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