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-rw-r--r--external_libs/yaml-cpp/src/streamcharsource.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/external_libs/yaml-cpp/src/streamcharsource.h b/external_libs/yaml-cpp/src/streamcharsource.h
new file mode 100644
index 00000000..21fae4e1
--- /dev/null
+++ b/external_libs/yaml-cpp/src/streamcharsource.h
@@ -0,0 +1,48 @@
+#ifndef STREAMCHARSOURCE_H_62B23520_7C8E_11DE_8A39_0800200C9A66
+#define STREAMCHARSOURCE_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 "yaml-cpp/noncopyable.h"
+#include <cstddef>
+
+namespace YAML
+{
+ class StreamCharSource
+ {
+ public:
+ StreamCharSource(const Stream& stream): m_offset(0), m_stream(stream) {}
+ StreamCharSource(const StreamCharSource& source): m_offset(source.m_offset), m_stream(source.m_stream) {}
+ ~StreamCharSource() {}
+
+ operator bool() const;
+ char operator [] (std::size_t i) const { return m_stream.CharAt(m_offset + i); }
+ bool operator !() const { return !static_cast<bool>(*this); }
+
+ const StreamCharSource operator + (int i) const;
+
+ private:
+ std::size_t m_offset;
+ const Stream& m_stream;
+
+ StreamCharSource& operator = (const StreamCharSource&); // non-assignable
+ };
+
+ inline StreamCharSource::operator bool() const {
+ return m_stream.ReadAheadTo(m_offset);
+ }
+
+ inline const StreamCharSource StreamCharSource::operator + (int i) const {
+ StreamCharSource source(*this);
+ if(static_cast<int> (source.m_offset) + i >= 0)
+ source.m_offset += i;
+ else
+ source.m_offset = 0;
+ return source;
+ }
+}
+
+#endif // STREAMCHARSOURCE_H_62B23520_7C8E_11DE_8A39_0800200C9A66