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yoda
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yoda
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#!/usr/bin/env python
#
# Yoda -- Yet Options Descriptor Another.
#
# An utility to generate command-line related things like options C parser,
# help text, man page bash completion, etc.
#
# * This program is licensed under the GNU General Public License v2 (you can
# find its text in the COPYING file). This program is distributed in the hope
# that it will be useful, but without any warranty; without even the implied
# warranty of merchantability OR fitness for a particular purpose. See the GNU
# General Public License for more details.
#
# * Any file generated by this program (parser, help text, man page, anything
# else) is licenses under any license, the person who runs this program, wants.
#
# (C) Copyright Pavel Emelyanov <xemul@sacred.ru>, 2013
#
import sys
import os
import argparse
yoda_version = "0.1"
yoda_url = "https://github.com/xemul/yoda/"
opt_option = 1
opt_argument = 2
typ_boolean = 1
typ_integer = 2
typ_string = 3
typ_path = 4
generators = [ "cparser", "bashcomp", "manopts" ]
class yoption:
def __init__(self, otype):
self.choice = []
self.schoice = []
self.otype = otype
self.pile = def_pile
self.imply = []
pass
class ychoice:
pass
class ygroup:
def __init__(self, name):
self.yopts = []
self.parent = None
self.name = name
pass
yopt_groups = {}
yopt_groups["generic"] = ygroup("generic")
#
# Our own command line
arg_parser = argparse.ArgumentParser()
arg_parser.add_argument("-f", "--file", required=True, help="yoda file to parse", type=str)
arg_parser.add_argument("-n", "--name", required=False, help="project name", type=str)
arg_parser.add_argument("-g", "--generate", required=False, help="what to generate (%s)" % ", ".join(generators), type=str)
arg_parser.add_argument("-o", "--output", required=False, help="output file(s), separated with :", type=str)
arg_opts = arg_parser.parse_args()
if arg_opts.file == None:
arg_parser.print_help()
sys.exit(1)
ytmpl_dir = os.path.dirname(sys.argv[0])
if arg_opts.name == None:
yname = ""
else:
yname = arg_opts.name;
# Read yoda file in
yfile = open(arg_opts.file)
yopts = []
yopt_name_len_max = 0
std_shorts = set(["v", "V", "h"])
short_help = None
short_version = None
def_for = None
def_req_for = None
def_pile = False
def_hgroup = None
auto_alias_dashed = False
def yopt_find_l(s, yopts):
if not s:
return None
res = filter(lambda x: x.lname == s, yopts)
if len(res):
return res[0]
else:
return None
def yopt_find_s(s, yopts):
res = filter(lambda x: getattr(x, "sname", None) == s, yopts)
if len(res):
return res[0]
else:
return None
def next_rover(rover):
rover += 1
while chr(rover).isalnum() or (chr(rover) == '?'):
rover += 1
return rover
def make_dash_alias(name):
if "-" in name:
return name.replace("-", "_")
elif "_" in name:
return name.replace("_", "-")
else:
return None
sopt_rover = next_rover(1)
lcollect = ""
for l in yfile:
l = l.strip()
if (l.startswith("#")):
continue
if (l.endswith("\\")):
lcollect += " " + l.rstrip("\\")
continue
if lcollect:
l = lcollect + " " + l
lcollect = ""
ls = l.split(None, 1)
if (not ls):
continue
if (ls[0] == "option"):
yopt = yoption(opt_option)
ln = ls[1].split("/")
yopt.lname = ln.pop(0)
if len(ln):
yopt.sname = ln.pop(0)
if yopt.sname and (yopt.sname in std_shorts):
std_shorts.remove(yopt.sname)
if len(ln):
yopt.laliases = ln
if auto_alias_dashed:
als = []
al = make_dash_alias(yopt.lname)
if al:
als.append(al)
if getattr(yopt, "laliases", None):
for al in yopt.laliases:
als.append(al)
al = make_dash_alias(al)
if al:
als.append(al)
if len(als):
yopt.laliases = als
if not getattr(yopt, "sname", None):
yopt.sname_nr = sopt_rover
sopt_rover = next_rover(sopt_rover)
if def_for:
yopt.optional_for = def_for
if def_req_for:
yopt.required_for = def_req_for
if def_hgroup:
yopt.hgroup = def_hgroup
yopts.append(yopt)
if (yopt_name_len_max < len(yopt.lname)):
yopt_name_len_max = len(yopt.lname)
elif (ls[0] == "arg"):
yopt = yoption(opt_argument)
yopt.lname = ls[1]
yopts.append(yopt)
if (yopt_name_len_max < len(yopt.lname)):
yopt_name_len_max = len(yopt.lname)
elif (ls[0] == "int"):
yopt.atype = typ_integer
if len(ls) == 2:
yopt.summary = ls[1]
elif (ls[0] == "bool"):
yopt.atype = typ_boolean
if len(ls) == 2:
yopt.summary = ls[1]
elif (ls[0] == "string"):
yopt.atype = typ_string
if len(ls) == 2:
yopt.summary = ls[1]
elif (ls[0] == "path"):
yopt.atype = typ_path
if len(ls) == 2:
yopt.summary = ls[1]
elif (ls[0] == "choice"):
cs = ls[1].split(None, 1)
yc = ychoice()
css = cs[0].split("/")
yc.val = css.pop(0)
if yc.val.startswith("!"):
yc.val = yc.val.lstrip("!")
