From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from localhost (localhost [127.0.0.1]) by olra.theworths.org (Postfix) with ESMTP id 091A8431FC0 for ; Sun, 23 Dec 2012 17:40:12 -0800 (PST) X-Virus-Scanned: Debian amavisd-new at olra.theworths.org X-Spam-Flag: NO X-Spam-Score: 0 X-Spam-Level: X-Spam-Status: No, score=0 tagged_above=-999 required=5 tests=[none] autolearn=disabled Received: from olra.theworths.org ([127.0.0.1]) by localhost (olra.theworths.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2r6ec1GfjWXa for ; Sun, 23 Dec 2012 17:40:09 -0800 (PST) Received: from tesseract.cs.unb.ca (tesseract.cs.unb.ca [131.202.240.238]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by olra.theworths.org (Postfix) with ESMTPS id 7C1BA431FBF for ; Sun, 23 Dec 2012 17:40:02 -0800 (PST) Received: from fctnnbsc30w-156034082078.dhcp-dynamic.fibreop.nb.bellaliant.net ([156.34.82.78] helo=zancas.localnet) by tesseract.cs.unb.ca with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.72) (envelope-from ) id 1Tmx1L-0008Km-Ek; Sun, 23 Dec 2012 21:40:00 -0400 Received: from bremner by zancas.localnet with local (Exim 4.80) (envelope-from ) id 1Tmx1F-0002nQ-Ul; Sun, 23 Dec 2012 21:39:54 -0400 From: david@tethera.net To: notmuch@notmuchmail.org Subject: [Patch v9 03/17] notmuch-tag.c: convert to use tag-utils Date: Sun, 23 Dec 2012 21:39:29 -0400 Message-Id: <1356313183-9266-4-git-send-email-david@tethera.net> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1356313183-9266-1-git-send-email-david@tethera.net> References: <1356313183-9266-1-git-send-email-david@tethera.net> X-Spam_bar: - Cc: David Bremner X-BeenThere: notmuch@notmuchmail.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: "Use and development of the notmuch mail system." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Dec 2012 01:40:12 -0000 From: David Bremner Command line parsing is factored out into a function parse_tag_command_line in tag-utils.c. There is some duplicated code eliminated in tag_query, and a bunch of translation from using the bare tag_op structs to using that tag-utils API. --- notmuch-tag.c | 109 +++++++++++++-------------------------------------------- tag-util.c | 51 +++++++++++++++++++++++++-- tag-util.h | 15 ++++++++ 3 files changed, 89 insertions(+), 86 deletions(-) diff --git a/notmuch-tag.c b/notmuch-tag.c index 88d559b..0965ee7 100644 --- a/notmuch-tag.c +++ b/notmuch-tag.c @@ -19,6 +19,7 @@ */ #include "notmuch-client.h" +#include "tag-util.h" static volatile sig_atomic_t interrupted; @@ -54,14 +55,9 @@ _escape_tag (char *buf, const char *tag) return buf; } -typedef struct { - const char *tag; - notmuch_bool_t remove; -} tag_operation_t; - static char * _optimize_tag_query (void *ctx, const char *orig_query_string, - const tag_operation_t *tag_ops) + const tag_op_list_t *list) { /* This is subtler than it looks. Xapian ignores the '-' operator * at the beginning both queries and parenthesized groups and, @@ -73,19 +69,20 @@ _optimize_tag_query (void *ctx, const char *orig_query_string, char *escaped, *query_string; const char *join = ""; - int i; + size_t i; unsigned int max_tag_len = 0; /* Don't optimize if there are no tag changes. */ - if (tag_ops[0].tag == NULL) + if (tag_op_list_size (list) == 0) return talloc_strdup (ctx, orig_query_string); /* Allocate a buffer for escaping tags. This is large enough to * hold a fully escaped tag with every character doubled plus * enclosing quotes and a NUL. */ - for (i = 0; tag_ops[i].tag; i++) - if (strlen (tag_ops[i].tag) > max_tag_len) - max_tag_len = strlen (tag_ops[i].tag); + for (i = 0; i < tag_op_list_size (list); i++) + if (strlen (tag_op_list_tag (list, i)) > max_tag_len) + max_tag_len = strlen (tag_op_list_tag (list, i)); + escaped = talloc_array (ctx, char, max_tag_len * 2 + 3); if (! escaped) return NULL; @@ -96,11 +93,11 @@ _optimize_tag_query (void *ctx, const char *orig_query_string, else query_string = talloc_asprintf (ctx, "( %s ) and (", orig_query_string); - for (i = 0; tag_ops[i].tag && query_string; i++) { + for (i = 0; i < tag_op_list_size (list) && query_string; i++) { query_string = talloc_asprintf_append_buffer ( query_string, "%s%stag:%s", join, - tag_ops[i].remove ? "" : "not ", - _escape_tag (escaped, tag_ops[i].tag)); + tag_op_list_isremove (list, i) ? "" : "not ", + _escape_tag (escaped, tag_op_list_tag (list, i))); join = " or "; } @@ -111,17 +108,15 @@ _optimize_tag_query (void *ctx, const char *orig_query_string, return query_string; } -/* Tag messages matching 'query_string' according to 'tag_ops', which - * must be an array of tagging operations terminated with an empty - * element. */ +/* Tag messages matching 'query_string' according to 'tag_ops' + */ static int tag_query (void *ctx, notmuch_database_t *notmuch, const char *query_string, - tag_operation_t *tag_ops, notmuch_bool_t synchronize_flags) + tag_op_list_t *tag_ops, tag_op_flag_t flags) { notmuch_query_t *query; notmuch_messages_t *messages; notmuch_message_t *message; - int i; /* Optimize the query so it excludes messages that already have * the specified set of tags. */ @@ -144,21 +139,7 @@ tag_query (void *ctx, notmuch_database_t *notmuch, const char *query_string, notmuch_messages_valid (messages) && ! interrupted; notmuch_messages_move_to_next (messages)) { message = notmuch_messages_get (messages); - - notmuch_message_freeze (message); - - for (i = 0; tag_ops[i].tag; i++) { - if (tag_ops[i].remove) - notmuch_message_remove_tag (message, tag_ops[i].tag); - else - notmuch_message_add_tag (message, tag_ops[i].tag); - } - - notmuch_message_thaw (message); - - if (synchronize_flags) - notmuch_message_tags_to_maildir_flags (message); - + tag_op_list_apply (message, tag_ops, flags | TAG_FLAG_PRE_OPTIMIZED); notmuch_message_destroy (message); } @@ -170,15 +151,13 @@ tag_query (void *ctx, notmuch_database_t *notmuch, const char *query_string, int notmuch_tag_command (void *ctx, int argc, char *argv[]) { - tag_operation_t *tag_ops; - int tag_ops_count = 0; - char *query_string; + tag_op_list_t *tag_ops = NULL; + char *query_string = NULL; notmuch_config_t *config; notmuch_database_t *notmuch; struct sigaction action; - notmuch_bool_t synchronize_flags; - int i; - int ret; + tag_op_flag_t tag_flags = TAG_FLAG_NONE; + int ret = 0; /* Setup our handler for SIGINT */ memset (&action, 0, sizeof (struct sigaction)); @@ -187,54 +166,15 @@ notmuch_tag_command (void *ctx, int argc, char *argv[]) action.sa_flags = SA_RESTART; sigaction (SIGINT, &action, NULL); - argc--; argv++; /* skip subcommand argument */ - - /* Array of tagging operations (add or remove), terminated with an - * empty element. */ - tag_ops = talloc_array (ctx, tag_operation_t, argc + 1); + tag_ops = tag_op_list_create (ctx); if (tag_ops == NULL) { fprintf (stderr, "Out of memory.\n"); return 1; } - for (i = 0; i < argc; i++) { - if (strcmp (argv[i], "--") == 0) { - i++; - break; - } - if (argv[i][0] == '+' || argv[i][0] == '-') { - if (argv[i][0] == '+' && argv[i][1] == '\0') { - fprintf (stderr, "Error: tag names cannot be empty.