23066365063-2835

Committed 13 Mar 2026 06:12PM UTC coverage: 68.989% (+0.01%) from 68.979%

Build # 23066365063-2835

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push

github

Committed by

tstack

Commit Message

[cmds] add sticky headers

Related to #1385

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114 of 146 new or added lines in 6 files covered. (78.08%)

13 existing lines in 4 files now uncovered.

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79.0

/src/command_executor.hh

/**
 * Copyright (c) 2015, 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 LNAV_COMMAND_EXECUTOR_H
#define LNAV_COMMAND_EXECUTOR_H

#include <filesystem>
#include <functional>
#include <future>
#include <optional>
#include <stack>
#include <string>
#include <vector>

#include <sqlite3.h>

#include "base/auto_fd.hh"
#include "base/lnav.console.hh"
#include "base/lnav.resolver.hh"
#include "db_sub_source.hh"
#include "fmt/format.h"
#include "help_text.hh"
#include "lnav.script.parser.hh"
#include "vis_line.hh"

struct exec_context;
class attr_line_t;
class logline_value;
struct logline_value_vector;

using sql_callback_t = int (*)(exec_context&, sqlite3_stmt*);
int sql_callback(exec_context& ec, sqlite3_stmt* stmt);
int internal_sql_callback(exec_context& ec, sqlite3_stmt* stmt);

using pipe_callback_t
    = std::future<std::string> (*)(exec_context&, const std::string&, auto_fd&);

using msg_callback_t = std::function<void(const lnav::console::user_message&)>;

struct exec_context {
    enum class perm_t {
        READ_WRITE,
        READ_ONLY,
    };

    using output_t = std::pair<FILE*, int (*)(FILE*)>;

    exec_context(logline_value_vector* line_values = nullptr,
                 sql_callback_t sql_callback = ::sql_callback,
                 pipe_callback_t pipe_callback = nullptr);

    bool is_read_write() const { return this->ec_perms == perm_t::READ_WRITE; }

    bool is_read_only() const { return this->ec_perms == perm_t::READ_ONLY; }

    exec_context& with_perms(perm_t perms)
    {
        this->ec_perms = perms;
        return *this;
    }

    void add_error_context(lnav::console::user_message& um) const;

    lnav::console::user_message make_error_from_str(std::string&& str) const;

    template<typename... Args>
    lnav::console::user_message make_error_msg(fmt::string_view format_str,
                                               const Args&... args) const
    {
        auto str = fmt::vformat(format_str, fmt::make_format_args(args...));

        return this->make_error_from_str(std::move(str));
    }

    template<typename... Args>
    Result<std::string, lnav::console::user_message> make_error(
        fmt::string_view format_str, const Args&... args) const
    {
        return Err(this->make_error_msg(format_str, args...));
    }

    std::optional<FILE*> get_output() const
    {
        for (auto iter = this->ec_output_stack.rbegin();
             iter != this->ec_output_stack.rend();
             ++iter)
        {
            if (iter->od_output && iter->od_output->first) {
                return iter->od_output->first;
            }
        }

        return std::nullopt;
    }

    text_format_t get_output_format() const
    {
        auto retval = text_format_t::TF_PLAINTEXT;

        if (!this->ec_output_stack.empty()) {
            retval = this->ec_output_stack.back().od_format;
        }
        return retval;
    }

    void set_output_format(text_format_t tf)
    {
        if (!this->ec_output_stack.empty()
            && this->ec_output_stack.back().od_format
                == text_format_t::TF_PLAINTEXT)
        {
            this->ec_output_stack.back().od_format = tf;
        }
    }

    void set_output(const std::string& name, FILE* file, int (*closer)(FILE*));

    void clear_output();

    struct mouse_input {};
    struct keyboard_input {};
    struct format_rewrite {};
    struct user {};
    struct file_open {
        std::string fo_name;
    };
    struct external_access {
        std::string ea_src;
    };

    using provenance_t = mapbox::util::variant<user,
                                               format_rewrite,
                                               keyboard_input,
                                               mouse_input,
                                               file_open,
                                               external_access>;

    struct provenance_guard {
        explicit provenance_guard(exec_context* context, provenance_t prov)
            : pg_context(context)
        {
            this->pg_context->ec_provenance.push_back(prov);
        }

        provenance_guard(const provenance_guard&) = delete;
        provenance_guard(provenance_guard&& other)
            : pg_context(other.pg_context)
        {
            other.pg_context = nullptr;
        }

