a928c3f001
[u]int32 and [u]int64 to avoid clashes with the int/unsigned int versions. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42165 a95241bf-73f2-0310-859d-f6bbb57e9c96
583 lines
16 KiB
C++
583 lines
16 KiB
C++
/*
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* Copyright 2001-2010, Haiku Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef __BSTRING__
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#define __BSTRING__
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#include <BeBuild.h>
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#include <SupportDefs.h>
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#include <string.h>
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class BStringRef;
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class BString {
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public:
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BString();
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BString(const char* string);
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BString(const BString& string);
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BString(const char* string, int32 maxLength);
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~BString();
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// Access
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const char* String() const;
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int32 Length() const;
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int32 CountChars() const;
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int32 CountBytes(int32 fromCharOffset,
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int32 charCount) const;
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bool IsEmpty() const;
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// Assignment
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BString& operator=(const BString& string);
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BString& operator=(const char* string);
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BString& operator=(char c);
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BString& SetTo(const char* string);
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BString& SetTo(const char* string, int32 maxLength);
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BString& SetTo(const BString& string);
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BString& Adopt(BString& from);
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BString& SetTo(const BString& string, int32 maxLength);
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BString& Adopt(BString& from, int32 maxLength);
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BString& SetTo(char c, int32 count);
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BString& SetToChars(const char* string, int32 charCount);
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BString& SetToChars(const BString& string, int32 charCount);
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BString& AdoptChars(BString& from, int32 charCount);
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BString& SetToFormat(const char* format, ...);
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// Substring copying
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BString& CopyInto(BString& into, int32 fromOffset,
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int32 length) const;
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void CopyInto(char* into, int32 fromOffset,
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int32 length) const;
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BString& CopyCharsInto(BString& into, int32 fromCharOffset,
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int32 charCount) const;
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bool CopyCharsInto(char* into, int32* intoLength,
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int32 fromCharOffset, int32 charCount) const;
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// Appending
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BString& operator+=(const BString& string);
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BString& operator+=(const char* string);
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BString& operator+=(char c);
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BString& Append(const BString& string);
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BString& Append(const char* string);
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BString& Append(const BString& string, int32 length);
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BString& Append(const char* string, int32 length);
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BString& Append(char c, int32 count);
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BString& AppendChars(const BString& string, int32 charCount);
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BString& AppendChars(const char* string, int32 charCount);
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// Prepending
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BString& Prepend(const char* string);
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BString& Prepend(const BString& string);
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BString& Prepend(const char* string, int32 length);
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BString& Prepend(const BString& string, int32 length);
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BString& Prepend(char c, int32 count);
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BString& PrependChars(const char* string, int32 charCount);
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BString& PrependChars(const BString& string,
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int32 charCount);
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// Inserting
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BString& Insert(const char* string, int32 position);
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BString& Insert(const char* string, int32 length,
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int32 position);
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BString& Insert(const char* string, int32 fromOffset,
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int32 length, int32 position);
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BString& Insert(const BString& string, int32 position);
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BString& Insert(const BString& string, int32 length,
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int32 position);
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BString& Insert(const BString& string, int32 fromOffset,
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int32 length, int32 position);
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BString& Insert(char c, int32 count, int32 position);
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BString& InsertChars(const char* string, int32 charPosition);
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BString& InsertChars(const char* string, int32 charCount,
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int32 charPosition);
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BString& InsertChars(const char* string,
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int32 fromCharOffset, int32 charCount,
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int32 charPosition);
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BString& InsertChars(const BString& string,
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int32 charPosition);
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BString& InsertChars(const BString& string, int32 charCount,
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int32 charPosition);
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BString& InsertChars(const BString& string,
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int32 fromCharOffset, int32 charCount,
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int32 charPosition);
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// Removing
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BString& Truncate(int32 newLength, bool lazy = true);
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BString& TruncateChars(int32 newCharCount, bool lazy = true);
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BString& Remove(int32 from, int32 length);
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BString& RemoveChars(int32 fromCharOffset, int32 charCount);
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BString& RemoveFirst(const BString& string);
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BString& RemoveLast(const BString& string);
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BString& RemoveAll(const BString& string);
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BString& RemoveFirst(const char* string);
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BString& RemoveLast(const char* string);
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BString& RemoveAll(const char* string);
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BString& RemoveSet(const char* setOfBytesToRemove);
