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87 lines
2.2 KiB
Go
87 lines
2.2 KiB
Go
/*
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* Copyright 2024 CloudWeGo 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 main
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import (
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"context"
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"os"
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"github.com/cloudwego/eino-ext/components/document/parser/html"
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"github.com/cloudwego/eino-ext/components/document/parser/pdf"
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"github.com/cloudwego/eino/components/document/parser"
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"github.com/cloudwego/eino-examples/internal/gptr"
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"github.com/cloudwego/eino-examples/internal/logs"
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)
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func main() {
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ctx := context.Background()
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textParser := parser.TextParser{}
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htmlParser, err := html.NewParser(ctx, &html.Config{
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Selector: gptr.Of("body"),
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})
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if err != nil {
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logs.Errorf("html.NewParser failed, err=%v", err)
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return
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}
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pdfParser, err := pdf.NewPDFParser(ctx, &pdf.Config{})
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if err != nil {
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logs.Errorf("pdf.NewPDFParser failed, err=%v", err)
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return
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}
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// 创建扩展解析器
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extParser, err := parser.NewExtParser(ctx, &parser.ExtParserConfig{
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// 注册特定扩展名的解析器
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Parsers: map[string]parser.Parser{
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".html": htmlParser,
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".pdf": pdfParser,
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},
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// 设置默认解析器，用于处理未知格式
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FallbackParser: textParser,
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})
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if err != nil {
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return
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}
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// 使用解析器
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filePath := "./testdata/test.html"
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file, err := os.Open(filePath)
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if err != nil {
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logs.Errorf("os.Open failed, file=%v, err=%v", filePath, err)
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return
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}
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docs, err := extParser.Parse(ctx, file,
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// 必须提供 URI ExtParser 选择正确的解析器进行解析
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parser.WithURI(filePath),
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parser.WithExtraMeta(map[string]any{
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"source": "local",
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}),
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)
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if err != nil {
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logs.Errorf("extParser.Parse, err=%v", err)
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return
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}
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for idx, doc := range docs {
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logs.Infof("doc_%v content: %v", idx, doc.Content)
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}
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}
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