From 08d71bf1b687f6cd9be78489369a8e276714f808 Mon Sep 17 00:00:00 2001
From: Kyle Meyer <kyle@kyleam.com>
Date: Wed, 29 Oct 2014 21:38:19 -0400
Subject: Fix bog-citekey-at-point for hyphenated citekeys

Because bog-citekey-at-point used "(thing-at-point 'word)", it didn't
handle hyphenated citekeys properly.

Now the function relies on a set of characters that are allowed to
precede citekeys.
---
 bog-tests.el | 29 ++++++++++++++++++++++++++++-
 bog.el       | 23 +++++++++++++++++++----
 2 files changed, 47 insertions(+), 5 deletions(-)

diff --git a/bog-tests.el b/bog-tests.el
index 6a261f4..c1c98a2 100644
--- a/bog-tests.el
+++ b/bog-tests.el
@@ -41,13 +41,40 @@
 
 ;; `bog-citekey-at-point'
 
-(ert-deftest bog-citekey-at-point ()
+(ert-deftest bog-citekey-at-point-bob ()
   (let ((citekey "name2010word"))
     (with-temp-buffer
       (insert citekey)
       (goto-char (point-min))
       (should (equal (bog-citekey-at-point) citekey)))))
 
+(ert-deftest bog-citekey-at-point-newline ()
+  (let ((citekey "name2010word"))
+    (with-temp-buffer
+      (insert "\n" citekey)
+      (should (equal (bog-citekey-at-point) citekey)))))
+
+(ert-deftest bog-citekey-at-point-parens ()
+  (let ((citekey "name2010word"))
+    (with-temp-buffer
+      (insert "\n(" citekey ")")
+      (backward-char 2)
+      (should (equal (bog-citekey-at-point) citekey)))))
+
+(ert-deftest bog-citekey-at-point-spaces ()
+  (let ((citekey "name2010word"))
+    (with-temp-buffer
+      (insert "\n " citekey " ")
+      (backward-char 2)
+      (should (equal (bog-citekey-at-point) citekey)))))
+
+(ert-deftest bog-citekey-at-point-with-hyphen ()
+  (let ((citekey "hyphen-name2010word"))
+    (with-temp-buffer
+      (insert citekey)
+      (goto-char (point-min))
+      (should (equal (bog-citekey-at-point) citekey)))))
+
 ;; `bog-citekey-from-tree'
 
 (ert-deftest bog-citekey-from-heading-title-current-level ()
diff --git a/bog.el b/bog.el
index 18abe4d..47d7d07 100644
--- a/bog.el
+++ b/bog.el
@@ -73,6 +73,15 @@ settings:
   :group 'bog
   :type 'string)
 
+(defcustom bog-allowed-before-citekey
+  "\\(\n\\|\\s-\\|(\\|\\[\\|{\\|<\\|,\\)"
+  "Regex that specifies characters allowed before a citekey.
+This may need to be modified if you have a custom
+`bog-citekey-format' or if you tend to used a certain character
+before citekeys that isn't included above."
+  :group 'bog
+  :type 'string)
+
 (defcustom bog-citekey-property "CUSTOM_ID"
   "Property name used to store citekey.
 The default corresponds to the default value of
@@ -241,10 +250,16 @@ year, and the first meaningful word in the title)."
                groups delim)))
 
 (defun bog-citekey-at-point ()
-  (let ((maybe-citekey (thing-at-point 'word)))
-    (when (and maybe-citekey
-               (bog-citekey-p maybe-citekey))
-      (substring-no-properties maybe-citekey))))
+  "Return citekey at point.
+The citekey must have the format specified by
+`bog-citekey-format' and, if not at the beginning of the buffer,
+be preceded by a characters in `bog-allowed-before-citekey'."
+  (save-excursion
+    (unless (bobp)
+      (re-search-backward bog-allowed-before-citekey)
+      (forward-char 1))
+    (when (looking-at bog-citekey-format)
+      (match-string-no-properties 0))))
 
 (defun bog-citekey-from-notes ()
   "Get the citekey from the context of the Org file."
-- 
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