20281835752-2752

Committed 16 Dec 2025 08:31PM UTC coverage: 68.903% (+0.03%) from 68.87%

Build # 20281835752-2752

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github

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tstack

Commit Message

[tests] update test data

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60.0

/src/textfile_sub_source.hh

/**
 * Copyright (c) 2007-2012, Timothy Stack
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 * * 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.
 * * Neither the name of Timothy Stack nor the names of its contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
 */

#ifndef textfile_sub_source_hh
#define textfile_sub_source_hh

#include <deque>
#include <memory>
#include <unordered_set>
#include <vector>

#include "base/attr_line.hh"
#include "base/file_range.hh"
#include "document.sections.hh"
#include "filter_observer.hh"
#include "hasher.hh"
#include "logfile.hh"
#include "plain_text_source.hh"
#include "text_overlay_menu.hh"
#include "textview_curses.hh"

class textfile_header_overlay;

class textfile_sub_source
    : public text_sub_source
    , public vis_location_history
    , public text_time_translator
    , public text_accel_source
    , public text_anchors {
public:
    textfile_sub_source() { this->tss_supports_filtering = true; }

    bool empty() const override { return this->tss_files.empty(); }

    size_t size() const { return this->tss_files.size(); }

    size_t text_line_count() override;

    size_t text_line_width(textview_curses& curses) override;

    line_info text_value_for_line(textview_curses& tc,
                                  int line,
                                  std::string& value_out,
                                  line_flags_t flags) override;

    void text_attrs_for_line(textview_curses& tc,
                             int row,
                             string_attrs_t& value_out) override;

    size_t text_size_for_line(textview_curses& tc,
                              int line,
                              line_flags_t flags) override;

    std::shared_ptr<logfile> current_file() const
    {
        if (this->tss_files.empty()) {
            return nullptr;
        }

        return this->tss_files.front().fvs_file;
    }

    void to_front(const std::shared_ptr<logfile>& lf);

    bool to_front(const std::string& filename);

    void set_top_from_off(file_off_t off);

    void rotate_left();

    void rotate_right();

    void remove(const std::shared_ptr<logfile>& lf);

    void push_back(const std::shared_ptr<logfile>& lf);

    class scan_callback {
    public:
        virtual ~scan_callback() = default;

        virtual void closed_files(
            const std::vector<std::shared_ptr<logfile>>& files) = 0;
        virtual void promote_file(const std::shared_ptr<logfile>& lf) = 0;
        virtual void scanned_file(const std::shared_ptr<logfile>& lf) = 0;
        virtual void renamed_file(const std::shared_ptr<logfile>& lf) = 0;
    };

    struct rescan_result_t {
        size_t rr_new_data{0};
        bool rr_scan_completed{true};
        bool rr_rescan_needed{false};
    };

    rescan_result_t rescan_files(scan_callback& callback,
                                 std::optional<ui_clock::time_point> deadline
                                 = std::nullopt);

    void text_filters_changed() override;

    int get_filtered_count() const override;

    int get_filtered_count_for(size_t filter_index) const override;

    std::optional<text_format_t> get_text_format() const override;

    std::optional<location_history*> get_location_history() override
    {
        return this;
    }

    void text_crumbs_for_line(int line,
                              std::vector<breadcrumb::crumb>& crumbs) override;

    std::optional<vis_line_t> row_for_anchor(const std::string& id) override;

    std::optional<std::string> anchor_for_row(vis_line_t vl) override;

    std::optional<vis_line_t> adjacent_anchor(vis_line_t vl,
                                              direction dir) override;

    std::unordered_set<std::string> get_anchors() override;

    std::optional<vis_line_t> row_for_time(timeval time_bucket) override;

    std::optional<row_info> time_for_row(vis_line_t row) override;

    void quiesce() override;

    bool is_time_offset_supported() const override
    {
        const auto lf = this->current_file();
        if (lf != nullptr && lf->has_line_metadata()) {
            return true;
        }

        return false;
    }

    logline* text_accel_get_line(vis_line_t vl) override;

