From: David Bremner <david@tethera.net>
To: notmuch@notmuchmail.org
Cc: David Bremner <david@tethera.net>
Subject: [PATCH 14/19] WIP: add strsplit_len
Date: Sat, 8 Aug 2020 11:16:48 -0300 [thread overview]
Message-ID: <20200808141653.1124111-15-david@tethera.net> (raw)
In-Reply-To: <20200808141653.1124111-1-david@tethera.net>
---
util/string-util.c | 23 +++++++++++++++++++++++
util/string-util.h | 14 ++++++++++++++
2 files changed, 37 insertions(+)
diff --git a/util/string-util.c b/util/string-util.c
index de8430b2..27f8a26b 100644
--- a/util/string-util.c
+++ b/util/string-util.c
@@ -24,6 +24,7 @@
#include <ctype.h>
#include <errno.h>
+#include <stdbool.h>
char *
strtok_len (char *s, const char *delim, size_t *len)
@@ -37,6 +38,28 @@ strtok_len (char *s, const char *delim, size_t *len)
return *len ? s : NULL;
}
+const char *
+strsplit_len (const char *s, char delim, size_t *len)
+{
+ bool escaping = false;
+ size_t count = 0;
+
+ /* Skip initial unescaped delimiters */
+ while (*s && *s == delim)
+ s++;
+
+ while (s[count] && (escaping || s[count] != delim)) {
+ escaping = (s[count] == '\\');
+ count++;
+ }
+
+ if (count==0)
+ return NULL;
+
+ *len = count;
+ return s;
+}
+
const char *
strtok_len_c (const char *s, const char *delim, size_t *len)
{
diff --git a/util/string-util.h b/util/string-util.h
index fb95a740..80647c5f 100644
--- a/util/string-util.h
+++ b/util/string-util.h
@@ -26,6 +26,20 @@ char *strtok_len (char *s, const char *delim, size_t *len);
/* Const version of strtok_len. */
const char *strtok_len_c (const char *s, const char *delim, size_t *len);
+/* Simplified version of strtok_len, with a single delimiter.
+ * Handles escaping delimiters with \
+ * Usage pattern:
+ *
+ * const char *tok = input;
+ * const char *delim = ';';
+ * size_t tok_len = 0;
+ *
+ * while ((tok = strsplit_len (tok + tok_len, delim, &tok_len)) != NULL) {
+ * // do stuff with string tok of length tok_len
+ * }
+ */
+const char *strsplit_len (const char *s, char delim, size_t *len);
+
/* Return a talloced string with str sanitized.
*
* Whitespace characters (tabs and newlines) are replaced with spaces,
--
2.28.0
next prev parent reply other threads:[~2020-08-08 14:18 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-08 14:16 Initial implementation of merged config David Bremner
2020-08-08 14:16 ` [PATCH 01/19] test: use keys with group 'test' in T590-libconfig David Bremner
2020-08-08 14:16 ` [PATCH 02/19] lib: add stub for notmuch_database_open_with_config David Bremner
2020-08-09 7:19 ` Reto
2020-08-09 10:18 ` David Bremner
2020-08-08 14:16 ` [PATCH 03/19] lib: cache configuration information from database David Bremner
2020-08-08 14:16 ` [PATCH 04/19] WIP: add notmuch_config_get David Bremner
2020-08-08 14:16 ` [PATCH 05/19] WIP: add notmuch_config_set David Bremner
2020-08-08 14:16 ` [PATCH 06/19] WIP: initial retrieval of database path from config file David Bremner
2020-08-08 14:16 ` [PATCH 07/19] test/libconfig; use n_database_open_with_config David Bremner
2020-08-08 14:16 ` [PATCH 08/19] WIP: add _notmuch_config_load_from_file David Bremner
2020-08-08 14:16 ` [PATCH 09/19] lib: factor out feature name related code David Bremner
2020-08-08 14:16 ` [PATCH 10/19] lib: factor out prefix related code to its own file David Bremner
2020-08-08 14:16 ` [PATCH 11/19] lib: factor out notmuch_database_open* related code to " David Bremner
2020-08-08 14:16 ` [PATCH 12/19] WIP: adding fallbacks for NULL config_path David Bremner
2020-08-08 14:16 ` [PATCH 13/19] lib/config: delay setting talloc destructor David Bremner
2020-08-08 14:16 ` David Bremner [this message]
2020-08-08 14:16 ` [PATCH 15/19] WIP: add config values iterator David Bremner
2020-08-08 14:16 ` [PATCH 16/19] test: add regression test for searching with alternate config David Bremner
2020-08-08 14:16 ` [PATCH 17/19] cli/config: add accessor for config file name David Bremner
2020-08-08 14:16 ` [PATCH 18/19] WIP converting notmuch search to new style config David Bremner
2020-08-08 14:16 ` [PATCH 19/19] WIP: switch notmuch-show to new config framework David Bremner
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