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866 lines
30 KiB
C++
866 lines
30 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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#include "base/humanize.network.hh"
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#include "base/injector.hh"
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#include "command_executor.hh"
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#include "config.h"
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#include "field_overlay_source.hh"
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#include "help_text_formatter.hh"
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#include "lnav.hh"
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#include "lnav_config.hh"
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#include "lnav_util.hh"
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#include "log_format_loader.hh"
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#include "plain_text_source.hh"
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#include "readline_curses.hh"
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#include "readline_highlighters.hh"
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#include "service_tags.hh"
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#include "sql_help.hh"
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#include "sqlite-extension-func.hh"
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#include "sysclip.hh"
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#include "tailer/tailer.looper.hh"
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#include "view_helpers.examples.hh"
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#include "vtab_module.hh"
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#include "yajlpp/yajlpp.hh"
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using namespace std::chrono_literals;
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#define ABORT_MSG "(Press " ANSI_BOLD("CTRL+]") " to abort)"
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#define STR_HELPER(x) #x
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#define STR(x) STR_HELPER(x)
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#define ANSI_RE(msg) ANSI_CSI "1;3" STR(COLOR_CYAN) "m" msg ANSI_NORM
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#define ANSI_CLS(msg) ANSI_CSI "1;3" STR(COLOR_MAGENTA) "m" msg ANSI_NORM
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#define ANSI_KW(msg) ANSI_CSI "3" STR(COLOR_BLUE) "m" msg ANSI_NORM
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#define ANSI_REV(msg) ANSI_CSI "7m" msg ANSI_NORM
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#define ANSI_STR(msg) ANSI_CSI "32m" msg ANSI_NORM
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const char *RE_HELP =
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" " ANSI_RE(".") " Any character "
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" " "a" ANSI_RE("|") "b a or b "
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" " ANSI_RE("(?-i)") " Case-sensitive search\n"
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" " ANSI_CLS("\\w") " Word character "
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" " "a" ANSI_RE("?") " 0 or 1 a's "
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" " ANSI_RE("$") " End of string\n"
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" " ANSI_CLS("\\d") " Digit "
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" " "a" ANSI_RE("*") " 0 or more a's "
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" " ANSI_RE("(") "..." ANSI_RE(")") " Capture\n"
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" " ANSI_CLS("\\s") " White space "
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" " "a" ANSI_RE("+") " 1 or more a's "
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" " ANSI_RE("^") " Start of string\n"
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" " ANSI_RE("\\") " Escape character "
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" " ANSI_RE("[^") "ab" ANSI_RE("]") " " ANSI_BOLD("Not") " a or b "
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" " ANSI_RE("[") "ab" ANSI_RE("-") "d" ANSI_RE("]") " Any of a, b, c, or d"
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;
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const char *RE_EXAMPLE =
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ANSI_UNDERLINE("Examples") "\n"
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" abc" ANSI_RE("*") " matches "
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ANSI_STR("'ab'") ", " ANSI_STR("'abc'") ", " ANSI_STR("'abccc'") "\n"
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" key=" ANSI_RE("(\\w+)")
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" matches key=" ANSI_REV("123") ", key=" ANSI_REV("abc") " and captures 123 and abc\n"
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" " ANSI_RE("\\") "[abc" ANSI_RE("\\") "] matches " ANSI_STR("'[abc]'") "\n"
