示例#1
0
文件: input.c 项目: dmt4/ne
char request_char(const buffer * const b, const char * const prompt, const char default_value) {
	set_attr(0);
	print_prompt(prompt);

	if (default_value) output_char(default_value, 0, false);
	move_cursor(b->cur_y, b->cur_x);

	while(true) {
		int c;
		input_class ic;
		do c = get_key_code(); while(c > 0xFF || (ic = CHAR_CLASS(c)) == IGNORE || ic == INVALID);

		switch(ic) {
			case ALPHA:
				return (char)localised_up_case[(unsigned char)c];

			case RETURN:
				return (char)localised_up_case[(unsigned char)default_value];

			default:
				break;
		}
	}
}
示例#2
0
文件: request.c 项目: dmt4/ne
int request_strings(req_list *rlp0, int n) {

	assert(rlp0->cur_entries > 0);

	int ne_lines0 = 0, ne_columns0 = 0;
	bool reordered = false;
	max_names_per_line = max_names_per_col = x = y = page = fuzz_len = 0;
	if ( ! request_strings_init(rlp0) ) return ERROR;

	const int dx = rl.max_entry_len + 1 + (rl.suffix ? 1 : 0);

	while(true) {
		if (ne_lines0 != ne_lines || ne_columns0 != ne_columns) {
			if (ne_lines0 && ne_columns0 ) n = PXY2N(page,x,y);
			if (!(max_names_per_line = ne_columns / dx)) max_names_per_line = 1;
			max_names_per_col = ne_lines - 1;
			names_per_page = max_names_per_line * max_names_per_col;
			ne_lines0 = ne_lines;
			ne_columns0 = ne_columns;
			page = N2P(n);
			x = N2X(n);
			y = N2Y(n);
			print_strings();
			print_message(NULL);
		}

		n = PXY2N(page,x,y);

		assert(fuzz_len >= 0);

		fuzz_len = min(fuzz_len, strlen(rl.entries[n]));

		move_cursor(y, x * dx + fuzz_len);

		int c;
		input_class ic;
		do c = get_key_code(); while((ic = CHAR_CLASS(c)) == IGNORE || ic == INVALID);

		switch(ic) {
			case ALPHA:
				if (n >= rl.cur_entries) n = rl.cur_entries - 1;

				c = localised_up_case[(unsigned char)c];

				fuzz_forward( c );

				break;

			case TAB:
				if (! rlp0->ignore_tab) {
					n = request_strings_cleanup(reordered);
					if (n >= rlp0->cur_entries) return ERROR;
					else return -n - 2;
				}
				break;

			case RETURN:
				n = request_strings_cleanup(reordered);
				if (n >= rlp0->cur_entries) return ERROR;
				else return n;

			case COMMAND:
				if (c < 0) c = -c - 1;
				const int a = parse_command_line(key_binding[c], NULL, NULL, false);
				if (a >= 0) {
					switch(a) {
					case BACKSPACE_A:
						fuzz_back();
						break;

					case MOVERIGHT_A:
						request_move_right();
						break;

					case MOVELEFT_A:
						request_move_left();
						break;

					case MOVESOL_A:
						request_move_to_sol();
						break;

					case MOVEEOL_A:
						request_move_to_eol();
						break;

					case TOGGLESEOL_A:
						if (x != 0) x = 0;
						else request_move_to_eol();
						break;

					case LINEUP_A:
						request_move_up();
						break;

					case LINEDOWN_A:
						request_move_down();
						break;

					case MOVEINCUP_A:
						request_move_inc_up();
						break;

					case MOVEINCDOWN_A:
						request_move_inc_down();
						break;

					case PAGEUP_A:
					case PREVPAGE_A:
						request_prev_page();
						break;

					case PAGEDOWN_A:
					case NEXTPAGE_A:
						request_next_page();
						break;

					case MOVESOF_A:
						request_move_to_sof();
						break;

					case MOVEEOF_A:
						request_move_to_eof();
						break;

					case TOGGLESEOF_A:
						request_toggle_seof();
						break;

