Amr Gharbeia
b67cd12d88
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- system-embeddings (new skill): hashing-trick embeddings for memory-object vectors. Works offline with no Ollama/API dependency. Falls back to hashing-trick when no embedding backend is registered. Extensible — set *embedding-backend* to use Ollama/OpenAI/any provider. - programming-org: add org-subtree-extract and org-heading-list for targeting specific headlines in Org text without loading whole files. - core-context: add context-skill-subtree thin wrapper delegating to org-subtree-extract. Core stays thin — parsing lives in the skill.
280 lines
12 KiB
Common Lisp
280 lines
12 KiB
Common Lisp
(defun org-filetags-extract (content)
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"Extracts the list of tags from a #+FILETAGS: line."
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(let ((lines (uiop:split-string content :separator '(#\Newline))))
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(dolist (line lines)
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(when (uiop:string-prefix-p "#+FILETAGS:" (string-trim '(#\Space) line))
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(let ((tag-str (string-trim " :" (subseq (string-trim '(#\Space) line) 10))))
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(return-from org-filetags-extract
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(mapcar (lambda (tag) (format nil ":~a" (string-trim '(#\Space) tag)))
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(uiop:split-string tag-str :separator '(#\space #\tab))))))))
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nil)
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(defun org-privacy-tag-p (tags-list)
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"Returns T if any tag in TAGS-LIST matches bouncer-privacy-tags."
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(let ((privacy-tags (symbol-value (find-symbol "BOUNCER-PRIVACY-TAGS" :passepartout))))
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(when (and tags-list privacy-tags)
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(some (lambda (tag)
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(some (lambda (private-tag)
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(string-equal (string-trim '(#\: #\space) tag)
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(string-trim '(#\: #\space) private-tag))
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privacy-tags))
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tags-list)))))
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(defun org-privacy-strip (content)
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"Removes Org headlines whose :TAGS: property contains a privacy-filtered tag.
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Returns the filtered content as a string."
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(let* ((lines (uiop:split-string content :separator '(#\Newline)))
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(result-lines nil)
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(skip-depth nil)
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(current-tags nil)
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(in-properties nil))
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(dolist (line lines)
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(cond
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(skip-depth
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;; We're inside a skipped subtree
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(when (and (uiop:string-prefix-p "*" (string-trim '(#\Space) line))
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(<= (length (string-trim '(#\Space) line)) skip-depth))
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(setf skip-depth nil)))
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((uiop:string-prefix-p ":PROPERTIES:" (string-trim '(#\Space) line))
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(setf in-properties t)
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(push line result-lines))
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((uiop:string-prefix-p ":END:" (string-trim '(#\Space) line))
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(setf in-properties nil)
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(when current-tags
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(when (org-privacy-tag-p (reverse current-tags))
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(setf skip-depth
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(length (car (last result-lines
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(1+ (position-if
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(lambda (l)
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(uiop:string-prefix-p "*" (string-trim '(#\Space) l)))
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(reverse result-lines))))))))
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(setf current-tags nil))
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(push line result-lines))
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((and in-properties (uiop:string-prefix-p ":TAGS:" (string-trim '(#\Space) line)))
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(let ((tag-val (string-trim '(#\Space) (subseq (string-trim '(#\Space) line) 6))))
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(setf current-tags (uiop:split-string tag-val :separator '(#\space #\tab))))
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(push line result-lines))
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(t
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(push line result-lines))))
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(format nil "~{~a~%~}" (nreverse result-lines))))
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(defun org-read-file (filepath)
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"Reads an Org file into a string, applying privacy filtering."
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(let* ((raw (uiop:read-file-string filepath))
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(filetags (org-filetags-extract raw)))
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(if (org-privacy-tag-p filetags)
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(progn
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(log-message "UTILS-ORG: Blocked read of ~a — file-level privacy tag(s) ~a" filepath filetags)
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nil)
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(org-privacy-strip raw))))
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(defun org-write-file (filepath content)
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"Writes content to an Org file."
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(uiop:with-output-file (s filepath :if-exists :supersede)
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(format s "~a" content)))
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(defun org-id-generate ()
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"Generates a new UUID for an Org node."
