diff options
Diffstat (limited to 'rdfloader/parser2v2/parse_package.go')
| -rw-r--r-- | rdfloader/parser2v2/parse_package.go | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/rdfloader/parser2v2/parse_package.go b/rdfloader/parser2v2/parse_package.go index 5be9631..dde6e70 100644 --- a/rdfloader/parser2v2/parse_package.go +++ b/rdfloader/parser2v2/parse_package.go @@ -12,6 +12,26 @@ import ( func (parser *rdfParser2_2) getPackageFromNode(packageNode *gordfParser.Node) (pkg *spdx.Package2_2, err error) { pkg = &spdx.Package2_2{} // new package which will be returned + currState := parser.cache[packageNode.ID] + if currState == nil { + // there is no entry about the state of current package node. + // this is the first time we're seeing this node. + parser.cache[packageNode.ID] = &nodeState{ + object: pkg, + Color: WHITE, + } + } else if currState.Color == GREY { + // we have already started parsing this package node and we needn't parse it again. + return currState.object.(*spdx.Package2_2), nil + } + + // setting color of the state to grey to indicate that we've started to + // parse this node once. + parser.cache[packageNode.ID].Color = GREY + + // setting state color to black to indicate when we're done parsing this node. + defer func(){parser.cache[packageNode.ID].Color = BLACK}(); + // setting the SPDXIdentifier for the package. eId, err := ExtractElementID(getLastPartOfURI(packageNode.ID)) if err != nil { |