// This file is part of Notepad++ project // Copyright (C) 2021 Notepad++ authors. // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // at your option any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program. If not, see . #ifndef ANSIDOCUMENTITERATOR_H_12481491281240 #define ANSIDOCUMENTITERATOR_H_12481491281240 #include "Position.h" namespace Scintilla::Internal { class AnsiDocumentIterator { public: using iterator_category = std::bidirectional_iterator_tag; using value_type = char; using difference_type = ptrdiff_t; using pointer = char*; using reference = char&; AnsiDocumentIterator() {}; AnsiDocumentIterator(Document* doc, Sci::Position pos, Sci::Position end) : m_pos(pos), m_end(end), m_doc(doc) { // Check for debug builds PLATFORM_ASSERT(m_pos <= m_end); // Ensure for release. if (m_pos > m_end) { m_pos = m_end; } } AnsiDocumentIterator(const AnsiDocumentIterator& copy) : m_pos(copy.m_pos), m_end(copy.m_end), m_doc(copy.m_doc) { // Check for debug builds PLATFORM_ASSERT(m_pos <= m_end); // Ensure for release. if (m_pos > m_end) { m_pos = m_end; } } bool operator == (const AnsiDocumentIterator& other) const { return (ended() == other.ended()) && (m_doc == other.m_doc) && (m_pos == other.m_pos); } bool operator != (const AnsiDocumentIterator& other) const { return !(*this == other); } char operator * () const { return charAt(m_pos); } AnsiDocumentIterator& operator ++ () { PLATFORM_ASSERT(m_pos < m_end); m_pos++; return *this; } AnsiDocumentIterator& operator -- () { m_pos--; return *this; } Sci::Position pos() const { return m_pos; } private: char charAt(Sci::Position position) const { return m_doc->CharAt(position); } bool ended() const { return m_pos == m_end; } Sci::Position m_pos = 0; Sci::Position m_end = 0; Document* m_doc = nullptr; }; } #endif