mirror of
https://github.com/fumiama/go-docx.git
synced 2026-06-05 07:40:24 +08:00
763 lines
18 KiB
Go
763 lines
18 KiB
Go
/*
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Copyright (c) 2020 gingfrederik
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Copyright (c) 2021 Gonzalo Fernandez-Victorio
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Copyright (c) 2021 Basement Crowd Ltd (https://www.basementcrowd.com)
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Copyright (c) 2023 Fumiama Minamoto (源文雨)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package docx
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import (
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"encoding/xml"
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"io"
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"strconv"
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"strings"
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)
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// WTable represents a table within a Word document.
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type WTable struct {
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XMLName xml.Name `xml:"w:tbl,omitempty"`
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TableProperties *WTableProperties
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TableGrid *WTableGrid
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TableRows []*WTableRow
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file *Docx
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}
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// UnmarshalXML implements the xml.Unmarshaler interface.
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func (t *WTable) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
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for {
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token, err := d.Token()
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if err == io.EOF {
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break
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}
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if err != nil {
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return err
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}
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if tt, ok := token.(xml.StartElement); ok {
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switch tt.Name.Local {
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case "tr":
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var value WTableRow
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err = d.DecodeElement(&value, &tt)
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if err != nil && !strings.HasPrefix(err.Error(), "expected") {
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return err
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}
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value.file = t.file
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t.TableRows = append(t.TableRows, &value)
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case "tblPr":
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t.TableProperties = new(WTableProperties)
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err = d.DecodeElement(t.TableProperties, &tt)
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if err != nil && !strings.HasPrefix(err.Error(), "expected") {
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return err
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}
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case "tblGrid":
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t.TableGrid = new(WTableGrid)
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err = d.DecodeElement(t.TableGrid, &tt)
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if err != nil && !strings.HasPrefix(err.Error(), "expected") {
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return err
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}
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default:
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err = d.Skip() // skip unsupported tags
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if err != nil {
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return err
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}
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continue
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}
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}
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}
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return nil
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}
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// WTableProperties is an element that represents the properties of a table in Word document.
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type WTableProperties struct {
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XMLName xml.Name `xml:"w:tblPr,omitempty"`
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Position *WTablePositioningProperties
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Style *WTableStyle
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Width *WTableWidth
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Justification *Justification `xml:"w:jc,omitempty"`
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TableBorders *WTableBorders `xml:"w:tblBorders"`
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Look *WTableLook
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}
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// UnmarshalXML implements the xml.Unmarshaler interface.
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func (t *WTableProperties) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
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for {
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token, err := d.Token()
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if err == io.EOF {
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break
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}
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if err != nil {
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return err
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}
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if tt, ok := token.(xml.StartElement); ok {
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switch tt.Name.Local {
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case "tblpPr":
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t.Position = new(WTablePositioningProperties)
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err = d.DecodeElement(t.Position, &tt)
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if err != nil && !strings.HasPrefix(err.Error(), "expected") {
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return err
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}
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case "tblStyle":
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t.Style = new(WTableStyle)
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err = d.DecodeElement(t.Style, &tt)
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if err != nil && !strings.HasPrefix(err.Error(), "expected") {
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return err
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}
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case "tblW":
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t.Width = new(WTableWidth)
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err = d.DecodeElement(t.Width, &tt)
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if err != nil && !strings.HasPrefix(err.Error(), "expected") {
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return err
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}
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case "jc":
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th := new(Justification)
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for _, attr := range tt.Attr {
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if attr.Name.Local == "val" {
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th.Val = attr.Value
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break
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}
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}
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t.Justification = th
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err = d.Skip()
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if err != nil {
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return err
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}
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case "tblLook":
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t.Look = new(WTableLook)
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err = d.DecodeElement(t.Look, &tt)
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if err != nil && !strings.HasPrefix(err.Error(), "expected") {
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return err
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}
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case "tblBorders":
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t.TableBorders = new(WTableBorders)
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err = d.DecodeElement(t.TableBorders, &tt)
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if err != nil && !strings.HasPrefix(err.Error(), "expected") {
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return err
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}
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default:
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err = d.Skip() // skip unsupported tags
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if err != nil {
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return err
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}
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continue
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}
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}
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}
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return nil
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}
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// WTablePositioningProperties is an element that contains the properties
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// for positioning a table within a document page, including its horizontal
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// and vertical anchors, distance from text, and coordinates.
