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Diffstat (limited to 'src/user/app/yosh/main.cpp')
-rw-r--r--src/user/app/yosh/main.cpp217
1 files changed, 108 insertions, 109 deletions
diff --git a/src/user/app/yosh/main.cpp b/src/user/app/yosh/main.cpp
index fe3eeed..6277701 100644
--- a/src/user/app/yosh/main.cpp
+++ b/src/user/app/yosh/main.cpp
@@ -5,8 +5,6 @@
#include <readline.h>
#include <IO/IOStream.h>
-using namespace libc;
-
FILE cwd_f;
char *cwd;
@@ -14,26 +12,26 @@ void about() {
stdio << "Trivial/Computing Environment v0.1.0 - yosh 3.\n";
}
-void help(char *args[]) {
- if (args[1] == 0) {
+void help(String *args) {
+ if (!args[1]) {
stdio << "Available commands: about, help, exit, ls, cd, goto.\n";
- } else if (strcmp(args[1], "about") == 0) {
+ } else if (args[1] == "about") {
stdio << "Usage:\tabout\nShows some info about yosh. Very usefull.\n";
- } else if (strcmp(args[1], "help") == 0) {
+ } else if (args[1] == "help") {
stdio << "Usage:\thelp\n\thelp <command>\n"
<< "Shows some info about the command you want, or commands in general.\n";
- } else if (strcmp(args[1], "exit") == 0) {
+ } else if (args[1] == "exit") {
stdio << "Usage:\texit\n"
<< "Exits the shell.\nWill probably make your system panic if you only have a shell running.\n";
- } else if (strcmp(args[1], "cd") == 0) {
+ } else if (args[1] == "cd") {
stdio << "Usage:\tcd <location>\nGoes to the location specified.\n";
- } else if (strcmp(args[1], "ls") == 0) {
+ } else if (args[1] == "ls") {
stdio << "Usage:\tls\n\tls <location>...\nShows the content of the current/specified directory.\n";
- } else if (strcmp(args[1], "goto") == 0) {
+ } else if (args[1] == "goto") {
stdio << "Usage:\tgoto <vt name>\nSwitchs focus to specified virtual terminal.\n"
<< "Type `ls /.ui` to see available terminals.\n";
} else {
- stdio.printf("No such command: %s\n", args[1]);
+ stdio.printf("No such command: %s\n", args[1].c_str());
}
}
@@ -52,14 +50,14 @@ void simplify_path(char* p) {
}
} else {
*it = 0;
- if (strcmp(member, ".") == 0) {
+ if (libc::strcmp(member, ".") == 0) {
char *i = member;
while (1) {
i[0] = i[2];
if (i[0] == 0) break;
i++;
}
- } else if (strcmp(member, "..") == 0) {
+ } else if (libc::strcmp(member, "..") == 0) {
*it = '/';
char* start = member - 2;
char* next = member + 3;
@@ -86,28 +84,28 @@ void simplify_path(char* p) {
}
}
-char* path_cat (char* a, char* b, int trailing_slash) {
+char* path_cat (char* a, char* b, bool trailing_slash = true) {
char* ret;
if (b[0] == '/') {
- int lb = strlen(b);
+ int lb = libc::strlen(b);
ret = (char*)malloc(lb + 2);
- memcpy(ret, b, lb);
+ libc::memcpy(ret, b, lb);
if (ret[lb - 1] != '/') {
ret[lb] = '/';
lb++;
}
ret[lb] = 0;
} else {
- int la = strlen(a);
- int lb = strlen(b);
+ int la = libc::strlen(a);
+ int lb = libc::strlen(b);
ret = (char*)malloc(la + lb + 3);