yc.schoice = True
if len(css):
yc.aliases = css
if len(cs) > 1:
yc.summary = cs[1]
else:
yc.summary = ""
yopt.choice.append(yc)
elif (ls[0] == "default"):
yopt.defval = ls[1]
elif (ls[0] == "req_for"):
yopt.required_for = ls[1]
elif (ls[0] == "for"):
yopt.optional_for = ls[1]
elif (ls[0] == "hgroup"):
yopt.hgroup = ls[1]
elif (ls[0] == "clash"):
yopt.conflicts = ls[1]
elif (ls[0] == "imply"):
if yopt.otype != opt_option:
print "Implications for argument %s not allowed" % yopt.lname
sys.exit(1)
yopt.imply.append(ls[1])
elif (ls[0] == "optarg"):
yopt.optarg = ls[1]
elif (ls[0] == "pile"):
yopt.pile = True
elif (ls[0] == "help"):
yopt.helptext = ls[1]
elif (ls[0] == "set"):
ls = ls[1].split(None, 1)
if ls[0] == "for":
def_for = ls[1]
elif ls[0] == "req_for":
def_req_for = ls[1]
elif ls[0] == "hgroup":
def_hgroup = ls[1]
elif ls[0] == "pile":
def_pile = True
elif ls[0] == "auto_dash_alias":
assert(len(yopts) == 0)
auto_alias_dashed = True
elif ls[0] == "short_help":
assert(len(yopts) == 0)
short_help = ls[1]
elif ls[0] == "short_version":
assert(len(yopts) == 0)
short_version = ls[1]
else:
print "Unknown set", ls[0]
elif (ls[0] == "unset"):
if ls[1] == "for":
def_for = None
elif ls[1] == "req_for":
def_req_for = None
elif ls[1] == "hgroup":
def_hgroup = None
elif ls[1] == "pile":
def_pile = False
else:
print "Unknown unset", ls[0]
else:
print "Unknown keyword", ls[0]
sys.exit(1)
yfile.close()
# Add standart help option
yopt = yoption(opt_option)
yopt.lname = "help"
yopt.atype = typ_boolean
yopt.summary = "show help text"
if short_help:
yopt.sname = short_help
elif "h" in std_shorts:
yopt.sname = "h"
else:
yopt.sname_nr = sopt_rover
sopt_rover = next_rover(sopt_rover)
yopts.append(yopt)
# Add version option
yopt = yoption(opt_option)
yopt.lname = "version"
yopt.atype = typ_boolean
yopt.summary = "show version"
yopt.genonly = True
if short_version:
yopt.sname = short_version
elif "v" in std_shorts:
yopt.sname = "v"
elif "V" in std_shorts:
yopt.sname = "V"
else:
yopt.sname_nr = sopt_rover
sopt_rover = next_rover(sopt_rover)
yopts.append(yopt)
def opt_deprecated(yopt):
return not getattr(yopt, "summary", None)
# Classify options
# each option may get into one or more "group", each
# group will have its own options-table that will be
# switched by the parser
active_classifier = None
for yopt in yopts:
if yopt.otype != opt_option:
continue
if opt_deprecated(yopt):
continue
exps = []
ygrps = []
if getattr(yopt, "required_for", None):
exps.extend(yopt.required_for.split("|"))
if getattr(yopt, "optional_for", None):
exps.extend(yopt.optional_for.split("|"))
if not exps:
ygrps = [ yopt_groups["generic"] ]
else:
for exp in exps:
exp_str = "%s" % exp.strip()
eps = exp_str.partition("=")
ep = eps[0].strip()
y = yopt_find_l(ep, yopts)
if not y:
print "No option for expression with %s" % ep
sys.exit(1)
if y.otype == opt_option:
# option depening on other option
# should be added to that other's
# groups
if not getattr(y, "in_groups", None):
print "Target option unclassified, reshuffle options"
sys.exit(1)
ygrps.extend(y.in_groups)
else:
if not active_classifier:
active_classifier = y
elif y != active_classifier:
print "More than one active classifier."