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type WTablePositioningProperties struct {
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XMLName xml.Name `xml:"w:tblpPr,omitempty"`
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LeftFromText int `xml:"w:leftFromText,attr,omitempty"`
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RightFromText int `xml:"w:rightFromText,attr,omitempty"`
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VertAnchor string `xml:"w:vertAnchor,attr,omitempty"`
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HorzAnchor string `xml:"w:horzAnchor,attr,omitempty"`
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TblpXSpec string `xml:"w:tblpXSpec,attr,omitempty"`
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TblpYSpec string `xml:"w:tblpYSpec,attr,omitempty"`
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TblpX int `xml:"w:tblpX,attr,omitempty"`
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TblpY int `xml:"w:tblpY,attr,omitempty"`
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}
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// UnmarshalXML ...
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func (tp *WTablePositioningProperties) UnmarshalXML(d *xml.Decoder, start xml.StartElement) (err error) {
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for _, attr := range start.Attr {
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switch attr.Name.Local {
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case "leftFromText":
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tp.LeftFromText, err = strconv.Atoi(attr.Value)
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if err != nil {
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return err
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}
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case "rightFromText":
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tp.RightFromText, err = strconv.Atoi(attr.Value)
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if err != nil {
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return err
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}
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case "vertAnchor":
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tp.VertAnchor = attr.Value
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case "horzAnchor":
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tp.HorzAnchor = attr.Value
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case "tblpXSpec":
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tp.TblpXSpec = attr.Value
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case "tblpYSpec":
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tp.TblpYSpec = attr.Value
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case "tblpX":
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tp.TblpX, err = strconv.Atoi(attr.Value)
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if err != nil {
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return err
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}
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case "tblpY":
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tp.TblpY, err = strconv.Atoi(attr.Value)
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if err != nil {
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return err
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}
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}
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}
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// Consume the end element
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_, err = d.Token()
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return err
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}
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// WTableStyle represents the style of a table in a Word document.
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type WTableStyle struct {
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XMLName xml.Name `xml:"w:tblStyle,omitempty"`
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Val string `xml:"w:val,attr"`
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}
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// UnmarshalXML ...
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func (t *WTableStyle) UnmarshalXML(d *xml.Decoder, start xml.StartElement) (err error) {
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for _, attr := range start.Attr {
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if attr.Value == "" {
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continue
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}
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switch attr.Name.Local {
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case "val":
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t.Val = attr.Value
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default:
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// ignore other attributes
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}
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}
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// Consume the end element
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_, err = d.Token()
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return err
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}
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// WTableWidth represents the width of a table in a Word document.
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type WTableWidth struct {
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XMLName xml.Name `xml:"w:tblW,omitempty"`
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W int64 `xml:"w:w,attr"`
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Type string `xml:"w:type,attr"`
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}
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// UnmarshalXML ...
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func (t *WTableWidth) UnmarshalXML(d *xml.Decoder, start xml.StartElement) (err error) {
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for _, attr := range start.Attr {
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if attr.Value == "" {
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continue
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}
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switch attr.Name.Local {
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case "w":
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t.W, err = strconv.ParseInt(attr.Value, 10, 64)
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if err != nil {
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return
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}
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case "type":
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t.Type = attr.Value
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default:
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// ignore other attributes
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}
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}
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// Consume the end element
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_, err = d.Token()
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return err
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}
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// WTableLook represents the look of a table in a Word document.
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type WTableLook struct {
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XMLName xml.Name `xml:"w:tblLook,omitempty"`
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Val string `xml:"w:val,attr"`
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FirstRow int `xml:"w:firstRow,attr"`
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LastRow int `xml:"w:lastRow,attr"`
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FirstCol int `xml:"w:firstColumn,attr"`
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LastCol int `xml:"w:lastColumn,attr"`
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NoHBand int `xml:"w:noHBand,attr"`
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NoVBand int `xml:"w:noVBand,attr"`
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}
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// UnmarshalXML ...
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func (t *WTableLook) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
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for _, attr := range start.Attr {
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if attr.Value == "" {
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continue
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}
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switch attr.Name.Local {
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case "val":
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t.Val = attr.Value
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case "firstRow":
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t.FirstRow = int(attr.Value[0] - '0')
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case "lastRow":
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t.LastRow = int(attr.Value[0] - '0')
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case "firstColumn":
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t.FirstCol = int(attr.Value[0] - '0')
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case "lastColumn":
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t.LastCol = int(attr.Value[0] - '0')
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case "noHBand":
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t.NoHBand = int(attr.Value[0] - '0')
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case "noVBand":
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t.NoVBand = int(attr.Value[0] - '0')
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default:
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// ignore other attributes
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}
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}
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// Consume the end element
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_, err := d.Token()
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if err != nil {
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return err
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}
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return nil
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}
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// WTableGrid is a structure that represents the table grid of a Word document.
