Remove colors and und use default color, and use better codestyle

This commit is contained in:
Night Kaly 2024-11-12 22:54:49 +00:00
parent 05f2a0e6e3
commit 1f0d5f5ea1
Signed by: night0721
SSH key fingerprint: SHA256:B/hgVwUoBpx5vdNsXl9w8XwZljA9766uk6T4ubZp5HM
8 changed files with 521 additions and 523 deletions

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@ -1,5 +1,7 @@
#ifndef RUSH_H_ #ifndef S_H_
#define RUSH_H_ #define S_H_
#define VERSION "1.0.0"
#include <stdio.h> #include <stdio.h>

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@ -1,10 +0,0 @@
#ifndef COLOR_H_
#define COLOR_H_
const char *lavender = "174;174;255";
const char *pink = "255;210;239";
const char *blue = "137;180;250";
char *color_text(char str[], const char *color);
#endif

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@ -1,7 +1,6 @@
#ifndef COMMANDS_H_ #ifndef COMMANDS_H_
#define COMMANDS_H_ #define COMMANDS_H_
char *replace_absolute_home(char *str);
int num_builtins(void); int num_builtins(void);
bool is_builtin(char *command); bool is_builtin(char *command);
int execute(char **args, int fd, int options); int execute(char **args, int fd, int options);