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" " ANSI_RE("(?-i)") "ABC matches " ANSI_STR("'ABC'") " and " ANSI_UNDERLINE("not") " " ANSI_STR("'abc'")
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;
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const char *SQL_HELP =
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" " ANSI_KW("SELECT") " Select rows from a table "
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" " ANSI_KW("DELETE") " Delete rows from a table\n"
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" " ANSI_KW("INSERT") " Insert rows into a table "
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" " ANSI_KW("UPDATE") " Update rows in a table\n"
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" " ANSI_KW("CREATE") " Create a table/index "
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" " ANSI_KW("DROP") " Drop a table/index\n"
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" " ANSI_KW("ATTACH") " Attach a SQLite database file "
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" " ANSI_KW("DETACH") " Detach a SQLite database"
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;
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const char *SQL_EXAMPLE =
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ANSI_UNDERLINE("Examples") "\n"
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" SELECT * FROM %s WHERE log_level >= 'warning' LIMIT 10\n"
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" UPDATE %s SET log_mark = 1 WHERE log_line = log_top_line()\n"
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" SELECT * FROM logline LIMIT 10"
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;
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static const char* LNAV_CMD_PROMPT = "Enter an lnav command: " ABORT_MSG;
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void
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rl_set_help()
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{
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switch (lnav_data.ld_mode) {
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case ln_mode_t::SEARCH: {
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lnav_data.ld_doc_source.replace_with(RE_HELP);
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lnav_data.ld_example_source.replace_with(RE_EXAMPLE);
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break;
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}
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case ln_mode_t::SQL: {
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textview_curses& log_view = lnav_data.ld_views[LNV_LOG];
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auto* lss = (logfile_sub_source*) log_view.get_sub_source();
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attr_line_t example_al;
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if (log_view.get_inner_height() > 0) {
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auto cl = lss->at(log_view.get_top());
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auto lf = lss->find(cl);
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const auto* format_name = lf->get_format()->get_name().get();
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example_al.with_ansi_string(
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SQL_EXAMPLE, format_name, format_name);
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readline_sqlite_highlighter(example_al, 0);
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}
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lnav_data.ld_doc_source.replace_with(SQL_HELP);
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lnav_data.ld_example_source.replace_with(example_al);
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break;
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}
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default:
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break;
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}
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}
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static bool
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rl_sql_help(readline_curses* rc)
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{
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attr_line_t al(rc->get_line_buffer());
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const string_attrs_t& sa = al.get_attrs();
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size_t x = rc->get_x();
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bool has_doc = false;
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if (x > 0) {
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x -= 1;
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}
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annotate_sql_statement(al);
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auto avail_help = find_sql_help_for_line(al, x);
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if (!avail_help.empty()) {
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size_t help_count = avail_help.size();
