55 lines
1.4 KiB
Lua
55 lines
1.4 KiB
Lua
local gui_util = {
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local_dispatchers = {}
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}
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--- Parse `pagename?arg1=value1&arg2=value2` queries
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--- @param query page query string
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--- @return page_name, args_table
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function gui_util.parse_query(query)
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local args = {}
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local name
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local index = string.find(query, '?')
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if index then
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local argstr = string.sub(query, index + 1)
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name = string.sub(query, 1, index - 1)
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for key, value in string.gmatch(argstr, "([^=&]*)=([^&]*)") do
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args[key] = value
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end
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else
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name = query
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end
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return name, args
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end
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--- @param query page query string
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--- @return document_id
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function gui_util.load_page(query)
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local name, args = gui_util.parse_query(query)
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for i = #gui_util.local_dispatchers, 1, -1 do
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local newname, newargs = gui_util.local_dispatchers[i](name, args)
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name = newname or name
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args = newargs or args
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end
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local filename = file.find(string.format("layouts/pages/%s.xml", name))
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if filename then
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name = file.prefix(filename)..":pages/"..name
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gui.load_document(filename, name, args)
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return name
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end
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end
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function gui_util.add_page_dispatcher(dispatcher)
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if type(dispatcher) ~= "function" then
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error("function expected")
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end
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table.insert(gui_util.local_dispatchers, dispatcher)
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end
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function gui_util.reset_local()
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gui_util.local_dispatchers = {}
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end
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return gui_util
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