113
src/90s.c
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@ -9,12 +9,12 @@
#include <signal.h> #include <signal.h>
#include <ctype.h> #include <ctype.h>
#include "color.h"
#include "constants.h" #include "constants.h"
#include "history.h" #include "history.h"
#include "commands.h" #include "commands.h"
void *memalloc(size_t size) { void *memalloc(size_t size)
{
void *ptr = malloc(size); void *ptr = malloc(size);
if (!ptr) { if (!ptr) {
fputs("90s: Error allocating memory\n", stderr); fputs("90s: Error allocating memory\n", stderr);
@ -23,7 +23,8 @@ void *memalloc(size_t size) {
return ptr; return ptr;
} }
void change_terminal_attribute(int option) { void change_terminal_attribute(int option)
{
static struct termios oldt, newt; static struct termios oldt, newt;
tcgetattr(STDIN_FILENO, &oldt); tcgetattr(STDIN_FILENO, &oldt);
if (option) { if (option) {
@ -35,14 +36,15 @@ void change_terminal_attribute(int option) {
} }
} }
char **setup_path_variable(void) { char **setup_path_variable(void)
{
char *envpath = getenv("PATH"); char *envpath = getenv("PATH");
if (envpath == NULL) { if (envpath == NULL) {
fprintf(stderr, "90s: PATH environment variable is missing\n"); fprintf(stderr, "90s: PATH environment variable is missing\n");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
char *path_cpy = memalloc(sizeof(char) * (strlen(envpath) + 1)); char *path_cpy = memalloc(strlen(envpath) + 1);
char *path = memalloc(sizeof(char) * (strlen(envpath) + 1)); char *path = memalloc(strlen(envpath) + 1);
strcpy(path_cpy, envpath); strcpy(path_cpy, envpath);
strcpy(path, envpath); strcpy(path, envpath);
int path_count = 0; int path_count = 0;
@ -66,7 +68,8 @@ char **setup_path_variable(void) {
return paths; return paths;
} }
bool find_command(char **paths, char *command) { bool find_command(char **paths, char *command)
{
if (strncmp(command, "", 1) == 0) { if (strncmp(command, "", 1) == 0) {
return false; return false;
} }
@ -87,19 +90,23 @@ bool find_command(char **paths, char *command) {
return false; return false;
} }
void shiftleft(int chars) { void shiftleft(int chars)
{
printf("\033[%dD", chars); printf("\033[%dD", chars);
} }
void shiftright(int chars) { void shiftright(int chars)
{
printf("\033[%dC", chars); printf("\033[%dC", chars);
} }
void clearline(void) { void clearline(void)
{
printf("\033[K"); // clear line to the right of cursor printf("\033[K"); // clear line to the right of cursor
} }
void highlight(char *buffer, char **paths) { void highlight(char *buffer, char **paths)
{
char *cmd_part = strchr(buffer, ' '); char *cmd_part = strchr(buffer, ' ');
char *command_without_arg = NULL; char *command_without_arg = NULL;
int cmd_len = 0; int cmd_len = 0;
@ -107,8 +114,8 @@ void highlight(char *buffer, char **paths) {
if (cmd_part != NULL) { if (cmd_part != NULL) {
cmd_len = cmd_part - buffer; cmd_len = cmd_part - buffer;
char *cmd = memalloc(sizeof(char) * (cmd_len + 1)); char *cmd = memalloc(cmd_len + 1);
command_without_arg = memalloc(sizeof(char) * (cmd_len + 1)); command_without_arg = memalloc(cmd_len + 1);
for (int i = 0; i < (cmd_part - buffer); i++) { for (int i = 0; i < (cmd_part - buffer); i++) {
cmd[i] = buffer[i]; cmd[i] = buffer[i];
} }
@ -124,28 +131,29 @@ void highlight(char *buffer, char **paths) {
if (valid) { if (valid) {
if (command_without_arg != NULL) { if (command_without_arg != NULL) {
buffer += cmd_len; buffer += cmd_len;
printf("\x1b[38;2;166;227;161m%s\x1b[0m\x1b[38;2;255;255;255m%s\x1b[0m", command_without_arg, buffer); // print green as valid command, but only color the command, not the arguments printf("\x1b[32m%s\x1b[37m%s\x1b[m", command_without_arg, buffer); // print green as valid command, but only color the command, not the arguments
buffer -= cmd_len; buffer -= cmd_len;
} else { } else {
printf("\x1b[38;2;166;227;161m%s\x1b[0m", buffer); // print green as valid command printf("\x1b[32m%s\x1b[m", buffer); // print green as valid command
} }
} else { } else {
if (command_without_arg != NULL) { if (command_without_arg != NULL) {
buffer += cmd_len; buffer += cmd_len;
printf("\x1b[38;2;243;139;168m%s\x1b[0m\x1b[38;2;255;255;255m%s\x1b[0m", command_without_arg, buffer); // print red as invalid command, but only color the command, not the arguments printf("\x1b[31m%s\x1b[37m%s\x1b[m", command_without_arg, buffer); // print red as invalid command, but only color the command, not the arguments
buffer -= cmd_len; buffer -= cmd_len;
} else { } else {
printf("\x1b[38;2;243;139;168m%s\x1b[0m", buffer); // print red as invalid command printf("\x1b[31m%s\x1b[m", buffer); // print red as invalid command
} }
} }
fflush(stdout); fflush(stdout);
free(command_without_arg); free(command_without_arg);
} }
