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#strict 2
global func FormatN(string format, array placeholders, array items)
{
if(!items && GetType(placeholders[0]) == C4V_Array)
{
items = CreateArray(GetLength(placeholders));
for(var i = 0; i < GetLength(placeholders); ++i)
{
items[i] = placeholders[i][1];
placeholders[i] = placeholders[i][0];
}
}
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(GetLength(placeholderType) == 0)
{
ret ..= "%";
inPlaceholder = 0;
}
else
{
inPlaceholder = 2;
}
}
else if(inPlaceholder == 2)
{
var index = GetIndexOf2(placeholderPart, placeholders);
if(index == -1)
{
FatalError(Format("FormatN: Unkown placeholder \"%s\"", placeholderPart));
return 0;
}
ret = Format(Format("%%s%%%s", placeholderType), ret, items[index]);
inPlaceholder = 0;
placeholderType = "";
placeholderPart = "";
}
}
else
{
if(inPlaceholder == 0)
{
ret ..= c;
}
else if(inPlaceholder == 1)
{
placeholderType ..= c;
}
else if(inPlaceholder == 2)
{
placeholderPart ..= c;
}
}
}
if(inPlaceholder == 1)
{
FatalError(Format("FormatN: Placeholder not finished at end of format-string: \"%%%s\"", placeholderType));
return 0;
}
else if(inPlaceholder == 2)
{
FatalError(Format("FormatN: Placeholder not finished at end of format-string: \"%%%s%%%s\"", placeholderType, placeholderPart));
return 0;
}
return ret;
}
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