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Imported MaNGOS revision 6767 from http://mangos.svn.sourceforge.net/svnroot/mangos/trunk/
This commit is contained in:
TheLuda
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3322 changed files with 903437 additions and 0 deletions
563
dep/ACE_wrappers/ace/String_Base.cpp
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563
dep/ACE_wrappers/ace/String_Base.cpp
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// $Id: String_Base.cpp 81138 2008-03-28 09:18:15Z johnnyw $
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#ifndef ACE_STRING_BASE_CPP
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#define ACE_STRING_BASE_CPP
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#include "ace/ACE.h"
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#include "ace/Malloc_Base.h"
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#include "ace/String_Base.h"
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#include "ace/Auto_Ptr.h"
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#include "ace/OS_NS_string.h"
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#include <algorithm> // For std::swap<>
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#if !defined (__ACE_INLINE__)
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#include "ace/String_Base.inl"
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#endif /* __ACE_INLINE__ */
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ACE_BEGIN_VERSIONED_NAMESPACE_DECL
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ACE_ALLOC_HOOK_DEFINE(ACE_String_Base)
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template <class CHAR>
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CHAR ACE_String_Base<CHAR>::NULL_String_ = 0;
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// Default constructor.
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template <class CHAR>
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ACE_String_Base<CHAR>::ACE_String_Base (ACE_Allocator *the_allocator)
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: allocator_ (the_allocator ? the_allocator : ACE_Allocator::instance ()),
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len_ (0),
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buf_len_ (0),
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rep_ (&ACE_String_Base<CHAR>::NULL_String_),
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release_ (false)
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{
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ACE_TRACE ("ACE_String_Base<CHAR>::ACE_String_Base");
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}
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// Constructor that actually copies memory.
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template <class CHAR>
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ACE_String_Base<CHAR>::ACE_String_Base (const CHAR *s,
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ACE_Allocator *the_allocator,
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bool release)
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: allocator_ (the_allocator ? the_allocator : ACE_Allocator::instance ()),
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len_ (0),
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buf_len_ (0),
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rep_ (0),
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release_ (false)
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{
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ACE_TRACE ("ACE_String_Base<CHAR>::ACE_String_Base");
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this->set (s, release);
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}
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template <class CHAR>
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ACE_String_Base<CHAR>::ACE_String_Base (CHAR c,
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ACE_Allocator *the_allocator)
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: allocator_ (the_allocator ? the_allocator : ACE_Allocator::instance ()),
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len_ (0),
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buf_len_ (0),
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rep_ (0),
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release_ (false)
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{
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ACE_TRACE ("ACE_String_Base<CHAR>::ACE_String_Base");
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this->set (&c, 1, true);
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}
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// Constructor that actually copies memory.
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template <class CHAR>
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ACE_String_Base<CHAR>::ACE_String_Base (
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const CHAR *s,
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typename ACE_String_Base<CHAR>::size_type len,
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ACE_Allocator *the_allocator,
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bool release)
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: allocator_ (the_allocator ? the_allocator : ACE_Allocator::instance ()),
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len_ (0),
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buf_len_ (0),
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rep_ (0),
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release_ (false)
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{
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ACE_TRACE ("ACE_String_Base<CHAR>::ACE_String_Base");
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this->set (s, len, release);
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}
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// Copy constructor.