char *readline(char **paths) { char *readline(char **paths)
{
int bufsize = RL_BUFSIZE; int bufsize = RL_BUFSIZE;
int position = 0; int position = 0;
char *buffer = memalloc(sizeof(char) * bufsize); char *buffer = memalloc(bufsize);
bool moved = false; bool moved = false;
bool backspaced = false; bool backspaced = false;
@ -344,9 +352,10 @@ char *readline(char **paths) {
} }
// split line into arguments // split line into arguments
char **argsplit(char *line) { char **argsplit(char *line)
{
int bufsize = TOK_BUFSIZE, position = 0; int bufsize = TOK_BUFSIZE, position = 0;
char **tokens = memalloc(bufsize * sizeof(char*)); char **tokens = memalloc(sizeof(char *) * bufsize);
char *token; char *token;
token = strtok(line, TOK_DELIM); token = strtok(line, TOK_DELIM);
@ -356,7 +365,7 @@ char **argsplit(char *line) {
if (position >= bufsize) { if (position >= bufsize) {
bufsize += TOK_BUFSIZE; bufsize += TOK_BUFSIZE;
tokens = realloc(tokens, bufsize * sizeof(char*)); tokens = realloc(tokens, sizeof(char *) * bufsize);
if (!tokens) { if (!tokens) {
fprintf(stderr, "90s: Error allocating memory\n"); fprintf(stderr, "90s: Error allocating memory\n");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
@ -369,7 +378,8 @@ char **argsplit(char *line) {
return tokens; return tokens;
} }
char **modifyargs(char **args) { char **modifyargs(char **args)
{
int num_arg = 0; int num_arg = 0;
// check if command is ls, diff, or grep, if so, add --color=auto to the arguments // check if command is ls, diff, or grep, if so, add --color=auto to the arguments
@ -392,7 +402,8 @@ char **modifyargs(char **args) {
return args; return args;
} }
char *trimws(char *str) { char *trimws(char *str)
{
char *end; char *end;
while (isspace((unsigned char) *str)) while (isspace((unsigned char) *str))
str++; str++;
@ -405,7 +416,8 @@ char *trimws(char *str) {
return str; return str;
} }
char ***pipe_argsplit(char *line) { char ***pipe_argsplit(char *line)
{
char ***cmdv = memalloc(sizeof(char **) * 128); // 127 commands, 1 for NULL char ***cmdv = memalloc(sizeof(char **) * 128); // 127 commands, 1 for NULL
char **cmds = memalloc(sizeof(char *) * 128); // 127 arguments, 1 for NULL char **cmds = memalloc(sizeof(char *) * 128); // 127 arguments, 1 for NULL
int num_arg = 0; int num_arg = 0;
@ -429,34 +441,42 @@ char ***pipe_argsplit(char *line) {
} }
// continously prompt for command and execute it // continously prompt for command and execute it
void command_loop(char **paths) { void command_loop(char **paths)
{
char *line; char *line;
char **args; char **args;
int status = 1; int status = 1;
while (status) { while (status) {
/* Get current time */
time_t t = time(NULL); time_t t = time(NULL);
struct tm* current_time = localtime(&t); // get current time struct tm *current_time = localtime(&t);
char timestr[256]; char timestr[256];
char cwdstr[PATH_MAX]; /* Format time string */
if (strftime(timestr, sizeof(timestr), "[%H:%M:%S]", current_time) == 0) { // format time string if (strftime(timestr, sizeof(timestr), "[%H:%M:%S]", current_time) == 0) {
return; return;
} }
if (getcwd(cwdstr, sizeof(cwdstr)) == NULL) { // get current working directory char cwd[PATH_MAX];
/* Get current working directory */
if (getcwd(cwd, PATH_MAX) == NULL) {
return; return;
} }
char time[256]; char *home = getenv("HOME");
strcpy(time, timestr); size_t home_len = strlen(home);
char *modtime = memalloc(sizeof(char) * 256);
modtime = color_text(time, lavender); // lavender colored time string int i = 0, j = 0;
char *cwd = memalloc(sizeof(char) * (PATH_MAX + 2)); /* Check if cwd starts with home */
sprintf(cwd, "[%s]", cwdstr); if (home && strncmp(cwd, home, home_len) == 0) {
cwd = replace_absolute_home(cwd); cwd[j++] = '~';
cwd = color_text(cwd, pink); // pink colored current directory i += home_len;
char *arrow = memalloc(sizeof(char) * 32); }
strcpy(arrow, "»"); while (cwd[i] != '\0') {
arrow = color_text(arrow, blue); cwd[j++] = cwd[i++];
printf("%s %s %s ", modtime, cwd, arrow); }
cwd[j] = '\0';
/* Blue time string, pink time, teal arrow */
printf("\033[34m%s\033[m \033[35m[%s] \033[36m>\033[m ", timestr, cwd);
fflush(stdout); fflush(stdout);
cmd_count = 0; // upward arrow key resets command count cmd_count = 0; // upward arrow key resets command count
@ -487,17 +507,16 @@ void command_loop(char **paths) {
free(args); free(args);
} }
free(line); free(line);
free(modtime);
free(cwd);
free(arrow);
}; };
} }
void quit_sig(int sig) { void quit_sig(int sig)
{
exit(EXIT_SUCCESS); exit(EXIT_SUCCESS);
} }
int main(int argc, char **argv) { int main(int argc, char **argv)
{
// setup // setup
signal(SIGINT, quit_sig); signal(SIGINT, quit_sig);
signal(SIGTERM, quit_sig); signal(SIGTERM, quit_sig);

