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Assets/trCRM/upgradeRes4Dev/priority/lua/public/CLLStack.lua

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+--
+-- Date: 2014-11-19 15:29:02
+--
+
+require("public.class")
+---@class CLLStack
+CLLStack = class("CLLStack")
+
+local remove = table.remove
+function CLLStack:ctor()
+    self.stack_table = {}
+end
+
+function CLLStack:push(element)
+    local size = self:size()
+    self.stack_table[size + 1] = element
+end
+
+function CLLStack:pop()
+    local size = self:size()
+    if self:isEmpty() then
+        print("Error: CLLStack is empty!")
+        return
+    end
+    return remove(self.stack_table,size)
+end
+
+function CLLStack:top()
+    local size = self:size()
+    if self:isEmpty() then
+        print("Error: CLLStack is empty!")
+        return
+    end
+    return self.stack_table[size]
+end
+
+function CLLStack:contains(obj)
+    if self:isEmpty() then
+        return false
+    end
+    for i, v in pairs(self.stack_table) do
+        if v == obj then
+            return true
+        end
+    end
+    return false
+end
+
+function CLLStack:isEmpty()
+    local size = self:size()
+    if size == 0 then
+        return true
+    end
+    return false
+end
+
+function CLLStack:size()
+    return #(self.stack_table) or 0
+end
+
+function CLLStack:clear()
+    -- body
+    self.stack_table = nil
+    self.stack_table = {}
+end
+
+function CLLStack:printElement()
+    local size = self:size()
+
+    if self:isEmpty() then
+        print("Error: CLLStack is empty!")
+        return
+    end
+
+    local str = "{"..self.stack_table[size]
+    size = size - 1
+    while size > 0 do
+        str = str..", "..self.stack_table[size]
+        size = size - 1
+    end
+    str = str.."}"
+    print(str)
+end
+
+
+return CLLStack