-- --
-- --------------------------------------------------------------------------------
-- --  FILE:  text_format.lua
-- --  DESCRIPTION:  protoc-gen-lua
-- --      Google's Protocol Buffers project, ported to lua.
-- --      https://code.google.com/p/protoc-gen-lua/
-- --
-- --      Copyright (c) 2010 , 林卓毅 (Zhuoyi Lin) netsnail@gmail.com
-- --      All rights reserved.
-- --
-- --      Use, modification and distribution are subject to the "New BSD License"
-- --      as listed at <url: http://www.opensource.org/licenses/bsd-license.php >.
-- --  COMPANY:  NetEase
-- --  CREATED:  2010年08月05日 15时14分13秒 CST
-- --------------------------------------------------------------------------------
-- --
-- local string = string
-- local math = math
-- local print = print
-- local getmetatable = getmetatable
-- local table = table
-- local ipairs = ipairs
-- local tostring = tostring

-- local descriptor = require "protobuf.descriptor"

-- module "protobuf.text_format"

-- function format(buffer)
--     local len = string.len( buffer )	
--     for i = 1, len, 16 do		
--         local text = ""	
--         for j = i, math.min( i + 16 - 1, len ) do	
--             text = string.format( "%s  %02x", text, string.byte( buffer, j ) )			
--         end			
--         print( text )	
--     end
-- end

-- local FieldDescriptor = descriptor.FieldDescriptor

-- msg_format_indent = function(write, msg, indent)
--     for field, value in msg:ListFields() do
--         local print_field = function(field_value)
--             local name = field.name
--             write(string.rep(" ", indent))
--             if field.type == FieldDescriptor.TYPE_MESSAGE then
--                 local extensions = getmetatable(msg)._extensions_by_name
--                 if extensions[field.full_name] then
--                     write("[" .. name .. "] {\n")
--                 else
--                     write(name .. " {\n")
--                 end
--                 msg_format_indent(write, field_value, indent + 4)
--                 write(string.rep(" ", indent))
--                 write("}\n")
--             else
--                 write(string.format("%s: %s\n", name, tostring(field_value)))
--             end
--         end
--         if field.label == FieldDescriptor.LABEL_REPEATED then
--             for _, k in ipairs(value) do
--                 print_field(k)
--             end
--         else
--             print_field(value)
--         end
--     end
-- end

-- function msg_format(msg)
--     local out = {}
--     local write = function(value)
--         out[#out + 1] = value
--     end
--     msg_format_indent(write, msg, 0)
--     return table.concat(out)
-- end