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47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
//
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// StringSerialiser.cpp
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// Clock Signal
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//
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// Created by Thomas Harte on 13/05/2018.
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// Copyright 2018 Thomas Harte. All rights reserved.
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//
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#include "StringSerialiser.hpp"
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using namespace Utility;
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StringSerialiser::StringSerialiser(const std::string &source, bool use_linefeed_only) {
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if(!use_linefeed_only) {
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input_string_ = source;
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} else {
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input_string_.reserve(source.size());
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// Commute any \ns that are not immediately after \rs to \rs; remove the rest.
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bool saw_carriage_return = false;
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for(auto character: source) {
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if(character != '\n') {
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input_string_.push_back(character);
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} else {
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if(!saw_carriage_return) {
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input_string_.push_back('\r');
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}
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}
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saw_carriage_return = character == '\r';
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}
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}
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}
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uint8_t StringSerialiser::head() {
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if(input_string_pointer_ == input_string_.size())
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return '\0';
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return uint8_t(input_string_[input_string_pointer_]);
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}
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bool StringSerialiser::advance() {
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if(input_string_pointer_ != input_string_.size()) {
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++input_string_pointer_;
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return input_string_pointer_ != input_string_.size();
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}
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return false;
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}
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