string -> string literal

[Timothee Cour via Digitalmars-d-learn]

does that work?
string escapeD(string a){
import std.array:replace;
return `r"`~a.replace(`"`,`" "\"" r"`)~`"`;
}


On Sun, Apr 20, 2014 at 11:14 AM, monarch_dodra via Digitalmars-d-learn <
digitalmars-d-learn at puremagic.com> wrote:

> On Sunday, 20 April 2014 at 17:55:25 UTC, Ellery Newcomer wrote:
>
>> is there a function in phobos anywhere that takes a string and escapes it
>> into a string literal suitable for string mixins? something like
>>
>> assert (f("abc\ndef") == "\"abc\\ndef\"");
>>
>
> It's a bit hackish, but it avoids deploying code and reinventing anything.
> You can use format "string-range" formating to print the string escaped.
> Catch that, and then do it again:
>
>     string s = "abc\ndef";
>     writefln("[%s]\n", s); //raw
>
>     s = format("%(%s%)", [s]);
>     writefln("[%s]\n", s); //escaped
>
>     s = format("%(%s%)", [s]);
>     writefln("[%s]\n", s); //escapes are escaped
>
> As you can see from the output, after two iterations:
>
> [abc
> def]
>
> ["abc\ndef"]
>
> ["\"abc\\ndef\""]
>
> I seem to recall that printing strings "escaped" has been requested
> before, but, AFAIK, this is the best we are currently providing.
>
> Unless you call std.format's "formatElement" directly. However, this is an
> internal and undocumented function, and the fact it isn't private is
> probably an oversight.
>
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