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template <class CHAR>
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ACE_String_Base<CHAR>::ACE_String_Base (const ACE_String_Base<CHAR> &s)
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: allocator_ (s.allocator_ ? s.allocator_ : ACE_Allocator::instance ()),
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len_ (0),
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buf_len_ (0),
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rep_ (0),
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release_ (false)
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{
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ACE_TRACE ("ACE_String_Base<CHAR>::ACE_String_Base");
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this->set (s.rep_, s.len_, true);
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}
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template <class CHAR>
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ACE_String_Base<CHAR>::ACE_String_Base (
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typename ACE_String_Base<CHAR>::size_type len,
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CHAR c,
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ACE_Allocator *the_allocator)
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: allocator_ (the_allocator ? the_allocator : ACE_Allocator::instance ()),
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len_ (0),
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buf_len_ (0),
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rep_ (0),
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release_ (false)
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{
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ACE_TRACE ("ACE_String_Base<CHAR>::ACE_String_Base");
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this->resize (len, c);
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}
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template <class CHAR>
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ACE_String_Base<CHAR>::~ACE_String_Base (void)
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{
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ACE_TRACE ("ACE_String_Base<CHAR>::~ACE_String_Base");
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if (this->buf_len_ != 0 && this->release_)
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this->allocator_->free (this->rep_);
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}
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// this method might benefit from a little restructuring.
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template <class CHAR> void
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ACE_String_Base<CHAR>::set (const CHAR *s,
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typename ACE_String_Base<CHAR>::size_type len,
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bool release)
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{
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// Case 1. Going from memory to more memory
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size_type new_buf_len = len + 1;
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if (s != 0 && len != 0 && release && this->buf_len_ < new_buf_len)
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{
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CHAR *temp = 0;
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ACE_ALLOCATOR (temp,
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(CHAR *) this->allocator_->malloc (new_buf_len * sizeof (CHAR)));
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if (this->buf_len_ != 0 && this->release_)
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this->allocator_->free (this->rep_);
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this->rep_ = temp;
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this->buf_len_ = new_buf_len;
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this->release_ = true;
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this->len_ = len;
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ACE_OS::memcpy (this->rep_, s, len * sizeof (CHAR));
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this->rep_[len] = 0;
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}
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else // Case 2. No memory allocation is necessary.
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{
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// Free memory if necessary and figure out future ownership
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if (!release || s == 0 || len == 0)
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{
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if (this->buf_len_ != 0 && this->release_)
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{
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this->allocator_->free (this->rep_);
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this->release_ = false;
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}
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}
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// Populate data.
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if (s == 0 || len == 0)
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{
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this->buf_len_ = 0;
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this->len_ = 0;
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this->rep_ = &ACE_String_Base<CHAR>::NULL_String_;
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this->release_ = false;
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}
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else if (!release) // Note: No guarantee that rep_ is null terminated.
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{
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this->buf_len_ = len;
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this->len_ = len;
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this->rep_ = const_cast <CHAR *> (s);
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this->release_ = false;
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}
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else
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{
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ACE_OS::memcpy (this->rep_, s, len * sizeof (CHAR));
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this->rep_[len] = 0;
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this->len_ = len;
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}
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}
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}
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// Return substring.
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template <class CHAR> ACE_String_Base<CHAR>
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ACE_String_Base<CHAR>::substring (
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typename ACE_String_Base<CHAR>::size_type offset,
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typename ACE_String_Base<CHAR>::size_type length) const
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{
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ACE_String_Base<CHAR> nill;
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size_type count = length;
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// case 1. empty string
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if (this->len_ == 0)
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return nill;
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// case 2. start pos past our end
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if (offset >= this->len_)
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return nill;
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// No length == empty string.
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else if (length == 0)
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return nill;
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// Get all remaining bytes.
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else if (length == npos || count > (this->len_ - offset))
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count = this->len_ - offset;
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return ACE_String_Base<CHAR> (&this->rep_[offset], count, this->allocator_);
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}
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template <class CHAR> ACE_String_Base<CHAR> &
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ACE_String_Base<CHAR>::append (const CHAR* s,
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typename ACE_String_Base<CHAR>::size_type slen)
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{
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ACE_TRACE ("ACE_String_Base<CHAR>::append(const CHAR*, size_type)");
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if (slen > 0 && slen != npos)
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{
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// case 1. No memory allocation needed.
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if (this->buf_len_ >= this->len_ + slen + 1)
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{
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// Copy in data from new string.
