Version: Unity 6 Preview (6000.0)
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  • C#

SearchExpression.GetFormatString

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Declaration

public static bool GetFormatString(Search.SearchExpression expr, out string formatStr);

Parameters

expr Expression to convert to a format string.
formatStr Extracted format string.

Returns

bool Returns true if the SearchExpression was succesfully converted to a format string.

Description

Extract a format string from a given expression. This function should be used to extract a format string from an input parameter of a SearchExpression. For example: the evaluator print{"this is it: @label"} takes a format string as its first parameter.

[Description("Convert arguments to a string allowing you to format the result.")]
[SearchExpressionEvaluator(SearchExpressionType.Selector | SearchExpressionType.Text, SearchExpressionType.Iterable | SearchExpressionType.Literal | SearchExpressionType.Variadic)]
[SearchExpressionEvaluatorSignatureOverload(SearchExpressionType.Iterable | SearchExpressionType.Literal | SearchExpressionType.Variadic)]
public static IEnumerable<SearchItem> FormatItems(SearchExpressionContext c)
{
    var skipCount = 0;
    if (SearchExpression.GetFormatString(c.args[0], out var formatStr))
        skipCount++;
    var items = c.args.Skip(skipCount).SelectMany(e => e.Execute(c));
    var dataSet = SearchExpression.ProcessValues(items, null, item => SearchExpression.FormatItem(c.search, item, formatStr));
    return dataSet;
}