summaryrefslogtreecommitdiffstats
path: root/flisthash.py
diff options
context:
space:
mode:
authorJérémy Zurcher <jeremy@asynk.ch>2012-04-13 21:07:42 +0200
committerJérémy Zurcher <jeremy@asynk.ch>2012-04-13 21:07:42 +0200
commita62cb4e37d008d47480cdd6c25d928044b8afe31 (patch)
treef16e0109caf00d8989d56e2e5392851117db8814 /flisthash.py
downloadpyevenja-a62cb4e37d008d47480cdd6c25d928044b8afe31.zip
pyevenja-a62cb4e37d008d47480cdd6c25d928044b8afe31.tar.gz
initial commit, old code from ~2007
Diffstat (limited to 'flisthash.py')
-rw-r--r--flisthash.py133
1 files changed, 133 insertions, 0 deletions
diff --git a/flisthash.py b/flisthash.py
new file mode 100644
index 0000000..345cac4
--- /dev/null
+++ b/flisthash.py
@@ -0,0 +1,133 @@
+#/***************************************************************************
+# flisthash.h
+# -----------
+# begin : sam nov 2 2002
+# copyright : (C) 1992-2004 by Fabian Padilla
+# email : fp@bridgethink.com
+# ***************************************************************************/
+
+# /***************************************************************************
+# * *
+# * This program is free software; you can redistribute it and/or modify *
+# * it under the terms of the Foundation Public License as published by *
+# * bridgethink sarl; either version 2 of the License, or *
+# * (at your option) any later version. *
+# * *
+# ***************************************************************************/
+
+#
+# from C++ to python by Jeremy Zurcher <jeremy@asynk.ch>
+#
+
+# TODO it could maybe be a D={}, sounds faster and easier....
+
+"""/** Special list that manage the link between Hash value and the evenData pointer.
+
+ function : maintain a list of SINGLE FstringHash ( single is define by HashValue)
+
+ description :
+ - search : search for an existing FstringHash with the same hashValue
+ - addOrGet and addOrRemove only add methods available. Then only single hashValue exist.
+
+ *@author Fabian Padilla
+ */"""
+
+__all__ = ["FlistHash"]
+
+from flist import Flist
+from fstringhash import FstringHash
+
+class FlistHash(Flist):
+ """ This class is a wrapper arounf the flist class, providing some search capabilities"""
+
+ def __init__(self):
+ Flist.__init__(self) # force constructor
+
+ def __str__(self):
+ return "\t"+Flist.__str__(self)+\
+ "FlistHash - (null)\n"
+
+ #def SearchPos(self,fstringHash):
+ # """/** Search the position of the stringhash name.
+ # Return the position in the list or None if not found. */"""
+ # ret = None
+ # print self.L
+ # for I in self.L:
+ # if I.equals(fstringHash):
+ # return self.L.index(I)
+ # return ret
+
+
+ def Search(self,fstringHash):
+ """/** Search if same name (stringhash) exist */"""
+ for I in self.L:
+ if I.equals(fstringHash):
+ return I
+ return None
+
+ def addOrGet(self,fstringHash):
+ """/** If the same name exist in the list then get it from the list.
+ If not, add stringhash in the list then return None. */"""
+ pos = self.Search(fstringHash)
+ if pos <> None:
+ return pos
+ self.add(fstringHash)
+ return None
+
+ def addOrRemove(self,fstringHash):
+ """/** If the same name exist in the list, then removes and return it.
+ If not, then add to the list and return None. */"""
+ pos = self.Search(fstringHash)
+ if pos <> None:
+ self.L.remove(pos)
+ return pos
+ self.add(fstringHash)
+ return None
+
+
+if __name__ == '__main__':
+
+ import unittest
+ from OSconfig import START_ELEMENTS
+
+ List = FlistHash()
+
+ str=[FstringHash(),FstringHash(),FstringHash(),FstringHash(),FstringHash()]
+ STR=["TEST", "TEST1", "TEST", "TEST1", "TEST2"]
+ str[0].setString(STR[0])
+ str[1].setString(STR[1])
+ str[2].setString(STR[2])
+ str[3].setString(STR[3])
+ str[4].setString(STR[4])
+
+ class FlistHashTestCase(unittest.TestCase):
+
+ def test1HashAddOrGet(self):
+ self.assertEquals(List.addOrGet(str[0]),None)
+ self.assertEquals(List.addOrGet(str[1]),None)
+ self.assertEquals(List.addOrGet(str[2]).equals(str[2]),True)
+ self.assertEquals(List.addOrGet(str[3]).equals(str[3]),True)
+ self.assertEquals(List.addOrGet(str[4]),None)
+
+ def test2HashAddOrRemove(self):
+ self.assertEquals(List.addOrRemove(str[0]).equals(str[0]),True)
+ self.assertEquals(List.addOrRemove(str[1]).equals(str[1]),True)
+ self.assertEquals(List.addOrRemove(str[2]),None)
+ self.assertEquals(List.addOrRemove(str[3]),None)
+ self.assertEquals(List.addOrRemove(str[4]).equals(str[4]),True)
+ self.assertEquals(List.addOrRemove(str[2]).equals(str[2]),True)
+ self.assertEquals(List.addOrRemove(str[3]).equals(str[3]),True)
+
+ def test3HashSearch(self):
+ for I in range (START_ELEMENTS+10):
+ buffer = "TEST%d"%I
+ str1 = FstringHash()
+ str1.setString(buffer)
+ self.assertEquals(List.addOrGet( str1),None)
+ buffer = "TEST%d"%(START_ELEMENTS-10)
+ str1 = FstringHash()
+ str1.setString(buffer)
+ self.assertEquals(List.Search(str1).getString(),"TEST%d"%(START_ELEMENTS-10))
+
+
+ unittest.main()