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// Copyright 2014 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_DBUS_BINDINGS_INDENTED_TEXT_H_
#define CHROMEOS_DBUS_BINDINGS_INDENTED_TEXT_H_
#include <string>
#include <utility>
#include <vector>
#include <base/macros.h>
namespace chromeos_dbus_bindings {
class IndentedText {
public:
IndentedText();
virtual ~IndentedText() = default;
// Insert a blank line.
void AddBlankLine();
// Insert a block of indented text.
void AddBlock(const IndentedText& block);
void AddBlockWithOffset(const IndentedText& block, size_t shift);
// Add a line at the current indentation.
void AddLine(const std::string& line);
void AddLineWithOffset(const std::string& line, size_t shift);
// Adds a line and pushes an offset past the |nth_occurrence| of character |c|
// in that line, effectively allowing to align following line to the position
// following that character.
void AddLineAndPushOffsetTo(const std::string& line,
size_t nth_occurrence,
char c);
// Adds a block of comments.
void AddComments(const std::string& doc_string);
// Return a string representing the indented text.
std::string GetContents() const;
// Return a list of lines representing the intended indented text, not
// including the \n.
std::vector<std::string> GetLines() const;
// Add or remove an offset to the current stack of indentation offsets.
void PushOffset(size_t shift);
void PopOffset();
// Reset to initial state.
void Reset();
private:
using IndentedLine = std::pair<std::string, size_t>;
friend class IndentedTextTest;
size_t offset_;
std::vector<size_t> offset_history_;
std::vector<IndentedLine> contents_;
DISALLOW_COPY_AND_ASSIGN(IndentedText);
};
} // namespace chromeos_dbus_bindings
#endif // CHROMEOS_DBUS_BINDINGS_INDENTED_TEXT_H_
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