Support format cell value with fraction number format code

- Fix delete incorrect image files when picture deleting pictures
- Update the unit test and dependencies modules

excelize_test.go

@@ -741,10 +741,10 @@ func TestSetCellStyleNumberFormat(t *testing.T) {
 	idxTbl := []int{0, 1, 2, 3, 4, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49}
 	value := []string{"37947.7500001", "-37947.7500001", "0.007", "2.1", "String"}
 	expected := [][]string{
-		{"37947.7500001", "37948", "37947.75", "37,948", "37,947.75", "3794775%", "3794775.00%", "3.79E+04", "37947.7500001", "37947.7500001", "11-22-03", "22-Nov-03", "22-Nov", "Nov-03", "6:00 PM", "6:00:00 PM", "18:00", "18:00:00", "11/22/03 18:00", "37,948 ", "37,948 ", "37,947.75 ", "37,947.75 ", "37,948", "$37,948", "37,947.75", "$37,947.75", "00:00", "910746:00:00", "00:00.0", "37947.7500001", "37947.7500001"},
-		{"-37947.7500001", "-37948", "-37947.75", "-37,948", "-37,947.75", "-3794775%", "-3794775.00%", "-3.79E+04", "-37947.7500001", "-37947.7500001", "-37947.7500001", "-37947.7500001", "-37947.7500001", "-37947.7500001", "-37947.7500001", "-37947.7500001", "-37947.7500001", "-37947.7500001", "-37947.7500001", "(37,948)", "(37,948)", "(37,947.75)", "(37,947.75)", "(37,948)", "$(37,948)", "(37,947.75)", "$(37,947.75)", "-37947.7500001", "-37947.7500001", "-37947.7500001", "-37947.7500001", "-37947.7500001"},
-		{"0.007", "0", "0.01", "0", "0.01", "1%", "0.70%", "7.00E-03", "0.007", "0.007", "12-30-99", "30-Dec-99", "30-Dec", "Dec-99", "12:10 AM", "12:10:05 AM", "00:10", "00:10:05", "12/30/99 00:10", "0 ", "0 ", "0.01 ", "0.01 ", "0", "$0", "0.01", "$0.01", "10:05", "0:10:05", "10:04.8", "0.007", "0.007"},
-		{"2.1", "2", "2.10", "2", "2.10", "210%", "210.00%", "2.10E+00", "2.1", "2.1", "01-01-00", "1-Jan-00", "1-Jan", "Jan-00", "2:24 AM", "2:24:00 AM", "02:24", "02:24:00", "1/1/00 02:24", "2 ", "2 ", "2.10 ", "2.10 ", "2", "$2", "2.10", "$2.10", "24:00", "50:24:00", "24:00.0", "2.1", "2.1"},
+		{"37947.7500001", "37948", "37947.75", "37,948", "37,947.75", "3794775%", "3794775.00%", "3.79E+04", "37947 3/4", "37947 3/4", "11-22-03", "22-Nov-03", "22-Nov", "Nov-03", "6:00 PM", "6:00:00 PM", "18:00", "18:00:00", "11/22/03 18:00", "37,948 ", "37,948 ", "37,947.75 ", "37,947.75 ", "37,948", "$37,948", "37,947.75", "$37,947.75", "00:00", "910746:00:00", "00:00.0", "37947.7500001", "37947.7500001"},
+		{"-37947.7500001", "-37948", "-37947.75", "-37,948", "-37,947.75", "-3794775%", "-3794775.00%", "-3.79E+04", "-37947 3/4", "-37947 3/4", "-37947.7500001", "-37947.7500001", "-37947.7500001", "-37947.7500001", "-37947.7500001", "-37947.7500001", "-37947.7500001", "-37947.7500001", "-37947.7500001", "(37,948)", "(37,948)", "(37,947.75)", "(37,947.75)", "(37,948)", "$(37,948)", "(37,947.75)", "$(37,947.75)", "-37947.7500001", "-37947.7500001", "-37947.7500001", "-37947.7500001", "-37947.7500001"},
+		{"0.007", "0", "0.01", "0", "0.01", "1%", "0.70%", "7.00E-03", "0    ", "0    ", "12-30-99", "30-Dec-99", "30-Dec", "Dec-99", "12:10 AM", "12:10:05 AM", "00:10", "00:10:05", "12/30/99 00:10", "0 ", "0 ", "0.01 ", "0.01 ", "0", "$0", "0.01", "$0.01", "10:05", "0:10:05", "10:04.8", "0.007", "0.007"},
+		{"2.1", "2", "2.10", "2", "2.10", "210%", "210.00%", "2.10E+00", "2 1/9", "2 1/10", "01-01-00", "1-Jan-00", "1-Jan", "Jan-00", "2:24 AM", "2:24:00 AM", "02:24", "02:24:00", "1/1/00 02:24", "2 ", "2 ", "2.10 ", "2.10 ", "2", "$2", "2.10", "$2.10", "24:00", "50:24:00", "24:00.0", "2.1", "2.1"},
 		{"String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String", "String"},
 	}
 