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@ -1,18 +0,0 @@
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "90s.h"
// color str in place
char *color_text(char *str, const char *color) {
int size = snprintf(NULL, 0, "\x1b[38;2;%sm%s\x1b[0m", color, str) + 1; // calculate size that is needed for colored string
if (size < 0) {
fprintf(stderr, "90s: snprintf failed\n");
exit(EXIT_FAILURE);
}
char *buf = memalloc(size);
snprintf(buf, size, "\x1b[38;2;%sm%s\x1b[0m", color, str); // format string to buf
return buf;
}

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@ -13,7 +13,7 @@
int execute(char **args); int execute(char **args);
// Function declarations for builtin commands /* Builtin commands */
int cd(char **args); int cd(char **args);
int help(char **args); int help(char **args);
int quit(char **args); int quit(char **args);
@ -23,7 +23,6 @@ int source(char **args);
int j(char **args); int j(char **args);
int bg(char **args); int bg(char **args);
// List of builtin commands' names
char *builtin_cmds[] = { char *builtin_cmds[] = {
"cd", "cd",
"help", "help",
@ -38,7 +37,7 @@ char *builtin_cmds[] = {
int (*builtin_func[]) (char **) = { int (*builtin_func[]) (char **) = {
&cd, &cd,
&help, &help,
&quit, // cant name it exit as it is taken &quit, /* Can't name it exit as it is taken */
&history, &history,
&export, &export,
&source, &source,
@ -53,12 +52,13 @@ char *shortcut_dirs[] = {
}; };
char *shortcut_expand_dirs[] = { char *shortcut_expand_dirs[] = {
"~/.nky/Coding/C/90s", "~/.nky/git/90s",
"~/.local/bin", "~/.local/bin",
"/usr/local/bin", "/usr/local/bin",
}; };
char *gethome(void) { char *gethome(void)
{
char *home = getenv("HOME"); char *home = getenv("HOME");
if (home == NULL) { if (home == NULL) {
fprintf(stderr, "Error: HOME environment variable not set.\n"); fprintf(stderr, "Error: HOME environment variable not set.\n");
@ -67,14 +67,15 @@ char *gethome(void) {
return home; return home;
} }
char *replace_home_dir(char *str) { char *replace_home_dir(char *str)
{
char *home_path = gethome(); char *home_path = gethome();
int path_len = strlen(str); int path_len = strlen(str);
int home_len = strlen(home_path); int home_len = strlen(home_path);
// Allocate memory for the new path // Allocate memory for the new path
char* new_path = memalloc(sizeof(char) * (path_len + home_len + 1)); char* new_path = memalloc(path_len + home_len + 1);
int i = 0, j = 0; int i = 0, j = 0;
while (str[i] != '\0') { while (str[i] != '\0') {
@ -93,37 +94,14 @@ char *replace_home_dir(char *str) {
return new_path; return new_path;
} }
char *replace_absolute_home(char *str) {
char *home_path = gethome();
int path_len = strlen(str);
int home_len = strlen(home_path);
// Allocate memory for the new path
char* new_path = memalloc(sizeof(char) * (path_len - home_len + 2));
int i = 0, j = 0;
while (str[i] != '\0') {
if (strncmp(&str[i], home_path, home_len) == 0) {
// Copy HOME environment variable value
new_path[j++] = '~';
i += home_len;
} else {
new_path[j++] = str[i++];
}
}
new_path[j] = '\0';
return new_path;
}
// number of built in commands // number of built in commands
int num_builtins(void) { int num_builtins(void) {
return sizeof(builtin_cmds) / sizeof(char *); return sizeof(builtin_cmds) / sizeof(char *);
} }
// autojump // autojump
int j(char **args) { int j(char **args)
{
if (args[1] == NULL) { if (args[1] == NULL) {
fprintf(stderr, "90s: not enough arguments\n"); fprintf(stderr, "90s: not enough arguments\n");
return -1; return -1;
@ -143,7 +121,9 @@ int j(char **args) {
return 1; return 1;
} }
// change directory /*
