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111 lines
3.7 KiB
C++
111 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// IWYU pragma: private, include "nsString.h"
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/**
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* nsTDependentSubstring_CharT
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*
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* A string class which wraps an external array of string characters. It
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* is the client code's responsibility to ensure that the external buffer
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* remains valid for a long as the string is alive.
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*
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* NAMES:
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* nsDependentSubstring for wide characters
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* nsDependentCSubstring for narrow characters
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*/
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class nsTDependentSubstring_CharT : public nsTSubstring_CharT
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{
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public:
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typedef nsTDependentSubstring_CharT self_type;
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public:
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void Rebind( const substring_type&, uint32_t startPos, uint32_t length = size_type(-1) );
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void Rebind( const char_type* data, size_type length );
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void Rebind( const char_type* start, const char_type* end )
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{
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Rebind(start, size_type(end - start));
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}
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nsTDependentSubstring_CharT( const substring_type& str, uint32_t startPos, uint32_t length = size_type(-1) )
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: substring_type()
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{
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Rebind(str, startPos, length);
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}
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nsTDependentSubstring_CharT( const char_type* data, size_type length )
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: substring_type(const_cast<char_type*>(data), length, F_NONE) {}
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nsTDependentSubstring_CharT( const char_type* start, const char_type* end )
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: substring_type(const_cast<char_type*>(start), uint32_t(end - start), F_NONE) {}
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#if defined(CharT_is_PRUnichar) && defined(MOZ_USE_CHAR16_WRAPPER)
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nsTDependentSubstring_CharT( char16ptr_t data, size_type length )
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: nsTDependentSubstring_CharT(static_cast<const char16_t*>(data), length) {}
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nsTDependentSubstring_CharT( char16ptr_t start, char16ptr_t end )
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: nsTDependentSubstring_CharT(static_cast<const char16_t*>(start), static_cast<const char16_t*>(end)) {}
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#endif
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nsTDependentSubstring_CharT( const const_iterator& start, const const_iterator& end )
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: substring_type(const_cast<char_type*>(start.get()), uint32_t(end.get() - start.get()), F_NONE) {}
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// Create a nsTDependentSubstring to be bound later
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nsTDependentSubstring_CharT()
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: substring_type() {}
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// auto-generated copy-constructor OK (XXX really?? what about base class copy-ctor?)
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private:
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// NOT USED
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void operator=( const self_type& ); // we're immutable, you can't assign into a substring
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};
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inline
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const nsTDependentSubstring_CharT
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Substring( const nsTSubstring_CharT& str, uint32_t startPos, uint32_t length = uint32_t(-1) )
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{
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return nsTDependentSubstring_CharT(str, startPos, length);
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}
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inline
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const nsTDependentSubstring_CharT
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Substring( const nsReadingIterator<CharT>& start, const nsReadingIterator<CharT>& end )
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{
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return nsTDependentSubstring_CharT(start.get(), end.get());
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}
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inline
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const nsTDependentSubstring_CharT
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Substring( const CharT* data, uint32_t length )
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{
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return nsTDependentSubstring_CharT(data, length);
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}
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inline
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const nsTDependentSubstring_CharT
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Substring( const CharT* start, const CharT* end )
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{
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return nsTDependentSubstring_CharT(start, end);
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}
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inline
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const nsTDependentSubstring_CharT
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StringHead( const nsTSubstring_CharT& str, uint32_t count )
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{
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return nsTDependentSubstring_CharT(str, 0, count);
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}
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inline
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const nsTDependentSubstring_CharT
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StringTail( const nsTSubstring_CharT& str, uint32_t count )
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{
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return nsTDependentSubstring_CharT(str, str.Length() - count, count);
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}
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