Edit File: ConsoleTput.php
<?php /** * Hoa * * * @license * * New BSD License * * Copyright © 2007-2017, Hoa community. 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 the Hoa 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDERS AND 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. */ namespace Psy\Readline\Hoa; /** * Class \Hoa\Console\Tput. * * Query terminfo database. * Resources: * • http://man.cx/terminfo(5), * • http://pubs.opengroup.org/onlinepubs/7908799/xcurses/terminfo.html, */ class ConsoleTput { /** * Booleans. */ protected static $_booleans = [ 'auto_left_margin', 'auto_right_margin', 'no_esc_ctlc', 'ceol_standout_glitch', 'eat_newline_glitch', 'erase_overstrike', 'generic_type', 'hard_copy', 'meta_key', // originally has_meta_key 'status_line', // originally has_status_line 'insert_null_glitch', 'memory_above', 'memory_below', 'move_insert_mode', 'move_standout_mode', 'over_strike', 'status_line_esc_ok', 'dest_tabs_magic_smso', 'tilde_glitch', 'transparent_underline', 'xon_xoff', 'needs_xon_xoff', 'prtr_silent', 'hard_cursor', 'non_rev_rmcup', 'no_pad_char', 'non_dest_scroll_region', 'can_change', 'back_color_erase', 'hue_lightness_saturation', 'col_addr_glitch', 'cr_cancels_micro_mode', 'print_wheel', // originally has_print_wheel 'row_addr_glitch', 'semi_auto_right_margin', 'cpi_changes_res', 'lpi_changes_res', // #ifdef __INTERNAL_CAPS_VISIBLE 'backspaces_with_bs', 'crt_no_scrolling', 'no_correctly_working_cr', 'gnu_meta_key', // originally gnu_has_meta_key 'linefeed_is_newline', 'hardware_tabs', // originally has_hardware_tabs 'return_does_clr_eol', ]; /** * Numbers. */ protected static $_numbers = [ 'columns', 'init_tabs', 'lines', 'lines_of_memory', 'magic_cookie_glitch', 'padding_baud_rate', 'virtual_terminal', 'width_status_line', 'num_labels', 'label_height', 'label_width', 'max_attributes', 'maximum_windows', 'max_colors', 'max_pairs', 'no_color_video', 'buffer_capacity', 'dot_vert_spacing', 'dot_horz_spacing', 'max_micro_address', 'max_micro_jump', 'micro_col_size', 'micro_line_size', 'number_of_pins', 'output_res_char', 'output_res_line', 'output_res_horz_inch', 'output_res_vert_inch', 'print_rate', 'wide_char_size', 'buttons', 'bit_image_entwining', 'bit_image_type', // #ifdef __INTERNAL_CAPS_VISIBLE 'magic_cookie_glitch_ul', 'carriage_return_delay', 'new_line_delay', 'backspace_delay', 'horizontal_tab_delay', 'number_of_function_keys', ]; /** * Strings. */ protected static $_strings = [ 'back_tab', 'bell', 'carriage_return', 'change_scroll_region', 'clear_all_tabs', 'clear_screen', 'clr_eol', 'clr_eos', 'column_address', 'command_character', 'cursor_address', 'cursor_down', 'cursor_home', 'cursor_invisible', 'cursor_left', 'cursor_mem_address', 'cursor_normal', 'cursor_right', 'cursor_to_ll', 'cursor_up', 'cursor_visible', 'delete_character', 'delete_line', 'dis_status_line', 'down_half_line', 'enter_alt_charset_mode', 'enter_blink_mode', 'enter_bold_mode', 'enter_ca_mode', 'enter_delete_mode', 'enter_dim_mode', 'enter_insert_mode', 'enter_secure_mode', 'enter_protected_mode', 'enter_reverse_mode', 'enter_standout_mode', 'enter_underline_mode', 'erase_chars', 'exit_alt_charset_mode', 'exit_attribute_mode', 'exit_ca_mode', 'exit_delete_mode', 'exit_insert_mode', 'exit_standout_mode', 'exit_underline_mode', 'flash_screen', 'form_feed', 'from_status_line', 'init_1string', 'init_2string', 'init_3string', 'init_file', 'insert_character', 'insert_line', 'insert_padding', 'key_backspace', 