    void scroll_invoked(textview_curses* tc) override;

    enum class view_mode {
        raw,
        rendered,
    };

    void set_view_mode(view_mode vm);

    view_mode get_effective_view_mode() const;

    bool tss_apply_default_init_location{false};

private:
    friend textfile_header_overlay;

    void detach_observer(std::shared_ptr<logfile> lf)
    {
        auto* lfo = (line_filter_observer*) lf->get_logline_observer();
        lf->set_logline_observer(nullptr);
        delete lfo;
    }

    struct file_view_state {
        explicit file_view_state(const std::shared_ptr<logfile>& f)
            : fvs_file(f)
        {
        }

        bool operator==(const std::shared_ptr<logfile>& lf) const
        {
            return this->fvs_file == lf;
        }

        void save_from(const textview_curses& tc)
        {
            this->fvs_top = tc.get_top();
            this->fvs_selection = tc.get_selection();
        }

        void load_into(textview_curses& tc) const
        {
            if (this->fvs_selection.has_value()) {
                tc.set_selection(this->fvs_selection.value());
            }
            tc.set_top(this->fvs_top);
        }

        size_t text_line_count(view_mode mode) const;

        size_t text_line_width(view_mode mode, textview_curses& tc) const;

        std::optional<vis_line_t> row_for_anchor(view_mode mode,
                                                 const std::string& id);

        std::shared_ptr<logfile> fvs_file;
        vis_line_t fvs_top{0};
        std::optional<vis_line_t> fvs_selection;

        time_t fvs_mtime;
        file_ssize_t fvs_file_size;
        file_off_t fvs_file_indexed_size;
        std::string fvs_error;
        std::unique_ptr<plain_text_source> fvs_text_source;
        lnav::document::metadata fvs_metadata;
        bool fvs_consumed_init_location{false};
    };

    using file_iterator = std::deque<file_view_state>::iterator;
    using const_file_iterator = std::deque<file_view_state>::const_iterator;

    void move_to_init_location(file_iterator& iter);

    file_iterator current_file_state() { return this->tss_files.begin(); }

    const_file_iterator current_file_state() const
    {
        return this->tss_files.cbegin();
    }

    std::deque<file_view_state> tss_files;
    size_t tss_line_indent_size{0};
    bool tss_last_scan_aborted{false};
    attr_line_t tss_hex_line;
    string_attrs_t tss_plain_line_attrs;
    int64_t tss_content_line{0};
    view_mode tss_view_mode{view_mode::rendered};
};

class textfile_header_overlay : public text_overlay_menu {
public:
    explicit textfile_header_overlay(textfile_sub_source* src,
                                     text_sub_source* log_src);

    bool list_static_overlay(const listview_curses& lv,
                             media_t media,
                             int y,
                             int bottom,
                             attr_line_t& value_out) override;

    std::optional<attr_line_t> list_header_for_overlay(
        const listview_curses& lv, media_t media, vis_line_t line) override;

    void list_value_for_overlay(const listview_curses& lv,
                                vis_line_t line,
                                std::vector<attr_line_t>& value_out) override;

private:
    textfile_sub_source* tho_src;
    text_sub_source* tho_log_src;
    std::vector<attr_line_t> tho_static_lines;
    hasher::array_t tho_filter_state;
    attr_line_t tho_hex_line_header;
};

