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-rw-r--r--external_libs/yaml-cpp/src/stringsource.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/external_libs/yaml-cpp/src/stringsource.h b/external_libs/yaml-cpp/src/stringsource.h
new file mode 100644
index 00000000..21be3c9a
--- /dev/null
+++ b/external_libs/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