зеркало из https://github.com/mozilla/gecko-dev.git
814 строки
29 KiB
C++
814 строки
29 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications. Portions created by Netscape Communications are
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* Copyright (C) 2001 by Netscape Communications. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Scott Collins <scc@mozilla.org> (original author)
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*/
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#ifndef nsAString_h___
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#define nsAString_h___
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#ifndef nsStringFwd_h___
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#include "nsStringFwd.h"
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#endif
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#ifndef nsPrivateSharableString_h___
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#include "nsPrivateSharableString.h"
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#endif
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#ifndef nsCharTraits_h___
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#include "nsCharTraits.h"
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#endif
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#ifndef nsStringIterator_h___
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#include "nsStringIterator.h"
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#endif
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/**
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*
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*/
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class NS_COM nsAString
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: public nsPrivateSharableString
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{
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public:
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typedef nsAString self_type;
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typedef nsAPromiseString promise_type;
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typedef PRUnichar char_type;
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typedef char incompatible_char_type;
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typedef nsReadingIterator<char_type> const_iterator;
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typedef nsWritingIterator<char_type> iterator;
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typedef PRUint32 size_type;
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typedef PRUint32 index_type;
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// nsAString(); // auto-generated default constructor OK (we're abstract anyway)
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// nsAString( const self_type& ); // auto-generated copy-constructor OK (again, only because we're abstract)
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virtual ~nsAString() { } // ...yes, I expect to be sub-classed
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inline const_iterator& BeginReading( const_iterator& ) const;
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inline const_iterator& EndReading( const_iterator& ) const;
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inline iterator& BeginWriting( iterator& );
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inline iterator& EndWriting( iterator& );
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virtual size_type Length() const = 0;
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PRBool IsEmpty() const { return Length() == 0; }
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inline PRBool Equals( const self_type& ) const;
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PRBool Equals( const char_type* ) const;
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/**
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* |CharAt|, |operator[]|, |First()|, and |Last()| are not guaranteed to be constant-time operations.
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* These signatures should be pushed down into interfaces that guarantee flat allocation.
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* Clients at _this_ level should always use iterators.
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*/
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char_type First() const;
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char_type Last() const;
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size_type CountChar( char_type ) const;
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/*
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|Left|, |Mid|, and |Right| are annoying signatures that seem better almost
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any _other_ way than they are now. Consider these alternatives
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aWritable = aReadable.Left(17); // ...a member function that returns a |Substring|
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aWritable = Left(aReadable, 17); // ...a global function that returns a |Substring|
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Left(aReadable, 17, aWritable); // ...a global function that does the assignment
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as opposed to the current signature
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aReadable.Left(aWritable, 17); // ...a member function that does the assignment
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or maybe just stamping them out in favor of |Substring|, they are just duplicate functionality
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aWritable = Substring(aReadable, 0, 17);
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*/
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size_type Left( self_type&, size_type ) const;
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size_type Mid( self_type&, PRUint32, PRUint32 ) const;
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size_type Right( self_type&, size_type ) const;
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// Find( ... ) const;
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PRInt32 FindChar( char_type, index_type aOffset = 0 ) const;
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// FindCharInSet( ... ) const;
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// RFind( ... ) const;
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// RFindChar( ... ) const;
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// RFindCharInSet( ... ) const;
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/**
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* |SetCapacity| is not required to do anything; however, it can be used
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* as a hint to the implementation to reduce allocations.
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* |SetCapacity(0)| is a suggestion to discard all associated storage.
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*/
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virtual void SetCapacity( size_type ) { }
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/**
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* |SetLength| is used in two ways:
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* 1) to |Cut| a suffix of the string;
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* 2) to prepare to |Append| or move characters around.
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*
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* External callers are not allowed to use |SetLength| is this latter capacity.
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* Should this really be a public operation?
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* Additionally, your implementation of |SetLength| need not satisfy (2) if and only if you
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* override the |do_...| routines to not need this facility.
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*
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* This distinction makes me think the two different uses should be split into
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* two distinct functions.
