20114321350-2741

Committed 10 Dec 2025 09:41PM UTC coverage: 68.836% (-0.07%) from 68.908%

Build # 20114321350-2741

Build Type

push

github

Committed by

tstack

Commit Message

[filters] add level filter

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447 existing lines in 8 files now uncovered.

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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_map>

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

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;

    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:
    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;

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;
};

#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_map>
36
37	#include "base/attr_line.hh"
38	#include "base/file_range.hh"
39	#include "document.sections.hh"
40	#include "filter_observer.hh"
41	#include "logfile.hh"
42	#include "plain_text_source.hh"
43	#include "text_overlay_menu.hh"
44	#include "textview_curses.hh"
45
46	class textfile_sub_source
47	: public text_sub_source
48	, public vis_location_history
49	, public text_time_translator
50	, public text_accel_source
51	, public text_anchors {
52	public:
53	textfile_sub_source() { this->tss_supports_filtering = true; }	758✔
54
55	bool empty() const override { return this->tss_files.empty(); }	955✔
56
57	size_t size() const { return this->tss_files.size(); }	1,715✔
58
59	size_t text_line_count() override;
60
61	size_t text_line_width(textview_curses& curses) override;
62
63	line_info text_value_for_line(textview_curses& tc,
64	int line,
65	std::string& value_out,
66	line_flags_t flags) override;
67
68	void text_attrs_for_line(textview_curses& tc,
69	int row,
70	string_attrs_t& value_out) override;
71
72	size_t text_size_for_line(textview_curses& tc,
73	int line,
74	line_flags_t flags) override;
75
76	std::shared_ptr<logfile> current_file() const	18,344✔
77	{
78	if (this->tss_files.empty()) {	18,344✔
79	return nullptr;	3,163✔
80	}
81
82	return this->tss_files.front().fvs_file;	15,181✔
83	}
84
85	void to_front(const std::shared_ptr<logfile>& lf);
86
87	bool to_front(const std::string& filename);
88
89	void set_top_from_off(file_off_t off);
90
91	void rotate_left();
92
93	void rotate_right();
94
95	void remove(const std::shared_ptr<logfile>& lf);
96
97	void push_back(const std::shared_ptr<logfile>& lf);
98
99	class scan_callback {
100	public:
101	virtual ~scan_callback() = default;	4,443✔
102
103	virtual void closed_files(
104	const std::vector<std::shared_ptr<logfile>>& files)
105	= 0;
106	virtual void promote_file(const std::shared_ptr<logfile>& lf) = 0;
107	virtual void scanned_file(const std::shared_ptr<logfile>& lf) = 0;
108	virtual void renamed_file(const std::shared_ptr<logfile>& lf) = 0;
109	};
110
111	struct rescan_result_t {
112	size_t rr_new_data{0};
113	bool rr_scan_completed{true};
114	bool rr_rescan_needed{false};
115	};
116
117	rescan_result_t rescan_files(scan_callback& callback,
118	std::optional<ui_clock::time_point> deadline
119	= std::nullopt);
120
121	void text_filters_changed() override;
122
123	int get_filtered_count() const override;
124
125	int get_filtered_count_for(size_t filter_index) const override;
126
127	text_format_t get_text_format() const override;
128
129	std::optional<location_history*> get_location_history() override	21✔
130	{
131	return this;	21✔
132	}
133
134	void text_crumbs_for_line(int line,
135	std::vector<breadcrumb::crumb>& crumbs) override;
136
137	std::optional<vis_line_t> row_for_anchor(const std::string& id) override;
138
139	std::optional<std::string> anchor_for_row(vis_line_t vl) override;
