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Args parsing

This commit is contained in:
Matteo Paonessa 2016-12-17 00:46:46 +01:00
parent c1c47d4e19
commit bc7ab356db
8 changed files with 952 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
.gitignore vendored
View File

@ -24,3 +24,4 @@ Thumbs.db
.idea
src_orig
cmake-build-*
old_src

7
README.md
View File

@ -25,7 +25,7 @@ See INSTALL for more details.
Losslessly compress ```image1.jpg```, located in the ```home``` directory, into a folder called ```output```
```
$ caesiumclt -l -o ~/output/ ~/image.jpg
$ caesiumclt -q 0 -o ~/output/ ~/image.jpg
```
Compress ```image1.jpg```, located in the ```home``` directory, into a folder called ```output``` with lossy compression and quality set to 80
@ -35,12 +35,12 @@ $ caesiumclt -q 80 -o ~/output/ ~/image.jpg
Losslessly compress ```image1.jpg```, located in the ```home``` directory, into a folder called ```output``` and keeps EXIF metadata
```
$ caesiumclt -l -e -o ~/output/ ~/image.jpg
$ caesiumclt -q 0 -e -o ~/output/ ~/image.jpg
```
Losslessly compress ```Pictures``` folder and subfolders, located in the ```home``` directory, into a folder called ```output```
```
$ caesiumclt -l -R -o ~/output/ ~/Pictures
$ caesiumclt -q 0 -R -o ~/output/ ~/Pictures
```
----------
@ -57,6 +57,7 @@ $ caesiumclt -l -R -o ~/output/ ~/Pictures
----------
###### CHANGELOG
* 0.10.0-beta - Switched to cmake and libcaesium
* 0.9.1-beta - Initial development stage
Check the [Commits](https://github.com/Lymphatus/CaesiumCLT/commits/master) for a detailed list of changes.

58
src/helper.c
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@ -1,12 +1,13 @@
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "helper.h"
#include "optparse.h"
#include "utils.h"
void initialize_jpeg_parameters(cs_image_pars *options)
{
options->jpeg.quality = 65;
options->jpeg.quality = 0;
options->jpeg.exif_copy = false;
options->jpeg.dct_method = 2048;
options->jpeg.width = 0;
@ -33,19 +34,18 @@ cs_image_pars initialize_parameters()
return options;
}
cs_image_pars parse_arguments(int argc, char **argv)
cclt_options parse_arguments(char **argv, cs_image_pars *options)
{
struct optparse options;
//Initialize the default parameters
cs_image_pars result = initialize_parameters();
struct optparse opts;
//Initialize application options
cclt_options result = {NULL, NULL, false, false, 0};
//Parse command line args
optparse_init(&options, argv);
optparse_init(&opts, argv);
struct optparse_long longopts[] = {
{"quality", 'q', OPTPARSE_REQUIRED},
{"exif", 'e', OPTPARSE_NONE},
{"output", 'o', OPTPARSE_REQUIRED},
{"lossless", 'l', OPTPARSE_NONE},
{"recursive", 'R', OPTPARSE_NONE},
{"keep-structure", 'S', OPTPARSE_NONE},
{"version", 'v', OPTPARSE_NONE},
@ -54,44 +54,58 @@ cs_image_pars parse_arguments(int argc, char **argv)
};
int option;
while ((option = optparse_long(&options, longopts, NULL)) != -1) {
while ((option = optparse_long(&opts, longopts, NULL)) != -1) {
switch (option) {
case 'q':
result.jpeg.quality = atoi(options.optarg);
options->jpeg.quality = atoi(opts.optarg);
break;
case 'e':
result.jpeg.exif_copy = true;
options->jpeg.exif_copy = true;
break;
case 'o':
//TODO General args
break;
case 'l':
result.jpeg.quality = 0;
result.output_folder = malloc((strlen(opts.optarg) + 1) * sizeof(char));
strncpy(result.output_folder, opts.optarg, strlen(opts.optarg) + 1);
break;
case 'R':
//TODO General args
result.recursive = true;
break;
case 'S':
//TODO General args
result.keep_structure = true;
break;
case 'v':
fprintf(stdout,
"%s-%d\n", APP_VERSION_STRING, BUILD);
fprintf(stdout, "%s-%d\n", APP_VERSION_STRING, BUILD);
exit(EXIT_SUCCESS);
case 'h':
print_help();
break;
case '?':
default:
fprintf(stderr, "%s: %s\n", argv[0], options.errmsg);
fprintf(stderr, "%s: %s\n", argv[0], opts.errmsg);
exit(EXIT_FAILURE);
}
}
/* Print remaining arguments. */
//Remaining arguments
char *arg;
while ((arg = optparse_arg(&options)))
printf("%s\n", arg);
bool files_flag = false, folders_flag = false;
while ((arg = optparse_arg(&opts))) {
//TODO Check if there's a folder and change behaviour accordingly
//Check if it's a directory and add its content
if (is_directory(arg)) {
//NOTE Scanning a folder with this function does not check if we are actually getting images
//The actual check is performed by the library
} else {
result.input_files = realloc(result.input_files, (result.files_count + 1) * sizeof(char*));
result.input_files[result.files_count] = malloc((strlen(arg) + 1) * sizeof(char));
strncpy(result.input_files[result.files_count], arg, strlen(opts.optarg) + 1);
result.files_count++;
}
//If there're files and folders, we cannot keep the structure
//TODO Trigger a warning
result.keep_structure = !(files_flag && folders_flag);
}
return result;
}