        ~provenance_guard()
        {
            if (this->pg_context != nullptr) {
                this->pg_context->ec_provenance.pop_back();
            }
        }

        exec_context* operator->() { return this->pg_context; }

        exec_context* pg_context;
    };

    provenance_guard with_provenance(provenance_t prov)
    {
        return provenance_guard{this, prov};
    }

    struct source_guard {
        source_guard(exec_context* context) : sg_context(context) {}

        source_guard(const source_guard&) = delete;

        source_guard(source_guard&& other)
            : sg_context(std::exchange(other.sg_context, nullptr))
        {
        }

        ~source_guard()
        {
            if (this->sg_context != nullptr) {
                this->sg_context->ec_source.pop_back();
            }
        }

        exec_context* sg_context;
    };

    struct output_guard {
        explicit output_guard(exec_context& context,
                              std::string name = "default",
                              const std::optional<output_t>& file
                              = std::nullopt,
                              text_format_t tf = text_format_t::TF_PLAINTEXT);

        ~output_guard();

        exec_context& sg_context;
        bool sg_active;
    };

    struct sql_callback_guard {
        sql_callback_guard(exec_context& context, sql_callback_t cb);

        sql_callback_guard(const sql_callback_guard&) = delete;

        sql_callback_guard(sql_callback_guard&& other);

        ~sql_callback_guard();

        exec_context& scg_context;
        sql_callback_t scg_old_callback;
    };

    sql_callback_guard push_callback(sql_callback_t cb);

    source_guard enter_source(source_location, const std::string& content);

    source_guard enter_source(intern_string_t path,
                              int line_number,
                              const std::string& content)
    {
        return this->enter_source(source_location{path, line_number}, content);
    }

    struct db_source_guard {
        explicit db_source_guard(exec_context* context) : dsg_context(context)
        {
        }

        db_source_guard(const db_source_guard&) = delete;

        db_source_guard(db_source_guard&& other) noexcept
            : dsg_context(std::exchange(other.dsg_context, nullptr))
        {
        }

        ~db_source_guard()
        {
            if (this->dsg_context != nullptr) {
                this->dsg_context->ec_label_source_stack.pop_back();
            }
        }

        exec_context* dsg_context;
    };

    db_source_guard enter_db_source(db_label_source* dls)
    {
        this->ec_label_source_stack.push_back(dls);

        return db_source_guard{this};
    }

    struct msg_cb_guard {
        explicit msg_cb_guard(std::vector<msg_callback_t>* cb_stack)
            : sg_cb_stack(cb_stack)
        {
        }

        msg_cb_guard(const msg_cb_guard&) = delete;
        msg_cb_guard(msg_cb_guard&& other) noexcept
            : sg_cb_stack(other.sg_cb_stack)
        {
            other.sg_cb_stack = nullptr;
        }

        ~msg_cb_guard()
        {
            if (this->sg_cb_stack != nullptr) {
                this->sg_cb_stack->pop_back();
            }
        }

        std::vector<msg_callback_t>* sg_cb_stack;
    };

    msg_cb_guard add_msg_callback(msg_callback_t cb)
    {
        this->ec_msg_callback_stack.emplace_back(std::move(cb));
        return msg_cb_guard{&this->ec_msg_callback_stack};
    }

    scoped_resolver create_resolver()
    {
        return {
            &this->ec_local_vars.top(),
            &this->ec_global_vars,
        };
    }

    Result<std::string, lnav::console::user_message> execute(
        source_location loc, const std::string& cmdline);

    using kv_pair_t = std::pair<std::string, std::string>;

