diff options
Diffstat (limited to 'Mac/Tools/IDE/PyFontify.py')
| -rw-r--r-- | Mac/Tools/IDE/PyFontify.py | 190 |
1 files changed, 95 insertions, 95 deletions
diff --git a/Mac/Tools/IDE/PyFontify.py b/Mac/Tools/IDE/PyFontify.py index eb37ad3428..41f19424c3 100644 --- a/Mac/Tools/IDE/PyFontify.py +++ b/Mac/Tools/IDE/PyFontify.py @@ -1,29 +1,29 @@ """Module to analyze Python source code; for syntax coloring tools. Interface: - tags = fontify(pytext, searchfrom, searchto) + tags = fontify(pytext, searchfrom, searchto) The 'pytext' argument is a string containing Python source code. -The (optional) arguments 'searchfrom' and 'searchto' may contain a slice in pytext. +The (optional) arguments 'searchfrom' and 'searchto' may contain a slice in pytext. The returned value is a list of tuples, formatted like this: - [('keyword', 0, 6, None), ('keyword', 11, 17, None), ('comment', 23, 53, None), etc. ] + [('keyword', 0, 6, None), ('keyword', 11, 17, None), ('comment', 23, 53, None), etc. ] The tuple contents are always like this: - (tag, startindex, endindex, sublist) + (tag, startindex, endindex, sublist) tag is one of 'keyword', 'string', 'comment' or 'identifier' -sublist is not used, hence always None. +sublist is not used, hence always None. """ # Based on FontText.py by Mitchell S. Chapman, # which was modified by Zachary Roadhouse, # then un-Tk'd by Just van Rossum. # Many thanks for regular expression debugging & authoring are due to: -# Tim (the-incredib-ly y'rs) Peters and Cristian Tismer +# Tim (the-incredib-ly y'rs) Peters and Cristian Tismer # So, who owns the copyright? ;-) How about this: -# Copyright 1996-2001: -# Mitchell S. Chapman, -# Zachary Roadhouse, -# Tim Peters, -# Just van Rossum +# Copyright 1996-2001: +# Mitchell S. Chapman, +# Zachary Roadhouse, +# Tim Peters, +# Just van Rossum __version__ = "0.4" @@ -33,18 +33,18 @@ import re # First a little helper, since I don't like to repeat things. (Tismer speaking) import string def replace(where, what, with): - return string.join(string.split(where, what), with) + return string.join(string.split(where, what), with) # This list of keywords is taken from ref/node13.html of the # Python 1.3 HTML documentation. ("access" is intentionally omitted.) keywordsList = [ - "assert", "exec", - "del", "from", "lambda", "return", - "and", "elif", "global", "not", "try", - "break", "else", "if", "or", "while", - "class", "except", "import", "pass", - "continue", "finally", "in", "print", - "def", "for", "is", "raise", "yield"] + "assert", "exec", + "del", "from", "lambda", "return", + "and", "elif", "global", "not", "try", + "break", "else", "if", "or", "while", + "class", "except", "import", "pass", + "continue", "finally", "in", "print", + "def", "for", "is", "raise", "yield"] # Build up a regular expression which will match anything # interesting, including multi-line triple-quoted strings. @@ -55,24 +55,24 @@ quotePat = replace(pat, "q", "'") + "|" + replace(pat, 'q', '"') # Way to go, Tim! pat = r""" - qqq - [^\\q]* - ( - ( \\[\000-\377] - | q - ( \\[\000-\377] - | [^\q] - | q - ( \\[\000-\377] - | [^\\q] - ) - ) - ) - [^\\q]* - )* - qqq + qqq + [^\\q]* + ( + ( \\[\000-\377] + | q + ( \\[\000-\377] + | [^\q] + | q + ( \\[\000-\377] + | [^\\q] + ) + ) + ) + [^\\q]* + )* + qqq """ -pat = string.join(string.split(pat), '') # get rid of whitespace +pat = string.join(string.split(pat), '') # get rid of whitespace tripleQuotePat = replace(pat, "q", "'") + "|" + replace(pat, 'q', '"') # Build up a regular expression which matches all and only @@ -87,69 +87,69 @@ keyPat = nonKeyPat + "(" + "|".join(keywordsList) + ")" + nonKeyPat matchPat = commentPat + "|" + keyPat + "|" + tripleQuotePat + "|" + quotePat matchRE = re.compile(matchPat) -idKeyPat = "[ \t]*[A-Za-z_][A-Za-z_0-9.]*" # Ident w. leading whitespace. +idKeyPat = "[ \t]*[A-Za-z_][A-Za-z_0-9.]*" # Ident w. leading whitespace. idRE = re.compile(idKeyPat) def fontify(pytext, searchfrom = 0, searchto = None): - if searchto is None: - searchto = len(pytext) - # Cache a few attributes for quicker reference. - search = matchRE.search - idSearch = idRE.search - - tags = [] - tags_append = tags.append - commentTag = 'comment' - stringTag = 'string' - keywordTag = 'keyword' - identifierTag = 'identifier' - - start = 0 - end = searchfrom - while 1: - m = search(pytext, end) - if m is None: - break # EXIT LOOP - start = m.start() - if start >= searchto: - break # EXIT LOOP - match = m.group(0) - end = start + len(match) - c = match[0] - if c not in "#'\"": - # Must have matched a keyword. - if start <> searchfrom: - # there's still a redundant char before and after it, strip! - match = match[1:-1] - start = start + 1 - else: - # this is the first keyword in the text. - # Only a space at the end. - match = match[:-1] - end = end - 1 - tags_append((keywordTag, start, end, None)) - # If this was a defining keyword, look ahead to the - # following identifier. - if match in ["def", "class"]: - m = idSearch(pytext, end) - if m is not None: - start = m.start() - if start == end: - match = m.group(0) - end = start + len(match) - tags_append((identifierTag, start, end, None)) - elif c == "#": - tags_append((commentTag, start, end, None)) - else: - tags_append((stringTag, start, end, None)) - return tags + if searchto is None: + searchto = len(pytext) + # Cache a few attributes for quicker reference. + search = matchRE.search + idSearch = idRE.search + + tags = [] + tags_append = tags.append + commentTag = 'comment' + stringTag = 'string' + keywordTag = 'keyword' + identifierTag = 'identifier' + + start = 0 + end = searchfrom + while 1: + m = search(pytext, end) + if m is None: + break # EXIT LOOP + start = m.start() + if start >= searchto: + break # EXIT LOOP + match = m.group(0) + end = start + len(match) + c = match[0] + if c not in "#'\"": + # Must have matched a keyword. + if start <> searchfrom: + # there's still a redundant char before and after it, strip! + match = match[1:-1] + start = start + 1 + else: + # this is the first keyword in the text. + # Only a space at the end. + match = match[:-1] + end = end - 1 + tags_append((keywordTag, start, end, None)) + # If this was a defining keyword, look ahead to the + # following identifier. + if match in ["def", "class"]: + m = idSearch(pytext, end) + if m is not None: + start = m.start() + if start == end: + match = m.group(0) + end = start + len(match) + tags_append((identifierTag, start, end, None)) + elif c == "#": + tags_append((commentTag, start, end, None)) + else: + tags_append((stringTag, start, end, None)) + return tags def test(path): - f = open(path) - text = f.read() - f.close() - tags = fontify(text) - for tag, start, end, sublist in tags: - print tag, repr(text[start:end]) + f = open(path) + text = f.read() + f.close() + tags = fontify(text) + for tag, start, end, sublist in tags: + print tag, repr(text[start:end]) |