Stepan Koltsov
30 lines
1.8 KiB
Plaintext
30 lines
1.8 KiB
Plaintext
fun escapeChar(c : Char) : String? = when (c) {
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'\\' -> "\\\\"
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'\n' -> "\\n"
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'"' -> "\\\""
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else -> "" + c
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}
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fun String.escape(i : Int = 0, result : String = "") : String =
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if (i == length) result
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else escape(i + 1, result + escapeChar(get(i)))
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fun box() : String {
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val s = " System.out?.println(\"fun escapeChar(c : Char) : String? = when (c) {\");\n System.out?.println(\" '\\\\\\\\' => \\\"\\\\\\\\\\\\\\\\\\\"\");\n System.out?.println(\" '\\\\n' => \\\"\\\\\\\\n\\\"\");\n System.out?.println(\" '\\\"' => \\\"\\\\\\\\\\\\\\\"\\\"\");\n System.out?.println(\" else => String.valueOf(c)\");\n System.out?.println(\"}\");\n System.out?.println();\n System.out?.println(\"fun String.escape(i : Int = 0, result : String = \\\"\\\") : String =\");\n System.out?.println(\" if (i == length) result\");\n System.out?.println(\" else escape(i + 1, result + escapeChar(this.get(i)))\");\n System.out?.println();\n System.out?.println(\"fun main(args : Array<String>) {\");\n System.out?.println(\" val s = \\\"\" + s.escape() + \"\\\";\");\n System.out?.println(s);\n}\n";
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System.out?.println("fun escapeChar(c : Char) : String? = when (c) {");
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System.out?.println(" '\\\\' => \"\\\\\\\\\"");
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System.out?.println(" '\\n' => \"\\\\n\"");
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System.out?.println(" '\"' => \"\\\\\\\"\"");
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System.out?.println(" else => String.valueOf(c)");
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System.out?.println("}");
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System.out?.println();
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System.out?.println("fun String.escape(i : Int = 0, result : String = \"\") : String =");
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System.out?.println(" if (i == length) result");
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System.out?.println(" else escape(i + 1, result + escapeChar(this.get(i)))");
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System.out?.println();
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System.out?.println("fun main(args : Array<String>) {");
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System.out?.println(" val s = \"" + s.escape() + "\";");
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System.out?.println(s);
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return "OK"
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}
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