deps: Intl: Check in "small-icu" 57.1

* this commit has "small" ICU 57.1.
See other related commit for tools to generate this commit.

Fixes: https://github.com/nodejs/node/issues/3476
PR-URL: https://github.com/nodejs/node/pull/6088
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 106 insertions, 0 deletions

diff --git a/deps/icu-small/source/i18n/csrucode.h b/deps/icu-small/source/i18n/csrucode.h
new file mode 100644
index 0000000000..458b2c96ad
--- /dev/null
+++ b/deps/icu-small/source/i18n/csrucode.h
@@ -0,0 +1,106 @@
+/*
+ **********************************************************************
+ *   Copyright (C) 2005-2012, International Business Machines
+ *   Corporation and others.  All Rights Reserved.
+ **********************************************************************
+ */
+
+#ifndef __CSRUCODE_H
+#define __CSRUCODE_H
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_CONVERSION
+
+#include "csrecog.h"
+
+U_NAMESPACE_BEGIN
+
+/**
+ * This class matches UTF-16 and UTF-32, both big- and little-endian. The
+ * BOM will be used if it is present.
+ *
+ * @internal
+ */
+class CharsetRecog_Unicode : public CharsetRecognizer
+{
+
+public:
+
+    virtual ~CharsetRecog_Unicode();
+    /* (non-Javadoc)
+     * @see com.ibm.icu.text.CharsetRecognizer#getName()
+     */
+    const char* getName() const = 0;
+
+    /* (non-Javadoc)
+     * @see com.ibm.icu.text.CharsetRecognizer#match(com.ibm.icu.text.CharsetDetector)
+     */
+    UBool match(InputText* textIn, CharsetMatch *results) const = 0;
+};
+
+
+class CharsetRecog_UTF_16_BE : public CharsetRecog_Unicode
+{
+public:
+
+    virtual ~CharsetRecog_UTF_16_BE();
+
+    const char *getName() const;
+
+    UBool match(InputText* textIn, CharsetMatch *results) const;
+};
+
+class CharsetRecog_UTF_16_LE : public CharsetRecog_Unicode
+{
+public:
+
+    virtual ~CharsetRecog_UTF_16_LE();
+
+    const char *getName() const;
+
+    UBool match(InputText* textIn, CharsetMatch *results) const;
+};
+
+class CharsetRecog_UTF_32 : public CharsetRecog_Unicode
+{
+protected:
+    virtual int32_t getChar(const uint8_t *input, int32_t index) const = 0;
+public:
+
+    virtual ~CharsetRecog_UTF_32();
+
+    const char* getName() const = 0;
+
+    UBool match(InputText* textIn, CharsetMatch *results) const;
+};
+
+
+class CharsetRecog_UTF_32_BE : public CharsetRecog_UTF_32
+{
+protected:
+    int32_t getChar(const uint8_t *input, int32_t index) const;
+
+public:
+
+    virtual ~CharsetRecog_UTF_32_BE();
+
+    const char *getName() const;
+};
+
+
+class CharsetRecog_UTF_32_LE : public CharsetRecog_UTF_32
+{
+protected:
+    int32_t getChar(const uint8_t *input, int32_t index) const;
+
+public:
+    virtual ~CharsetRecog_UTF_32_LE();
+
+    const char* getName() const;
+};
+
+U_NAMESPACE_END
+
+#endif
+#endif /* __CSRUCODE_H */