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/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "pp/LinearDocument.h"
#include <stdexcept>
namespace pp
{
void LinearDocument::indent(void) { _indent.increase(); }
void LinearDocument::unindent(void) { _indent.decrease(); }
void LinearDocument::append(void)
{
// NOTE Do NOT indent empty lines
_lines.emplace_back("");
}
void LinearDocument::append(const std::string &line)
{
if (line.empty())
{
append();
return;
}
// Append indentation space(s), and insert the update string to lines
_lines.emplace_back(_indent.build(line));
}
void LinearDocument::append(const LinearDocument &doc)
{
for (uint32_t n = 0; n < doc.lines(); ++n)
{
// NOTE Do NOT update _lines here and use append method
append(doc.line(n));
}
}
const std::string &LinearDocument::line(uint32_t n) const
{
switch (_direction)
{
case Direction::Forward:
{
return _lines.at(n);
}
case Direction::Reverse:
{
return _lines.at(lines() - n - 1);
}
}
throw std::runtime_error{"unreachable"};
}
} // namespace pp
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