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-rw-r--r--ACE/ace/String_Base.cpp553
1 files changed, 553 insertions, 0 deletions
diff --git a/ACE/ace/String_Base.cpp b/ACE/ace/String_Base.cpp
new file mode 100644
index 00000000000..01de0963b72
--- /dev/null
+++ b/ACE/ace/String_Base.cpp
@@ -0,0 +1,553 @@
+// $Id$
+
+#ifndef ACE_STRING_BASE_CPP
+#define ACE_STRING_BASE_CPP
+
+#include "ace/ACE.h"
+#include "ace/Malloc_Base.h"
+#include "ace/String_Base.h"
+#include "ace/Auto_Ptr.h"
+#include "ace/OS_NS_string.h"
+
+#include <algorithm> // For std::swap<>
+
+#if !defined (__ACE_INLINE__)
+#include "ace/String_Base.inl"
+#endif /* __ACE_INLINE__ */
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+ACE_ALLOC_HOOK_DEFINE(ACE_String_Base)
+
+template <class CHAR>
+CHAR ACE_String_Base<CHAR>::NULL_String_ = 0;
+
+// Default constructor.
+
+template <class CHAR>
+ACE_String_Base<CHAR>::ACE_String_Base (ACE_Allocator *the_allocator)
+ : allocator_ (the_allocator ? the_allocator : ACE_Allocator::instance ()),
+ len_ (0),
+ buf_len_ (0),
+ rep_ (&ACE_String_Base<CHAR>::NULL_String_),
+ release_ (0)
+{
+ ACE_TRACE ("ACE_String_Base<CHAR>::ACE_String_Base");
+}
+
+// Constructor that actually copies memory.
+
+template <class CHAR>
+ACE_String_Base<CHAR>::ACE_String_Base (const CHAR *s,
+ ACE_Allocator *the_allocator,
+ int release)
+ : allocator_ (the_allocator ? the_allocator : ACE_Allocator::instance ()),
+ len_ (0),
+ buf_len_ (0),
+ rep_ (0),
+ release_ (0)
+{
+ ACE_TRACE ("ACE_String_Base<CHAR>::ACE_String_Base");
+ this->set (s, release);
+}
+
+template <class CHAR>
+ACE_String_Base<CHAR>::ACE_String_Base (CHAR c,
+ ACE_Allocator *the_allocator)
+ : allocator_ (the_allocator ? the_allocator : ACE_Allocator::instance ()),
+ len_ (0),
+ buf_len_ (0),
+ rep_ (0),
+ release_ (0)
+{
+ ACE_TRACE ("ACE_String_Base<CHAR>::ACE_String_Base");
+
+ this->set (&c, 1, 1);
+}
+
+// Constructor that actually copies memory.
+
+template <class CHAR>
+ACE_String_Base<CHAR>::ACE_String_Base (
+ const CHAR *s,
+ typename ACE_String_Base<CHAR>::size_type len,
+ ACE_Allocator *the_allocator,
+ int release)
+ : allocator_ (the_allocator ? the_allocator : ACE_Allocator::instance ()),
+ len_ (0),
+ buf_len_ (0),
+ rep_ (0),
+ release_ (0)
+{
+ ACE_TRACE ("ACE_String_Base<CHAR>::ACE_String_Base");
+
+ this->set (s, len, release);
+}
+
+// Copy constructor.
+
+template <class CHAR>
+ACE_String_Base<CHAR>::ACE_String_Base (const ACE_String_Base<CHAR> &s)
+ : allocator_ (s.allocator_ ? s.allocator_ : ACE_Allocator::instance ()),
+ len_ (0),
+ buf_len_ (0),
+ rep_ (0),
+ release_ (0)
+{
+ ACE_TRACE ("ACE_String_Base<CHAR>::ACE_String_Base");
+
+ this->set (s.rep_, s.len_, 1);
+}
+
+template <class CHAR>
+ACE_String_Base<CHAR>::ACE_String_Base (
+ typename ACE_String_Base<CHAR>::size_type len,
+ CHAR c,
+ ACE_Allocator *the_allocator)
+ : allocator_ (the_allocator ? the_allocator : ACE_Allocator::instance ()),
+ len_ (0),
+ buf_len_ (0),
+ rep_ (0),
+ release_ (0)
+{
+ ACE_TRACE ("ACE_String_Base<CHAR>::ACE_String_Base");
+
+ this->resize (len, c);
+}
+
+template <class CHAR>
+ACE_String_Base<CHAR>::~ACE_String_Base (void)
+{
+ ACE_TRACE ("ACE_String_Base<CHAR>::~ACE_String_Base");
+
+ if (this->buf_len_ != 0 && this->release_ != 0)
+ this->allocator_->free (this->rep_);
+}
+
+// this method might benefit from a little restructuring.
