initial commit

cmd/internal/depgraph/dependencygraph.go

@@ -0,0 +1,58 @@
+/*
+Copyright © 2025 filifa
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+package depgraph
+
+import (
+	"hash/crc32"
+
+	"gonum.org/v1/gonum/graph"
+	"gonum.org/v1/gonum/graph/simple"
+)
+
+type DependencyGraph struct {
+	*simple.DirectedGraph
+}
+
+func NewDependencyGraph() *DependencyGraph {
+	return &DependencyGraph{DirectedGraph: simple.NewDirectedGraph()}
+}
+
+func (g *DependencyGraph) NewNode() graph.Node {
+	return &Sourcefile{Node: g.DirectedGraph.NewNode()}
+}
+
+type Sourcefile struct {
+	graph.Node
+	name string
+}
+
+func (s *Sourcefile) String() string {
+	return s.name
+}
+
+func NewSourcefile(name string) *Sourcefile {
+	hash := crc32.ChecksumIEEE([]byte(name))
+	return &Sourcefile{Node: simple.Node(hash), name: name}
+}
+
+func (s *Sourcefile) DOTID() string {
+	return s.name
+}
+
+func (s *Sourcefile) SetDOTID(id string) {
+	s.name = id
+}