79 lines
1.9 KiB
Go
79 lines
1.9 KiB
Go
/*
|
|
* Copyright 2025 coze-dev Authors
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package builtin
|
|
|
|
import (
|
|
"context"
|
|
"io"
|
|
|
|
"github.com/cloudwego/eino/components/document/parser"
|
|
"github.com/cloudwego/eino/schema"
|
|
"github.com/xuri/excelize/v2"
|
|
|
|
contract "github.com/coze-dev/coze-studio/backend/infra/contract/document/parser"
|
|
)
|
|
|
|
func parseXLSX(config *contract.Config) parseFn {
|
|
return func(ctx context.Context, reader io.Reader, opts ...parser.Option) (docs []*schema.Document, err error) {
|
|
f, err := excelize.OpenReader(reader)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
sheetID := 0
|
|
if config.ParsingStrategy.SheetID != nil {
|
|
sheetID = *config.ParsingStrategy.SheetID
|
|
}
|
|
|
|
rows, err := f.Rows(f.GetSheetName(sheetID))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
iter := &xlsxIterator{rows, 0}
|
|
|
|
return parseByRowIterator(iter, config, opts...)
|
|
}
|
|
}
|
|
|
|
type xlsxIterator struct {
|
|
rows *excelize.Rows
|
|
firstRowSize int
|
|
}
|
|
|
|
func (x *xlsxIterator) NextRow() (row []string, end bool, err error) {
|
|
end = !x.rows.Next()
|
|
if end {
|
|
return nil, end, nil
|
|
}
|
|
|
|
row, err = x.rows.Columns()
|
|
if err != nil {
|
|
return nil, false, err
|
|
}
|
|
|
|
if x.firstRowSize == 0 {
|
|
x.firstRowSize = len(row)
|
|
} else if x.firstRowSize > len(row) {
|
|
row = append(row, make([]string, x.firstRowSize-len(row))...)
|
|
} else if x.firstRowSize < len(row) {
|
|
row = row[:x.firstRowSize]
|
|
}
|
|
|
|
return row, false, nil
|
|
}
|