From d9bf22a0e29c2a70049443a0ae8521a2c0492c8b Mon Sep 17 00:00:00 2001
From: Cash Costello <cash.costello@gmail.com>
Date: Sun, 11 Dec 2011 06:38:23 -0500
Subject: initial commit for git repository

---
 .../openid-php-openid-782224d/admin/phpaliases.py  | 119 +++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 models/openid-php-openid-782224d/admin/phpaliases.py

(limited to 'models/openid-php-openid-782224d/admin/phpaliases.py')

diff --git a/models/openid-php-openid-782224d/admin/phpaliases.py b/models/openid-php-openid-782224d/admin/phpaliases.py
new file mode 100644
index 000000000..c4ce21684
--- /dev/null
+++ b/models/openid-php-openid-782224d/admin/phpaliases.py
@@ -0,0 +1,119 @@
+#!/usr/bin/env python
+
+"""This script searches files for functions that are just aliases in
+PHP source code. This is not 100% reliable, so it should not be
+automated, but it's useful to run once in a while to make sure that
+all of the matches it finds are not really legitimate aliases.
+
+Usage:
+
+  parse_aliases.py <name of alias file> [PHP source code filename]...
+"""
+
+import sys
+
+# Fetch this URL to get the file that is parsed into the aliases list
+alias_url = 'http://www.zend.com/phpfunc/all_aliases.php'
+
+header_tok = '<!-- END OF HEADER -->';
+footer_tok = '<!-- FOOTER -->';
+
+# Example line of the table that we parse:
+# '<tr bgcolor="#EFEFFF"><td><a href="function.bzclose.php">bzclose</a></td><td><a href="http://lxr.php.net/source/php-src/ext/bz2/bz2.c#48">php-src/ext/bz2/bz2.c</a></td><td><a href="function.fclose.php">fclose</a></td></tr>'
+
+import re
+
+line_re = re.compile(r'''
+\A
+
+<tr\ bgcolor="[^">]+">
+
+<td><a\ href="[^>"]+\.php">([^<>]+)</a></td>
+
+<td><a\ href="[^">]+">[^<>]+</a></td>
+
+<td>
+(?:
+    <a\ href="[^">]+\.php">
+    ( [^<>]+ )
+    </a>
+|   ( [^<>]+ )
+)
+</td>
+
+</tr>
+
+\Z
+''', re.VERBOSE)
+
+def parseString(s):
+    _, rest = s.split(header_tok, 1)
+    body, _ = rest.split(footer_tok, 1)
+
+    lines = body.split('\n')
+    assert [s.strip() for s in lines[-2:]] == ['</table>', '']
+    assert lines[0].strip().startswith('<table')
+    del lines[0], lines[-2:]
+    aliases = {}
+    for line in lines:
+        mo = line_re.match(line)
+        assert mo, line
+        alias, master1, master2 = mo.groups()
+        if master1:
+            master = master1
+        else:
+            assert master2
+            master = master2
+        aliases[alias] = master
+
+    return aliases
+
+def parseFile(f):
+    return parseString(f.read())
+
+def parseFileName(fn):
+    return parseFile(file(fn, 'r'))
+
+def parseURL(url):
+    return parseFile(urllib2.urlopen(url))
+
+def getAliasRE(aliases):
+    return re.compile(r'(->|\$|)\s*\b(%s)\b' % ('|'.join(aliases.keys())))
+
+def checkAliasesFile(alias_re, f):
+    found = []
+    line_num = 1
+    for line in f:
+        for mo in alias_re.finditer(line):
+            if mo.group(1):
+                continue
+            alias = mo.group(2)
+            found.append((line_num, alias))
+        line_num += 1
+    return found
+
+def checkAliases(alias_re, filename):
+    return checkAliasesFile(alias_re, file(filename, 'r'))
+
+def checkAliasesFiles(alias_re, filenames):
+    found = []
+    for filename in filenames:
+        file_found = checkAliases(alias_re, filename)
+        found.extend([(filename, n, a) for (n, a) in file_found])
+    return found
+
+def dumpResults(aliases, found, out=sys.stdout):
+    for filename, n, a in found:
+        print >>out, "%s:%d %s -> %s" % (filename, n, a, aliases[a])
+
+def main(alias_file, *filenames):
+    aliases = parseFileName(alias_file)
+    alias_re = getAliasRE(aliases)
+    found = checkAliasesFiles(alias_re, filenames)
+    dumpResults(aliases, found)
+    return found
+
+if __name__ == '__main__':
+    found = main(*sys.argv[1:])
+    if found:
+        sys.exit(1)
-- 
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