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type WTableGrid struct {
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XMLName xml.Name `xml:"w:tblGrid,omitempty"`
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GridCols []*WGridCol `xml:"w:gridCol,omitempty"`
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}
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// UnmarshalXML ...
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func (t *WTableGrid) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
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for {
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tok, err := d.Token()
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if err == io.EOF {
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break
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}
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if err != nil {
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return err
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}
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if el, ok := tok.(xml.StartElement); ok {
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switch el.Name.Local {
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case "gridCol":
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var gc WGridCol
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err := d.DecodeElement(&gc, &el)
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if err != nil && !strings.HasPrefix(err.Error(), "expected") {
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return err
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}
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t.GridCols = append(t.GridCols, &gc)
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default:
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err = d.Skip() // skip unsupported tags
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if err != nil {
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return err
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}
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continue
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}
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}
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}
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return nil
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}
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// WGridCol is a structure that represents a table grid column of a Word document.
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type WGridCol struct {
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XMLName xml.Name `xml:"w:gridCol,omitempty"`
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W int64 `xml:"w:w,attr"`
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}
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// UnmarshalXML ...
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func (g *WGridCol) UnmarshalXML(d *xml.Decoder, start xml.StartElement) (err error) {
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for _, attr := range start.Attr {
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if attr.Value == "" {
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continue
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}
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switch attr.Name.Local {
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case "w":
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g.W, err = strconv.ParseInt(attr.Value, 10, 64)
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if err != nil {
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return
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}
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default:
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// ignore other attributes
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}
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}
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// Consume the end element
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_, err = d.Token()
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return err
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}
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// WTableRow represents a row within a table.
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type WTableRow struct {
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XMLName xml.Name `xml:"w:tr,omitempty"`
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RsidR string `xml:"w:rsidR,attr,omitempty"`
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RsidTr string `xml:"w:rsidTr,attr,omitempty"`
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TableRowProperties *WTableRowProperties
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TableCells []*WTableCell
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file *Docx
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}
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// UnmarshalXML ...
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func (w *WTableRow) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
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for _, attr := range start.Attr {
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switch attr.Name.Local {
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case "rsidR":
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w.RsidR = attr.Value
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case "rsidTr":
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w.RsidTr = attr.Value
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default:
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// ignore other attributes
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}
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}
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for {
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t, err := d.Token()
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if err == io.EOF {
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break
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}
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if err != nil {
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return err
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}
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if tt, ok := t.(xml.StartElement); ok {
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switch tt.Name.Local {
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case "trPr":
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w.TableRowProperties = new(WTableRowProperties)
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err = d.DecodeElement(w.TableRowProperties, &tt)
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if err != nil && !strings.HasPrefix(err.Error(), "expected") {
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return err
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}
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case "tc":
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var value WTableCell
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err = d.DecodeElement(&value, &tt)
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if err != nil && !strings.HasPrefix(err.Error(), "expected") {
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return err
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}
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value.file = w.file
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w.TableCells = append(w.TableCells, &value)
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default:
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err = d.Skip() // skip unsupported tags
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if err != nil {
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return err
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}
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continue
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}
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}
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}
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return nil
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}
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// WTableRowProperties represents the properties of a row within a table.
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type WTableRowProperties struct {
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XMLName xml.Name `xml:"w:trPr,omitempty"`
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TableRowHeight *WTableRowHeight
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Justification *Justification `xml:"w:jc,omitempty"`
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}
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// UnmarshalXML ...
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func (t *WTableRowProperties) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
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for {
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tok, err := d.Token()
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if err == io.EOF {
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break
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}
|
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if err != nil {
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return err
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}
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|
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if tt, ok := tok.(xml.StartElement); ok {
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switch tt.Name.Local {
|
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case "trHeight":
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th := new(WTableRowHeight)
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for _, attr := range tt.Attr {
|
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if attr.Name.Local == "val" {
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th.Val, err = strconv.ParseInt(attr.Value, 10, 64)
|
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if err != nil {
|
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return err
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}
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break
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}
|
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}
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t.TableRowHeight = th
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err = d.Skip()
|
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if err != nil {
|
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return err
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}
|
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case "jc":
|
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th := new(Justification)
|
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for _, attr := range tt.Attr {
|
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if attr.Name.Local == "val" {
|
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th.Val = attr.Value
|
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break
|
||
}
|
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}
|
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t.Justification = th
|
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err = d.Skip()
|
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if err != nil {
|
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return err
|
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}
|
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default:
|
||
err = d.Skip()
|
||
if err != nil {
|
||
return err
|
||
}
|
||
}
|
||
}
|
||
}
|
||
return nil
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||
}
|
||
|
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// WTableRowHeight represents the height of a row within a table.
|
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type WTableRowHeight struct {
|
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XMLName xml.Name `xml:"w:trHeight,omitempty"`
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Val int64 `xml:"w:val,attr"`
|
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}
|
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|
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// WTableCell represents a cell within a table.