    Result<std::string, lnav::console::user_message> execute_with_int(
        source_location loc, const std::string& cmdline)
    {
        return this->execute(loc, cmdline);
    }

    template<typename... Args>
    Result<std::string, lnav::console::user_message> execute_with_int(
        source_location loc,
        const std::string& cmdline,
        kv_pair_t pair,
        Args... args)
    {
        this->ec_local_vars.top().emplace(pair);
        return this->execute_with_int(loc, cmdline, args...);
    }

    template<typename... Args>
    Result<std::string, lnav::console::user_message> execute_with(
        source_location loc, const std::string& cmdline, Args... args)
    {
        this->ec_local_vars.push({});
        auto retval = this->execute_with_int(loc, cmdline, args...);
        this->ec_local_vars.pop();

        return retval;
    }

    template<typename T>
    std::optional<T> get_provenance() const
    {
        for (const auto& elem : this->ec_provenance) {
            if (elem.is<T>()) {
                return elem.get<T>();
            }
        }

        return std::nullopt;
    }

    vis_line_t ec_top_line{0_vl};
    bool ec_dry_run{false};
    perm_t ec_perms{perm_t::READ_WRITE};

    logline_value_vector* ec_line_values;
    std::stack<std::map<std::string, scoped_value_t>> ec_local_vars;
    std::vector<provenance_t> ec_provenance;
    std::map<std::string, scoped_value_t> ec_global_vars;
    std::vector<std::filesystem::path> ec_path_stack;
    std::vector<lnav::console::snippet> ec_source;
    help_text* ec_current_help{nullptr};

    struct output_desc {
        output_desc(std::string name,
                    std::optional<output_t> out,
                    text_format_t tf = text_format_t::TF_PLAINTEXT)
            : od_name(std::move(name)), od_output(std::move(out)), od_format(tf)
        {
        }

        std::string od_name;
        std::optional<output_t> od_output;
        text_format_t od_format{text_format_t::TF_PLAINTEXT};
    };

    std::vector<output_desc> ec_output_stack;
    std::unique_ptr<attr_line_t> ec_accumulator;

    sql_callback_t ec_sql_callback;
    pipe_callback_t ec_pipe_callback;
    std::vector<msg_callback_t> ec_msg_callback_stack;
    std::vector<db_label_source*> ec_label_source_stack;

    struct ui_callbacks {
        std::function<void()> uc_pre_stdout_write;
        std::function<void()> uc_post_stdout_write;
        std::function<void()> uc_redraw;
    };
    ui_callbacks ec_ui_callbacks;
};

Result<std::string, lnav::console::user_message> execute_command(
    exec_context& ec, const std::string& cmdline);

Result<std::string, lnav::console::user_message> execute_sql(
    exec_context& ec, const std::string& sql, std::string& alt_msg);

class multiline_executor : public lnav::script::parser {
public:
    exec_context& me_exec_context;
    std::string me_last_result;

    multiline_executor(exec_context& ec, const std::string& src)
        : parser(src), me_exec_context(ec)
    {
    }

    Result<void, lnav::console::user_message> handle_command(
        const std::string& cmd) override;
};

Result<std::string, lnav::console::user_message> execute_file(
    exec_context& ec, const std::string& path_and_args);
Result<std::string, lnav::console::user_message> execute_any(
    exec_context& ec, const std::string& cmdline);
void execute_init_commands(
    exec_context& ec,
    std::vector<std::pair<Result<std::string, lnav::console::user_message>,
                          std::string>>& msgs);

std::future<std::string> pipe_callback(exec_context& ec,
                                       const std::string& cmdline,
                                       auto_fd& fd);

int sql_progress(const struct log_cursor& lc);
void sql_progress_finished();

void add_global_vars(exec_context& ec);

