add bloom filter module

1 files changed, 110 insertions, 0 deletions

diff --git a/xmake/core/sandbox/modules/import/core/base/bloom_filter.lua b/xmake/core/sandbox/modules/import/core/base/bloom_filter.lua
new file mode 100644
index 000000000..3b4060a89
--- /dev/null
+++ b/xmake/core/sandbox/modules/import/core/base/bloom_filter.lua
@@ -0,0 +1,110 @@
+--!A cross-platform build utility based on Lua
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+--
+-- Copyright (C) 2015-present, TBOOX Open Source Group.
+--
+-- @author      ruki
+-- @file        bloom_filter.lua
+--
+
+-- load modules
+local utils        = require("base/utils")
+local bloom_filter = require("base/bloom_filter")
+local string       = require("base/string")
+local raise        = require("sandbox/modules/raise")
+
+-- define module
+local sandbox_core_base_bloom_filter            = sandbox_core_base_bloom_filter or {}
+local sandbox_core_base_bloom_filter_instance   = sandbox_core_base_bloom_filter_instance or {}
+
+-- wrap bloom_filter
+function _bloom_filter_wrap(filter)
+
+    -- hook bloom_filter interfaces
+    local hooked = {}
+    for name, func in pairs(sandbox_core_base_bloom_filter_instance) do
+        if not name:startswith("_") and type(func) == "function" then
+            hooked["_" .. name] = filter["_" .. name] or filter[name]
+            hooked[name] = func
+        end
+    end
+    for name, func in pairs(hooked) do
+        filter[name] = func
+    end
+    return filter
+end
+
+-- get bloom filter data
+function sandbox_core_base_bloom_filter_instance.data(filter)
+    local data, errors = filter:_data()
+    if not data and errors then
+        raise(errors)
+    end
+    return data
+end
+
+-- set bloom filter data
+function sandbox_core_base_bloom_filter_instance.data_set(filter, data)
+    local ok, errors = filter:_data_set(data)
+    if not ok and errors then
+        raise(errors)
+    end
+end
+
+-- set bloom filter item
+function sandbox_core_base_bloom_filter_instance.set(filter, item)
+    local ok, result_or_errors = filter:_set(item)
+    if not ok then
+        raise(result_or_errors)
+    end
+    return result_or_errors
+end
+
+-- get bloom filter item
+function sandbox_core_base_bloom_filter_instance.get(filter, item)
+    local ok, result_or_errors = filter:_get(item)
+    if not ok then
+        raise(result_or_errors)
+    end
+    return result_or_errors
+end
+
+-- clear bloom filter data
+function sandbox_core_base_bloom_filter_instance.clear(filter)
+    local ok, errors = filter:_clear()
+    if not ok then
+        raise(errors)
+    end
+end
+
+-- close bloom filter
+function sandbox_core_base_bloom_filter_instance.close(filter)
+    local ok, errors = filter:_close()
+    if not ok then
+        raise(errors)
+    end
+end
+
+-- new bloom filter
+function sandbox_core_base_bloom_filter.new(opt)
+    local filter, errors = bloom_filter.new(opt)
+    if not filter then
+        raise(errors)
+    end
+    return _bloom_filter_wrap(filter)
+end
+
+-- return module
+return sandbox_core_base_bloom_filter
+