\n"); - return 1; - } - if (argv[i][0] == '+' && argv[i][1] == '-') { - /* This disallows adding the non-removable tag "-" and - * enables notmuch tag to take long options in the - * future. */ - fprintf (stderr, "Error: tag names must not start with '-'.\n"); - return 1; - } - tag_ops[tag_ops_count].tag = argv[i] + 1; - tag_ops[tag_ops_count].remove = (argv[i][0] == '-'); - tag_ops_count++; - } else { - break; - } - } - - tag_ops[tag_ops_count].tag = NULL; - - if (tag_ops_count == 0) { - fprintf (stderr, "Error: 'notmuch tag' requires at least one tag to add or remove.\n"); - return 1; - } - - query_string = query_string_from_args (ctx, argc - i, &argv[i]); - - if (*query_string == '\0') { - fprintf (stderr, "Error: notmuch tag requires at least one search term.\n"); + if (parse_tag_command_line (ctx, argc - 1, argv + 1, + &query_string, tag_ops)) return 1; - } config = notmuch_config_open (ctx, NULL, NULL); if (config == NULL) @@ -244,9 +184,10 @@ notmuch_tag_command (void *ctx, int argc, char *argv[]) NOTMUCH_DATABASE_MODE_READ_WRITE, ¬much)) return 1; - synchronize_flags = notmuch_config_get_maildir_synchronize_flags (config); + if (notmuch_config_get_maildir_synchronize_flags (config)) + tag_flags |= TAG_FLAG_MAILDIR_SYNC; - ret = tag_query (ctx, notmuch, query_string, tag_ops, synchronize_flags); + ret = tag_query (ctx, notmuch, query_string, tag_ops, tag_flags); notmuch_database_destroy (notmuch); diff --git a/tag-util.c b/tag-util.c index d0cd27d..935c8d9 100644 --- a/tag-util.c +++ b/tag-util.c @@ -45,8 +45,9 @@ illegal_tag (const char *tag, notmuch_bool_t remove) if (*tag == '\0' && ! remove) return "empty tag forbidden"; - /* This disallows adding the non-removable tag "-" and - * enables notmuch tag to take long options more easily. + /* This disallows adding tags starting with "-", in particular the + * non-removable tag "-" and enables notmuch tag to take long + * options more easily. */ if (*tag == '-' && ! remove) @@ -163,6 +164,52 @@ parse_tag_line (void *ctx, char *line, return ret; } +tag_parse_status_t +parse_tag_command_line (void *ctx, int argc, char **argv, + char **query_str, tag_op_list_t *tag_ops) +{ + + int i; + + tag_op_list_reset (tag_ops); + + for (i = 0; i < argc; i++) { + if (strcmp (argv[i], "--") == 0) { + i++; + break; + } + + if (argv[i][0] != '+' && argv[i][0] != '-') + break; + + notmuch_bool_t is_remove = argv[i][0] == '-'; + const char *msg; + + msg = illegal_tag (argv[i] + 1, is_remove); + if (msg) { + fprintf (stderr, "Error: %s", msg); + return TAG_PARSE_INVALID; + } + + tag_op_list_append (tag_ops, argv[i] + 1, is_remove); + } + + if (tag_op_list_size (tag_ops) == 0) { + fprintf (stderr, "Error: 'notmuch tag' requires at least one tag to add or remove.\n"); + return TAG_PARSE_INVALID; + } + + *query_str = query_string_from_args (ctx, argc - i, &argv[i]); + + if (*query_str == NULL || **query_str == '\0') { + fprintf (stderr, "Error: notmuch tag requires at least one search term.\n"); + return TAG_PARSE_INVALID; + } + + return TAG_PARSE_SUCCESS; +} + + static inline void message_error (notmuch_message_t *message, notmuch_status_t status, diff --git a/tag-util.h b/tag-util.h index c07bfde..246de85 100644 --- a/tag-util.h +++ b/tag-util.h @@ -72,6 +72,21 @@ parse_tag_line (void *ctx, char *line, tag_op_flag_t flags, char **query_str, tag_op_list_t *ops); + + +/* Parse a command line of the following format: + * + * +|- [...] [--] + * + * Output Parameters: + * ops contains a list of tag operations + * query_str the search terms. + */ + +tag_parse_status_t +parse_tag_command_line (void *ctx, int argc, char **argv, + char **query_str, tag_op_list_t *ops); + /* * Create an empty list of tag operations * -- 1.7.10.4