]> git.notmuchmail.org Git - notmuch/blobdiff - lib/thread.cc
lib: Eliminate some redundant includes of xapian.h
[notmuch] / lib / thread.cc
index b8be3e1b5e889f5b873fe21fe50c6a0c6038db44..7f15586286d9441e1199c6f63c1867944b4b645b 100644 (file)
@@ -21,8 +21,6 @@
 #include "notmuch-private.h"
 #include "database-private.h"
 
-#include <xapian.h>
-
 #include <gmime/gmime.h>
 #include <glib.h> /* GHashTable */
 
@@ -31,8 +29,10 @@ struct _notmuch_thread {
     char *thread_id;
     char *subject;
     GHashTable *authors_hash;
+    GPtrArray *authors_array;
+    GHashTable *matched_authors_hash;
+    int has_non_matched_authors;
     char *authors;
-    char *nonmatched_authors;
     GHashTable *tags;
 
     notmuch_message_list_t *message_list;
@@ -47,16 +47,26 @@ static int
 _notmuch_thread_destructor (notmuch_thread_t *thread)
 {
     g_hash_table_unref (thread->authors_hash);
+    g_hash_table_unref (thread->matched_authors_hash);
     g_hash_table_unref (thread->tags);
     g_hash_table_unref (thread->message_hash);
 
+    if (thread->authors_array) {
+       g_ptr_array_free (thread->authors_array, TRUE);
+       thread->authors_array = NULL;
+    }
+
     return 0;
 }
 
+/* Add each author of the thread to the thread's authors_hash and the
+ * thread's authors_array. */
 static void
 _thread_add_author (notmuch_thread_t *thread,
                    const char *author)
 {
+    char *author_copy;
+
     if (author == NULL)
        return;
 
@@ -64,97 +74,78 @@ _thread_add_author (notmuch_thread_t *thread,
                                      author, NULL, NULL))
        return;
 
-    g_hash_table_insert (thread->authors_hash, xstrdup (author), NULL);
+    author_copy = talloc_strdup (thread, author);
+
+    g_hash_table_insert (thread->authors_hash, author_copy, NULL);
+
+    g_ptr_array_add (thread->authors_array, author_copy);
+}
+
+/* Add each matched author of the thread to the thread's
+ * matched_authors_hash and to the thread's authors string. */
+static void
+_thread_add_matched_author (notmuch_thread_t *thread,
+                           const char *author)
+{
+    char *author_copy;
+
+    if (author == NULL)
+       return;
+
+    if (g_hash_table_lookup_extended (thread->matched_authors_hash,
+                                     author, NULL, NULL))
+       return;
+
+    author_copy = talloc_strdup (thread, author);
+
+    g_hash_table_insert (thread->matched_authors_hash, author_copy, NULL);
 
     if (thread->authors)
        thread->authors = talloc_asprintf (thread, "%s, %s",
                                           thread->authors,
                                           author);
     else
-       thread->authors = talloc_strdup (thread, author);
+       thread->authors = author_copy;
 }
 
-/*
- * move authors of matched messages in the thread to
- * the front of the authors list, but keep them in
- * existing order within their group
- */
+/* Copy any authors from the authors array that were not also matched
+ * authors onto the end of the thread's authors string.
+ * We use a '|' to separate matched and unmatched authors. */
 static void
-_thread_move_matched_author (notmuch_thread_t *thread,
-                            const char *author)
+_complete_thread_authors (notmuch_thread_t *thread)
 {
-    char *authors_copy;
-    char *current_author;
-    char *last_pipe,*next_pipe;
-    int idx,nm_start,author_len,authors_len;
-
-    if (thread->authors == NULL || author == NULL)
-       return;
-    if (thread->nonmatched_authors == NULL)
-       thread->nonmatched_authors = thread->authors;
-    author_len = strlen(author);
-    authors_len = strlen(thread->authors);
-    if (author_len == authors_len) {
-       /* just one author */
-       thread->nonmatched_authors += author_len;
-       return;
-    }
-    current_author = strcasestr(thread->authors, author);
-    if (current_author == NULL)
-       return;
-    /* how far inside the nonmatched authors is our author? */
-    idx = current_author - thread->nonmatched_authors;
-    if (idx < 0) {
-       /* already among matched authors */
-       return;
-    }
-    /* are there any authors in the list after our author? */
-    if (thread->nonmatched_authors + author_len < thread->authors + authors_len) {
-       /* we have to make changes, so let's get a temp copy */
-       authors_copy = talloc_strdup(thread,thread->authors);
-       /* nm_start is the offset into where the non-matched authors start */
-       nm_start = thread->nonmatched_authors - thread->authors;
-       /* copy this author and add the "| " - the if clause above tells us there's more */
-       strncpy(thread->nonmatched_authors,author,author_len);
-       strncpy(thread->nonmatched_authors+author_len,"| ",2);
-       thread->nonmatched_authors += author_len+2;
-       if (idx > 0) {
-         /* we are actually moving authors around, not just changing the separator
-          * first copy the authors that came BEFORE our author */
-         strncpy(thread->nonmatched_authors, authors_copy+nm_start, idx-2);
-         /* finally, if there are authors AFTER our author, copy those */
-         if(author_len+nm_start+idx < authors_len) {
-           strncpy(thread->nonmatched_authors + idx - 2,", ",2);
-           strncpy(thread->nonmatched_authors + idx, authors_copy+nm_start + idx + author_len + 2,
-                   authors_len - (nm_start + idx + author_len + 2));
-         }
-       }
-       /* finally let's make sure there's just one '|' in the authors string */
-       last_pipe = strchr(thread->authors,'|');
-       while (last_pipe) {
-           next_pipe = strchr(last_pipe+1,'|');
-           if (next_pipe)
-               *last_pipe = ',';
-           last_pipe = next_pipe;
+    unsigned int i;
+    char *author;
+
+    for (i = 0; i < thread->authors_array->len; i++) {
+       author = (char *) g_ptr_array_index (thread->authors_array, i);
+       if (g_hash_table_lookup_extended (thread->matched_authors_hash,
+                                         author, NULL, NULL))
+           continue;
+       if (thread->has_non_matched_authors) {
+           thread->authors = talloc_asprintf (thread, "%s, %s",
+                                              thread->authors,
+                                              author);
+       } else {
+           thread->authors = talloc_asprintf (thread, "%s| %s",
+                                              thread->authors,
+                                              author);
+           thread->has_non_matched_authors = 1;
        }
-    } else {
-       thread->nonmatched_authors += author_len;
-       /* so now all authors are matched - let's remove the '|' */
-       last_pipe = strchr(thread->authors,'|');
-       if (last_pipe)
-           *last_pipe = ',';
     }
-    return;
+
+    g_ptr_array_free (thread->authors_array, TRUE);
+    thread->authors_array = NULL;
 }
 