11
src/helper.h
View File

@ -3,12 +3,21 @@
#include <caesium.h>
typedef struct cclt_options {
char **input_files;
char *output_folder;
bool recursive;
bool keep_structure;
int files_count;
} cclt_options;
void initialize_jpeg_parameters(cs_image_pars *options);
void initialize_png_parameters(cs_image_pars *options);
cs_image_pars initialize_parameters();
cs_image_pars parse_arguments(int argc, char *argv[]);
cclt_options parse_arguments(char *argv[], cs_image_pars *options);
#endif //CAESIUM_CLT_HELPER_H

23
src/main.c
View File

@ -2,19 +2,36 @@
#include <time.h>
#include <stdio.h>
#include <errno.h>
#include <caesium.h>
#include "utils.h"
#include "helper.h"
int main(int argc, char* argv[]) {
errno = 0;
long execution_ms = 0;
//TODO Parse arguments
cs_image_pars compress_options;
cclt_options options;
//Initialize the default parameters
compress_options = initialize_parameters();
options = parse_arguments(argv, &compress_options);
//Start a timer before calling the compression
clock_t start = clock(), diff;
//TODO Compress here
//start(input_files, output_folder, options);
//start(input_files, output_folder, &options);
printf("%s\n", options.output_folder);
for (int i = 0; i < options.files_count; i++) {
printf("%s\n", options.input_files[i]);
}
scan_folder("/Users/lymphatus/Documents/Progetti/C/caesium-clt/samples");
//Cleanup the two memory allocated objects
free(options.output_folder);
free(options.input_files);
//Get the difference
diff = clock() - start;
@ -24,4 +41,6 @@ int main(int argc, char* argv[]) {
fprintf(stdout,
"Performed in %lum%lus%lums\n",
execution_ms / 1000 / 60, execution_ms / 1000 % 60, execution_ms % 1000);
exit(EXIT_SUCCESS);
}