#endif  // LNAV_COMMAND_EXECUTOR_H

1	/**
2	* Copyright (c) 2015, 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 LNAV_COMMAND_EXECUTOR_H
31	#define LNAV_COMMAND_EXECUTOR_H
32
33	#include <filesystem>
34	#include <functional>
35	#include <future>
36	#include <optional>
37	#include <stack>
38	#include <string>
39	#include <vector>
40
41	#include <sqlite3.h>
42
43	#include "base/auto_fd.hh"
44	#include "base/lnav.console.hh"
45	#include "base/lnav.resolver.hh"
46	#include "db_sub_source.hh"
47	#include "fmt/format.h"
48	#include "help_text.hh"
49	#include "lnav.script.parser.hh"
50	#include "vis_line.hh"
51
52	struct exec_context;
53	class attr_line_t;
54	class logline_value;
55	struct logline_value_vector;
56
57	using sql_callback_t = int ()(exec_context&, sqlite3_stmt);
58	int sql_callback(exec_context& ec, sqlite3_stmt* stmt);
59	int internal_sql_callback(exec_context& ec, sqlite3_stmt* stmt);
60
61	using pipe_callback_t
62	= std::future<std::string> (*)(exec_context&, const std::string&, auto_fd&);
63
64	using msg_callback_t = std::function<void(const lnav::console::user_message&)>;
65
66	struct exec_context {
67	enum class perm_t {
68	READ_WRITE,
69	READ_ONLY,
70	};
71
72	using output_t = std::pair<FILE, int ()(FILE*)>;
73
74	exec_context(logline_value_vector* line_values = nullptr,
75	sql_callback_t sql_callback = ::sql_callback,
76	pipe_callback_t pipe_callback = nullptr);
77
78	bool is_read_write() const { return this->ec_perms == perm_t::READ_WRITE; }	35✔
79
80	bool is_read_only() const { return this->ec_perms == perm_t::READ_ONLY; }	1,670✔
81
82	exec_context& with_perms(perm_t perms)	50✔
83	{
84	this->ec_perms = perms;	50✔
85	return *this;	50✔
86	}
87
88	void add_error_context(lnav::console::user_message& um) const;
89
90	lnav::console::user_message make_error_from_str(std::string&& str) const;
91
92	template<typename... Args>
93	lnav::console::user_message make_error_msg(fmt::string_view format_str,	31✔
94	const Args&... args) const
95	{
96	auto str = fmt::vformat(format_str, fmt::make_format_args(args...));	51✔
97
98	return this->make_error_from_str(std::move(str));	62✔
99	}	31✔
100
101	template<typename... Args>
102	Result<std::string, lnav::console::user_message> make_error(	29✔
103	fmt::string_view format_str, const Args&... args) const
104	{
105	return Err(this->make_error_msg(format_str, args...));	29✔
106	}
107
108	std::optional<FILE*> get_output() const	191✔
109	{
110	for (auto iter = this->ec_output_stack.rbegin();	191✔
111	iter != this->ec_output_stack.rend();	237✔
112	++iter)	46✔
113	{
114	if (iter->od_output && iter->od_output->first) {	235✔
115	return iter->od_output->first;	189✔
116	}
117	}
118
119	return std::nullopt;	2✔
120	}
121
122	text_format_t get_output_format() const	7✔
123	{
124	auto retval = text_format_t::TF_PLAINTEXT;	7✔
125
126	if (!this->ec_output_stack.empty()) {	7✔
127	retval = this->ec_output_stack.back().od_format;	7✔
128	}
129	return retval;	7✔
130	}
131
132	void set_output_format(text_format_t tf)	108✔
133	{
134	if (!this->ec_output_stack.empty()	108✔
135	&& this->ec_output_stack.back().od_format	108✔
136	== text_format_t::TF_PLAINTEXT)
137	{
138	this->ec_output_stack.back().od_format = tf;	106✔
139	}
140	}	108✔
141
142	void set_output(const std::string& name, FILE* file, int (closer)(FILE));
143
144	void clear_output();
145
146	struct mouse_input {};
147	struct keyboard_input {};
148	struct format_rewrite {};
149	struct user {};
150	struct file_open {
151	std::string fo_name;
152	};
153	struct external_access {
154	std::string ea_src;
155	};
156
157	using provenance_t = mapbox::util::variant<user,
158	format_rewrite,
159	keyboard_input,
160	mouse_input,
161	file_open,
162	external_access>;
163
UNCOV 164	struct provenance_guard {	×
165	explicit provenance_guard(exec_context* context, provenance_t prov)	51✔
166	: pg_context(context)	51✔
UNCOV 167	{	×
