54 lines
1.4 KiB
Go
54 lines
1.4 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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"encoding/csv"
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"errors"
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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/dimchansky/utfbom"
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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 ParseCSV(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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iter := &csvIterator{csv.NewReader(utfbom.SkipOnly(reader))}
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return parseByRowIterator(iter, config, opts...)
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}
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}
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type csvIterator struct {
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reader *csv.Reader
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}
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func (c *csvIterator) NextRow() (row []string, end bool, err error) {
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row, e := c.reader.Read()
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if e != nil {
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if errors.Is(e, io.EOF) {
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return nil, true, nil
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}
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return nil, false, err
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}
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return row, false, nil
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}
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