replaces namespace fenrir with fenrirscreenreader

src/fenrirscreenreader/core/memoryManager.py

@@ -0,0 +1,123 @@
+#!/bin/python
+# -*- coding: utf-8 -*-
+
+# Fenrir TTY screen reader
+# By Chrys, Storm Dragon, and contributers.
+
+import time
+from fenrirscreenreader.core import debug
+
+class memoryManager():
+    def __init__(self):
+        self.listStorage = {}
+    def initialize(self, environment):
+        self.env = environment
+    def shutdown(self):
+        pass
+    def listStorageValid(self,name, checkIndex = False):
+        try:
+            if checkIndex:
+                index = self.listStorage[name]['index']
+                if index == -1:
+                    return self.listStorage[name]['list'] == []        
+                return self.listStorage[name]['list'][index] != None
+            else:
+                return isinstance(self.listStorage[name]['list'],list)
+        except Exception as e:
+            self.env['runtime']['debug'].writeDebugOut("listStorageValid " + str(e),debug.debugLevel.ERROR)
+        return False                    
+    def addValueToFirstIndex(self, name, value):
+        if not self.listStorageValid(name):
+            return
+        if self.listStorage[name]['maxLength'] == None:
+            self.listStorage[name]['list'] = [value] + self.listStorage[name]['list']
+        else:        
+            self.listStorage[name]['list'] = [value] + self.listStorage[name]['list'][:self.listStorage[name]['maxLength'] -1]
+        self.listStorage[name]['index'] = 0
+    def addIndexList(self, name, maxLength = None, currList = [], currIndex = -1):
+        if len(currList) != 0 and (currIndex == -1):
+            currIndex = 0
+        self.listStorage[name] = {'list': currList, 'index': currIndex, 'maxLength': maxLength}
+    def isLastIndex(self, name):
+        if not self.listStorageValid(name):
+            return False    
+        return self.listStorage[name]['index'] == len(self.listStorage[name]['list']) - 1
+    def isFirstIndex(self, name):
+        if not self.listStorageValid(name):
+            return False       
+        return self.listStorage[name]['index'] == 0 
+    def getNextIndex(self, name):
+        if not self.listStorageValid(name):
+            return False      
+        if self.isIndexListEmpty(name):
+            self.listStorage[name]['index'] = -1
+            return False
+        self.listStorage[name]['index'] += 1
+        if self.listStorage[name]['index'] > len(self.listStorage[name]['list']) -1:
+            self.listStorage[name]['index'] = 0
+        return True    
+    def setPrefIndex(self, name):
+        if not self.listStorageValid(name):
+            return False     
+        if self.isIndexListEmpty(name):
+            self.listStorage[name]['index'] = -1
+            return False
+        self.listStorage[name]['index'] -= 1
+        if self.listStorage[name]['index'] < 0:
+            self.listStorage[name]['index'] = len(self.listStorage[name]['list']) -1
+        return True
+    def setFirstIndex(self, name):
+        if not self.listStorageValid(name):
+            return False    
+        if self.isIndexListEmpty(name):
+            self.listStorage[name]['index'] = -1
+            return False
+        self.listStorage[name]['index'] = 0
+        return True
+    def getIndexListLen(self, name):
+        if not self.listStorageValid(name):
+            return 0      
+        if self.isIndexListEmpty(name):
+            self.listStorage[name]['index'] = -1
+            return 0          
+        return len(self.listStorage[name])
+    def setLastIndex(self, name):
+        if not self.listStorageValid(name):
+            return False      
+        if self.isIndexListEmpty(name):
+            self.listStorage[name]['index'] = -1
+            return False
+        self.listStorage[name]['index'] = len(self.listStorage[name]['list']) -1 
+        return True  
+    def clearCurrentIndexList(self, name):
+        if not self.listStorageValid(name):
+            return False      
+        self.listStorage[name]['index'] = []
+        self.listStorage[name]['index'] = -1
+    def getCurrentIndex(self,name):
+        if not self.listStorageValid(name):
+            return False    
+        if self.isIndexListEmpty(name):
+            self.listStorage[name]['index'] = -1
+            return False        
+        try:        
+            return self.listStorage[name]['index']    
+        except:
+            retrun -1
+    def isIndexListEmpty(self, name):
+        if not self.listStorageValid(name):
+            return False      
+        return len(self.listStorage[name]['list']) == 0
+    def getIndexListElement(self, name):
+        if not self.listStorageValid(name):
+            return None    
+        if self.isIndexListEmpty(name):
+            self.listStorage[name]['index'] = -1
+            return None        
+        currIndex = self.getCurrentIndex(name)
+        if currIndex == -1:
+            return None
+        try:       
+            return self.listStorage[name]['list'][currIndex]
+        except:
+            return None