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-- libquvi-scripts v0.9.20131130
-- Copyright (C) 2012 Toni Gundogdu <legatvs@gmail.com>
--
-- This file is part of libquvi-scripts <http://quvi.sourceforge.net/>.
--
-- This program is free software: you can redistribute it and/or
-- modify it under the terms of the GNU Affero General Public
-- License as published by the Free Software Foundation, either
-- version 3 of the License, or (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU Affero General Public License for more details.
--
-- You should have received a copy of the GNU Affero General
-- Public License along with this program. If not, see
-- <http://www.gnu.org/licenses/>.
--
--
-- NOTE: These are helper functions to be used with lua-expat (lxp)
--
local M = {}
--
-- Find first element with the matching tag.
--
-- Returns: The matching table element.
--
function M.find_first_tag(t, tag)
for i=1, #t do
if t[i].tag == tag then
return t[i]
end
end
error("[find_first_tag] no match: tag=" .. tag)
end
--[[
function M.foo()
local xml = '<foo><bar>baz</bar></foo>'
require 'lxp.lom'
local t = lxp.lom.parse(xml)
local e = M.find_first_tag(t, 'bar')
if e[1] ~= 'baz' then error('should be "baz"') end
end
M.foo()
]]--
return M
-- vim: set ts=2 sw=2 tw=72 expandtab:
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