mirror of
https://github.com/fish-shell/fish-shell
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618 lines
23 KiB
Python
Executable file
618 lines
23 KiB
Python
Executable file
#!/usr/bin/python
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"""
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<OWNER> = Siteshwar Vashisht
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<YEAR> = 2012
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Copyright (c) 2012, Siteshwar Vashisht
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"""
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""" Run me like this: ./create_manpage_completions.py /usr/share/man/man1/* > man_completions.fish """
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import string, sys, re, os.path, gzip, traceback
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# This gets set to the name of the command that we are currently executing
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CMDNAME = ""
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# builtcommand writes into this global variable, yuck
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built_command_output = []
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# Diagnostic output
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diagnostic_output = []
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diagnostic_indent = 0
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def add_diagnostic(dgn):
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diagnostic_output.append(' '*diagnostic_indent + dgn)
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def flush_diagnostics(where):
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if diagnostic_output:
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output_str = '\n'.join(diagnostic_output) + '\n'
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where.write(output_str)
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diagnostic_output[:] = []
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# Make sure we don't output the same completion multiple times, which can happen
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# For example, xsubpp.1.gz and xsubpp5.10.1.gz
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# This maps commands to lists of completions
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already_output_completions = {}
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def compileAndSearch(regex, input):
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options_section_regex = re.compile(regex , re.DOTALL)
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options_section_matched = re.search( options_section_regex, input)
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return options_section_matched
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def unquoteDoubleQuotes(data):
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if (len(data) < 2):
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return data
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if data[0] == '"' and data[len(data)-1] == '"':
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data = data[1:len(data)-1]
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return data
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def unquoteSingleQuotes(data):
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if (len(data) < 2):
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return data
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if data[0] == '`' and data[len(data)-1] == '\'':
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data = data[1:len(data)-1]
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return data
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# Make a string of characters that are deemed safe in fish without needing to be escaped
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# Note that space is not included
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g_fish_safe_chars = frozenset(string.ascii_letters + string.digits + '_+-|/:=<>@~')
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def fish_escape_single_quote(str):
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# Escape a string if necessary so that it can be put in single quotes
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# If it has no non-safe chars, there's nothing to do
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if g_fish_safe_chars.issuperset(str):
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return str
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str = str.replace('\\', '\\\\') # Replace one backslash with two
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str = str.replace("'", "\\'") # Replace one single quote with a backslash-single-quote
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return "'" + str + "'"
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def output_complete_command(cmdname, args, description, output_list):
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comps = ['complete -c', cmdname]
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comps.extend(args)
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if description:
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comps.append('--description')
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comps.append(description)
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output_list.append(' '.join(comps))
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def builtcommand(options, description):
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# print "Options are: ", options
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man_optionlist = re.split(" |,|\"|=|[|]", options)
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fish_options = []
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for option in man_optionlist:
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if option.startswith('--'):
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# New style long option (--recursive)
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fish_options.append('-l ' + fish_escape_single_quote(option[2:]))
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elif option.startswith('-') and len(option) == 2:
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# New style short option (-r)
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fish_options.append('-s ' + fish_escape_single_quote(option[1:]))
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elif option.startswith('-') and len(option) > 2:
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# Old style long option (-recursive)
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fish_options.append('-o ' + fish_escape_single_quote(option[1:]))
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# Determine which options are new (not already in existing_options)
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# Then add those to the existing options
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existing_options = already_output_completions.setdefault(CMDNAME, set())
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fish_options = [opt for opt in fish_options if opt not in existing_options]
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existing_options.update(fish_options)
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# Maybe it's all for naught
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if not fish_options: return
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first_period = description.find(".")
