--- a/osncore/osncore/inc/ustringimpl.h Tue Feb 02 00:28:09 2010 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,307 +0,0 @@
-/*
-* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description: String class implementation
-*
-*/
-
-#ifndef USTRING_IMPL_H
-#define USTRING_IMPL_H
-
-#include <gstring.h>
-#include <osn/ustring.h>
-
-#define MAX_STR_LEN 24
-
-namespace osncore
-{
-
-class SString;
-
-/**
- * Glib string wrapper.
- * @see ustring.h for description of ustring
- * @lib osncore.lib
- * @since S60 5.0
- */
-class UStringImpl
- {
-public:
- /**
- * Default constructor.
- */
- UStringImpl();
- /**
- * Construct a string as a copy of given null terminated string.
- *
- * @since S60 5.0
- * @exception std:bad_alloc is thrown if string cannot be allocated from heap
- * @param aStr Utf-8 encoded string
- */
- explicit UStringImpl(const Utf8* aStr);
- /**
- * Construct a string as a copy of given string
- * with byte length of the source buffer.
- * Because a length is provided, source doesn't need to be null terminated.
- *
- * @since S60 5.0
- * @exception std:bad_alloc is thrown if string cannot be allocated from heap
- * @param aStr Utf-8 encoded string
- * @param aByteCount Byte count of Utf-8 encoded string
- */
- explicit UStringImpl(const Utf8* aStr, int aLen);
- /**
- * Construct a string from unicode code point. If Unicode is invalid,
- * @exception std:bad_alloc is thrown if string cannot be allocated from heap
- * @since S60 5.0
- * @param aCodePoint Unicode code point
- */
- explicit UStringImpl(Unicode aCodePoint);
-
- /**
- * UStringImpl copy constructor
- * @exception std:bad_alloc is thrown if string cannot be allocated from heap
- * @since S60 5.0
- * @param aUString Copy source
- */
- UStringImpl(const UStringImpl& aUStringImpl);
-
- // Destructor
- ~UStringImpl();
-
- // Utilities
- /**
- * Checks whether string is empty.
- *
- * @since S60 5.0
- * @return True if string doesn't have content.
- */
- bool empty()const;
- /**
- * Checks whether string is null.
- *
- * @since S60 5.0
- * @return True if string is null.
- */
- bool null()const;
- /**
- * Returns the length of the string in characters.
- *
- * @since S60 5.0
- * @return Length
- */
- long length()const;
- /**
- * Returns the length of the string in bytes
- *
- * @since S60 5.0
- * @return Bytes
- */
- long bytes()const;
-
- /**
- * Returns utf8 type string
- *
- * @since S60 5.0
- * @return utf8 type string
- */
- const Utf8* utf8()const;
-
- /**
- * Compares two strings using strcmp(). Note that this is not linguistic comparison nor case insensitive.
- *
- * @since S60 5.0
- * @param aUStringImpl UStringImpl object to compare
- * @return < 0 if this compares before aRhs, 0 if they compare equal, > 0 if this compares after aRhs.
- */
- int compare(const UStringImpl& aUStringImpl)const;
- /**
- * Compares two strings using strcmp(). Note that this is not linguistic comparison nor case insensitive.
- *
- * @since S60 5.0
- * @param aStr String to compare
- * @return < 0 if this compares before aRhs, 0 if they compare equal, > 0 if this compares after aRhs.
- */
- int compare(const Utf8* aStr)const;
- /**
- * Compares two strings for ordering using the linguistically correct rules for the current locale.
- * When sorting a large number of strings, it will be significantly faster
- * to obtain collation keys with g_utf8_collate_key()from libglib and compare the keys
- * with strcmp() when sorting instead of sorting the original strings.
- *
- * @since S60 5.0
- * @param aUStringImpl UStringImpl object to compare
- * @return < 0 if this compares before aRhs, 0 if they compare equal, > 0 if this compares after aRhs.
- */
- int compareC(const UStringImpl& aUStringImpl)const;
- /**
- * Compares two strings for ordering using the linguistically correct rules for the current locale.
- * When sorting a large number of strings, it will be significantly faster
- * to obtain collation keys with g_utf8_collate_key() from libglib and compare the keys
- * with strcmp() when sorting instead of sorting the original strings.
- * If aStr is invalid utf8, UString::InvalidUtf8 exception is thrown.
- *
- *
- * @since S60 5.0
- * @param aStr String to compare
- * @return < 0 if this compares before aRhs, 0 if they compare equal, > 0 if this compares after aRhs.
- */
- int compareC(const Utf8* aStr)const;
-
- /**
- * Adds a string onto the end of string, expanding it if necessary.
