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146 lines
4.9 KiB
C++
146 lines
4.9 KiB
C++
/**
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* Copyright (c) 2015, Timothy Stack
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Timothy Stack nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef LNAV_PLAIN_TEXT_SOURCE_HH
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#define LNAV_PLAIN_TEXT_SOURCE_HH
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#include <string>
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#include <vector>
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#include "base/attr_line.hh"
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#include "base/file_range.hh"
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#include "document.sections.hh"
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#include "textview_curses.hh"
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class plain_text_source
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: public text_sub_source
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, public vis_location_history
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, public text_anchors {
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public:
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struct text_line {
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text_line(file_off_t off, attr_line_t value)
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: tl_offset(off), tl_value(std::move(value))
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{
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}
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bool contains_offset(file_off_t off) const
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{
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return (this->tl_offset <= off
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&& off < this->tl_offset + this->tl_value.length());
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}
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file_off_t tl_offset;
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attr_line_t tl_value;
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};
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plain_text_source() = default;
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plain_text_source(const std::string& text);
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plain_text_source(const std::vector<std::string>& text_lines);
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plain_text_source(const std::vector<attr_line_t>& text_lines);
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plain_text_source& set_reverse_selection(bool val)
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{
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this->tds_reverse_selection = val;
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return *this;
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}
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plain_text_source& replace_with_mutable(attr_line_t& text_lines,
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text_format_t tf);
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plain_text_source& replace_with(const attr_line_t& text_lines);
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plain_text_source& replace_with(const std::vector<std::string>& text_lines);
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plain_text_source& replace_with(const std::vector<attr_line_t>& text_lines);
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void clear();
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plain_text_source& truncate_to(size_t max_lines);
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size_t text_line_count() override { return this->tds_lines.size(); }
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bool empty() const { return this->tds_lines.empty(); }
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size_t text_line_width(textview_curses& curses) override;
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void text_value_for_line(textview_curses& tc,
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int row,
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std::string& value_out,
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line_flags_t flags) override;
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void text_attrs_for_line(textview_curses& tc,
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int line,
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string_attrs_t& value_out) override;
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size_t text_size_for_line(textview_curses& tc,
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int row,
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line_flags_t flags) override;
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text_format_t get_text_format() const override;
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const std::vector<text_line>& get_lines() const { return this->tds_lines; }
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plain_text_source& set_text_format(text_format_t format)
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{
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this->tds_text_format = format;
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return *this;
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}
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std::optional<location_history*> get_location_history() override
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{
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return this;
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}
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void text_crumbs_for_line(int line,
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std::vector<breadcrumb::crumb>& crumbs) override;
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std::optional<vis_line_t> row_for_anchor(const std::string& id) override;
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std::optional<std::string> anchor_for_row(vis_line_t vl) override;
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std::unordered_set<std::string> get_anchors() override;
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std::optional<vis_line_t> adjacent_anchor(vis_line_t vl,
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direction dir) override;
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protected:
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size_t compute_longest_line();
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std::optional<vis_line_t> line_for_offset(file_off_t off) const;
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std::vector<text_line> tds_lines;
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text_format_t tds_text_format{text_format_t::TF_UNKNOWN};
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size_t tds_longest_line{0};
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bool tds_reverse_selection{false};
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size_t tds_line_indent_size{0};
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lnav::document::metadata tds_doc_sections;
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};
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#endif // LNAV_PLAIN_TEXT_SOURCE_HH
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