124 lines
4.8 KiB
Python
124 lines
4.8 KiB
Python
#!/bin/python
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# -*- coding: utf-8 -*-
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# Fenrir TTY screen reader
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# By Chrys, Storm Dragon, and contributers.
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import time
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from fenrirscreenreader.core import debug
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class memoryManager():
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def __init__(self):
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self.listStorage = {}
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def initialize(self, environment):
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self.env = environment
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def shutdown(self):
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pass
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def listStorageValid(self,name, checkIndex = False):
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try:
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if checkIndex:
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index = self.listStorage[name]['index']
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if index == -1:
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return self.listStorage[name]['list'] == []
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return self.listStorage[name]['list'][index] != None
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else:
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return isinstance(self.listStorage[name]['list'],list)
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except Exception as e:
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self.env['runtime']['debug'].writeDebugOut("listStorageValid " + str(e),debug.debugLevel.ERROR)
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return False
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def addValueToFirstIndex(self, name, value):
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if not self.listStorageValid(name):
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return
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if self.listStorage[name]['maxLength'] == None:
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self.listStorage[name]['list'] = [value] + self.listStorage[name]['list']
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else:
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self.listStorage[name]['list'] = [value] + self.listStorage[name]['list'][:self.listStorage[name]['maxLength'] -1]
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self.listStorage[name]['index'] = 0
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def addIndexList(self, name, maxLength = None, currList = [], currIndex = -1):
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if len(currList) != 0 and (currIndex == -1):
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currIndex = 0
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self.listStorage[name] = {'list': currList, 'index': currIndex, 'maxLength': maxLength}
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def isLastIndex(self, name):
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if not self.listStorageValid(name):
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return False
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return self.listStorage[name]['index'] == len(self.listStorage[name]['list']) - 1
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def isFirstIndex(self, name):
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if not self.listStorageValid(name):
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return False
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return self.listStorage[name]['index'] == 0
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def getNextIndex(self, name):
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if not self.listStorageValid(name):
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return False
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if self.isIndexListEmpty(name):
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self.listStorage[name]['index'] = -1
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return False
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self.listStorage[name]['index'] += 1
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if self.listStorage[name]['index'] > len(self.listStorage[name]['list']) -1:
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self.listStorage[name]['index'] = 0
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return True
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def setPrefIndex(self, name):
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if not self.listStorageValid(name):
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return False
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if self.isIndexListEmpty(name):
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self.listStorage[name]['index'] = -1
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return False
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self.listStorage[name]['index'] -= 1
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if self.listStorage[name]['index'] < 0:
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self.listStorage[name]['index'] = len(self.listStorage[name]['list']) -1
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return True
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def setFirstIndex(self, name):
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if not self.listStorageValid(name):
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return False
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if self.isIndexListEmpty(name):
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self.listStorage[name]['index'] = -1
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return False
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self.listStorage[name]['index'] = 0
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return True
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def getIndexListLen(self, name):
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if not self.listStorageValid(name):
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return 0
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if self.isIndexListEmpty(name):
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self.listStorage[name]['index'] = -1
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return 0
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return len(self.listStorage[name])
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def setLastIndex(self, name):
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if not self.listStorageValid(name):
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return False
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if self.isIndexListEmpty(name):
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self.listStorage[name]['index'] = -1
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return False
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self.listStorage[name]['index'] = len(self.listStorage[name]['list']) -1
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return True
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def clearCurrentIndexList(self, name):
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if not self.listStorageValid(name):
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return False
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self.listStorage[name]['index'] = []
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self.listStorage[name]['index'] = -1
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def getCurrentIndex(self,name):
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if not self.listStorageValid(name):
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return False
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if self.isIndexListEmpty(name):
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self.listStorage[name]['index'] = -1
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return False
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try:
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return self.listStorage[name]['index']
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except:
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retrun -1
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def isIndexListEmpty(self, name):
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if not self.listStorageValid(name):
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return False
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return len(self.listStorage[name]['list']) == 0
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def getIndexListElement(self, name):
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if not self.listStorageValid(name):
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return None
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if self.isIndexListEmpty(name):
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self.listStorage[name]['index'] = -1
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return None
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currIndex = self.getCurrentIndex(name)
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if currIndex == -1:
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return None
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try:
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return self.listStorage[name]['list'][currIndex]
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except:
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return None
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