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
vb@31: Copyleft (c), 2009-2019, 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@0: from yml2 import ymlCStyle, comment, oldSyntax
h@41: import yml2.backend as backend
vb@0: 
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: 
vb@0: optParser = OptionParser()
vb@0: optParser.add_option("-C", "--old-syntax", action="store_true", dest="old_syntax",
vb@0:         help="syntax of YML 2 version 1.x (compatibility mode)", default=False)
vb@0: optParser.add_option("-D", "--emit-linenumbers", action="store_true", dest="emitlinenumbers",
vb@0:         help="emit line numbers into the resulting XML for debugging purposes", default=False)
vb@0: optParser.add_option("-E", "--encoding", dest="encoding", metavar="ENCODING", default=locale.getdefaultlocale()[1],
vb@0:         help="encoding of input files (default to locale)")
vb@0: optParser.add_option("-I", "--include", dest="includePathText", metavar="INCLUDE_PATH",
vb@0:         help="precede YML_PATH by a colon separated INCLUDE_PATH to search for include files")
vb@0: optParser.add_option("-m", "--omit-empty-parm-tags", action="store_true", dest="omitemptyparm",
vb@0:         help="does nothing (only there for compatibility reasons)", default=False)
vb@0: optParser.add_option("-n", "--normalization", dest="normalization", metavar="NORMALIZATION", default="NFC",
vb@0:         help="Unicode normalization (none, NFD, NFKD, NFC, NFKC, FCD, default is NFC)")
vb@0: optParser.add_option("-o", "--output", dest="outputFile", metavar="FILE",
vb@0:         help="place output in file FILE")
vb@0: optParser.add_option("-p", "--parse-only", action="store_true", dest="parseonly",
vb@0:         help="parse only, then output pyAST as text to stdout", default=False)
vb@0: optParser.add_option("-V", "--version", action="callback", callback=printInfo, help="show version info")
vb@0: (options, args) = optParser.parse_args()
vb@0: 
vb@0: if options.old_syntax:
vb@0:     oldSyntax()
vb@0: 
vb@0: if options.emitlinenumbers:
vb@0:     backend.emitlinenumbers = True
vb@0: 
vb@0: backend.encoding = options.encoding
vb@0: 
vb@0: try:
vb@0:     if options.includePathText:
vb@0:         backend.includePath = options.includePathText.split(':')
vb@0: 
vb@0:     dirs = os.environ.get('YML_PATH', '.').split(':')
vb@0:     backend.includePath.extend(dirs)
vb@0: 
vb@0:     files = fileinput.input(args, mode="rU", openhook=fileinput.hook_encoded(options.encoding))
vb@0: 
vb@0:     ymlC = ymlCStyle()
vb@0:     result = parse(ymlC, files, True, comment, packrat=True)
vb@0: 
vb@0:     if options.parseonly:
vb@7:         print(result)
vb@0:     else:
vb@0:         result = backend.finish(result)
vb@0:         if options.normalization != "none":
vb@0:             result = unicodedata.normalize(options.normalization, result)
vb@0: 
vb@0:         if options.outputFile and options.outputFile != "-":
vb@31:             outfile = open(options.outputFile, "wb")
vb@0:             outfile.write(codecs.encode(result, options.encoding))
vb@0:             outfile.close()
vb@0:         else:
vb@31:             sys.stdout.buffer.write(codecs.encode(result, options.encoding))
vb@31:             print()
vb@0: 
vb@0: except KeyboardInterrupt:
vb@0:     w("\n")
vb@0:     sys.exit(1)
vb@7: except KeyError as msg:
vb@32:     w("not found: " + u(msg) + "\n")
vb@0:     sys.exit(4)
vb@7: except LookupError as msg:
vb@32:     w("not found: " + u(msg) + "\n")
vb@0:     sys.exit(4)
vb@7: except Exception as msg:
vb@0:     w(msg)
vb@0:     sys.exit(5)