- memcpy(ret, a, la);
+ libc::memcpy(ret, a, la);
if (ret[la-1] != '/') {
ret[la] = '/';
la++;
}
- memcpy(ret + la, b, lb);
+ libc::memcpy(ret + la, b, lb);
if (ret[la + lb - 1] != '/') {
ret[la + lb] = '/';
lb++;
@@ -116,40 +114,40 @@ char* path_cat (char* a, char* b, int trailing_slash) {
}
simplify_path(ret);
if (!trailing_slash) {
- int l = strlen(ret);
+ int l = libc::strlen(ret);
if (ret[l-1] == '/') ret[l-1] = 0;
}
return ret;
}
-void cd(char **args) {
- if (args[1] == 0) {
- print("Usage: cd <directory>\n");
+void cd(String *args) {
+ if (!args[1]) {
+ stdio << "Usage: cd <directory>\n";
}
- if (strcmp(args[1], ".") == 0) return;
+ if (args[1] == ".") return;
- char* newcwd = path_cat(cwd, args[1], 1);
+ char* newcwd = path_cat(cwd, args[1].c_str());
file_info info;
- int i = stat(newcwd, &info);
+ int i = libc::stat(newcwd, &info);
if (i == E_NOT_FOUND) {
- print("No such file or directory.\n");
+ stdio << "No such file or directory.\n";
free(newcwd);
} else if (i < 0) {
stdio.printf("Error stating: %i\n", i);
free(newcwd);
} else if ((info.type & FT_DIR) == 0) {
- print("Not a directory.\n");
+ stdio << "Not a directory.\n";
free(newcwd);
} else {
- FILE nf = open(newcwd, 0);
+ FILE nf = libc::open(newcwd, 0);
if (nf < 0) {
stdio.printf("Error opening: %i\n", nf);
free(newcwd);
} else {
free(cwd);
cwd = newcwd;
- close(cwd_f);
+ libc::close(cwd_f);
cwd_f = nf;
}
}
@@ -159,57 +157,57 @@ void ls_dir(FILE f) {
file_info info;
int i = 0;
char buf[256];
- while (read(f, i, 256, buf) > 0) {
+ while (libc::read(f, i, 256, buf) > 0) {
i++;
- if (strcmp(buf, ".") == 0 || strcmp(buf, "..") == 0) continue;
+ if (libc::strcmp(buf, ".") == 0 || libc::strcmp(buf, "..") == 0) continue;
stdio.printf(" %s", buf);
- stat_relative(f, buf, &info);
- if (info.type & FT_DIR) print("/");
- print(" \t");
+ libc::stat_relative(f, buf, &info);
+ if (info.type & FT_DIR) stdio << "/";
+ stdio << " \t";
- if (info.type & FT_FILE) print("file ");
- if (info.type & FT_DIR) print("dir ");
- if (info.type & FT_SYMLINK) print("symlink ");
- if (info.type & FT_DEV) print("dev ");
- if (info.type & FT_TERMINAL) print("term ");
+ if (info.type & FT_FILE) stdio << "file ";
+ if (info.type & FT_DIR) stdio << "dir ";
+ if (info.type & FT_SYMLINK) stdio << "symlink ";
+ if (info.type & FT_DEV) stdio << "dev ";
+ if (info.type & FT_TERMINAL) stdio << "term ";
- print("\t");
+ stdio << "\t";
if (info.type & FT_TERMINAL) {
stdio.printf("%ix%i", info.size >> 16, info.size & 0xFFFF);
} else if ((info.type & FT_DEV) == 0) {
stdio.printf("%i", info.size);
}
- print("\n");
+ stdio << "\n";
}
}
-void ls(char **args) {
- if (args[1] == 0) {
+void ls(String *args) {
+ if (!args[1]) {
ls_dir(cwd_f);
} else {
int i;
- for (i = 1; args[i] != 0; i++) {
- stdio.printf("Contents of %s :\n", args[i]);
- char* d = path_cat(cwd, args[i], 1);
+ for (i = 1; args[i]; i++) {
