1 files changed, 85 insertions, 0 deletions
diff --git a/src/translators/pilotdb/libpalm/Block.cpp b/src/translators/pilotdb/libpalm/Block.cpp
new file mode 100644
index 0000000..c58f6f1
--- /dev/null
+++ b/src/translators/pilotdb/libpalm/Block.cpp
@@ -0,0 +1,85 @@
+/*
+ * palm-db-tools: Encapsulate "blocks" of data.
+ * Copyright (C) 2000 by Tom Dyas ([email protected])
+ *
+ * The PalmLib::Block class represents a generic block of data. It is
+ * used to simplify passing arrays of pi_char_t around.
+ */
+
+#include <cstring>
+
+#include "Block.h"
+
+void PalmLib::Block::reserve(PalmLib::Block::size_type new_size)
+{
+    if (new_size > capacity()) {
+        // Allocate a new buffer containing a copy of the old with the
+        // remainder zero'ed out.
+        pointer new_data = new pi_char_t[new_size];
+        memcpy(new_data, m_data, m_size);
+        memset(new_data + m_size, 0, new_size - m_size);
+
+        // Replace the existing buffer.
+        delete [] m_data;
+        m_data = new_data;
+        m_size = new_size;
+    }
+}
+
+void PalmLib::Block::resize(size_type new_size)
+{
+    if (new_size < m_size) {
+        // Copy the data that will remain to a new buffer and switch to it.
+        pointer new_data = new pi_char_t[new_size];
+        memcpy(new_data, m_data, new_size);
+
+        // Replace the existing buffer.
+        delete [] m_data;
+        m_data = new_data;
+        m_size = new_size;
+    } else if (new_size > m_size) {
+        // Copy the data that will remain to a new buffer and switch to it.
+        pointer new_data = new pi_char_t[new_size];
+        memcpy(new_data, m_data, m_size);
+        memset(new_data + m_size, 0, new_size - m_size);
+
+        // Replace the existing buffer.
+        delete [] m_data;
+        m_data = new_data;
+        m_size = new_size;
+    }
+}
+
+void PalmLib::Block::assign(PalmLib::Block::const_pointer data,
+                            const PalmLib::Block::size_type size)
+{
+    clear();
+    if (data && size > 0) {
+        m_size = size;
+        m_data = new pi_char_t[m_size];
+        memcpy(m_data, data, m_size);
+    }
+}
+
+void PalmLib::Block::assign(const PalmLib::Block::size_type size,
+                            const PalmLib::Block::value_type value)
+{
+    clear();
+    if (size > 0) {
+        m_size = size;
+        m_data = new pi_char_t[m_size];
+        memset(m_data, value, m_size);
+    }
+}
+
+bool operator == (const PalmLib::Block& lhs, const PalmLib::Block& rhs)
+{
+    if (lhs.size() == rhs.size()) {
+        if (lhs.data()) {
+            if (memcmp(lhs.data(), rhs.data(), lhs.size()) != 0)
+                return false;
+        }
+        return true;
+    }
+    return false;
+}