coze-studio/backend/infra/impl/document/parser/ppstructure/manager.go

92 lines
3.4 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 ppstructure
import (
"fmt"
"github.com/coze-dev/coze-studio/backend/infra/contract/chatmodel"
"github.com/coze-dev/coze-studio/backend/infra/contract/document/ocr"
"github.com/coze-dev/coze-studio/backend/infra/contract/document/parser"
"github.com/coze-dev/coze-studio/backend/infra/contract/storage"
"github.com/coze-dev/coze-studio/backend/infra/impl/document/parser/builtin"
"github.com/coze-dev/coze-studio/backend/pkg/goutil"
)
func NewManager(apiConfig *APIConfig, ocr ocr.OCR, storage storage.Storage, imageAnnotationModel chatmodel.BaseChatModel) parser.Manager {
return &manager{
apiConfig: apiConfig,
ocr: ocr,
storage: storage,
imageAnnotationModel: imageAnnotationModel,
}
}
type manager struct {
apiConfig *APIConfig
ocr ocr.OCR
storage storage.Storage
imageAnnotationModel chatmodel.BaseChatModel
}
func (m *manager) GetParser(config *parser.Config) (parser.Parser, error) {
if config.ParsingStrategy.HeaderLine == 0 && config.ParsingStrategy.DataStartLine == 0 {
config.ParsingStrategy.DataStartLine = 1
} else if config.ParsingStrategy.HeaderLine >= config.ParsingStrategy.DataStartLine {
return nil, fmt.Errorf("[GetParser] invalid header line and data start line, header=%d, data_start=%d",
config.ParsingStrategy.HeaderLine, config.ParsingStrategy.DataStartLine)
}
var pFn builtin.ParseFn
switch config.FileExtension {
case parser.FileExtensionPDF:
fileType := 0
return &ppstructureParser{config, m.apiConfig, fileType, m.ocr, m.storage}, nil
case parser.FileExtensionTXT:
pFn = builtin.ParseText(config)
return &builtin.Parser{ParseFn: pFn}, nil
case parser.FileExtensionMarkdown:
pFn = builtin.ParseMarkdown(config, m.storage, m.ocr)
return &builtin.Parser{ParseFn: pFn}, nil
case parser.FileExtensionDocx:
pFn = builtin.ParseByPython(config, m.storage, m.ocr, goutil.GetPython3Path(), goutil.GetPythonFilePath("parse_docx.py"))
return &builtin.Parser{ParseFn: pFn}, nil
case parser.FileExtensionCSV:
pFn = builtin.ParseCSV(config)
return &builtin.Parser{ParseFn: pFn}, nil
case parser.FileExtensionXLSX:
pFn = builtin.ParseXLSX(config)
return &builtin.Parser{ParseFn: pFn}, nil
case parser.FileExtensionJSON:
pFn = builtin.ParseJSON(config)
return &builtin.Parser{ParseFn: pFn}, nil
case parser.FileExtensionJsonMaps:
pFn = builtin.ParseJSONMaps(config)
return &builtin.Parser{ParseFn: pFn}, nil
case parser.FileExtensionJPG, parser.FileExtensionJPEG, parser.FileExtensionPNG:
pFn = builtin.ParseImage(config, m.imageAnnotationModel)
return &builtin.Parser{ParseFn: pFn}, nil
default:
return nil, fmt.Errorf("[Parse] document type not support, type=%s", config.FileExtension)
}
}
func (m *manager) IsAutoAnnotationSupported() bool {
return m.imageAnnotationModel != nil
}