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textview_curses& dtc = lnav_data.ld_doc_view;
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textview_curses& etc = lnav_data.ld_example_view;
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unsigned long doc_width, ex_width;
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vis_line_t doc_height, ex_height;
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attr_line_t doc_al, ex_al;
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dtc.get_dimensions(doc_height, doc_width);
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etc.get_dimensions(ex_height, ex_width);
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for (const auto& ht : avail_help) {
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format_help_text_for_term(
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*ht, std::min(70UL, doc_width), doc_al, help_count > 1);
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if (help_count == 1) {
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format_example_text_for_term(
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*ht, eval_example, std::min(70UL, ex_width), ex_al);
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}
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}
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if (!doc_al.empty()) {
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lnav_data.ld_doc_source.replace_with(doc_al);
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dtc.reload_data();
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lnav_data.ld_example_source.replace_with(ex_al);
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etc.reload_data();
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has_doc = true;
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}
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}
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auto ident_iter = find_string_attr_containing(
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sa, &SQL_IDENTIFIER_ATTR, al.nearest_text(x));
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if (ident_iter != sa.end()) {
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auto ident = al.get_substring(ident_iter->sa_range);
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auto intern_ident = intern_string::lookup(ident);
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auto vtab = lnav_data.ld_vtab_manager->lookup_impl(intern_ident);
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auto vtab_module_iter = vtab_module_ddls.find(intern_ident);
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std::string ddl;
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if (vtab != nullptr) {
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ddl = trim(vtab->get_table_statement());
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} else if (vtab_module_iter != vtab_module_ddls.end()) {
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ddl = vtab_module_iter->second;
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} else {
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auto table_ddl_iter = lnav_data.ld_table_ddl.find(ident);
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if (table_ddl_iter != lnav_data.ld_table_ddl.end()) {
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ddl = table_ddl_iter->second;
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}
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}
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if (!ddl.empty()) {
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lnav_data.ld_preview_source.replace_with(ddl)
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.set_text_format(text_format_t::TF_SQL)
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.truncate_to(30);
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lnav_data.ld_preview_status_source.get_description().set_value(
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"Definition for table -- %s", ident.c_str());
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}
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}
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return has_doc;
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}
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void
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rl_change(readline_curses* rc)
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{
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static const std::set<std::string> COMMANDS_WITH_SQL = {
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"filter-expr",
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"mark-expr",
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};
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textview_curses* tc = get_textview_for_mode(lnav_data.ld_mode);
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tc->get_highlights().erase({highlight_source_t::PREVIEW, "preview"});
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tc->get_highlights().erase({highlight_source_t::PREVIEW, "bodypreview"});