804
src/tinydir.h Normal file
View File

@ -0,0 +1,804 @@
/*
Copyright (c) 2013-2016, tinydir authors:
- Cong Xu
- Lautis Sun
- Baudouin Feildel
- Andargor <andargor@yahoo.com>
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TINYDIR_H
#define TINYDIR_H
#ifdef __cplusplus
extern "C" {
#endif
#if ((defined _UNICODE) && !(defined UNICODE))
#define UNICODE
#endif
#if ((defined UNICODE) && !(defined _UNICODE))
#define _UNICODE
#endif
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#ifdef _MSC_VER
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
# include <tchar.h>
# pragma warning(push)
# pragma warning (disable : 4996)
#else
# include <dirent.h>
# include <libgen.h>
# include <sys/stat.h>
# include <stddef.h>
#endif
#ifdef __MINGW32__
# include <tchar.h>
#endif
/* types */
/* Windows UNICODE wide character support */
#if defined _MSC_VER || defined __MINGW32__
#define _tinydir_char_t TCHAR
#define TINYDIR_STRING(s) _TEXT(s)
#define _tinydir_strlen _tcslen
#define _tinydir_strcpy _tcscpy
#define _tinydir_strcat _tcscat
#define _tinydir_strcmp _tcscmp
#define _tinydir_strrchr _tcsrchr
#define _tinydir_strncmp _tcsncmp
#else
#define _tinydir_char_t char
#define TINYDIR_STRING(s) s
#define _tinydir_strlen strlen
#define _tinydir_strcpy strcpy
#define _tinydir_strcat strcat
#define _tinydir_strcmp strcmp
#define _tinydir_strrchr strrchr
#define _tinydir_strncmp strncmp
#endif
#if (defined _MSC_VER || defined __MINGW32__)
#include <windows.h>
#define _TINYDIR_PATH_MAX MAX_PATH
#elif defined __linux__
#include <linux/limits.h>
#define _TINYDIR_PATH_MAX PATH_MAX
#else
#define _TINYDIR_PATH_MAX 4096
#endif
#ifdef _MSC_VER
/* extra chars for the "\\*" mask */
# define _TINYDIR_PATH_EXTRA 2
#else
# define _TINYDIR_PATH_EXTRA 0
#endif
#define _TINYDIR_FILENAME_MAX 256
#if (defined _MSC_VER || defined __MINGW32__)
#define _TINYDIR_DRIVE_MAX 3
#endif
#ifdef _MSC_VER
# define _TINYDIR_FUNC static __inline
#elif !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L
# define _TINYDIR_FUNC static __inline__
#else
# define _TINYDIR_FUNC static inline
#endif
/* readdir_r usage; define TINYDIR_USE_READDIR_R to use it (if supported) */
#ifdef TINYDIR_USE_READDIR_R
/* readdir_r is a POSIX-only function, and may not be available under various
* environments/settings, e.g. MinGW. Use readdir fallback */
#if _POSIX_C_SOURCE >= 1 || _XOPEN_SOURCE || _BSD_SOURCE || _SVID_SOURCE ||\
_POSIX_SOURCE
# define _TINYDIR_HAS_READDIR_R
#endif
#if _POSIX_C_SOURCE >= 200112L
# define _TINYDIR_HAS_FPATHCONF
# include <unistd.h>
#endif
#if _BSD_SOURCE || _SVID_SOURCE || \
(_POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700)
# define _TINYDIR_HAS_DIRFD
# include <sys/types.h>
#endif
#if defined _TINYDIR_HAS_FPATHCONF && defined _TINYDIR_HAS_DIRFD &&\
defined _PC_NAME_MAX
# define _TINYDIR_USE_FPATHCONF
#endif
#if defined __MINGW32__ || !defined _TINYDIR_HAS_READDIR_R ||\
!(defined _TINYDIR_USE_FPATHCONF || defined NAME_MAX)
# define _TINYDIR_USE_READDIR
#endif
/* Use readdir by default */
#else
# define _TINYDIR_USE_READDIR
#endif
/* MINGW32 has two versions of dirent, ASCII and UNICODE*/
#ifndef _MSC_VER
#if (defined __MINGW32__) && (defined _UNICODE)