+template <class CHAR> void
+ACE_String_Base<CHAR>::set (const CHAR *s,
+ typename ACE_String_Base<CHAR>::size_type len,
+ int release)
+{
+ // Case 1. Going from memory to more memory
+ size_type new_buf_len = len + 1;
+ if (s != 0 && len != 0 && release && this->buf_len_ < new_buf_len)
+ {
+ CHAR *temp;
+ ACE_ALLOCATOR (temp,
+ (CHAR *) this->allocator_->malloc (new_buf_len * sizeof (CHAR)));
+
+ if (this->buf_len_ != 0 && this->release_ != 0)
+ this->allocator_->free (this->rep_);
+
+ this->rep_ = temp;
+ this->buf_len_ = new_buf_len;
+ this->release_ = 1;
+ this->len_ = len;
+ ACE_OS::memcpy (this->rep_, s, len * sizeof (CHAR));
+ this->rep_[len] = 0;
+ }
+ else // Case 2. No memory allocation is necessary.
+ {
+ // Free memory if necessary and figure out future ownership
+ if (release == 0 || s == 0 || len == 0)
+ {
+ if (this->buf_len_ != 0 && this->release_ != 0)
+ {
+ this->allocator_->free (this->rep_);
+ this->release_ = 0;
+ }
+ }
+ // Populate data.
+ if (s == 0 || len == 0)
+ {
+ this->buf_len_ = 0;
+ this->len_ = 0;
+ this->rep_ = &ACE_String_Base<CHAR>::NULL_String_;
+ this->release_ = 0;
+ }
+ else if (release == 0) // Note: No guarantee that rep_ is null terminated.
+ {
+ this->buf_len_ = len;
+ this->len_ = len;
+ this->rep_ = const_cast <CHAR *> (s);
+ this->release_ = 0;
+ }
+ else
+ {
+ ACE_OS::memcpy (this->rep_, s, len * sizeof (CHAR));
+ this->rep_[len] = 0;
+ this->len_ = len;
+ }
+ }
+}
+
+// Return substring.
+template <class CHAR> ACE_String_Base<CHAR>
+ACE_String_Base<CHAR>::substring (
+ typename ACE_String_Base<CHAR>::size_type offset,
+ typename ACE_String_Base<CHAR>::size_type length) const
+{
+ ACE_String_Base<CHAR> nill;
+ size_type count = length;
+
+ // case 1. empty string
+ if (this->len_ == 0)
+ return nill;
+
+ // case 2. start pos past our end
+ if (offset >= this->len_)
+ return nill;
+ // No length == empty string.
+ else if (length == 0)
+ return nill;
+ // Get all remaining bytes.
+ else if (length == npos || count > (this->len_ - offset))
+ count = this->len_ - offset;
+
+ return ACE_String_Base<CHAR> (&this->rep_[offset], count, this->allocator_);
+}
+
+template <class CHAR> ACE_String_Base<CHAR> &
+ACE_String_Base<CHAR>::append (const CHAR* s,
+ typename ACE_String_Base<CHAR>::size_type slen)
+{
+ ACE_TRACE ("ACE_String_Base<CHAR>::append(const CHAR*, size_type)");
+ if (slen > 0 && slen != npos)
+ {
+ // case 1. No memory allocation needed.
+ if (this->buf_len_ >= this->len_ + slen + 1)
+ {
+ // Copy in data from new string.
