118 lines
3.5 KiB
C++
Executable File
118 lines
3.5 KiB
C++
Executable File
//-----------------------------------------------------------------------------
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// Torque Game Engine
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// Copyright (C) GarageGames.com, Inc.
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//-----------------------------------------------------------------------------
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#ifndef _STRINGBUFFER_H_
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#define _STRINGBUFFER_H_
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//Includes
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#ifndef _PLATFORM_H_
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#include "platform/platform.h"
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#endif
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#ifndef _TVECTOR_H_
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#include "core/tVector.h"
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#endif
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#include "console/console.h"
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/// Utility class to wrap string manipulation in a representation
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/// independent way.
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///
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/// Length does NOT include the null terminator.
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class StringBuffer
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{
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Vector<UTF16> mBuffer;
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Vector<UTF8> mBuffer8;
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bool mDirty8;
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public:
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#if defined(TORQUE_DEBUG)
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typedef struct RequestCounts
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{
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U64 requestCount8;
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U64 requestCount16;
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};
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RequestCounts *rc;
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#endif
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StringBuffer();
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StringBuffer(const StringBuffer ©);
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StringBuffer(const StringBuffer *in);
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StringBuffer(const UTF8 *in);
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StringBuffer(const UTF16 *in);
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~StringBuffer();
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void append(const StringBuffer &in);
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void append(const UTF8* in);
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void append(const UTF16* in);
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void append(const UTF16* in, U32 len);
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void insert(const U32 charOffset, const StringBuffer &in);
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void insert(const U32 charOffset, const UTF8* in);
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void insert(const U32 charOffset, const UTF16* in);
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void insert(const U32 charOffset, const UTF16* in, const U32 len);
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/// Get a StringBuffer substring of length 'len' starting from 'start'.
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/// Returns a new StringBuffer by value;
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StringBuffer substring(const U32 start, const U32 len) const;
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/// Get a pointer to a substring of length 'len' starting from 'start'.
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/// Returns a raw pointer to a unicode string.
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/// You must delete[] the returned string when you are done with it.
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/// This follows the "create rule".
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UTF8* createSubstring8(const U32 start, const U32 len) const;
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UTF16* createSubstring16(const U32 start, const U32 len) const;
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void cut(const U32 start, const U32 len);
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// UTF8* cut8(const U32 start, const U32 len);
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// UTF16* cut16(const U32 start, const U32 len);
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const UTF16 getChar(const U32 offset) const;
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void setChar(const U32 offset, UTF16 c);
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void set(const StringBuffer *in);
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void set(const UTF8 *in);
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void set(const UTF16 *in);
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inline const U32 length() const
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{
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return mBuffer.size() - 1; // Don't count the NULL of course.
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}
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/// Get an upper bound size estimate for a UTF8 buffer to hold this
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/// string.
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const U32 getUTF8BufferSizeEstimate() const
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{
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return length() * 3 + 1;
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}
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void getCopy8(UTF8 *buff, const U32 buffSize) const;
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void getCopy(UTF16 *buff, const U32 buffSize) const;
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/// Get a copy of the contents of the string buffer.
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/// You must delete[] the returned copy when you are done with it.
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/// This follows the "create rule".
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UTF8* createCopy8() const;
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UTF16* createCopy() const;
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/// Get a pointer to the StringBuffer's data store.
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/// Use this in situations where you can be sure that the StringBuffer will
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/// not be modified out from under you.
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/// The win here is, you avoid yet another data copy. Data copy is slow on
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/// most modern hardware.
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const UTF16* getPtr() const;
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const UTF8* getPtr8() const;
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private:
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void updateBuffer8();
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#if defined(TORQUE_DEBUG)
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void clearRequestCounts() { rc->requestCount16 = 0; rc->requestCount8 = 0; }
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#endif
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};
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#endif
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