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table.go
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table.go
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package gosmi
import (
"github.com/Chindada/gosmi/smi"
"github.com/Chindada/gosmi/types"
)
type Table struct {
SmiNode
Columns map[string]SmiNode
ColumnOrder []string
Implied bool
Index []SmiNode
}
func (t SmiNode) AsTable() Table {
columns, columnOrder := t.GetColumns()
return Table{
SmiNode: t,
Columns: columns,
ColumnOrder: columnOrder,
Implied: t.GetImplied(),
Index: t.GetIndex(),
}
}
func (t SmiNode) getRow() (row *types.SmiNode) {
switch t.Kind {
case types.NodeRow:
row = t.GetRaw()
case types.NodeTable:
row = smi.GetFirstChildNode(t.smiNode)
if row == nil {
return
}
default:
return
}
if row.NodeKind != types.NodeRow {
// TODO: error
return nil
}
return
}
func (t SmiNode) GetRow() (row SmiNode) {
smiRow := t.getRow()
if smiRow == nil {
return
}
return CreateNode(smiRow)
}
func (t SmiNode) GetColumns() (columns map[string]SmiNode, columnOrder []string) {
row := t.getRow()
if row == nil {
return
}
columns = make(map[string]SmiNode)
columnOrder = make([]string, 0, 2)
for smiColumn := smi.GetFirstChildNode(row); smiColumn != nil; smiColumn = smi.GetNextChildNode(smiColumn) {
if smiColumn.NodeKind != types.NodeColumn {
// TODO: error
return
}
column := CreateNode(smiColumn)
columns[column.Name] = column
columnOrder = append(columnOrder, column.Name)
}
return
}
func (t SmiNode) GetImplied() bool {
row := t.getRow()
if row == nil {
return false
}
return row.Implied
}
func (t SmiNode) GetAugment() (row SmiNode) {
smiRow := t.getRow()
if smiRow == nil {
return
}
if smiRow.IndexKind != types.IndexAugment {
return
}
smiRow = smi.GetRelatedNode(smiRow)
if smiRow == nil {
return
}
if smiRow.NodeKind != types.NodeRow {
// TODO: error
return
}
return CreateNode(smiRow)
}
func (t SmiNode) GetIndex() (index []SmiNode) {
row := t.getRow()
if row == nil {
return
}
if row.IndexKind == types.IndexAugment {
row = smi.GetRelatedNode(row)
if row == nil {
return
}
if row.NodeKind != types.NodeRow {
// TODO: error
return
}
} else if row.IndexKind != types.IndexIndex {
// TODO: unsupported
return
}
for smiElement := smi.GetFirstElement(row); smiElement != nil; smiElement = smi.GetNextElement(smiElement) {
smiColumn := smi.GetElementNode(smiElement)
if smiColumn == nil {
// TODO: error
return
}
if smiColumn.NodeKind != types.NodeColumn {
// TODO: error
return
}
index = append(index, CreateNode(smiColumn))
}
return
}