140
141	std::optional<vis_line_t> adjacent_anchor(vis_line_t vl,
142	direction dir) override;
143
144	std::unordered_set<std::string> get_anchors() override;
145
146	std::optional<vis_line_t> row_for_time(timeval time_bucket) override;
147
148	std::optional<row_info> time_for_row(vis_line_t row) override;
149
150	void quiesce() override;
151
152	bool is_time_offset_supported() const override	×
153	{
154	const auto lf = this->current_file();	×
155	if (lf != nullptr && lf->has_line_metadata()) {	×
156	return true;	×
157	}
158
159	return false;	×
160	}
161
162	logline* text_accel_get_line(vis_line_t vl) override;
163
164	void scroll_invoked(textview_curses* tc) override;
165
166	enum class view_mode {
167	raw,
168	rendered,
169	};
170
171	void set_view_mode(view_mode vm);
172
173	view_mode get_effective_view_mode() const;
174
175	bool tss_apply_default_init_location{false};
176
177	private:
178	void detach_observer(std::shared_ptr<logfile> lf)	620✔
179	{
180	auto* lfo = (line_filter_observer*) lf->get_logline_observer();	620✔
181	lf->set_logline_observer(nullptr);	620✔
182	delete lfo;	620✔
183	}	620✔
184
185	struct file_view_state {
186	explicit file_view_state(const std::shared_ptr<logfile>& f)	620✔
187	: fvs_file(f)	620✔
188	{
189	}	620✔
190
191	bool operator==(const std::shared_ptr<logfile>& lf) const	×
192	{
193	return this->fvs_file == lf;	×
194	}
195
196	void save_from(const textview_curses& tc)	×
197	{
198	this->fvs_top = tc.get_top();	×
199	this->fvs_selection = tc.get_selection();	×
200	}
201
202	void load_into(textview_curses& tc) const	×
203	{
204	if (this->fvs_selection.has_value()) {	×
205	tc.set_selection(this->fvs_selection.value());	×
206	}
UNCOV 207	tc.set_top(this->fvs_top);	×
208	}
209
210	size_t text_line_count(view_mode mode) const;
211
212	size_t text_line_width(view_mode mode, textview_curses& tc) const;
213
214	std::optional<vis_line_t>
215	row_for_anchor(view_mode mode, const std::string& id);
216
217	std::shared_ptr<logfile> fvs_file;
218	vis_line_t fvs_top{0};
219	std::optional<vis_line_t> fvs_selection;
220
221	time_t fvs_mtime;
222	file_ssize_t fvs_file_size;
223	file_off_t fvs_file_indexed_size;
224	std::string fvs_error;
225	std::unique_ptr<plain_text_source> fvs_text_source;
226	lnav::document::metadata fvs_metadata;
227	bool fvs_consumed_init_location{false};
228	};
229
230	using file_iterator = std::deque<file_view_state>::iterator;
231	using const_file_iterator = std::deque<file_view_state>::const_iterator;
232
233	void move_to_init_location(file_iterator& iter);
234
235	file_iterator current_file_state() { return this->tss_files.begin(); }	29,005✔
236
237	const_file_iterator current_file_state() const	654✔
238	{
239	return this->tss_files.cbegin();	654✔
240	}
241
242	std::deque<file_view_state> tss_files;
243	size_t tss_line_indent_size{0};
244	bool tss_last_scan_aborted{false};
245	attr_line_t tss_hex_line;
246	string_attrs_t tss_plain_line_attrs;
247	int64_t tss_content_line{0};
248	view_mode tss_view_mode{view_mode::rendered};
249	};
250
251	class textfile_header_overlay : public text_overlay_menu {
252	public:
253	explicit textfile_header_overlay(textfile_sub_source* src,
254	text_sub_source* log_src);
255
256	bool list_static_overlay(const listview_curses& lv,
257	media_t media,
258	int y,
259	int bottom,
260	attr_line_t& value_out) override;
261
262	private:
263	textfile_sub_source* tho_src;
264	text_sub_source* tho_log_src;
265	std::vector<attr_line_t> tho_static_lines;
266	hasher::array_t tho_filter_state;
267	};
268
269	#endif

tstack / lnav / 20114321350-2741

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