You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
2.4 KiB
95 lines
2.4 KiB
// 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 <https://www.gnu.org/licenses/>. |
|
|
|
#ifndef UTF8DOCUMENTITERATOR_H_3452843291318441149 |
|
#define UTF8DOCUMENTITERATOR_H_3452843291318441149 |
|
|
|
#include <stdlib.h> |
|
#include <vector> |
|
#include <memory> |
|
#include "Position.h" |
|
|
|
namespace Scintilla::Internal { |
|
|
|
class Document; |
|
|
|
class UTF8DocumentIterator |
|
{ |
|
public: |
|
using iterator_category = std::bidirectional_iterator_tag; |
|
using value_type = wchar_t; |
|
using difference_type = ptrdiff_t; |
|
using pointer = wchar_t*; |
|
using reference = wchar_t&; |
|
|
|
UTF8DocumentIterator() {}; |
|
|
|
UTF8DocumentIterator(Document* doc, Sci::Position pos, Sci::Position end); |
|
UTF8DocumentIterator(const UTF8DocumentIterator& copy); |
|
|
|
bool operator == (const UTF8DocumentIterator& other) const |
|
{ |
|
return (ended() == other.ended()) && (m_doc == other.m_doc) && (m_pos == other.m_pos); |
|
} |
|
|
|
bool operator != (const UTF8DocumentIterator& other) const |
|
{ |
|
return !(*this == other); |
|
} |
|
|
|
wchar_t operator * () const |
|
{ |
|
return m_character[m_characterIndex]; |
|
} |
|
|
|
UTF8DocumentIterator& operator = (Sci::Position other) |
|
{ |
|
m_pos = other; |
|
return *this; |
|
} |
|
|
|
UTF8DocumentIterator& operator = (const UTF8DocumentIterator& other) = default; |
|
|
|
UTF8DocumentIterator& operator ++ (); |
|
UTF8DocumentIterator& operator -- (); |
|
|
|
Sci::Position pos() const |
|
{ |
|
return m_pos; |
|
} |
|
|
|
private: |
|
void readCharacter(); |
|
|
|
|
|
bool ended() const |
|
{ |
|
return m_pos >= m_end; |
|
} |
|
|
|
Sci::Position m_pos = 0; |
|
wchar_t m_character[2]{}; |
|
Sci::Position m_end = 0; |
|
int m_characterIndex = 0; |
|
int m_utf8Length = 0; |
|
int m_utf16Length = 0; |
|
Document* m_doc = nullptr; |
|
static const unsigned char m_firstByteMask[]; |
|
}; |
|
|
|
} |
|
|
|
#endif // UTF8DOCUMENTITERATOR_H_3452843291318441149
|
|
|