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// file : xsde/cxx/string-sequence.cxx
// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC
// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
#include <string.h> // strcmp
#include <xsde/cxx/strdupx.hxx>
#include <xsde/cxx/string-sequence.hxx>
namespace xsde
{
namespace cxx
{
void string_sequence::
clear ()
{
for (size_t i = 0; i < size_; ++i)
#ifndef XSDE_CUSTOM_ALLOCATOR
delete[] static_cast<char**> (data_)[i];
#else
cxx::free (static_cast<char**> (data_)[i]);
#endif
size_ = 0;
}
#ifdef XSDE_EXCEPTIONS
void string_sequence::
push_back_copy (const char* cs)
{
if (capacity_ < size_ + 1)
grow_ (0, sizeof (char*), 0);
static_cast<char**> (data_)[size_++] = strdupx (cs);
}
void string_sequence::
copy (string_sequence& c) const
{
if (c.size_ != 0)
c.clear ();
c.reserve (size_);
for (; c.size_ < size_; ++c.size_)
{
static_cast<char**> (c.data_)[c.size_] =
strdupx (static_cast<char**> (data_)[c.size_]);
}
}
struct string_sequence_guard
{
string_sequence_guard (string_sequence* p) : p_ (p) {}
~string_sequence_guard ()
{
#ifndef XSDE_CUSTOM_ALLOCATOR
delete p_;
#else
if (p_ != 0)
{
p_->~string_sequence ();
cxx::free (p_);
}
#endif
}
void
release () { p_ = 0; }
private:
string_sequence* p_;
};
string_sequence* string_sequence::
_clone () const
{
#ifndef XSDE_CUSTOM_ALLOCATOR
string_sequence* c = new string_sequence;
#else
// Default string_sequence c-tor cannot throw so we don't need
// alloc_guard.
//
string_sequence* c = static_cast<string_sequence*> (
cxx::alloc (sizeof (string_sequence)));
new (c) string_sequence;
#endif
string_sequence_guard g (c);
_copy (*c);
g.release ();
return c;
}
#else
string_sequence::error string_sequence::
push_back_copy (const char* cs)
{
error r = error_none;
if (capacity_ < size_ + 1)
r = grow_ (0, sizeof (char*), 0);
if (r == error_none)
{
char* s = strdupx (cs);
if (s != 0)
static_cast<char**> (data_)[size_++] = s;
else
r = error_no_memory;
}
return r;
}
sequence_base::error string_sequence::
copy (string_sequence& c) const
{
if (c.size_ != 0)
c.clear ();
if (error r = c.reserve (size_))
return r;
for (; c.size_ < size_; ++c.size_)
{
char* x = strdupx (static_cast<char**> (data_)[c.size_]);
if (x == 0)
return error_no_memory;
static_cast<char**> (c.data_)[c.size_] = x;
}
return error_none;
}
string_sequence* string_sequence::
_clone () const
{
#ifndef XSDE_CUSTOM_ALLOCATOR
string_sequence* c = new string_sequence;
#else
string_sequence* c = static_cast<string_sequence*> (
cxx::alloc (sizeof (string_sequence)));
#endif
if (c == 0)
return 0;
#ifdef XSDE_CUSTOM_ALLOCATOR
new (c) string_sequence;
#endif
if (!_copy (*c))
{
#ifndef XSDE_CUSTOM_ALLOCATOR
delete c;
#else
c->~string_sequence ();
cxx::free (c);
#endif
return 0;
}
return c;
}
#endif
bool
operator== (const string_sequence& x, const string_sequence& y)
{
if (x.size () != y.size ())
return false;
for (size_t i = 0; i < x.size (); ++i)
if (strcmp (x[i], y[i]) != 0)
return false;
return true;
}
}
}
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