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/*
* Ricochet - A minimalist CLI web browser for fast, distraction-free navigation.
* Copyright (C) 2026 Richard Qin
*
* 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/>.
*/
#pragma once
#include "ricochet/tui/document.hh"
#include "ricochet/tui/view.hh"
#include "text.hh"
#include <map>
#include <span>
#include <string>
namespace ricochet::tui::detail {
// Shared by layout and extraction: password positions address only this mask.
std::string control_display_text( const Control& control, const TextService& text );
// Logical reading-order text, independent of wrapping, clipping and decorations.
// Owned together with one immutable document and its revision-zero control values.
class DocumentText
{
public:
DocumentText( const Document& document, const TextService& text );
ByteRange offsets( const DocumentRange& range ) const;
SelectionSnapshot select( const DocumentRange& anchor, const DocumentRange& active ) const;
std::string extract( const DocumentRange& range ) const;
private:
struct ControlSpan
{
ByteRange object {};
ByteRange display {};
};
std::size_t offset( const DocumentPoint& point ) const;
void append_blocks( std::span<const Block> blocks, std::size_t depth );
void append_block( const Block& block, std::size_t depth );
void append_inline( std::span<const Inline> content );
void append_text( const Text& text );
void append_control( ControlId id );
std::string text_ {};
std::map<BlockId, ByteRange> blocks_ {};
std::map<ControlId, ControlSpan> controls_ {};
std::map<ControlId, const Control*> definitions_ {};
// Prefix ends coincide with item starts; selecting that start includes its marker.
std::vector<ByteRange> prefixes_ {};
const TextService& service_;
};
} // namespace ricochet::tui::detail
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