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lnav_data.ld_log_source.set_preview_sql_filter(nullptr);
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lnav_data.ld_user_message_source.clear();
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lnav_data.ld_preview_source.clear();
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lnav_data.ld_preview_status_source.get_description()
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.set_cylon(false)
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.clear();
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switch (lnav_data.ld_mode) {
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case ln_mode_t::COMMAND: {
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static std::string last_command;
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static int generation = 0;
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const auto line = rc->get_line_buffer();
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std::vector<std::string> args;
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auto iter = lnav_commands.end();
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split_ws(line, args);
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if (args.empty()) {
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generation = 0;
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} else if (args[0] != last_command) {
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last_command = args[0];
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generation = 0;
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} else {
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generation += 1;
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}
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auto* os = tc->get_overlay_source();
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if (!args.empty() && os != nullptr) {
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auto* fos = dynamic_cast<field_overlay_source*>(os);
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if (fos != nullptr) {
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if (generation == 0) {
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auto& top_ctx = fos->fos_contexts.top();
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if (COMMANDS_WITH_SQL.count(args[0]) > 0) {
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top_ctx.c_prefix = ":";
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top_ctx.c_show = true;
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top_ctx.c_show_discovered = false;
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} else {
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top_ctx.c_prefix = ":";
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top_ctx.c_show = false;
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}
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}
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}
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}
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if (!args.empty()) {
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iter = lnav_commands.find(args[0]);
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}
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if (iter == lnav_commands.end()) {
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lnav_data.ld_doc_source.clear();
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lnav_data.ld_example_source.clear();
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lnav_data.ld_preview_source.clear();
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lnav_data.ld_preview_status_source.get_description()
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.set_cylon(false)
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.clear();
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lnav_data.ld_bottom_source.set_prompt(LNAV_CMD_PROMPT);
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lnav_data.ld_bottom_source.grep_error("");
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} else if (args[0] == "config" && args.size() > 1) {
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static const auto INPUT_SRC = intern_string::lookup("input");
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yajlpp_parse_context ypc(INPUT_SRC, &lnav_config_handlers);
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ypc.set_path(args[1]).with_obj(lnav_config);
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ypc.update_callbacks();
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if (ypc.ypc_current_handler != nullptr) {
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const json_path_handler_base* jph = ypc.ypc_current_handler;
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char help_text[1024];
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snprintf(help_text,
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sizeof(help_text),
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ANSI_BOLD("%s %s") " -- %s " ABORT_MSG,