sys.exit(1)
if not yopt_groups.has_key(exp_str):
yopt_groups[exp_str] = ygroup(eps[2].strip().replace("-", "_"))
ygrps.append(yopt_groups[exp_str])
if not ygrps:
ygrps = [ yopt_groups["generic"] ]
yopt.in_groups = []
ygrps = list(set(ygrps)) # remove duplicates
for ygrp in ygrps:
if getattr(yopt, "lname", None):
y = yopt_find_l(yopt.lname, ygrp.yopts)
if y:
print "Duplicate option long name %s" % yopt.lname
sys.exit(1)
if getattr(yopt, "sname", None):
y = yopt_find_s(yopt.sname, ygrp.yopts)
if y:
print "Duplicate option short name %s" % yopt.sname
ygrp.yopts.append(yopt)
yopt.in_groups.append(ygrp)
# Name of yopts struct member
def opt_cname(yopt):
if yopt.lname:
return yopt.lname.replace("-", "_")
else:
return "opt_" + yopt.sname
# Name of option when printed on a screen
def opt_pname(yopt):
if yopt.otype == opt_option:
if yopt.lname:
return "--%s" % yopt.lname
else:
return "-%s" % yopt.sname
else:
if yopt.lname:
return yopt.lname
else:
return yopt.sname
# Name of variable (with struct name)
def opt_sname(yopt):
return "%syopts.%s" % (yname, opt_cname(yopt))
# Basic validity checks
for yopt in yopts:
if not getattr(yopt, "atype", None):
print "Option %s without type" % opt_pname(yopt)
sys.exit(1)
if len(yopt.choice):
if yopt.atype in (typ_boolean, typ_path):
print "Can't have choices for bool/path option %s" % opt_pname(yopt)
sys.exit(1)
if yopt.atype == typ_boolean:
if getattr(yopt, "defval", None):
print "Boolean option %s can't have default" % opt_pname(yopt)
sys.exit(1)
if getattr(yopt, "optarg", None):
print "Boolean option %s can't have optarg" % opt_pname(yopt)
sys.exit(1)
if not arg_opts.generate:
print "Nothing to generate"
sys.exit(0)
if not arg_opts.generate in generators:
print "Can't generate %s, but can one of: %s" % \
(arg_opts.generate, ", ".join(generators))
sys.exit(0)
def c_indent(istr, code):
return istr + istr.join(code.splitlines(True))
def yopt_argname(yopt):
if yopt.atype == typ_boolean:
return ""
opt_astrs = {
typ_integer: "NUM",
typ_string: "STR",
typ_path: "PATH",
}
# Remove all but UPPERCASE letters
s = filter(lambda x: x.isupper(), yopt.summary)
if getattr(yopt, "optarg", None):
s = "[%s]" % s
return len(s) and s or opt_astrs[yopt.atype]
def yoda_put_header(ystr):
ystr = ystr.replace("${VERSION}", yoda_version)
ystr = ystr.replace("${INPUTFILE}", os.path.basename(arg_opts.file))
ystr = ystr.replace("${PROJECT_URL}", yoda_url)
return ystr
def generate_cparser():
##
#
# Generate sources
#
##
if arg_opts.output:
c_files = arg_opts.output.split(":")
else:
c_files = [ "%syopts.h" % yname, "%syopts.c" % yname ]
ctypes = {
typ_boolean: "bool",
typ_integer: "int",
typ_string: "char *",
typ_path: "char *",
}
#
# Generate the .h file
#
yinfile = open(os.path.join(ytmpl_dir, "yopts.h.in"))
yincode = yinfile.read()
yincode = yincode.replace("${PROJ}", yname)
yincode = yoda_put_header(yincode)
# Generate the yopts structure
yopt_str = ""
def opt_vdecl(vtyp, vname, ptr = False):