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ACE_OS::memcpy (this->rep_ + this->len_, s, slen * sizeof (CHAR));
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}
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else // case 2. Memory reallocation is needed
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{
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const size_type new_buf_len =
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ace_max(this->len_ + slen + 1, this->buf_len_ + this->buf_len_ / 2);
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CHAR *t = 0;
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ACE_ALLOCATOR_RETURN (t,
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(CHAR *) this->allocator_->malloc (new_buf_len * sizeof (CHAR)), *this);
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// Copy memory from old string into new string.
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ACE_OS::memcpy (t, this->rep_, this->len_ * sizeof (CHAR));
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ACE_OS::memcpy (t + this->len_, s, slen * sizeof (CHAR));
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if (this->buf_len_ != 0 && this->release_)
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this->allocator_->free (this->rep_);
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this->release_ = true;
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this->rep_ = t;
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this->buf_len_ = new_buf_len;
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}
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this->len_ += slen;
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this->rep_[this->len_] = 0;
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}
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return *this;
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}
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template <class CHAR> u_long
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ACE_String_Base<CHAR>::hash (void) const
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{
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return
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ACE::hash_pjw (reinterpret_cast<char *> (
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const_cast<CHAR *> (this->rep_)),
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this->len_ * sizeof (CHAR));
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}
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template <class CHAR> void
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ACE_String_Base<CHAR>::resize (typename ACE_String_Base<CHAR>::size_type len,
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CHAR c)
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{
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ACE_TRACE ("ACE_String_Base<CHAR>::resize");
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fast_resize(len);
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ACE_OS::memset (this->rep_, c, this->buf_len_ * sizeof (CHAR));
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}
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template <class CHAR> void
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ACE_String_Base<CHAR>::fast_resize (size_t len)
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{
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ACE_TRACE ("ACE_String_Base<CHAR>::fast_resize");
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// Only reallocate if we don't have enough space...
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if (this->buf_len_ <= len)
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{
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if (this->buf_len_ != 0 && this->release_)
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this->allocator_->free (this->rep_);
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this->rep_ = static_cast<CHAR*>
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(this->allocator_->malloc ((len + 1) * sizeof (CHAR)));
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this->buf_len_ = len + 1;
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this->release_ = true;
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}
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this->len_ = 0;
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if (len > 0)
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this->rep_[0] = 0;
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}
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template <class CHAR> void
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ACE_String_Base<CHAR>::clear (bool release)
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{
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// This can't use set(), because that would free memory if release=false
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if (release)
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{
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if (this->buf_len_ != 0 && this->release_)
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this->allocator_->free (this->rep_);
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this->rep_ = &ACE_String_Base<CHAR>::NULL_String_;
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this->len_ = 0;
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this->buf_len_ = 0;
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this->release_ = false;
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}
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else
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{
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this->fast_clear ();
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}
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}
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// Assignment operator (does copy memory).
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template <class CHAR> ACE_String_Base<CHAR> &
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ACE_String_Base<CHAR>::operator= (const CHAR *s)
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{
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ACE_TRACE ("ACE_String_Base<CHAR>::operator=");
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if (s != 0)
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this->set (s, true);
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return *this;
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}
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// Assignment operator (does copy memory).
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template <class CHAR> ACE_String_Base<CHAR> &
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ACE_String_Base<CHAR>::operator= (const ACE_String_Base<CHAR> &s)
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{
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ACE_TRACE ("ACE_String_Base<CHAR>::operator=");
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// Check for self-assignment.
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if (this != &s)
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{
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this->set (s.rep_, s.len_, true);
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}
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return *this;
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}
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template <class CHAR> void
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ACE_String_Base<CHAR>::set (const CHAR *s, bool release)
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{
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size_t length = 0;
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if (s != 0)
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length = ACE_OS::strlen (s);
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this->set (s, length, release);
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}
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template <class CHAR> void
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ACE_String_Base<CHAR>::fast_clear (void)
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{
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this->len_ = 0;
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if (this->release_)
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{
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// String retains the original buffer.