'key_catab', 'key_clear', 'key_ctab', 'key_dc', 'key_dl', 'key_down', 'key_eic', 'key_eol', 'key_eos', 'key_f0', 'key_f1', 'key_f10', 'key_f2', 'key_f3', 'key_f4', 'key_f5', 'key_f6', 'key_f7', 'key_f8', 'key_f9', 'key_home', 'key_ic', 'key_il', 'key_left', 'key_ll', 'key_npage', 'key_ppage', 'key_right', 'key_sf', 'key_sr', 'key_stab', 'key_up', 'keypad_local', 'keypad_xmit', 'lab_f0', 'lab_f1', 'lab_f10', 'lab_f2', 'lab_f3', 'lab_f4', 'lab_f5', 'lab_f6', 'lab_f7', 'lab_f8', 'lab_f9', 'meta_off', 'meta_on', 'newline', 'pad_char', 'parm_dch', 'parm_delete_line', 'parm_down_cursor', 'parm_ich', 'parm_index', 'parm_insert_line', 'parm_left_cursor', 'parm_right_cursor', 'parm_rindex', 'parm_up_cursor', 'pkey_key', 'pkey_local', 'pkey_xmit', 'print_screen', 'prtr_off', 'prtr_on', 'repeat_char', 'reset_1string', 'reset_2string', 'reset_3string', 'reset_file', 'restore_cursor', 'row_address', 'save_cursor', 'scroll_forward', 'scroll_reverse', 'set_attributes', 'set_tab', 'set_window', 'tab', 'to_status_line', 'underline_char', 'up_half_line', 'init_prog', 'key_a1', 'key_a3', 'key_b2', 'key_c1', 'key_c3', 'prtr_non', 'char_padding', 'acs_chars', 'plab_norm', 'key_btab', 'enter_xon_mode', 'exit_xon_mode', 'enter_am_mode', 'exit_am_mode', 'xon_character', 'xoff_character', 'ena_acs', 'label_on', 'label_off', 'key_beg', 'key_cancel', 'key_close', 'key_command', 'key_copy', 'key_create', 'key_end', 'key_enter', 'key_exit', 'key_find', 'key_help', 'key_mark', 'key_message', 'key_move', 'key_next', 'key_open', 'key_options', 'key_previous', 'key_print', 'key_redo', 'key_reference', 'key_refresh', 'key_replace', 'key_restart', 'key_resume', 'key_save', 'key_suspend', 'key_undo', 'key_sbeg', 'key_scancel', 'key_scommand', 'key_scopy', 'key_screate', 'key_sdc', 'key_sdl', 'key_select', 'key_send', 'key_seol', 'key_sexit', 'key_sfind', 'key_shelp', 'key_shome', 'key_sic', 'key_sleft', 'key_smessage', 'key_smove', 'key_snext', 'key_soptions', 'key_sprevious', 'key_sprint', 'key_sredo', 'key_sreplace', 'key_sright', 'key_srsume', 'key_ssave', 'key_ssuspend', 'key_sundo', 'req_for_input', 'key_f11', 'key_f12', 'key_f13', 'key_f14', 'key_f15', 'key_f16', 'key_f17', 'key_f18', 'key_f19', 'key_f20', 'key_f21', 'key_f22', 'key_f23', 'key_f24', 'key_f25', 'key_f26', 'key_f27', 'key_f28', 'key_f29', 'key_f30', 'key_f31', 'key_f32', 'key_f33', 'key_f34', 'key_f35', 'key_f36', 'key_f37', 'key_f38', 'key_f39', 'key_f40', 'key_f41', 'key_f42', 'key_f43', 'key_f44', 'key_f45', 'key_f46', 'key_f47', 'key_f48', 'key_f49', 'key_f50', 'key_f51', 'key_f52', 'key_f53', 'key_f54', 'key_f55', 'key_f56', 'key_f57', 'key_f58', 'key_f59', 'key_f60', 'key_f61', 'key_f62', 'key_f63', 'clr_bol', 'clear_margins', 'set_left_margin', 'set_right_margin', 'label_format', 'set_clock', 'display_clock', 'remove_clock', 'create_window', 'goto_window', 'hangup', 'dial_phone', 'quick_dial', 'tone', 'pulse', 'flash_hook', 'fixed_pause', 'wait_tone', 'user0', 'user1', 'user2', 'user3', 'user4', 'user5', 'user6', 'user7', 'user8', 'user9', 'orig_pair', 'orig_colors', 'initialize_color', 'initialize_pair', 'set_color_pair', 'set_foreground', 'set_background', 'change_char_pitch', 'change_line_pitch', 'change_res_horz', 'change_res_vert', 'define_char', 'enter_doublewide_mode', 'enter_draft_quality', 'enter_italics_mode', 'enter_leftward_mode', 'enter_micro_mode', 'enter_near_letter_quality', 'enter_normal_quality', 'enter_shadow_mode', 'enter_subscript_mode', 'enter_superscript_mode', 