					case NEXTWORD_A:
						request_move_next();
						break;

					case PREVWORD_A:
						request_move_previous();
						break;

					case NEXTDOC_A:
						reordered |= request_reorder(1);
						break;

					case PREVDOC_A:
						reordered |= request_reorder(-1);
						break;

					case INSERT_A:
					case DELETECHAR_A:
						prune = !prune;
						break;

					case CLOSEDOC_A:
					case ESCAPE_A:
					case QUIT_A:
					case SELECTDOC_A:
						request_strings_cleanup(reordered);
						return -1;
					}
				}
				break;

			default:
				break;
		}
	}
}
示例#3
0
文件: input.c 项目: dmt4/ne
char *request(const char *prompt, const char * const default_string, const bool alpha_allowed, const int completion_type, const bool prefer_utf8) {

	set_attr(0);

	input_buffer[pos = len = offset = 0] = 0;
	encoding = ENC_ASCII;
	x = start_x = print_prompt(prompt);

	init_history();

	if (default_string) {
		strncpy(input_buffer, default_string, MAX_INPUT_LINE_LEN);
		len = strlen(input_buffer);
		encoding = detect_encoding(input_buffer, len);
		input_refresh();
	}

	bool first_char_typed = true, last_char_completion = false, selection = false;

	while(true) {

		assert(input_buffer[len] == 0);

		move_cursor(ne_lines - 1, x);

		int c;
		input_class ic;
		do c = get_key_code(); while((ic = CHAR_CLASS(c)) == IGNORE);

		/* ISO 10646 characters *above 256* can be added only to UTF-8 lines, or ASCII lines (making them, of course, UTF-8). */
		if (ic == ALPHA && c > 0xFF && encoding != ENC_ASCII && encoding != ENC_UTF8) ic = INVALID;

		if (ic != TAB) last_char_completion = false;
		if (ic == TAB && !completion_type) ic = ALPHA;

		switch(ic) {

		case INVALID:
			alert();
			break;

		case ALPHA:

			if (first_char_typed) {
				input_buffer[len = 0] = 0;
				clear_to_eol();
			}

			if (encoding == ENC_ASCII && c > 0x7F) encoding = prefer_utf8 || c > 0xFF ? ENC_UTF8 : ENC_8_BIT;
			int c_len = encoding == ENC_UTF8 ? utf8seqlen(c) : 1;
			int c_width = output_width(c);
			assert(c_len > 0);

			if (len <= MAX_INPUT_LINE_LEN - c_len && (alpha_allowed || (c < 0x100 && isxdigit(c)) || c=='X' || c=='x')) {

				memmove(&input_buffer[pos + c_len], &input_buffer[pos], len - pos + 1);

				if (c_len == 1) input_buffer[pos] = c;
				else utf8str(c, &input_buffer[pos]);

				len += c_len;

				move_cursor(ne_lines - 1, x);

				if (x < ne_columns - c_width) {
					if (pos == len - c_len) output_char(c, 0, encoding);
					else if (char_ins_del_ok) insert_char(c, 0, encoding);
					else input_refresh();
				}

				input_move_right(true);
			}
			break;

		case RETURN:
			selection = true;
			break;

		case TAB:
			if (completion_type == COMPLETE_FILE || completion_type == COMPLETE_SYNTAX) {
				bool quoted = false;
				char *prefix, *completion, *p;
				if (len && input_buffer[len - 1] == '"') {
					input_buffer[len - 1] = 0;
					if (prefix = strrchr(input_buffer, '"')) {
						quoted = true;
						prefix++;
					}
					else input_buffer[len - 1] = '"';
				}

				if (!quoted) {
					prefix = strrchr(input_buffer, ' ');
					if (prefix) prefix++;
					else prefix = input_buffer;
				}

