docs: describe functionality used in the dnsmasq modulev0.5.0

1 files changed, 21 insertions, 7 deletions

diff --git a/aconf/model/model.lua b/aconf/model/model.lua
index 3ffd4d3..20e2551 100644
--- a/aconf/model/model.lua
+++ b/aconf/model/model.lua
@@ -67,13 +67,15 @@ function M.Action:meta(context)
 end
 
 
---- create a new model. The model's fields can be defined after its
--- creation by assigning it key–value pairs. The key will be the
--- name of the field and the value will determine its type. The value
--- shall be a subclass of @{Field}, an instance of such, or a subclass
--- of Model.
--- @tparam ?Model base base model inherited by the new model
--- @treturn Model new model
+--- create a new model, representing a data model with a pre-defined
+-- structure. The model's fields can be defined by assigning it
+-- key–value pairs. The key will be the name of the field and
+-- the value will determine its type. The value shall be a subclass of
+-- @{Field}, an instance of such, or another **<Model>**.
+-- @function new
+-- @param base (optional <i>**&lt;Model&gt;**</i>) base model
+-- inherited by the new model.
+-- @return <i>**&lt;Model&gt;**</i> new model
 function M.new(base)
    if not base then base = M.Model end
 
@@ -106,6 +108,9 @@ function M.new(base)
    return res
 end
 
+--- Model objects. Each of these represents an actual model
+-- object in the data model, in the context of a specific transaction.
+-- @section Model
 M.Model = M.new(node.TreeNode)
 
 function M.Model:init(context)
@@ -243,6 +248,15 @@ function M.Model:init(context)
    for _, f in ipairs(_members(Model)) do tload(f.name) end
 end
 
+--- fetch an object in the context of the model object's transaction.
+-- @function Model:fetch
+-- @tparam string path path of the object to fetch. A path relative to
+-- the model object's own path may be used.
+-- @return (<i>**primitive**</i> or <i>@{node.TreeNode}</i>) fetched
+-- object. An instance of @{node.TreeNode} represents a non-leaf
+-- object in the data model, in the context of a specific
+-- transaction. Model objects themselves are a special case of such
+-- objects.
 function M.Model:fetch(path, create)
    return getmetatable(self).fetch(path, create)
 end