Added string class for FWIK.

3 files changed, 41 insertions, 3 deletions

diff --git a/src/user/lib/fwik/include/IO/IOStream.h b/src/user/lib/fwik/include/IO/IOStream.h
index e9ae246..e381cf5 100644
--- a/src/user/lib/fwik/include/IO/IOStream.h
+++ b/src/user/lib/fwik/include/IO/IOStream.h
@@ -3,6 +3,8 @@
 
 #include "Term.h"
 
+#include <String.h>
+
 class IOStream {
 	public:
 	Term *term;
@@ -12,7 +14,7 @@ class IOStream {
 
 	void print(char* str);
 	void printf(char* fmt, ...);
-	char* readln();
+	String readln();
 
 	IOStream &operator<<(char* s) {
 		print(s);
diff --git a/src/user/lib/fwik/include/IO/Term.h b/src/user/lib/fwik/include/IO/Term.h
index cf90789..4fd9306 100644
--- a/src/user/lib/fwik/include/IO/Term.h
+++ b/src/user/lib/fwik/include/IO/Term.h
@@ -3,6 +3,7 @@
 
 #include <stdio.h>
 #include "Node.h"
+#include <String.h>
 
 #include <readline.h>
 
@@ -22,8 +23,8 @@ class Term : public Node {
 	virtual void print(char *s);
 	virtual void printf(char* fmt, ...);
 	virtual void vprintf(char* fmt, va_list ap);
-	virtual char* readln();
-	char* readline();
+	virtual String readln();
+	String readline();
 
 	virtual Term* as_term() { return this; }
 };
diff --git a/src/user/lib/fwik/include/String.h b/src/user/lib/fwik/include/String.h
index 2a44046..672220d 100644
--- a/src/user/lib/fwik/include/String.h
+++ b/src/user/lib/fwik/include/String.h
@@ -1,5 +1,40 @@
 #ifndef DEF_FWIK_STRING_H
 #define DEF_FWIK_STRING_H
 
+#include <cpp.h>
+
+class String {
+	private:
+	char *ptr;			// zero-terminated for internal purposes.
+	int len;
+
+	public:
+	String();
+	String(const String& other);
+	String(char* ptr);
+	String(char* ptr, int len);
+	String(char c, int count);
+	~String();
+	void operator=(const String &string);
+	void operator=(char* ptr);
+
+	char* c_str();
+
+	bool operator==(const String& other);
+	bool operator==(char* other);
+	bool operator<(const String& other);
+	char &operator[](int pos);
+
+	int size() { return len; }
+	operator bool() { return len != 0; }
+	String substr(int start, int count);
+
+	String operator+(const String& other);
+	void operator+=(const String& other);
+	void operator+=(char c);
+
+	static String dec(int i);
+	static String hex(uint32_t v);
+};
 
 #endif