1 files changed, 194 insertions, 0 deletions
diff --git a/script/config.lua b/script/config.lua
new file mode 100644
index 00000000..f58df498
--- /dev/null
+++ b/script/config.lua
@@ -0,0 +1,194 @@
+local DiagnosticDefaultSeverity = require 'constant.DiagnosticDefaultSeverity'
+
+local function Boolean(v)
+    if type(v) == 'boolean' then
+        return true, v
+    end
+    return false
+end
+
+local function Integer(v)
+    if type(v) == 'number' then
+        return true, math.floor(v)
+    end
+    return false
+end
+
+local function String(v)
+    return true, tostring(v)
+end
+
+local function Str2Hash(sep)
+    return function (v)
+        if type(v) == 'string' then
+            local t = {}
+            for s in v:gmatch('[^'..sep..']+') do
+                t[s] = true
+            end
+            return true, t
+        end
+        if type(v) == 'table' then
+            local t = {}
+            for _, s in ipairs(v) do
+                if type(s) == 'string' then
+                    t[s] = true
+                end
+            end
+            return true, t
+        end
+        return false
+    end
+end
+
+local function Array(checker)
+    return function (tbl)
+        if type(tbl) ~= 'table' then
+            return false
+        end
+        local t = {}
+        for _, v in ipairs(tbl) do
+            local ok, result = checker(v)
+            if ok then
+                t[#t+1] = result
+            end
+        end
+        return true, t
+    end
+end
+
+local function Hash(keyChecker, valueChecker)
+    return function (tbl)
+        if type(tbl) ~= 'table' then
+            return false
+        end
+        local t = {}
+        for k, v in pairs(tbl) do
+            local ok1, key = keyChecker(k)
+            local ok2, value = valueChecker(v)
+            if ok1 and ok2 then
+                t[key] = value
+            end
+        end
+        if not next(t) then
+            return false
+        end
+        return true, t
+    end
+end
+
+local function Or(...)
+    local checkers = {...}
+    return function (obj)
+        for _, checker in ipairs(checkers) do
+            local suc, res = checker(obj)
+            if suc then
+                return true, res
+            end
+        end
+        return false
+    end
+end
+
+local ConfigTemplate = {
+    runtime = {
+        version         = {'Lua 5.3', String},
+        library         = {{},        Str2Hash ';'},
+        path            = {{
+                                "?.lua",
+                                "?/init.lua",
+                                "?/?.lua"
+                            },        Array(String)},
+    },
+    diagnostics = {
+        enable          = {true, Boolean},
+        globals         = {{},   Str2Hash ';'},
+        disable         = {{},   Str2Hash ';'},
+        severity        = {
+            table.deepCopy(DiagnosticDefaultSeverity),
+            Hash(String, String),
+        },
+    },
+    workspace = {
+        ignoreDir       = {{},      Str2Hash ';'},
+        ignoreSubmodules= {true,    Boolean},
+        useGitIgnore    = {true,    Boolean},
+        maxPreload      = {300,     Integer},
+        preloadFileSize = {100,     Integer},
+        library         = {{},      Hash(
+                                        String,
+                                        Or(Boolean, Array(String))
+                                    )}
+    },
+    completion = {
+        enable          = {true,   Boolean},
+        callSnippet     = {'Both', String},
+        keywordSnippet  = {'Both', String},
+    },
+    plugin = {
+        enable          = {false, Boolean},
+        path            = {'.vscode/lua-plugin/*.lua', String},
+    },
+}
+
+local OtherTemplate = {
+    associations = {{}, Hash(String, String)},
+    exclude =      {{}, Hash(String, Boolean)},
+}
+
+local Config, Other
+
+local function init()
+    if Config then
+        return
+    end
+
+    Config = {}
+    for c, t in pairs(ConfigTemplate) do
+        Config[c] = {}
+        for k, info in pairs(t) do
+            Config[c][k] = info[1]
+        end
+    end
+
+    Other = {}
+    for k, info in pairs(OtherTemplate) do
+        Other[k] = info[1]
+    end
+end
+
+local function setConfig(self, config, other)
+    xpcall(function ()
+        for c, t in pairs(config) do
+            for k, v in pairs(t) do
+                local region = ConfigTemplate[c]
+                if region then
+                    local info = region[k]
+                    local suc, v = info[2](v)
+                    if suc then
+                        Config[c][k] = v
+                    else
+                        Config[c][k] = info[1]
+                    end
+                end
+            end
+        end
+        for k, v in pairs(other) do
+            local info = OtherTemplate[k]
+            local suc, v = info[2](v)
+            if suc then
+                Other[k] = v
+            else
+                Other[k] = info[1]
+            end
+        end
+        log.debug('Config update: ', table.dump(Config), table.dump(Other))
+    end, log.error)
+end
+
+init()
+
+return {
+    setConfig = setConfig,
+    config = Config,
+    other = Other,
+}