246 lines
4.6 KiB
Go
246 lines
4.6 KiB
Go
package xls
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import (
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"fmt"
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"math"
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"strconv"
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"strings"
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"time"
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yymmdd "github.com/extrame/goyymmdd"
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)
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const DDMMYYYYhhmmss = "2006-01-02 15:04:05"
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//content type
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type contentHandler interface {
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String(*WorkBook) []string
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FirstCol() uint16
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LastCol() uint16
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}
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type Col struct {
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RowB uint16
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FirstColB uint16
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}
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type Coler interface {
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Row() uint16
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}
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func (c *Col) Row() uint16 {
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return c.RowB
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}
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func (c *Col) FirstCol() uint16 {
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return c.FirstColB
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}
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func (c *Col) LastCol() uint16 {
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return c.FirstColB
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}
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func (c *Col) String(wb *WorkBook) []string {
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return []string{"default"}
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}
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type XfRk struct {
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Index uint16
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Rk RK
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}
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func (xf *XfRk) String(wb *WorkBook) string {
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idx := int(xf.Index)
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if len(wb.Xfs) > idx {
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fNo := wb.Xfs[idx].formatNo()
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if fNo >= 164 { // user defined format
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if formatter := wb.Formats[fNo]; formatter != nil {
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formatterLower := strings.ToLower(formatter.str)
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if formatterLower == "general" ||
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strings.Contains(formatter.str, "#") ||
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strings.Contains(formatter.str, ".00") ||
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strings.Contains(formatterLower, "m/y") ||
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strings.Contains(formatterLower, "d/y") ||
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strings.Contains(formatterLower, "m.y") ||
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strings.Contains(formatterLower, "d.y") ||
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strings.Contains(formatterLower, "h:") ||
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strings.Contains(formatterLower, "д.г") {
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//If format contains # or .00 then this is a number
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return xf.Rk.String()
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} else {
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i, f, isFloat := xf.Rk.number()
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if !isFloat {
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f = float64(i)
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}
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t := timeFromExcelTime(f, wb.dateMode == 1)
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return yymmdd.Format(t, formatter.str)
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}
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}
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// see http://www.openoffice.org/sc/excelfileformat.pdf Page #174
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} else if 14 <= fNo && fNo <= 17 || fNo == 22 || 27 <= fNo && fNo <= 36 || 50 <= fNo && fNo <= 58 { // jp. date format
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i, f, isFloat := xf.Rk.number()
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if !isFloat {
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f = float64(i)
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}
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t := timeFromExcelTime(f, wb.dateMode == 1)
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return t.Format(time.RFC3339) //TODO it should be international
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}
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}
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return xf.Rk.String()
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}
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type RK uint32
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func (rk RK) number() (intNum int64, floatNum float64, isFloat bool) {
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multiplied := rk & 1
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isInt := rk & 2
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val := int32(rk) >> 2
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if isInt == 0 {
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isFloat = true
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floatNum = math.Float64frombits(uint64(val) << 34)
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if multiplied != 0 {
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floatNum = floatNum / 100
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}
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return
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}
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if multiplied != 0 {
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isFloat = true
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floatNum = float64(val) / 100
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return
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}
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return int64(val), 0, false
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}
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func (rk RK) String() string {
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i, f, isFloat := rk.number()
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if isFloat {
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return strconv.FormatFloat(f, 'f', -1, 64)
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}
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return strconv.FormatInt(i, 10)
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}
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var ErrIsInt = fmt.Errorf("is int")
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func (rk RK) Float() (float64, error) {
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_, f, isFloat := rk.number()
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if !isFloat {
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return 0, ErrIsInt
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}
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return f, nil
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}
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type MulrkCol struct {
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Col
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Xfrks []XfRk
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LastColB uint16
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}
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func (c *MulrkCol) LastCol() uint16 {
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return c.LastColB
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}
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func (c *MulrkCol) String(wb *WorkBook) []string {
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var res = make([]string, len(c.Xfrks))
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for i := 0; i < len(c.Xfrks); i++ {
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xfrk := c.Xfrks[i]
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res[i] = xfrk.String(wb)
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}
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return res
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}
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type MulBlankCol struct {
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Col
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Xfs []uint16
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LastColB uint16
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}
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func (c *MulBlankCol) LastCol() uint16 {
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return c.LastColB
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}
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func (c *MulBlankCol) String(wb *WorkBook) []string {
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return make([]string, len(c.Xfs))
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}
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type NumberCol struct {
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Col
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Index uint16
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Float float64
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}
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func (c *NumberCol) String(wb *WorkBook) []string {
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if fNo := wb.Xfs[c.Index].formatNo(); fNo != 0 {
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t := timeFromExcelTime(c.Float, wb.dateMode == 1)
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if fNo == 176 {
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return []string{t.Format(DDMMYYYYhhmmss)}
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}
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return []string{yymmdd.Format(t, wb.Formats[fNo].str)}
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}
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return []string{strconv.FormatFloat(c.Float, 'f', -1, 64)}
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}
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type FormulaStringCol struct {
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Col
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RenderedValue string
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}
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func (c *FormulaStringCol) String(wb *WorkBook) []string {
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return []string{c.RenderedValue}
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}
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//str, err = wb.get_string(buf_item, size)
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//wb.sst[offset_pre] = wb.sst[offset_pre] + str
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type FormulaCol struct {
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Header struct {
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Col
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IndexXf uint16
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Result [8]byte
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Flags uint16
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_ uint32
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}
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Bts []byte
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}
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func (c *FormulaCol) String(wb *WorkBook) []string {
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return []string{"FormulaCol"}
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}
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type RkCol struct {
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Col
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Xfrk XfRk
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}
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func (c *RkCol) String(wb *WorkBook) []string {
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return []string{c.Xfrk.String(wb)}
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}
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type LabelsstCol struct {
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Col
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Xf uint16
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Sst uint32
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}
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func (c *LabelsstCol) String(wb *WorkBook) []string {
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return []string{wb.sst[int(c.Sst)]}
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}
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type labelCol struct {
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BlankCol
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Str string
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}
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func (c *labelCol) String(wb *WorkBook) []string {
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return []string{c.Str}
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}
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type BlankCol struct {
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Col
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Xf uint16
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}
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func (c *BlankCol) String(wb *WorkBook) []string {
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return []string{""}
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}
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