+ stdio.printf("Contents of %s :\n", args[i].c_str());
+ char* d = path_cat(cwd, args[i].c_str());
file_info info;
- int e = stat(d, &info);
+ int e = libc::stat(d, &info);
if (e == E_NOT_FOUND) {
- print(" No such file or directory\n");
+ stdio << " No such file or directory\n";
} else if (e < 0) {
stdio.printf(" Error stating: %i\n", e);
} else if ((info.type & FT_DIR) == 0) {
stdio.printf(" Not a directory.\n");
} else {
- FILE ff = open(d, 0);
+ FILE ff = libc::open(d, 0);
if (ff < 0) {
stdio.printf(" Error opening: %i\n", ff);
} else {
ls_dir(ff);
- close(ff);
+ libc::close(ff);
}
}
free(d);
@@ -217,12 +215,12 @@ void ls(char **args) {
}
}
-void cat(char **args) {
+void cat(String *args) {
int i;
- for (i = 1; args[i] != 0; i++) {
- char *d = path_cat(cwd, args[i], 0);
+ for (i = 1; args[i]; i++) {
+ char *d = path_cat(cwd, args[i].c_str(), false);
file_info info;
- int e = stat(d, &info);
+ int e = libc::stat(d, &info);
if (e == E_NOT_FOUND) {
stdio.printf("No such file: %s\n", d);
} else if (e < 0) {
@@ -230,37 +228,37 @@ void cat(char **args) {
} else if ((info.type & FT_FILE) == 0) {
stdio.printf("Not a file: %s\n", d);
} else {
- FILE ff = open(d, 0);
+ FILE ff = libc::open(d, 0);
char* buff = (char*)malloc(info.size);
- read(ff, 0, info.size, buff);
- close(ff);
- write(term, 0, info.size, buff);
+ libc::read(ff, 0, info.size, buff);
+ libc::close(ff);
+ libc::write(stdio.term->fd, 0, info.size, buff);
free(buff);
}
}
}
-void t_goto(char** args) {
- if (args[1] == 0) {
- print("Usage: goto <vt_name>\n");
+void t_goto(String *args) {
+ if (!args[1]) {
+ stdio << "Usage: goto <vt_name>\n";
return;
}
- char* p = path_cat("/.ui/", args[1], 0);
+ char* p = path_cat("/.ui/", args[1].c_str(), false);
int i;
- if ((i = link(p, "/.dev/vgatxt", LM_OUTPUT_TO)) == 0) {
- link("/.dev/ps2kbd", p, LM_OUTPUT_TO);
+ if ((i = libc::link(p, "/.dev/vgatxt", LM_OUTPUT_TO)) == 0) {
+ libc::link("/.dev/ps2kbd", p, LM_OUTPUT_TO);
} else {
stdio.printf("Error %i\n", i);
}
}
-int Main(char **sh_args) {
+int Main(String *sh_args) {
about();
- cwd = strdup("/");
- cwd_f = open(cwd, 0);
+ cwd = libc::strdup("/");
+ cwd_f = libc::open(cwd, 0);
- char *path = path_cat(sh_args[0], "..", 1);
+ char *path = path_cat(sh_args[0].c_str(), "..");
int bg_pr[128], bg_pr_c = 0;
@@ -273,70 +271,73 @@ int Main(char **sh_args) {
while (1) {
stdio.printf("\x1b[33m %s \x1b[1m", cwd);
- char *s = term->readline();
+ String s = term->readline();
stdio.printf("\x1b[0m");
- if (s == 0) return -1;
- if (*s == 0) continue;
-
- char *c_args[16] = {0}, *cmd;
- c_args[0] = s;
- int argc = 1;
- for (cmd = s; *cmd != 0; cmd++) {
- if (*cmd == ' ') {
- *cmd = 0;
- if (cmd[1] != ' ' && cmd[1] != 0) {
- c_args[argc] = cmd + 1;
+ if (s.size() == 0) continue;
+
+ String c_args[16];
+ int argc = 0, start = 0;
+ for (int i = 0; i < s.size(); i++) {
