diff options
Diffstat (limited to 'src/libjin-lua/scripts/utils/xml.lua')
| -rw-r--r-- | src/libjin-lua/scripts/utils/xml.lua | 259 |
1 files changed, 127 insertions, 132 deletions
diff --git a/src/libjin-lua/scripts/utils/xml.lua b/src/libjin-lua/scripts/utils/xml.lua index 2250773..d220bd2 100644 --- a/src/libjin-lua/scripts/utils/xml.lua +++ b/src/libjin-lua/scripts/utils/xml.lua @@ -1,6 +1,5 @@ jin.utils = jin.utils or {} -jin.utils.xml = jin.utils.xml or {} --------------------------------------------------------------------------------- --------------------------------------------------------------------------------- @@ -20,156 +19,152 @@ jin.utils.xml = jin.utils.xml or {} -- --------------------------------------------------------------------------------- --------------------------------------------------------------------------------- -local function newParser() - 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 +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.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.parseArgs(node, s) + string.gsub(s, "(%w+)=([\"'])(.-)%2", function(w, _, a) + node:addProperty(w, XmlParser.fromXmlString(a)) + end) +end - 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 +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.___children, child) + 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 + 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.___props, { name = name, value = self[name] }) + table.insert(self[lName], value) + else + self[lName] = value end - - return node + table.insert(self.___props, { name = name, value = self[name] }) 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*$") then - local lVal = (top:value() or "") .. self:FromXmlString(text) - stack[#stack]:setValue(lVal) - end - if empty == "/" then -- empty element tag - local lNode = newNode(label) - self:ParseArgs(lNode, xarg) - top:addChild(lNode) - elseif c == "" then -- start tag - local lNode = newNode(label) - self:ParseArgs(lNode, xarg) - table.insert(stack, lNode) - top = lNode - else -- end tag - local toclose = table.remove(stack) -- remove top - top = stack[#stack] - if #stack < 1 then - error("XmlParser: nothing to close with " .. label) - end - if toclose:name() ~= label then - error("XmlParser: trying to close " .. toclose.name .. " with " .. label) - end - top:addChild(toclose) - end - i = j + 1 + return node +end +function XmlParser.parseXmlText(xmlText) + local stack = {} + local top = newNode() + table.insert(stack, top) + local ni, c, label, xarg, empty + local i, j = 1, 1 + while true do + ni, j, c, label, xarg, empty = string.find(xmlText, "<(%/?)([%w_:]+)(.-)(%/?)>", i) + if not ni then break end + local text = string.sub(xmlText, i, ni - 1); + if not string.find(text, "^%s*$") then + local lVal = (top:value() or "") .. XmlParser.fromXmlString(text) + stack[#stack]:setValue(lVal) end - local text = string.sub(xmlText, i); - if #stack > 1 then - error("XmlParser: unclosed " .. stack[#stack]:name()) + if empty == "/" then -- empty element tag + local lNode = newNode(label) + XmlParser.parseArgs(lNode, xarg) + top:addChild(lNode) + elseif c == "" then -- start tag + local lNode = newNode(label) + XmlParser.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 - return top + 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 +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"); + 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 + if hFile and not err then + local xmlText = hFile:read("*a"); -- read file content + io.close(hFile); + return XmlParser.parseXmlText(xmlText), nil; + else + print(err) + return nil end - - return XmlParser end -- Export to Jin. -jin.utils.xml.newParser = newParser +jin.utils.xml = XmlParser |