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if (this->rep_ != &ACE_String_Base<CHAR>::NULL_String_)
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this->rep_[0] = 0;
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}
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else
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{
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// External buffer: string relinquishes control of it.
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this->buf_len_ = 0;
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this->rep_ = &ACE_String_Base<CHAR>::NULL_String_;
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}
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}
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// Get a copy of the underlying representation.
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template <class CHAR> CHAR *
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ACE_String_Base<CHAR>::rep (void) const
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{
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ACE_TRACE ("ACE_String_Base<CHAR>::rep");
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CHAR *new_string;
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ACE_NEW_RETURN (new_string, CHAR[this->len_ + 1], 0);
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ACE_OS::strsncpy (new_string, this->rep_, this->len_+1);
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return new_string;
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}
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template <class CHAR> int
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ACE_String_Base<CHAR>::compare (const ACE_String_Base<CHAR> &s) const
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{
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ACE_TRACE ("ACE_String_Base<CHAR>::compare");
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if (this->rep_ == s.rep_)
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return 0;
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// Pick smaller of the two lengths and perform the comparison.
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size_type smaller_length = ace_min (this->len_, s.len_);
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int result = ACE_OS::memcmp (this->rep_,
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s.rep_,
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smaller_length * sizeof (CHAR));
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if (!result)
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result = static_cast<int> (this->len_ - s.len_);
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return result;
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}
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// Comparison operator.
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template <class CHAR> bool
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ACE_String_Base<CHAR>::operator== (const ACE_String_Base<CHAR> &s) const
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{
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return this->len_ == s.len_ &&
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ACE_OS::memcmp (this->rep_,
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s.rep_,
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this->len_ * sizeof (CHAR)) == 0;
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}
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template <class CHAR> bool
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ACE_String_Base<CHAR>::operator== (const CHAR *s) const
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{
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size_t len = ACE_OS::strlen (s);
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return this->len_ == len &&
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ACE_OS::memcmp (this->rep_,
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s,
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len * sizeof (CHAR)) == 0;
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}
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template <class CHAR> typename ACE_String_Base<CHAR>::size_type
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ACE_String_Base<CHAR>::find (
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const CHAR *s,
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typename ACE_String_Base<CHAR>::size_type pos) const
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{
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CHAR *substr = this->rep_ + pos;
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size_t len = ACE_OS::strlen (s);
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CHAR *pointer = ACE_OS::strnstr (substr, s, len);
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if (pointer == 0)
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return ACE_String_Base<CHAR>::npos;
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else
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return pointer - this->rep_;
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}
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template <class CHAR> typename ACE_String_Base<CHAR>::size_type
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ACE_String_Base<CHAR>::find (
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CHAR c,
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typename ACE_String_Base<CHAR>::size_type pos) const
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{
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CHAR *substr = this->rep_ + pos;
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CHAR *pointer = ACE_OS::strnchr (substr, c, this->len_ - pos);
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if (pointer == 0)
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return ACE_String_Base<CHAR>::npos;
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else
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return pointer - this->rep_;
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}
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template <class CHAR> typename ACE_String_Base<CHAR>::size_type
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ACE_String_Base<CHAR>::rfind (
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CHAR c,
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typename ACE_String_Base<CHAR>::size_type pos) const
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{
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if (pos == npos || pos > this->len_)
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pos = this->len_;
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// Do not change to prefix operator! Proper operation of this loop
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// depends on postfix decrement behavior.
