init

2015-03-19 17:39:41 +08:00
commit fbfa8b5d0d
12 changed files with 656 additions and 0 deletions
--- a/worksheet.go
+++ b/worksheet.go
@@ -0,0 +1,114 @@
+package xls
+
+import (
+	"encoding/binary"
+	"fmt"
+	"io"
+)
+
+type Boundsheet struct {
+	Filepos uint32
+	Type    byte
+	Visible byte
+	Name    byte
+}
+
+type WorkSheet struct {
+	bs     *Boundsheet
+	wb     *WorkBook
+	Name   string
+	Rows   map[uint16]*Row
+	MaxRow uint16
+}
+
+func (w *WorkSheet) Parse(buf io.ReadSeeker) {
+	w.Rows = make(map[uint16]*Row)
+	bof := new(BOF)
+	var bof_pre *BOF
+	for {
+		if err := binary.Read(buf, binary.LittleEndian, bof); err == nil {
+			bof_pre = w.parseBof(buf, bof, bof_pre)
+		} else {
+			fmt.Println(err)
+			break
+		}
+	}
+}
+
+func (w *WorkSheet) parseBof(buf io.ReadSeeker, bof *BOF, pre *BOF) *BOF {
+	var col Coler
+	switch bof.Id {
+	case 0x0E5: //MERGEDCELLS
+		// ws.mergedCells(buf)
+	case 0x208: //ROW
+		r := new(RowInfo)
+		binary.Read(buf, binary.LittleEndian, r)
+		w.addRow(r)
+	case 0x0BD: //MULRK
+		mc := new(MulrkCol)
+		size := (bof.Size - 6) / 6
+		binary.Read(buf, binary.LittleEndian, &mc.Col)
+		mc.Xfrks = make([]XfRk, size)
+		for i := uint16(0); i < size; i++ {
+			binary.Read(buf, binary.LittleEndian, &mc.Xfrks[i])
+		}
+		binary.Read(buf, binary.LittleEndian, &mc.LastColB)
+		col = mc
+	case 0x0BE: //MULBLANK
+		mc := new(MulBlankCol)
+		size := (bof.Size - 6) / 2
+		binary.Read(buf, binary.LittleEndian, &mc.Col)
+		mc.Xfs = make([]uint16, size)
+		for i := uint16(0); i < size; i++ {
+			binary.Read(buf, binary.LittleEndian, &mc.Xfs[i])
+		}
+		binary.Read(buf, binary.LittleEndian, &mc.LastColB)
+		col = mc
+	case 0x203: //NUMBER
+		col = new(NumberCol)
+		binary.Read(buf, binary.LittleEndian, col)
+	case 0x06: //FORMULA
+		col = new(FormulaCol)
+		binary.Read(buf, binary.LittleEndian, col)
+	case 0x27e: //RK
+		col = new(RkCol)
+		binary.Read(buf, binary.LittleEndian, col)
+	case 0xFD: //LABELSST
+		col = new(LabelsstCol)
+		binary.Read(buf, binary.LittleEndian, col)
+	case 0x201: //BLANK
+		col = new(BlankCol)
+		binary.Read(buf, binary.LittleEndian, col)
+	default:
+		buf.Seek(int64(bof.Size), 1)
+	}
+	if col != nil {
+		w.addCell(col)
+	}
+	return bof
+}
+
+func (w *WorkSheet) addCell(col Coler) {
+	var row *Row
+	var ok bool
+	if row, ok = w.Rows[col.Row()]; !ok {
+		info := new(RowInfo)
+		info.Index = col.Row()
+		row = w.addRow(info)
+	}
+	row.Cols[col.FirstCol()] = col
+}
+
+func (w *WorkSheet) addRow(info *RowInfo) (row *Row) {
+	if info.Index > w.MaxRow {
+		w.MaxRow = info.Index
+	}
+	var ok bool
+	if row, ok = w.Rows[info.Index]; ok {
+		row.info = info
+	} else {
+		row = &Row{info: info, Cols: make(map[uint16]Coler)}
+		w.Rows[info.Index] = row
+	}
+	return
+}