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jph->jph_property.c_str(),
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jph->jph_synopsis,
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jph->jph_description);
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lnav_data.ld_bottom_source.set_prompt(help_text);
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lnav_data.ld_bottom_source.grep_error("");
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} else {
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lnav_data.ld_bottom_source.grep_error(
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"Unknown configuration option: " + args[1]);
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}
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} else if ((args[0] != "filter-expr" && args[0] != "mark-expr")
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|| !rl_sql_help(rc))
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{
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readline_context::command_t& cmd = *iter->second;
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const help_text& ht = cmd.c_help;
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if (ht.ht_name) {
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textview_curses& dtc = lnav_data.ld_doc_view;
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textview_curses& etc = lnav_data.ld_example_view;
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unsigned long width;
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vis_line_t height;
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attr_line_t al;
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dtc.get_dimensions(height, width);
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format_help_text_for_term(ht, std::min(70UL, width), al);
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lnav_data.ld_doc_source.replace_with(al);
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dtc.set_needs_update();
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al.clear();
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etc.get_dimensions(height, width);
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format_example_text_for_term(ht, eval_example, width, al);
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lnav_data.ld_example_source.replace_with(al);
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etc.set_needs_update();
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}
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if (cmd.c_prompt != nullptr && generation == 0
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&& trim(line) == args[0]) {
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const auto new_prompt
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= cmd.c_prompt(lnav_data.ld_exec_context, line);
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if (!new_prompt.empty()) {
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rc->rewrite_line(line.length(), new_prompt);
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}
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}
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lnav_data.ld_bottom_source.grep_error("");
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lnav_data.ld_status[LNS_BOTTOM].window_change();
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}
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break;
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}
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case ln_mode_t::EXEC: {
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const auto line = rc->get_line_buffer();
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size_t name_end = line.find(' ');
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const auto script_name = line.substr(0, name_end);
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auto& scripts = injector::get<available_scripts&>();
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auto iter = scripts.as_scripts.find(script_name);
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if (iter == scripts.as_scripts.end()
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|| iter->second[0].sm_description.empty()) {
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lnav_data.ld_bottom_source.set_prompt(
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"Enter a script to execute: " ABORT_MSG);
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} else {
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struct script_metadata& meta = iter->second[0];
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char help_text[1024];
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snprintf(help_text,
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sizeof(help_text),
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ANSI_BOLD("%s") " -- %s " ABORT_MSG,
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meta.sm_synopsis.c_str(),
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meta.sm_description.c_str());
