Command search takes limit parameter

[pazpar2-moved-to-github.git] / src / facet_limit.c

diff --git a/src/facet_limit.c b/src/facet_limit.c
new file mode 100644 (file)
index 0000000..dca5c29
--- /dev/null
+++ b/src/facet_limit.c
@@ -0,0 +1,94 @@
+/* This file is part of Pazpar2.
+   Copyright (C) 2006-2011 Index Data
+
+Pazpar2 is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+Pazpar2 is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+*/
+
+/** \file facet_limit.c
+    \brief Parse facet limit
+*/
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+#include <assert.h>
+
+#include <yaz/yaz-version.h>
+#include <yaz/nmem.h>
+
+#include "facet_limit.h"
+
+struct facet_limits {
+    NMEM nmem;
+    int num;
+    char **darray;
+};
+
+facet_limits_t facet_limits_create(const char *param)
+{
+    int i;
+    NMEM nmem = nmem_create();
+    facet_limits_t fl = nmem_malloc(nmem, sizeof(*fl));
+    fl->nmem = nmem;
+    fl->num = 0;
+    fl->darray = 0;
+    if (param)
+        nmem_strsplit_escape(fl->nmem, ",", param, &fl->darray,
+                             &fl->num, 1, '\\');
+    /* replace = with \0 .. for each item */
+    for (i = 0; i < fl->num; i++)
+    {
+        char *cp = strchr(fl->darray[i], '=');
+        if (!cp)
+        {
+            facet_limits_destroy(fl);
+            return 0;
+        }
+        *cp = '\0';
+    }
+    return fl;
+}
+
+int facet_limits_num(facet_limits_t fl)
+{
+    return fl->num;
+}
+
+const char *facet_limits_get(facet_limits_t fl, int idx, const char **value)
+{
+    if (idx >= fl->num || idx < 0)
+        return 0;
+    *value = fl->darray[idx] + strlen(fl->darray[idx]) + 1;
+    return fl->darray[idx];
+}
+
+void facet_limits_destroy(facet_limits_t fl)
+{
+    if (fl)
+        nmem_destroy(fl->nmem);
+}
+
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+