return "%s%s %s;\n\t" % (ctypes[vtyp], ptr and "*" or "", vname)
for yopt in yopts:
if yopt.pile:
yopt_str += opt_vdecl(typ_integer, opt_cname(yopt) + "_nr")
# For non ints with choice generate numerical constants
# for faster comparisons in the code
if len(yopt.choice) and (yopt.atype != typ_integer):
yopt_str += opt_vdecl(typ_integer, opt_cname(yopt) + "_code")
yopt_str += opt_vdecl(yopt.atype, opt_cname(yopt), yopt.pile)
yincode = yincode.replace("${STRUCTURE}", yopt_str)
# Generate constants for choice-d options and arguments
yopt_str = ""
for yopt in yopts:
if yopt.atype != typ_string:
continue
if not len(yopt.choice):
continue
for ch in yopt.choice:
ch.ccode = "YOPT_%s_%s" % (opt_cname(yopt).upper(), ch.val.upper().replace("-", "_"))
vals = map(lambda x: "\t%s,\n" % x.ccode, yopt.choice)
vals.insert(0, "\tYOPT_%s_DFLT = 0,\n" % opt_cname(yopt).upper())
yopt_str += "enum {\n"
yopt_str += "".join(vals)
yopt_str += "};\n\n"
yincode = yincode.replace("${CHOICES}", yopt_str)
# Commit the code into .h file
youtfile = open(c_files[0], "w")
youtfile.write(yincode)
yinfile.close()
youtfile.close()
#
# Generate the .c file
#
# Get the template in
yinfile = open(os.path.join(ytmpl_dir, "yopts.c.in"))
yincode = yinfile.read()
yincode = yincode.replace("${PROJ}", yname)
yincode = yoda_put_header(yincode)
yincode = yincode.replace("${HEADERFILE}", os.path.basename(c_files[0]))
yinsfile = open(os.path.join(ytmpl_dir, "yopt_set.c.in"))
yinscode = yinsfile.read()
yinscode = yinscode.replace("${PROJ}", yname)
def cstrval(s):
return "\"%s\"" % s.strip("\"")
# Generate default values
yopt_str = ""
for yopt in yopts:
if not getattr(yopt, "defval", None):
continue
if yopt_str:
yopt_str += "\t"
if yopt.atype in (typ_string, typ_path):
yassig = cstrval(yopt.defval)
elif yopt.atype == typ_integer:
yassig = "%s" % yopt.defval
yopt_str += ".%s = %s,\n" % (opt_cname(yopt), yassig)
yincode = yincode.replace("${DEFAULTS}", yopt_str)
#
# Generate option sets
#
def gen_opt_set(name, yopts, ng_yopts):
yscode = yinscode.replace("${YSET}", name)
# Generate and put short options array
yopt_str = ""
for yopt in yopts:
if not getattr(yopt, "sname", None):
continue
if ng_yopts and getattr(yopt, "genonly", None):
continue
yopt_str += yopt.sname
if yopt.atype != typ_boolean:
if getattr(yopt, "optarg", None):
yopt_str += "::"
else:
yopt_str += ":"
yscode = yscode.replace("${SOPTS}", yopt_str)
# Generate and put long options array
def opt_cassign(yopt):
if getattr(yopt, "sname", None):
return "'%s'" % yopt.sname
else:
return "%d" % yopt.sname_nr
yopt_str = ""
for yopt in yopts:
if yopt.otype != opt_option:
continue
if not getattr(yopt, "lname", None):
continue
if ng_yopts and getattr(yopt, "genonly", None):
continue
if yopt.atype == typ_boolean:
yopt_rarg = "no_argument"
elif getattr(yopt, "optarg", None):
yopt_rarg = "optional_argument"
else:
yopt_rarg = "required_argument"
yopt_sopt = opt_cassign(yopt)
