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added documentation, almost done with code

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This commit is contained in:
FantasyPvP
2024-12-03 09:47:13 +00:00
parent af08485d27
commit ad96bcc0c8
6 changed files with 619 additions and 807 deletions
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final/main.c
+166 -18
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@@ -6,12 +6,13 @@
void help() {
printf("Usage:\n");
printf(" cmd open <path/to/file> // opens the specified file\n");
printf(" cmd rm <path/to/file> // deletes the specified file\n");
printf(" cmd new <path/to/file> // creates a new empty file at the specified path\n");
printf(" cmd mv <path/to/file> <new/path> // moves the specified file to the new path\n");
printf(" cmd cp <path/to/file> <new/path> // copies the specified file to the new path\n");
printf(" cmd len <path/to/file> // returns the length of the specified file\n");
printf(" cmd open <file/path> // opens the specified file\n");
printf(" cmd rm <file/path> // deletes the specified file\n");
printf(" cmd new <file/path> // creates a new empty file at the specified path\n");
printf(" cmd mv <old/path> <new/path> // moves the specified file to the new path\n");
printf(" cmd cp <old/path> <new/path> // copies the specified file to the new path\n");
printf(" cmd lenl <file/path> // returns the length of the specified file in lines\n");
printf(" cmd lenc <file/path> // returns the length of the specified file in chars\n");
printf(" cmd log // prints a list of all changes made to the file\n");
}
@@ -33,9 +34,9 @@ int open_editor(char* filename) {
Editor editor;
if (strcmp(filename, "") == 0) {
editor = new_editor();
editor = new_editor(str_from_chars(filename));
} else {
editor = editor_from(str_from_file(fopen(filename, "r")));
editor = editor_from(str_from_file(fopen(filename, "r")), str_from_chars(filename));
}
while (true) {
refresh();
@@ -68,7 +69,6 @@ int open_editor(char* filename) {
move_cursor(&editor, 1, 0);
break;
default:
fprintf(stderr, "%d\n", c);
addchar(&editor, c);
break;
}
@@ -76,12 +76,15 @@ int open_editor(char* filename) {
switch (c) {
case 'q':
endwin();
shutdown_editor(&editor);
return 0;
case 'i':
switch_mode(&editor);
break;
case 'w':
editor.unsaved_changes = false;
save_file(&editor);
// TODO: write function to save the data to a file
break;
default:
@@ -91,16 +94,161 @@ int open_editor(char* filename) {
}
}
int main(int argc, char* argv[]) {
if (argc == 1) {
Editor e = new_editor();
open_editor("");
} else if (argc == 3) {
if (strcmp(argv[1], "open") == 0) {
fprintf(stderr, "starting editor openiing file %s", argv[2]);
open_editor(argv[2]);
}
// Copies a file from source to destination
int copy_file(const char* source, const char* dest) {
FILE* src = fopen(source, "rb");
if (src == NULL) {
fprintf(stderr, "Error: Could not open source file %s\n", source);
return -1;
}
FILE* dst = fopen(dest, "wb");
if (dst == NULL) {
fclose(src);
fprintf(stderr, "Error: Could not create destination file %s\n", dest);
return -1;
}
char buffer[8192];
size_t bytes;
while ((bytes = fread(buffer, 1, sizeof(buffer), src)) > 0) {
if (fwrite(buffer, 1, bytes, dst) != bytes) {
fclose(src);
fclose(dst);
fprintf(stderr, "Error: Write failed to %s\n", dest);
return -1;
}
}
fclose(src);
fclose(dst);
return 0;
}
// Counts the number of characters in a file
int count_chars(const char* filename) {
FILE* file = fopen(filename, "r");
if (file == NULL) {
fprintf(stderr, "Error: Could not open file %s\n", filename);
return -1;
}
int count = 0;
int ch;
while ((ch = fgetc(file)) != EOF) {
count++;
}
fclose(file);
return count;
}
// Counts the number of lines in a file
int count_lines(const char* filename) {
FILE* file = fopen(filename, "r");
if (file == NULL) {
fprintf(stderr, "Error: Could not open file %s\n", filename);
return -1;
}
int count = 0;
int ch;
int last_char = '\n'; // Handle empty files as 0 lines
while ((ch = fgetc(file)) != EOF) {
if (ch == '\n') {
count++;
}
last_char = ch;
}
// Count last line if it doesn't end with newline
if (last_char != '\n' && last_char != EOF) {
count++;
}
fclose(file);
return count;
}
// Command types
typedef enum {
CMD_OPEN,
CMD_RM,
CMD_NEW,
CMD_MV,
CMD_CP,
CMD_LENL,
CMD_LENC,
CMD_LOG,
CMD_UNKNOWN
} CommandType;
// Convert string to command type
CommandType str_to_cmd(const char* cmd) {
if (strcmp(cmd, "open") == 0) return CMD_OPEN;
if (strcmp(cmd, "rm") == 0) return CMD_RM;
if (strcmp(cmd, "new") == 0) return CMD_NEW;
if (strcmp(cmd, "mv") == 0) return CMD_MV;
if (strcmp(cmd, "cp") == 0) return CMD_CP;
if (strcmp(cmd, "lenl") == 0) return CMD_LENL;
if (strcmp(cmd, "lenc") == 0) return CMD_LENC;
if (strcmp(cmd, "log") == 0) return CMD_LOG;
return CMD_UNKNOWN;
}
int main(int argc, char* argv[]) {
if (argc < 2) {
help();
return 1;
}
CommandType cmd = str_to_cmd(argv[1]);
if (argc == 3) {
switch (cmd) {
case CMD_OPEN:
open_editor(argv[2]);
break;
case CMD_RM:
remove(argv[2]);
break;
case CMD_NEW:
open_editor(argv[2]);
break;
case CMD_LENC:
printf("%d\n", count_chars(argv[2]));
break;
case CMD_LENL:
printf("%d\n", count_lines(argv[2]));
break;
default:
help();
}
}
else if (argc == 4) {
switch (cmd) {
case CMD_MV:
if (rename(argv[2], argv[3]) != 0) {
fprintf(stderr, "Error: Failed to move file %s to %s\n", argv[2], argv[3]);
}
break;
case CMD_CP:
if (copy_file(argv[2], argv[3]) != 0) {
fprintf(stderr, "Error: Failed to copy file %s to %s\n", argv[2], argv[3]);
}
break;
default:
help();
}
}
else {
printf("invalid options\n");
help();
}
return 0;
}