Import all sources from perforce.

src/nvcore/TextReader.cpp

@@ -0,0 +1,85 @@
+// This code is in the public domain -- castanyo@yahoo.es
+
+#include <nvcore/TextReader.h>
+
+using namespace nv;
+
+/// Peek next character.
+char TextReader::peek()
+{
+	nvDebugCheck(m_stream != NULL);
+	nvDebugCheck(m_stream->isSeekable());
+	
+	if (m_stream->isAtEnd()) {
+		return 0;
+	}
+
+	uint pos = m_stream->tell();
+
+	char c;
+	m_stream->serialize(&c, 1);
+	m_stream->seek(pos);
+	return c;
+}
+
+/// Read a single char.
+char TextReader::read()
+{
+	nvDebugCheck(m_stream != NULL);
+	
+	if( m_stream->isAtEnd() ) {
+		return 0;
+	}
+
+	char c;
+	m_stream->serialize(&c, 1);
+	return c;
+}
+
+/// Read from the current location to the end of the stream.
+const char * TextReader::readToEnd()
+{
+	nvDebugCheck(m_stream != NULL);
+	const int size = m_stream->size();
+	
+	m_text.clear();
+	
+	m_text.reserve(size + 1);
+	m_text.resize(size);
+	
+	m_stream->serialize(m_text.unsecureBuffer(), size);
+	m_text.pushBack('\0');
+	
+	return m_text.buffer();
+}
+
+/// Read from the current location to the end of the line.
+const char * TextReader::readLine()
+{
+	m_text.clear();
+
+	if (m_stream->isAtEnd()) {
+		return NULL;
+	}
+	
+	while (true) {
+		char c = read();
+		
+		if (c == 0 || c == '\n') {
+			break;
+		}
+		else if (c == '\r') {
+			if( peek() == '\n' ) {
+				read();
+			}
+			break;
+		}
+		
+		m_text.pushBack(c);
+	}
+	
+	m_text.pushBack('\0');
+	return m_text.buffer();
+}
+
+