vb@31: #!/usr/bin/env python3
vb@0: # vim: set fileencoding=utf-8 :
vb@0: 
vb@0: """\
vb@40: YML 2 compiler version 6.2
h@50: Copyleft (c), 2009-2020, Volker Birk  http://fdik.org/yml/
vb@0: 
vb@0: """
vb@0: 
vb@0: import sys, os, codecs, locale
vb@0: import fileinput, unicodedata
vb@0: from optparse import OptionParser
vb@0: 
h@41: from yml2.pyPEG import parse, u
vb@72: from yml2.grammar import ymlCStyle, comment, oldSyntax
h@41: import yml2.backend as backend
vb@0: 
h@43: YML_DEFAULT_PATH = [os.path.dirname(backend.__file__)]
h@43: 
vb@0: def printInfo(option, opt_str, value, parser):
vb@0:     sys.stdout.write(__doc__)
vb@34:     sys.exit(0)
vb@0: 
vb@0: def w(msg):
vb@0:     if isinstance(msg, BaseException):
vb@32:         msg = str(msg) + "\n"
vb@31:     if type(msg) is bytes:
vb@0:         msg = codecs.encode(msg, sys.stderr.encoding)
vb@0:     sys.stderr.write(msg)
vb@0: 
claudio@64: def main():
claudio@64:     optParser = OptionParser()
claudio@64:     optParser.add_option("-C", "--old-syntax", action="store_true", dest="old_syntax",
claudio@64:             help="syntax of YML 2 version 1.x (compatibility mode)", default=False)
claudio@64:     optParser.add_option("-D", "--emit-linenumbers", action="store_true", dest="emitlinenumbers",
claudio@64:             help="emit line numbers into the resulting XML for debugging purposes", default=False)
claudio@64:     optParser.add_option("-E", "--encoding", dest="encoding", metavar="ENCODING", default=locale.getdefaultlocale()[1],
claudio@64:             help="encoding of input files (default to locale)")
claudio@64:     optParser.add_option("-I", "--include", dest="includePathText", metavar="INCLUDE_PATH",
claudio@64:             help="precede YML_PATH by a colon separated INCLUDE_PATH to search for include files")
claudio@64:     optParser.add_option("-m", "--omit-empty-parm-tags", action="store_true", dest="omitemptyparm",
claudio@64:             help="does nothing (only there for compatibility reasons)", default=False)
claudio@64:     optParser.add_option("-n", "--normalization", dest="normalization", metavar="NORMALIZATION", default="NFC",
claudio@64:             help="Unicode normalization (none, NFD, NFKD, NFC, NFKC, FCD, default is NFC)")
claudio@64:     optParser.add_option("-o", "--output", dest="outputFile", metavar="FILE",
claudio@64:             help="place output in file FILE")
claudio@64:     optParser.add_option("-p", "--parse-only", action="store_true", dest="parseonly",
claudio@64:             help="parse only, then output pyAST as text to stdout", default=False)
claudio@64:     optParser.add_option("-V", "--version", action="callback", callback=printInfo, help="show version info")
claudio@64:     (options, args) = optParser.parse_args()
vb@0: 
claudio@64:     if options.old_syntax:
claudio@64:         oldSyntax()
vb@0: 
claudio@64:     if options.emitlinenumbers:
claudio@64:         backend.emitlinenumbers = True
vb@0: 
claudio@64:     backend.encoding = options.encoding
vb@0: 
claudio@64:     try:
claudio@64:         if options.includePathText:
claudio@64:             backend.includePath = options.includePathText.split(':')
vb@0: 
claudio@64:         dirs = os.environ.get('YML_PATH', '.').split(':') + YML_DEFAULT_PATH
claudio@64:         backend.includePath.extend(dirs)
vb@0: 
claudio@64:         files = fileinput.input(args, mode="rU", openhook=fileinput.hook_encoded(options.encoding))
vb@0: 
claudio@64:         ymlC = ymlCStyle()
claudio@64:         result = parse(ymlC, files, True, comment, packrat=True)
vb@0: 
claudio@64:         if options.parseonly:
claudio@64:             print(result)
claudio@64:         else:
claudio@64:             result = backend.finish(result)
claudio@64:             if options.normalization != "none":
claudio@64:                 result = unicodedata.normalize(options.normalization, result)
vb@0: 
claudio@64:             if options.outputFile and options.outputFile != "-":
claudio@64:                 outfile = open(options.outputFile, "wb")
claudio@64:                 outfile.write(codecs.encode(result, options.encoding))
claudio@64:                 outfile.close()
claudio@64:             else:
claudio@64:                 sys.stdout.buffer.write(codecs.encode(result, options.encoding))
claudio@64:                 print()
vb@0: 
claudio@64:     except KeyboardInterrupt:
claudio@64:         w("\n")
claudio@64:         sys.exit(1)
claudio@64:     except KeyError as msg:
claudio@64:         w("not found: " + u(msg) + "\n")
claudio@64:         sys.exit(4)
claudio@64:     except LookupError as msg:
claudio@64:         w("not found: " + u(msg) + "\n")
claudio@64:         sys.exit(4)
claudio@64:     except Exception as msg:
claudio@64:         w(msg)
claudio@64:         sys.exit(5)
claudio@64: 
claudio@64: 
claudio@64: if __name__ == "__main__":
vb@68:     main()