impl memcache

1 files changed, 78 insertions, 0 deletions

diff --git a/xmake/core/cache/memcache.lua b/xmake/core/cache/memcache.lua
index 693c5b52d..36e462569 100644
--- a/xmake/core/cache/memcache.lua
+++ b/xmake/core/cache/memcache.lua
@@ -27,9 +27,87 @@ local table = require("base/table")
 -- new an instance
 function _instance.new(name)
     local instance = table.inherit(_instance)
+    instance._NAME = name
+    instance._ITEMS = {}
     return instance
 end
 
+-- get cache name
+function _instance:name()
+    return self._NAME
+end
+
+-- get all cached items
+function _instance:items()
+    return self._ITEMS
+end
+
+-- get cache item value
+function _instance:get(name)
+    return self._ITEMS[name]
+end
+
+-- set cache item value
+function _instance:set(name, value)
+    self._ITEMS[name] = value
+end
+
+-- clear cache items
+function _instance:clear()
+    self._ITEMS = {}
+end
+
+-- get cache instance
+function memcache.cache(cachename)
+    local caches = memcache._CACHES
+    if not caches then
+        caches = {}
+        memcache._CACHES = caches
+    end
+    local instance = caches[cachename]
+    if not instance then
+        instance = _instance.new(cachename)
+        caches[cachename] = instance
+    end
+    return instance
+end
+
+-- get all caches
+function memcache.caches()
+    return memcache._CACHES
+end
+
+-- get cache item value
+function memcache.get(cachename, name)
+    return memcache.cache(cachename):get(name)
+end
+
+-- set cache item value
+function memcache.set(cachename, name, value)
+    return memcache.cache(cachename):set(name, value)
+end
+
+-- clear caches of the given scope name, it will clear all caches if pattern is nil
+--
+-- @code
+-- memcache.clear() -- clear all caches
+-- memcache.clear("cachescope.") -- clear caches with `cachescope.*`
+-- @endcode
+--
+function memcache.clear(scopename)
+    local caches = memcache.caches()
+    if caches then
+        for _, cache in pairs(caches) do
+            if scopename then
+                if cache:startswith(scopename) then
+                    cache:clear()
+                end
+            else
+                cache:clear()
+            end
+        end
+    end
+end
 
 -- return module: memcache
 return memcache