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(string-downcase (format nil "~a" (uuid:make-v4-uuid))))
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(defun org-id-format (id)
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"Ensures the ID has the 'id:' prefix."
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(if (uiop:string-prefix-p "id:" id)
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id
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(format nil "id:~a" id)))
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(defun org-property-set (ast target-id property value)
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"Recursively sets a property on a headline with a matching ID in the AST."
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(let ((type (getf ast :type))
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(props (getf ast :properties))
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(contents (getf ast :contents)))
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(when (and (eq type :HEADLINE) (string= (getf props :ID) target-id))
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(setf (getf (getf ast :properties) property) value)
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(return-from org-property-set t))
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(dolist (child contents)
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(when (listp child)
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(when (org-property-set child target-id property value)
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(return-from org-property-set t)))))
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nil)
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(defun org-todo-set (ast target-id status)
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"Sets the TODO status of a headline in the AST."
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(org-property-set ast target-id :TODO status))
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(defun org-headline-add (ast parent-id title)
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"Adds a new headline as a child of the parent-id in the AST."
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(let* ((type (getf ast :type))
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(props (getf ast :properties))
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(id (getf props :ID))
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(contents (getf ast :contents)))
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(when (and (eq type :HEADLINE) (string= id parent-id))
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(let ((new-node (list :type :HEADLINE
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:properties (list :ID (org-id-format (org-id-generate))
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:TITLE title)
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:contents nil)))
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(setf (getf ast :contents) (append contents (list new-node)))
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(return-from org-headline-add t)))
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(dolist (child contents)
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(when (listp child)
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(when (org-headline-add child parent-id title)
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(return-from org-headline-add t)))))
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nil)
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(defun org-headline-find-by-id (ast id)
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"Finds a headline by its ID in the AST."
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(let ((props (getf ast :properties)))
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(when (string= (getf props :ID) id)
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(return-from org-headline-find-by-id ast))
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(dolist (child (getf ast :contents))
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(when (listp child)
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(let ((found (org-headline-find-by-id child id)))
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(when found (return-from org-headline-find-by-id found)))))
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nil))
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(defun org-headline-find-by-title (ast title)
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"Finds a headline by its title in the AST."
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(let ((props (getf ast :properties)))
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(when (string-equal (getf props :TITLE) title)
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(return-from org-headline-find-by-title ast))
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(dolist (child (getf ast :contents))
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(when (listp child)
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(let ((found (org-headline-find-by-title child title)))
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(when found (return-from org-headline-find-by-title found)))))
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nil))
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(defun org-subtree-extract (org-content heading-name)
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"Extracts a subtree by heading name from Org text. Returns the subtree
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content as a string (headline + body + children), or nil if not found."
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(let* ((lines (uiop:split-string org-content :separator '(#\Newline)))
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(target-depth nil)
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(in-target nil)
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(result nil))
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(loop for line in lines
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for trimmed = (string-trim '(#\Space) line)
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do (let ((depth (when (uiop:string-prefix-p "*" trimmed)
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(length (subseq trimmed 0
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(position-if (lambda (c) (not (char= c #\*)))
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trimmed)))))
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(headline-title (when (uiop:string-prefix-p "*" trimmed)
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(string-trim '(#\* #\Space) trimmed))))
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(when depth
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(when (string-equal headline-title heading-name)
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(setf target-depth depth in-target t))
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(when (and in-target target-depth
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(<= depth target-depth)
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(not (string-equal headline-title heading-name)))
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(return-from org-subtree-extract
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(format nil "~{~a~^~%~}" (nreverse result)))))
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(when in-target (push line result))))
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(when result
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(format nil "~{~a~^~%~}" (nreverse result)))))
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(defun org-heading-list (org-content)
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"Returns a list of all top-level heading names in Org text."
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(let* ((lines (uiop:split-string org-content :separator '(#\Newline)))
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(headings nil))
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(dolist (line lines)
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(let ((trimmed (string-trim '(#\Space) line)))
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(when (uiop:string-prefix-p "* " trimmed)
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(let ((title (string-trim '(#\* #\Space) trimmed)))
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(unless (find title headings :test #'string-equal)
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(push title headings))))))
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(nreverse headings)))
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(defun org-modify (filepath old-text new-text)
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"Replaces all occurrences of OLD-TEXT with NEW-TEXT in filepath.
