Merge sdf9 ➡️ sdf12

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ jobs:
     name: Ubuntu Bionic CI
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Compile and test
         id: ci
         uses: ignition-tooling/action-ignition-ci@bionic
@@ -17,7 +17,7 @@ jobs:
     name: Ubuntu Focal CI
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Compile and test
         id: ci
         uses: ignition-tooling/action-ignition-ci@focal

.github/workflows/macos.yml

@@ -9,7 +9,7 @@ jobs:
       PACKAGE: sdformat12
     runs-on: macos-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Homebrew
       id: set-up-homebrew
       uses: Homebrew/actions/setup-homebrew@master

tools/xmlschema.rb

@@ -265,23 +265,23 @@ def printXSD(_file, _spaces, _elem)
 if infile.nil?
   puts "Missing option -i."
   exit
-elsif !File.exists?(infile)
+elsif !File.exist?(infile)
   puts "Input file[#{infile}] does not exist\n"
   exit
 end
 
 if $path.nil?
   puts "Missing option -s."
   exit
-elsif !Dir.exists?($path)
+elsif !Dir.exist?($path)
   puts "SDF source dir[#{$path}] does not exist\n"
   exit
 end
 
 if outdir.nil?
   puts "Missing output directory, option -o."
   exit
-elsif !Dir.exists?(outdir)
+elsif !Dir.exist?(outdir)
   Dir.mkdir(outdir)
 end