1 files changed, 104 insertions, 0 deletions
diff --git a/scripts/MakeHeader.py.in b/scripts/MakeHeader.py.in
new file mode 100755
index 00000000..9da6685a
--- /dev/null
+++ b/scripts/MakeHeader.py.in
@@ -0,0 +1,104 @@
+#!/usr/bin/env @PYTHON@
+import os, sys, string, io
+try:
+   from StringIO import StringIO
+except ImportError:
+   StringIO = io.StringIO
+
+ANY=1
+COPY=2
+SKIP=3
+SKIPONE=4
+
+state = ANY
+static = 0
+
+file = io.open(sys.argv[1], "r", encoding="utf-8")
+name = sys.argv[1][:-2]
+
+out = StringIO()
+
+selfheader = '#include "' + name + '.h"'
+
+out.write( "/* Do not edit this file. It was automatically generated. */\n" )
+out.write( "\n" )
+
+out.write( "#ifndef HEADER_" + os.path.basename(name) + "\n")
+out.write( "#define HEADER_" + os.path.basename(name) + "\n")
+is_blank = False
+for line in file.readlines():
+   line = line[:-1]
+   if state == ANY:
+      if line == '/*{':
+         state = COPY
+      elif line == selfheader:
+         pass
+      elif line.find("#include") == 0:
+         pass
+      elif line.find("htop - ") == 0 and line[-2:] == ".c":
+         out.write(line[:-2] + ".h\n")
+      elif line.find("static ") != -1:
+         if line[-1] == "{":
+            state = SKIP
+            static = 1
+         else:
+            state = SKIPONE
+      elif len(line) > 1:
+         static = 0
+         equals = line.find(" = ")
+         if line[-3:] == "= {":
+            out.write( "extern " + line[:-4] + ";\n" )
+            state = SKIP
+         elif equals != -1:
+            out.write("extern " + line[:equals] + ";\n" )
+         elif line.startswith("typedef struct"):
+            state = SKIP
+         elif line[-1] == "{":
+            out.write("extern " + line[:-2].replace("inline ", "") + ";\n")
+            state = SKIP
+         elif line[-1] == ";":
+            out.write("extern " + line + "\n")
+         else:
+            out.write( line + "\n")
+         is_blank = False
+      elif line == "":
+         if not is_blank:
+            out.write( line + "\n")
+         is_blank = True
+      else:
+         out.write( line  + "\n")
+         is_blank = False
+   elif state == COPY:
+      is_blank = False
+      if line == "}*/":
+         state = ANY
+      else:
+         out.write( line + "\n")
+   elif state == SKIP:
+      is_blank = False
+      if len(line) >= 1 and line[0] == "}":
+         if static == 1:
+            state = SKIPONE
+         else:
+            state = ANY
+         static = 0
+   elif state == SKIPONE:
+      is_blank = False
+      state = ANY
+
+out.write( "\n" )
+out.write( "#endif\n" )
+
+# only write a new .h file if something changed.
+# This prevents a lot of recompilation during development
+out.seek(0)
+try:
+   with io.open(name + ".h", "r", encoding="utf-8") as orig:
+      origcontents = orig.readlines()
+except:
+   origcontents = ""
+if origcontents != out.readlines():
+   with io.open(name + ".h", "w", encoding="utf-8") as new:
+      print("Writing "+name+".h")
+      new.write(out.getvalue())
+out.close()