168	this->pg_context->ec_provenance.push_back(prov);	51✔
169	}	51✔
170
171	provenance_guard(const provenance_guard&) = delete;
172	provenance_guard(provenance_guard&& other)
173	: pg_context(other.pg_context)
174	{
175	other.pg_context = nullptr;
176	}
UNCOV 177		×
178	~provenance_guard()	51✔
UNCOV 179	{	×
180	if (this->pg_context != nullptr) {	51✔
181	this->pg_context->ec_provenance.pop_back();	51✔
182	}
183	}	51✔
184
185	exec_context* operator->() { return this->pg_context; }	×
186
187	exec_context* pg_context;
188	};
UNCOV 189		×
190	provenance_guard with_provenance(provenance_t prov)	46✔
UNCOV 191	{	×
192	return provenance_guard{this, prov};	46✔
193	}
194
195	struct source_guard {
196	source_guard(exec_context* context) : sg_context(context) {}	2,555✔
197
198	source_guard(const source_guard&) = delete;
199
200	source_guard(source_guard&& other)
201	: sg_context(std::exchange(other.sg_context, nullptr))
202	{
203	}
UNCOV 204		×
205	~source_guard()	2,555✔
UNCOV 206	{	×
207	if (this->sg_context != nullptr) {	2,555✔
208	this->sg_context->ec_source.pop_back();	2,555✔
209	}
210	}	2,555✔
211
212	exec_context* sg_context;
213	};
214
215	struct output_guard {
216	explicit output_guard(exec_context& context,
217	std::string name = "default",
218	const std::optional<output_t>& file
219	= std::nullopt,
220	text_format_t tf = text_format_t::TF_PLAINTEXT);
221
222	~output_guard();
223
224	exec_context& sg_context;
225	bool sg_active;
226	};
227
228	struct sql_callback_guard {
229	sql_callback_guard(exec_context& context, sql_callback_t cb);
230
231	sql_callback_guard(const sql_callback_guard&) = delete;
232
233	sql_callback_guard(sql_callback_guard&& other);
234
235	~sql_callback_guard();
236
237	exec_context& scg_context;
238	sql_callback_t scg_old_callback;
239	};
240
241	sql_callback_guard push_callback(sql_callback_t cb);
242
243	source_guard enter_source(source_location, const std::string& content);
UNCOV 244		×
245	source_guard enter_source(intern_string_t path,	2,553✔
246	int line_number,
247	const std::string& content)
UNCOV 248	{	×
249	return this->enter_source(source_location{path, line_number}, content);	2,553✔
250	}
251
252	struct db_source_guard {
253	explicit db_source_guard(exec_context* context) : dsg_context(context)	2✔
254	{
255	}	2✔
256
257	db_source_guard(const db_source_guard&) = delete;
258
259	db_source_guard(db_source_guard&& other) noexcept
260	: dsg_context(std::exchange(other.dsg_context, nullptr))
261	{
262	}
263
264	~db_source_guard()	2✔
265	{
266	if (this->dsg_context != nullptr) {	2✔
267	this->dsg_context->ec_label_source_stack.pop_back();	2✔
268	}
269	}	2✔
270
271	exec_context* dsg_context;
272	};
273
274	db_source_guard enter_db_source(db_label_source* dls)	2✔
275	{
276	this->ec_label_source_stack.push_back(dls);	2✔
277
278	return db_source_guard{this};	2✔
279	}
280
281	struct msg_cb_guard {
282	explicit msg_cb_guard(std::vector<msg_callback_t>* cb_stack)	649✔
283	: sg_cb_stack(cb_stack)	649✔
284	{
285	}	649✔
286
287	msg_cb_guard(const msg_cb_guard&) = delete;
288	msg_cb_guard(msg_cb_guard&& other) noexcept
289	: sg_cb_stack(other.sg_cb_stack)
290	{
291	other.sg_cb_stack = nullptr;
292	}
293
294	~msg_cb_guard()	649✔
295	{
296	if (this->sg_cb_stack != nullptr) {	649✔
297	this->sg_cb_stack->pop_back();	649✔
298	}
299	}	649✔
300
301	std::vector<msg_callback_t>* sg_cb_stack;
302	};
303
304	msg_cb_guard add_msg_callback(msg_callback_t cb)	649✔
305	{
306	this->ec_msg_callback_stack.emplace_back(std::move(cb));	649✔
307	return msg_cb_guard{&this->ec_msg_callback_stack};	649✔
308	}
309
310	scoped_resolver create_resolver()	248✔
311	{
312	return {
313	&this->ec_local_vars.top(),	248✔
314	&this->ec_global_vars,	248✔
315	};	248✔
316	}
317
318	Result<std::string, lnav::console::user_message> execute(
319	source_location loc, const std::string& cmdline);
320
321	using kv_pair_t = std::pair<std::string, std::string>;
322