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*/
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virtual void SetLength( size_type ) { }
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void
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Truncate( size_type aNewLength=0 )
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{
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NS_ASSERTION(aNewLength<=this->Length(), "Can't use |Truncate()| to make a string longer.");
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if ( aNewLength < this->Length() )
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SetLength(aNewLength);
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}
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// PRBool SetCharAt( char_type, index_type ) = 0;
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// void ToLowerCase();
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// void ToUpperCase();
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// void StripChars( const char_type* aSet );
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// void StripChar( ... );
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// void StripWhitespace();
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// void ReplaceChar( ... );
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// void ReplaceSubstring( ... );
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// void Trim( ... );
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// void CompressSet( ... );
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// void CompressWhitespace( ... );
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//
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// |Assign()|, |operator=()|
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//
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void Assign( const self_type& aReadable ) { AssignFromReadable(aReadable); }
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inline void Assign( const promise_type& aReadable );
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void Assign( const char_type* aPtr ) { aPtr ? do_AssignFromElementPtr(aPtr) : SetLength(0); }
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void Assign( const char_type* aPtr, size_type aLength ) { do_AssignFromElementPtrLength(aPtr, aLength); }
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void Assign( char_type aChar ) { do_AssignFromElement(aChar); }
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// copy-assignment operator. I must define my own if I don't want the compiler to make me one
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self_type& operator=( const self_type& aReadable ) { Assign(aReadable); return *this; }
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self_type& operator=( const promise_type& aReadable ) { Assign(aReadable); return *this; }
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self_type& operator=( const char_type* aPtr ) { Assign(aPtr); return *this; }
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self_type& operator=( char_type aChar ) { Assign(aChar); return *this; }
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//
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// |Append()|, |operator+=()|
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//
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void Append( const self_type& aReadable ) { AppendFromReadable(aReadable); }
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inline void Append( const promise_type& aReadable );
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void Append( const char_type* aPtr ) { if (aPtr) do_AppendFromElementPtr(aPtr); }
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void Append( const char_type* aPtr, size_type aLength ) { do_AppendFromElementPtrLength(aPtr, aLength); }
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void Append( char_type aChar ) { do_AppendFromElement(aChar); }
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self_type& operator+=( const self_type& aReadable ) { Append(aReadable); return *this; }
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self_type& operator+=( const promise_type& aReadable ) { Append(aReadable); return *this; }
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self_type& operator+=( const char_type* aPtr ) { Append(aPtr); return *this; }
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self_type& operator+=( char_type aChar ) { Append(aChar); return *this; }
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/**
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* The following index based routines need to be recast with iterators.
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*/
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//
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// |Insert()|
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// Note: I would really like to move the |atPosition| parameter to the front of the argument list
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//
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void Insert( const self_type& aReadable, index_type atPosition ) { InsertFromReadable(aReadable, atPosition); }
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inline void Insert( const promise_type& aReadable, index_type atPosition );
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void Insert( const char_type* aPtr, index_type atPosition ) { if (aPtr) do_InsertFromElementPtr(aPtr, atPosition); }
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void Insert( const char_type* aPtr, index_type atPosition, size_type aLength ) { do_InsertFromElementPtrLength(aPtr, atPosition, aLength); }
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void Insert( char_type aChar, index_type atPosition ) { do_InsertFromElement(aChar, atPosition); }
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virtual void Cut( index_type cutStart, size_type cutLength );
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void Replace( index_type cutStart, size_type cutLength, const self_type& aReadable ) { ReplaceFromReadable(cutStart, cutLength, aReadable); }
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// void Replace( index_type cutStart, size_type cutLength, const promise_type& aReadable ) { ReplaceFromPromise(cutStart, cutLength, aReadable); }
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private:
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// NOT TO BE IMPLEMENTED
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index_type CountChar( incompatible_char_type ) const;
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void operator= ( incompatible_char_type );
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void Assign ( incompatible_char_type );
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void operator+= ( incompatible_char_type );
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void Append ( incompatible_char_type );
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void Insert ( incompatible_char_type, index_type );
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protected:
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void AssignFromReadable( const self_type& );
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void AssignFromPromise( const self_type& );
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virtual void do_AssignFromReadable( const self_type& );
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virtual void do_AssignFromElementPtr( const char_type* );
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virtual void do_AssignFromElementPtrLength( const char_type*, size_type );
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virtual void do_AssignFromElement( char_type );
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void AppendFromReadable( const self_type& );
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void AppendFromPromise( const self_type& );