#define _TINYDIR_DIR _WDIR
#define _tinydir_dirent _wdirent
#define _tinydir_opendir _wopendir
#define _tinydir_readdir _wreaddir
#define _tinydir_closedir _wclosedir
#else
#define _TINYDIR_DIR DIR
#define _tinydir_dirent dirent
#define _tinydir_opendir opendir
#define _tinydir_readdir readdir
#define _tinydir_closedir closedir
#endif
#endif
/* Allow user to use a custom allocator by defining _TINYDIR_MALLOC and _TINYDIR_FREE. */
#if defined(_TINYDIR_MALLOC) && defined(_TINYDIR_FREE)
#elif !defined(_TINYDIR_MALLOC) && !defined(_TINYDIR_FREE)
#else
#error "Either define both alloc and free or none of them!"
#endif
#if !defined(_TINYDIR_MALLOC)
#define _TINYDIR_MALLOC(_size) malloc(_size)
#define _TINYDIR_FREE(_ptr) free(_ptr)
#endif /* !defined(_TINYDIR_MALLOC) */
typedef struct tinydir_file
{
_tinydir_char_t path[_TINYDIR_PATH_MAX];
_tinydir_char_t name[_TINYDIR_FILENAME_MAX];
_tinydir_char_t *extension;
int is_dir;
int is_reg;
#ifndef _MSC_VER
#ifdef __MINGW32__
struct _stat _s;
#else
struct stat _s;
#endif
#endif
} tinydir_file;
typedef struct tinydir_dir
{
_tinydir_char_t path[_TINYDIR_PATH_MAX];
int has_next;
size_t n_files;
tinydir_file *_files;
#ifdef _MSC_VER
HANDLE _h;
WIN32_FIND_DATA _f;
#else
_TINYDIR_DIR *_d;
struct _tinydir_dirent *_e;
#ifndef _TINYDIR_USE_READDIR
struct _tinydir_dirent *_ep;
#endif
#endif
} tinydir_dir;
/* declarations */
_TINYDIR_FUNC
int tinydir_open(tinydir_dir *dir, const _tinydir_char_t *path);
_TINYDIR_FUNC
int tinydir_open_sorted(tinydir_dir *dir, const _tinydir_char_t *path);
_TINYDIR_FUNC
void tinydir_close(tinydir_dir *dir);
_TINYDIR_FUNC
int tinydir_next(tinydir_dir *dir);
_TINYDIR_FUNC
int tinydir_readfile(const tinydir_dir *dir, tinydir_file *file);
_TINYDIR_FUNC
int tinydir_readfile_n(const tinydir_dir *dir, tinydir_file *file, size_t i);
_TINYDIR_FUNC
int tinydir_open_subdir_n(tinydir_dir *dir, size_t i);
_TINYDIR_FUNC
int tinydir_file_open(tinydir_file *file, const _tinydir_char_t *path);
_TINYDIR_FUNC
void _tinydir_get_ext(tinydir_file *file);
_TINYDIR_FUNC
int _tinydir_file_cmp(const void *a, const void *b);
#ifndef _MSC_VER
#ifndef _TINYDIR_USE_READDIR
_TINYDIR_FUNC
size_t _tinydir_dirent_buf_size(_TINYDIR_DIR *dirp);
#endif
#endif
/* definitions*/
_TINYDIR_FUNC
int tinydir_open(tinydir_dir *dir, const _tinydir_char_t *path)
{
#ifndef _MSC_VER
#ifndef _TINYDIR_USE_READDIR
int error;
int size; /* using int size */
#endif
#else
_tinydir_char_t path_buf[_TINYDIR_PATH_MAX];
#endif
_tinydir_char_t *pathp;
if (dir == NULL || path == NULL || _tinydir_strlen(path) == 0)
{
errno = EINVAL;
return -1;
}
if (_tinydir_strlen(path) + _TINYDIR_PATH_EXTRA >= _TINYDIR_PATH_MAX)
{
errno = ENAMETOOLONG;
return -1;
}
/* initialise dir */
dir->_files = NULL;
#ifdef _MSC_VER
dir->_h = INVALID_HANDLE_VALUE;
#else
dir->_d = NULL;
#ifndef _TINYDIR_USE_READDIR
dir->_ep = NULL;
#endif
#endif
tinydir_close(dir);
_tinydir_strcpy(dir->path, path);
/* Remove trailing slashes */
pathp = &dir->path[_tinydir_strlen(dir->path) - 1];
while (pathp != dir->path && (*pathp == TINYDIR_STRING('\\') || *pathp == TINYDIR_STRING('/')))
{
*pathp = TINYDIR_STRING('\0');
pathp++;
}
#ifdef _MSC_VER
_tinydir_strcpy(path_buf, dir->path);