-/* clean up the uggly "Lastname, Firstname" format that some mail systems
+/* clean up the ugly "Lastname, Firstname" format that some mail systems
  * (most notably, Exchange) are creating to be "Firstname Lastname"
  * To make sure that we don't change other potential situations where a
  * comma is in the name, we check that we match one of these patterns
  * "Last, First" <first.last@company.com>
  * "Last, First MI" <first.mi.last@company.com>
  */
-char *
+static char *
 _thread_cleanup_author (notmuch_thread_t *thread,
                        const char *author, const char *from)
 {
@@ -163,11 +154,19 @@ _thread_cleanup_author (notmuch_thread_t *thread,
     char *blank;
     int fname,lname;
 
+    if (author == NULL)
+       return NULL;
     clean_author = talloc_strdup(thread, author);
     if (clean_author == NULL)
        return NULL;
+    /* check if there's a comma in the name and that there's a
+     * component of the name behind it (so the name doesn't end with
+     * the comma - in which case the string that strchr finds is just
+     * one character long ",\0").
+     * Otherwise just return the copy of the original author name that
+     * we just made*/
     comma = strchr(author,',');
-    if (comma) {
+    if (comma && strlen(comma) > 1) {
        /* let's assemble what we think is the correct name */
        lname = comma - author;
        fname = strlen(author) - lname - 2;
@@ -187,7 +186,6 @@ _thread_cleanup_author (notmuch_thread_t *thread,
            /* we didn't identify this as part of the email address
            * so let's punt and return the original author */
            strcpy (clean_author, author);
-
     }
     return clean_author;
 }
@@ -304,7 +302,8 @@ _thread_add_matched_message (notmuch_thread_t *thread,
        notmuch_message_set_flag (hashed_message,
                                  NOTMUCH_MESSAGE_FLAG_MATCH, 1);
     }
-    _thread_move_matched_author (thread,notmuch_message_get_author(hashed_message));
+
+    _thread_add_matched_author (thread, notmuch_message_get_author (hashed_message));
 
     if ((sort == NOTMUCH_SORT_OLDEST_FIRST && date <= thread->newest) ||
        (sort != NOTMUCH_SORT_OLDEST_FIRST && date == thread->newest))
@@ -430,9 +429,13 @@ _notmuch_thread_create (void *ctx,
     thread->thread_id = talloc_strdup (thread, thread_id);
     thread->subject = NULL;
     thread->authors_hash = g_hash_table_new_full (g_str_hash, g_str_equal,
-                                                 free, NULL);
+                                                 NULL, NULL);
+    thread->authors_array = g_ptr_array_new ();
+    thread->matched_authors_hash = g_hash_table_new_full (g_str_hash,
+                                                         g_str_equal,
+                                                         NULL, NULL);
     thread->authors = NULL;
-    thread->nonmatched_authors = NULL;
+    thread->has_non_matched_authors = 0;
     thread->tags = g_hash_table_new_full (g_str_hash, g_str_equal,
                                          free, NULL);
 
@@ -493,6 +496,8 @@ _notmuch_thread_create (void *ctx,
        notmuch_query_destroy (matched_query);
     }
 
+    _complete_thread_authors (thread);
+
     _resolve_thread_relationships (thread);
 
     return thread;