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virtual void do_AppendFromReadable( const self_type& );
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virtual void do_AppendFromElementPtr( const char_type* );
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virtual void do_AppendFromElementPtrLength( const char_type*, size_type );
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virtual void do_AppendFromElement( char_type );
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void InsertFromReadable( const self_type&, index_type );
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void InsertFromPromise( const self_type&, index_type );
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virtual void do_InsertFromReadable( const self_type&, index_type );
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virtual void do_InsertFromElementPtr( const char_type*, index_type );
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virtual void do_InsertFromElementPtrLength( const char_type*, index_type, size_type );
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virtual void do_InsertFromElement( char_type, index_type );
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void ReplaceFromReadable( index_type, size_type, const self_type& );
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void ReplaceFromPromise( index_type, size_type, const self_type& );
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virtual void do_ReplaceFromReadable( index_type, size_type, const self_type& );
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// protected:
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public:
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virtual const char_type* GetReadableFragment( nsReadableFragment<char_type>&, nsFragmentRequest, PRUint32 = 0 ) const = 0;
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virtual char_type* GetWritableFragment( nsWritableFragment<char_type>&, nsFragmentRequest, PRUint32 = 0 ) = 0;
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virtual PRBool IsDependentOn( const self_type& aString ) const { return &aString == this; }
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};
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class NS_COM nsACString
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: public nsPrivateSharableCString
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{
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public:
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typedef nsACString self_type;
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typedef nsAPromiseCString promise_type;
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typedef char char_type;
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typedef PRUnichar incompatible_char_type;
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typedef nsReadingIterator<char_type> const_iterator;
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typedef nsWritingIterator<char_type> iterator;
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typedef PRUint32 size_type;
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typedef PRUint32 index_type;
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// nsACString(); // auto-generated default constructor OK (we're abstract anyway)
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// nsACString( const self_type& ); // auto-generated copy-constructor OK (again, only because we're abstract)
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virtual ~nsACString() { } // ...yes, I expect to be sub-classed
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inline const_iterator& BeginReading( const_iterator& ) const;
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inline const_iterator& EndReading( const_iterator& ) const;
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inline iterator& BeginWriting( iterator& );
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inline iterator& EndWriting( iterator& );
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virtual size_type Length() const = 0;
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PRBool IsEmpty() const { return Length() == 0; }
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inline PRBool Equals( const self_type& ) const;
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PRBool Equals( const char_type* ) const;
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/**
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* |CharAt|, |operator[]|, |First()|, and |Last()| are not guaranteed to be constant-time operations.
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* These signatures should be pushed down into interfaces that guarantee flat allocation.
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* Clients at _this_ level should always use iterators.
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*/
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char_type First() const;
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char_type Last() const;
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size_type CountChar( char_type ) const;
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/*
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|Left|, |Mid|, and |Right| are annoying signatures that seem better almost
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any _other_ way than they are now. Consider these alternatives
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aWritable = aReadable.Left(17); // ...a member function that returns a |Substring|
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aWritable = Left(aReadable, 17); // ...a global function that returns a |Substring|
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Left(aReadable, 17, aWritable); // ...a global function that does the assignment
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as opposed to the current signature
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aReadable.Left(aWritable, 17); // ...a member function that does the assignment
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or maybe just stamping them out in favor of |Substring|, they are just duplicate functionality
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aWritable = Substring(aReadable, 0, 17);
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*/
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size_type Left( self_type&, size_type ) const;
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size_type Mid( self_type&, PRUint32, PRUint32 ) const;
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size_type Right( self_type&, size_type ) const;
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// Find( ... ) const;
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PRInt32 FindChar( char_type, PRUint32 aOffset = 0 ) const;
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// FindCharInSet( ... ) const;
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// RFind( ... ) const;
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// RFindChar( ... ) const;
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// RFindCharInSet( ... ) const;
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/**
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* |SetCapacity| is not required to do anything; however, it can be used
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* as a hint to the implementation to reduce allocations.
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* |SetCapacity(0)| is a suggestion to discard all associated storage.
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*/
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virtual void SetCapacity( size_type ) { }
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/**
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* |SetLength| is used in two ways:
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* 1) to |Cut| a suffix of the string;
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* 2) to prepare to |Append| or move characters around.
