author | Matthew Wild <mwild1@gmail.com> |
Wed, 03 Dec 2008 20:00:17 +0000 | |
changeset 537 | c157c1412bda |
parent 519 | cccd610a0ef9 |
permissions | -rw-r--r-- |
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-- Prosody IM v0.1 |
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-- Copyright (C) 2008 Matthew Wild |
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-- Copyright (C) 2008 Waqas Hussain |
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-- |
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-- This program is free software; you can redistribute it and/or |
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-- modify it under the terms of the GNU General Public License |
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-- as published by the Free Software Foundation; either version 2 |
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-- of the License, or (at your option) any later version. |
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-- |
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-- This program is distributed in the hope that it will be useful, |
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of |
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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-- GNU General Public License for more details. |
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-- |
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-- You should have received a copy of the GNU General Public License |
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-- along with this program; if not, write to the Free Software |
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-- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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-- |
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local indent = function(i) |
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return string.rep("\t", i); |
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end |
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local function basicSerialize (o) |
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if type(o) == "number" or type(o) == "boolean" then |
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return tostring(o); |
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else -- assume it is a string -- FIXME make sure it's a string. throw an error otherwise. |
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return (string.format("%q", tostring(o)):gsub("\\\n", "\\n")); |
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end |
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end |
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local function _simplesave (o, ind, t) |
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if type(o) == "number" then |
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table.insert(t, tostring(o)); |
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elseif type(o) == "string" then |
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table.insert(t, (string.format("%q", o):gsub("\\\n", "\\n"))); |
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elseif type(o) == "table" then |
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table.insert(t, "{\n"); |
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for k,v in pairs(o) do |
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table.insert(t, indent(ind)); |
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table.insert(t, "["); |
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table.insert(t, basicSerialize(k)); |
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table.insert(t, "] = "); |
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_simplesave(v, ind+1, t); |
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table.insert(t, ",\n"); |
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end |
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table.insert(t, indent(ind-1)); |
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table.insert(t, "}"); |
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elseif type(o) == "boolean" then |
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table.insert(t, (o and "true" or "false")); |
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else |
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error("cannot serialize a " .. type(o)) |
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end |
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end |
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local t_concat = table.concat; |
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module "serialize" |
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function serialize(o) |
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local t = {}; |
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_simplesave(o, 1, t); |
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return t_concat(t); |
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end |
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return _M; |