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authorThomas White <taw@bitwiz.org.uk>2009-11-26 00:06:24 +0100
committerThomas White <taw@bitwiz.org.uk>2009-11-26 00:06:24 +0100
commit4aa293b5bbb34573386c9e58d5fe08763b890b9a (patch)
tree12463771d1fe0e537315cf8fbafdff34c47ee819 /src/pattern_sim.c
parentc275432adfec54341839aa903c19a78cde2a734c (diff)
Options processing
Diffstat (limited to 'src/pattern_sim.c')
-rw-r--r--src/pattern_sim.c49
1 files changed, 39 insertions, 10 deletions
diff --git a/src/pattern_sim.c b/src/pattern_sim.c
index 50319dce..ea7ed053 100644
--- a/src/pattern_sim.c
+++ b/src/pattern_sim.c
@@ -17,6 +17,7 @@
#include <stdio.h>
#include <string.h>
#include <unistd.h>
+#include <getopt.h>
#include "image.h"
#include "diffraction.h"
@@ -30,11 +31,21 @@
#define CRYSTAL_SIZE (500.0e-9)
-static void main_show_help(const char *s)
+static void show_help(const char *s)
{
- printf("Syntax: %s <file1.h5> <file2.h5> [...]\n\n", s);
- printf("Simulate diffraction patterns\n\n");
- printf(" -h Display this help message\n");
+ printf("Syntax: %s\n\n", s);
+ printf("Simulate diffraction patterns from small crystals\n");
+ printf(" probed with femosecond pulses from a free electron laser\n\n");
+ printf(" -h, --help Display this help message\n");
+ printf(" --simulation-details Show details of the simulation\n");
+}
+
+
+static void show_details(const char *s)
+{
+ printf("%s: Simulation Details\n\n", s);
+ printf("Simulates diffraction patterns from small crystals\n");
+ printf("probed with femtosecond pulses from a free electron laser\n\n");
}
@@ -44,20 +55,38 @@ int main(int argc, char *argv[])
struct image image;
char filename[1024];
int number = 1;
+ int config_simdetails = 0;
+
+ const struct option longopts[] = {
+ {"help", 0, NULL, 'h'},
+ {"simulation-details", 0, &config_simdetails, 1},
+ {0, 0, NULL, 0}
+ };
- while ((c = getopt(argc, argv, "h")) != -1) {
+ while ((c = getopt_long(argc, argv, "h", longopts, NULL)) != -1) {
- switch ( c ) {
+ switch (c) {
+ case 'h' : {
+ show_help(argv[0]);
+ return 0;
+ }
- case 'h' : {
- main_show_help(argv[0]);
- return 0;
- }
+ case 0 : {
+ break;
+ }
+ default : {
+ return 1;
+ }
}
}
+ if ( config_simdetails ) {
+ show_details(argv[0]);
+ return 0;
+ }
+
/* Define image parameters */
image.width = 1024;
image.height = 1024;