add "up" and "down" for forcing the case of their arguments

1 files changed, 65 insertions, 0 deletions

diff --git a/src/format.c b/src/format.c
index aabba07..49020fc 100644
--- a/src/format.c
+++ b/src/format.c
@@ -24,6 +24,7 @@
 #endif
 
 #include <sys/types.h>
+#include <ctype.h>
 #include <errno.h>
 #include <fnmatch.h>
 #include <regex.h>
@@ -812,6 +813,68 @@ format_merge(struct plugin_state *state, Slapi_PBlock *pb, Slapi_Entry *e,
 	return ret;
 }
 
+/* Evaluate the only argument and upper-case it. */
+static int
+format_case(struct plugin_state *state, Slapi_PBlock *pb, Slapi_Entry *e,
+	    const char *domain, const char *map,
+	    const char *args, char *outbuf, int outbuf_len,
+	    char ***ref_attrs, struct format_inref_attr ***inref_attrs,
+	    const char *fnname, int (*cb)(int))
+{
+	int ret, i, j, argc, len;
+	char **argv;
+	ret = format_parse_args(state, args, &argc, &argv);
+	if (ret != 0) {
+		slapi_log_error(SLAPI_LOG_PLUGIN, state->plugin_desc->spd_id,
+				"%s: error parsing arguments\n", fnname);
+		return -EINVAL;
+	}
+	if (argc < 1) {
+		slapi_log_error(SLAPI_LOG_PLUGIN, state->plugin_desc->spd_id,
+				"%s: requires at least one argument\n", fnname);
+		format_free_parsed_args(argv);
+		return -EINVAL;
+	}
+	for (i = 0, ret = 0; i < argc; i++) {
+		/* Get the length of this argument. */
+		len = strlen(argv[i]);
+		/* Check that we've got space for this argument. */
+		if (ret + len > outbuf_len) {
+			slapi_log_error(SLAPI_LOG_PLUGIN,
+					state->plugin_desc->spd_id,
+					"%s: out of space\n", fnname);
+			return -ENOBUFS;
+		}
+		/* Append the text of the argument. */
+		for (j = 0; j < len; j++) {
+			outbuf[ret + j] = (*cb)(argv[i][j]);
+		}
+		ret += len;
+	}
+	format_free_parsed_args(argv);
+	return ret;
+}
+
+static int
+format_up(struct plugin_state *state, Slapi_PBlock *pb, Slapi_Entry *e,
+	  const char *domain, const char *map,
+	  const char *args, char *outbuf, int outbuf_len,
+	  char ***ref_attrs, struct format_inref_attr ***inref_attrs)
+{
+	return format_case(state, pb, e, domain, map, args, outbuf, outbuf_len,
+			   ref_attrs, inref_attrs, "up", toupper);
+}
+
+static int
+format_down(struct plugin_state *state, Slapi_PBlock *pb, Slapi_Entry *e,
+	    const char *domain, const char *map,
+	    const char *args, char *outbuf, int outbuf_len,
+	    char ***ref_attrs, struct format_inref_attr ***inref_attrs)
+{
+	return format_case(state, pb, e, domain, map, args, outbuf, outbuf_len,
+			   ref_attrs, inref_attrs, "down", tolower);
+}
+
 /* Look up the entry's values for the attribute named by the first argument,
  * and use the callback to check if they match the second argument.  If we find
  * exactly one match, store it in the output buffer, otherwise store the text
@@ -1143,6 +1206,8 @@ format_lookup_fn(const char *fnname)
 			       struct format_inref_attr ***inref_attrs);
 	} fns[] = {
 		{"echo", format_echo},
+		{"up", format_up},
+		{"down", format_down},
 		{"list", format_list},
 		{"deref", format_deref},
 		{"referred", format_referred},