39 lines
901 B
C++
39 lines
901 B
C++
/* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
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* Use of this file is governed by the BSD 3-clause license that
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* can be found in the LICENSE.txt file in the project root.
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*/
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#include "support/StringUtils.h"
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namespace antlrcpp {
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std::string escapeWhitespace(std::string_view in) {
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std::string out;
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escapeWhitespace(out, in);
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out.shrink_to_fit();
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return out;
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}
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std::string& escapeWhitespace(std::string& out, std::string_view in) {
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out.reserve(in.size()); // Best case, no escaping.
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for (const auto &c : in) {
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switch (c) {
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case '\t':
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out.append("\\t");
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break;
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case '\r':
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out.append("\\r");
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break;
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case '\n':
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out.append("\\n");
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break;
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default:
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out.push_back(c);
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break;
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}
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}
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return out;
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}
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} // namespace antrlcpp
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