'enter_upward_mode', 'exit_doublewide_mode', 'exit_italics_mode', 'exit_leftward_mode', 'exit_micro_mode', 'exit_shadow_mode', 'exit_subscript_mode', 'exit_superscript_mode', 'exit_upward_mode', 'micro_column_address', 'micro_down', 'micro_left', 'micro_right', 'micro_row_address', 'micro_up', 'order_of_pins', 'parm_down_micro', 'parm_left_micro', 'parm_right_micro', 'parm_up_micro', 'select_char_set', 'set_bottom_margin', 'set_bottom_margin_parm', 'set_left_margin_parm', 'set_right_margin_parm', 'set_top_margin', 'set_top_margin_parm', 'start_bit_image', 'start_char_set_def', 'stop_bit_image', 'stop_char_set_def', 'subscript_characters', 'superscript_characters', 'these_cause_cr', 'zero_motion', 'char_set_names', 'key_mouse', 'mouse_info', 'req_mouse_pos', 'get_mouse', 'set_a_foreground', 'set_a_background', 'pkey_plab', 'device_type', 'code_set_init', 'set0_des_seq', 'set1_des_seq', 'set2_des_seq', 'set3_des_seq', 'set_lr_margin', 'set_tb_margin', 'bit_image_repeat', 'bit_image_newline', 'bit_image_carriage_return', 'color_names', 'define_bit_image_region', 'end_bit_image_region', 'set_color_band', 'set_page_length', 'display_pc_char', 'enter_pc_charset_mode', 'exit_pc_charset_mode', 'enter_scancode_mode', 'exit_scancode_mode', 'pc_term_options', 'scancode_escape', 'alt_scancode_esc', 'enter_horizontal_hl_mode', 'enter_left_hl_mode', 'enter_low_hl_mode', 'enter_right_hl_mode', 'enter_top_hl_mode', 'enter_vertical_hl_mode', 'set_a_attributes', 'set_pglen_inch', // #ifdef __INTERNAL_CAPS_VISIBLE 'termcap_init2', 'termcap_reset', 'linefeed_if_not_lf', 'backspace_if_not_bs', 'other_non_function_keys', 'arrow_key_map', 'acs_ulcorner', 'acs_llcorner', 'acs_urcorner', 'acs_lrcorner', 'acs_ltee', 'acs_rtee', 'acs_btee', 'acs_ttee', 'acs_hline', 'acs_vline', 'acs_plus', 'memory_lock', 'memory_unlock', 'box_chars_1', ]; /** * Computed informations. */ protected $_informations = []; /** * Set stream and parse. */ public function __construct($terminfo = null) { if (null === $terminfo) { $terminfo = static::getTerminfo(); } $this->parse($terminfo); return; } /** * Parse. */ protected function parse(string $terminfo): array { if (!\file_exists($terminfo)) { throw new ConsoleException('Terminfo file %s does not exist.', 0, $terminfo); } $data = \file_get_contents($terminfo); $length = \strlen($data); $out = ['file' => $terminfo]; $headers = [ 'data_size' => $length, 'header_size' => 12, 'magic_number' => (\ord($data[1]) << 8) | \ord($data[0]), 'names_size' => (\ord($data[3]) << 8) | \ord($data[2]), 'bool_count' => (\ord($data[5]) << 8) | \ord($data[4]), 'number_count' => (\ord($data[7]) << 8) | \ord($data[6]), 'string_count' => (\ord($data[9]) << 8) | \ord($data[8]), 'string_table_size' => (\ord($data[11]) << 8) | \ord($data[10]), ]; $out['headers'] = $headers; // Names. $i = $headers['header_size']; $nameAndDescription = \explode('|', \substr($data, $i, $headers['names_size'] - 1)); $out['name'] = $nameAndDescription[0]; $out['description'] = $nameAndDescription[1]; // Booleans. $i += $headers['names_size']; $booleans = []; $booleanNames = &static::$_booleans; for ( $e = 0, $max = $i + $headers['bool_count']; $i < $max; ++$e, ++$i ) { $booleans[$booleanNames[$e]] = 1 === \ord($data[$i]); } $out['booleans'] = $booleans; // Numbers. if (1 === ($i % 2)) { ++$i; } $numbers = []; $numberNames = &static::$_numbers; for ( $e = 0, $max = $i + $headers['number_count'] * 2; $i < $max; ++$e, $i += 2 ) { $name = $numberNames[$e]; $data_i0 = \ord($data[$i]); $data_i1 = \ord($data[$i + 1]); if ($data_i1 === 255 && $data_i0 === 255) { $numbers[$name] = -1; } else { $numbers[$name] = ($data_i1 << 8) | $data_i0; } } $out['numbers'] = $numbers; // Strings. $strings = []; $stringNames = &static::$_strings; $ii = $i + $headers['string_count'] * 2; for ( $e = 0, $max = $ii; $i < $max; ++$e, $i += 2 ) { $name = $stringNames[$e]; $data_i0 = \ord($data[$i]); $data_i1 = \ord($data[$i + 1]); if ($data_i1 === 255 && $data_i0 === 255) { continue; } $a = ($data_i1 << 8) | $data_i0; $strings[$name] = $a; if (65534 === $a) { continue; } $b = $ii + $a; $c = $b; while ($c < $length && \ord($data[$c])) { $c++; } $value = \substr($data, $b, $c - $b); $strings[$name] = false !== $value ? $value : null; } $out['strings'] = $strings; return $this->_informations = $out; } /** * Get all informations. */ public function getInformations(): array { return $this->_informations; } /** * Get a boolean value. */ public function has(string $boolean): bool { if (!isset($this->_informations['booleans'][$boolean])) { return false; } return $this->_informations['booleans'][$boolean]; } /** * Get a number value. */ public function count(string $number): int { if (!isset($this->_informations['numbers'][$number])) { return 0; } return $this->_informations['numbers'][$number]; } /** * Get a string value. */ public function get(string $string) { if (!isset($this->_informations['strings'][$string])) { return null; } return $this->_informations['strings'][$string]; } /** * Get current term profile. */ public static function getTerm(): string { return isset($_SERVER['TERM']) && !empty($_SERVER['TERM']) ? $_SERVER['TERM'] : (\defined('PHP_WINDOWS_VERSION_PLATFORM') ? 'windows-ansi' : 'xterm'); } /** * Get pathname to the current terminfo. */ public static function getTerminfo($term = null): string { $paths = []; if (isset($_SERVER['TERMINFO'])) { $paths[] = $_SERVER['TERMINFO']; } if (isset($_SERVER['HOME'])) { $paths[] = $_SERVER['HOME'].\DIRECTORY_SEPARATOR.'.terminfo'; } if (isset($_SERVER['TERMINFO_DIRS'])) { foreach (\explode(':', $_SERVER['TERMINFO_DIRS']) as $path) { $paths[] = $path; } } $paths[] = '/usr/share/terminfo'; $paths[] = '/usr/share/lib/terminfo'; $paths[] = '/lib/terminfo'; $paths[] = '/usr/lib/terminfo'; $paths[] = '/usr/local/share/terminfo'; $paths[] = '/usr/local/share/lib/terminfo'; $paths[] = '/usr/local/lib/terminfo'; $paths[] = '/usr/local/ncurses/lib/terminfo'; $paths[] = 'hoa://Library/Terminfo'; $term = $term ?: static::getTerm(); $fileHexa = \dechex(\ord($term[0])).\DIRECTORY_SEPARATOR.$term; $fileAlpha = $term[0].\DIRECTORY_SEPARATOR.$term; $pathname = null; foreach ($paths as $path) { if (\file_exists($_ = $path.\DIRECTORY_SEPARATOR.$fileHexa) || \file_exists($_ = $path.\DIRECTORY_SEPARATOR.$fileAlpha)) { $pathname = $_; break; } } if (null === $pathname && 'xterm' !== $term) { return static::getTerminfo('xterm'); } return $pathname ?? ''; } /** * Check whether all required terminfo capabilities are defined. */ public static function isSupported(): bool { if (static::getTerminfo() === '') { return false; } $requiredVars = [ 'clear_screen', 'clr_bol', 'clr_eol', 'clr_eos', 'initialize_color', 'parm_down_cursor', 'parm_index', 'parm_left_cursor', 'parm_right_cursor', 'parm_rindex', 'parm_up_cursor', 'user6', 'user7', ]; $tput = new self(); foreach ($requiredVars as $var) { if ($tput->get($var) === null) { return false; } } return true; } }
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