1 files changed, 59 insertions, 0 deletions
diff --git a/textblob.h b/textblob.h
new file mode 100644
index 0000000..3246c8d
--- /dev/null
+++ b/textblob.h
@@ -0,0 +1,59 @@
+#pragma once
+
+#include <iostream>
+#include <deque>
+#include <string>
+
+#include "global.h"
+
+using namespace std;
+
+
+class TextBlob{
+	deque<string> lines;
+
+	void checkInRange(i64 y,i64 x) const;
+	void checkInRangeP1(i64 y,i64 x) const;
+	void checkInRange(i64 y) const;
+	void checkInRangeP1(i64 y) const;
+
+public:
+	TextBlob() = default;
+	TextBlob(const TextBlob&) = default;
+	TextBlob(TextBlob&&) = default;
+
+	TextBlob& operator=(const TextBlob &other) = default;
+	TextBlob& operator=(TextBlob &&other) = default;
+
+	bool isInRange(i64 y,i64 x) const;
+	bool isInRangeP1(i64 y,i64 x) const;
+	bool isInRange(i64 y) const;
+	bool isInRangeP1(i64 y) const;
+
+	void clear();
+
+	void read(istream &is);
+	void write(ostream &os) const;
+
+	void setText(const string &text);
+	string fullText() const;
+
+	//returns original
+	char replace(i64 y,i64 x,char c);
+
+	//All inserts are BEFORE. Pass one-past-end index to append.
+	void insert(i64 y,i64 x,char c);
+	void insertLine(i64 y,const string &line);
+	void insertString(i64 y,i64 x,const string &str);
+
+	//functions return original
+	char erase(i64 y,i64 x);
+	string erase(i64 y,i64 x,i64 nchars);
+
+	string& operator[](i64 y);
+	const string& operator[](i64 y) const;
+	string getLine(i64 y) const; //returns a copy
+
+	i64 numLines() const;
+	i64 lineLen(i64 y) const;
+};