1 files changed, 47 insertions, 0 deletions
diff --git a/yaml-cpp/src/stringsource.h b/yaml-cpp/src/stringsource.h
new file mode 100755
index 00000000..21be3c9a
--- /dev/null
+++ b/yaml-cpp/src/stringsource.h
@@ -0,0 +1,47 @@
+#ifndef STRINGSOURCE_H_62B23520_7C8E_11DE_8A39_0800200C9A66
+#define STRINGSOURCE_H_62B23520_7C8E_11DE_8A39_0800200C9A66
+
+#if defined(_MSC_VER) || (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || (__GNUC__ >= 4)) // GCC supports "pragma once" correctly since 3.4
+#pragma once
+#endif
+
+
+#include <cstddef>
+
+namespace YAML
+{
+	class StringCharSource
+	{
+	public:
+		StringCharSource(const char *str, std::size_t size): m_str(str), m_size(size), m_offset(0) {}
+
+		operator bool() const { return m_offset < m_size; }
+		char operator [] (std::size_t i) const { return m_str[m_offset + i]; }
+		bool operator !() const { return !static_cast<bool>(*this); }
+
+		const StringCharSource operator + (int i) const {
+			StringCharSource source(*this);
+			if(static_cast<int> (source.m_offset) + i >= 0)
+				source.m_offset += i;
+			else
+				source.m_offset = 0;
+			return source;
+		}
+			
+		StringCharSource& operator ++ () {
+			++m_offset;
+			return *this;
+		}
+		
+		StringCharSource& operator += (std::size_t offset) {
+			m_offset += offset;
+			return *this;
+		}
+	private:
+		const char *m_str;
+		std::size_t m_size;
+		std::size_t m_offset;
+	};
+}
+
+#endif // STRINGSOURCE_H_62B23520_7C8E_11DE_8A39_0800200C9A66