#endif

1	/**
2	* Copyright (c) 2007-2012, Timothy Stack
3	*
4	* All rights reserved.
5	*
6	* Redistribution and use in source and binary forms, with or without
7	* modification, are permitted provided that the following conditions are met:
8	*
9	* * Redistributions of source code must retain the above copyright notice, this
10	* list of conditions and the following disclaimer.
11	* * Redistributions in binary form must reproduce the above copyright notice,
12	* this list of conditions and the following disclaimer in the documentation
13	* and/or other materials provided with the distribution.
14	* * Neither the name of Timothy Stack nor the names of its contributors
15	* may be used to endorse or promote products derived from this software
16	* without specific prior written permission.
17	*
18	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
19	* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21	* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
22	* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23	* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25	* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27	* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28	*/
29
30	#ifndef textfile_sub_source_hh
31	#define textfile_sub_source_hh
32
33	#include <deque>
34	#include <memory>
35	#include <unordered_set>
36	#include <vector>
37
38	#include "base/attr_line.hh"
39	#include "base/file_range.hh"
40	#include "document.sections.hh"
41	#include "filter_observer.hh"
42	#include "hasher.hh"
43	#include "logfile.hh"
44	#include "plain_text_source.hh"
45	#include "text_overlay_menu.hh"
46	#include "textview_curses.hh"
47
48	class textfile_header_overlay;
49
50	class textfile_sub_source
51	: public text_sub_source
52	, public vis_location_history
53	, public text_time_translator
54	, public text_accel_source
55	, public text_anchors {
56	public:
57	textfile_sub_source() { this->tss_supports_filtering = true; }	759✔
58
59	bool empty() const override { return this->tss_files.empty(); }	1,196✔
60
61	size_t size() const { return this->tss_files.size(); }	1,720✔
62
63	size_t text_line_count() override;
64
65	size_t text_line_width(textview_curses& curses) override;
66
67	line_info text_value_for_line(textview_curses& tc,
68	int line,
69	std::string& value_out,
70	line_flags_t flags) override;
71
72	void text_attrs_for_line(textview_curses& tc,
73	int row,
74	string_attrs_t& value_out) override;
75
76	size_t text_size_for_line(textview_curses& tc,
77	int line,
78	line_flags_t flags) override;
79
80	std::shared_ptr<logfile> current_file() const	15,684✔
81	{
82	if (this->tss_files.empty()) {	15,684✔
83	return nullptr;	3,162✔
84	}
85
86	return this->tss_files.front().fvs_file;	12,522✔
87	}
88
89	void to_front(const std::shared_ptr<logfile>& lf);
90
91	bool to_front(const std::string& filename);
92
93	void set_top_from_off(file_off_t off);
94
95	void rotate_left();
96
97	void rotate_right();
98
99	void remove(const std::shared_ptr<logfile>& lf);
100
101	void push_back(const std::shared_ptr<logfile>& lf);
102
103	class scan_callback {
104	public:
105	virtual ~scan_callback() = default;	4,450✔
106
107	virtual void closed_files(
108	const std::vector<std::shared_ptr<logfile>>& files) = 0;
109	virtual void promote_file(const std::shared_ptr<logfile>& lf) = 0;
110	virtual void scanned_file(const std::shared_ptr<logfile>& lf) = 0;
111	virtual void renamed_file(const std::shared_ptr<logfile>& lf) = 0;
112	};
113
114	struct rescan_result_t {
115	size_t rr_new_data{0};
116	bool rr_scan_completed{true};
117	bool rr_rescan_needed{false};
118	};
119
120	rescan_result_t rescan_files(scan_callback& callback,
121	std::optional<ui_clock::time_point> deadline
122	= std::nullopt);
123
124	void text_filters_changed() override;
125
126	int get_filtered_count() const override;
127
128	int get_filtered_count_for(size_t filter_index) const override;
129
130	std::optional<text_format_t> get_text_format() const override;
131
132	std::optional<location_history*> get_location_history() override	22✔
133	{
134	return this;	22✔
135	}
136
137	void text_crumbs_for_line(int line,