_tinydir_strcat(path_buf, TINYDIR_STRING("\\*"));
dir->_h = FindFirstFile(path_buf, &dir->_f);
if (dir->_h == INVALID_HANDLE_VALUE)
{
errno = ENOENT;
#else
dir->_d = _tinydir_opendir(path);
if (dir->_d == NULL)
{
#endif
goto bail;
}
/* read first file */
dir->has_next = 1;
#ifndef _MSC_VER
#ifdef _TINYDIR_USE_READDIR
dir->_e = _tinydir_readdir(dir->_d);
#else
/* allocate dirent buffer for readdir_r */
size = _tinydir_dirent_buf_size(dir->_d); /* conversion to int */
if (size == -1) return -1;
dir->_ep = (struct _tinydir_dirent*)_TINYDIR_MALLOC(size);
if (dir->_ep == NULL) return -1;
error = readdir_r(dir->_d, dir->_ep, &dir->_e);
if (error != 0) return -1;
#endif
if (dir->_e == NULL)
{
dir->has_next = 0;
}
#endif
return 0;
bail:
tinydir_close(dir);
return -1;
}
_TINYDIR_FUNC
int tinydir_open_sorted(tinydir_dir *dir, const _tinydir_char_t *path)
{
/* Count the number of files first, to pre-allocate the files array */
size_t n_files = 0;
if (tinydir_open(dir, path) == -1)
{
return -1;
}
while (dir->has_next)
{
n_files++;
if (tinydir_next(dir) == -1)
{
goto bail;
}
}
tinydir_close(dir);
if (tinydir_open(dir, path) == -1)
{
return -1;
}
dir->n_files = 0;
dir->_files = (tinydir_file *)_TINYDIR_MALLOC(sizeof *dir->_files * n_files);
if (dir->_files == NULL)
{
goto bail;
}
while (dir->has_next)
{
tinydir_file *p_file;
dir->n_files++;
p_file = &dir->_files[dir->n_files - 1];
if (tinydir_readfile(dir, p_file) == -1)
{
goto bail;
}
if (tinydir_next(dir) == -1)
{
goto bail;
}
/* Just in case the number of files has changed between the first and
second reads, terminate without writing into unallocated memory */
if (dir->n_files == n_files)
{
break;
}
}
qsort(dir->_files, dir->n_files, sizeof(tinydir_file), _tinydir_file_cmp);
return 0;
bail:
tinydir_close(dir);
return -1;
}
_TINYDIR_FUNC
void tinydir_close(tinydir_dir *dir)
{
if (dir == NULL)
{
return;
}
memset(dir->path, 0, sizeof(dir->path));
dir->has_next = 0;
dir->n_files = 0;
_TINYDIR_FREE(dir->_files);
dir->_files = NULL;
#ifdef _MSC_VER
if (dir->_h != INVALID_HANDLE_VALUE)
{
FindClose(dir->_h);
}
dir->_h = INVALID_HANDLE_VALUE;
#else
if (dir->_d)
{
_tinydir_closedir(dir->_d);
}
dir->_d = NULL;
dir->_e = NULL;
#ifndef _TINYDIR_USE_READDIR
_TINYDIR_FREE(dir->_ep);
dir->_ep = NULL;
#endif
#endif
}
_TINYDIR_FUNC
int tinydir_next(tinydir_dir *dir)
{
if (dir == NULL)
{
errno = EINVAL;
return -1;
}
if (!dir->has_next)
{
errno = ENOENT;
return -1;
}
#ifdef _MSC_VER
if (FindNextFile(dir->_h, &dir->_f) == 0)
#else
#ifdef _TINYDIR_USE_READDIR
dir->_e = _tinydir_readdir(dir->_d);
#else
if (dir->_ep == NULL)
{
return -1;
}
if (readdir_r(dir->_d, dir->_ep, &dir->_e) != 0)
{
return -1;
}
#endif
if (dir->_e == NULL)
#endif
{
dir->has_next = 0;
#ifdef _MSC_VER
if (GetLastError() != ERROR_SUCCESS &&
GetLastError() != ERROR_NO_MORE_FILES)
{
tinydir_close(dir);
errno = EIO;
return -1;
}
#endif
}
return 0;
}
_TINYDIR_FUNC
int tinydir_readfile(const tinydir_dir *dir, tinydir_file *file)
{
if (dir == NULL || file == NULL)
{
errno = EINVAL;
return -1;
}
#ifdef _MSC_VER
if (dir->_h == INVALID_HANDLE_VALUE)
#else
if (dir->_e == NULL)
#endif
{
errno = ENOENT;
return -1;
}
if (_tinydir_strlen(dir->path) +
_tinydir_strlen(
#ifdef _MSC_VER