				if (last_char_completion || completion_type == COMPLETE_SYNTAX) {
					if (completion_type == COMPLETE_FILE )
						completion = p = request_files(prefix, true);
					else
						completion = p = request_syntax(prefix, true);
					reset_window();
					if (completion) {
						if (*completion) selection = true;
						else completion++;
					}
				}
				else {
					if (completion_type == COMPLETE_FILE )
						completion = p = complete_filename(prefix);
					else
						completion = p = request_syntax(prefix, true);
					last_char_completion = true;
					if (!completion) alert();
				}

				if (completion && (prefix - input_buffer) + strlen(completion) + 1 < MAX_INPUT_LINE_LEN) {
					const encoding_type completion_encoding = detect_encoding(completion, strlen(completion));
					if (encoding == ENC_ASCII || completion_encoding == ENC_ASCII || encoding == completion_encoding) {
						strcpy(prefix, completion);
						if (quoted) strcat(prefix, "\"");
						len = strlen(input_buffer);
						pos = offset = 0;
						x = start_x;
						if (encoding == ENC_ASCII) encoding = completion_encoding;
						input_move_to_eol();
						if (quoted) input_move_left(false);
						input_refresh();
					}
					else alert();
				}
				else if (quoted) strcat(prefix, "\"");

				free(p);
			}
			break;

		case COMMAND:
			if (c < 0) c = -c - 1;
			const int a = parse_command_line(key_binding[c], NULL, NULL, false);
			if (a >= 0) {
				switch(a) {

				case LINEUP_A:
				case LINEDOWN_A:
				case MOVESOF_A:
				case MOVEEOF_A:
				case PAGEUP_A:
				case PAGEDOWN_A:
				case NEXTPAGE_A:
				case PREVPAGE_A:
					if (history_buff) {
						switch(a) {
						case LINEUP_A: line_up(history_buff); break;
						case LINEDOWN_A: line_down(history_buff); break;
						case MOVESOF_A: move_to_sof(history_buff); break;
						case MOVEEOF_A: move_to_bof(history_buff); break;
						case PAGEUP_A:
						case PREVPAGE_A: prev_page(history_buff); break;
						case PAGEDOWN_A:
						case NEXTPAGE_A: next_page(history_buff); break;
						}

						/* In some cases, the default displayed on the command line will be the same as the 
							first history item. In that case we skip it. */

						if (first_char_typed == true 
							 && a == LINEUP_A 
							 && history_buff->cur_line_desc->line 
							 && !strncmp(history_buff->cur_line_desc->line, input_buffer, history_buff->cur_line_desc->line_len))
							line_up(history_buff);

						if (history_buff->cur_line_desc->line) {
							strncpy(input_buffer,
									  history_buff->cur_line_desc->line,
									  min(history_buff->cur_line_desc->line_len,MAX_INPUT_LINE_LEN));
							input_buffer[min(history_buff->cur_line_desc->line_len,MAX_INPUT_LINE_LEN)] = 0;
							len	 = strlen(input_buffer);
							encoding = detect_encoding(input_buffer, len);
						}
						else {
							input_buffer[len = 0] = 0;
							encoding = ENC_ASCII;
						}

						x		= start_x;
						pos	= 0;
						offset = 0;
						input_refresh();
					}
					break;

				case MOVELEFT_A:
					input_move_left(true);
					break;

				case MOVERIGHT_A:
					input_move_right(true);
					break;

				case BACKSPACE_A:
					if (pos == 0) break;
					input_move_left(true);

				case DELETECHAR_A:
					if (len > 0 && pos < len) {
						int c_len = encoding == ENC_UTF8 ? utf8len(input_buffer[pos]) : 1;
						int c_width = get_char_width(&input_buffer[pos], encoding);
						memmove(&input_buffer[pos], &input_buffer[pos + c_len], len - pos - c_len + 1);
						len -= c_len;
						if (input_buffer_is_ascii()) encoding = ENC_ASCII;

						if (char_ins_del_ok) {
							int i, j;

							move_cursor(ne_lines - 1, x);
							delete_chars(c_width);

							for(i = x, j = pos; j < len && i + get_char_width(&input_buffer[j], encoding) < ne_columns - c_width; i += get_char_width(&input_buffer[j], encoding), j = next_pos(input_buffer, j, encoding));

