1  #!/usr/bin/env python3
       2  
       3  "This tool is intended to be used from meson"
       4  
       5  import os, os.path, sys, subprocess, shutil
       6  
       7  ragel = sys.argv[1]
       8  if not ragel:
       9  	sys.exit ('You have to install ragel if you are going to develop HarfBuzz itself')
      10  
      11  if len (sys.argv) < 4:
      12  	sys.exit (__doc__)
      13  
      14  OUTPUT = sys.argv[2]
      15  CURRENT_SOURCE_DIR = sys.argv[3]
      16  INPUT = sys.argv[4]
      17  
      18  outdir = os.path.dirname (OUTPUT)
      19  shutil.copy (INPUT, outdir)
      20  rl = os.path.basename (INPUT)
      21  hh = rl.replace ('.rl', '.hh')
      22  subprocess.Popen (ragel.split() + ['-e', '-F1', '-o', hh, rl], cwd=outdir).wait ()
      23  
      24  # copy it also to src/
      25  shutil.copyfile (os.path.join (outdir, hh), os.path.join (CURRENT_SOURCE_DIR, hh))