1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
// Package parser2v1 contains functions to read, load and parse
// SPDX tag-value files.
// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
package parser2v1
import (
"fmt"
"github.com/spdx/tools-golang/spdx/common"
"github.com/spdx/tools-golang/spdx/v2_1"
"github.com/spdx/tools-golang/tvloader/reader"
)
// ParseTagValues takes a list of (tag, value) pairs, parses it and returns
// a pointer to a parsed SPDX Document.
func ParseTagValues(tvs []reader.TagValuePair) (*v2_1.Document, error) {
parser := tvParser2_1{}
for _, tv := range tvs {
err := parser.parsePair2_1(tv.Tag, tv.Value)
if err != nil {
return nil, err
}
}
if parser.file != nil && parser.file.FileSPDXIdentifier == nullSpdxElementId2_1 {
return nil, fmt.Errorf("file with FileName %s does not have SPDX identifier", parser.file.FileName)
}
if parser.pkg != nil && parser.pkg.PackageSPDXIdentifier == nullSpdxElementId2_1 {
return nil, fmt.Errorf("package with PackageName %s does not have SPDX identifier", parser.pkg.PackageName)
}
return parser.doc, nil
}
func (parser *tvParser2_1) parsePair2_1(tag string, value string) error {
switch parser.st {
case psStart2_1:
return parser.parsePairFromStart2_1(tag, value)
case psCreationInfo2_1:
return parser.parsePairFromCreationInfo2_1(tag, value)
case psPackage2_1:
return parser.parsePairFromPackage2_1(tag, value)
case psFile2_1:
return parser.parsePairFromFile2_1(tag, value)
case psSnippet2_1:
return parser.parsePairFromSnippet2_1(tag, value)
case psOtherLicense2_1:
return parser.parsePairFromOtherLicense2_1(tag, value)
case psReview2_1:
return parser.parsePairFromReview2_1(tag, value)
default:
return fmt.Errorf("parser state %v not recognized when parsing (%s, %s)", parser.st, tag, value)
}
}
func (parser *tvParser2_1) parsePairFromStart2_1(tag string, value string) error {
// fail if not in Start parser state
if parser.st != psStart2_1 {
return fmt.Errorf("got invalid state %v in parsePairFromStart2_1", parser.st)
}
// create an SPDX Document data struct if we don't have one already
if parser.doc == nil {
parser.doc = &v2_1.Document{
ExternalDocumentReferences: []v2_1.ExternalDocumentRef{},
}
}
switch tag {
case "SPDXVersion":
parser.doc.SPDXVersion = value
case "DataLicense":
parser.doc.DataLicense = value
case "SPDXID":
eID, err := extractElementID(value)
if err != nil {
return err
}
parser.doc.SPDXIdentifier = eID
case "DocumentName":
parser.doc.DocumentName = value
case "DocumentNamespace":
parser.doc.DocumentNamespace = value
case "ExternalDocumentRef":
documentRefID, uri, alg, checksum, err := extractExternalDocumentReference(value)
if err != nil {
return err
}
edr := v2_1.ExternalDocumentRef{
DocumentRefID: documentRefID,
URI: uri,
Checksum: common.Checksum{Algorithm: common.ChecksumAlgorithm(alg), Value: checksum},
}
parser.doc.ExternalDocumentReferences = append(parser.doc.ExternalDocumentReferences, edr)
case "DocumentComment":
parser.doc.DocumentComment = value
default:
// move to Creation Info parser state
parser.st = psCreationInfo2_1
return parser.parsePairFromCreationInfo2_1(tag, value)
}
return nil
}
|
