feat(Week05): Add solutions

1 files changed, 67 insertions, 0 deletions

diff --git a/Week05/Exercise02/Text.cpp b/Week05/Exercise02/Text.cpp
new file mode 100644
index 0000000..b6143c0
--- /dev/null
+++ b/Week05/Exercise02/Text.cpp
@@ -0,0 +1,67 @@
+#include "Text.h"
+
+void Text::free() {
+	delete[] lines;
+}
+
+void Text::copyFrom(const Text& other) {
+	lineCount = other.lineCount;
+
+	lines = new String[lineCount];
+	for (unsigned i = 0; i < lineCount; ++i)
+		lines[i] = other.lines[i];
+}
+
+Text::Text() {
+	lines = nullptr;
+	lineCount = 0;
+}
+
+Text::~Text() {
+	free();
+}
+
+Text::Text(const Text& other) {
+	copyFrom(other);
+}
+
+Text& Text::operator=(const Text& other) {
+	if (this != &other) {
+		free();
+		copyFrom(other);
+	}
+	return *this;
+}
+
+Text::Text(Text&& other) {
+	lines = other.lines;
+	lineCount = other.lineCount;
+
+	other.lines = nullptr;
+	other.lineCount = 0;
+}
+
+unsigned Text::LineCount() const {
+	return lineCount;
+}
+
+unsigned Text::WordCount() const {
+	unsigned totalCount = 0;
+
+	for (unsigned i = 0; i < lineCount; ++i)
+		totalCount += lines[i].CountWords();
+
+	return totalCount;
+}
+
+Text Text::SubText(unsigned startLine, unsigned startCol, unsigned endLine, unsigned endCol) const {
+	Text result;
+	result.lineCount = endLine - startLine + 1;
+	result.lines = new String[lineCount];
+
+	for (unsigned i = 0; i < result.lineCount; ++i) {
+		result.lines[i] = lines[i + startLine].Substring(startCol, endCol - startCol + 1);
+	}
+
+	return result;
+}