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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /intl/icu/source/extra/scrptrun/scrptrun.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'intl/icu/source/extra/scrptrun/scrptrun.h')
-rw-r--r--intl/icu/source/extra/scrptrun/scrptrun.h156
1 files changed, 156 insertions, 0 deletions
diff --git a/intl/icu/source/extra/scrptrun/scrptrun.h b/intl/icu/source/extra/scrptrun/scrptrun.h
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@@ -0,0 +1,156 @@
+// Copyright (C) 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+ *******************************************************************************
+ *
+ * Copyright (C) 1999-2003, International Business Machines
+ * Corporation and others. All Rights Reserved.
+ *
+ *******************************************************************************
+ * file name: scrptrun.h
+ *
+ * created on: 10/17/2001
+ * created by: Eric R. Mader
+ */
+
+#ifndef __SCRPTRUN_H
+#define __SCRPTRUN_H
+
+#include "unicode/utypes.h"
+#include "unicode/uobject.h"
+#include "unicode/uscript.h"
+
+struct ScriptRecord
+{
+ UChar32 startChar;
+ UChar32 endChar;
+ UScriptCode scriptCode;
+};
+
+struct ParenStackEntry
+{
+ int32_t pairIndex;
+ UScriptCode scriptCode;
+};
+
+class ScriptRun : public UObject {
+public:
+ ScriptRun();
+
+ ScriptRun(const UChar chars[], int32_t length);
+
+ ScriptRun(const UChar chars[], int32_t start, int32_t length);
+
+ void reset();
+
+ void reset(int32_t start, int32_t count);
+
+ void reset(const UChar chars[], int32_t start, int32_t length);
+
+ int32_t getScriptStart();
+
+ int32_t getScriptEnd();
+
+ UScriptCode getScriptCode();
+
+ UBool next();
+
+ /**
+ * ICU "poor man's RTTI", returns a UClassID for the actual class.
+ *
+ * @stable ICU 2.2
+ */
+ virtual inline UClassID getDynamicClassID() const { return getStaticClassID(); }
+
+ /**
+ * ICU "poor man's RTTI", returns a UClassID for this class.
+ *
+ * @stable ICU 2.2
+ */
+ static inline UClassID getStaticClassID() { return (UClassID)&fgClassID; }
+
+private:
+
+ static UBool sameScript(int32_t scriptOne, int32_t scriptTwo);
+
+ int32_t charStart;
+ int32_t charLimit;
+ const UChar *charArray;
+
+ int32_t scriptStart;
+ int32_t scriptEnd;
+ UScriptCode scriptCode;
+
+ ParenStackEntry parenStack[128];
+ int32_t parenSP;
+
+ static int8_t highBit(int32_t value);
+ static int32_t getPairIndex(UChar32 ch);
+
+ static UChar32 pairedChars[];
+ static const int32_t pairedCharCount;
+ static const int32_t pairedCharPower;
+ static const int32_t pairedCharExtra;
+
+ /**
+ * The address of this static class variable serves as this class's ID
+ * for ICU "poor man's RTTI".
+ */
+ static const char fgClassID;
+};
+
+inline ScriptRun::ScriptRun()
+{
+ reset(NULL, 0, 0);
+}
+
+inline ScriptRun::ScriptRun(const UChar chars[], int32_t length)
+{
+ reset(chars, 0, length);
+}
+
+inline ScriptRun::ScriptRun(const UChar chars[], int32_t start, int32_t length)
+{
+ reset(chars, start, length);
+}
+
+inline int32_t ScriptRun::getScriptStart()
+{
+ return scriptStart;
+}
+
+inline int32_t ScriptRun::getScriptEnd()
+{
+ return scriptEnd;
+}
+
+inline UScriptCode ScriptRun::getScriptCode()
+{
+ return scriptCode;
+}
+
+inline void ScriptRun::reset()
+{
+ scriptStart = charStart;
+ scriptEnd = charStart;
+ scriptCode = USCRIPT_INVALID_CODE;
+ parenSP = -1;
+}
+
+inline void ScriptRun::reset(int32_t start, int32_t length)
+{
+ charStart = start;
+ charLimit = start + length;
+
+ reset();
+}
+
+inline void ScriptRun::reset(const UChar chars[], int32_t start, int32_t length)
+{
+ charArray = chars;
+
+ reset(start, length);
+}
+
+
+#endif