lnames = getattr(yopt, "laliases", [])
lnames.insert(0, yopt.lname)
for lname in lnames:
if yopt_str:
yopt_str += "\n\t"
yopt_str += "{\"%s\", %s, 0, %s}," % (lname, yopt_rarg, yopt_sopt)
yscode = yscode.replace("${LOPTS}", yopt_str)
# Generate options assignment
def optarg_assign(yopt):
if yopt.atype in (typ_string, typ_path):
return cstrval(yopt.optarg)
elif yopt.optarg.startswith("+"):
return "%s %s" % (opt_sname(yopt), yopt.optarg)
else:
return yopt.optarg
def opt_assign_code(yopt, value):
yopt_str = ""
yopt_vassign = opt_sname(yopt)
if yopt.pile:
yopt_vassign = "%s[%s_nr++]" % (opt_sname(yopt), opt_sname(yopt))
if yopt.atype == typ_boolean:
yopt_assign = "true"
elif yopt.atype in (typ_string, typ_path):
yopt_assign = value
elif yopt.atype == typ_integer:
yopt_assign = "yopt_parse_int(%s)" % value
if (value != "optarg") and getattr(yopt, "optarg", None):
yopt_assign = "(optarg ? %s : %s)" % (yopt_assign, optarg_assign(yopt))
yopt_str += "\t\tdprint(\"%s assigned to %%s\\n\", %s);\n" % (opt_sname(yopt), value)
if yopt.pile:
yopt_str += "\t\t%s = yopt_realloc_mem(%s, (%s_nr + 1) * sizeof(%s));\n" % \
(opt_sname(yopt), opt_sname(yopt), opt_sname(yopt), ctypes[yopt.atype])
yopt_str += "\t\tif (%s)\n\t" % opt_sname(yopt)
yopt_str += "\t\t%s = %s;\n" % (yopt_vassign, yopt_assign)
return yopt_str
if not ng_yopts:
yscode = yscode.replace("${GENERIC}", "true")
ng_yopts = yopts
else:
yscode = yscode.replace("${GENERIC}", "false")
yopt_str = ""
for yopt in ng_yopts:
if yopt.otype != opt_option:
continue
if yopt_str:
yopt_str += "\n\t"
yopt_str += "case %s:\n" % opt_cassign(yopt)
yopt_str += opt_assign_code(yopt, "optarg")
for impl in yopt.imply:
imps = impl.partition("=")
iyopt = yopt_find_l(imps[0].strip(), yopts)
if not iyopt:
print "No target option for %s implication" % impl
sys.exit(1)
if iyopt.atype == typ_boolean:
if imps[2]:
print "No value for boolean imply"
sys.exit(1)
iassign = "NULL"
else:
iassign = cstrval(imps[2].strip())
yopt_str += opt_assign_code(iyopt, iassign)
yopt_str += "\t\tbreak;"
return yscode.replace("${OPTS_ASSIGN}", yopt_str);
#yinscode = gen_opt_set("generic", yopts)
def gen_opt_set_grp(ygrp):
if ygrp.name == "generic":
return gen_opt_set("generic", ygrp.yopts, None)
yopts = []
yopts.extend(ygrp.yopts)
yopts.extend(yopt_groups["generic"].yopts)
return gen_opt_set(ygrp.name, yopts, ygrp.yopts)
yinsscode = ""
for gname in yopt_groups:
ygrp = yopt_groups[gname]
yinsscode += "/*\n * Set for %s\n */\n" % ygrp.name
yinsscode += gen_opt_set_grp(ygrp)
yinsscode += "/* End of %s set */\n" % ygrp.name
#
# End generating sets -- put them into main .c file
#
yincode = yincode.replace("${YSETS}", yinsscode)
# Generate validation routine (choices)
yopt_str = ""
def gen_choice_fixup(yopt):
def opt_is_dflt(yopt):
if getattr(yopt, "defval", None):
if yopt.atype == typ_string:
return "!strcmp(%s, %s)" % (opt_sname(yopt), cstrval(yopt.defval))
else:
return "%s == %s" % (opt_sname(yopt), yopt.defval)