							if (j < len) {
								move_cursor(ne_lines - 1, i);
								while(j < len && i + get_char_width(&input_buffer[j], encoding) < ne_columns) {
									output_char(get_char(&input_buffer[j], encoding), 0, encoding);
									i += get_char_width(&input_buffer[j], encoding);
									j = next_pos(input_buffer, j, encoding);
								}
							}
						}
						else input_refresh();
					}
					break;

				case DELETELINE_A:
					move_cursor(ne_lines - 1, start_x);
					clear_to_eol();
					input_buffer[len = pos = offset = 0] = 0;
					encoding = ENC_ASCII;
					x = start_x;
					break;

				case DELETEEOL_A:
					input_buffer[len = pos] = 0;
					clear_to_eol();
					if (input_buffer_is_ascii()) encoding = ENC_ASCII;
					break;

				case MOVEINCUP_A:
					if (x != start_x) {
						pos = offset;
						x = start_x;
						break;
					}

				case MOVESOL_A:
					input_move_to_sol();
					break;

				case MOVEINCDOWN_A: {
					int i, j;
					for(i = x, j = pos; j < len && i + get_char_width(&input_buffer[j], encoding) < ne_columns; i += get_char_width(&input_buffer[j], encoding), j = next_pos(input_buffer, j, encoding));
					if (j != pos && j < len) {
						pos = j;
						x = i;
						break;
					}
				}

				case MOVEEOL_A:
					input_move_to_eol();
					break;

				case TOGGLESEOL_A:
				case TOGGLESEOF_A:
					if (pos != 0) input_move_to_sol();
					else input_move_to_eol();
					break;

				case PREVWORD_A:
					input_prev_word();
					break;

				case NEXTWORD_A:
					input_next_word();
					break;

				case REFRESH_A:
					input_refresh();
					break;

				case PASTE_A:
					input_paste();
					break;

				case AUTOCOMPLETE_A:
					input_autocomplete();
					break;

				case ESCAPE_A:
					return NULL;

				default:
					break;
				}
			}
			break;

		default:
			break;
		}

		if (selection) {
			const line_desc * const last = (line_desc *)history_buff->line_desc_list.tail_pred->prev;
			assert(input_buffer[len] == 0);
			if (history_buff->num_lines == 0 || len != last->line_len || strncmp(input_buffer, last->line, last->line_len)) add_to_history(input_buffer);
			return input_buffer;
		}

		first_char_typed = false;
	}
}
示例#4
0
文件: ne.c 项目: vigna/ne
int main(int argc, char **argv) {

	char *locale = setlocale(LC_ALL, "");
	for(int i = 0; i < 256; i++) localised_up_case[i] = toupper(i);

	if (locale) {
		struct re_pattern_buffer re_pb;
		struct re_registers re_reg;
		memset(&re_pb, 0, sizeof re_pb);
		memset(&re_reg, 0, sizeof re_reg);

		re_pb.translate = localised_up_case;
		re_compile_pattern(LOCALE_REGEX, strlen(LOCALE_REGEX), &re_pb);
		if (re_search(&re_pb, locale, strlen(locale), 0, strlen(locale), &re_reg) >= 0) {
			if (re_reg.start[1] >= 0) io_utf8 = true;
		}
		free(re_reg.start);
		free(re_reg.end);
	}

	bool no_config = false;
	char *macro_name = NULL, *key_bindings_name = NULL, *menu_conf_name = NULL, *startup_prefs_name = DEF_PREFS_NAME;

	char * const skiplist = calloc(argc, 1);
	if (!skiplist) exit(1);  /* We need this many flags. */

	for(int i = 1; i < argc; i++) {

		if (argv[i][0] == '-' && (!strcmp(&argv[i][1], "h") || !strcmp(&argv[i][1], "-help" "\0" VERSION_STRING))) {
			puts(ARG_HELP);
			exit(0);
		}

