pascal: add simple pascal string/array types

Makefile.am

@@ -108,6 +108,8 @@ UTIL_FILES   =		\
     noise/lut.hpp	\
     options.cpp		\
     options.hpp		\
+    pascal.cpp		\
+    pascal.hpp		\
     platform.hpp	\
     point.cpp		\
     point.hpp		\

pascal.cpp

@@ -0,0 +1,127 @@
+/*
+ * This file is part of libgim.
+ *
+ * libgim is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later
+ * version.
+ *
+ * libgim is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with libgim.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Copyright 2010 Danny Robson <danny@nerdcruft.net>
+ */
+
+#include "pascal.hpp"
+
+#include <stdexcept>
+
+using util::parray;
+
+
+//-----------------------------------------------------------------------------
+template <typename T>
+parray<T>::parray (size_t _size, T *_data):
+    size (_size),
+    data (_data)
+{ ; }
+
+
+//-----------------------------------------------------------------------------
+template <typename T>
+T&
+parray<T>::operator[] (size_t idx) {
+    return data[idx];
+}
+
+
+template <typename T>
+const T&
+parray<T>::operator[] (size_t idx) const {
+    return data[idx];
+}
+
+
+//-----------------------------------------------------------------------------
+template <typename T>
+T&
+parray<T>::at (size_t idx) {
+    if (idx >= size)
+        throw std::out_of_range ("invalid index for parray");
+
+    return (*this)[idx];
+}
+
+
+template <typename T>
+const T&
+parray<T>::at (size_t idx) const {
+    if (idx >= size)
+        throw std::out_of_range ("invalid index for parray");
+
+    return (*this)[idx];
+}
+
+
+//-----------------------------------------------------------------------------
+template <typename T>
+T*
+parray<T>::begin (void) {
+    return data;
+}
+
+
+template <typename T>
+T*
+parray<T>::end (void) {
+    return data + size;
+}
+
+
+//-----------------------------------------------------------------------------
+template <typename T>
+const T*
+parray<T>::cbegin (void) const {
+    return data + size;
+}
+
+
+template <typename T>
+const T*
+parray<T>::cend (void) const {
+    return data + size;
+}
+
+
+//-----------------------------------------------------------------------------
+template <typename T>
+std::ostream&
+operator<< (std::ostream &os, parray<T> p) {
+    os << "[" << p.size << ", " << std::hex << p.data << std::dec << "]";
+    return os;
+}
+
+
+template std::ostream& operator<< (std::ostream&, parray<uint16_t>);
+template std::ostream& operator<< (std::ostream&, parray<uint32_t>);
+template std::ostream& operator<< (std::ostream&, parray<uint64_t>);
+
+template std::ostream& operator<< (std::ostream&, parray<const uint16_t>);
+template std::ostream& operator<< (std::ostream&, parray<const uint32_t>);
+template std::ostream& operator<< (std::ostream&, parray<const uint64_t>);
+
+//-----------------------------------------------------------------------------
+namespace util {
+    template struct parray<uint16_t>;
+    template struct parray<uint32_t>;
+    template struct parray<uint64_t>;
+
+    template struct parray<const uint16_t>;
+    template struct parray<const uint32_t>;
+    template struct parray<const uint64_t>;
+}

pascal.hpp

@@ -0,0 +1,51 @@
+/*
+ * This file is part of libgim.
+ *
+ * libgim is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later
+ * version.
+ *
+ * libgim is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with libgim.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Copyright 2010 Danny Robson <danny@nerdcruft.net>
+ */
+
+#ifndef __UTIL_PASCAL_HPP
+#define __UTIL_PASCAL_HPP
+
+#include <cstdlib>
+#include <iostream>
+
+namespace util {
+    template <typename T>
+    struct parray {
+        parray (size_t size, T *data);
+
+        size_t   size;
+        T       *data;
+
+        T& operator[] (size_t idx);
+        const T& operator[] (size_t idx) const;
+
+        T& at (size_t idx);
+        const T& at (size_t idx) const;
+
+        T* begin (void);
+        T* end   (void);
+
+        const T* cbegin (void) const;
+        const T* cend   (void) const;
+    };
+}
+
+template <typename T>
+std::ostream& operator<< (std::ostream&, util::parray<T>);
+
+#endif