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+/*
+ *******************************************************************************
+ *
+ * Copyright (c) 1995-2013 International Business Machines Corporation and others
+ *
+ * All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, and/or sell copies of the
+ * Software, and to permit persons to whom the Software is furnished to do so,
+ * provided that the above copyright notice(s) and this permission notice appear
+ * in all copies of the Software and that both the above copyright notice(s) and
+ * this permission notice appear in supporting documentation.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN
+ * NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN THIS NOTICE BE
+ * LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY
+ * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Except as contained in this notice, the name of a copyright holder shall not be
+ * used in advertising or otherwise to promote the sale, use or other dealings in
+ * this Software without prior written authorization of the copyright holder.
+ *
+ *******************************************************************************
+ * file name: scrptrun.h
+ *
+ * created on: 10/17/2001
+ * created by: Eric R. Mader
+ */
+
+#ifndef INCLUDED_VCL_INC_SCRPTRUN_H
+#define INCLUDED_VCL_INC_SCRPTRUN_H
+
+#include <sal/config.h>
+
+#include <vcl/dllapi.h>
+
+#include <unicode/uobject.h>
+#include <unicode/uscript.h>
+#include <vector>
+
+namespace vcl
+{
+struct ParenStackEntry
+{
+ int32_t pairIndex;
+ UScriptCode scriptCode;
+ ParenStackEntry()
+ : pairIndex(0)
+ , scriptCode(USCRIPT_INVALID_CODE)
+ {
+ }
+};
+
+class VCL_DLLPUBLIC ScriptRun final : public icu::UObject
+{
+public:
+ ScriptRun(const UChar chars[], 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() const;
+
+ int32_t getScriptEnd() const;
+
+ UScriptCode getScriptCode() const;
+
+ UBool next();
+
+ /**
+s * ICU "poor man's RTTI", returns a UClassID for the actual class.
+ *
+ * @stable ICU 2.2
+ */
+ virtual UClassID getDynamicClassID() const override { return getStaticClassID(); }
+
+ /**
+ * ICU "poor man's RTTI", returns a UClassID for this class.
+ *
+ * @stable ICU 2.2
+ */
+ static UClassID getStaticClassID()
+ {
+ return static_cast<UClassID>(const_cast<char*>(&fgClassID));
+ }
+
+private:
+ int32_t charStart;
+ int32_t charLimit;
+ const UChar* charArray;
+
+ int32_t scriptStart;
+ int32_t scriptEnd;
+ UScriptCode scriptCode;
+
+ std::vector<ParenStackEntry> parenStack;
+ int32_t parenSP;
+
+ /**
+ * 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(const UChar chars[], int32_t length)
+{
+ parenStack.reserve(128);
+ reset(chars, 0, length);
+}
+
+inline int32_t ScriptRun::getScriptStart() const { return scriptStart; }
+
+inline int32_t ScriptRun::getScriptEnd() const { return scriptEnd; }
+
+inline UScriptCode ScriptRun::getScriptCode() const { return scriptCode; }
+
+inline void ScriptRun::reset()
+{
+ scriptStart = charStart;
+ scriptEnd = charStart;
+ scriptCode = USCRIPT_INVALID_CODE;
+ parenSP = -1;
+ parenStack.clear();
+}
+
+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