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if first_period >= 45 or (first_period == -1 and len(description) > 45):
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description = description[:45] + '... [See Man Page]'
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elif first_period >= 0:
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description = description[:first_period]
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# Escape some more things
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description = fish_escape_single_quote(description)
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escaped_cmd = fish_escape_single_quote(CMDNAME)
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output_complete_command(escaped_cmd, fish_options, description, built_command_output)
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def removeGroffFormatting(data):
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# data = data.replace("\fI","")
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# data = data.replace("\fP","")
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data = data.replace("\\fI","")
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data = data.replace("\\fP","")
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data = data.replace("\\f1","")
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data = data.replace("\\fB","")
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data = data.replace("\\fR","")
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data = data.replace("\\e","")
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data = re.sub(".PD( \d+)","",data)
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data = data.replace(".BI","")
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data = data.replace(".BR","")
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data = data.replace("0.5i","")
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data = data.replace(".rb","")
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data = data.replace("\\^","")
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data = data.replace("{ ","")
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data = data.replace(" }","")
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data = data.replace("\ ","")
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data = data.replace("\-","-")
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data = data.replace("\&","")
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data = data.replace(".B","")
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data = data.replace("\-","-")
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data = data.replace(".I","")
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data = data.replace("\f","")
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return data
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class ManParser:
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def isMyType(self, manpage):
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return False
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def parseManPage(self, manpage):
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return False
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def name(self):
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return "no-name"
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class Type1ManParser(ManParser):
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def isMyType(self, manpage):
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# print manpage
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options_section_matched = compileAndSearch("\.SH \"OPTIONS\"(.*?)", manpage)
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if options_section_matched == None:
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return False
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else:
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return True
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def parseManPage(self, manpage):
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options_section_regex = re.compile( "\.SH \"OPTIONS\"(.*?)(\.SH|\Z)", re.DOTALL)
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options_section_matched = re.search( options_section_regex, manpage)
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options_section = options_section_matched.group(0)
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# print options_section
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options_parts_regex = re.compile("\.PP(.*?)\.RE", re.DOTALL)
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options_matched = re.search(options_parts_regex, options_section)
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# print options_matched
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add_diagnostic('Command is ' + CMDNAME)
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if options_matched == None:
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add_diagnostic('Unable to find options')
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if( self.fallback(options_section) ):
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return True
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elif (self.fallback2(options_section) ):
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return True
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return False
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while (options_matched != None):
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# print len(options_matched.groups())
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# print options_matched.group()
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data = options_matched.group(1)
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last_dotpp_index = data.rfind(".PP")
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if (last_dotpp_index != -1):
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data = data[last_dotpp_index+3:]
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data = removeGroffFormatting(data)
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data = data.split(".RS 4")
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# print data
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if (len (data) > 1): #and len(data[1]) <= 300):
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optionName = data[0].strip()
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if ( optionName.find("-") == -1):
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add_diagnostic(optionName + " doesn't contain - ")
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# return False
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else:
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optionName = unquoteDoubleQuotes(optionName)
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optionName = unquoteSingleQuotes(optionName)
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optionDescription = data[1].strip().replace("\n"," ")
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# print >> sys.stderr, "Option: ", optionName," Description: ", optionDescription , '\n'
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builtcommand(optionName, optionDescription)
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else:
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add_diagnostic('Unable to split option from description')
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return False
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options_section = options_section[options_matched.end()-3:]
