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authorJoseph Hunkeler <jhunkeler@gmail.com>2015-07-08 20:46:52 -0400
committerJoseph Hunkeler <jhunkeler@gmail.com>2015-07-08 20:46:52 -0400
commitfa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 (patch)
treebdda434976bc09c864f2e4fa6f16ba1952b1e555 /vendor/voclient/voapps/votsplit.c
downloadiraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz
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+/*
+ * VOTSPLIT -- Split a Multi-RESOURCE VOTable into single tables.
+ *
+ * Usage:
+ * votsplit [<otps>] <votable>
+ *
+ * @file votsplit.c
+ * @author Mike Fitzpatrick
+ * @date 6/03/12
+ *
+ * @brief Split a Multi-RESOURCE VOTable into single tables.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "votParse.h" /* keep these in order! */
+#include "voApps.h"
+
+
+
+/* Global task declarations. These should all be defined as 'static' to
+ * avoid namespace collisions.
+ */
+static int vot = 0; /* VOTable handle */
+static int do_return = 0; /* return result? */
+
+
+/* Result Buffer.
+ */
+#ifdef USE_RESBUF
+#define SZ_RESBUF 8192
+
+static char *resbuf;
+#endif
+
+
+/* Task specific option declarations. Task options are declared using the
+ * getopt_long(3) syntax.
+ */
+int votsplit (int argc, char **argv, size_t *len, void **result);
+
+static Task self = { "votsplit", votsplit, 0, 0, 0 };
+static char *opts = "hr";
+static struct option long_opts[] = {
+ { "help", 2, 0, 'h'}, /* --help is std */
+ { "return", 2, 0, 'r'}, /* --return is std */
+ { "test", 2, 0, '%'}, /* --return is std */
+ { NULL, 0, 0, 0 }
+};
+
+
+/* All tasks should declare a static Usage() method to print the help
+ * text in response to a '-h' or '--help' flag. The help text should
+ * include a usage summary, a description of options, and some examples.
+ */
+static void Usage (void);
+static void Tests (char *input);
+
+
+/**
+ * Application entry point.
+ */
+int
+votsplit (int argc, char **argv, size_t *reslen, void **result)
+{
+ char **pargv, optval[SZ_FNAME];
+ char *iname, *oname;
+ int ch = 0, status = OK, number = 0, pos = 0;
+
+
+ /* Initialize result object whether we return an object or not.
+ */
+ *reslen = 0;
+ *result = NULL;
+
+ /* Initialize local task values.
+ */
+ iname = NULL;
+ oname = NULL;
+ vot = -1;
+
+
+ /* Parse the argument list. The use of vo_paramInit() is required to
+ * rewrite the argv[] strings in a way vo_paramNext() can be used to
+ * parse them. The programmatic interface allows "param=value" to
+ * be passed in, but the getopt_long() interface requires these to
+ * be written as "--param=value" so they are not confused with
+ * positional parameters (i.e. any param w/out a leading '-').
+ */
+ pargv = vo_paramInit (argc, argv, opts, long_opts);
+ while ((ch = vo_paramNext(opts,long_opts,argc,pargv,optval,&pos)) != 0) {
+ if (ch > 0) {
+ /* If the 'ch' value is > 0 we are parsing a single letter
+ * flag as defined in the 'opts string.
+ */
+ switch (ch) {
+ case '%': Tests (optval); return (self.nfail);
+ case 'h': Usage (); return (OK);
+ case 'n': number++; break;
+ case 'o': oname = strdup (optval); break;
+ case 'r': do_return=1; break;
+ default:
+ fprintf (stderr, "Invalid option '%s'\n", optval);
+ return (1);
+ }
+
+ } else if (ch == PARG_ERR) {
+ return (ERR);
+
+ } else {
+ /* This code processes the positional arguments. The 'optval'
+ * string contains the value but since this string is
+ * overwritten w/ each arch we need to make a copy (and must
+ * remember to free it later.
+ */
+ iname = strdup (optval);
+ break;
+ }
+ }
+
+
+ /* Sanity checks. Tasks should validate input and accept stdin/stdout
+ * where it makes sense.
+ */
+ if (iname == NULL) iname = strdup ("stdin");
+ if (oname == NULL) oname = strdup ("stdout");
+ if (strcmp (iname, "-") == 0) { free (iname), iname = strdup ("stdin"); }
+ if (strcmp (oname, "-") == 0) { free (oname), oname = strdup ("stdout"); }
+
+
+
+
+ /********
+ ********
+ ********
+ ********
+ ******** Main body of task
+ ********
+ ********
+ ********
+ *******/
+
+
+
+
+ /* Clean up. Rememebr to free whatever pointers were created when
+ * parsing arguments.
+ */
+ if (iname)
+ free (iname);
+ if (oname)
+ free (oname);
+
+ vo_paramFree (argc, pargv);
+
+ return (status); /* status must be OK or ERR (i.e. 0 or 1) */
+}
+
+
+/**
+ * USAGE -- Print task help summary.
+ */
+static void
+Usage (void)
+{
+ fprintf (stderr, "\n Usage:\n\t"
+ "votsplit [<opts>] votable.xml\n\n"
+ " where\n"
+ " -%%,--test run unit tests\n"
+ " -h,--help this message\n"
+ " -n,--number number output\n"
+ " -o,--output=<file> output file\n"
+ " -r,--return return result from method\n"
+ "\n"
+ " Examples:\n\n"
+ " 1) First example\n\n"
+ " %% votsplit test.xml\n"
+ "\n"
+ " 2) Second example\n\n"
+ " %% votsplit -o pos.txt test.xml\n"
+ "\n"
+ );
+}
+
+
+/**
+ * Tests -- Task unit tests.
+ */
+static void
+Tests (char *input)
+{
+ Task *task = &self;
+
+ /* First argument must always be the 'self' variable, the last must
+ * always be a NULL to terminate the cmd args.
+ */
+ vo_taskTest (task, "--help", NULL);
+}