1 // Copyright 2014 The Chromium OS Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CHROMEOS_DBUS_BINDINGS_INDENTED_TEXT_H_ 6 #define CHROMEOS_DBUS_BINDINGS_INDENTED_TEXT_H_ 7 8 #include <string> 9 #include <utility> 10 #include <vector> 11 12 #include <base/macros.h> 13 14 namespace chromeos_dbus_bindings { 15 16 class IndentedText { 17 public: 18 IndentedText(); 19 virtual ~IndentedText() = default; 20 21 // Insert a blank line. 22 void AddBlankLine(); 23 24 // Insert a block of indented text. 25 void AddBlock(const IndentedText& block); 26 void AddBlockWithOffset(const IndentedText& block, size_t shift); 27 28 // Add a line at the current indentation. 29 void AddLine(const std::string& line); 30 void AddLineWithOffset(const std::string& line, size_t shift); 31 // Adds a line and pushes an offset past the |nth_occurrence| of character |c| 32 // in that line, effectively allowing to align following line to the position 33 // following that character. 34 void AddLineAndPushOffsetTo(const std::string& line, 35 size_t nth_occurrence, 36 char c); 37 38 // Adds a block of comments. 39 void AddComments(const std::string& doc_string); 40 41 // Return a string representing the indented text. 42 std::string GetContents() const; 43 44 // Return a list of lines representing the intended indented text, not 45 // including the \n. 46 std::vector<std::string> GetLines() const; 47 48 // Add or remove an offset to the current stack of indentation offsets. 49 void PushOffset(size_t shift); 50 void PopOffset(); 51 52 // Reset to initial state. 53 void Reset(); 54 55 56 private: 57 using IndentedLine = std::pair<std::string, size_t>; 58 59 friend class IndentedTextTest; 60 61 size_t offset_; 62 std::vector<size_t> offset_history_; 63 std::vector<IndentedLine> contents_; 64 65 DISALLOW_COPY_AND_ASSIGN(IndentedText); 66 }; 67 68 } // namespace chromeos_dbus_bindings 69 70 #endif // CHROMEOS_DBUS_BINDINGS_INDENTED_TEXT_H_ 71