go.mod

@@ -8,9 +8,9 @@ require (
 	github.com/richardlehane/msoleps v1.0.3 // indirect
 	github.com/stretchr/testify v1.8.0
 	github.com/xuri/efp v0.0.0-20230802181842-ad255f2331ca
-	github.com/xuri/nfp v0.0.0-20230918160701-e5a3f5b24785
-	golang.org/x/crypto v0.13.0
+	github.com/xuri/nfp v0.0.0-20230919160717-d98342af3f05
+	golang.org/x/crypto v0.14.0
 	golang.org/x/image v0.11.0
-	golang.org/x/net v0.15.0
+	golang.org/x/net v0.16.0
 	golang.org/x/text v0.13.0
 )

go.sum

@@ -17,13 +17,13 @@ github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PK
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/xuri/efp v0.0.0-20230802181842-ad255f2331ca h1:uvPMDVyP7PXMMioYdyPH+0O+Ta/UO1WFfNYMO3Wz0eg=
 github.com/xuri/efp v0.0.0-20230802181842-ad255f2331ca/go.mod h1:ybY/Jr0T0GTCnYjKqmdwxyxn2BQf2RcQIIvex5QldPI=
-github.com/xuri/nfp v0.0.0-20230918160701-e5a3f5b24785 h1:FG9hcK7lhf3w/Y2NRUKy/mopsH0Oy6P1rib1KWXAie0=
-github.com/xuri/nfp v0.0.0-20230918160701-e5a3f5b24785/go.mod h1:WwHg+CVyzlv/TX9xqBFXEZAuxOPxn2k1GNHwG41IIUQ=
+github.com/xuri/nfp v0.0.0-20230919160717-d98342af3f05 h1:qhbILQo1K3mphbwKh1vNm4oGezE1eF9fQWmNiIpSfI4=
+github.com/xuri/nfp v0.0.0-20230919160717-d98342af3f05/go.mod h1:WwHg+CVyzlv/TX9xqBFXEZAuxOPxn2k1GNHwG41IIUQ=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.13.0 h1:mvySKfSWJ+UKUii46M40LOvyWfN0s2U+46/jDd0e6Ck=
-golang.org/x/crypto v0.13.0/go.mod h1:y6Z2r+Rw4iayiXXAIxJIDAJ1zMW4yaTpebo8fPOliYc=
+golang.org/x/crypto v0.14.0 h1:wBqGXzWJW6m1XrIKlAH0Hs1JJ7+9KBwnIO8v66Q9cHc=
+golang.org/x/crypto v0.14.0/go.mod h1:MVFd36DqK4CsrnJYDkBA3VC4m2GkXAM0PvzMCn4JQf4=
 golang.org/x/image v0.11.0 h1:ds2RoQvBvYTiJkwpSFDwCcDFNX7DqjL2WsUgTNk0Ooo=
 golang.org/x/image v0.11.0/go.mod h1:bglhjqbqVuEb9e9+eNR45Jfu7D+T4Qan+NhQk8Ck2P8=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
@@ -33,8 +33,8 @@ golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
 golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
-golang.org/x/net v0.15.0 h1:ugBLEUaxABaB5AJqW9enI0ACdci2RUd4eP51NTBvuJ8=
-golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk=
+golang.org/x/net v0.16.0 h1:7eBu7KsSvFDtSXUIDbh3aqlK4DPsZ1rByC8PFfBThos=
+golang.org/x/net v0.16.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -45,12 +45,12 @@ golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
 golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
-golang.org/x/term v0.12.0/go.mod h1:owVbMEjm3cBLCHdkQu9b1opXd4ETQWc3BhuQGKgXgvU=
+golang.org/x/term v0.13.0/go.mod h1:LTmsnFJwVN6bCy1rVCoS+qHT1HhALEFxKncY3WNNh4U=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=

lib.go

@@ -18,6 +18,7 @@ import (
 	"encoding/xml"
 	"fmt"
 	"io"
+	"math"
 	"math/big"
 	"os"
 	"regexp"
@@ -825,6 +826,30 @@ func bstrMarshal(s string) (result string) {
 	return result
 }
 