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options_matched = re.search(options_parts_regex, options_section)
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def fallback(self, options_section):
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add_diagnostic('Falling Back')
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options_parts_regex = re.compile("\.TP( \d+)?(.*?)\.TP", re.DOTALL)
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options_matched = re.search(options_parts_regex, options_section)
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if options_matched == None:
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add_diagnostic('Still not found')
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return False
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while options_matched != None:
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data = options_matched.group(2)
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data = removeGroffFormatting(data)
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data = data.strip()
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data = data.split("\n",1)
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if (len(data)>1 and len(data[1].strip())>0): # and len(data[1])<400):
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optionName = data[0].strip()
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if ( optionName.find("-") == -1):
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add_diagnostic(optionName + "doesn't contains -")
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else:
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optionName = unquoteDoubleQuotes(optionName)
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optionName = unquoteSingleQuotes(optionName)
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optionDescription = data[1].strip().replace("\n"," ")
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# print "Option: ", optionName," Description: ", optionDescription , '\n'
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builtcommand(optionName, optionDescription)
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else:
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add_diagnostic('Unable to split option from description')
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return False
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options_section = options_section[options_matched.end()-3:]
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options_matched = re.search(options_parts_regex, options_section)
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return True
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def fallback2(self, options_section):
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add_diagnostic('Falling Back2')
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ix_remover_regex = re.compile("\.IX.*")
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trailing_num_regex = re.compile('\\d+$')
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options_parts_regex = re.compile("\.IP (.*?)\.IP", re.DOTALL)
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options_section = re.sub(ix_remover_regex, "", options_section)
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options_matched = re.search(options_parts_regex, options_section)
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if options_matched == None:
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add_diagnostic('Still not found2')
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return False
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while options_matched != None:
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data = options_matched.group(1)
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# print "Data is : ", data
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data = removeGroffFormatting(data)
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data = data.strip()
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data = data.split("\n",1)
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if (len(data)>1 and len(data[1].strip())>0): # and len(data[1])<400):
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# print "Data[0] is: ", data[0]
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# data = re.sub(trailing_num_regex, "", data)
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optionName = re.sub(trailing_num_regex, "", data[0].strip())
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if ('-' not in optionName):
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add_diagnostic(optionName + " doesn't contain -")
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else:
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optionName = optionName.strip()
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optionName = unquoteDoubleQuotes(optionName)
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optionName = unquoteSingleQuotes(optionName)
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optionDescription = data[1].strip().replace("\n"," ")
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# print "Option: ", optionName," Description: ", optionDescription , '\n'
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builtcommand(optionName, optionDescription)
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else:
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# print data
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add_diagnostic('Unable to split option from description')
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return False
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options_section = options_section[options_matched.end()-3:]
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options_matched = re.search(options_parts_regex, options_section)
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return True
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def name(self):
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return "Type1"
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class Type2ManParser(ManParser):
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def isMyType(self, manpage):
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options_section_matched = compileAndSearch("\.SH OPTIONS(.*?)", manpage)
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if options_section_matched == None:
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return False
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else:
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return True
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def parseManPage(self, manpage):
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options_section_regex = re.compile( "\.SH OPTIONS(.*?)(\.SH|\Z)", re.DOTALL)
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options_section_matched = re.search( options_section_regex, manpage)
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# if (options_section_matched == None):
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# print "Falling Back"
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# options_section_regex = re.compile( "\.SH OPTIONS(.*?)$", re.DOTALL)
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# options_section_matched = re.search( options_section_regex, manpage)
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# print manpage
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options_section = options_section_matched.group(1)
