chore: add tag value reader and parser for v2.3

Signed-off-by: Keith Zantow <kzantow@gmail.com>

1 files changed, 57 insertions, 0 deletions

diff --git a/tvloader/parser2v3/types.go b/tvloader/parser2v3/types.go
new file mode 100644
index 0000000..b6dc3ab
--- /dev/null
+++ b/tvloader/parser2v3/types.go
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+
+package parser2v3
+
+import (
+	"github.com/spdx/tools-golang/spdx/common"
+	"github.com/spdx/tools-golang/spdx/v2_3"
+)
+
+type tvParser2_3 struct {
+	// document into which data is being parsed
+	doc *v2_3.Document
+
+	// current parser state
+	st tvParserState2_3
+
+	// current SPDX item being filled in, if any
+	pkg       *v2_3.Package
+	pkgExtRef *v2_3.PackageExternalReference
+	file      *v2_3.File
+	fileAOP   *v2_3.ArtifactOfProject
+	snippet   *v2_3.Snippet
+	otherLic  *v2_3.OtherLicense
+	rln       *v2_3.Relationship
+	ann       *v2_3.Annotation
+	rev       *v2_3.Review
+	// don't need creation info pointer b/c only one,
+	// and we can get to it via doc.CreationInfo
+}
+
+// parser state (SPDX document version 2.3)
+type tvParserState2_3 int
+
+const (
+	// at beginning of document
+	psStart2_3 tvParserState2_3 = iota
+
+	// in document creation info section
+	psCreationInfo2_3
+
+	// in package data section
+	psPackage2_3
+
+	// in file data section (including "unpackaged" files)
+	psFile2_3
+
+	// in snippet data section (including "unpackaged" files)
+	psSnippet2_3
+
+	// in other license section
+	psOtherLicense2_3
+
+	// in review section
+	psReview2_3
+)
+
+const nullSpdxElementId2_3 = common.ElementID("")