+// newRat converts decimals to rational fractions with the required precision.
+func newRat(n float64, iterations int64, prec float64) *big.Rat {
+	x := int64(math.Floor(n))
+	y := n - float64(x)
+	rat := continuedFraction(y, 1, iterations, prec)
+	return rat.Add(rat, new(big.Rat).SetInt64(x))
+}
+
+// continuedFraction returns rational from decimal with the continued fraction
+// algorithm.
+func continuedFraction(n float64, i int64, limit int64, prec float64) *big.Rat {
+	if i >= limit || n <= prec {
+		return big.NewRat(0, 1)
+	}
+	inverted := 1 / n
+	y := int64(math.Floor(inverted))
+	x := inverted - float64(y)
+	ratY := new(big.Rat).SetInt64(y)
+	ratNext := continuedFraction(x, i+1, limit, prec)
+	res := ratY.Add(ratY, ratNext)
+	res = res.Inv(res)
+	return res
+}
+
 // Stack defined an abstract data type that serves as a collection of elements.
 type Stack struct {
 	list *list.List

numfmt.go

@@ -33,18 +33,18 @@ type languageInfo struct {
 // numberFormat directly maps the number format parser runtime required
 // fields.
 type numberFormat struct {
-	opts                                                           *Options
-	cellType                                                       CellType
-	section                                                        []nfp.Section
-	t                                                              time.Time
-	sectionIdx                                                     int
-	date1904, isNumeric, hours, seconds, useMillisecond, useGannen bool
-	number                                                         float64
-	ap, localCode, result, value, valueSectionType                 string
-	switchArgument, currencyString                                 string
-	fracHolder, fracPadding, intHolder, intPadding, expBaseLen     int
-	percent                                                        int
-	useCommaSep, usePointer, usePositive, useScientificNotation    bool
+	opts                                                                     *Options
+	cellType                                                                 CellType
+	section                                                                  []nfp.Section
+	t                                                                        time.Time
+	sectionIdx                                                               int
+	date1904, isNumeric, hours, seconds, useMillisecond, useGannen           bool
+	number                                                                   float64
+	ap, localCode, result, value, valueSectionType                           string
+	switchArgument, currencyString                                           string
+	fracHolder, fracPadding, intHolder, intPadding, expBaseLen               int
+	percent                                                                  int
+	useCommaSep, useFraction, usePointer, usePositive, useScientificNotation bool
 }
 
 // CultureName is the type of supported language country codes types for apply
@@ -688,8 +688,11 @@ var (
 		nfp.TokenTypeCurrencyLanguage,
 		nfp.TokenTypeDateTimes,
 		nfp.TokenTypeDecimalPoint,
+		nfp.TokenTypeDenominator,
+		nfp.TokenTypeDigitalPlaceHolder,
 		nfp.TokenTypeElapsedDateTimes,
 		nfp.TokenTypeExponential,
+		nfp.TokenTypeFraction,
 		nfp.TokenTypeGeneral,
 		nfp.TokenTypeHashPlaceHolder,
 		nfp.TokenTypeLiteral,
@@ -702,7 +705,10 @@ var (
 	}
 	// supportedNumberTokenTypes list the supported number token types.
 	supportedNumberTokenTypes = []string{
+		nfp.TokenTypeDenominator,
+		nfp.TokenTypeDigitalPlaceHolder,
 		nfp.TokenTypeExponential,
+		nfp.TokenTypeFraction,
 		nfp.TokenTypeHashPlaceHolder,
 		nfp.TokenTypePercent,
 		nfp.TokenTypeZeroPlaceHolder,
@@ -4775,6 +4781,9 @@ func (nf *numberFormat) getNumberFmtConf() {
 		if token.TType == nfp.TokenTypeDecimalPoint {
 			nf.usePointer = true
 		}
+		if token.TType == nfp.TokenTypeFraction {
+			nf.useFraction = true
+		}
 		if token.TType == nfp.TokenTypeSwitchArgument {
 			nf.switchArgument = token.TValue
 		}
@@ -4795,8 +4804,11 @@ func (nf *numberFormat) getNumberFmtConf() {
 
 // printNumberLiteral apply literal tokens for the pre-formatted text.
 func (nf *numberFormat) printNumberLiteral(text string) string {
-	var result string
-	var useLiteral, usePlaceHolder bool
+	var (
+		result                                  string
+		frac                                    float64
+		useFraction, useLiteral, usePlaceHolder bool
+	)
 	if nf.usePositive {
 		result += "-"
 	}
@@ -4822,10 +4834,41 @@ func (nf *numberFormat) printNumberLiteral(text string) string {
 				result += text
 			}
 		}
+		if token.TType == nfp.TokenTypeFraction {
+			_, frac = math.Modf(nf.number)
+			frac, useFraction = math.Abs(frac), true
+		}
+		if useFraction {
+			result += nf.fractionHandler(frac, token)
+		}
 	}
 	return nf.printSwitchArgument(result)
 }
 