dir->_f.cFileName
#else
dir->_e->d_name
#endif
) + 1 + _TINYDIR_PATH_EXTRA >=
_TINYDIR_PATH_MAX)
{
/* the path for the file will be too long */
errno = ENAMETOOLONG;
return -1;
}
if (_tinydir_strlen(
#ifdef _MSC_VER
dir->_f.cFileName
#else
dir->_e->d_name
#endif
) >= _TINYDIR_FILENAME_MAX)
{
errno = ENAMETOOLONG;
return -1;
}
_tinydir_strcpy(file->path, dir->path);
_tinydir_strcat(file->path, TINYDIR_STRING("/"));
_tinydir_strcpy(file->name,
#ifdef _MSC_VER
dir->_f.cFileName
#else
dir->_e->d_name
#endif
);
_tinydir_strcat(file->path, file->name);
#ifndef _MSC_VER
#ifdef __MINGW32__
if (_tstat(
#else
if (stat(
#endif
file->path, &file->_s) == -1)
{
return -1;
}
#endif
_tinydir_get_ext(file);
file->is_dir =
#ifdef _MSC_VER
!!(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
#else
S_ISDIR(file->_s.st_mode);
#endif
file->is_reg =
#ifdef _MSC_VER
!!(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_NORMAL) ||
(
!(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_DEVICE) &&
!(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
!(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_ENCRYPTED) &&
#ifdef FILE_ATTRIBUTE_INTEGRITY_STREAM
!(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_INTEGRITY_STREAM) &&
#endif
#ifdef FILE_ATTRIBUTE_NO_SCRUB_DATA
!(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_NO_SCRUB_DATA) &&
#endif
!(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_OFFLINE) &&
!(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_TEMPORARY));
#else
S_ISREG(file->_s.st_mode);
#endif
return 0;
}
_TINYDIR_FUNC
int tinydir_readfile_n(const tinydir_dir *dir, tinydir_file *file, size_t i)
{
if (dir == NULL || file == NULL)
{
errno = EINVAL;
return -1;
}
if (i >= dir->n_files)
{
errno = ENOENT;
return -1;
}
memcpy(file, &dir->_files[i], sizeof(tinydir_file));
_tinydir_get_ext(file);
return 0;
}
_TINYDIR_FUNC
int tinydir_open_subdir_n(tinydir_dir *dir, size_t i)
{
_tinydir_char_t path[_TINYDIR_PATH_MAX];
if (dir == NULL)
{
errno = EINVAL;
return -1;
}
if (i >= dir->n_files || !dir->_files[i].is_dir)
{
errno = ENOENT;
return -1;
}
_tinydir_strcpy(path, dir->_files[i].path);
tinydir_close(dir);
if (tinydir_open_sorted(dir, path) == -1)
{
return -1;
}
return 0;
}
/* Open a single file given its path */
_TINYDIR_FUNC
int tinydir_file_open(tinydir_file *file, const _tinydir_char_t *path)
{
tinydir_dir dir;
int result = 0;
int found = 0;
_tinydir_char_t dir_name_buf[_TINYDIR_PATH_MAX];
_tinydir_char_t file_name_buf[_TINYDIR_FILENAME_MAX];
_tinydir_char_t *dir_name;
_tinydir_char_t *base_name;
#if (defined _MSC_VER || defined __MINGW32__)
_tinydir_char_t drive_buf[_TINYDIR_DRIVE_MAX];
_tinydir_char_t ext_buf[_TINYDIR_FILENAME_MAX];
#endif
if (file == NULL || path == NULL || _tinydir_strlen(path) == 0)
{
errno = EINVAL;
return -1;
}
if (_tinydir_strlen(path) + _TINYDIR_PATH_EXTRA >= _TINYDIR_PATH_MAX)
{
errno = ENAMETOOLONG;
return -1;
}
/* Get the parent path */
#if (defined _MSC_VER || defined __MINGW32__)
#if ((defined _MSC_VER) && (_MSC_VER >= 1400))
_tsplitpath_s(
path,
drive_buf, _TINYDIR_DRIVE_MAX,
dir_name_buf, _TINYDIR_FILENAME_MAX,
file_name_buf, _TINYDIR_FILENAME_MAX,
ext_buf, _TINYDIR_FILENAME_MAX);
#else
_tsplitpath(
path,
