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- // SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
- package json
- import (
- "bytes"
- "encoding/json"
- "fmt"
- "io"
- "github.com/spdx/tools-golang/convert"
- "github.com/spdx/tools-golang/spdx"
- "github.com/spdx/tools-golang/spdx/common"
- "github.com/spdx/tools-golang/spdx/v2/v2_1"
- "github.com/spdx/tools-golang/spdx/v2/v2_2"
- "github.com/spdx/tools-golang/spdx/v2/v2_3"
- )
- // Read takes an io.Reader and returns a fully-parsed current model SPDX Document
- // or an error if any error is encountered.
- func Read(content io.Reader) (*spdx.Document, error) {
- doc := spdx.Document{}
- err := ReadInto(content, &doc)
- return &doc, err
- }
- // ReadInto takes an io.Reader, reads in the SPDX document at the version provided
- // and converts to the doc version
- func ReadInto(content io.Reader, doc common.AnyDocument) error {
- if !convert.IsPtr(doc) {
- return fmt.Errorf("doc to read into must be a pointer")
- }
- buf := new(bytes.Buffer)
- _, err := buf.ReadFrom(content)
- if err != nil {
- return err
- }
- var data interface{}
- err = json.Unmarshal(buf.Bytes(), &data)
- if err != nil {
- return err
- }
- val, ok := data.(map[string]interface{})
- if !ok {
- return fmt.Errorf("not a valid SPDX JSON document")
- }
- version, ok := val["spdxVersion"]
- if !ok {
- return fmt.Errorf("JSON document does not contain spdxVersion field")
- }
- switch version {
- case v2_1.Version:
- var doc v2_1.Document
- err = json.Unmarshal(buf.Bytes(), &doc)
- if err != nil {
- return err
- }
- data = doc
- case v2_2.Version:
- var doc v2_2.Document
- err = json.Unmarshal(buf.Bytes(), &doc)
- if err != nil {
- return err
- }
- data = doc
- case v2_3.Version:
- var doc v2_3.Document
- err = json.Unmarshal(buf.Bytes(), &doc)
- if err != nil {
- return err
- }
- data = doc
- default:
- return fmt.Errorf("unsupported SDPX version: %s", version)
- }
- return convert.Document(data, doc)
- }
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