- *
- * @since S60 5.0
- * @param aUStringImpl String object to append
- */
- void append(const UStringImpl& aUStringImpl);
- /**
- * Adds a string onto the end of string, expanding it if necessary.
- *
- * @since S60 5.0
- * @param aStr String to append
- */
- void append(const Utf8* aStr);
-
- /**
- * Inserts aStr into string, expanding it if necessary.
- * If aPos is -1, bytes are inserted at the end of the string.
- *
- * @since S60 5.0
- * @exception std:out_of_range is thrown if given position is invalid
- * @exception std:bad_alloc is thrown if string cannot be allocated from heap
- * @param aPos The character position to insert the copy of the string
- * @param aStr The string to insert
- */
- void insert(long aPos, const Utf8* aStr);
- /**
- * Inserts aStr into string, expanding it if necessary. Because length is
- * provided, aStr may contain embedded nulls and need not be null terminated.
- * If aPos is -1, bytes are inserted at the end of the string.
- *
- * @since S60 5.0
- * @exception std:out_of_range is thrown if given position is invalid
- * @exception std:bad_alloc is thrown if string cannot be allocated from heap
- * @param aPos The character position to insert the copy of the string
- * @param aStr The string to insert
- * @param aCharCount Character count.
- */
- void insert(long aPos, const Utf8* aStr, long aLength);
- /**
- * Replace a substring with a given string, expanding it if necessary
- *
- * @since S60 5.0
- * @exception std:out_of_range is thrown if given position is invalid
- * @exception std:bad_alloc is thrown if string cannot be allocated from heap
- * @param aPos The charater position to replace the string
- * @param aStr The string to insert
- */
- void replace(long aPos, const Utf8* aStr);
- /**
- * Replace a substring with a given string, expanding it if necessary. Because length is
- * provided, aStr may contain embedded nulls and need not be null terminated.
- * If aLength is < 0, length is assumed to be aStr's length.
- *
- * @since S60 5.0
- * @exception std:out_of_range is thrown if given position is invalid
- * @exception std:bad_alloc is thrown if string cannot be allocated from heap
- * @param aPos The character position to replace the string
- * @param aStr The string to insert
- * @param aCharCount Character count.
- */
- void replace(long aPos, const Utf8* aStr, long aLength);
- /**
- * Erase a substring
- *
- * @since S60 5.0
- * @exception std:out_of_range is thrown if given position is invalid
- * @param aPos The character position to start erasing from
- * @param aCharCount number of characters to erase.
- */
- void erase(long aPosOffset, long aLength);
-
- /**
- * Returns unicode at given position in string
- *
- * @since S60 5.0
- * @exception std:out_of_range is thrown if requested index is invalid
- * @param aPos The requested position
- */
- Unicode operator[](long aIndex);
-
-private:
- /**
- * Initialises internal string
- * @since S60 5.0
- * @exception std:bad_alloc is thrown if string cannot be allocated from heap
- * @param aStr The string used for initialising
- */
- void initialize(const Utf8* aStr);
- /**
- * Allocates memory from heap if needed for internal string, throws if allocation fail
- * @since S60 5.0
- * @exception std:bad_alloc is thrown if string cannot be allocated from heap
- * @param aLength length of bytes to allocate
- */
- void checkBuffer(unsigned int aLength);
- /**
- * Implements the insertion functionality
- * @since S60 5.0
- * @exception std:bad_alloc is thrown if string cannot be allocated from heap
- * @param aIndex The character position to insert the copy of the string
- * @param aInsertChars The string to insert
- * @param aInsertLength The amount of characters to insert
- */
- void insertImpl(unsigned int aIndex, const char* aInsertChars, unsigned int aInsertLength);
- /**
- * Implements the append functionality
- * @since S60 5.0
- * @param aStr The string to append
- * @param aLength The amount of characters to append
- */
- void appendImpl(const char* aStr, unsigned int aLength);
- /**
- * Implements the erase functionality
- * @since S60 5.0
- * @exception std:out_of_range is thrown if given index is invalid
- * @param aIndex The character position to start erasing from
- * @param aLength The amount of characters to erase
- */
- void eraseImpl(unsigned int aIndex, unsigned int aLength);
-private:
- /**
- * Internal buffer, allocated from heap.
- * Long strings are allocated from heap
- */
- gchar* str;
- /**
- * Internal buffer, allocated from stack.
- * Short strings are allocated from stack for performance reason,
- */
- gchar internalStr[MAX_STR_LEN];
- /**
- * length of string
- */
- gsize len;
- /**
- * length of allocated bytes
- */
- gsize allocated_len;
- /**
- * Identifies if string is allocated from heap or not
- */
- bool isInHeap;
- };
-}
-
-#endif
\ No newline at end of file