noirchat/con/console.c

#include "console.h"

int initInterface() {
//	setAttribute(DIM);
	printf("%s", START_MESSAGE);
	clearAttributes();

	showInterfaces();

	showHelp(NULL);
	setAttribute(MAGENTA);
	setAttribute(UNDERSCORE);
	printf("\n--ready--");
	clearAttributes();

	interface_fd = STDIN;
	FD_SET(interface_fd, &master_fds);
	max_fd = interface_fd;

	showPrompt();
	return 0;
}

int closeInterface() {

	return 0;
}

int handleInterface() {
	// TODO: change to while loop :S
	if (read(interface_fd, data_buffer, 2048) < 0) {
		perror("couldn't read() STDIN");
	} else {
		if (data_buffer[0] == '/') { // denotes command
			char **command = getCommand(data_buffer);
			int command_hash = generateHash(command[1], COMMAND_HASH_SIZE);
			if (!commands_table[command_hash]) {
				clearLine();
				setAttribute(YELLOW);
				printf("%s '%s'", UNKNOWN_MESSAGE, command[1]);
				clearAttributes();
			} else {
				if ((intptr_t)command[0] == 1) { // if only /command
					(*commands_table[command_hash])(NULL);
				} else if ((intptr_t)command[0] == 2) { // if 1 args
					(*commands_table[command_hash])(command[2]);
				} else if ((intptr_t)command[0] == 3) { // if 2 args
					(*commands_table[command_hash])(command[2], command[3]);
				}
			}
			//printf("\nhash of command %s: %d\n", command[1], generateHash(command[1], 64));
			freeCommand(command);
			showPrompt();
		} else if (data_buffer[0] == '\n') { // return
			fputs("\033[A\033[2K",stdout);
			rewind(stdout);
			ftruncate(1,0);
			//fputs("\033[A",stdout);
			fputs("\033[32m",stdout);
			printf("> ");
			fputs("\033[0m",stdout);
			fflush(stdout);
		} else {
			if (is_listening) {
				int i = 0;
				int done = 0;
				while (!done) {
					if (data_buffer[i++] == '\n')
						done = 1;
				}
				char message[i-1];
				strncpy(message, data_buffer, i-1); // cut the \n
				message[i-1] = '\0';

				clearLine();
				sendOpen(message);
				showPrompt();
//				sendMulticast(send_socket, &group_socket, data_buffer, strlen(data_buffer));
/*				fputs("\033[A\033[2K",stdout);
				rewind(stdout);
				ftruncate(1,0);
				fputs("\033[32m",stdout);
				printf("> ");
				fputs("\033[0m",stdout);
				fflush(stdout);*/
			} else {
				setAttribute(RED);
				printf("not listening");
				clearAttributes();
				showPrompt();
			}
		}
	}
	return 0;
}

int handleInput(const char *data_buffer) {
	fputs("\033[1A", stdout);
	printf("\n");
	fputs("\033[2K",stdout); // move up and clear
	rewind(stdout);
	ftruncate(1,0);
	receiveOpen(data_buffer, DATAGRAM_SIZE);
//	fputs("\033[1B",stdout); // move cursor back down
//	fputs("\033[u", stdout);
	fflush(stdout);
	showPrompt();
	/*fputs("\033[2K",stdout);
	rewind(stdout);
	ftruncate(1,0);
	printf("data_in: %s", data_buffer);
	showPrompt();*/
	return 0;
}

void showHelp(const char *value) {
	setAttribute(MAGENTA);
	setAttribute(UNDERSCORE);
	printf("--help--\n");
	clearAttributes();
	if (value) {
		int hash = generateHash(value, COMMAND_HASH_SIZE);
		if (help[hash]) {
			setAttribute(CYAN);
			printf("%s", help[hash]);
			if (syntax[hash]) {
				printf("\nusage: %s", syntax[hash]);
			}
			clearAttributes();
		}
	} else {
		setAttribute(CYAN);
		printf("%s", HELP_MESSAGE);
		clearAttributes();
	}
}

void showVariables() {
	setAttribute(MAGENTA);
	setAttribute(UNDERSCORE);
	printf("--variables--\n");
	clearAttributes();
	int i;
	for (i = 0;i < CONFIG_HASH_SIZE;i++) {
		if (config[i]) {
			setAttribute(GREEN);
			printf("%s(%d): ", config_name[i], i);
			clearAttributes();
			printf("%s\n", config[i]);
		}
	}
	clearAttributes();
}

void showInterfaces() {
	int i;
	fputs("\033[4m\033[35m", stdout);
	printf("--%d interfaces detected--\n", interfaces);
	fputs("\033[0m",stdout);
	fputs("\033[32m", stdout);
	for (i = 0; i < interfaces; i++) {
		if (ip_list[i]) {
			printf("%s: %s\n", dev_list[i], ip_list[i]);
		}
	}
	fputs("\033[0m",stdout);
	clearAttributes();
}

void setAttribute(const int attribute) {
	switch(attribute) {
		case RED:
			fputs("\033[31m",stdout);
			break;
		case YELLOW:
			fputs("\033[33m",stdout);
			break;
		case GREEN:
			fputs("\033[32m", stdout);
			break;
		case CYAN:
			fputs("\033[36m", stdout);
			break;
		case MAGENTA:
			fputs("\033[35m", stdout);
			break;
		case BLACK:
			fputs("\033[30m", stdout);
			break;
		case UNDERSCORE:
			fputs("\033[4m", stdout);
			break;
		case DIM:
			fputs("\033[2m", stdout);
			break;
		case BG_WHITE:
			fputs("\033[47m", stdout);
			break;
	}
}

void clearAttributes() {
	fputs("\033[0m", stdout);
}

void showPrompt() {
	fputs("\033[32m",stdout);
	printf("\n> ");
	fputs("\033[0m",stdout);
	fflush(stdout);
}

void clearLine() {
	fputs("\033[A\033[2K",stdout);
	rewind(stdout);
	ftruncate(1,0);
}