323	Result<std::string, lnav::console::user_message> execute_with_int(	×
324	source_location loc, const std::string& cmdline)
325	{
326	return this->execute(loc, cmdline);	×
327	}
328
329	template<typename... Args>
330	Result<std::string, lnav::console::user_message> execute_with_int(	×
331	source_location loc,
332	const std::string& cmdline,
333	kv_pair_t pair,
334	Args... args)
335	{
336	this->ec_local_vars.top().emplace(pair);	×
337	return this->execute_with_int(loc, cmdline, args...);	×
338	}
339
340	template<typename... Args>
341	Result<std::string, lnav::console::user_message> execute_with(	×
342	source_location loc, const std::string& cmdline, Args... args)
343	{
344	this->ec_local_vars.push({});	×
345	auto retval = this->execute_with_int(loc, cmdline, args...);	×
346	this->ec_local_vars.pop();	×
347
348	return retval;	×
349	}
350
351	template<typename T>
352	std::optional<T> get_provenance() const	1,836✔
353	{
354	for (const auto& elem : this->ec_provenance) {	1,852✔
355	if (elem.is<T>()) {	53✔
356	return elem.get<T>();	37✔
357	}
358	}
359
360	return std::nullopt;	1,799✔
361	}
362
363	vis_line_t ec_top_line{0_vl};
364	bool ec_dry_run{false};
365	perm_t ec_perms{perm_t::READ_WRITE};
366
367	logline_value_vector* ec_line_values;
368	std::stack<std::map<std::string, scoped_value_t>> ec_local_vars;
369	std::vector<provenance_t> ec_provenance;
370	std::map<std::string, scoped_value_t> ec_global_vars;
371	std::vector<std::filesystem::path> ec_path_stack;
372	std::vector<lnav::console::snippet> ec_source;
373	help_text* ec_current_help{nullptr};
374
375	struct output_desc {
376	output_desc(std::string name,	4,347✔
377	std::optional<output_t> out,
378	text_format_t tf = text_format_t::TF_PLAINTEXT)
379	: od_name(std::move(name)), od_output(std::move(out)), od_format(tf)	4,347✔
380	{
381	}	4,347✔
382
383	std::string od_name;
384	std::optional<output_t> od_output;
385	text_format_t od_format{text_format_t::TF_PLAINTEXT};
386	};
387
388	std::vector<output_desc> ec_output_stack;
389	std::unique_ptr<attr_line_t> ec_accumulator;
390
391	sql_callback_t ec_sql_callback;
392	pipe_callback_t ec_pipe_callback;
393	std::vector<msg_callback_t> ec_msg_callback_stack;
394	std::vector<db_label_source*> ec_label_source_stack;
395
396	struct ui_callbacks {
397	std::function<void()> uc_pre_stdout_write;
398	std::function<void()> uc_post_stdout_write;
399	std::function<void()> uc_redraw;
400	};
401	ui_callbacks ec_ui_callbacks;
402	};
403
404	Result<std::string, lnav::console::user_message> execute_command(
405	exec_context& ec, const std::string& cmdline);
406
407	Result<std::string, lnav::console::user_message> execute_sql(
408	exec_context& ec, const std::string& sql, std::string& alt_msg);
409
410	class multiline_executor : public lnav::script::parser {
411	public:
412	exec_context& me_exec_context;
413	std::string me_last_result;
414
415	multiline_executor(exec_context& ec, const std::string& src)	60✔
416	: parser(src), me_exec_context(ec)	60✔
417	{
418	}	60✔
419
420	Result<void, lnav::console::user_message> handle_command(
421	const std::string& cmd) override;
422	};
423
424	Result<std::string, lnav::console::user_message> execute_file(
425	exec_context& ec, const std::string& path_and_args);
426	Result<std::string, lnav::console::user_message> execute_any(
427	exec_context& ec, const std::string& cmdline);
428	void execute_init_commands(
429	exec_context& ec,
430	std::vector<std::pair<Result<std::string, lnav::console::user_message>,
431	std::string>>& msgs);
432
433	std::future<std::string> pipe_callback(exec_context& ec,
434	const std::string& cmdline,
435	auto_fd& fd);
436
437	int sql_progress(const struct log_cursor& lc);
438	void sql_progress_finished();
439
440	void add_global_vars(exec_context& ec);
441
442	#endif // LNAV_COMMAND_EXECUTOR_H

tstack / lnav / 23066365063-2835

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