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102 lines
3.1 KiB
102 lines
3.1 KiB
#include "morse.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#ifndef MAX_LINE_SIZE
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#define MAX_LINE_SIZE 4096
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#endif
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const long DEFAULT_DASH_PAUSE = 300000;
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const long DEFAULT_DOT_PAUSE = 150000;
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int main(int argc, char *argv[]){
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char* input_string = malloc(sizeof(char) * MAX_LINE_SIZE);
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char* output_string = malloc(sizeof(char) * MAX_LINE_SIZE);
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// output_char tracks the current printing character when slow printing is enabled
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char output_char;
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long dash_delay = DEFAULT_DASH_PAUSE;
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long dot_delay = DEFAULT_DOT_PAUSE;
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bool is_slow = false;
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bool convert_from_morse = false;
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size_t buflen = 0;
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for (int argi = 0; argi < argc; argi++){
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char* arg = argv[argi];
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if (strcmp(arg, "--slow") == 0 || strcmp(arg, "-s") == 0){
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is_slow = true;
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} else if (strcmp(arg, "--reverse") == 0 || strcmp(arg, "-x") == 0){
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convert_from_morse = true;
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} else if (strcmp(arg, "--dash-delay") == 0 || strcmp(arg, "-hd") == 0){
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if (argc > argi+1){
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dash_delay = strtol(argv[argi+1], NULL, 10);
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} else {
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printf("No --dash-delay argument provided.\nIgnoring!\n");
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}
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} else if (strcmp(arg, "--dot-delay") == 0 || strcmp(arg, "-td") == 0){
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if (argc > argi+1){
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dot_delay = strtol(argv[argi+1], NULL, 10);
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} else {
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printf("Not --dot-delay argument provited.\nIgnoring!\n");
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}
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}
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}
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if (convert_from_morse){
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// for every line in the input, until the end of file
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while ((getline(&input_string, &buflen, stdin))!=EOF){
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int stringLen = strlen(input_string);
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// This effectively strips the newline off the string
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if (input_string[stringLen-1] == '\n'){
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input_string[stringLen-1] = '\0';
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}
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morse_to_string(input_string, output_string);
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printf("%s\n", output_string);
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// force-flush the input buffer just in case the user is in interactive mode
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fflush(stdin);
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}
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} else {
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// for each line of input
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while ((getline(&input_string, &buflen, stdin))!=EOF){
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int stringLen = strlen(input_string);
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// This effectively strips the newline off the string
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if (input_string[stringLen-1] == '\n'){
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input_string[stringLen-1] = '\0';
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}
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string_to_morse(input_string, output_string);
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if (is_slow){
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for (int i = 0; i < strlen(output_string); i++){
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output_char = output_string[i];
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if (output_char == '-'){
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usleep(dash_delay);
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printf("%c", output_char);
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} else if (output_char == '.'){
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usleep(dot_delay);
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printf("%c", output_char);
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} else {
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printf("%c", output_char);
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}
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fflush(stdout);
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}
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printf("\n");
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} else {
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printf("%s\n", output_string);
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// force flush the buffer incase user is in interactive mode
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fflush(stdin);
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}
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}
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}
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free(output_string);
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free(input_string);
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return 0;
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}
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