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lnav_data.ld_bottom_source.set_prompt(help_text);
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}
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break;
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}
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default:
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break;
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}
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}
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static void
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rl_search_internal(readline_curses* rc, ln_mode_t mode, bool complete = false)
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{
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textview_curses* tc = get_textview_for_mode(mode);
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std::string term_val;
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std::string name;
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tc->get_highlights().erase({highlight_source_t::PREVIEW, "preview"});
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tc->get_highlights().erase({highlight_source_t::PREVIEW, "bodypreview"});
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lnav_data.ld_log_source.set_preview_sql_filter(nullptr);
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tc->reload_data();
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lnav_data.ld_user_message_source.clear();
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switch (mode) {
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case ln_mode_t::SEARCH:
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case ln_mode_t::SEARCH_FILTERS:
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case ln_mode_t::SEARCH_FILES:
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name = "$search";
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break;
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case ln_mode_t::CAPTURE:
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require(0);
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name = "$capture";
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break;
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case ln_mode_t::COMMAND: {
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lnav_data.ld_exec_context.ec_dry_run = true;
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lnav_data.ld_preview_generation += 1;
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lnav_data.ld_preview_status_source.get_description()
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.set_cylon(false)
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.clear();
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lnav_data.ld_preview_source.clear();
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auto result = execute_command(lnav_data.ld_exec_context,
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rc->get_value().get_string());
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if (result.isOk()) {
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auto msg = result.unwrap();
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if (msg.empty()) {
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lnav_data.ld_bottom_source.set_prompt(LNAV_CMD_PROMPT);
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lnav_data.ld_bottom_source.grep_error("");
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} else {
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lnav_data.ld_bottom_source.set_prompt(msg);
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lnav_data.ld_bottom_source.grep_error("");
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}
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} else {
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lnav_data.ld_bottom_source.set_prompt("");
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lnav_data.ld_bottom_source.grep_error(
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result.unwrapErr().um_message.get_string());
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}
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lnav_data.ld_preview_view.reload_data();
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lnav_data.ld_exec_context.ec_dry_run = false;
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return;
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}
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case ln_mode_t::SQL: {
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term_val = trim(rc->get_value().get_string() + ";");
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if (!term_val.empty() && term_val[0] == '.') {
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lnav_data.ld_bottom_source.grep_error("");
|
|
} else if (!sqlite3_complete(term_val.c_str())) {
|
|
lnav_data.ld_bottom_source.grep_error(
|
|
"sql error: incomplete statement");
|
|
} else {
|
|
auto_mem<sqlite3_stmt> stmt(sqlite3_finalize);
|
|
int retcode;
|
|
|
|
retcode
|
|
= sqlite3_prepare_v2(lnav_data.ld_db,
|
|