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*
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* External callers are not allowed to use |SetLength| is this latter capacity.
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* Should this really be a public operation?
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* Additionally, your implementation of |SetLength| need not satisfy (2) if and only if you
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* override the |do_...| routines to not need this facility.
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*
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* This distinction makes me think the two different uses should be split into
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* two distinct functions.
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*/
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virtual void SetLength( size_type ) { }
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void
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Truncate( size_type aNewLength=0 )
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{
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NS_ASSERTION(aNewLength<=this->Length(), "Can't use |Truncate()| to make a string longer.");
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if ( aNewLength < this->Length() )
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SetLength(aNewLength);
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}
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// PRBool SetCharAt( char_type, index_type ) = 0;
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// void ToLowerCase();
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// void ToUpperCase();
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// void StripChars( const char_type* aSet );
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// void StripChar( ... );
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// void StripWhitespace();
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// void ReplaceChar( ... );
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// void ReplaceSubstring( ... );
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// void Trim( ... );
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// void CompressSet( ... );
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// void CompressWhitespace( ... );
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//
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// |Assign()|, |operator=()|
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//
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void Assign( const self_type& aReadable ) { AssignFromReadable(aReadable); }
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inline void Assign( const promise_type& aReadable );
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void Assign( const char_type* aPtr ) { aPtr ? do_AssignFromElementPtr(aPtr) : SetLength(0); }
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void Assign( const char_type* aPtr, size_type aLength ) { do_AssignFromElementPtrLength(aPtr, aLength); }
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void Assign( char_type aChar ) { do_AssignFromElement(aChar); }
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// copy-assignment operator. I must define my own if I don't want the compiler to make me one
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self_type& operator=( const self_type& aReadable ) { Assign(aReadable); return *this; }
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self_type& operator=( const promise_type& aReadable ) { Assign(aReadable); return *this; }
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self_type& operator=( const char_type* aPtr ) { Assign(aPtr); return *this; }
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self_type& operator=( char_type aChar ) { Assign(aChar); return *this; }
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//
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// |Append()|, |operator+=()|
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//
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void Append( const self_type& aReadable ) { AppendFromReadable(aReadable); }
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inline void Append( const promise_type& aReadable );
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void Append( const char_type* aPtr ) { if (aPtr) do_AppendFromElementPtr(aPtr); }
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void Append( const char_type* aPtr, size_type aLength ) { do_AppendFromElementPtrLength(aPtr, aLength); }
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void Append( char_type aChar ) { do_AppendFromElement(aChar); }
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self_type& operator+=( const self_type& aReadable ) { Append(aReadable); return *this; }
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self_type& operator+=( const promise_type& aReadable ) { Append(aReadable); return *this; }
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self_type& operator+=( const char_type* aPtr ) { Append(aPtr); return *this; }
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self_type& operator+=( char_type aChar ) { Append(aChar); return *this; }
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/**
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* The following index based routines need to be recast with iterators.