drive_buf,
dir_name_buf,
file_name_buf,
ext_buf);
#endif
/* _splitpath_s not work fine with only filename and widechar support */
#ifdef _UNICODE
if (drive_buf[0] == L'\xFEFE')
drive_buf[0] = '\0';
if (dir_name_buf[0] == L'\xFEFE')
dir_name_buf[0] = '\0';
#endif
if (errno)
{
errno = EINVAL;
return -1;
}
/* Emulate the behavior of dirname by returning "." for dir name if it's
empty */
if (drive_buf[0] == '\0' && dir_name_buf[0] == '\0')
{
_tinydir_strcpy(dir_name_buf, TINYDIR_STRING("."));
}
/* Concatenate the drive letter and dir name to form full dir name */
_tinydir_strcat(drive_buf, dir_name_buf);
dir_name = drive_buf;
/* Concatenate the file name and extension to form base name */
_tinydir_strcat(file_name_buf, ext_buf);
base_name = file_name_buf;
#else
_tinydir_strcpy(dir_name_buf, path);
dir_name = dirname(dir_name_buf);
_tinydir_strcpy(file_name_buf, path);
base_name =basename(file_name_buf);
#endif
/* Open the parent directory */
if (tinydir_open(&dir, dir_name) == -1)
{
return -1;
}
/* Read through the parent directory and look for the file */
while (dir.has_next)
{
if (tinydir_readfile(&dir, file) == -1)
{
result = -1;
goto bail;
}
if (_tinydir_strcmp(file->name, base_name) == 0)
{
/* File found */
found = 1;
break;
}
tinydir_next(&dir);
}
if (!found)
{
result = -1;
errno = ENOENT;
}
bail:
tinydir_close(&dir);
return result;
}
_TINYDIR_FUNC
void _tinydir_get_ext(tinydir_file *file)
{
_tinydir_char_t *period = _tinydir_strrchr(file->name, TINYDIR_STRING('.'));
if (period == NULL)
{
file->extension = &(file->name[_tinydir_strlen(file->name)]);
}
else
{
file->extension = period + 1;
}
}
_TINYDIR_FUNC
int _tinydir_file_cmp(const void *a, const void *b)
{
const tinydir_file *fa = (const tinydir_file *)a;
const tinydir_file *fb = (const tinydir_file *)b;
if (fa->is_dir != fb->is_dir)
{
return -(fa->is_dir - fb->is_dir);
}
return _tinydir_strncmp(fa->name, fb->name, _TINYDIR_FILENAME_MAX);
}
#ifndef _MSC_VER
#ifndef _TINYDIR_USE_READDIR
/*
The following authored by Ben Hutchings <ben@decadent.org.uk>
from https://womble.decadent.org.uk/readdir_r-advisory.html
*/
/* Calculate the required buffer size (in bytes) for directory *
* entries read from the given directory handle. Return -1 if this *
* this cannot be done. *
* *
* This code does not trust values of NAME_MAX that are less than *
* 255, since some systems (including at least HP-UX) incorrectly *
* define it to be a smaller value. */
_TINYDIR_FUNC
size_t _tinydir_dirent_buf_size(_TINYDIR_DIR *dirp)
{
long name_max;
size_t name_end;
/* parameter may be unused */
(void)dirp;
#if defined _TINYDIR_USE_FPATHCONF
name_max = fpathconf(dirfd(dirp), _PC_NAME_MAX);
if (name_max == -1)
#if defined(NAME_MAX)
name_max = (NAME_MAX > 255) ? NAME_MAX : 255;
#else
return (size_t)(-1);
#endif
#elif defined(NAME_MAX)
name_max = (NAME_MAX > 255) ? NAME_MAX : 255;
#else
#error "buffer size for readdir_r cannot be determined"
#endif
name_end = (size_t)offsetof(struct _tinydir_dirent, d_name) + name_max + 1;
return (name_end > sizeof(struct _tinydir_dirent) ?
name_end : sizeof(struct _tinydir_dirent));
}
#endif
#endif
#ifdef __cplusplus
}
#endif
# if defined (_MSC_VER)
# pragma warning(pop)
# endif
#endif

