diff --git a/Basalt/libraries/layout.lua b/Basalt/libraries/layout.lua deleted file mode 100644 index ee29437..0000000 --- a/Basalt/libraries/layout.lua +++ /dev/null @@ -1,147 +0,0 @@ -local function newNode(name) - local node = {} - node.___value = nil - node.___name = name - node.___children = {} - node.___props = {} - - function node:value() return self.___value end - function node:setValue(val) self.___value = val end - function node:name() return self.___name end - function node:setName(name) self.___name = name end - function node:children() return self.___children end - function node:numChildren() return #self.___children end - function node:addChild(child) - if self[child:name()] ~= nil then - if type(self[child:name()].name) == "function" then - local tempTable = {} - table.insert(tempTable, self[child:name()]) - self[child:name()] = tempTable - end - table.insert(self[child:name()], child) - else - self[child:name()] = child - end - table.insert(self.___children, child) - end - - function node:properties() return self.___props end - function node:numProperties() return #self.___props end - function node:addProperty(name, value) - local lName = "@" .. name - if self[lName] ~= nil then - if type(self[lName]) == "string" then - local tempTable = {} - table.insert(tempTable, self[lName]) - self[lName] = tempTable - end - table.insert(self[lName], value) - else - self[lName] = value - end - table.insert(self.___props, { name = name, value = self[name] }) - end - - return node -end - -local XmlParser = {}; - -function XmlParser:ToXmlString(value) - value = string.gsub(value, "&", "&"); -- '&' -> "&" - value = string.gsub(value, "<", "<"); -- '<' -> "<" - value = string.gsub(value, ">", ">"); -- '>' -> ">" - value = string.gsub(value, "\"", """); -- '"' -> """ - value = string.gsub(value, "([^%w%&%;%p%\t% ])", - function(c) - return string.format("&#x%X;", string.byte(c)) - end); - return value; -end - -function XmlParser:FromXmlString(value) - value = string.gsub(value, "&#x([%x]+)%;", - function(h) - return string.char(tonumber(h, 16)) - end); - value = string.gsub(value, "&#([0-9]+)%;", - function(h) - return string.char(tonumber(h, 10)) - end); - value = string.gsub(value, """, "\""); - value = string.gsub(value, "'", "'"); - value = string.gsub(value, ">", ">"); - value = string.gsub(value, "<", "<"); - value = string.gsub(value, "&", "&"); - return value; -end - -function XmlParser:ParseArgs(node, s) - string.gsub(s, "(%w+)=([\"'])(.-)%2", function(w, _, a) - node:addProperty(w, self:FromXmlString(a)) - end) -end - -function XmlParser:ParseXmlText(xmlText) - local stack = {} - local top = newNode() - table.insert(stack, top) - local ni, c, label, xarg, empty - local i, j = 1, 1 - while true do - ni, j, c, label, xarg, empty = string.find(xmlText, "<(%/?)([%w_:]+)(.-)(%/?)>", i) - if not ni then break end - local text = string.sub(xmlText, i, ni - 1); - if not string.find(text, "^%s*$") then - local lVal = (top:value() or "") .. self:FromXmlString(text) - stack[#stack]:setValue(lVal) - end - if empty == "/" then -- empty element tag - local lNode = newNode(label) - self:ParseArgs(lNode, xarg) - top:addChild(lNode) - elseif c == "" then -- start tag - local lNode = newNode(label) - self:ParseArgs(lNode, xarg) - table.insert(stack, lNode) - top = lNode - else -- end tag - local toclose = table.remove(stack) -- remove top - - top = stack[#stack] - if #stack < 1 then - error("XmlParser: nothing to close with " .. label) - end - if toclose:name() ~= label then - error("XmlParser: trying to close " .. toclose.name .. " with " .. label) - end - top:addChild(toclose) - end - i = j + 1 - end - local text = string.sub(xmlText, i); - if #stack > 1 then - error("XmlParser: unclosed " .. stack[#stack]:name()) - end - return top -end - -function XmlParser:loadFile(xmlFilename, base) - if not base then - base = system.ResourceDirectory - end - - local path = system.pathForFile(xmlFilename, base) - local hFile, err = io.open(path, "r"); - - if hFile and not err then - local xmlText = hFile:read("*a"); -- read file content - io.close(hFile); - return self:ParseXmlText(xmlText), nil; - else - print(err) - return nil - end -end - -return XmlParser \ No newline at end of file