1 files changed, 98 insertions, 0 deletions
diff --git a/script/plugin.lua b/script/plugin.lua
new file mode 100644
index 00000000..eba224d6
--- /dev/null
+++ b/script/plugin.lua
@@ -0,0 +1,98 @@
+local fs        = require 'bee.filesystem'
+local rpc       = require 'rpc'
+local config    = require 'config'
+local glob      = require 'glob'
+local platform  = require 'bee.platform'
+local sandbox   = require 'sandbox'
+
+local Plugins
+
+local function showError(msg)
+    local traceback = log.error(msg)
+    rpc:notify('window/showMessage', {
+        type = 3,
+        message = traceback,
+    })
+    return traceback
+end
+
+local function showWarn(msg)
+    log.warn(msg)
+    rpc:notify('window/showMessage', {
+        type = 3,
+        message = msg,
+    })
+    return msg
+end
+
+local function scan(path, callback)
+    if fs.is_directory(path) then
+        for p in path:list_directory() do
+            scan(p, callback)
+        end
+    else
+        callback(path)
+    end
+end
+
+local function loadPluginFrom(path, root)
+    log.info('Load plugin from:', path:string())
+    local env = setmetatable({}, { __index = _G })
+    sandbox(path:filename():string(), root:string(), io.open, package.loaded, env)
+    Plugins[#Plugins+1] = env
+end
+
+local function load(workspace)
+    Plugins = nil
+
+    if not config.config.plugin.enable then
+        return
+    end
+    local suc, path = xpcall(fs.path, showWarn, config.config.plugin.path)
+    if not suc then
+        return
+    end
+
+    Plugins = {}
+    local pluginPath
+    if workspace then
+        pluginPath = fs.absolute(workspace.root / path)
+    else
+        pluginPath = fs.absolute(path)
+    end
+    if not fs.is_directory(pluginPath) then
+        pluginPath = pluginPath:parent_path()
+    end
+
+    local pattern = {config.config.plugin.path}
+    local options = {
+        ignoreCase = platform.OS == 'Windows'
+    }
+    local parser = glob.glob(pattern, options)
+
+    scan(pluginPath:parent_path(), function (filePath)
+        if parser(filePath:string()) then
+            loadPluginFrom(filePath, pluginPath)
+        end
+    end)
+end
+
+local function call(name, ...)
+    if not Plugins then
+        return nil
+    end
+    for _, plugin in ipairs(Plugins) do
+        if type(plugin[name]) == 'function' then
+            local suc, res = xpcall(plugin[name], showError, ...)
+            if suc and res ~= nil then
+                return res
+            end
+        end
+    end
+    return nil
+end
+
+return {
+    load = load,
+    call = call,
+}