+ ACE_OS::memcpy (this->rep_ + this->len_, s, slen * sizeof (CHAR));
+ }
+ else // case 2. Memory reallocation is needed
+ {
+ const size_type new_buf_len =
+ ace_max(this->len_ + slen + 1, this->buf_len_ + this->buf_len_ / 2);
+
+ CHAR *t = 0;
+
+ ACE_ALLOCATOR_RETURN (t,
+ (CHAR *) this->allocator_->malloc (new_buf_len * sizeof (CHAR)), *this);
+
+ // Copy memory from old string into new string.
+ ACE_OS::memcpy (t, this->rep_, this->len_ * sizeof (CHAR));
+
+ ACE_OS::memcpy (t + this->len_, s, slen * sizeof (CHAR));
+
+ if (this->buf_len_ != 0 && this->release_ != 0)
+ this->allocator_->free (this->rep_);
+
+ this->release_ = 1;
+ this->rep_ = t;
+ this->buf_len_ = new_buf_len;
+ }
+
+ this->len_ += slen;
+ this->rep_[this->len_] = 0;
+ }
+
+ return *this;
+}
+
+template <class CHAR> u_long
+ACE_String_Base<CHAR>::hash (void) const
+{
+ return
+ ACE::hash_pjw (reinterpret_cast<char *> (
+ const_cast<CHAR *> (this->rep_)),
+ this->len_ * sizeof (CHAR));
+}
+
+template <class CHAR> void
+ACE_String_Base<CHAR>::resize (typename ACE_String_Base<CHAR>::size_type len,
+ CHAR c)
+{
+ ACE_TRACE ("ACE_String_Base<CHAR>::resize");
+
+ // Only reallocate if we don't have enough space...
+ if (this->buf_len_ <= len)
+ {
+ if (this->buf_len_ != 0 && this->release_ != 0)
+ this->allocator_->free (this->rep_);
+
+ this->rep_ = static_cast<CHAR*>(
+ this->allocator_->malloc ((len + 1) * sizeof (CHAR)));
+ this->buf_len_ = len + 1;
+ this->release_ = 1;
+ }
+ this->len_ = 0;
+ ACE_OS::memset (this->rep_, c, this->buf_len_ * sizeof (CHAR));
+}
+
+template <class CHAR> void
+ACE_String_Base<CHAR>::clear (int release)
+{
+ // This can't use set(), because that would free memory if release=0
+ if (release != 0)
+ {
+ if (this->buf_len_ != 0 && this->release_ != 0)
+ this->allocator_->free (this->rep_);
+
+ this->rep_ = &ACE_String_Base<CHAR>::NULL_String_;
+ this->len_ = 0;
+ this->buf_len_ = 0;
+ this->release_ = 0;
+}
+ else
+ {
+ this->fast_clear ();
+ }
+}
+
+// Assignment operator (does copy memory).
+template <class CHAR> ACE_String_Base<CHAR> &
+ACE_String_Base<CHAR>::operator= (const CHAR *s)
+{
+ ACE_TRACE ("ACE_String_Base<CHAR>::operator=");
+ if (s != 0)
+ this->set (s, 1);
+ return *this;
+}
+
+// Assignment operator (does copy memory).
+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=");
+
+ // Check for self-assignment.
+ if (this != &s)
+ {
+ this->set (s.rep_, s.len_, 1);
+ }
+
+ return *this;
+}
+
+template <class CHAR> void
+ACE_String_Base<CHAR>::set (const CHAR *s, int release)
+{
+ size_t length = 0;
+ if (s != 0)
+ length = ACE_OS::strlen (s);
+
+ this->set (s, length, release);
+}
+
+template <class CHAR> void
+ACE_String_Base<CHAR>::fast_clear (void)
+{
+ this->len_ = 0;
+ if (this->release_ != 0)
+ {
+ // String retains the original buffer.
+ if (this->rep_ != &ACE_String_Base<CHAR>::NULL_String_)
+ this->rep_[0] = 0;
+ }
+ else
+ {
+ // External buffer: string relinquishes control of it.
+ this->buf_len_ = 0;
+ this->rep_ = &ACE_String_Base<CHAR>::NULL_String_;
+ }
+}
+
+// Get a copy of the underlying representation.
