--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/smiley/utils.py	Sun Apr 12 21:08:56 2015 -0500
@@ -0,0 +1,69 @@
+"""
+Smiley classes and functions.
+
+"""
+from django.utils.safestring import SafeData
+from django.utils.html import conditional_escape
+
+from models import Smiley
+
+
+class SmilifyHtml(object):
+    """
+    A class to "smilify" text by replacing text with HTML img tags for smiley
+    images.
+    """
+    def __init__(self):
+        self.map = Smiley.objects.get_smiley_map()
+
+    def convert(self, value, autoescape=False):
+        """
+        Converts and returns the supplied text with the HTML version of the
+        smileys.
+        """
+        if not value:
+            return u''
+
+        if not autoescape or isinstance(value, SafeData):
+            esc = lambda x: x
+        else:
+            esc = conditional_escape
+
+        words = value.split()
+        for i, word in enumerate(words):
+            if word in self.map:
+                words[i] = self.map[word]
+            else:
+                words[i] = esc(words[i])
+        return u' '.join(words)
+
+
+class SmilifyMarkdown(object):
+    """
+    A class to "smilify" text by replacing text with Markdown image syntax for
+    smiley images.
+    """
+    def __init__(self, relative_urls=True):
+        self.regexes = Smiley.objects.get_smiley_regexes(
+                                        relative_urls=relative_urls)
+
+    def convert(self, s):
+        """
+        Returns a string copy of the input s that has the smiley codes replaced
+        with Markdown for smiley images.
+        """
+        if not s:
+            return u''
+
+        for regex, repl in self.regexes:
+            s = regex.sub(repl, s)
+        return s
+
+
+def smilify_html(value, autoescape=False):
+    """
+    A convenience function to "smilify" text by replacing text with HTML
+    img tags of smilies.
+    """
+    s = SmilifyHtml()
+    return s.convert(value, autoescape=autoescape)