21
0
xls/col.go
2015-10-30 16:01:42 +08:00

177 lines
2.7 KiB
Go

package xls
import (
"fmt"
"math"
)
//content type
type contentHandler interface {
String(*WorkBook) []string
FirstCol() uint16
LastCol() uint16
}
type Col struct {
RowB uint16
FirstColB uint16
}
type Coler interface {
Row() uint16
}
func (c *Col) Row() uint16 {
return c.RowB
}
func (c *Col) FirstCol() uint16 {
return c.FirstColB
}
func (c *Col) LastCol() uint16 {
return c.FirstColB
}
func (c *Col) String(wb *WorkBook) []string {
return []string{"default"}
}
type XfRk struct {
Index uint16
Rk RK
}
func (xf *XfRk) String(wb *WorkBook) string {
if len(wb.Xfs) > 21 {
switch wb.Xfs[21].formatNo() {
case 27:
if f, e := xf.Rk.Float(); e == nil {
t := timeFromExcelTime(f, true)
return t.Format("2006.01") //TODO it should be international
}
}
}
return fmt.Sprintf("%s", xf.Rk.String())
}
type RK uint32
func (rk RK) String() string {
multiplied := rk & 1
isInt := rk & 2
val := rk >> 2
if isInt == 0 {
f := math.Float64frombits(uint64(val) << 34)
if multiplied != 0 {
f = f / 100
}
return fmt.Sprintf("%.1f", f)
} else {
return fmt.Sprint(val)
}
}
var ErrIsInt = fmt.Errorf("is int")
func (rk RK) Float() (float64, error) {
multiplied := rk & 1
isInt := rk & 2
val := rk >> 2
if isInt == 0 {
f := math.Float64frombits(uint64(val) << 34)
if multiplied != 0 {
f = f / 100
}
return f, nil
} else {
return 0.0, ErrIsInt
}
}
type MulrkCol struct {
Col
Xfrks []XfRk
LastColB uint16
}
func (c *MulrkCol) LastCol() uint16 {
return c.LastColB
}
func (c *MulrkCol) String(wb *WorkBook) []string {
var res = make([]string, len(c.Xfrks))
for i := 0; i < len(c.Xfrks); i++ {
xfrk := c.Xfrks[i]
res[i] = xfrk.String(wb)
}
return res
}
type MulBlankCol struct {
Col
Xfs []uint16
LastColB uint16
}
func (c *MulBlankCol) LastCol() uint16 {
return c.LastColB
}
func (c *MulBlankCol) String(wb *WorkBook) []string {
return make([]string, len(c.Xfs))
}
type NumberCol struct {
Col
Index uint16
Float float64
}
func (c *NumberCol) String(wb *WorkBook) []string {
return []string{fmt.Sprintf("%f", c.Float)}
}
type FormulaCol struct {
Header struct {
Col
IndexXf uint16
Result [8]byte
Flags uint16
_ uint32
}
Bts []byte
}
func (c *FormulaCol) String(wb *WorkBook) []string {
return []string{"FormulaCol"}
}
type RkCol struct {
Col
Xfrk XfRk
}
func (c *RkCol) String(wb *WorkBook) []string {
return []string{c.Xfrk.Rk.String()}
}
type LabelsstCol struct {
Col
Xf uint16
Sst uint32
}
func (c *LabelsstCol) String(wb *WorkBook) []string {
return []string{wb.sst[int(c.Sst)]}
}
type BlankCol struct {
Col
Xf uint16
}
func (c *BlankCol) String(wb *WorkBook) []string {
return []string{""}
}