| #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 |