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*/
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//
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// |Insert()|
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// Note: I would really like to move the |atPosition| parameter to the front of the argument list
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//
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void Insert( const self_type& aReadable, index_type atPosition ) { InsertFromReadable(aReadable, atPosition); }
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inline void Insert( const promise_type& aReadable, index_type atPosition );
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void Insert( const char_type* aPtr, index_type atPosition ) { if (aPtr) do_InsertFromElementPtr(aPtr, atPosition); }
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void Insert( const char_type* aPtr, index_type atPosition, size_type aLength ) { do_InsertFromElementPtrLength(aPtr, atPosition, aLength); }
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void Insert( char_type aChar, index_type atPosition ) { do_InsertFromElement(aChar, atPosition); }
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virtual void Cut( index_type cutStart, size_type cutLength );
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void Replace( index_type cutStart, size_type cutLength, const self_type& aReadable ) { ReplaceFromReadable(cutStart, cutLength, aReadable); }
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// void Replace( index_type cutStart, size_type cutLength, const promise_type& aReadable ) { ReplaceFromPromise(cutStart, cutLength, aReadable); }
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private:
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// NOT TO BE IMPLEMENTED
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index_type CountChar( incompatible_char_type ) const;
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void operator= ( incompatible_char_type );
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void Assign ( incompatible_char_type );
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void operator+= ( incompatible_char_type );
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void Append ( incompatible_char_type );
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void Insert ( incompatible_char_type, index_type );
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protected:
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void AssignFromReadable( const self_type& );
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void AssignFromPromise( const self_type& );
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virtual void do_AssignFromReadable( const self_type& );
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virtual void do_AssignFromElementPtr( const char_type* );
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virtual void do_AssignFromElementPtrLength( const char_type*, size_type );
|
|
virtual void do_AssignFromElement( char_type );
|
|
|
|
void AppendFromReadable( const self_type& );
|
|
void AppendFromPromise( const self_type& );
|
|
virtual void do_AppendFromReadable( const self_type& );
|
|
virtual void do_AppendFromElementPtr( const char_type* );
|
|
virtual void do_AppendFromElementPtrLength( const char_type*, size_type );
|
|
virtual void do_AppendFromElement( char_type );
|
|
|
|
void InsertFromReadable( const self_type&, index_type );
|
|
void InsertFromPromise( const self_type&, index_type );
|
|
virtual void do_InsertFromReadable( const self_type&, index_type );
|
|
virtual void do_InsertFromElementPtr( const char_type*, index_type );
|
|
virtual void do_InsertFromElementPtrLength( const char_type*, index_type, size_type );
|
|
virtual void do_InsertFromElement( char_type, index_type );
|
|
|
|
void ReplaceFromReadable( index_type, size_type, const self_type& );
|
|
void ReplaceFromPromise( index_type, size_type, const self_type& );
|
|
virtual void do_ReplaceFromReadable( index_type, size_type, const self_type& );
|
|
|
|
|
|
// protected:
|
|
public:
|
|
virtual const char_type* GetReadableFragment( nsReadableFragment<char_type>&, nsFragmentRequest, PRUint32 = 0 ) const = 0;
|
|
virtual char_type* GetWritableFragment( nsWritableFragment<char_type>&, nsFragmentRequest, PRUint32 = 0 ) = 0;
|
|
virtual PRBool IsDependentOn( const self_type& aString ) const { return &aString == this; }
|
|
};
|
|
|
|
#include "nsAPromiseString.h"
|
|
|
|
inline
|
|
void
|
|
nsAString::Assign( const nsAPromiseString& aReadable )
|
|
{
|
|
AssignFromPromise(aReadable);
|
|
}
|
|
|
|
inline
|
|
void
|
|
nsAString::Append( const nsAPromiseString& aReadable )
|
|
{
|
|
AppendFromPromise(aReadable);
|
|
}
|
|
|
|
inline
|
|
void
|
|
nsAString::Insert( const nsAPromiseString& aReadable, index_type atPosition )
|
|
{
|
|
InsertFromPromise(aReadable, atPosition);
|
|
}
|
|
|
|
inline
|
|
void
|
|
nsACString::Assign( const nsAPromiseCString& aReadable )
|
|
{
|
|
AssignFromPromise(aReadable);
|
|
}
|
|
|
|
inline
|
|
void
|
|
nsACString::Append( const nsAPromiseCString& aReadable )
|
|
{
|
|
AppendFromPromise(aReadable);
|
|
}
|
|
|
|
inline
|
|
void
|
|
nsACString::Insert( const nsAPromiseCString& aReadable, index_type atPosition )
|
|
{
|
|
InsertFromPromise(aReadable, atPosition);
|
|
}
|
|
|
|
|
|
/**
|
|
* Note: measure -- should the |Begin...| and |End...| be |inline|?