rc->get_value().get_string().c_str(),
|
|
-1,
|
|
stmt.out(),
|
|
nullptr);
|
|
if (retcode != SQLITE_OK) {
|
|
const char* errmsg = sqlite3_errmsg(lnav_data.ld_db);
|
|
|
|
lnav_data.ld_bottom_source.grep_error(
|
|
fmt::format(FMT_STRING("sql error: {}"), errmsg));
|
|
} else {
|
|
lnav_data.ld_bottom_source.grep_error("");
|
|
}
|
|
}
|
|
|
|
if (!rl_sql_help(rc)) {
|
|
rl_set_help();
|
|
lnav_data.ld_preview_source.clear();
|
|
}
|
|
return;
|
|
}
|
|
|
|
case ln_mode_t::PAGING:
|
|
case ln_mode_t::FILTER:
|
|
case ln_mode_t::FILES:
|
|
case ln_mode_t::EXEC:
|
|
case ln_mode_t::USER:
|
|
return;
|
|
}
|
|
|
|
if (!complete) {
|
|
tc->set_top(lnav_data.ld_search_start_line);
|
|
}
|
|
tc->execute_search(rc->get_value().get_string());
|
|
}
|
|
|
|
void
|
|
rl_search(readline_curses* rc)
|
|
{
|
|
textview_curses* tc = get_textview_for_mode(lnav_data.ld_mode);
|
|
|
|
rl_search_internal(rc, lnav_data.ld_mode);
|
|
tc->set_follow_search_for(0, {});
|
|
}
|
|
|
|
void
|
|
lnav_rl_abort(readline_curses* rc)
|
|
{
|
|
textview_curses* tc = get_textview_for_mode(lnav_data.ld_mode);
|
|
|
|
lnav_data.ld_bottom_source.set_prompt("");
|
|
lnav_data.ld_example_source.clear();
|
|
lnav_data.ld_doc_source.clear();
|
|
lnav_data.ld_preview_status_source.get_description()
|
|
.set_cylon(false)
|
|
.clear();
|
|
lnav_data.ld_preview_source.clear();
|
|
tc->get_highlights().erase({highlight_source_t::PREVIEW, "preview"});
|
|
tc->get_highlights().erase({highlight_source_t::PREVIEW, "bodypreview"});
|
|
lnav_data.ld_log_source.set_preview_sql_filter(nullptr);
|
|
|
|
std::vector<lnav::console::user_message> errors;
|
|
lnav_config = rollback_lnav_config;
|
|
reload_config(errors);
|
|
|
|
lnav_data.ld_bottom_source.grep_error("");
|
|
switch (lnav_data.ld_mode) {
|
|
case ln_mode_t::SEARCH:
|
|
tc->set_top(lnav_data.ld_search_start_line);
|
|
tc->revert_search();
|
|
break;
|
|
case ln_mode_t::SQL:
|
|
tc->reload_data();
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
lnav_data.ld_rl_view->set_value("");
|
|
lnav_data.ld_mode = ln_mode_t::PAGING;
|
|
}
|
|
|
|
static void
|
|
rl_callback_int(readline_curses* rc, bool is_alt)
|
|
{
|
|
textview_curses* tc = get_textview_for_mode(lnav_data.ld_mode);
|
|
exec_context& ec = lnav_data.ld_exec_context;
|
|
std::string alt_msg;
|
|
|
|
lnav_data.ld_bottom_source.set_prompt("");
|
|
lnav_data.ld_doc_source.clear();
|
|
lnav_data.ld_example_source.clear();
|
|
lnav_data.ld_preview_status_source.get_description()
|
|
.set_cylon(false)
|
|
.clear();
|
|
lnav_data.ld_preview_source.clear();
|
|
tc->get_highlights().erase({highlight_source_t::PREVIEW, "preview"});
|
|
tc->get_highlights().erase({highlight_source_t::PREVIEW, "bodypreview"});
|
|
lnav_data.ld_log_source.set_preview_sql_filter(nullptr);
|
|
|
|
auto new_mode = ln_mode_t::PAGING;
|
|
|
|
switch (lnav_data.ld_mode) {
|
|
case ln_mode_t::SEARCH_FILTERS:
|
|
new_mode = ln_mode_t::FILTER;
|
|
break;
|
|
case ln_mode_t::SEARCH_FILES:
|
|
new_mode = ln_mode_t::FILES;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
auto old_mode = std::exchange(lnav_data.ld_mode, new_mode);
|
|
switch (old_mode) {
|
|
case ln_mode_t::PAGING:
|
|
case ln_mode_t::FILTER:
|
|
case ln_mode_t::FILES:
|
|
require(0);
|
|
break;
|
|
|
|
case ln_mode_t::COMMAND: {
|
|
rc->set_alt_value("");
|
|
ec.ec_source.top().s_content
|
|
= fmt::format(FMT_STRING(":{}"), rc->get_value().get_string());
|
|
auto exec_res = execute_command(ec, rc->get_value().get_string());
|
|
if (exec_res.isOk()) {
|
|
rc->set_value(exec_res.unwrap());
|
|
} else {
|
|
auto um = exec_res.unwrapErr();
|
|
|
|
lnav_data.ld_user_message_source.replace_with(
|
|
um.to_attr_line().rtrim());
|
|
for (const auto& line :
|
|
lnav_data.ld_user_message_source.get_lines()) {
|
|
log_debug("line -- %s", lnav::to_json(line).c_str());
|
|
}
|
|
lnav_data.ld_user_message_view.reload_data();
|
|
lnav_data.ld_user_message_expiration
|
|
= std::chrono::steady_clock::now() + 20s;
|
|
rc->set_value("");
|
|
}
|
|
ec.ec_source.top().s_content.clear();
|
|
break;
|
|
}
|
|
|
|
case ln_mode_t::USER:
|
|
rc->set_alt_value("");
|
|
ec.ec_local_vars.top()["value"] = rc->get_value().get_string();
|
|
rc->set_value("");
|
|
break;
|
|
|
|
case ln_mode_t::SEARCH:
|
|
case ln_mode_t::SEARCH_FILTERS:
|
|
case ln_mode_t::SEARCH_FILES:
|
|
case ln_mode_t::CAPTURE:
|
|
rl_search_internal(rc, old_mode, true);
|
|
if (!rc->get_value().empty()) {
|
|
auto_mem<FILE> pfile(pclose);
|
|
vis_bookmarks& bm = tc->get_bookmarks();
|
|
const auto& bv = bm[&textview_curses::BM_SEARCH];
|
|
vis_line_t vl = is_alt ? bv.prev(tc->get_top())
|
|
: bv.next(tc->get_top());
|
|
|
|
pfile = sysclip::open(sysclip::type_t::FIND);
|
|
if (pfile.in() != nullptr) {
|
|
fmt::print(
|
|
pfile, FMT_STRING("{}"), rc->get_value().get_string());
|
|
}
|
|
if (vl != -1_vl) {
|
|
tc->set_top(vl);
|
|
} else {
|
|
tc->set_follow_search_for(2000, [tc, is_alt, &bm]() {
|
|
if (bm[&textview_curses::BM_SEARCH].empty()) {
|
|
return false;
|
|
}
|
|
|
|
if (is_alt && tc->is_searching()) {
|
|
return false;
|
|
}
|
|
|
|
vis_line_t first_hit;
|
|
|
|
if (is_alt) {
|
|
first_hit = bm[&textview_curses::BM_SEARCH].prev(
