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#strict 2
// FormatN("%identifier%format specification%...", { identifier = "content", ... });
// example: FormatN("%foo%s% %bar%s%", { foo = "Hello", bar = "World" }) = "Hello World"
global func FormatN(string format, map items)
{
var ret = "";
var inPlaceholder = 0;
var placeholderType = "%";
var placeholderPart = "";
for(var i = 0; i < GetLength(format); ++i)
{
var c = format[i];
if(c == "%")
{
if(inPlaceholder == 0)
{
inPlaceholder = 1;
}
else if(inPlaceholder == 1)
{
if(placeholderPart == "")
{
ret ..= "%";
inPlaceholder = 0;
}
else
{
inPlaceholder = 2;
}
}
else if(inPlaceholder == 2)
{
ret ..= Format(placeholderType, items[placeholderPart]);
inPlaceholder = 0;
placeholderType = "%";
placeholderPart = "";
}
}
else
{
if(inPlaceholder == 0)
{
ret ..= c;
}
else if(inPlaceholder == 1)
{
placeholderPart ..= c;
}
else if(inPlaceholder == 2)
{
placeholderType ..= c;
}
}
}
if(inPlaceholder == 1)
{
FatalError(Format("FormatN: Placeholder not finished at end of format-string: \"%%%s\"", placeholderPart));
return 0;
}
else if(inPlaceholder == 2)
{
FatalError(Format("FormatN: Placeholder not finished at end of format-string: \"%%%s%s\"", placeholderPart, placeholderType));
return 0;
}
return ret;
}
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