55 lines
1.4 KiB
Lua
55 lines
1.4 KiB
Lua
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function parseargs(s)
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local arg = {}
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string.gsub(s, "(%w+)=([\"'])(.-)%2", function (w, _, a)
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arg[w] = a
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end)
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return arg
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end
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function collect(s)
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local stack = {}
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local top = {}
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table.insert(stack, top)
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local ni,c,label,xarg, empty
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local i, j = 1, 1
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while true do
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ni,j,c,label,xarg, empty = string.find(s, "<(%/?)([%w:%-]+)(.-)(%/?)>", i)
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if not ni then break end
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local text = string.sub(s, i, ni-1)
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if not string.find(text, "^%s*$") then
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table.insert(top, text)
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end
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if empty == "/" then -- empty element tag
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table.insert(top, {label=label, xarg=parseargs(xarg), empty=1})
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elseif c == "" then -- start tag
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top = {label=label, xarg=parseargs(xarg)}
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table.insert(stack, top) -- new level
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else -- end tag
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local toclose = table.remove(stack) -- remove top
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top = stack[#stack]
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if #stack < 1 then
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error("nothing to close with "..label)
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end
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if toclose.label ~= label then
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error("trying to close "..toclose.label.." with "..label)
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end
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table.insert(top, toclose)
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end
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i = j+1
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end
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local text = string.sub(s, i)
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if not string.find(text, "^%s*$") then
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table.insert(stack[#stack], text)
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end
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if #stack > 1 then
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error("unclosed "..stack[#stack].label)
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end
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return stack[1]
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end
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function parseXmlFile(path)
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local f, e = io.open(path, "r")
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local xml = f:read("*a")
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return collect(xml)[1]
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end
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