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# print options_section
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# print options_section
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# sys.exit(1)
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# options_parts_regex = re.compile("\.TP(.*?)\.TP", re.DOTALL)
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options_parts_regex = re.compile("\.[I|T]P( \d+(\.\d)?i?)?(.*?)\.[I|T]P", re.DOTALL)
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# options_parts_regex = re.compile("\.TP(.*?)[(\.TP)|(\.SH)]", re.DOTALL)
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options_matched = re.search(options_parts_regex, options_section)
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add_diagnostic('Command is ' + CMDNAME)
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if options_matched == None:
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add_diagnostic(self.name() + ': Unable to find options')
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return False
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while (options_matched != None):
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# print len(options_matched.groups())
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data = options_matched.group(3)
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data = removeGroffFormatting(data)
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data = data.strip()
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data = data.split("\n",1)
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# print >> sys.stderr, data
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if (len(data)>1 and len(data[1].strip())>0): # and len(data[1])<400):
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optionName = data[0].strip()
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if '-' not in optionName:
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add_diagnostic(optionName + " doesn't contain -")
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else:
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optionName = unquoteDoubleQuotes(optionName)
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optionName = unquoteSingleQuotes(optionName)
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optionDescription = data[1].strip().replace("\n"," ")
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# print "Option: ", optionName," Description: ", optionDescription , '\n'
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builtcommand(optionName, optionDescription)
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else:
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# print >> sys.stderr, data
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add_diagnostic('Unable to split option from description')
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# return False
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options_section = options_section[options_matched.end()-3:]
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options_matched = re.search(options_parts_regex, options_section)
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def name(self):
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return "Type2"
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class Type3ManParser(ManParser):
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def isMyType(self, manpage):
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options_section_matched = compileAndSearch("\.SH DESCRIPTION(.*?)", manpage)
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if options_section_matched == None:
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return False
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else:
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return True
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def parseManPage(self, manpage):
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options_section_regex = re.compile( "\.SH DESCRIPTION(.*?)(\.SH|\Z)", re.DOTALL)
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options_section_matched = re.search( options_section_regex, manpage)
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options_section = options_section_matched.group(1)
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# print options_section
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# sys.exit(1)
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options_parts_regex = re.compile("\.TP(.*?)\.TP", re.DOTALL)
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options_matched = re.search(options_parts_regex, options_section)
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add_diagnostic('Command is ' + CMDNAME)
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if options_matched == None:
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add_diagnostic('Unable to find options section')
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return False
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while (options_matched != None):
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# print len(options_matched.groups())
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data = options_matched.group(1)
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data = removeGroffFormatting(data)
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data = data.strip()
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data = data.split("\n",1)
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if (len(data)>1): # and len(data[1])<400):
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optionName = data[0].strip()
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if ( optionName.find("-") == -1):
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add_diagnostic(optionName + "doesn't contain -")
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else:
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optionName = unquoteDoubleQuotes(optionName)
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optionName = unquoteSingleQuotes(optionName)
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optionDescription = data[1].strip().replace("\n"," ")
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# print >> sys.stderr, "Option: ", optionName," Description: ", optionDescription , '\n'
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builtcommand(optionName, optionDescription)
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else:
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add_diagnostic('Unable to split option from description')
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return False
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options_section = options_section[options_matched.end()-3:]
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options_matched = re.search(options_parts_regex, options_section)
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def name(self):
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return "Type3"
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class Type4ManParser(ManParser):
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def isMyType(self, manpage):
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options_section_matched = compileAndSearch("\.SH FUNCTION LETTERS(.*?)", manpage)
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if options_section_matched == None:
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return False
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else:
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return True
