Ttykuu

I've created a Python script that tries to properly indent and dedent ASP code. Similar to http://www.aspindent.com/

Since I've began using it I've noticed some edge cases that I hadn't anticipated. The reason these edge-cases appear is because of the fact that I'm not parsing straight ASP code. There are instances of HTML and Javascript in the file, thus, some of this is causing indentations to occur sporadically throughout the final output. I realize that part of the problem stems from my regex use. I'm here to see if there is a cleaner way to go about this.

import re, sys


class Indenter:
 def __init__(self, string):
 self.space = 0
 self.count = 0
 self.string = string

 def print_ln(self, string):
 sys.stdout.write(" " * self.space + str(string))
 sys.stdout.flush()

 def indent(self):
 self.print_ln(self.string[self.count])
 self.space += 4

 def dedent(self):
 self.space -= 4
 self.print_ln(self.string[self.count])

 def dedent_indent(self):
 self.space -= 4
 self.print_ln(self.string[self.count])
 self.space += 4

 def main(self):
 while self.count < len(self.string):
 if re.search("^s*if.*then", str(self.string[self.count]), re.IGNORECASE):
 self.indent()
 elif re.search("^s*for", str(self.string[self.count]), re.IGNORECASE):
 self.indent()
 elif re.search("^s*with", str(self.string[self.count]), re.IGNORECASE):
 self.indent()
 elif re.search("^s*do until", str(self.string[self.count]), re.IGNORECASE):
 self.indent()
 elif re.search("^s*do$", str(self.string[self.count]), re.IGNORECASE):
 self.indent()
 elif re.search("^s*Select Case", str(self.string[self.count]), re.IGNORECASE):
 self.indent()

 elif re.search("^s*End Select", str(self.string[self.count]), re.IGNORECASE):
 self.dedent()
 elif re.search("^s*loop", str(self.string[self.count]), re.IGNORECASE):
 self.dedent()
 elif re.search("^s*end with", str(self.string[self.count]), re.IGNORECASE):
 self.dedent()
 elif re.search("^s*end if", str(self.string[self.count]), re.IGNORECASE):
 self.dedent()
 elif re.search("^s*next", str(self.string[self.count]), re.IGNORECASE):
 self.dedent()

 elif re.search("^s*Case", str(self.string[self.count]), re.IGNORECASE):
 self.dedent_indent()
 elif re.search("^s*else", str(self.string[self.count]), re.IGNORECASE):
 self.dedent_indent()
 elif re.search("^s*elseif.*then", str(self.string[self.count]), re.IGNORECASE):
 self.dedent_indent()

 else:
 self.print_ln(self.string[self.count])
 self.count += 1


with open("scratch.html") as s:
 ind = Indenter(s.readlines())
 ind.main()
```