#!/usr/bin/python
#coding=utf8
__doc__="""
This class is used to extract text from a string content,
mostly used when we need to extract what we want from a
downloaded html page
"""
__author__="""jemygraw@gmail.com"""
class TextUtil:
def __init__(self,content):
self.content=content
self.start_index=0
def selectText(self,start,end):
self.start_flag=start
self.end_flag=end
from_index=self.content.find(start,self.start_index)
if from_index!=-1:
end_index=self.content.find(end,from_index+len(start))
if end_index!=-1:
self.start_index=end_index+len(end)
self.from_index=from_index
self.end_index=end_index
return True
return False
def extractText(self):
return self.content[self.from_index+len(self.start_flag):self.end_index]
def deselectText(self):
self.from_index=0
self.end_index=0
self.start_index=0