+// fractionHandler handling fraction number format expression for positive and
+// negative numeric.
+func (nf *numberFormat) fractionHandler(frac float64, token nfp.Token) string {
+	var rat, result string
+	if token.TType == nfp.TokenTypeDigitalPlaceHolder {
+		fracPlaceHolder := len(token.TValue)
+		for i := 0; i < 5000; i++ {
+			if r := newRat(frac, int64(i), 0); len(r.Denom().String()) <= fracPlaceHolder {
+				if rat = r.String(); strings.HasPrefix(rat, "0/") {
+					rat = strings.Repeat(" ", 3)
+				}
+				continue
+			}
+			break
+		}
+		result += rat
+	}
+	if token.TType == nfp.TokenTypeDenominator {
+		denom, _ := strconv.ParseFloat(token.TValue, 64)
+		result += fmt.Sprintf("%d/%d", int(math.Round(frac*denom)), int(math.Round(denom)))
+	}
+	return result
+}
+
 // printCommaSep format number with thousands separator.
 func printCommaSep(text string) string {
 	var (
@@ -4929,6 +4972,9 @@ func (nf *numberFormat) numberHandler() string {
 	if nf.percent > 0 {
 		num *= math.Pow(100, float64(nf.percent))
 	}
+	if nf.useFraction {
+		num = math.Floor(math.Abs(num))
+	}
 	if result = fmt.Sprintf(fmtCode, math.Abs(num)); nf.useCommaSep {
 		result = printCommaSep(result)
 	}

numfmt_test.go

@@ -3543,6 +3543,16 @@ func TestNumFmt(t *testing.T) {
 		{"1.234E-16", "0.000000000000000000", "0.000000000000000123"},
 		{"1.234E-16", "0.000000000000000000%", "0.000000000000012340%"},
 		{"1.234E-16", "0.000000000000000000%%%%", "0.000000000000012340%"},
+		{"-123.4567", "# ?/?", "-123 1/2"},
+		{"123.4567", "# ??/??", "123 37/81"},
+		{"123.4567", "#\\ ???/???", "123 58/127"},
+		{"123.4567", "#\\ ?/2", "123 1/2"},
+		{"123.4567", "#\\ ?/4", "123 2/4"},
+		{"123.4567", "#\\ ?/8", "123 4/8"},
+		{"123.4567", "#\\ ?/16", "123 7/16"},
+		{"123.4567", "#\\ ?/10", "123 5/10"},
+		{"-123.4567", "#\\ ?/100", "-123 46/100"},
+		{"123.4567", "#\\ ?/1000", "123 457/1000"},
 		{"1234.5678", "[$$-409]#,##0.00", "$1,234.57"},
 		// Unsupported number format
 		{"37947.7500001", "0.00000000E+000", "37947.7500001"},

picture.go

@@ -231,7 +231,18 @@ func (f *File) AddPictureFromBytes(sheet, cell string, pic *Picture) error {
 	drawingID, drawingXML = f.prepareDrawing(ws, drawingID, sheet, drawingXML)
 	drawingRels := "xl/drawings/_rels/drawing" + strconv.Itoa(drawingID) + ".xml.rels"
 	mediaStr := ".." + strings.TrimPrefix(f.addMedia(pic.File, ext), "xl")
-	drawingRID := f.addRels(drawingRels, SourceRelationshipImage, mediaStr, hyperlinkType)
+	var drawingRID int
+	if rels, _ := f.relsReader(drawingRels); rels != nil {
+		for _, rel := range rels.Relationships {
+			if rel.Type == SourceRelationshipImage && rel.Target == mediaStr {
+				drawingRID, _ = strconv.Atoi(strings.TrimPrefix(rel.ID, "rId"))
+				break
+			}
+		}
+	}
+	if drawingRID == 0 {
+		drawingRID = f.addRels(drawingRels, SourceRelationshipImage, mediaStr, hyperlinkType)
+	}
 	// Add picture with hyperlink.
 	if options.Hyperlink != "" && options.HyperlinkType != "" {
 		if options.HyperlinkType == "External" {
@@ -494,8 +505,8 @@ func (f *File) DeletePicture(sheet, cell string) error {
 		return err
 	}
 	var used bool
-	f.Pkg.Range(func(k, v interface{}) bool {
-		if strings.Contains(k.(string), "xl/drawings/_rels/") {
+	checkPicRef := func(k, v interface{}) bool {
+		if strings.Contains(k.(string), "xl/drawings/_rels/drawing") {
 			r, err := f.relsReader(k.(string))
 			if err != nil {
 				return true
@@ -508,7 +519,9 @@ func (f *File) DeletePicture(sheet, cell string) error {
 			}
 		}
 		return true
-	})
+	}
+	f.Relationships.Range(checkPicRef)
+	f.Pkg.Range(checkPicRef)
 	if !used {
 		f.Pkg.Delete(strings.Replace(rels.Target, "../", "xl/", -1))
 	}