From cab353cbb21c142ac1e227d42338fa587e1a7f24 Mon Sep 17 00:00:00 2001
From: Alexis211 <alexis211@gmail.com>
Date: Sun, 20 Dec 2009 15:21:26 +0100
Subject: Worked on IStream. Seems to work

---
 Source/Library/Common/IStream.proto.cpp | 73 +++++++++++++++++++++++++++++++++
 Source/Library/Common/IStream.proto.h   | 29 +++++++++++++
 2 files changed, 102 insertions(+)
 create mode 100644 Source/Library/Common/IStream.proto.cpp
 create mode 100644 Source/Library/Common/IStream.proto.h

(limited to 'Source/Library/Common')

diff --git a/Source/Library/Common/IStream.proto.cpp b/Source/Library/Common/IStream.proto.cpp
new file mode 100644
index 0000000..0cc2a79
--- /dev/null
+++ b/Source/Library/Common/IStream.proto.cpp
@@ -0,0 +1,73 @@
+#include "IStream.proto.h"
+
+IStream::IStream() {
+	m_buffer = NULL;
+	m_ptr = 0;
+}
+
+IStream::IStream(const IStream& other) {
+	m_buffer = NULL;
+	m_ptr = 0;
+}
+
+IStream::~IStream() {
+	delete m_buffer;
+}
+
+bool IStream::populate() {
+	String s = read();
+	if (s.empty()) return false;
+	if (m_buffer == NULL) {
+		m_buffer = new SimpleList<String>(s);
+	} else {
+		m_buffer->addAtEnd(s);
+	}
+	return true;
+}
+
+WChar IStream::getChar() {
+	waitLock();
+	if (m_buffer == 0) {
+		if (!populate()) {
+			unlock();
+		   	return WChar("\0");
+		}
+	}
+	WChar ret = m_buffer->v()[m_ptr];
+	m_ptr++;
+	if (m_ptr >= m_buffer->v().size()) {
+		m_buffer = m_buffer->delThis();
+		m_ptr = 0;
+	}
+	unlock();
+	return ret;
+}
+
+String IStream::get(WChar delimiter) {
+	waitLock();
+	//calculate length of string to read
+	if (m_buffer == 0) populate();
+	int length = 0, ptr = m_ptr;
+	for (SimpleList<String> *iter = m_buffer; iter != 0;) {
+		if (iter->v()[ptr] == delimiter) break;
+		ptr++;
+		length++;
+		if (ptr >= iter->v().size()) {
+			if (iter->next() == 0) populate();
+			iter = iter->next();
+			ptr = 0;
+		}
+	}
+	//get it
+	String ret(WChar(" "), length);
+	for (int i = 0; i <= length; i++) {
+		if (i != length) ret[i] = m_buffer->v()[m_ptr];
+		m_ptr++;
+		if (m_ptr >= m_buffer->v().size()) {
+			m_buffer = m_buffer->delThis();
+			m_ptr = 0;
+		}
+	}
+	unlock();
+	return ret;
+}
diff --git a/Source/Library/Common/IStream.proto.h b/Source/Library/Common/IStream.proto.h
new file mode 100644
index 0000000..f689a22
--- /dev/null
+++ b/Source/Library/Common/IStream.proto.h
@@ -0,0 +1,29 @@
+#ifndef DEF_ISTREAM_PROTO_h
+#define DEF_ISTREAM_PROTO_h
+
+#include <String.class.h>
+#include <SimpleList.class.h>
+#include <Mutex.class.h>
+
+class IStream : private Mutex {
+	private:
+	SimpleList<String> *m_buffer;
+	int m_ptr;
+	void operator =(IStream& other);
+
+	bool populate();
+
+	protected:
+	virtual String read() = 0;
+
+	public:
+	IStream();
+	IStream(const IStream& other);
+	virtual ~IStream();
+
+	WChar getChar();
+	String get(WChar delimiter = "\n");
+	String getWord() { return get(" "); }
+};
+
+#endif
-- 
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