|
|
vis_line_t(tc->get_top()));
|
|
} else {
|
|
first_hit = bm[&textview_curses::BM_SEARCH].next(
|
|
vis_line_t(tc->get_top() - 1));
|
|
}
|
|
if (first_hit != -1) {
|
|
if (first_hit > 0) {
|
|
--first_hit;
|
|
}
|
|
tc->set_top(first_hit);
|
|
}
|
|
|
|
return true;
|
|
});
|
|
}
|
|
rc->set_attr_value(
|
|
attr_line_t("search: ").append(rc->get_value()));
|
|
rc->set_alt_value(HELP_MSG_2(
|
|
n, N, "to move forward/backward through search results"));
|
|
}
|
|
break;
|
|
|
|
case ln_mode_t::SQL: {
|
|
ec.ec_source.top().s_content = rc->get_value();
|
|
auto result
|
|
= execute_sql(ec, rc->get_value().get_string(), alt_msg);
|
|
db_label_source& dls = lnav_data.ld_db_row_source;
|
|
std::string prompt;
|
|
|
|
if (result.isOk()) {
|
|
auto msg = result.unwrap();
|
|
|
|
if (!msg.empty()) {
|
|
prompt = ok_prefix("SQL Result: " + msg);
|
|
if (dls.dls_rows.size() > 1) {
|
|
ensure_view(&lnav_data.ld_views[LNV_DB]);
|
|
}
|
|
}
|
|
} else {
|
|
auto um = result.unwrapErr();
|
|
lnav_data.ld_user_message_source.replace_with(
|
|
um.to_attr_line().rtrim());
|
|
lnav_data.ld_user_message_view.reload_data();
|
|
lnav_data.ld_user_message_expiration
|
|
= std::chrono::steady_clock::now() + 20s;
|
|
}
|
|
ec.ec_source.top().s_content.clear();
|
|
|
|
rc->set_value(prompt);
|
|
rc->set_alt_value(alt_msg);
|
|
break;
|
|
}
|
|
|
|
case ln_mode_t::EXEC: {
|
|
auto_mem<FILE> tmpout(fclose);
|
|
|
|
tmpout = std::tmpfile();
|
|
|
|
if (!tmpout) {
|
|
rc->set_value(fmt::format(
|
|
FMT_STRING("Unable to open temporary output file: {}"),
|
|
strerror(errno)));
|
|
} else {
|
|
auto fd_copy = auto_fd::dup_of(fileno(tmpout));
|
|
char desc[256], timestamp[32];
|
|
time_t current_time = time(nullptr);
|
|
const auto path_and_args = rc->get_value();
|
|
|
|
{
|
|
exec_context::output_guard og(
|
|
ec, "tmp", std::make_pair(tmpout.release(), fclose));
|
|
|
|
auto result = execute_file(ec, path_and_args.get_string())
|
|
.map(ok_prefix)
|
|
.orElse(err_to_ok)
|
|
.unwrap();
|
|
auto lf_index = result.find('\n');
|
|
if (lf_index != std::string::npos) {
|
|
result = result.substr(0, lf_index);
|
|
}
|
|
rc->set_value(result);
|
|
}
|
|
|
|
struct stat st;
|
|
|
|
if (fstat(fd_copy, &st) != -1 && st.st_size > 0) {
|
|
strftime(timestamp,
|
|
sizeof(timestamp),
|
|
"%a %b %d %H:%M:%S %Z",
|
|
localtime(¤t_time));
|
|
snprintf(desc,
|
|
sizeof(desc),
|
|
"Output of %s (%s)",
|
|
path_and_args.get_string().c_str(),
|
|
timestamp);
|
|
lnav_data.ld_active_files.fc_file_names[desc]
|
|
.with_fd(std::move(fd_copy))
|
|
.with_include_in_session(false)
|
|
.with_detect_format(false);
|
|
lnav_data.ld_files_to_front.emplace_back(desc, 0);
|
|
|
|
if (lnav_data.ld_rl_view != nullptr) {
|
|
lnav_data.ld_rl_view->set_alt_value(
|
|
HELP_MSG_1(X, "to close the file"));
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
rl_callback(readline_curses* rc)
|
|
{
|
|
rl_callback_int(rc, false);
|
|
}
|
|
|
|
void
|
|
rl_alt_callback(readline_curses* rc)
|
|
{
|
|
rl_callback_int(rc, true);
|
|
}
|
|
|
|
void
|
|
rl_display_matches(readline_curses* rc)
|
|
{
|
|
const auto& matches = rc->get_matches();
|
|
auto& tc = lnav_data.ld_match_view;
|
|
unsigned long width;
|
|
__attribute((unused)) unsigned long height;
|
|
int max_len, cols;
|
|
|
|
getmaxyx(lnav_data.ld_window, height, width);
|
|
|
|
max_len = rc->get_max_match_length() + 2;
|
|
cols = std::max(1UL, width / max_len);
|
|
|
|
if (matches.empty()) {
|
|
lnav_data.ld_match_source.clear();
|
|
} else {
|
|
const auto current_match = rc->get_match_string();
|
|
int curr_col = 0;
|
|
attr_line_t al;
|
|
bool add_nl = false;
|
|
|
|
for (const auto& match : matches) {
|
|
if (add_nl) {
|
|
al.append(1, '\n');
|
|
add_nl = false;
|
|
}
|
|
if (match == current_match) {
|
|
al.append(match, VC_STYLE.value(A_REVERSE));
|
|
} else {
|
|
al.append(match);
|
|
}
|
|
curr_col += 1;
|
|
if (curr_col < cols) {
|
|
int padding = max_len - match.size();
|
|
|
|
al.append(padding, ' ');
|
|
} else {
|
|
curr_col = 0;
|
|
add_nl = true;
|
|
}
|
|
}
|
|
lnav_data.ld_match_source.replace_with(al);
|
|
}
|
|
|
|
tc.reload_data();
|
|
}
|
|
|
|
void
|
|
rl_display_next(readline_curses* rc)
|
|
{
|
|
textview_curses& tc = lnav_data.ld_match_view;
|
|
|
|
if (tc.get_top() >= (tc.get_top_for_last_row() - 1)) {
|
|
tc.set_top(0_vl);
|
|
} else {
|
|
tc.shift_top(tc.get_height());
|
|
}
|
|
}
|
|
|
|
void
|
|
rl_completion_request(readline_curses* rc)
|
|
{
|
|
isc::to<tailer::looper&, services::remote_tailer_t>().send(
|
|
[rc](auto& tlooper) {
|
|
auto rp_opt = humanize::network::path::from_str(
|
|
rc->get_remote_complete_path());
|
|
if (rp_opt) {
|
|
tlooper.complete_path(*rp_opt);
|
|
}
|
|
});
|
|
}
|
|
|
|
void
|
|
rl_focus(readline_curses* rc)
|
|
{
|
|
auto fos = (field_overlay_source*) lnav_data.ld_views[LNV_LOG]
|
|
.get_overlay_source();
|
|
|
|
fos->fos_contexts.emplace("", false, true);
|
|
}
|
|
|
|
void
|
|
rl_blur(readline_curses* rc)
|
|
{
|
|
auto fos = (field_overlay_source*) lnav_data.ld_views[LNV_LOG]
|
|
.get_overlay_source();
|
|
|
|
fos->fos_contexts.pop();
|
|
lnav_data.ld_preview_generation += 1;
|
|
}
|