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Returns T if OLD-TEXT was found and replaced, nil if not found."
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(when (not (uiop:file-exists-p filepath))
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(log-message "UTILS-ORG: org-modify: file not found: ~a" filepath)
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(return-from org-modify nil))
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(let* ((content (uiop:read-file-string filepath))
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(pos (search old-text content :test #'string=)))
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(unless pos
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(log-message "UTILS-ORG: org-modify: text not found in ~a" filepath)
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(return-from org-modify nil))
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(let ((modified (cl-ppcre:regex-replace-all
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(cl-ppcre:quote-meta-chars old-text)
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content new-text)))
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(org-write-file filepath modified)
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(log-message "UTILS-ORG: Modified ~a (~d chars replaced)" filepath (length old-text))
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t)))
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(defun org-ast-render (ast &key (depth 1))
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"Converts a plist AST node back to Org text.
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AST format: (:TYPE :HEADLINE :properties (:ID ... :TITLE ... :TAGS (...))
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:contents (child-ast ...))"
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(let* ((type (getf ast :TYPE))
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(props (getf ast :properties))
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(title (or (getf props :TITLE) "Untitled"))
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(tags (getf props :TAGS))
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(todo (getf props :TODO-STATE))
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(children (getf ast :contents))
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(raw-content (getf ast :raw-content))
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(stars (make-string depth :initial-element #\*))
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(output ""))
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(unless (eq type :HEADLINE)
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(return-from org-ast-render (or raw-content "")))
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;; Headline
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(setf output (format nil "~a~@[ ~a~] ~a" stars todo title))
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(when tags
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(let ((tag-str (format nil "~{~a~^:~}" (mapcar (lambda (t) (string-trim '(#\:) t)) tags))))
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(setf output (concatenate 'string output (format nil " :~a::~%" tag-str))))
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(setf output (concatenate 'string output (string #\Newline))))
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(unless tags
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(setf output (concatenate 'string output (string #\Newline))))
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;; Property drawer
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(setf output (concatenate 'string output ":PROPERTIES:" (string #\Newline)))
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(loop for (k v) on props by #'cddr
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do (unless (or (eq k :TITLE) (eq k :TAGS))
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(setf output (concatenate 'string output
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(format nil ":~a: ~a~%" k v)))))
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(setf output (concatenate 'string output ":END:" (string #\Newline)))
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;; Content
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(when raw-content
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(setf output (concatenate 'string output raw-content (string #\Newline))))
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;; Children
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(dolist (child children)
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(when (listp child)
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(setf output (concatenate 'string output
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(org-ast-render child :depth (1+ depth))))))
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output))
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(defskill :passepartout-programming-org
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:priority 100
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:trigger (lambda (ctx) (declare (ignore ctx)) nil))
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(defpackage :passepartout-utils-org-tests
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(:use :cl :fiveam :passepartout)
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(:export #:utils-org-suite))
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(in-package :passepartout-utils-org-tests)
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(def-suite utils-org-suite
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:description "Tests for Utils Org skill.")
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(in-suite utils-org-suite)
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(test id-generation
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(let ((id1 (org-id-generate))
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(id2 (org-id-generate)))
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(is (plusp (length id1)))
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(is (not (string= id1 id2)))))
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(test id-format
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(let ((formatted (org-id-format "abc12345")))
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(is (search "id:" formatted))))
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(test property-setter
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(let ((ast (list :type :HEADLINE
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:properties (list :ID "id:test123" :TITLE "Test")
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:contents nil)))
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(org-property-set ast "id:test123" :STATUS "ACTIVE")
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(is (string= (getf (getf ast :properties) :STATUS) "ACTIVE"))))
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(test todo-setter
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(let ((ast (list :type :HEADLINE
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:properties (list :ID "id:todo001" :TITLE "Task")
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:contents nil)))
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(org-todo-set ast "id:todo001" "DONE")
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(is (string= (getf (getf ast :properties) :TODO) "DONE"))))
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