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def parseManPage(self, manpage):
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options_section_regex = re.compile( "\.SH FUNCTION LETTERS(.*?)(\.SH|\Z)", re.DOTALL)
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options_section_matched = re.search( options_section_regex, manpage)
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options_section = options_section_matched.group(1)
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# print options_section
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# sys.exit(1)
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options_parts_regex = re.compile("\.TP(.*?)\.TP", re.DOTALL)
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options_matched = re.search(options_parts_regex, options_section)
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print >> sys.stderr, "Command is ", CMDNAME
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if options_matched == None:
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print >> sys.stderr, "Unable to find options section"
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return False
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while (options_matched != None):
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# print len(options_matched.groups())
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data = options_matched.group(1)
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data = removeGroffFormatting(data)
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data = data.strip()
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data = data.split("\n",1)
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if (len(data)>1): # and len(data[1])<400):
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optionName = data[0].strip()
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if ( optionName.find("-") == -1):
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print >> sys.stderr, optionName, "doesn't contains -"
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else:
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optionName = unquoteDoubleQuotes(optionName)
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optionName = unquoteSingleQuotes(optionName)
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optionDescription = data[1].strip().replace("\n"," ")
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# print "Option: ", optionName," Description: ", optionDescription , '\n'
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builtcommand(optionName, optionDescription)
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else:
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add_diagnostic('Unable to split option from description')
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return False
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options_section = options_section[options_matched.end()-3:]
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options_matched = re.search(options_parts_regex, options_section)
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return True
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def name(self):
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return "Type4"
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class TypeMacManParser(ManParser):
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def isMyType(self, manpage):
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options_section_matched = compileAndSearch("\.Sh DESCRIPTION", manpage)
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return options_section_matched != None
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def trim_groff(self, line):
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# Remove initial period
|
|
if line.startswith('.'):
|
|
line = line[1:]
|
|
# Skip leading groff crud
|
|
while re.match('[A-Z][a-z]\s', line):
|
|
line = line[3:]
|
|
return line
|
|
|
|
def is_option(self, line):
|
|
return line.startswith('.It Fl')
|
|
|
|
|
|
def parseManPage(self, manpage):
|
|
lines = manpage.splitlines()
|
|
# Discard lines until we get to ".sh Description"
|
|
while lines and not lines[0].startswith('.Sh DESCRIPTION'):
|
|
lines.pop(0)
|
|
|
|
while lines:
|
|
# Pop until we get to the next option
|
|
while lines and not self.is_option(lines[0]):
|
|
lines.pop(0)
|
|
|
|
if not lines:
|
|
continue
|
|
|
|
# Extract the name
|
|
name = self.trim_groff(lines.pop(0)).strip()
|
|
|
|
# Extract the description
|
|
desc = ''
|
|
while lines and not self.is_option(lines[0]):
|
|
# print "*", lines[0]
|
|
desc = desc + lines.pop(0)
|
|
|
|
#print "name: ", name
|
|
|
|
if name == '-':
|
|
# Skip double -- arguments
|
|
continue
|
|
elif len(name) > 1:
|
|
# Output the command
|
|
builtcommand('--' + name, desc)
|
|
elif len(name) == 1:
|
|
builtcommand('-' + name, desc)
|
|
|
|
def name(self):
|
|
return "Darwin man parser"
|
|
|
|
|
|
def parse_manpage_at_path(manpage_path):
|
|
filename = os.path.basename(manpage_path)
|
|
|
|
# Clear diagnostics
|
|
global diagnostic_indent
|
|
diagnostic_output[:] = []
|
|
diagnostic_indent = 0
|
|
|
|
# Get the "base" command, e.g. gcc.1.gz -> gcc
|
|
global CMDNAME
|
|
CMDNAME = filename.split('.', 1)[0]
|
|
|
|
# Set up some diagnostics
|
|
add_diagnostic('Considering ' + manpage_path)
|
|
diagnostic_indent += 1
|
|
|
|
if manpage_path.endswith('.gz'):
|
|
fd = gzip.open(manpage_path, 'r')
|
|
else:
|
|
fd = open(manpage_path, 'r')
|
|
manpage = fd.read()
|
|
fd.close()
|
|
|
|
# Get the "base" command, e.g. gcc.1.gz -> gcc
|
|
cmd_base = CMDNAME.split('.', 1)[0]
|
|
ignoredcommands = ["cc", "g++", "gcc", "c++", "cpp", "emacs", "gprof", "wget", "ld", "awk"]
|
|
if cmd_base in ignoredcommands:
|
|
return
|
|
|
|
# Clear the output list
|
|
built_command_output[:] = []
|
|
|
|
parsers = [Type1ManParser(), Type2ManParser(), Type4ManParser(), Type3ManParser(), TypeMacManParser()]
|
|
parsersToTry = [p for p in parsers if p.isMyType(manpage)]
|
|
|
|
if not parsersToTry:
|
|
add_diagnostic(manpage_path + ": Not supported")
|
|
else:
|
|
success = False
|
|
for parser in parsersToTry:
|
|
add_diagnostic('Trying parser ' + parser.name())
|
|
diagnostic_indent += 1
|
|
success = parser.parseManPage(manpage)
|
|
diagnostic_indent -= 1
|
|
if success: break
|
|
|
|
if success:
|
|
built_command_output.insert(0, "# %s: %s" % (CMDNAME, parser.name()))
|
|
for line in built_command_output:
|
|
print line
|
|
print ''
|
|
add_diagnostic(manpage_path + ' parsed successfully')
|
|
else:
|
|
parser_names = ', '.join(p.name() for p in parsersToTry)
|
|
add_diagnostic('%s is unparsable (tried parser %s)' % (manpage_path, parser_names))
|
|
|
|
def compare_paths(a, b):
|
|
""" Compare two paths by their base name, case insensitive """
|
|
return cmp(os.path.basename(a).lower(), os.path.basename(b).lower())
|
|
|
|
def parse_and_output_man_pages(paths):
|
|
global diagnostic_indent
|
|
paths.sort(compare_paths)
|
|
for manpage_path in paths:
|
|
try:
|
|
parse_manpage_at_path(manpage_path)
|
|
except IOError:
|
|
diagnostic_indent = 0
|
|
add_diagnostic('Cannot open ' + manpage_path)
|
|
except:
|
|
add_diagnostic('Error parsing %s: %s' % (manpage_path, sys.exc_info()[0]))
|
|
flush_diagnostics(sys.stderr)
|
|
traceback.print_exc(file=sys.stderr)
|
|
flush_diagnostics(sys.stderr)
|
|
|
|
|
|
|
|
if __name__ == "__main__":
|
|
paths = sys.argv[1:]
|
|
parse_and_output_man_pages(paths)
|
|
|
|
# Profiling code
|
|
# import cProfile, pstats
|
|
# cProfile.run('parse_and_output_man_pages(paths)', 'fooprof')
|
|
# p = pstats.Stats('fooprof')
|
|
# p.sort_stats('cumulative').print_stats(10)
|
|
|