|
|
*/
|
|
inline
|
|
nsAString::const_iterator&
|
|
nsAString::BeginReading( const_iterator& aResult ) const
|
|
{
|
|
aResult.mOwningString = this;
|
|
GetReadableFragment(aResult.mFragment, kFirstFragment);
|
|
aResult.mPosition = aResult.mFragment.mStart;
|
|
aResult.normalize_forward();
|
|
return aResult;
|
|
}
|
|
|
|
inline
|
|
nsAString::const_iterator&
|
|
nsAString::EndReading( const_iterator& aResult ) const
|
|
{
|
|
aResult.mOwningString = this;
|
|
GetReadableFragment(aResult.mFragment, kLastFragment);
|
|
aResult.mPosition = aResult.mFragment.mEnd;
|
|
// must not |normalize_backward| as that would likely invalidate tests like |while ( first != last )|
|
|
return aResult;
|
|
}
|
|
|
|
inline
|
|
nsAString::iterator&
|
|
nsAString::BeginWriting( iterator& aResult )
|
|
{
|
|
aResult.mOwningString = this;
|
|
GetWritableFragment(aResult.mFragment, kFirstFragment);
|
|
aResult.mPosition = aResult.mFragment.mStart;
|
|
aResult.normalize_forward();
|
|
return aResult;
|
|
}
|
|
|
|
|
|
inline
|
|
nsAString::iterator&
|
|
nsAString::EndWriting( iterator& aResult )
|
|
{
|
|
aResult.mOwningString = this;
|
|
GetWritableFragment(aResult.mFragment, kLastFragment);
|
|
aResult.mPosition = aResult.mFragment.mEnd;
|
|
// must not |normalize_backward| as that would likely invalidate tests like |while ( first != last )|
|
|
return aResult;
|
|
}
|
|
|
|
class NS_COM nsStringComparator
|
|
{
|
|
public:
|
|
virtual int operator()( const PRUnichar*, const PRUnichar*, PRUint32 aLength ) const = 0;
|
|
};
|
|
|
|
class NS_COM nsDefaultStringComparator
|
|
: public nsStringComparator
|
|
{
|
|
public:
|
|
virtual int operator()( const PRUnichar*, const PRUnichar*, PRUint32 aLength ) const;
|
|
};
|
|
|
|
class NS_COM nsCaseInsensitiveStringComparator
|
|
: public nsStringComparator
|
|
{
|
|
public:
|
|
virtual int operator()( const PRUnichar*, const PRUnichar*, PRUint32 aLength ) const;
|
|
};
|
|
|
|
NS_COM int Compare( const nsAString& lhs, const nsAString& rhs, const nsStringComparator& = nsDefaultStringComparator() );
|
|
|
|
inline
|
|
PRBool
|
|
nsAString::Equals( const self_type& rhs ) const
|
|
{
|
|
return Length()==rhs.Length() && Compare(*this, rhs)==0;
|
|
}
|
|
|
|
inline
|
|
PRBool
|
|
operator!=( const nsAString& lhs, const nsAString& rhs )
|
|
{
|
|
return !lhs.Equals(rhs);
|
|
}
|
|
|
|
inline
|
|
PRBool
|
|
operator< ( const nsAString& lhs, const nsAString& rhs )
|
|
{
|
|
return Compare(lhs, rhs)< 0;
|
|
}
|
|
|
|
inline
|
|
PRBool
|
|
operator<=( const nsAString& lhs, const nsAString& rhs )
|
|
{
|
|
return Compare(lhs, rhs)<=0;
|
|
}
|
|
|
|
inline
|
|
PRBool
|
|
operator==( const nsAString& lhs, const nsAString& rhs )
|
|
{
|
|
return lhs.Equals(rhs);
|
|
}
|
|
|
|
inline
|
|
PRBool
|
|
operator>=( const nsAString& lhs, const nsAString& rhs )
|
|
{
|
|
return Compare(lhs, rhs)>=0;
|
|
}
|
|
|
|
inline
|
|
PRBool
|
|
operator> ( const nsAString& lhs, const nsAString& rhs )
|
|
{
|
|
return Compare(lhs, rhs)> 0;
|
|
}
|
|
|
|
inline
|
|
nsAString::size_type
|
|
nsAString::Left( nsAString& aResult, size_type aLengthToCopy ) const
|
|
{
|
|
return Mid(aResult, 0, aLengthToCopy);
|
|
}
|
|
|
|
|
|
/**
|
|
*
|
|
*/
|
|
|
|
inline
|
|
nsACString::const_iterator&
|
|
nsACString::BeginReading( const_iterator& aResult ) const
