refactor 14.5

liermei · Mar 26, 2015 · 5992e78 · 5992e78
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diff --git a/README.md b/README.md
@@ -1,10 +1,10 @@
 ##C++ Primer 5 Answers
 
-[![](https://img.shields.io/github/issues/pezy/Cpp-Primer.svg)](https://github.com/pezy/Cpp-Primer/issues)
+[![](https://img.shields.io/github/issues/pezy/CppPrimer.svg)](https://github.com/pezy/CppPrimer/issues)
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 ### Note
 
@@ -18,7 +18,7 @@
 - Please **fork**([How?](https://help.github.com/articles/fork-a-repo)) this repository first.
 - **Commit**([How?](https://help.github.com/articles/create-a-repo#commit-your-first-change)) in your own repository.
 - Give me a **pull request**([How?](https://help.github.com/articles/using-pull-requests)).
-- Syncing with([How?](https://help.github.com/articles/syncing-a-fork/)) the origin repository. This is very **important** because this repo updates frequently.
+- **Syncing** with([How?](https://help.github.com/articles/syncing-a-fork/)) the origin repository. This is very **important** because this repo updates frequently.
 
 ### Table of Contents
 

diff --git a/ch14/README.md b/ch14/README.md
@@ -201,3 +201,10 @@ Sales_data operator+(const Sales_data &lhs, const Sales_data &rhs)
 >Implement any other assignment operators your class should define. Explain which types should be used as operands and why.
 
 see [Exercise 14.24](#exercise-1424)
+
+## Exercise 14.26:
+>Define subscript operators for your `StrVec`, `String`, `StrBlob`, and `StrBlobPtr` classes.
+
+- `StrBlob` & `StrBlobPtr`: [hpp](ex14_26_StrBlob.h) | [cpp](ex14_26_StrBlob.cpp) | [Test](ex14_26_StrBlobTest.cpp)
+- `StrVec`: [hpp](ex14_26_StrVec.h) | [cpp](ex14_26_StrVec.cpp) | [Test](ex14_26_StrVecMain.cpp)
+- `String`: [hpp](ex14_26_String.h) | [cpp](ex14_26_String.cpp) | [Test](ex14_26_StringMain.cpp)
diff --git a/ch14/ex14_26_StrBlob.cpp b/ch14/ex14_26_StrBlob.cpp
@@ -0,0 +1,158 @@
+#include "ex14_26_StrBlob.h"
+#include <algorithm>
+
+//==================================================================
+//
+//		StrBlob - operators
+//
+//==================================================================
+
+bool operator==(const StrBlob &lhs, const StrBlob &rhs)
+{
+	return *lhs.data == *rhs.data;
+}
+
+bool operator!=(const StrBlob &lhs, const StrBlob &rhs)
+{
+	return !(lhs == rhs);
+}
+
+bool operator< (const StrBlob &lhs, const StrBlob &rhs)
+{
+	return std::lexicographical_compare(lhs.data->begin(), lhs.data->end(), rhs.data->begin(), rhs.data->end());
+}
+
+bool operator> (const StrBlob &lhs, const StrBlob &rhs)
+{
+	return rhs < lhs;
+}
+
+bool operator<=(const StrBlob &lhs, const StrBlob &rhs)
+{
+	return !(rhs < lhs);
+}
+
+bool operator>=(const StrBlob &lhs, const StrBlob &rhs)
+{
+	return !(lhs < rhs);
+}
+
+//================================================================
+//
+//		StrBlobPtr - operators
+//
+//================================================================
+
+bool operator==(const StrBlobPtr &lhs, const StrBlobPtr &rhs)
+{
+	return lhs.curr == rhs.curr;
+}
+
+bool operator!=(const StrBlobPtr &lhs, const StrBlobPtr &rhs)
+{
+	return !(lhs == rhs);
+}
+
+bool operator< (const StrBlobPtr &x, const StrBlobPtr &y)
+{
+	return x.curr < y.curr;
+}
+
+bool operator> (const StrBlobPtr &x, const StrBlobPtr &y)
+{
+	return x.curr > y.curr;
+}
+
+bool operator<=(const StrBlobPtr &x, const StrBlobPtr &y)
+{
+	return x.curr <= y.curr;
+}
+
+bool operator>=(const StrBlobPtr &x, const StrBlobPtr &y)
+{
+	return x.curr >= y.curr;
+}
+
+//================================================================
+//
+//		ConstStrBlobPtr - operators
+//
+//================================================================
+
+bool operator==(const ConstStrBlobPtr &lhs, const ConstStrBlobPtr &rhs)
+{
+	return lhs.curr == rhs.curr;
+}
+
+bool operator!=(const ConstStrBlobPtr &lhs, const ConstStrBlobPtr &rhs)
+{
+	return !(lhs == rhs);
+}
+
+bool operator< (const ConstStrBlobPtr &lhs, const ConstStrBlobPtr &rhs)
+{
+	return lhs.curr < rhs.curr;
+}
+
+bool operator> (const ConstStrBlobPtr &lhs, const ConstStrBlobPtr &rhs)
+{
+	return lhs.curr > rhs.curr;
+}
+
+bool operator<=(const ConstStrBlobPtr &lhs, const ConstStrBlobPtr &rhs)
+{
+	return lhs.curr <= rhs.curr;
+}
+
+bool operator>=(const ConstStrBlobPtr &lhs, const ConstStrBlobPtr &rhs)
+{
+	return lhs.curr >= rhs.curr;
+}
+
+//==================================================================
+//
+//		copy assignment operator and move assignment operator.
+//
+//==================================================================
+
+StrBlob& StrBlob::operator=(const StrBlob &lhs)
+{
+	data = make_shared<vector<string>>(*lhs.data);
+	return *this;
+}
+
+StrBlob& StrBlob::operator=(StrBlob &&rhs) NOEXCEPT
+{
+	if (this != &rhs) {
+		data = std::move(rhs.data);
+		rhs.data = nullptr;
+	}
+
+	return *this;
+}
+
+//==================================================================
+//
+//		members
+//
+//==================================================================
+
+StrBlobPtr StrBlob::begin()
+{
+	return StrBlobPtr(*this);
+}
+
+StrBlobPtr StrBlob::end()
+{
+	return StrBlobPtr(*this, data->size());
+}
+
+ConstStrBlobPtr StrBlob::cbegin() const
+{
+    return ConstStrBlobPtr(*this);
+}
+
+ConstStrBlobPtr StrBlob::cend() const
+{
+    return ConstStrBlobPtr(*this, data->size());
+}