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BString& RemoveCharsSet(const char* setOfCharsToRemove);
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BString& MoveInto(BString& into, int32 from, int32 length);
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void MoveInto(char* into, int32 from, int32 length);
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BString& MoveCharsInto(BString& into, int32 fromCharOffset,
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int32 charCount);
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bool MoveCharsInto(char* into, int32* intoLength,
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int32 fromCharOffset, int32 charCount);
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// Compare functions
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bool operator<(const BString& string) const;
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bool operator<=(const BString& string) const;
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bool operator==(const BString& string) const;
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bool operator>=(const BString& string) const;
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bool operator>(const BString& string) const;
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bool operator!=(const BString& string) const;
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bool operator<(const char* string) const;
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bool operator<=(const char* string) const;
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bool operator==(const char* string) const;
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bool operator>=(const char* string) const;
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bool operator>(const char* string) const;
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bool operator!=(const char* string) const;
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operator const char*() const;
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// strcmp()-style compare functions
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int Compare(const BString& string) const;
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int Compare(const char* string) const;
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int Compare(const BString& string, int32 length) const;
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int Compare(const char* string, int32 length) const;
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int CompareChars(const BString& string,
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int32 charCount) const;
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int CompareChars(const char* string,
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int32 charCount) const;
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int ICompare(const BString& string) const;
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int ICompare(const char* string) const;
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int ICompare(const BString& string, int32 length) const;
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int ICompare(const char* string, int32 length) const;
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// Searching
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int32 FindFirst(const BString& string) const;
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int32 FindFirst(const char* string) const;
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int32 FindFirst(const BString& string,
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int32 fromOffset) const;
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int32 FindFirst(const char* string,
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int32 fromOffset) const;
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int32 FindFirst(char c) const;
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int32 FindFirst(char c, int32 fromOffset) const;
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int32 FindFirstChars(const BString& string,
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int32 fromCharOffset) const;
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int32 FindFirstChars(const char* string,
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int32 fromCharOffset) const;
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int32 FindLast(const BString& string) const;
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int32 FindLast(const char* string) const;
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int32 FindLast(const BString& string,
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int32 beforeOffset) const;
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int32 FindLast(const char* string,
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int32 beforeOffset) const;
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int32 FindLast(char c) const;
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int32 FindLast(char c, int32 beforeOffset) const;
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int32 FindLastChars(const BString& string,
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int32 beforeCharOffset) const;
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int32 FindLastChars(const char* string,
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int32 beforeCharOffset) const;
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int32 IFindFirst(const BString& string) const;
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int32 IFindFirst(const char* string) const;
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int32 IFindFirst(const BString& string,
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int32 fromOffset) const;
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int32 IFindFirst(const char* string,
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int32 fromOffset) const;
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int32 IFindLast(const BString& string) const;
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int32 IFindLast(const char* string) const;
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int32 IFindLast(const BString& string,
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int32 beforeOffset) const;
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int32 IFindLast(const char* string,
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int32 beforeOffset) const;
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// Replacing
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BString& ReplaceFirst(char replaceThis, char withThis);
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BString& ReplaceLast(char replaceThis, char withThis);
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BString& ReplaceAll(char replaceThis, char withThis,
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int32 fromOffset = 0);
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BString& Replace(char replaceThis, char withThis,
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int32 maxReplaceCount, int32 fromOffset = 0);
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BString& ReplaceFirst(const char* replaceThis,
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const char* withThis);
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BString& ReplaceLast(const char* replaceThis,
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const char* withThis);
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BString& ReplaceAll(const char* replaceThis,
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const char* withThis, int32 fromOffset = 0);
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BString& Replace(const char* replaceThis,
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const char* withThis, int32 maxReplaceCount,
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int32 fromOffset = 0);
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BString& ReplaceAllChars(const char* replaceThis,
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const char* withThis, int32 fromCharOffset);
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BString& ReplaceChars(const char* replaceThis,
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const char* withThis, int32 maxReplaceCount,
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int32 fromCharOffset);
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BString& IReplaceFirst(char replaceThis, char withThis);
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BString& IReplaceLast(char replaceThis, char withThis);
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BString& IReplaceAll(char replaceThis, char withThis,
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int32 fromOffset = 0);
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BString& IReplace(char replaceThis, char withThis,
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int32 maxReplaceCount, int32 fromOffset = 0);
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BString& IReplaceFirst(const char* replaceThis,
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const char* withThis);
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BString& IReplaceLast(const char* replaceThis,
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const char* withThis);