* Change directory
*/
int cd(char **args) { int cd(char **args) {
int i = 0; int i = 0;
if (args[1] == NULL) { if (args[1] == NULL) {
@ -166,9 +146,12 @@ int cd(char **args) {
return 1; return 1;
} }
// show help menu /*
int help(char **args) { * Show help menu
printf("90s %f\n", VERSION); */
int help(char **args)
{
printf("90s %s\n", VERSION);
printf("Built in commands:\n"); printf("Built in commands:\n");
for (int i = 0; i < num_builtins(); i++) { for (int i = 0; i < num_builtins(); i++) {
@ -180,11 +163,14 @@ int help(char **args) {
return 1; return 1;
} }
int quit(char **args) { int quit(char **args)
return 0; // exit prompting loop, which also the shell {
/* Exit prompt loop */
return 0;
} }
int history(char **args) { int history(char **args)
{
char **history = get_all_history(true); char **history = get_all_history(true);
for (int i = 0; history[i] != NULL; ++i) { for (int i = 0; history[i] != NULL; ++i) {
@ -196,8 +182,10 @@ int history(char **args) {
return 1; return 1;
} }
int export(char **args) { int export(char **args)
args++; // skip the command {
/* Skip the command */
args++;
while (*args != NULL) { while (*args != NULL) {
char *variable = strtok(*args, "=\n"); char *variable = strtok(*args, "=\n");
char *value = strtok(NULL, "=\n"); char *value = strtok(NULL, "=\n");
@ -215,7 +203,8 @@ int export(char **args) {
return 1; return 1;
} }
int source(char **args) { int source(char **args)
{
if (args[1] == NULL) { if (args[1] == NULL) {
fprintf(stderr, "90s: not enough arguments\n"); fprintf(stderr, "90s: not enough arguments\n");
return -1; return -1;
@ -245,7 +234,8 @@ int source(char **args) {
return status; // Indicate success return status; // Indicate success
} }
int bg(char **args) { int bg(char **args)
{
if (args[1] == NULL) { if (args[1] == NULL) {
fprintf(stderr, "90s: not enough arguments\n"); fprintf(stderr, "90s: not enough arguments\n");
return -1; return -1;
@ -263,7 +253,9 @@ int bg(char **args) {
printf("Job %i: %s\n", job_index, search->command); printf("Job %i: %s\n", job_index, search->command);
return 1; return 1;
} }
bool is_builtin(char *command) {
bool is_builtin(char *command)
{
for (int i = 0; i < num_builtins(); i++) { for (int i = 0; i < num_builtins(); i++) {
if (strcmp(command, builtin_cmds[i]) == 0) { if (strcmp(command, builtin_cmds[i]) == 0) {
return true; return true;
@ -272,7 +264,8 @@ bool is_builtin(char *command) {
return false; return false;
} }
int launch(char **args, int fd, int options) { int launch(char **args, int fd, int options)
{
int is_bgj = (options & OPT_BGJ) ? 1 : 0; int is_bgj = (options & OPT_BGJ) ? 1 : 0;
int redirect_stdout = (options & OPT_STDOUT) ? 1 : 0; int redirect_stdout = (options & OPT_STDOUT) ? 1 : 0;
int redirect_stdin = (options & OPT_STDIN) ? 1 : 0; int redirect_stdin = (options & OPT_STDIN) ? 1 : 0;
@ -325,7 +318,8 @@ int launch(char **args, int fd, int options) {
return 1; return 1;
} }
// execute built in commands or launch commands and wait it to terminate, return 1 to keep shell running // execute built in commands or launch commands and wait it to terminate, return 1 to keep shell running
int execute(char **args) { int execute(char **args)
{
if (args[0] == NULL) { // An empty command was entered. if (args[0] == NULL) { // An empty command was entered.
return 1; return 1;
} }
@ -407,7 +401,8 @@ int execute(char **args) {
} }
// execute_pipe with as many pipes as needed // execute_pipe with as many pipes as needed
int execute_pipe(char ***args) { int execute_pipe(char ***args)
{
int pipefd[2]; int pipefd[2];
pid_t pid; pid_t pid;
int in = 0; int in = 0;

