| 4358148e |
1 | (in-package :lisp-on-lines) |
| 2 | |
| 3 | (define-description T () |
| bd9c9c31 |
4 | ((label :label nil |
| 5 | :function (lambda (object) |
| 6 | (format nil "~@(~A~)" |
| 7 | (substitute #\Space #\- |
| 8 | (symbol-name |
| 9 | (class-name (class-of |
| 10 | object))))))) |
| 11 | (identity :label nil :function #'identity) |
| b1c8f43b |
12 | (type :label "Type" :function #'type-of) |
| 6de8d300 |
13 | (class :label "Class" :function #'class-of) |
| 14 | (active-attributes :label "Attributes" |
| 15 | :value nil |
| 16 | :activep nil |
| b7657b86 |
17 | :keyword :attributes) |
| 18 | (attribute-delimiter :label "Attribute Delimiter" |
| 19 | :value "~%" |
| 20 | :activep nil |
| 21 | :keyword :delimter) |
| 22 | (active-descriptions :label "Active Descriptions" |
| 23 | :value nil |
| 24 | :activep nil |
| 25 | :keyword :activate) |
| 26 | (inactive-descriptions :label "Inactive Descriptions" |
| bd9c9c31 |
27 | :value nil |
| 28 | :activep nil |
| 29 | :keyword :deactivate) |
| f4efa7ff |
30 | (label-formatter :value (lambda (label) |
| b1c8f43b |
31 | (generic-format *display* "~A:" label)) |
| f4efa7ff |
32 | :activep nil) |
| 33 | (value-formatter :value (curry #'format nil "~A") |
| 34 | :activep nil))) |
| 4358148e |
35 | |
| 36 | (define-layered-method description-of (any-lisp-object) |
| 37 | (find-description 't)) |
| 38 | |
| b7657b86 |
39 | (define-layered-function display-attribute (attribute) |
| 40 | (:method (attribute) |
| 41 | (display-using-description attribute *display* (attribute-object attribute)))) |
| e8d4fa45 |
42 | |
| b7657b86 |
43 | (define-layered-function display-attribute-label (attribute) |
| 44 | (:method (attribute) |
| f4efa7ff |
45 | (funcall (attribute-label-formatter attribute) (attribute-label attribute)))) |
| 46 | |
| e8d4fa45 |
47 | |
| b7657b86 |
48 | |
| 49 | (define-layered-function display-attribute-value (attribute) |
| 50 | (:method (attribute) |
| 51 | (flet ((disp (val &rest args) |
| 52 | (apply #'display *display* val |
| 53 | :activate (attribute-active-descriptions attribute) |
| 54 | :deactivate (attribute-inactive-descriptions attribute) |
| 55 | args))) |
| 56 | |
| e8d4fa45 |
57 | (let ((val (attribute-value attribute))) |
| b7657b86 |
58 | (if (eql val (attribute-object attribute)) |
| 59 | (generic-format *display* (funcall (attribute-value-formatter attribute) val)) |
| e8d4fa45 |
60 | (with-active-descriptions (inline) |
| b7657b86 |
61 | (if (slot-boundp attribute 'active-attributes) |
| 62 | (disp val :attributes (slot-value attribute 'active-attributes)) |
| 63 | (disp val)))))))) |
| e8d4fa45 |
64 | |
| 65 | (define-layered-method display-using-description |
| 66 | ((attribute standard-attribute) display object &rest args) |
| 67 | (declare (ignore args)) |
| 68 | (when (attribute-label attribute) |
| b7657b86 |
69 | (display-attribute-label attribute)) |
| 70 | (display-attribute-value attribute)) |
| e8d4fa45 |
71 | |
| 4358148e |
72 | (define-display ((description t)) |
| b7657b86 |
73 | (let ((attributes (attributes description))) |
| 74 | (display-attribute (first attributes)) |
| f4efa7ff |
75 | (dolist (attribute (rest attributes) (values)) |
| b7657b86 |
76 | (generic-format *display* |
| 77 | (attribute-value |
| 78 | (find-attribute description 'attribute-delimiter))) |
| 79 | (display-attribute attribute)))) |
| 80 | |
| 81 | |
| f4efa7ff |
82 | (define-display :around ((description t) (display null) object) |
| 83 | (with-output-to-string (*standard-output*) |
| b1c8f43b |
84 | (call-next-layered-method description t object)) |
| 85 | ) |
| b7657b86 |
86 | |
| 4358148e |
87 | |
| 6de8d300 |
88 | |
| 89 | |
HCoop / clinton / lisp-on-lines.git / blame