50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
#include "elna/history.hpp"
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namespace elna
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{
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editor_history::editor_history()
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: commands{}, current_pointer(commands.cend())
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{
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}
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void editor_history::push(const std::string& entry)
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{
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commands.push_front(entry);
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current_pointer = commands.cbegin();
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}
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void editor_history::clear()
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{
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commands.clear();
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current_pointer = commands.cend();
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}
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editor_history::const_iterator editor_history::prev() noexcept
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{
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if (this->current_pointer != cbegin())
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{
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this->current_pointer = std::prev(this->current_pointer);
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}
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return this->current_pointer;
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}
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editor_history::const_iterator editor_history::next() noexcept
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{
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if (this->current_pointer != cend())
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{
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this->current_pointer = std::next(this->current_pointer);
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}
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return this->current_pointer;
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}
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editor_history::const_iterator editor_history::cbegin() const noexcept
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{
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return this->commands.cbegin();
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}
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editor_history::const_iterator editor_history::cend() const noexcept
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{
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return this->commands.cend();
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}
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}
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