualFold(ffj_key_Viewport_Width, kn) {
					currentKey = ffj_t_Viewport_Width
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				currentKey = ffj_t_Viewportno_such_key
				state = fflib.FFParse_want_colon
				goto mainparse
			}

		case fflib.FFParse_want_colon:
			if tok != fflib.FFTok_colon {
				wantedTok = fflib.FFTok_colon
				goto wrongtokenerror
			}
			state = fflib.FFParse_want_value
			continue
		case fflib.FFParse_want_value:

			if tok == fflib.FFTok_left_brace || tok == fflib.FFTok_left_bracket || tok == fflib.FFTok_integer || tok == fflib.FFTok_double || tok == fflib.FFTok_string || tok == fflib.FFTok_bool || tok == fflib.FFTok_null {
				switch currentKey {

				case ffj_t_Viewport_Width:
					goto handle_Width

				case ffj_t_Viewport_Height:
					goto handle_Height

				case ffj_t_Viewportno_such_key:
					err = fs.SkipField(tok)
					if err != nil {
						return fs.WrapErr(err)
					}
					state = fflib.FFParse_after_value
					goto mainparse
				}
			} else {
				goto wantedvalue
			}
		}
	}

handle_Width:

	/* handler: uj.Width type=float64 kind=float64 quoted=false*/

	{
		if tok != fflib.FFTok_double && tok != fflib.FFTok_integer && tok != fflib.FFTok_null {
			return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for float64", tok))
		}
	}

	{

		if tok == fflib.FFTok_null {

		} else {

			tval, err := fflib.ParseFloat(fs.Output.Bytes(), 64)

			if err != nil {
				return fs.WrapErr(err)
			}

			uj.Width = float64(tval)

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_Height:

	/* handler: uj.Height type=float64 kind=float64 quoted=false*/

	{
		if tok != fflib.FFTok_double && tok != fflib.FFTok_integer && tok != fflib.FFTok_null {
			return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for float64", tok))
		}
	}

	{

		if tok == fflib.FFTok_null {

		} else {

			tval, err := fflib.ParseFloat(fs.Output.Bytes(), 64)

			if err != nil {
				return fs.WrapErr(err)
			}

			uj.Height = float64(tval)

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

wantedvalue:
	return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
wrongtokenerror:
	return fs.WrapErr(fmt.Errorf("ffjson: wanted token: %v, but got token: %v output=%s", wantedTok, tok, fs.Output.String()))
tokerror:
	if fs.BigError != nil {
		return fs.WrapErr(fs.BigError)
	}
	err = fs.Error.ToError()
	if err != nil {
		return fs.WrapErr(err)
	}
	panic("ffjson-generated: unreachable, please report bug.")
done:
	return nil
}