77
src/utils.c
View File

@ -1,7 +1,11 @@
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/stat.h>
#include <caesium.h>
#include <limits.h>
#include "utils.h"
#include "tinydir.h"
void print_help()
{
@ -11,14 +15,77 @@ void print_help()
"Compress your pictures up to 90%% without visible quality loss.\n\n"
"Options:\n"
"\t-q, --quality\t\t\tset output file quality between [1-100], JPEG only\n"
"\t-q, --quality\t\t\tset output file quality between [0-100], 0 for optimization\n"
"\t-e, --exif\t\t\t\tkeeps EXIF info during compression\n"
"\t-o, --output\t\t\toutput folder\n"
"\t-l, --lossless\t\t\tuse lossless optimization\n"
"\t-R, --recursive\t\t\tif input is a folder, scan subfolders too\n"
//TODO Remove this warning
"\t-S, --keep-structure\tkeep the folder structure [Not active yet]\n"
"\t-S, --keep-structure\tkeep the folder structure [Not active yet], use with -R\n"
"\t-h, --help\t\t\t\tdisplay this help and exit\n"
"\t-v, --version\t\t\toutput version information and exit\n\n");
exit(EXIT_SUCCESS);
}
}
int is_directory(const char* path)
{
struct stat sb;
return ((stat(path, &sb) && S_ISDIR(sb.st_mode)));
}
int scan_folder(const char *directory)
{
//TODO Not recursive at all
int n = 0;
tinydir_dir dir;
tinydir_open(&dir, directory);
while (dir.has_next)
{
tinydir_file file;
tinydir_readfile(&dir, &file);
if (file.is_dir) {
if (strcmp(file.name, ".") != 0 && strcmp(file.name, "..") != 0) {
printf("%s/", file.name);
char real[PATH_MAX];
realpath(file.name, real);
scan_folder(real);
}
} else {
printf("%s\n", file.name);
}
tinydir_next(&dir);
n++;
}
tinydir_close(&dir);
return 0;
}
/*
* int n = 0;
tinydir_dir dir;
tinydir_open(&dir, directory);
while (dir.has_next) {
tinydir_file file;
tinydir_readfile(&dir, &file);
printf("%s", file.name);
if (file.is_dir && (file.name != "." && file.name != "..")) {
scan_folder(file.name);
printf("/");
} else {
tinydir_next(&dir);
n++;
}
printf("\n");
}
tinydir_close(&dir);
return 0;
*/

4
src/utils.h
View File

@ -11,4 +11,8 @@
void print_help();
int is_directory(const char* path);
int scan_folder(const char* directory);
#endif //CAESIUM_CLT_UTILS_H