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Diffstat (limited to 'Mac/Contrib/PyIDE-src/IDELib/Widgets/PyFontify.py')
| -rw-r--r-- | Mac/Contrib/PyIDE-src/IDELib/Widgets/PyFontify.py | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/Mac/Contrib/PyIDE-src/IDELib/Widgets/PyFontify.py b/Mac/Contrib/PyIDE-src/IDELib/Widgets/PyFontify.py deleted file mode 100644 index 6503636..0000000 --- a/Mac/Contrib/PyIDE-src/IDELib/Widgets/PyFontify.py +++ /dev/null @@ -1,153 +0,0 @@ -"""Module to analyze Python source code; for syntax coloring tools. - -Interface: - 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 returned value is a lists of tuples, formatted like this: - [('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 is one of 'keyword', 'string', 'comment' or 'identifier' -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 -# So, who owns the copyright? ;-) How about this: -# Copyright 1996-1997: -# Mitchell S. Chapman, -# Zachary Roadhouse, -# Tim Peters, -# Just van Rossum - -__version__ = "0.3.1" - -import string, regex - -# 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) - -# This list of keywords is taken from ref/node13.html of the -# Python 1.3 HTML documentation. ("access" is intentionally omitted.) -keywordsList = [ - "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"] - -# Build up a regular expression which will match anything -# interesting, including multi-line triple-quoted strings. -commentPat = "#.*" - -pat = "q[^\q\n]*\(\\\\[\000-\377][^\q\n]*\)*q" -quotePat = replace(pat, "q", "'") + "\|" + replace(pat, 'q', '"') - -# Way to go, Tim! -pat = """ - qqq - [^\\q]* - \( - \( \\\\[\000-\377] - \| q - \( \\\\[\000-\377] - \| [^\\q] - \| q - \( \\\\[\000-\377] - \| [^\\q] - \) - \) - \) - [^\\q]* - \)* - qqq -""" -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 -# Python keywords. This will let us skip the uninteresting -# identifier references. -# nonKeyPat identifies characters which may legally precede -# a keyword pattern. -nonKeyPat = "\(^\|[^a-zA-Z0-9_.\"']\)" - -keyPat = nonKeyPat + "\(" -for keyword in keywordsList: - keyPat = keyPat + keyword + "\|" -keyPat = keyPat[:-2] + "\)" + nonKeyPat - -matchPat = keyPat + "\|" + commentPat + "\|" + tripleQuotePat + "\|" + quotePat -matchRE = regex.compile(matchPat) - -idKeyPat = "[ \t]*[A-Za-z_][A-Za-z_0-9.]*" # Ident w. leading whitespace. -idRE = regex.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 - group = matchRE.group - idSearch = idRE.search - idGroup = idRE.group - - tags = [] - tags_append = tags.append - commentTag = 'comment' - stringTag = 'string' - keywordTag = 'keyword' - identifierTag = 'identifier' - - start = 0 - end = searchfrom - while 1: - start = search(pytext, end) - if start < 0 or start >= searchto: - break # EXIT LOOP - match = 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"]: - start = idSearch(pytext, end) - if start == end: - match = idGroup(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, `text[start:end]` |