+ if (s[i] == ' ') {
+ if (start == i) {
+ start++;
+ } else {
+ c_args[argc] = s.substr(start, i - start);
argc++;
- if (argc == 15) break;
+ start = i + 1;
+ if (argc == 15) {
+ break;
+ }
}
}
}
+ c_args[argc++] = s.substr(start, s.size() - start);
- if (strcmp(c_args[0], "about") == 0) {
+ if (c_args[0] == "about") {
about();
- } else if (strcmp(c_args[0], "help") == 0) {
+ } else if (c_args[0] == "help") {
help(c_args);
- } else if (strcmp(c_args[0], "exit") == 0) {
- print("Exiting the shell. See you later!\n");
+ } else if (c_args[0] == "exit") {
+ stdio << "Exiting the shell. See you later!\n";
break;
- } else if (strcmp(c_args[0], "cd") == 0) {
+ } else if (c_args[0] == "cd") {
cd(c_args);
- } else if (strcmp(c_args[0], "ls") == 0) {
+ } else if (c_args[0] == "ls") {
ls(c_args);
- } else if (strcmp(c_args[0], "goto") == 0) {
+ } else if (c_args[0] == "goto") {
t_goto(c_args);
- } else if (strcmp(c_args[0], "cat") == 0) {
+ } else if (c_args[0] == "cat") {
cat(c_args);
} else {
FILE vt = term->fd;
char *t = 0;
- if (strcmp(c_args[0], "on") == 0) {
- if (c_args[1] == 0 || c_args[2] == 0) {
+ String *first_arg = c_args + 1;
+
+ if (c_args[0] == "on") {
+ if (!c_args[1] || !c_args[2]) {
stdio.printf("Usage:\ton <vt> <command>\n");
continue;
}
- t = path_cat("/.ui/", c_args[1], 0);
- vt = open(t, 0);
+ t = path_cat("/.ui/", c_args[1].c_str(), false);
+ vt = libc::open(t, 0);
if (vt < 0 || vt == term->fd) {
stdio.printf("Error: cannot open terminal %s (%i)\n", t, vt);
free(t);
continue;
}
- int i = 0;
- while (1) {
- c_args[i] = c_args[i+2];
- if (c_args[i] == 0) break;
- i++;
- }
+ first_arg += 2;
}
char *c;
- if (strchr(c_args[0], '/')) {
- c = path_cat(cwd, c_args[0], 0);
+ if (libc::strchr(c_args[0].c_str(), '/')) {
+ c = path_cat(cwd, c_args[0].c_str(), false);
} else {
- c = path_cat(path, c_args[0], 0);
+ c = path_cat(path, c_args[0].c_str(), false);
}
- int pid = run(c, c_args + 1, vt);
+ char *run_args[15] = {0};
+ for (int i = 0; first_arg[i]; i++) run_args[i] = first_arg[i].c_str();
+
+ int pid = libc::run(c, run_args, vt);
if (pid <= 0) {
if (pid == E_NOT_FOUND) {
stdio.printf("Error: no such file %s\n", c);
@@ -345,7 +346,7 @@ int Main(char **sh_args) {
}
} else {
if (vt == term->fd) {
- int ret = waitpid(pid, 1);
+ int ret = libc::waitpid(pid, 1);
stdio.printf("(yosh) child (pid %i) exited with status %i\n", pid, ret);
} else {
stdio.printf("(yosh) running on terminal %s, pid:%i\n", t, pid);
@@ -356,11 +357,9 @@ int Main(char **sh_args) {
free(c);
}
- for (; s < cmd; s++) if (*s == 0) *s = ' ';
-
int i = 0;
while (i < bg_pr_c) {
- int ret = waitpid(bg_pr[i], 0);
+ int ret = libc::waitpid(bg_pr[i], 0);
if (ret != E_NOT_FINISHED) {
stdio.printf("(yosh) child (pid %i) exited with status %i\n", bg_pr[i], ret);
bg_pr_c--;
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