74 lines
2.5 KiB
C++
74 lines
2.5 KiB
C++
#ifndef IOUTILITIES_BUFFER_SEARCH_H
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#define IOUTILITIES_BUFFER_SEARCH_H
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#include "../global.h"
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#include "../misc/traits.h"
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#include <array>
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#include <functional>
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#include <memory>
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#include <string>
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#include <string_view>
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namespace CppUtilities {
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class CPP_UTILITIES_EXPORT BufferSearch {
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public:
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using CallbackType = std::function<void(BufferSearch &, std::string &&)>;
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BufferSearch(std::string_view searchTerm, std::string_view terminationChars, std::string_view giveUpTerm, CallbackType &&callback);
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void operator()(std::string_view buffer);
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void operator()(const std::string_view::value_type *buffer, std::size_t bufferSize);
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template <std::size_t bufferCapacity>
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void operator()(std::shared_ptr<std::array<std::string_view::value_type, bufferCapacity>> buffer, std::size_t bufferSize);
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void reset();
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private:
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const std::string_view m_searchTerm;
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const std::string_view m_terminationChars;
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const std::string_view m_terminationTerm;
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const std::string_view m_giveUpTerm;
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const CallbackType m_callback;
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std::string_view::const_iterator m_searchTermIterator;
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std::string_view::const_iterator m_giveUpTermIterator;
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std::string_view::const_iterator m_terminationTermIterator;
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std::string m_result;
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bool m_hasResult;
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};
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/*!
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* \brief Constructs a new BufferSearch. Might be overloaded in the future.
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*/
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inline BufferSearch::BufferSearch(
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std::string_view searchTerm, std::string_view terminationChars, std::string_view giveUpTerm, CallbackType &&callback)
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: m_searchTerm(searchTerm)
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, m_terminationChars(terminationChars)
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, m_giveUpTerm(giveUpTerm)
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, m_callback(std::move(callback))
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, m_searchTermIterator(m_searchTerm.begin())
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, m_giveUpTermIterator(m_giveUpTerm.begin())
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, m_terminationTermIterator(m_terminationTerm.begin())
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, m_hasResult(false)
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{
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}
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/*!
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* \brief Processes the specified \a buffer. Invokes the callback according to the remarks mentioned in the class documentation.
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*/
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inline void BufferSearch::operator()(std::string_view buffer)
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{
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(*this)(buffer.data(), buffer.size());
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}
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/*!
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* \brief Processes the specified \a buffer which is a shared array with fixed \tp bufferCapacity. Invokes the callback according to the remarks mentioned in the class documentation.
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*/
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template <std::size_t bufferCapacity>
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inline void BufferSearch::operator()(std::shared_ptr<std::array<std::string_view::value_type, bufferCapacity>> buffer, std::size_t bufferSize)
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{
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(*this)(buffer->data(), bufferSize);
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}
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} // namespace CppUtilities
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#endif // IOUTILITIES_BUFFER_SEARCH_H
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