else:
return "!%s" % opt_sname(yopt)
yopt_str = ""
if yopt.atype == typ_string:
if yopt.otype == opt_option:
yopt_str += "if (%s) {\n" % opt_is_dflt(yopt)
yopt_str += "\t;\n"
yopt_str += "} else "
for ch in yopt.choice:
vals = getattr(ch, "aliases", None) or []
vals.insert(0, ch.val)
cmps = map(lambda x: "!strcmp(%s, \"%s\")" % (opt_sname(yopt), x), vals)
cmps = " || ".join(cmps)
yopt_str += "if (%s) {\n" % cmps
yopt_str += "\t%s_code = %s;\n" % (opt_sname(yopt), ch.ccode)
if getattr(ch, "schoice", None):
yopt_str += "\treturn -1;\n"
elif yopt == active_classifier:
ykey = "%s = %s" % (yopt.lname, ch.val)
if yopt_groups.has_key(ykey):
yopt_str += "\tycur = &%s_set;\n" % yopt_groups[ykey].name
yopt_str += "\tnew_set = true;\n"
yopt_str += "} else "
yopt_str += " {\n"
yopt_str += "\tyopt_print(\"Unknown value for %s\\n\");\n" % opt_pname(yopt)
yopt_str += "\tyopt_err = YOPTS_PARSE_ERR;\n"
yopt_str += "}\n\n"
elif yopt.atype == typ_integer:
yopt_str += "switch (%s) {\n" % opt_sname(yopt)
cases = map(lambda x: "case %s:\n" % x.val, yopt.choice)
yopt_str += "".join(cases)
yopt_str += "\tbreak;\n"
yopt_str += "default:\n"
if (yopt.otype == opt_option):
yopt_str += "\tif (%s)\n" % opt_is_dflt(yopt)
yopt_str += "\t\tbreak;\n"
yopt_str += "\tyopt_print(\"Unknown value for %s\\n\");\n" % opt_pname(yopt)
yopt_str += "\tyopt_err = YOPTS_PARSE_ERR;\n"
yopt_str += "}\n\n"
return yopt_str
for yopt in yopts:
if yopt.otype == opt_argument:
continue
if not len(yopt.choice):
continue
yopt_str += gen_choice_fixup(yopt)
yopt_str = c_indent("\t", yopt_str)
yincode = yincode.replace("${FIX_CHOICES}", yopt_str)
# Generate arguments (arg-s) parsing. The getopt_long puts leaves them at the end of argv array
yopt_str = ""
args_nr = 0
for yopt in yopts:
if yopt.otype != opt_argument:
continue
if yopt.atype in (typ_string, typ_path):
arg_assign = "arg"
elif yopt.atype == typ_integer:
arg_assign = "yopt_parse_int(arg)"
else:
print "Wrong type for an argument\n"
sys.exit(1)
yopt_str += "case %d:\n" % args_nr
yopt_str += "\tdprint(\"%s assigned to %%s\\n\", arg);\n" % opt_sname(yopt)
yopt_str += "\t%s = %s;\n" % (opt_sname(yopt), arg_assign)
if len(yopt.choice):
yopt_str += c_indent("\t", gen_choice_fixup(yopt))
yopt_str += "\tbreak;\n"
args_nr += 1
yopt_str = c_indent("\t", yopt_str)
yincode = yincode.replace("${ASSIGN_ARGS}", yopt_str)
yincode = yincode.replace("${NR_ARGS}", "%d" % args_nr)
yopt_str = ""
arg_nr = 0
for yopt in yopts:
if yopt.otype != opt_argument:
continue
yopt_str += "if (yopt_next_arg <= %d) {\n" % arg_nr
yopt_str += "\tyopt_print(\"Argument %s missing\\n\");\n" % opt_pname(yopt)
yopt_str += "\tyopt_err = YOPTS_PARSE_ERR;\n"
yopt_str += "}\n\n"
arg_nr += 1
yopt_str = c_indent("\t", yopt_str)
yincode = yincode.replace("${CHECK_ARGS}", yopt_str)
# Expressions generator
def yoda_gen_one_cexp(exp):
parts = exp.partition("=")
for yopt in yopts:
if yopt.lname == parts[0].strip():
