flipperzero-firmware/lib/toolbox/path.c
2022-07-25 20:23:47 +09:00

115 lines
3.1 KiB
C

#include "path.h"
#include "m-string.h"
#include <stddef.h>
void path_extract_filename_no_ext(const char* path, string_t filename) {
string_set(filename, path);
size_t start_position = string_search_rchar(filename, '/');
size_t end_position = string_search_rchar(filename, '.');
if(start_position == STRING_FAILURE) {
start_position = 0;
} else {
start_position += 1;
}
if(end_position == STRING_FAILURE) {
end_position = string_size(filename);
}
string_mid(filename, start_position, end_position - start_position);
}
void path_extract_filename(string_t path, string_t name, bool trim_ext) {
size_t filename_start = string_search_rchar(path, '/');
if(filename_start > 0) {
filename_start++;
string_set_n(name, path, filename_start, string_size(path) - filename_start);
}
if(trim_ext) {
size_t dot = string_search_rchar(name, '.');
if(dot > 0) {
string_left(name, dot);
}
}
}
void path_extract_extension(string_t path, char* ext, size_t ext_len_max) {
size_t dot = string_search_rchar(path, '.');
size_t filename_start = string_search_rchar(path, '/');
if((dot > 0) && (filename_start < dot)) {
strlcpy(ext, &(string_get_cstr(path))[dot], ext_len_max);
}
}
static inline void path_cleanup(string_t path) {
string_strim(path);
while(string_end_with_str_p(path, "/")) {
string_left(path, string_size(path) - 1);
}
}
void path_extract_basename(const char* path, string_t basename) {
string_set(basename, path);
path_cleanup(basename);
size_t pos = string_search_rchar(basename, '/');
if(pos != STRING_FAILURE) {
string_right(basename, pos);
}
}
void path_extract_dirname(const char* path, string_t dirname) {
string_set(dirname, path);
path_cleanup(dirname);
size_t pos = string_search_rchar(dirname, '/');
if(pos != STRING_FAILURE) {
string_left(dirname, pos);
}
}
void path_append(string_t path, const char* suffix) {
path_cleanup(path);
string_t suffix_str;
string_init_set(suffix_str, suffix);
string_strim(suffix_str);
string_strim(suffix_str, "/");
string_cat_printf(path, "/%s", string_get_cstr(suffix_str));
string_clear(suffix_str);
}
void path_concat(const char* path, const char* suffix, string_t out_path) {
string_set(out_path, path);
path_append(out_path, suffix);
}
bool path_contains_only_ascii(const char* path) {
const char* name_pos = strrchr(path, '/');
if(name_pos == NULL) {
name_pos = path;
} else {
name_pos++;
}
while(*name_pos != '\0') {
if((*name_pos >= '0') && (*name_pos <= '9')) {
name_pos++;
continue;
} else if((*name_pos >= 'A') && (*name_pos <= 'Z')) {
name_pos++;
continue;
} else if((*name_pos >= 'a') && (*name_pos <= 'z')) {
name_pos++;
continue;
} else if(strchr(" .!#\\$%&'()-@^_`{}~", *name_pos) != NULL) {
name_pos++;
continue;
}
return false;
}
return true;
}