		/* Special arguments start with two dashes. If we find one, we
		   cancel its entry in argv[], so that it will be skipped when opening
		   the specified files. The only exception is +N for skipping to the
		   N-th line. */

		if (argv[i][0] == '-' && argv[i][1] == '-') {
			if (!argv[i][2]) i++; /* You can use "--" to force the next token to be a filename */
			else if (!strcmp(&argv[i][2], "noconfig") || !strcmp(&argv[i][2], "no-config")) {
				no_config = true;
				skiplist[i] = 1; /* argv[i] = NULL; */
			}
			else if (!strcmp(&argv[i][2], "noansi") || !strcmp(&argv[i][2], "no-ansi")) {
				ansi = false;
				skiplist[i] = 1; /* argv[i] = NULL; */
			}
			else if (!strcmp(&argv[i][2], "no-syntax")) {
				do_syntax = false;
				skiplist[i] = 1; /* argv[i] = NULL; */
			}
			else if (!strcmp(&argv[i][2], "prefs")) {
				if (i < argc-1) {
					startup_prefs_name = argv[i+1];
					skiplist[i] = skiplist[i+1] = 1; /* argv[i] = argv[i+1] = NULL; */
				}
			}
			else if (!strcmp(&argv[i][2], "ansi")) {
				ansi = true;
				skiplist[i] = 1; /* argv[i] = NULL; */
			}
			else if (!strcmp(&argv[i][2], "utf8")) {
				io_utf8 = true;
				skiplist[i] = 1; /* argv[i] = NULL; */
			}
			else if (!strcmp(&argv[i][2], "no-utf8")) {
				io_utf8 = false;
				skiplist[i] = 1; /* argv[i] = NULL; */
			}
			else if (!strcmp(&argv[i][2], "macro")) {
				if (i < argc-1) {
					macro_name = argv[i+1];
					skiplist[i] = skiplist[i+1] = 1; /* argv[i] = argv[i+1] = NULL; */
				}
			}
			else if (!strcmp(&argv[i][2], "keys")) {
				if (i < argc-1) {
					key_bindings_name = argv[i+1];
					skiplist[i] = skiplist[i+1] = 1; /* argv[i] = argv[i+1] = NULL; */
				}
			}
			else if (!strcmp(&argv[i][2], "menus")) {
				if (i < argc-1) {
					menu_conf_name = argv[i+1];
					skiplist[i] = skiplist[i+1] = 1; /* argv[i] = argv[i+1] = NULL; */
				}
			}
		}
	}

#ifdef NE_TEST
	/* Dump the builtin menu and key bindings to compare to
	   doc/default.menus and doc/default.keys. */
	int dump_config(void);
	dump_config();
#endif

	/* Unless --noconfig was specified, we try to configure the
	   menus and the keyboard. Note that these functions can exit() on error. */

	if (!no_config) {
		get_menu_configuration(menu_conf_name);
		get_key_bindings(key_bindings_name);
	}

	/* If we cannot even create a buffer, better go... */

	if (!new_buffer()) exit(1);

	/* Now that key_bindings are loaded, try to fix up the message for NOT_FOUND. */
	{
		char *repeat_last_keystroke, *new_not_found;
		if ((repeat_last_keystroke = find_key_strokes(REPEATLAST_A, 1))) {
			if ((new_not_found = malloc(39+strlen(repeat_last_keystroke)))) {
				strcat(strcat(strcpy(new_not_found, "Not Found. (RepeatLast with "), repeat_last_keystroke), " to wrap.)");
				error_msg[NOT_FOUND] = new_not_found;
			}
			free(repeat_last_keystroke);
		}
	}

	clear_buffer(cur_buffer);

	/* The INT_MAX clip always exists, and it is used by the Through command. */

	clip_desc * const cd = alloc_clip_desc(INT_MAX, 0);
	if (!cd) exit(1);

	add_head(&clips, &cd->cd_node);

	/* General terminfo and cursor motion initalization. From here onwards,
	   we cannot exit() lightly. */

	term_init();