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type WTableCell struct {
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XMLName xml.Name `xml:"w:tc,omitempty"`
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TableCellProperties *WTableCellProperties
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Paragraphs []Paragraph `xml:"w:p,omitempty"`
|
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|
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file *Docx
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}
|
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|
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// UnmarshalXML ...
|
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func (c *WTableCell) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
|
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for {
|
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t, err := d.Token()
|
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if err == io.EOF {
|
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break
|
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}
|
||
if err != nil {
|
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return err
|
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}
|
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|
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if tt, ok := t.(xml.StartElement); ok {
|
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switch tt.Name.Local {
|
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case "p":
|
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var value Paragraph
|
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err = d.DecodeElement(&value, &tt)
|
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if err != nil && !strings.HasPrefix(err.Error(), "expected") {
|
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return err
|
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}
|
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if len(value.Children) > 0 {
|
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value.file = c.file
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c.Paragraphs = append(c.Paragraphs, value)
|
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}
|
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case "tcPr":
|
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var value WTableCellProperties
|
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err = d.DecodeElement(&value, &tt)
|
||
if err != nil && !strings.HasPrefix(err.Error(), "expected") {
|
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return err
|
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}
|
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c.TableCellProperties = &value
|
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default:
|
||
err = d.Skip() // skip unsupported tags
|
||
if err != nil {
|
||
return err
|
||
}
|
||
continue
|
||
}
|
||
}
|
||
}
|
||
return nil
|
||
}
|
||
|
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// WTableCellProperties represents the properties of a table cell.
|
||
type WTableCellProperties struct {
|
||
XMLName xml.Name `xml:"w:tcPr,omitempty"`
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TableCellWidth *WTableCellWidth
|
||
GridSpan *WGridSpan
|
||
VAlign *WVerticalAlignment
|
||
TableBorders *WTableBorders `xml:"w:tcBorders"`
|
||
}
|
||
|
||
// UnmarshalXML ...
|
||
func (r *WTableCellProperties) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
|
||
for {
|
||
t, err := d.Token()
|
||
if err == io.EOF {
|
||
break
|
||
}
|
||
if err != nil {
|
||
return err
|
||
}
|
||
|
||
if tt, ok := t.(xml.StartElement); ok {
|
||
switch tt.Name.Local {
|
||
case "tcW":
|
||
r.TableCellWidth = new(WTableCellWidth)
|
||
v := getAtt(tt.Attr, "w")
|
||
if v == "" {
|
||
continue
|
||
}
|
||
r.TableCellWidth.W, err = strconv.ParseInt(v, 10, 64)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
r.TableCellWidth.Type = getAtt(tt.Attr, "type")
|
||
case "gridSpan":
|
||
r.GridSpan = new(WGridSpan)
|
||
v := getAtt(tt.Attr, "val")
|
||
if v == "" {
|
||
continue
|
||
}
|
||
r.GridSpan.Val, err = strconv.Atoi(v)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
case "vAlign":
|
||
r.VAlign = new(WVerticalAlignment)
|
||
r.VAlign.Val = getAtt(tt.Attr, "val")
|
||
case "tcBorders":
|
||
r.TableBorders = new(WTableBorders)
|
||
err = d.DecodeElement(r.TableBorders, &tt)
|
||
if err != nil && !strings.HasPrefix(err.Error(), "expected") {
|
||
return err
|
||
}
|
||
default:
|
||
err = d.Skip() // skip unsupported tags
|
||
if err != nil {
|
||
return err
|
||
}
|
||
continue
|
||
}
|
||
}
|
||
}
|
||
return nil
|
||
}
|
||
|
||
// WTableCellWidth represents the width of a table cell.
|
||
//
|
||
// 在w:tcW元素中，type属性可以有以下几种取值：
|
||
//
|
||
// "auto"：表示表格列宽度由文本或表格布局决定。
|
||
// "dxa"：表示表格列宽度使用磅为单位。
|
||
//
|
||
// 不同的取值对应着不同的宽度计量单位和宽度定义方式。
|
||
type WTableCellWidth struct {
|
||
XMLName xml.Name `xml:"w:tcW,omitempty"`
|
||
W int64 `xml:"w:w,attr"`
|
||
Type string `xml:"w:type,attr"`
|
||
}
|
||
|
||
// WTableBorders is a structure representing the borders of a Word table.