138	std::vector<breadcrumb::crumb>& crumbs) override;
139
140	std::optional<vis_line_t> row_for_anchor(const std::string& id) override;
141
142	std::optional<std::string> anchor_for_row(vis_line_t vl) override;
143
144	std::optional<vis_line_t> adjacent_anchor(vis_line_t vl,
145	direction dir) override;
146
147	std::unordered_set<std::string> get_anchors() override;
148
149	std::optional<vis_line_t> row_for_time(timeval time_bucket) override;
150
151	std::optional<row_info> time_for_row(vis_line_t row) override;
152
153	void quiesce() override;
154
155	bool is_time_offset_supported() const override	×
156	{
157	const auto lf = this->current_file();	×
158	if (lf != nullptr && lf->has_line_metadata()) {	×
159	return true;	×
160	}
161
162	return false;	×
163	}
164
165	logline* text_accel_get_line(vis_line_t vl) override;
166
167	void scroll_invoked(textview_curses* tc) override;
168
169	enum class view_mode {
170	raw,
171	rendered,
172	};
173
174	void set_view_mode(view_mode vm);
175
176	view_mode get_effective_view_mode() const;
177
178	bool tss_apply_default_init_location{false};
179
180	private:
181	friend textfile_header_overlay;
182
183	void detach_observer(std::shared_ptr<logfile> lf)	621✔
184	{
185	auto* lfo = (line_filter_observer*) lf->get_logline_observer();	621✔
186	lf->set_logline_observer(nullptr);	621✔
187	delete lfo;	621✔
188	}	621✔
189
190	struct file_view_state {
191	explicit file_view_state(const std::shared_ptr<logfile>& f)	621✔
192	: fvs_file(f)	621✔
193	{
194	}	621✔
195
196	bool operator==(const std::shared_ptr<logfile>& lf) const	×
197	{
198	return this->fvs_file == lf;	×
199	}
200
201	void save_from(const textview_curses& tc)	×
202	{
203	this->fvs_top = tc.get_top();	×
204	this->fvs_selection = tc.get_selection();	×
205	}
206
207	void load_into(textview_curses& tc) const	×
208	{
209	if (this->fvs_selection.has_value()) {	×
210	tc.set_selection(this->fvs_selection.value());	×
211	}
212	tc.set_top(this->fvs_top);	×
213	}
214
215	size_t text_line_count(view_mode mode) const;
216
217	size_t text_line_width(view_mode mode, textview_curses& tc) const;
218
219	std::optional<vis_line_t> row_for_anchor(view_mode mode,
220	const std::string& id);
221
222	std::shared_ptr<logfile> fvs_file;
223	vis_line_t fvs_top{0};
224	std::optional<vis_line_t> fvs_selection;
225
226	time_t fvs_mtime;
227	file_ssize_t fvs_file_size;
228	file_off_t fvs_file_indexed_size;
229	std::string fvs_error;
230	std::unique_ptr<plain_text_source> fvs_text_source;
231	lnav::document::metadata fvs_metadata;
232	bool fvs_consumed_init_location{false};
233	};
234
235	using file_iterator = std::deque<file_view_state>::iterator;
236	using const_file_iterator = std::deque<file_view_state>::const_iterator;
237
238	void move_to_init_location(file_iterator& iter);
239
240	file_iterator current_file_state() { return this->tss_files.begin(); }	23,909✔
241
242	const_file_iterator current_file_state() const	657✔
243	{
244	return this->tss_files.cbegin();	657✔
245	}
246
247	std::deque<file_view_state> tss_files;
248	size_t tss_line_indent_size{0};
249	bool tss_last_scan_aborted{false};
250	attr_line_t tss_hex_line;
251	string_attrs_t tss_plain_line_attrs;
252	int64_t tss_content_line{0};
253	view_mode tss_view_mode{view_mode::rendered};
254	};
255
256	class textfile_header_overlay : public text_overlay_menu {
257	public:
258	explicit textfile_header_overlay(textfile_sub_source* src,
259	text_sub_source* log_src);
260
261	bool list_static_overlay(const listview_curses& lv,
262	media_t media,
263	int y,
264	int bottom,
265	attr_line_t& value_out) override;
266
267	std::optional<attr_line_t> list_header_for_overlay(
268	const listview_curses& lv, media_t media, vis_line_t line) override;
269
270	void list_value_for_overlay(const listview_curses& lv,
271	vis_line_t line,
272	std::vector<attr_line_t>& value_out) override;
273
274	private:
275	textfile_sub_source* tho_src;
276	text_sub_source* tho_log_src;
277	std::vector<attr_line_t> tho_static_lines;
278	hasher::array_t tho_filter_state;
279	attr_line_t tho_hex_line_header;
280	};
281
282	#endif

tstack / lnav / 20281835752-2752

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