	/* We will be always using the last line for the status bar. */

	set_terminal_window(ne_lines-1);

	/* We read in all the key capabilities. */

	read_key_capabilities();

	/* Some initializations of other modules... */

	re_set_syntax(
		RE_CONTEXT_INDEP_ANCHORS |
		RE_CONTEXT_INDEP_OPS     | RE_HAT_LISTS_NOT_NEWLINE |
		RE_NEWLINE_ALT           | RE_NO_BK_PARENS          |
		RE_NO_BK_VBAR            | RE_NO_EMPTY_RANGES
	);

	bool first_file = true;

	load_virtual_extensions();
	load_auto_prefs(cur_buffer, startup_prefs_name);

	buffer *stdin_buffer = NULL;
	if (!isatty(fileno(stdin))) {
		first_file = false;
		const int error = load_fd_in_buffer(cur_buffer, fileno(stdin));
		print_error(error);
		stdin_buffer = cur_buffer;

		if (!(freopen("/dev/tty", "r", stdin))) {
			fprintf(stderr, "Cannot reopen input tty\n");
			abort();
		}
	}

	/* The terminal is prepared for interactive I/O. */

	set_interactive_mode();

	clear_entire_screen();

	/* This function sets fatal_code() as signal interrupt handler
	   for all the dangerous signals (SIGILL, SIGSEGV etc.). */

	set_fatal_code();

	if (argc > 1) {

		/* The first file opened does not need a NEWDOC_A action. Note that
		   file loading can be interrupted (wildcarding can sometimes produce
		   unwanted results). */

		uint64_t first_line = 0, first_col = 0;
		bool binary = false, skip_plus = false, read_only = false;
		stop = false;

		for(int i = 1; i < argc && !stop; i++) {
			if (argv[i] && !skiplist[i]) {
				if (argv[i][0] == '+' && !skip_plus) {       /* looking for "+", or "+N" or "+N,M"  */
					uint64_t tmp_l = INT64_MAX, tmp_c = 0;
					char *d;
					errno = 0;
					if (argv[i][1]) {
						if (isdigit((unsigned char)argv[i][1])) {
							tmp_l = strtoll(argv[i]+1, &d, 10);
							if (!errno) {
								if (*d) {  /* separator between N and M */
									if (isdigit((unsigned char)d[1])) {
										tmp_c = strtoll(d+1, &d, 10);
										if (*d) errno = ERANGE;
									}
									else errno = ERANGE;
								}
							}
						}
						else errno = ERANGE;
					}
					if (!errno) {
						first_line = tmp_l;
						first_col  = tmp_c;
					}
					else {
						skip_plus = true;
						i--;
					}
				}
				else if (!strcmp(argv[i], "--binary")) {
					binary = true;
				}
				else if (!strcmp(argv[i], "--read-only") || !strcmp(argv[i], "--readonly") || !strcmp(argv[i], "--ro")) {
					read_only = true;
				}
				else {
					if (!strcmp(argv[i], "-") && stdin_buffer) {
						stdin_buffer->opt.binary = binary;
						if (read_only) stdin_buffer->opt.read_only = read_only;
						if (first_line) do_action(stdin_buffer, GOTOLINE_A, first_line, NULL);
						if (first_col)  do_action(stdin_buffer, GOTOCOLUMN_A, first_col, NULL);
						stdin_buffer = NULL;
					}
					else {
						if (!strcmp(argv[i], "--")) i++;
						if (!first_file) do_action(cur_buffer, NEWDOC_A, -1, NULL);
						else first_file = false;
						cur_buffer->opt.binary = binary;
						if (i < argc) do_action(cur_buffer, OPEN_A, 0, str_dup(argv[i]));
						if (first_line) do_action(cur_buffer, GOTOLINE_A, first_line, NULL);
						if (first_col)  do_action(cur_buffer, GOTOCOLUMN_A, first_col, NULL);
						if (read_only) cur_buffer->opt.read_only = read_only;
					}
					first_line =
					first_col  = 0;
					skip_plus  =
					binary    =
					read_only  = false;
				}
			}
		}

		free(skiplist);

