build config

1 files changed, 99 insertions, 0 deletions

diff --git a/tools/configuration.lua b/tools/configuration.lua
new file mode 100644
index 00000000..8d7cac5d
--- /dev/null
+++ b/tools/configuration.lua
@@ -0,0 +1,99 @@
+local json     = require 'json'
+local template = require 'config.template'
+
+local function getType(temp)
+    if temp.name == 'Boolean' then
+        return 'boolean'
+    end
+    if temp.name == 'String' then
+        return 'string'
+    end
+    if temp.name == 'Integer' then
+        return 'integer'
+    end
+    if temp.name == 'Nil' then
+        return 'null'
+    end
+    if temp.name == 'Array' then
+        return 'array'
+    end
+    if temp.name == 'Hash' then
+        return 'object'
+    end
+    if temp.name == 'Or' then
+        return { getType(temp.subs[1]), getType(temp.subs[2]) }
+    end
+    error('Unknown type: ' .. temp.name)
+end
+
+local function getDefault(temp)
+    local default = temp.default
+    if default == nil and temp.hasDefault then
+        default = json.null
+    end
+    return default
+end
+
+local function getEnum(temp)
+    return temp.enums
+end
+
+local function getEnumDesc(name, temp)
+    if not temp.enums then
+        return nil
+    end
+    local descs = {}
+
+    for _, enum in ipairs(temp.enums) do
+        descs[#descs+1] = name:gsub('^Lua', '%%config') .. '.' .. enum .. '%'
+    end
+
+    return descs
+end
+
+local function insertArray(conf, temp)
+    conf.items = {
+        type = getType(temp.sub),
+    }
+end
+
+local function insertHash(conf, temp)
+    conf.additionalProperties = false
+    if not temp.subkey.enums then
+        if  temp.subvalue.enums then
+            conf.patternProperties = {
+                ['.*'] = {
+                    type    = getType( temp.subvalue),
+                    default = getDefault( temp.subvalue),
+                    enum    = getEnum( temp.subvalue),
+                }
+            }
+        end
+    end
+end
+
+local config = {}
+
+for name, temp in pairs(template) do
+    config[name] = {
+        scope   = 'resource',
+        type    = getType(temp),
+        default = getDefault(temp),
+        enum    = getEnum(temp),
+
+        markdownDescription      = name:gsub('^Lua', '%%config') .. '%',
+        markdownEnumDescriptions = getEnumDesc(name, temp),
+    }
+
+    if temp.name == 'Array' then
+        insertArray(config[name], temp)
+    end
+
+    if temp.name == 'Hash' then
+        insertHash(config[name], temp)
+    end
+end
+
+config['Lua.telemetry.enable'].tags = { 'telemetry' }
+
+return config