Manuel Simon Hirsig
92 lines
2.4 KiB
Lua
92 lines
2.4 KiB
Lua
module 'aux.util.persistence'
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include 'green_t'
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include 'aux'
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include 'aux.util'
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include 'aux.control'
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include 'aux.util.color'
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aux_datasets = t
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do
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local dataset
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function public.dataset.get()
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if not dataset then
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local dataset_key = format('%s|%s', GetCVar'realmName', UnitFactionGroup'player')
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dataset = aux_datasets[dataset_key] or t
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aux_datasets[dataset_key] = dataset
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end
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return dataset
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end
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end
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function public.read(schema, str)
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if schema == 'string' then
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return str
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elseif schema == 'boolean' then
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return str == '1'
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elseif schema == 'number' then
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return tonumber(str)
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elseif type(schema) == 'table' and schema[1] == 'list' then
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return read_list(schema, str)
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elseif type(schema) == 'table' and schema[1] == 'record' then
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return read_record(schema, str)
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else
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error('Invalid schema.', 2)
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end
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end
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function public.write(schema, obj)
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if schema == 'string' then
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return obj or ''
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elseif schema == 'boolean' then
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return obj and '1' or '0'
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elseif schema == 'number' then
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return obj and tostring(obj) or ''
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elseif type(schema) == 'table' and schema[1] == 'list' then
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return write_list(schema, obj)
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elseif type(schema) == 'table' and schema[1] == 'record' then
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return write_record(schema, obj)
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else
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error('Invalid schema.', 2)
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end
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end
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function public.read_list(schema, str)
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if str == '' then return t end
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local separator = schema[2]
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local element_type = schema[3]
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return map(split(str, separator), function(part)
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return read(element_type, part)
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end)
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end
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function public.write_list(schema, list)
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local separator = schema[2]
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local element_type = schema[3]
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local parts = map(copy(list), function(element)
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return write(element_type, element)
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end)
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return join(parts, separator)
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end
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function public.read_record(schema, str)
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local separator = schema[2]
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local record = t
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local parts = split(str, separator)
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for i = 3, getn(schema) do
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local key, type = next(schema[i])
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record[key] = read(type, parts[i - 2])
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end
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return record
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end
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function public.write_record(schema, record)
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local separator = schema[2]
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local parts = tt
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for i = 3 , getn(schema) do
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local key, type = next(schema[i])
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tinsert(parts, write(type, record[key]))
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end
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return join(parts, separator)
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end |