+
+template <class CHAR> CHAR *
+ACE_String_Base<CHAR>::rep (void) const
+{
+ ACE_TRACE ("ACE_String_Base<CHAR>::rep");
+
+ CHAR *new_string;
+ ACE_NEW_RETURN (new_string, CHAR[this->len_ + 1], 0);
+ ACE_OS::strsncpy (new_string, this->rep_, this->len_+1);
+
+ return new_string;
+}
+
+template <class CHAR> int
+ACE_String_Base<CHAR>::compare (const ACE_String_Base<CHAR> &s) const
+{
+ ACE_TRACE ("ACE_String_Base<CHAR>::compare");
+
+ if (this->rep_ == s.rep_)
+ return 0;
+
+ // Pick smaller of the two lengths and perform the comparison.
+ size_type smaller_length = ace_min (this->len_, s.len_);
+
+ int result = ACE_OS::memcmp (this->rep_,
+ s.rep_,
+ smaller_length * sizeof (CHAR));
+
+ if (!result)
+ result = static_cast<int> (this->len_ - s.len_);
+ return result;
+}
+
+// Comparison operator.
+
+template <class CHAR> bool
+ACE_String_Base<CHAR>::operator== (const ACE_String_Base<CHAR> &s) const
+{
+ return this->len_ == s.len_ &&
+ ACE_OS::memcmp (this->rep_,
+ s.rep_,
+ this->len_ * sizeof (CHAR)) == 0;
+}
+
+template <class CHAR> bool
+ACE_String_Base<CHAR>::operator== (const CHAR *s) const
+{
+ size_t len = ACE_OS::strlen (s);
+ return this->len_ == len &&
+ ACE_OS::memcmp (this->rep_,
+ s,
+ len * sizeof (CHAR)) == 0;
+}
+
+template <class CHAR> typename ACE_String_Base<CHAR>::size_type
+ACE_String_Base<CHAR>::find (
+ const CHAR *s,
+ typename ACE_String_Base<CHAR>::size_type pos) const
+{
+ CHAR *substr = this->rep_ + pos;
+ size_t len = ACE_OS::strlen (s);
+ CHAR *pointer = ACE_OS::strnstr (substr, s, len);
+ if (pointer == 0)
+ return ACE_String_Base<CHAR>::npos;
+ else
+ return pointer - this->rep_;
+}
+
+template <class CHAR> typename ACE_String_Base<CHAR>::size_type
+ACE_String_Base<CHAR>::find (
+ CHAR c,
+ typename ACE_String_Base<CHAR>::size_type pos) const
+{
+ CHAR *substr = this->rep_ + pos;
+ CHAR *pointer = ACE_OS::strnchr (substr, c, this->len_ - pos);
+ if (pointer == 0)
+ return ACE_String_Base<CHAR>::npos;
+ else
+ return pointer - this->rep_;
+}
+
+template <class CHAR> typename ACE_String_Base<CHAR>::size_type
+ACE_String_Base<CHAR>::rfind (
+ CHAR c,
+ typename ACE_String_Base<CHAR>::size_type pos) const
+{
+ if (pos == npos || pos > this->len_)
+ pos = this->len_;
+
+ // Do not change to prefix operator! Proper operation of this loop
+ // depends on postfix decrement behavior.
+ for (size_type i = pos; i-- != 0; )
+ if (this->rep_[i] == c)
+ return i;
+
+ return ACE_String_Base<CHAR>::npos;
+}
+
+template <class CHAR> void
+ACE_String_Base<CHAR>::swap (ACE_String_Base<CHAR> & str)
+{
+ std::swap (this->allocator_ , str.allocator_);
+ std::swap (this->len_ , str.len_);
+ std::swap (this->buf_len_ , str.buf_len_);
+ std::swap (this->rep_ , str.rep_);
+ std::swap (this->release_ , str.release_);
+}
+
+// ----------------------------------------------
+
+template <class CHAR> ACE_String_Base<CHAR>
+operator+ (const ACE_String_Base<CHAR> &s, const ACE_String_Base<CHAR> &t)
+{
+ ACE_String_Base<CHAR> temp (s.length () + t.length ());
+ temp += s;
+ temp += t;
+ return temp;
+}
+
+template <class CHAR> ACE_String_Base<CHAR>
+operator+ (const CHAR *s, const ACE_String_Base<CHAR> &t)
+{
+ 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 */
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