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Write XML tags with both attr and value, substitute reserved chars when converting table to XML #111

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Write XML tags with both attr and value, substitute reserved chars when converting table to XML #111

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801b640
Testcommit to check everything is correctly setup.
Dropkickx86 May 14, 2025
dcba5c7
Fixed tags with args and vals
Dropkickx86 May 14, 2025
75e20c7
Merge branch 'manoelcampos:master' into master
Dropkickx86 Oct 29, 2025
965f046
Added subtitution for disallowed characters
Dropkickx86 Jul 27, 2026
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9 changes: 7 additions & 2 deletions .gitignore
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Original file line number Diff line number Diff line change
@@ -1,10 +1,15 @@
*.rock
test.lua
teste.lua

#IntelliJ IDEA Files
.idea
*.iml

#VS Code files
launch.json

#macOS
.DS_Store

#Debugging files
debugger.lua
test.lua
26 changes: 21 additions & 5 deletions xml2lua.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -140,6 +140,18 @@ function xml2lua.loadFile(xmlFilePath)
error(e)
end

---Checks the value for forbidden characters and escapes them
--@param value string for checking and correcting
--@return a XML-compliant string
local function escapeXmlChar(value)
value = string.gsub(value, "&", "&")
value = string.gsub(value, "<", "&lt;")
value = string.gsub(value, ">", "&gt;")
value = string.gsub(value, "'", "&apos;")
value = string.gsub(value, "\"", "&quot;")
return value
end

---Gets an _attr element from a table that represents the attributes of an XML tag,
--and generates a XML String representing the attibutes to be inserted
--into the openning tag of the XML
Expand All @@ -151,7 +163,7 @@ local function attrToXml(attrTable)
attrTable = attrTable or {}

for k, v in pairs(attrTable) do
s = s .. " " .. k .. "=" .. '"' .. v .. '"'
s = s .. " " .. k .. "=" .. '"' .. escapeXmlChar(v) .. '"'
end
return s
end
Expand Down Expand Up @@ -198,7 +210,7 @@ function xml2lua.addTagValueAttr(tagName, tagValue, attrTable, level)
if (tagValue == '') then
table.insert(xml2lua.xmltb, spaces .. '<' .. tagName .. attrStr .. '/>')
else
table.insert(xml2lua.xmltb, spaces .. '<' .. tagName .. attrStr .. '>' .. tostring(tagValue) .. '</' .. tagName .. '>')
table.insert(xml2lua.xmltb, spaces .. '<' .. tagName .. attrStr .. '>' .. escapeXmlChar(tostring(tagValue)) .. '</' .. tagName .. '>')
end
end

Expand Down Expand Up @@ -237,7 +249,7 @@ end

function xml2lua.parseTableToXml(obj, tagName, level)
if (tagName ~= '_attr') then
if (type(obj) == 'table') then
if (type(obj) == 'table' and (#obj ~= 1 or type(obj[1]) == 'table')) then
if (xml2lua.isChildArray(obj)) then
for _, value in pairs(obj) do
xml2lua.parseTableToXml(value, tagName, level)
Expand All @@ -252,10 +264,14 @@ function xml2lua.parseTableToXml(obj, tagName, level)
xml2lua.endTag(tagName, level)
end
else
xml2lua.addTagValueAttr(tagName, obj, nil, level)
if type(obj) == 'table' then
xml2lua.addTagValueAttr(tagName, obj[1], obj._attr, level)
else
xml2lua.addTagValueAttr(tagName, obj, nil, level)
end
end
end
end
end

---Converts a Lua table to a XML String representation.
--@param tb Table to be converted to XML
Expand Down