Unicode::Is{Category}

Unicode::Is{Category} udfs added

1 files changed, 53 insertions, 0 deletions

diff --git a/library/cpp/unicode/set/quoted_pair.cpp b/library/cpp/unicode/set/quoted_pair.cpp
new file mode 100644
index 0000000000..7675dbaa74
--- /dev/null
+++ b/library/cpp/unicode/set/quoted_pair.cpp
@@ -0,0 +1,53 @@
+#include "quoted_pair.h"
+
+#include <util/generic/strbuf.h>
+
+namespace NUnicode {
+    EUnicodeQuotedPairType ResolveUnicodeQuotedPair(wchar32 escapedSymbol, wchar32& symbol, TUnicodeSet& set) {
+        switch (escapedSymbol) {
+            case wchar32('a'): // \a -> U+0007 Bell
+                symbol = wchar32('\a');
+                return UQPT_SYMBOL;
+            case wchar32('b'): // \b -> U+0008 Backspace
+                symbol = wchar32('\b');
+                return UQPT_SYMBOL;
+            case wchar32('t'): // \t -> U+0009 Horizontal Tab
+                symbol = wchar32('\t');
+                return UQPT_SYMBOL;
+            case wchar32('n'): // \n -> U+000A Line Feed
+                symbol = wchar32('\n');
+                return UQPT_SYMBOL;
+            case wchar32('v'): // \v -> U+000B Vertical Tab
+                symbol = wchar32('\v');
+                return UQPT_SYMBOL;
+            case wchar32('f'): // \f -> U+000C Form Feed
+                symbol = wchar32('\f');
+                return UQPT_SYMBOL;
+            case wchar32('r'): // \r -> U+000D Carriage Return
+                symbol = wchar32('\r');
+                return UQPT_SYMBOL;
+            case wchar32('s'):
+                set.AddCategory(TStringBuf("Z"));
+                return UQPT_SET;
+            case wchar32('S'):
+                set.Add(TUnicodeSet().AddCategory(TStringBuf("Z")).Invert());
+                return UQPT_SET;
+            case wchar32('w'):
+                set.AddCategory(TStringBuf("L"));
+                return UQPT_SET;
+            case wchar32('W'):
+                set.Add(TUnicodeSet().AddCategory(TStringBuf("L")).Invert());
+                return UQPT_SET;
+            case wchar32('d'):
+                set.AddCategory(TStringBuf("Nd"));
+                return UQPT_SET;
+            case wchar32('D'):
+                set.Add(TUnicodeSet().AddCategory(TStringBuf("Nd")).Invert());
+                return UQPT_SET;
+            default:
+                symbol = escapedSymbol;
+                return UQPT_SYMBOL;
+        }
+    }
+
+}