break;
if yopt.atype == typ_boolean:
fixup = ""
comp = ""
cval = ""
elif (yopt.atype in (typ_string, typ_path)) and len(yopt.choice):
fixup = "_code"
comp = " == "
for ch in yopt.choice:
if ch.val == parts[2].strip():
cval = ch.ccode
break
else:
sys.exit(1)
elif yopt.atype == typ_integer:
fixup = ""
if parts[1]:
comp = " == "
cval = parts[2]
else:
comp = " != "
cval = "0"
else:
print "No req check for %s\n" % opt_sname(yopt)
sys.exit(1)
return "%s%s%s%s" % (opt_sname(yopt), fixup, comp, cval)
def yoda_gen_cexpression(exp_str):
exps = exp_str.partition("|")
ret_str = yoda_gen_one_cexp(exps[0])
if exps[1]:
return ("(%s) || " % ret_str) + yoda_gen_cexpression(exps[2])
else:
return "(%s)" % ret_str
def yoda_get_group_desc(exp_str):
gacts = {}
exps = exp_str.split("|")
for exp in exps:
parts = map(lambda a: a.strip(), exp.split("="))
if len(parts) == 1:
if yopt_find_l(parts[0], yopts):
parts = ['option', parts[0]]
else:
parts = ['', parts[0]]
if not gacts.has_key(parts[0]):
gacts[parts[0]] = []
gacts[parts[0]].append(parts[1])
gstr = ""
for t in gacts:
if gstr:
gstr += " or "
else:
gstr += "for "
gstr += ", ".join(gacts[t])
gstr += " %s" % t
if len(gacts[t]) > 1:
gstr += "s"
return gstr.capitalize().strip()
# Generate requirements checks (req_for-s and clash-es)
yopt_str = ""
for yopt in yopts:
if getattr(yopt, "required_for", None):
yopt_str += "if (%s) {\n" % yoda_gen_cexpression(yopt.required_for)
yopt_str += "\tif (!%s) {\n" % opt_sname(yopt)
yopt_str += "\t\tyopt_err = YOPTS_PARSE_ERR;\n"
yopt_str += "\t\tyopt_print(\"Option %s required\\n\");\n" % opt_pname(yopt)
yopt_str += "\t}\n"
yopt_str += "}\n\n"
if getattr(yopt, "conflicts", None):
yopt_str += "if (%s && (%s)) {\n" % (opt_sname(yopt), yoda_gen_cexpression(yopt.conflicts))
yopt_str += "\tyopt_err = YOPTS_PARSE_ERR;\n"
yopt_str += "\tyopt_print(\"Option %s conflict\\n\");\n" % opt_pname(yopt)
yopt_str += "}\n\n"
yopt_str = c_indent("\t", yopt_str)
yincode = yincode.replace("${CHECK_REQS}", yopt_str)
# Generate usage text
yopt_str = ""
yopt_align = "\t "
yopt_indent = " "
yopt_el = yopt_align + "\"\\n\"\n"
yopt_str += yopt_align + "\"" + yopt_indent + "%s"
for yopt in yopts:
if yopt.otype != opt_argument:
continue
if opt_deprecated(yopt):
continue
yopt_str += " <%s>" % yopt.lname
yopt_str += " [<options>]\\n\"\n"
yopt_str += yopt_el
# "Arguments" block
for yopt in yopts:
if (yopt.otype != opt_argument):
continue
if opt_deprecated(yopt):
continue
yopt_str += yopt_align + "\"%s: %s\\n\"\n" % (yopt.lname.capitalize(), yopt.summary)
if len(yopt.choice) > 0:
for ch in yopt.choice:
yopt_str += yopt_align + "\"" + yopt_indent + \
ch.val.ljust(10 + yopt_name_len_max) + \
ch.summary + "\\n\"\n"
yopt_str += yopt_el
yopt_str += yopt_align + "\"Options:\\n\"\n"
yopts_groups = {}
yopts_default = []
yopts_generic = []
# Classify options
for yopt in yopts:
if yopt.otype != opt_option:
continue
if opt_deprecated(yopt):
continue
for_expr = []