|
||
type WTableBorders struct {
|
||
Top *WTableBorder `xml:"w:top,omitempty"`
|
||
Left *WTableBorder `xml:"w:left,omitempty"`
|
||
Bottom *WTableBorder `xml:"w:bottom,omitempty"`
|
||
Right *WTableBorder `xml:"w:right,omitempty"`
|
||
InsideH *WTableBorder `xml:"w:insideH,omitempty"`
|
||
InsideV *WTableBorder `xml:"w:insideV,omitempty"`
|
||
}
|
||
|
||
// UnmarshalXML ...
|
||
func (w *WTableBorders) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
|
||
for {
|
||
t, err := d.Token()
|
||
if err == io.EOF {
|
||
break
|
||
}
|
||
if err != nil {
|
||
return err
|
||
}
|
||
|
||
if tt, ok := t.(xml.StartElement); ok {
|
||
switch tt.Name.Local {
|
||
case "top":
|
||
value := new(WTableBorder)
|
||
err = d.DecodeElement(value, &tt)
|
||
if err != nil && !strings.HasPrefix(err.Error(), "expected") {
|
||
return err
|
||
}
|
||
w.Top = value
|
||
case "left":
|
||
value := new(WTableBorder)
|
||
err = d.DecodeElement(value, &tt)
|
||
if err != nil && !strings.HasPrefix(err.Error(), "expected") {
|
||
return err
|
||
}
|
||
w.Left = value
|
||
case "bottom":
|
||
value := new(WTableBorder)
|
||
err = d.DecodeElement(value, &tt)
|
||
if err != nil && !strings.HasPrefix(err.Error(), "expected") {
|
||
return err
|
||
}
|
||
w.Bottom = value
|
||
case "right":
|
||
value := new(WTableBorder)
|
||
err = d.DecodeElement(value, &tt)
|
||
if err != nil && !strings.HasPrefix(err.Error(), "expected") {
|
||
return err
|
||
}
|
||
w.Right = value
|
||
case "insideH":
|
||
value := new(WTableBorder)
|
||
err = d.DecodeElement(value, &tt)
|
||
if err != nil && !strings.HasPrefix(err.Error(), "expected") {
|
||
return err
|
||
}
|
||
w.InsideH = value
|
||
case "insideV":
|
||
value := new(WTableBorder)
|
||
err = d.DecodeElement(value, &tt)
|
||
if err != nil && !strings.HasPrefix(err.Error(), "expected") {
|
||
return err
|
||
}
|
||
w.InsideV = value
|
||
default:
|
||
err = d.Skip() // skip unsupported tags
|
||
if err != nil {
|
||
return err
|
||
}
|
||
continue
|
||
}
|
||
}
|
||
}
|
||
return nil
|
||
}
|
||
|
||
// WTableBorder is a structure representing a single border of a Word table.
|
||
type WTableBorder struct {
|
||
Val string `xml:"w:val,attr"`
|
||
Size int `xml:"w:sz,attr"`
|
||
Space int `xml:"w:space,attr"`
|
||
Color string `xml:"w:color,attr"`
|
||
}
|
||
|
||
// UnmarshalXML ...
|
||
func (t *WTableBorder) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
|
||
for _, attr := range start.Attr {
|
||
switch attr.Name.Local {
|
||
case "val":
|
||
t.Val = attr.Value
|
||
case "sz":
|
||
sz, err := strconv.Atoi(attr.Value)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
t.Size = sz
|
||
case "space":
|
||
space, err := strconv.Atoi(attr.Value)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
t.Space = space
|
||
case "color":
|
||
t.Color = attr.Value
|
||
}
|
||
}
|
||
// Consume the end element
|
||
_, err := d.Token()
|
||
if err != nil {
|
||
return err
|
||
}
|
||
return nil
|
||
}
|
||
|
||
// WGridSpan represents the number of grid columns this cell should span.
|
||
type WGridSpan struct {
|
||
XMLName xml.Name `xml:"w:gridSpan,omitempty"`
|
||
Val int `xml:"w:val,attr"`
|
||
}
|
||
|
||
// WVerticalAlignment represents the vertical alignment of the content of a cell.
|
||
type WVerticalAlignment struct {
|
||
XMLName xml.Name `xml:"w:vAlign,omitempty"`
|
||
Val string `xml:"w:val,attr"`
|
||
}
|