1d50a5981e
* storage: fixed handling of zero-length files * docs: added ReadMe.md for vscode workspace * rpc: storage: improved empty file & error handling in write handler * docs: markdown fix * docs: typo fixes Co-authored-by: SG <who.just.the.doctor@gmail.com> Co-authored-by: あく <alleteam@gmail.com>
119 lines
3.1 KiB
C
119 lines
3.1 KiB
C
#include "path.h"
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#include "m-string.h"
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#include <stddef.h>
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void path_extract_filename_no_ext(const char* path, string_t filename) {
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string_set(filename, path);
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size_t start_position = string_search_rchar(filename, '/');
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size_t end_position = string_search_rchar(filename, '.');
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if(start_position == STRING_FAILURE) {
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start_position = 0;
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} else {
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start_position += 1;
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}
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if(end_position == STRING_FAILURE) {
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end_position = string_size(filename);
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}
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string_mid(filename, start_position, end_position - start_position);
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}
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void path_extract_filename(string_t path, string_t name, bool trim_ext) {
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size_t filename_start = string_search_rchar(path, '/');
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if(filename_start > 0) {
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filename_start++;
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string_set_n(name, path, filename_start, string_size(path) - filename_start);
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}
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if(trim_ext) {
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size_t dot = string_search_rchar(name, '.');
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if(dot > 0) {
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string_left(name, dot);
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}
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}
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}
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void path_extract_extension(string_t path, char* ext, size_t ext_len_max) {
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size_t dot = string_search_rchar(path, '.');
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size_t filename_start = string_search_rchar(path, '/');
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if((dot > 0) && (filename_start < dot)) {
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strlcpy(ext, &(string_get_cstr(path))[dot], ext_len_max);
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}
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}
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static inline void path_cleanup(string_t path) {
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string_strim(path);
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while(string_end_with_str_p(path, "/")) {
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string_left(path, string_size(path) - 1);
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}
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}
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void path_extract_basename(const char* path, string_t basename) {
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string_set(basename, path);
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path_cleanup(basename);
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size_t pos = string_search_rchar(basename, '/');
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if(pos != STRING_FAILURE) {
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string_right(basename, pos + 1);
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}
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}
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void path_extract_dirname(const char* path, string_t dirname) {
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string_set(dirname, path);
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path_cleanup(dirname);
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size_t pos = string_search_rchar(dirname, '/');
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if(pos != STRING_FAILURE) {
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string_left(dirname, pos);
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}
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}
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void path_append(string_t path, const char* suffix) {
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path_cleanup(path);
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string_t suffix_str;
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string_init_set(suffix_str, suffix);
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string_strim(suffix_str);
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string_strim(suffix_str, "/");
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string_cat_printf(path, "/%s", string_get_cstr(suffix_str));
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string_clear(suffix_str);
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}
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void path_concat(const char* path, const char* suffix, string_t out_path) {
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string_set(out_path, path);
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path_append(out_path, suffix);
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}
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bool path_contains_only_ascii(const char* path) {
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if(!path) {
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return false;
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}
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const char* name_pos = strrchr(path, '/');
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if(name_pos == NULL) {
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name_pos = path;
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} else {
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name_pos++;
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}
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while(*name_pos != '\0') {
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if((*name_pos >= '0') && (*name_pos <= '9')) {
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name_pos++;
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continue;
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} else if((*name_pos >= 'A') && (*name_pos <= 'Z')) {
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name_pos++;
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continue;
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} else if((*name_pos >= 'a') && (*name_pos <= 'z')) {
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name_pos++;
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continue;
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} else if(strchr(" .!#\\$%&'()-@^_`{}~", *name_pos) != NULL) {
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name_pos++;
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continue;
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}
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return false;
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}
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return true;
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}
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