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for (size_type i = pos; i-- != 0; )
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if (this->rep_[i] == c)
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return i;
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return ACE_String_Base<CHAR>::npos;
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}
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template <class CHAR> void
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ACE_String_Base<CHAR>::swap (ACE_String_Base<CHAR> & str)
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{
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std::swap (this->allocator_ , str.allocator_);
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std::swap (this->len_ , str.len_);
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std::swap (this->buf_len_ , str.buf_len_);
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std::swap (this->rep_ , str.rep_);
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std::swap (this->release_ , str.release_);
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}
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// ----------------------------------------------
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template <class CHAR> ACE_String_Base<CHAR>
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operator+ (const ACE_String_Base<CHAR> &s, const ACE_String_Base<CHAR> &t)
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||||
{
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||||
ACE_String_Base<CHAR> temp (s.length () + t.length ());
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temp += s;
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||||
temp += t;
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||||
return temp;
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||||
}
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||||
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template <class CHAR> ACE_String_Base<CHAR>
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||||
operator+ (const CHAR *s, const ACE_String_Base<CHAR> &t)
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||||
{
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||||
size_t slen = 0;
|
||||
if (s != 0)
|
||||
slen = ACE_OS::strlen (s);
|
||||
ACE_String_Base<CHAR> temp (slen + t.length ());
|
||||
if (slen > 0)
|
||||
temp.append (s, slen);
|
||||
temp += t;
|
||||
return temp;
|
||||
}
|
||||
|
||||
template <class CHAR> ACE_String_Base<CHAR>
|
||||
operator+ (const ACE_String_Base<CHAR> &s, const CHAR *t)
|
||||
{
|
||||
size_t tlen = 0;
|
||||
if (t != 0)
|
||||
tlen = ACE_OS::strlen (t);
|
||||
ACE_String_Base<CHAR> temp (s.length () + tlen);
|
||||
temp += s;
|
||||
if (tlen > 0)
|
||||
temp.append (t, tlen);
|
||||
return temp;
|
||||
}
|
||||
|
||||
template <class CHAR> ACE_String_Base<CHAR>
|
||||
operator + (const ACE_String_Base<CHAR> &t,
|
||||
const CHAR c)
|
||||
{
|
||||
ACE_String_Base<CHAR> temp (t.length () + 1);
|
||||
temp += t;
|
||||
temp += c;
|
||||
return temp;
|
||||
}
|
||||
|
||||
template <class CHAR> ACE_String_Base<CHAR>
|
||||
operator + (const CHAR c,
|
||||
const ACE_String_Base<CHAR> &t)
|
||||
{
|
||||
ACE_String_Base<CHAR> temp (t.length () + 1);
|
||||
temp += c;
|
||||
temp += t;
|
||||
return temp;
|
||||
}
|
||||
|
||||
template <class CHAR>
|
||||
ACE_String_Base<CHAR> &
|
||||
ACE_String_Base<CHAR>::operator+= (const CHAR* s)
|
||||
{
|
||||
size_t slen = 0;
|
||||
if (s != 0)
|
||||
slen = ACE_OS::strlen (s);
|
||||
return this->append (s, slen);
|
||||
}
|
||||
|
||||
template <class CHAR>
|
||||
ACE_String_Base<CHAR> &
|
||||
ACE_String_Base<CHAR>::operator+= (const ACE_String_Base<CHAR> &s)
|
||||
{
|
||||
ACE_TRACE ("ACE_String_Base<CHAR>::operator+=(const ACE_String_Base<CHAR> &)");
|
||||
return this->append (s.rep_, s.len_);
|
||||
}
|
||||
|
||||
template <class CHAR>
|
||||
ACE_String_Base<CHAR> &
|
||||
ACE_String_Base<CHAR>::operator+= (const CHAR c)
|
||||
{
|
||||
ACE_TRACE ("ACE_String_Base<CHAR>::operator+=(const CHAR)");
|
||||
const size_type slen = 1;
|
||||
return this->append (&c, slen);
|
||||
}
|
||||
|
||||
ACE_END_VERSIONED_NAMESPACE_DECL
|
||||
|
||||
#endif /* ACE_STRING_BASE_CPP */
|
||||
Loading…
Add table
Add a link
Reference in a new issue