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BString& IReplaceAll(const char* replaceThis,
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const char* withThis, int32 fromOffset = 0);
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BString& IReplace(const char* replaceThis,
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const char* withThis, int32 maxReplaceCount,
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int32 fromOffset = 0);
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BString& ReplaceSet(const char* setOfBytes, char with);
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BString& ReplaceSet(const char* setOfBytes,
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const char* with);
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BString& ReplaceCharsSet(const char* setOfChars,
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const char* with);
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// Unchecked char access
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char operator[](int32 index) const;
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#if __GNUC__ > 3
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BStringRef operator[](int32 index);
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#else
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char& operator[](int32 index);
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#endif
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// Checked char access
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char ByteAt(int32 index) const;
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const char* CharAt(int32 charIndex, int32* bytes = NULL) const;
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bool CharAt(int32 charIndex, char* buffer,
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int32* bytes) const;
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// Fast low-level manipulation
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char* LockBuffer(int32 maxLength);
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BString& UnlockBuffer(int32 length = -1);
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// Upercase <-> Lowercase
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BString& ToLower();
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BString& ToUpper();
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BString& Capitalize();
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BString& CapitalizeEachWord();
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// Escaping and De-escaping
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BString& CharacterEscape(const char* original,
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const char* setOfCharsToEscape,
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char escapeWith);
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BString& CharacterEscape(const char* setOfCharsToEscape,
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char escapeWith);
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BString& CharacterDeescape(const char* original,
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char escapeChar);
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BString& CharacterDeescape(char escapeChar);
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// Trimming
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BString& Trim();
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// Insert
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BString& operator<<(const char* string);
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BString& operator<<(const BString& string);
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BString& operator<<(char c);
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BString& operator<<(int value);
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BString& operator<<(unsigned int value);
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BString& operator<<(unsigned long value);
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BString& operator<<(long value);
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BString& operator<<(unsigned long long value);
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BString& operator<<(long long value);
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// float output hardcodes %.2f style formatting
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BString& operator<<(float value);
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private:
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class PosVect;
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friend class BStringRef;
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// Management
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status_t _MakeWritable();
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status_t _MakeWritable(int32 length, bool copy);
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static char* _Allocate(int32 length);
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char* _Resize(int32 length);
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void _Init(const char* src, int32 length);
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char* _Clone(const char* data, int32 length);
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char* _OpenAtBy(int32 offset, int32 length);
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char* _ShrinkAtBy(int32 offset, int32 length);
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// Data
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void _SetLength(int32 length);
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bool _DoAppend(const char* string, int32 length);
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bool _DoPrepend(const char* string, int32 length);
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bool _DoInsert(const char* string, int32 offset,
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int32 length);
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// Search
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int32 _ShortFindAfter(const char* string,
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int32 length) const;
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int32 _FindAfter(const char* string, int32 offset,
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int32 length) const;
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int32 _IFindAfter(const char* string, int32 offset,
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int32 length) const;
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int32 _FindBefore(const char* string, int32 offset,
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int32 length) const;
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int32 _IFindBefore(const char* string, int32 offset,
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int32 length) const;
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// Escape
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BString& _DoCharacterEscape(const char* string,
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const char *setOfCharsToEscape, char escapeChar);
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BString& _DoCharacterDeescape(const char* string,
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char escapeChar);
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// Replace
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BString& _DoReplace(const char* findThis,
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const char* replaceWith, int32 maxReplaceCount,
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int32 fromOffset, bool ignoreCase);
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void _ReplaceAtPositions(const PosVect* positions,
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int32 searchLength, const char* with,
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int32 withLength);
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private:
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vint32& _ReferenceCount();
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const vint32& _ReferenceCount() const;
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bool _IsShareable() const;
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void _FreePrivateData();
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char* fPrivateData;
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};
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// Commutative compare operators
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bool operator<(const char* a, const BString& b);
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bool operator<=(const char* a, const BString& b);
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bool operator==(const char* a, const BString& b);
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bool operator>(const char* a, const BString& b);
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bool operator>=(const char* a, const BString& b);
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bool operator!=(const char* a, const BString& b);
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// Non-member compare for sorting, etc.
