fish-shell/make_completions.py
axel 62d380a1ee Make first stab at a manual page parser. It takes the name of a command as input and outputs completions for it.
darcs-hash:20070125012728-ac50b-442dec7a0252f7cf817f442623161e33ce50c355.gz
2007-01-25 11:27:28 +10:00

89 lines
1.7 KiB
Python
Executable File

#!/usr/bin/env python
import sys
import commands
import re
def escape_quotes(s):
return re.sub('\'', '\\\'', s)
def escape(s):
return re.sub('([\'"#%*?])', r"\\\1", s)
def print_completion( cmd, switch_name, desc ):
offset=1
switch_type = "o"
if len(switch_name) == 2:
switch_type = "s"
if switch_name[1] == "-":
switch_type = "l"
offset=2
print "complete -c %s -%s %s --description '%s'" % (cmd, switch_type, escape( switch_name[offset:] ), escape_quotes(desc))
def clean_whitespace( str ):
clean_whitespace_prog0 = re.compile( r"-[ \t]*\n[ \t\r]+" )
clean_whitespace_prog1 = re.compile( r"[ \n\t]+" )
clean_whitespace_prog2 = re.compile( r"^[ \t\r]*", re.MULTILINE )
str = clean_whitespace_prog0.sub( "", str )
str = clean_whitespace_prog1.sub( " ", str )
str = clean_whitespace_prog2.sub( "", str )
return str
cmd = sys.argv[1]
man = commands.getoutput( "man %s | col -b" % cmd )
remainder = man
re1 = r"\n( *-[^ ,]* *(|\n))+[^.]+"
prog1 = re.compile(re1, re.MULTILINE)
re2 = r"^(|=[^ ]*)( |\n)*(?P<switch>-[^ =./\n]+)( *[^-\n ]*\n|)"
prog2 = re.compile(re2, re.MULTILINE)
while True:
match = prog1.search( remainder )
if match == None:
break
# print "yay match!!!\n"
str = match.string[match.start():match.end()]
# print str
rem2 = str
switch = []
while True:
match2 = prog2.search( rem2 )
if match2 == None:
break
sw = match2.expand( r"\g<switch>" )
# print "yay switch %s!!!\n" %sw
switch.append( sw )
rem2 = rem2[match2.end():]
desc = clean_whitespace(rem2)
if len( desc) > 8:
# print "Yay desc '%s'!!\n" % desc
for i in switch:
print_completion( cmd, i, desc )
remainder = remainder[match.end():]