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Diffstat (limited to 'Userland/Libraries/LibLine/Span.h')
-rw-r--r-- | Userland/Libraries/LibLine/Span.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/Userland/Libraries/LibLine/Span.h b/Userland/Libraries/LibLine/Span.h new file mode 100644 index 0000000000..0d1eb108f8 --- /dev/null +++ b/Userland/Libraries/LibLine/Span.h @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2020, The SerenityOS developers. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#pragma once + +namespace Line { + +class Span { +public: + enum Mode { + ByteOriented, + CodepointOriented, + }; + + Span(size_t start, size_t end, Mode mode = ByteOriented) + : m_beginning(start) + , m_end(end) + , m_mode(mode) + { + } + + size_t beginning() const { return m_beginning; } + size_t end() const { return m_end; } + Mode mode() const { return m_mode; } + +private: + size_t m_beginning { 0 }; + size_t m_end { 0 }; + Mode m_mode { CodepointOriented }; +}; + +} |