		/* This call makes current the first specified file. It is called
		   only if more than one buffer exist. */

		if (get_nth_buffer(1)) do_action(cur_buffer, NEXTDOC_A, -1, NULL);

	}

	/* We delay updates. In this way the macro activity does not cause display activity. */

	reset_window();
	delay_update();

	if (macro_name) do_action(cur_buffer, MACRO_A, -1, str_dup(macro_name));
	else if (first_file) {
		/* If there is no file to load, and no macro to execute, we display
		   the "NO WARRANTY" message. */
		about();
	}

	while(true) {
		/* If we are displaying the "NO WARRANTY" info, we should not refresh the
		   window now */
		if (!displaying_info) {
			refresh_window(cur_buffer);
			if (cur_buffer->opt.automatch) automatch_bracket(cur_buffer, true);
		}

		draw_status_bar();
		move_cursor(cur_buffer->cur_y, cur_buffer->cur_x);

		int c = get_key_code();

		if (window_changed_size) {
			print_error(do_action(cur_buffer, REFRESH_A, 0, NULL));
			window_changed_size = displaying_info = false;
			cur_buffer->automatch.shown = 0;
		}

		if (c == INVALID_CHAR) continue; /* Window resizing. */
		const input_class ic = CHAR_CLASS(c);

		if (displaying_info) {
			refresh_window(cur_buffer);
			displaying_info = false;
		}

		if (cur_buffer->automatch.shown) automatch_bracket(cur_buffer, false);

		switch(ic) {
		case INVALID:
			print_error(INVALID_CHARACTER);
			break;

		case ALPHA:
			print_error(do_action(cur_buffer, INSERTCHAR_A, c, NULL));
			break;

		case TAB:
			print_error(do_action(cur_buffer, INSERTTAB_A, 1, NULL));
			break;

		case RETURN:
			print_error(do_action(cur_buffer, INSERTLINE_A, -1, NULL));
			break;

		case COMMAND:
			if (c < 0) c = -c - 1;
			if (key_binding[c]) print_error(execute_command_line(cur_buffer, key_binding[c]));
			break;

		default:
			break;
		}
	}
}
NS_IMETHODIMP 
nsUnicodeToJamoTTF::Convert(const PRUnichar * aSrc, 
                            PRInt32 * aSrcLength, char * aDest, 
                            PRInt32 * aDestLength)
{
  nsresult rv = NS_OK;
  mByteOff = 0;

  // This should never happen, but it happens under MS Windows, somehow...
  if (mJamoCount > mJamosMaxLength) 
  {
    NS_WARNING("mJamoCount > mJamoMaxLength on entering Convert()");
    Reset();
  }

  for (PRInt32 charOff = 0; charOff < *aSrcLength; charOff++)
  {
    PRUnichar ch = aSrc[charOff];

    // Syllable boundary check. Ref. : Unicode 3.2 section 3.11 
    if (mJamoCount != 0 &&
        gIsBoundary[CHAR_CLASS(mJamos[mJamoCount - 1])][CHAR_CLASS(ch)])
    {
      composeHangul(aDest);
      mJamoCount = 0;
    }
    // Ignore tone marks other than the first in a sequence of tone marks.
    else if (mJamoCount != 0 && IS_TONE(mJamos[mJamoCount - 1]) && IS_TONE(ch))
    {
      --mJamoCount; 
      composeHangul(aDest);
      mJamoCount = 0;

