[Midnightbsd-cvs] src: libexec/mport.query: add mport.query tool.

[ctriv at midnightbsd.org]

Log Message:
-----------
add mport.query tool.

Added Files:
-----------
    src/libexec/mport.query:
        Makefile (r1.1)
        mport.query.c (r1.1)

-------------- next part --------------
--- /dev/null
+++ libexec/mport.query/mport.query.c
@@ -0,0 +1,177 @@
+/*-
+ * Copyright (c) 2008 Chris Reinhardt
+ * 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 AUTHOR 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 AUTHOR 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.
+ *
+ * $MidnightBSD: src/libexec/mport.query/mport.query.c,v 1.1 2008/04/26 18:11:10 ctriv Exp $
+ */
+
+
+
+#include <sys/cdefs.h>
+__MBSDID("$MidnightBSD: src/libexec/mport.query/mport.query.c,v 1.1 2008/04/26 18:11:10 ctriv Exp $");
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <err.h>
+#include <string.h>
+#include <unistd.h>
+#include <mport.h>
+
+#define MAX_WHERE_LEN 1024
+
+static char * build_where(int, char **);
+static void usage(void);
+
+int main(int argc, char *argv[]) 
+{
+  int ch;
+  mportInstance *mport;
+  mportPackageMeta **packs;
+  char *where;
+  int quiet = 0;
+
+  if (argc == 1)
+    usage();
+    
+  while ((ch = getopt(argc, argv, "q")) != -1) {
+    switch (ch) {
+      case 'q':
+        quiet = 1;
+        break;
+      case '?':
+      default:
+        usage();
+        break; 
+    }
+  } 
+
+  argc -= optind;
+  argv += optind;
+
+  mport = mport_instance_new();
+  
+  if (mport_instance_init(mport, NULL) != MPORT_OK) {
+    warnx("%s", mport_err_string());
+    exit(1);
+  }
+
+  where = build_where(argc, argv);
+  
+  if (mport_get_meta_from_master(mport, &packs, where) != MPORT_OK) {
+    warnx("(where: %s): %s", where, mport_err_string());
+    exit(1);
+  }
+  
+  if (packs == NULL) {
+    if (!quiet)
+      warnx("No packages installed matching.");
+    exit(3);
+  }
+  
+  while (*packs != NULL) {
+    if (!quiet)
+      (void)printf("%s-%s\n", (*packs)->name, (*packs)->version);
+    packs++;
+  }
+
+  mport_instance_free(mport); 
+  
+  return 0;
+}
+
+
+static void usage() 
+{
+  fprintf(stderr, "Usage: mport.delete [-f] -n pkgname\n");
+  fprintf(stderr, "Usage: mport.delete [-f] -o origin\n");
+  exit(2);
+}
+
+
+static char * build_where(int argc, char **argv)
+{
+  char *arg, *column, *clause;
+  char *where = (char *)malloc(sizeof(char) * (MAX_WHERE_LEN));
+  char op[3];
+  int started = 0, i;
+  size_t cur;
+  
+  for (i=0; i<argc; i++) {
+    column = arg = argv[i];
+
+    if ((cur = strcspn(arg, "=><")) == strlen(arg)) {
+      warnx("No op for arg: %s", arg);
+      usage();
+    }
+    
+    /* we're being a little circumspect here because we do not want to inject anything
+       from the outside into sqlite */
+    if (arg[cur] == '>') {
+      if (arg[cur+1] == '=') {
+        strlcpy(op, ">=", sizeof(op));
+        arg += cur + 2;
+      } else {
+        strlcpy(op, ">", sizeof(op));
+        arg += cur + 1;
+      }
+    } else if (arg[cur] == '<') {
+      if (arg[cur+1] == '=') {
+        strlcpy(op, "<=", sizeof(op));
+        arg += cur + 2;
+      } else {
+        strlcpy(op, "<", sizeof(op));
+        arg += cur + 1;
+      } 
+    } else {
+      strlcpy(op, "=", sizeof(op));
+      arg += cur + 1;
+    }
+    
+    column[cur] = '\0';
+    
+    if (strcmp(column, "name") == 0) {
+      clause = sqlite3_mprintf("pkg GLOB %Q", arg);
+    } else if (strcmp(column, "origin") == 0) {
+      clause = sqlite3_mprintf("origin=%Q", arg);
+    } else if (strcmp(column, "version") == 0) {
+      clause = sqlite3_mprintf("mport_version_cmp(version, %Q)%s0", arg, op);
+    } else {
+      usage();
+    }
+    
+    if (started == 0) {
+      strlcpy(where, clause, MAX_WHERE_LEN);
+      started++;
+    } else {
+      strlcat(where, " AND ", MAX_WHERE_LEN);
+      strlcat(where, clause, MAX_WHERE_LEN);
+    }
+    
+    sqlite3_free(clause);
+  }
+  
+  return where;
+}
+
--- /dev/null
+++ libexec/mport.query/Makefile
@@ -0,0 +1,11 @@
+PROG= mport.query
+
+CFLAGS+=	-I${.CURDIR}/../../lib/libmport/
+WARNS?= 	4
+
+NO_MAN=		yes
+
+LDADD= 	${LIBMPORT} ${LIBSQLITE3} ${LIBMD} ${LIBARCHIVE} ${LIBBZ2}
+DPADD= 	${LIBMPORT} ${LIBSQLITE3} ${LIBMD} ${LIBARCHIVE} ${LIBBZ2}
+
+.include <bsd.prog.mk>