webmcp

annotate framework/env/encode/url.lua @ 11:d76a8857ba62

Added ui.partial and other functions, which allow partial content replacement using XMLHttpRequests; Image support for ui.link

Also includes following changes:
- Fix for rocketcgi library to accept POST data content-types, which contain additional charset information.
- Support arrays passed as params to encode.url (only for keys ending with "[]")
- Version information changed to "1.0.7"

Documentation for added functions is not yet complete.
author jbe/bsw
date Fri Feb 12 18:40:22 2010 +0100 (2010-02-12)
parents 9fdfb27f8e67
children 3a6962b9121c
rev   line source
jbe/bsw@0 1 --[[--
jbe/bsw@0 2 url_string = -- a string containing an URL
jbe/bsw@0 3 encode.url{
jbe/bsw@0 4 external = external, -- external URL (instead of specifying base, module, etc. below)
jbe/bsw@0 5 base = base, -- optional string containing a base URL of a WebMCP application
jbe/bsw@0 6 static = static, -- an URL relative to the static file directory
jbe/bsw@0 7 module = module, -- a module name of the WebMCP application
jbe/bsw@0 8 view = view, -- a view name of the WebMCP application
jbe/bsw@0 9 action = action, -- an action name of the WebMCP application
jbe/bsw@0 10 id = id, -- optional id to be passed to the view or action to select a particular data record
jbe/bsw@0 11 params = params -- optional parameters to be passed to the view or action
jbe/bsw@0 12 }
jbe/bsw@0 13
jbe/bsw@0 14 This function creates URLs to external locations, to static files within the WebMCP application or to a certain view or action inside a module.
jbe/bsw@0 15
jbe/bsw@0 16 --]]--
jbe/bsw@0 17
jbe/bsw@0 18 function encode.url(args)
jbe/bsw@0 19 local external = args.external
jbe/bsw@0 20 local base = args.base or request.get_relative_baseurl()
jbe/bsw@0 21 local static = args.static
jbe/bsw@0 22 local module = args.module
jbe/bsw@0 23 local view = args.view
jbe/bsw@0 24 local action = args.action
jbe/bsw@0 25 local id = args.id
jbe/bsw@0 26 local params = args.params or {}
jbe/bsw@0 27 local result = {}
jbe/bsw@0 28 local id_as_param = false
jbe/bsw@0 29 local function add(...)
jbe/bsw@0 30 for i = 1, math.huge do
jbe/bsw@0 31 local v = select(i, ...)
jbe/bsw@0 32 if v == nil then break end
jbe/bsw@0 33 result[#result+1] = v
jbe/bsw@0 34 end
jbe/bsw@0 35 end
jbe/bsw@0 36 if external then
jbe/bsw@0 37 add(external)
jbe/bsw@0 38 else
jbe/bsw@0 39 add(base)
jbe/bsw@0 40 if not string.find(base, "/$") then
jbe/bsw@0 41 add("/")
jbe/bsw@0 42 end
jbe/bsw@0 43 if static then
jbe/bsw@0 44 add("static/")
jbe/bsw@0 45 add(static)
jbe/bsw@0 46 elseif module or view or action or id then
jbe/bsw@0 47 assert(module, "Module not specified.")
jbe/bsw@0 48 add(encode.url_part(module), "/")
jbe/bsw@0 49 if view and not action then
jbe/bsw@0 50 local view_base, view_suffix = string.match(
jbe/bsw@0 51 view,
jbe/bsw@0 52 "^([^.]*)(.*)$"
jbe/bsw@0 53 )
jbe/bsw@0 54 add(encode.url_part(view_base))
jbe/bsw@0 55 if args.id then
jbe/bsw@0 56 add("/", encode.url_part(id))
jbe/bsw@0 57 end
jbe/bsw@0 58 if view_suffix == "" then
jbe/bsw@0 59 add(".html")
jbe/bsw@0 60 else
jbe/bsw@0 61 add(view_suffix) -- view_suffix includes dot as first character
jbe/bsw@0 62 end
jbe/bsw@0 63 elseif action and not view then
jbe/bsw@0 64 add(encode.url_part(action))
jbe/bsw@0 65 id_as_param = true
jbe/bsw@0 66 elseif view and action then
jbe/bsw@0 67 error("Both a view and an action was specified.")
jbe/bsw@0 68 end
jbe/bsw@0 69 end
jbe/bsw@0 70 do
jbe/bsw@0 71 local new_params = request.get_perm_params()
jbe/bsw@0 72 for key, value in pairs(params) do
jbe/bsw@0 73 new_params[key] = value
jbe/bsw@0 74 end
jbe/bsw@0 75 params = new_params
jbe/bsw@0 76 end
jbe/bsw@0 77 end
jbe/bsw@0 78 if next(params) ~= nil or (id and id_as_param) then
jbe/bsw@0 79 add("?")
jbe/bsw@0 80 if id and id_as_param then
jbe/bsw@0 81 add("_webmcp_id=", encode.url_part(id), "&")
jbe/bsw@0 82 end
jbe/bsw@0 83 for key, value in pairs(params) do
jbe/bsw@11 84 -- TODO: better way to detect arrays?
jbe/bsw@11 85 if string.match(key, "%[%]$") then
jbe/bsw@11 86 for idx, entry in ipairs(value) do
jbe/bsw@11 87 add(encode.url_part(key), "=", encode.url_part(entry), "&")
jbe/bsw@11 88 end
jbe/bsw@11 89 else
jbe/bsw@11 90 add(encode.url_part(key), "=", encode.url_part(value), "&")
jbe/bsw@11 91 end
jbe/bsw@0 92 end
jbe/bsw@0 93 result[#result] = nil -- remove last '&' or '?'
jbe/bsw@0 94 end
jbe/bsw@0 95 return table.concat(result)
jbe/bsw@0 96 end

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