View file

@ -13,7 +13,8 @@ FILE *history_file;
char *histfile_path; char *histfile_path;
int cmd_count = 0; int cmd_count = 0;
FILE *open_history_file(char *mode) { FILE *open_history_file(char *mode)
{
history_file = fopen(histfile_path, mode); history_file = fopen(histfile_path, mode);
if (history_file == NULL) { if (history_file == NULL) {
fprintf(stderr, "90s: Error opening history file\n"); fprintf(stderr, "90s: Error opening history file\n");
@ -21,7 +22,9 @@ FILE *open_history_file(char *mode) {
} }
return history_file; return history_file;
} }
void check_history_file(void) {
void check_history_file(void)
{
char *env_home; char *env_home;
env_home = getenv("XDG_CONFIG_HOME"); env_home = getenv("XDG_CONFIG_HOME");
if (env_home == NULL) { if (env_home == NULL) {
@ -48,7 +51,8 @@ void check_history_file(void) {
} }
} }
void save_command_history(char *args) { void save_command_history(char *args)
{
history_file = open_history_file("a+"); history_file = open_history_file("a+");
char cmd[RL_BUFSIZE]; char cmd[RL_BUFSIZE];
cmd[0] = '\0'; cmd[0] = '\0';
@ -60,8 +64,10 @@ void save_command_history(char *args) {
fclose(history_file); fclose(history_file);
} }
char *read_command(int direction) { char *read_command(int direction)
if (direction == 1) { // up {
/* Up */
if (direction == 1) {
cmd_count++; cmd_count++;
} else { // down } else { // down
if (cmd_count == 0) { if (cmd_count == 0) {
@ -84,7 +90,8 @@ char *read_command(int direction) {
return history[num_history - cmd_count]; return history[num_history - cmd_count];
} }
int is_duplicate(char **history, int line_count, char *line) { int is_duplicate(char **history, int line_count, char *line)
{
for (int i = 0; i < line_count; ++i) { for (int i = 0; i < line_count; ++i) {
if (strcmp(history[i], line) == 0) { if (strcmp(history[i], line) == 0) {
return 1; return 1;
@ -93,9 +100,10 @@ int is_duplicate(char **history, int line_count, char *line) {
return 0; return 0;
} }
char **get_all_history(bool check) { char **get_all_history(bool check)
{
history_file = open_history_file("r"); history_file = open_history_file("r");
char **history = memalloc(MAX_HISTORY * sizeof(char*)); char **history = memalloc(MAX_HISTORY * sizeof(char *));
char buffer[RL_BUFSIZE]; char buffer[RL_BUFSIZE];
int line_count = 0; int line_count = 0;

View file

@ -13,7 +13,8 @@ typedef struct job {
job *jobs = NULL; job *jobs = NULL;
int num_jobs(void) { int num_jobs(void)
{
job *current = jobs; job *current = jobs;
int count = 0; int count = 0;
while (current != NULL) { while (current != NULL) {
@ -23,7 +24,8 @@ int num_jobs(void) {
return count; return count;
} }
int add_job(pid_t pid, char *command, bool status) { int add_job(pid_t pid, char *command, bool status)
{
job *current = jobs; job *current = jobs;
job *new_job = memalloc(sizeof(job)); job *new_job = memalloc(sizeof(job));
new_job->pid = pid; new_job->pid = pid;
@ -45,7 +47,8 @@ int add_job(pid_t pid, char *command, bool status) {
return index; return index;
} }
job *get_job(int index) { job *get_job(int index)
{
job *current = jobs; job *current = jobs;
if (index == 0) { if (index == 0) {
return current; return current;