/
mxlibrary.go
69 lines (56 loc) · 1.41 KB
/
mxlibrary.go
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package libdrawio
import (
"encoding/json"
"encoding/xml"
"io/ioutil"
"strings"
)
type MxLibrary struct {
XMLName xml.Name `xml:"mxlibrary"`
Value string `xml:",chardata"`
MxGraphModels []MxGraphModel
}
type MxLibObject struct {
Xml string `json:"xml"`
W int `json:"w"`
H int `json:"h"`
Title string `json:"title"`
}
func NewMxLibrary() *MxLibrary {
return new(MxLibrary)
}
// Make MxLibrary string from MxLibrary.MxGraphModels, then set to MxLibrary.Value.
func (m *MxLibrary) MakeMxLibrary(mxlibObjects []MxLibObject) error {
for index, mxlibObj := range mxlibObjects {
mxlibObjects[index] = mxlibObj
}
b, err := json.Marshal(mxlibObjects)
if err != nil {
return err
}
m.Value = string(b)
return nil
}
// Make MxLibObj from MxGraphModel, title, height, width
func (m *MxLibrary) MakeMxLibObj(mxGraphModel *MxGraphModel, title string, height, width int) (*MxLibObject, error) {
result, err := mxGraphModel.Compress()
if err != nil {
return nil, err
}
mxlibObj := new(MxLibObject)
mxlibObj.Xml = result
mxlibObj.H = height
mxlibObj.W = width
mxlibObj.Title = title
return mxlibObj, nil
}
// Write MxLibrary to xml file.
func (m *MxLibrary) Write(filepath string) error {
file, err := xml.Marshal(m)
if err != nil {
return err
}
xmlStr := strings.ReplaceAll(string(file), """, "\"")
err = ioutil.WriteFile(filepath, []byte(xmlStr), 0644)
return nil
}