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-rw-r--r--external_libs/yaml-cpp/src/ptr_stack.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/external_libs/yaml-cpp/src/ptr_stack.h b/external_libs/yaml-cpp/src/ptr_stack.h
new file mode 100644
index 00000000..bf454fb3
--- /dev/null
+++ b/external_libs/yaml-cpp/src/ptr_stack.h
@@ -0,0 +1,46 @@
+#ifndef PTR_STACK_H_62B23520_7C8E_11DE_8A39_0800200C9A66
+#define PTR_STACK_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>
+#include <cstdlib>
+#include <memory>
+#include <vector>
+
+template <typename T>
+class ptr_stack: private YAML::noncopyable
+{
+public:
+ ptr_stack() {}
+ ~ptr_stack() { clear(); }
+
+ void clear() {
+ for(unsigned i=0;i<m_data.size();i++)
+ delete m_data[i];
+ m_data.clear();
+ }
+
+ std::size_t size() const { return m_data.size(); }
+ bool empty() const { return m_data.empty(); }
+
+ void push(std::auto_ptr<T> t) {
+ m_data.push_back(NULL);
+ m_data.back() = t.release();
+ }
+ std::auto_ptr<T> pop() {
+ std::auto_ptr<T> t(m_data.back());
+ m_data.pop_back();
+ return t;
+ }
+ T& top() { return *m_data.back(); }
+ const T& top() const { return *m_data.back(); }
+
+private:
+ std::vector<T*> m_data;
+};
+
+#endif // PTR_STACK_H_62B23520_7C8E_11DE_8A39_0800200C9A66