aboutsummaryrefslogtreecommitdiff
path: root/examples/11-yamltotv
diff options
context:
space:
mode:
Diffstat (limited to 'examples/11-yamltotv')
-rw-r--r--examples/11-yamltotv/exampleyamltotv.go73
1 files changed, 73 insertions, 0 deletions
diff --git a/examples/11-yamltotv/exampleyamltotv.go b/examples/11-yamltotv/exampleyamltotv.go
new file mode 100644
index 0000000..006d6d9
--- /dev/null
+++ b/examples/11-yamltotv/exampleyamltotv.go
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+
+// Example for: *spdx_yaml*
+
+// This example demonstrates loading an SPDX tag-value file from disk into memory,
+// and re-saving it to a different file on disk.
+// Run project: go run exampleyamltotv.go ../sample-docs/yaml/SPDXYAMLExample-2.2.spdx.yaml test.spdx
+
+package main
+
+import (
+ "fmt"
+ "github.com/spdx/tools-golang/yaml"
+ "os"
+)
+
+func main() {
+
+ // check that we've received the right number of arguments
+ args := os.Args
+ if len(args) != 3 {
+ fmt.Printf("Usage: %v <yaml-file-in> <spdx-file-out>\n", args[0])
+ fmt.Printf(" Load SPDX 2.2 tag-value file <yaml-file-in>, and\n")
+ fmt.Printf(" save it out to <spdx-file-out>.\n")
+ return
+ }
+
+ // open the SPDX file
+ fileIn := args[1]
+ r, err := os.Open(fileIn)
+ if err != nil {
+ fmt.Printf("Error while opening %v for reading: %v", fileIn, err)
+ return
+ }
+ defer r.Close()
+
+ // try to load the SPDX file's contents as a yaml file, version 2.2
+ doc, err := spdx_yaml.Load2_2(r)
+ if err != nil {
+ fmt.Printf("Error while parsing %v: %v", fileIn, err)
+ return
+ }
+
+ // if we got here, the file is now loaded into memory.
+ fmt.Printf("Successfully loaded %s\n", fileIn)
+
+ // we can now save it back to disk, using spdx_yaml, but tvsaver work also.
+
+ // create a new file for writing
+ fileOut := args[2]
+ w, err := os.Create(fileOut)
+ if err != nil {
+ fmt.Printf("Error while opening %v for writing: %v", fileOut, err)
+ return
+ }
+ defer w.Close()
+
+ // try to save the document to disk as an SPDX tag-value file, version 2.2
+ err = spdx_yaml.Save2_2(doc, w)
+ if err != nil {
+ fmt.Printf("Error while saving %v: %v", fileOut, err)
+ return
+ }
+
+ //err = tvsaver.Save2_2(doc, w)
+ //if err != nil {
+ // fmt.Printf("Error while saving %v: %v", fileOut, err)
+ // return
+ //}
+
+ // it worked
+ fmt.Printf("Successfully saved %s\n", fileOut)
+}