/Tools/scripts/parseentities.py
http://unladen-swallow.googlecode.com/ · Python · 64 lines · 51 code · 6 blank · 7 comment · 13 complexity · 0d749724bf0aa2ffe2a42cd0abfb76cf MD5 · raw file
- #!/usr/local/bin/python
- """ Utility for parsing HTML entity definitions available from:
- http://www.w3.org/ as e.g.
- http://www.w3.org/TR/REC-html40/HTMLlat1.ent
- Input is read from stdin, output is written to stdout in form of a
- Python snippet defining a dictionary "entitydefs" mapping literal
- entity name to character or numeric entity.
- Marc-Andre Lemburg, mal@lemburg.com, 1999.
- Use as you like. NO WARRANTIES.
- """
- import re,sys
- import TextTools
- entityRE = re.compile('<!ENTITY +(\w+) +CDATA +"([^"]+)" +-- +((?:.|\n)+?) *-->')
- def parse(text,pos=0,endpos=None):
- pos = 0
- if endpos is None:
- endpos = len(text)
- d = {}
- while 1:
- m = entityRE.search(text,pos,endpos)
- if not m:
- break
- name,charcode,comment = m.groups()
- d[name] = charcode,comment
- pos = m.end()
- return d
- def writefile(f,defs):
- f.write("entitydefs = {\n")
- items = defs.items()
- items.sort()
- for name,(charcode,comment) in items:
- if charcode[:2] == '&#':
- code = int(charcode[2:-1])
- if code < 256:
- charcode = "'\%o'" % code
- else:
- charcode = repr(charcode)
- else:
- charcode = repr(charcode)
- comment = TextTools.collapse(comment)
- f.write(" '%s':\t%s, \t# %s\n" % (name,charcode,comment))
- f.write('\n}\n')
- if __name__ == '__main__':
- if len(sys.argv) > 1:
- infile = open(sys.argv[1])
- else:
- infile = sys.stdin
- if len(sys.argv) > 2:
- outfile = open(sys.argv[2],'w')
- else:
- outfile = sys.stdout
- text = infile.read()
- defs = parse(text)
- writefile(outfile,defs)