XML functions

Author: FileEX

functions/XML/examples/xmlCopyFile-1.lua

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+local config = xmlLoadFile("config.xml")
+-- If the file doesn't exist, we don't proceed.
+if (not config) then
+    return
+end
+
+-- Create a copy of xml structure in memory
+local newFile = xmlCopyFile(config, "copy/copy-config.xml")
+if (newFile) then
+  -- Write this new copy to a filesystem
+  xmlSaveFile(newFile)
+end
+-- Unload config xml node from memory if it will not be used anytime soon
+xmlUnloadFile(config)

functions/XML/examples/xmlCreateChild-1.lua

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+-- Creates a file named "new.xml" with root node "newroot" and childnode "newchild".
+function createFileHandler()
+    local RootNode = xmlCreateFile("new.xml"," newroot")
+    if (not RootNode) then
+        return
+    end
+
+    local NewNode = xmlCreateChild(RootNode, "newchild")
+    if (not NewNode) then
+        return
+    end
+
+    xmlSaveFile(RootNode)
+    xmlUnloadFile(RootNode)
+end
+addCommandHandler("createfile", createFileHandler)

functions/XML/examples/xmlCreateFile-1.lua

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+-- Creates a file named "new.xml" with root node "newroot" and childnode "newchild".
+function createFileHandler()
+    local RootNode = xmlCreateFile("new.xml"," newroot")
+    if (not RootNode) then
+        return
+    end
+
+    local NewNode = xmlCreateChild(RootNode, "newchild")
+    if (not NewNode) then
+        return
+    end
+
+    xmlSaveFile(RootNode)
+    xmlUnloadFile(RootNode)
+end
+addCommandHandler("createfile", createFileHandler)

functions/XML/examples/xmlDestroyNode-1.lua

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+addEventHandler("onResourceStart", resourceRoot, function()
+    xml = xmlLoadFile("test.xml")
+    if (not xml) then
+        xml = xmlCreateFile("test.xml", "root")
+        xmlCreateChild(xml, "node")
+        xmlSaveFile(xml)
+    end
+end)
+
+addCommandHandler("delnode", function(player)
+    local node = xmlFindChild(xml, "node", 0)
+    if (not node) then
+        xmlUnloadFile(xml)
+        return
+    end
+    
+    xmlDestroyNode(node)
+    xmlSaveFile(xml)
+    xmlUnloadFile(xml)
+    outputChatBox("You destroyed the node!", player, 0, 255, 0, false)
+end)

functions/XML/examples/xmlFindChild-1.lua

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+local rootNode = xmlLoadFile("test.xml")
+if (not rootNode) then
+    return
+end
+
+local optionsNode = xmlFindChild(rootNode, "options", 0)
+if (optionsNode) then
+    local instructionsNode = xmlFindChild(optionsNode, "instructions", 0)
+
+    if (instructionsNode) then
+        local instructions = xmlNodeGetValue(instructionsNode)
+        outputChatBox(instructions)
+    end
+end
+
+xmlUnloadFile(rootNode)

functions/XML/examples/xmlLoadFile-1.lua

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+local node = xmlLoadFile ( ":ctv/settings.xml" )

functions/XML/examples/xmlLoadString-1.lua

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+local rootNode = xmlLoadString("<animals test='x'><wolf name='timmy'></wolf> <fox name='luxy'></fox></animals>")
+
+if rootNode then
+	local rootAttributes = xmlNodeGetAttributes(rootNode)
+	print("Root Node", "Name: "..xmlNodeGetName(rootNode),  "Attributes :"..toJSON(rootAttributes))
+	
+	local children = xmlNodeGetChildren(rootNode)
+	
+	for i, childNode in ipairs(children) do
+		local attributes = xmlNodeGetAttributes(childNode)
+		print("Child #"..i, "Name: "..xmlNodeGetName(childNode), "Attributes :"..toJSON(attributes))
+	end
+end

functions/XML/examples/xmlNodeGetAttribute-1.lua

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+local xml = getResourceConfig("settings.xml")      -- load XML file and get its root element
+local carmodel = xmlNodeGetAttribute(xml, "model")    -- get attribute of root element
+local carX = xmlNodeGetAttribute(xml, "posX")
+local carY = xmlNodeGetAttribute(xml, "posY")
+local carZ = xmlNodeGetAttribute(xml, "posZ")
+local carA = xmlNodeGetAttribute(xml, "rot")
+createVehicle(carmodel, tonumber(carX), tonumber(carY), tonumber(carZ), 0.0, 0.0, tonumber(carA))

functions/XML/examples/xmlNodeGetAttributes-1.lua

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+local meta = xmlLoadFile("meta.xml")
+local info = xmlFindChild(meta, "info", 0)
+
+if (info) then
+    local attrs = xmlNodeGetAttributes(info)
+    for name,value in pairs (attrs) do
+        outputConsole(name.." = "..value)
+    end
+end
+
+xmlUnloadFile(meta)

functions/XML/examples/xmlNodeGetChildren-1.lua

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+addEventHandler("onResourceStart", getResourceRootElement(),
+    function()
+        local xml = xmlLoadFile("welcome.xml")             -- open the XML file
+        local messageNodes = xmlNodeGetChildren(xml)       -- get all child nodes of the root node (<messages>)
+        g_WelcomeMessages = {}                             -- create a new global variable to store the welcome messages
+        for i,node in ipairs(messageNodes) do              -- loop over all the message nodes
+            g_WelcomeMessages[i] = xmlNodeGetValue(node)   -- retrieve the text in each node
+        end
+        xmlUnloadFile(xml)                                 -- close the XML file
+    end
+)
+
+addEventHandler("onPlayerJoin", getRootElement(),
+    function()
+        local numMessages = #g_WelcomeMessages                        -- get the number of messages
+        local message = g_WelcomeMessages[math.random(numMessages)]   -- pick a random message
+        outputChatBox(message, source, 0, 255, 0)                     -- display it to the joining player
+    end
+)