Add "help" command. (Building help/help.h requires python, but I'll ship

that file with release versions.)

1 files changed, 54 insertions, 0 deletions

diff --git a/scripts/config2help.py b/scripts/config2help.py
new file mode 100755
index 00000000..2573d08a
--- /dev/null
+++ b/scripts/config2help.py
@@ -0,0 +1,54 @@
+#!/usr/bin/python
+
+import os,sys
+
+def zapquotes(str):
+  if str[0]=='"': str = str[1:str.rfind('"')]
+  return str
+
+def escapequotes(str):
+  return str.strip().replace("\\","\\\\").replace('"','\\"')
+
+helplen = morelines = 0
+out = sys.stdout
+
+def readfile(filename):
+  global helplen, morelines
+  #sys.stderr.write("Reading %s\n" % filename)
+  try:
+    lines = open(filename).read().split("\n")
+  except IOError:
+    sys.stderr.write("File %s missing\n" % filename)
+    return
+  config = None
+  description = None
+  for i in lines:
+    if helplen:
+      i = i.expandtabs()
+      if not len(i) or i[:helplen].isspace():
+        if morelines: out.write('\\n')
+        morelines = 1
+        out.write(escapequotes(i))
+        continue
+      else:
+        helplen = morelines = 0
+        out.write('"\n')
+
+    words = i.strip().split(None,1)
+    if not len(words): continue
+
+    if words[0] in ("config", "menuconfig"):
+      config = words[1]
+      description = ""
+    elif words[0] in ("bool", "boolean", "tristate", "string", "hex", "int"):
+       if len(words)>1: description = zapquotes(words[1])
+    elif words[0]=="prompt":
+      description = htmlescape(zapquotes(words[1]))
+    elif words[0] in ("help", "---help---"):
+      out.write('#define help_%s "' % config.lower())
+      helplen = len(i[:i.find(words[0])].expandtabs())
+    elif words[0] == "source": readfile(zapquotes(words[1]))
+    elif words[0] in ("default","depends", "select", "if", "endif", "#", "comment", "menu", "endmenu"): pass
+
+readfile(sys.argv[1])
+if helplen: out.write('"\n')