|
|
{
|
|
aResult.mOwningString = this;
|
|
GetReadableFragment(aResult.mFragment, kFirstFragment);
|
|
aResult.mPosition = aResult.mFragment.mStart;
|
|
aResult.normalize_forward();
|
|
return aResult;
|
|
}
|
|
|
|
inline
|
|
nsACString::const_iterator&
|
|
nsACString::EndReading( const_iterator& aResult ) const
|
|
{
|
|
aResult.mOwningString = this;
|
|
GetReadableFragment(aResult.mFragment, kLastFragment);
|
|
aResult.mPosition = aResult.mFragment.mEnd;
|
|
// must not |normalize_backward| as that would likely invalidate tests like |while ( first != last )|
|
|
return aResult;
|
|
}
|
|
|
|
inline
|
|
nsACString::iterator&
|
|
nsACString::BeginWriting( iterator& aResult )
|
|
{
|
|
aResult.mOwningString = this;
|
|
GetWritableFragment(aResult.mFragment, kFirstFragment);
|
|
aResult.mPosition = aResult.mFragment.mStart;
|
|
aResult.normalize_forward();
|
|
return aResult;
|
|
}
|
|
|
|
|
|
inline
|
|
nsACString::iterator&
|
|
nsACString::EndWriting( iterator& aResult )
|
|
{
|
|
aResult.mOwningString = this;
|
|
GetWritableFragment(aResult.mFragment, kLastFragment);
|
|
aResult.mPosition = aResult.mFragment.mEnd;
|
|
// must not |normalize_backward| as that would likely invalidate tests like |while ( first != last )|
|
|
return aResult;
|
|
}
|
|
|
|
|
|
class NS_COM nsCStringComparator
|
|
{
|
|
public:
|
|
virtual int operator()( const char*, const char*, PRUint32 aLength ) const = 0;
|
|
};
|
|
|
|
class NS_COM nsDefaultCStringComparator
|
|
: public nsCStringComparator
|
|
{
|
|
public:
|
|
virtual int operator()( const char*, const char*, PRUint32 aLength ) const;
|
|
};
|
|
|
|
class NS_COM nsCaseInsensitiveCStringComparator
|
|
: public nsCStringComparator
|
|
{
|
|
public:
|
|
virtual int operator()( const char*, const char*, PRUint32 aLength ) const;
|
|
};
|
|
|
|
NS_COM int Compare( const nsACString& lhs, const nsACString& rhs, const nsCStringComparator& = nsDefaultCStringComparator() );
|
|
|
|
inline
|
|
PRBool
|
|
nsACString::Equals( const self_type& rhs ) const
|
|
{
|
|
return Length()==rhs.Length() && Compare(*this, rhs)==0;
|
|
}
|
|
|
|
inline
|
|
PRBool
|
|
operator!=( const nsACString& lhs, const nsACString& rhs )
|
|
{
|
|
return !lhs.Equals(rhs);
|
|
}
|
|
|
|
inline
|
|
PRBool
|
|
operator< ( const nsACString& lhs, const nsACString& rhs )
|
|
{
|
|
return Compare(lhs, rhs)< 0;
|
|
}
|
|
|
|
inline
|
|
PRBool
|
|
operator<=( const nsACString& lhs, const nsACString& rhs )
|
|
{
|
|
return Compare(lhs, rhs)<=0;
|
|
}
|
|
|
|
inline
|
|
PRBool
|
|
operator==( const nsACString& lhs, const nsACString& rhs )
|
|
{
|
|
return lhs.Equals(rhs);
|
|
}
|
|
|
|
inline
|
|
PRBool
|
|
operator>=( const nsACString& lhs, const nsACString& rhs )
|
|
{
|
|
return Compare(lhs, rhs)>=0;
|
|
}
|
|
|
|
inline
|
|
PRBool
|
|
operator> ( const nsACString& lhs, const nsACString& rhs )
|
|
{
|
|
return Compare(lhs, rhs)> 0;
|
|
}
|
|
|
|
inline
|
|
nsACString::size_type
|
|
nsACString::Left( nsACString& aResult, size_type aLengthToCopy ) const
|
|
{
|
|
return Mid(aResult, 0, aLengthToCopy);
|
|
}
|
|
|
|
// Once you've got strings, you shouldn't need to do anything else to have concatenation
|
|
#ifndef nsDependentConcatenation_h___
|
|
#include "nsDependentConcatenation.h"
|
|
#endif
|
|
|
|
#endif // !defined(nsAString_h___)
|