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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF. The full HDF copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF/releases/. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "hdf.h"
#include "hfile_priv.h"
#include "mfhdf.h"
#include "hrepack.h"
#include "hrepack_parse.h"
#include "hrepack_opttable.h"
static void usage(void);
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: hrepack main program
*
* Programmer: Pedro Vicente Nunes, pvn@ncsa.uiuc.edu
*
* Date: July 10, 2003
*
*-------------------------------------------------------------------------
*/
int
main(int argc, char **argv)
{
char *infile = NULL;
char *outfile = NULL;
options_t options; /*the global options */
int i;
int ret;
/* initialize options */
hrepack_init(&options, 0);
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-i") == 0) {
infile = argv[++i];
}
else if (strcmp(argv[i], "-o") == 0) {
outfile = argv[++i];
}
else if (strcmp(argv[i], "-h") == 0) {
goto out;
}
else if (strcmp(argv[i], "-v") == 0) {
options.verbose = 1;
}
else if (strcmp(argv[i], "-V") == 0) {
printf("%s, %s\n\n", argv[0], LIBVER_STRING);
exit(0);
}
else if (strcmp(argv[i], "-t") == 0) {
/* add the -t option */
if (hrepack_addcomp(argv[i + 1], &options) < 0)
goto out;
/* jump to next */
++i;
}
else if (strcmp(argv[i], "-c") == 0) {
/* parse the -c option */
if (hrepack_addchunk(argv[i + 1], &options) < 0)
goto out;
/* jump to next */
++i;
}
else if (strcmp(argv[i], "-m") == 0) {
options.threshold = parse_number(argv[i + 1]);
if (options.threshold == -1) {
printf("Error: Invalid threshold size <%s>\n", argv[i + 1]);
goto out;
}
++i;
}
else if (strcmp(argv[i], "-f") == 0) {
if (read_info(argv[++i], &options) < 0)
goto out;
}
else if (argv[i][0] == '-') {
goto out;
}
}
if (infile == NULL || outfile == NULL)
goto out;
/* zip it */
ret = hrepack_main(infile, outfile, &options);
/* free tables */
hrepack_end(&options);
/* unix error return code */
if (ret == -1)
return 1;
else
return 0;
out:
usage();
/* free tables */
hrepack_end(&options);
return 0;
}
/*-------------------------------------------------------------------------
* Function: usage
*
* Purpose: print usage
*
* Return: void
*
*-------------------------------------------------------------------------
*/
static void
usage(void)
{
printf("usage: hrepack -i input -o output [-V] [-h] [-v] [-t 'comp_info'] [-c 'chunk_info'] [-f cfile] "
"[-m size]\n");
printf(" -i input input HDF File\n");
printf(" -o output output HDF File\n");
printf(" [-V] prints version of the HDF4 library and exits\n");
printf(" [-h] prints this usage\n");
printf(" [-v] verbose mode\n");
printf(" [-t 'comp_info'] compression type: 'comp_info' is a string with the format\n");
printf("\t\t <object list>:<type of compression><parameters>\n");
printf("\t\t <object list> is a comma separated list of object names\n");
printf("\t\t meaning apply compression only to those objects\n");
printf("\t\t '*' means all objects\n");
printf("\t\t <type of compression> can be:\n");
printf("\t\t RLE, for RLE compression\n");
printf("\t\t HUFF, for Huffman\n");
printf("\t\t GZIP, for gzip\n");
printf("\t\t JPEG, for JPEG (for images only)\n");
printf("\t\t SZIP, for szip\n");
printf("\t\t NONE, to uncompress\n");
printf("\t\t <parameters> is optional compression info\n");
printf("\t\t RLE, no parameter\n");
printf("\t\t HUFF, the skip-size\n");
printf("\t\t GZIP, the deflation level\n");
printf("\t\t JPEG, the quality factor\n");
printf("\t\t SZIP, pixels per block, compression mode (NN or EC)\n");
printf(" [-c 'chunk_info'] apply chunking. 'chunk_info' is a string with the format\n");
printf("\t\t <object list>:<chunk information>\n");
printf("\t\t <object list> is a comma separated list of object names\n");
printf("\t\t meaning apply chunking only to those objects\n");
printf("\t\t '*' means all objects\n");
printf("\t\t <chunk information> is the chunk size of each dimension:\n");
printf("\t\t <dim_1 x dim_2 x ... dim_n> or\n");
printf("\t\t NONE, to unchunk a previous chunked object\n");
printf(" [-f cfile] file with compression information -t and -c\n");
printf(" [-m size] do not compress objects smaller than size (bytes)\n");
printf("\n");
printf("Examples:\n");
printf("\n");
printf("1) hrepack -v -i file1.hdf -o file2.hdf -t '*:RLE'\n");
printf(" compresses all objects in the file file1.hdf, using RLE compression\n");
printf("\n");
printf("2) hrepack -v -i file1.hdf -o file2.hdf -t '/group1/A,/group2/B,C:HUFF 1'\n");
printf(" applies Skipping Huffman compression with skip factor of 1,\n");
printf(" for objects /group1/A, /group2/B and C\n");
printf("\n");
printf("2) hrepack -v -i file1.hdf -o file2.hdf -t '/group1/D:RLE' -c 'D,E:10x10'\n");
printf(" applies RLE compression for object /group1/D\n");
printf(" applies chunking to objects D and E using a chunk size of 10 for the 2 dimensions\n");
printf("\n");
printf("3) hrepack -v -i file1.hdf -o file2.hdf -t 'A:NONE'\n");
printf(" uncompresses object A\n");
printf("\n");
printf("4) hrepack -v -i file1.hdf -o file2.hdf -t 'A:SZIP 8,NN'\n");
printf(" applies SZIP compression to object A, with parameters 8 and NN\n");
printf("\n");
printf("Note: the use of the verbose option -v is recommended\n");
}
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