C++ stuff sorted out.

.gitignore

@@ -22,4 +22,5 @@ missing
 # build artifacts
 src/*.o
 src/ch??ex??
+src/*.la
 

src/Makefile.am

@@ -3,14 +3,9 @@ AM_CPPFLAGS +=  -Wwrite-strings -Wmissing-declarations -Wno-long-long -Werror
 AM_CPPFLAGS +=  -Wunused-variable -std=c++14 -D_XOPEN_SOURCE -O0 -g -I.
 AM_CPPFLAGS +=  -fno-elide-constructors -Weffc++
 
-lib_LTLIBRARIES :=	libods.la
-libods_la_SOURCES :=	simplist.cc
-libods_la_CPPFLAGS :=	$(AM_CPPFLAGS)
-
 bin_PROGRAMS :=		ch01ex01 ch01ex03 ch01ex04 ch01ex05 ch01ex06
 ch01ex01_SOURCES :=	ch01ex01.cc
 ch01ex03_SOURCES :=	ch01ex03.cc
 ch01ex04_SOURCES :=	ch01ex04.cc
 ch01ex05_SOURCES :=	ch01ex05.cc
 ch01ex06_SOURCES :=	ch01ex06.cc
-ch01ex06_LDADD :=	.libs/libods.a

src/ods/list.h

@@ -1,8 +1,7 @@
-#ifndef __ODS_LIST__
-#define __ODS_LIST__
+#ifndef __ODS_ODS_LIST__
+#define __ODS_ODS_LIST__
 
-
-#include <cstddef>
+#include <cstdlib>
 
 namespace ods {
 
@@ -10,11 +9,12 @@ namespace ods {
 template<typename T>
 class List {
 public:
-	virtual std::size_t size(void);
-	virtual T get(std::size_t);
-	virtual T set(std::size_t, T);
-	virtual void add(std::size_t, T);
-	virtual T remove(std::size_t);
+	virtual ~List(void) {};
+	virtual std::size_t size(void) =0;
+	virtual T get(std::size_t) =0;
+	virtual T set(std::size_t, T) =0;
+	virtual void add(std::size_t, T) =0;
+	virtual T remove(std::size_t) =0;
 };
 
 } // end namespace ods

src/ods/simplist.h

@@ -1,15 +1,18 @@
-#ifndef __ODS_SIMPLIST__
-#define __ODS_SIMPLIST__
+#ifndef __ODS_ODS_SIMPLIST__
+#define __ODS_ODS_SIMPLIST__
 
 #include <ods/list.h>
-#include <cstddef>
+#include <cassert>
+#include <cstdlib>
+#include <stdexcept>
 
 namespace ods {
 
 template<typename T>
-class SimpList {
+class SimpList : List<T> {
 public:
 	SimpList();
+	~SimpList(void);
 	std::size_t size(void);
 	T get(std::size_t);
 	T set(std::size_t, T);
@@ -19,7 +22,86 @@ private:
 	T		*arr;
 	std::size_t	 cap;
 	std::size_t	 len;
+
+	const std::size_t DEFAULT_SIZE = 8;
 };
 
+template<typename T>
+SimpList<T>::SimpList()
+{
+	arr = new T[DEFAULT_SIZE];
+	cap = DEFAULT_SIZE;
+	len = 0;
+}
+
+template<typename T>
+SimpList<T>::~SimpList()
+{
+	delete this->arr;
+	this->cap = 0;
+	this->len = 0;
+}
+
+
+template<typename T>
+std::size_t
+SimpList<T>::size(void)
+{
+	assert(len <= cap);
+	return this->len;
+}
+
+
+template <typename T>
+T
+SimpList<T>::get(std::size_t i)
+{
+	if (i >= this->len) {
+		throw std::invalid_argument("index out of range");
+	}
+
+	return this->arr[i];
+}
+
+
+template <typename T>
+T
+SimpList<T>::set(std::size_t i, T value)
+{
+	if (i >= this->len) {
+		throw std::invalid_argument("index out of range");
+	}
+	// check size, grow as needed
+	// simple case: check append
+	// complex case: insertion
+	return value;
+}
+
+
+template <typename T>
+void
+SimpList<T>::add(std::size_t i, T value)
+{
+	if (i >= this->len) {
+		throw std::invalid_argument("index out of range");
+	}
+	assert(value);
+
+	return;
+}
+
+
+template <typename T>
+T
+SimpList<T>::remove(std::size_t i)
+{
+	if (i >= this->len) {
+		throw std::invalid_argument("index out of range");
+	}
+
+	return this->arr[i];
+}
+
 } // end namespace ods
+
 #endif

src/simplist.cc

@@ -10,9 +10,9 @@ namespace ods {
 template<typename T>
 SimpList<T>::SimpList()
 {
-	this->arr = new T[DEFAULT_SIZE];
-	this->cap = 0;
-	this->len = 0;
+	arr = new T[DEFAULT_SIZE];
+	cap = 0;
+	len = 0;
 }
 
 
@@ -21,7 +21,7 @@ std::size_t
 SimpList<T>::size(void)
 {
 	assert(len <= cap);
-	return this->len();
+	return this->len;
 }
 
 
@@ -29,22 +29,31 @@ template <typename T>
 T
 SimpList<T>::get(std::size_t i)
 {
-	i = 0;
-	throw std::invalid_argument("invalid argument");
+	if (i >= this->len) {
+		throw std::invalid_argument("index out of range");
+	}
+
+	return this->arr[i];
 }
 
 
 template <typename T>
 T
-SimpList<T>::set(std::size_t, T)
+SimpList<T>::set(std::size_t i, T value)
 {
-	throw std::invalid_argument("invalid argument");
+	if (i >= this->len) {
+		throw std::invalid_argument("index out of range");
+	}
+	// check size, grow as needed
+	// simple case: check append
+	// complex case: insertion
+	return value;
 }
 
 
 template <typename T>
 void
-SimpList<T>::add(std::size_t, T)
+SimpList<T>::add(std::size_t i, T value)
 {
 	return;
 }
@@ -52,9 +61,13 @@ SimpList<T>::add(std::size_t, T)
 
 template <typename T>
 T
-SimpList<T>::remove(std::size_t)
+SimpList<T>::remove(std::size_t i)
 {
-	throw std::invalid_argument("invalid argument");
+	if (i >= this->len) {
+		throw std::invalid_argument("index out of range");
+	}
+
+	return this->arr[i];
 }
 
 } // end namespace ods