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int Compare(const BString& a, const BString& b);
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int ICompare(const BString& a, const BString& b);
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int Compare(const BString* a, const BString* b);
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int ICompare(const BString* a, const BString* b);
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inline int32
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BString::Length() const
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{
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// the most significant bit is reserved; accessing
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// it in any way will cause the computer to explode
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return fPrivateData ? (*(((int32 *)fPrivateData) - 1) & 0x7fffffff) : 0;
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}
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inline bool
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BString::IsEmpty() const
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{
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return !Length();
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}
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inline const char*
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BString::String() const
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{
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if (!fPrivateData)
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return "";
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return fPrivateData;
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}
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inline BString &
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BString::SetTo(const char* string)
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{
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return operator=(string);
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}
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inline char
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BString::operator[](int32 index) const
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{
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return fPrivateData[index];
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}
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inline char
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BString::ByteAt(int32 index) const
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{
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if (!fPrivateData || index < 0 || index >= Length())
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return 0;
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return fPrivateData[index];
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}
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inline BString &
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BString::operator+=(const BString &string)
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{
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_DoAppend(string.String(), string.Length());
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return *this;
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}
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inline BString &
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BString::Append(const BString &string)
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{
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_DoAppend(string.String(), string.Length());
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return *this;
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}
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inline BString &
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BString::Append(const char* string)
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{
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return operator+=(string);
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}
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inline bool
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BString::operator==(const BString &string) const
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{
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return strcmp(String(), string.String()) == 0;
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}
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inline bool
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BString::operator<(const BString &string) const
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{
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return strcmp(String(), string.String()) < 0;
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}
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inline bool
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BString::operator<=(const BString &string) const
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{
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return strcmp(String(), string.String()) <= 0;
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}
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inline bool
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BString::operator>=(const BString &string) const
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{
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return strcmp(String(), string.String()) >= 0;
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}
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inline bool
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BString::operator>(const BString &string) const
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{
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return strcmp(String(), string.String()) > 0;
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}
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inline bool
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BString::operator!=(const BString &string) const
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{
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return strcmp(String(), string.String()) != 0;
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}
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inline bool
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BString::operator!=(const char* string) const
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{
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return !operator==(string);
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}
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inline
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BString::operator const char*() const
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{
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return String();
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}
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inline bool
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operator<(const char *str, const BString &string)
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{
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return string > str;
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}
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inline bool
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operator<=(const char *str, const BString &string)
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{
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return string >= str;
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}
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inline bool
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operator==(const char *str, const BString &string)
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{
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return string == str;
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}
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inline bool
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operator>(const char *str, const BString &string)
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{
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return string < str;
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}
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inline bool
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operator>=(const char *str, const BString &string)
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{
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return string <= str;
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}
|
|
|
|
|
|
inline bool
|
|
operator!=(const char *str, const BString &string)
|
|
{
|
|
return string != str;
|
|
}
|
|
|
|
|
|
// #pragma mark - BStringRef
|
|
|
|
|
|
class BStringRef {
|
|
public:
|
|
BStringRef(BString& string, int32 position);
|
|
~BStringRef() {}
|
|
|
|
operator char() const;
|
|
|
|
char* operator&();
|
|
const char* operator&() const;
|
|
|
|
BStringRef& operator=(char c);
|
|
BStringRef& operator=(const BStringRef& rc);
|
|
|
|
private:
|
|
BString& fString;
|
|
int32 fPosition;
|
|
};
|
|
|
|
#endif // __BSTRING__
|