1 files changed, 145 insertions, 0 deletions
diff --git a/libxsd/libxsd/cxx/tree/buffer.txx b/libxsd/libxsd/cxx/tree/buffer.txx
new file mode 100644
index 0000000..e8c2340
--- /dev/null
+++ b/libxsd/libxsd/cxx/tree/buffer.txx
@@ -0,0 +1,145 @@
+// file      : libxsd/cxx/tree/buffer.txx
+// license   : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+namespace xsd
+{
+  namespace cxx
+  {
+    namespace tree
+    {
+      template <typename C>
+      buffer<C>::
+      buffer (size_t size)
+      {
+        capacity (size);
+        size_ = size;
+      }
+
+      template <typename C>
+      buffer<C>::
+      buffer (size_t size, size_t capacity)
+      {
+        if (size > capacity)
+          throw bounds<C> ();
+
+        this->capacity (capacity);
+        size_ = size;
+      }
+
+      template <typename C>
+      buffer<C>::
+      buffer (const void* data, size_t size)
+      {
+        capacity (size);
+        size_ = size;
+
+        if (size_)
+          std::memcpy (data_, data, size_);
+      }
+
+      template <typename C>
+      buffer<C>::
+      buffer (const void* data, size_t size, size_t capacity)
+      {
+        if (size > capacity)
+          throw bounds<C> ();
+
+        this->capacity (capacity);
+        size_ = size;
+
+        if (size_)
+          std::memcpy (data_, data, size_);
+      }
+
+      template <typename C>
+      buffer<C>::
+      buffer (void* data, size_t size, size_t capacity, bool own)
+      {
+        if (size > capacity)
+          throw bounds<C> ();
+
+        data_ = reinterpret_cast<char*> (data);
+        size_ = size;
+        capacity_ = capacity;
+        free_ = own;
+      }
+
+      template <typename C>
+      buffer<C>::
+      buffer (const buffer& other)
+          : buffer_base ()
+      {
+        capacity (other.capacity_);
+        size_ = other.size_;
+
+        if (size_)
+          std::memcpy (data_, other.data_, size_);
+      }
+
+      template <typename C>
+      buffer<C>& buffer<C>::
+      operator= (const buffer& other)
+      {
+        if (this != &other)
+        {
+          capacity (other.capacity_, false);
+          size_ = other.size_;
+
+          if (size_)
+            std::memcpy (data_, other.data_, size_);
+        }
+
+        return *this;
+      }
+
+      template <typename C>
+      void buffer<C>::
+      swap (buffer& other)
+      {
+        char* tmp_data (data_);
+        size_t tmp_size (size_);
+        size_t tmp_capacity (capacity_);
+        bool tmp_free (free_);
+
+        data_ = other.data_;
+        size_ = other.size_;
+        capacity_ = other.capacity_;
+        free_ = other.free_;
+
+        other.data_ = tmp_data;
+        other.size_ = tmp_size;
+        other.capacity_ = tmp_capacity;
+        other.free_ = tmp_free;
+      }
+
+      template <typename C>
+      bool buffer<C>::
+      capacity (size_t capacity, bool copy)
+      {
+        if (size_ > capacity)
+          throw bounds<C> ();
+
+        if (capacity <= capacity_)
+        {
+          return false; // Do nothing if shrinking is requested.
+        }
+        else
+        {
+          char* data (reinterpret_cast<char*> (operator new (capacity)));
+
+          if (copy && size_ > 0)
+            std::memcpy (data, data_, size_);
+
+          if (free_ && data_)
+            operator delete (data_);
+
+          data_ = data;
+          capacity_ = capacity;
+          free_ = true;
+
+          return true;
+        }
+      }
+    }
+  }
+}