      // skip over tone marks from the second on in a series.
      while (IS_TONE(ch) && ++charOff < *aSrcLength)
        ch = aSrc[charOff]; 

      if (!IS_TONE(ch)) 
      {
        mJamos[mJamoCount++] = ch; 
        continue;
      }
      else
        break;
    }

    if (mJamoCount == mJamosMaxLength)
    {
      mJamosMaxLength++;
      if (mJamos == mJamosStatic)
      {
        mJamos = (PRUnichar *) PR_Malloc(sizeof(PRUnichar) * mJamosMaxLength);
        if (!mJamos)
          return  NS_ERROR_OUT_OF_MEMORY;
        memcpy(mJamos, mJamosStatic, sizeof(PRUnichar) * mJamoCount);
      }
      else
      {
        mJamos = (PRUnichar *) PR_Realloc(mJamos, 
                               sizeof(PRUnichar) * mJamosMaxLength);
        if (!mJamos)
          return  NS_ERROR_OUT_OF_MEMORY;
      }
    }

    mJamos[mJamoCount++] = ch;
  }
    
  if (mJamoCount != 0)
    composeHangul(aDest);
  mJamoCount = 0;
  *aDestLength = mByteOff;

  return rv;
}
示例#6
0
文件: request.c 项目: somenxavi/nel
/* If mark_char is not '\0', we bold names ending with it. */
int request_strings(const char * const * const _entries, const int _num_entries, int n, const int _max_name_len, int _mark_char) {

	action a;
	input_class ic;
	int c, i, ne_lines0, ne_columns0;

	assert(_num_entries > 0);

	ne_lines0 = ne_columns0 = max_names_per_line = max_names_per_col = x = y = page = 0;
	entries = _entries;
	num_entries = _num_entries;
	max_name_len = _max_name_len + 1;
	mark_char = _mark_char;

	while(TRUE) {
		if (ne_lines0 != ne_lines || ne_columns0 != ne_columns) {
			if (ne_lines0 && ne_columns0 ) n = PXY2N(page,x,y);
			if (!(max_names_per_line = ne_columns / (max_name_len))) max_names_per_line = 1;
			max_names_per_col = ne_lines - 1;
			names_per_page = max_names_per_line * max_names_per_col;
			ne_lines0 = ne_lines;
			ne_columns0 = ne_columns;
			page = N2P(n);
			x = N2X(n);
			y = N2Y(n);
			print_strings();
			print_message(NULL);
		}

		move_cursor(y, x * max_name_len);

		do c = get_key_code(); while((ic = CHAR_CLASS(c)) == IGNORE || ic == INVALID);

		n = PXY2N(page,x,y);

		switch(ic) {
			case ALPHA:
				if (n >= num_entries) n = num_entries - 1;

				c = localised_up_case[(unsigned char)c];

				for(i = 1; i < num_entries; i++)
					if (localised_up_case[(unsigned char)entries[(n + i) % num_entries][0]] == c) {
						normalize((n + i) % num_entries);
						break;
					}
				break;

			case TAB:
				if (n >= num_entries) return ERROR;
				else return -n - 2;

			case RETURN:
				if (n >= num_entries) return ERROR;
				else return n;

			case COMMAND:
				if (c < 0) c = -c - 1;
				if ((a = parse_command_line(key_binding[c], NULL, NULL, FALSE))>=0) {
					switch(a) {
					case MOVERIGHT_A:
						request_move_right();
						break;

					case MOVELEFT_A:
						request_move_left();
						break;

					case MOVESOL_A:
						request_move_to_sol();
						break;

					case MOVEEOL_A:
						request_move_to_eol();
						break;

					case TOGGLESEOL_A:
						if (x != 0) x = 0;
						else request_move_to_eol();
						break;

					case LINEUP_A:
						request_move_up();
						break;

					case LINEDOWN_A:
						request_move_down();
						break;

					case MOVEINCUP_A:
						request_move_inc_up();
						break;

					case MOVEINCDOWN_A:
						request_move_inc_down();
						break;

					case PAGEUP_A:
					case PREVPAGE_A:
						request_prev_page();
						break;

					case PAGEDOWN_A:
					case NEXTPAGE_A:
						request_next_page();
						break;

					case MOVESOF_A:
						request_move_to_sof();
						break;

					case MOVEEOF_A:
						request_move_to_eof();
						break;

					case TOGGLESEOF_A:
						request_toggle_seof();
						break;

					case ESCAPE_A:
						return -1;
					}
				}
				break;

			default:
				break;
		}
	}
}