emacs-orgmode@gnu.org archives
 help / color / mirror / code / Atom feed
blob da612e9152182a9b67b595d3053c9edebba7120e 8341 bytes (raw)
name: contrib/lisp/org-collector.el 	 # note: path name is non-authoritative(*)

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
 
;;; org-collector --- collect properties into tables

;; Copyright (C) 2008-2012 Free Software Foundation, Inc.

;; Author: Eric Schulte <schulte dot eric at gmail dot com>
;; Keywords: outlines, hypermedia, calendar, wp, experimentation,
;;           organization, properties
;; Homepage: http://orgmode.org
;; Version: 0.01

;; This file is not yet part of GNU Emacs.

;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.

;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.

;;; Commentary:

;; Pass in an alist of columns, each column can be either a single
;; property or a function which takes column names as arguments.
;;
;; For example the following propview block would collect the value of
;; the 'amount' property from each header in the current buffer
;;
;; #+BEGIN: propview :cols (ITEM amount)
;; | "ITEM"              | "amount" |
;; |---------------------+----------|
;; | "December Spending" |        0 |
;; | "Grocery Store"     |    56.77 |
;; | "Athletic club"     |     75.0 |
;; | "Restaurant"        |    30.67 |
;; | "January Spending"  |        0 |
;; | "Athletic club"     |     75.0 |
;; | "Restaurant"        |    50.00 |
;; |---------------------+----------|
;; |                     |          |
;; #+END:
;;
;; This slightly more selective propview block will limit those
;; headers included to those in the subtree with the id 'december'
;; in which the spendtype property is equal to "food"
;;
;; #+BEGIN: propview :id "december" :conds ((string= spendtype "food")) :cols (ITEM amount)
;; | "ITEM"          | "amount" |
;; |-----------------+----------|
;; | "Grocery Store" |    56.77 |
;; | "Restaurant"    |    30.67 |
;; |-----------------+----------|
;; |                 |          |
;; #+END:
;;
;; Org Collector allows arbitrary processing of the property values
;; through elisp in the cols: property.  This allows for both simple
;; computations as in the following example
;;
;; #+BEGIN: propview :id "results" :cols (ITEM f d list (apply '+ list) (+ f d))
;; | "ITEM" | "f" | "d" | "list"                  | "(apply (quote +) list)" | "(+ f d)" |
;; |--------+-----+-----+-------------------------+--------------------------+-----------|
;; | "run1" |   2 |  33 | (quote (9 2 3 4 5 6 7)) | 36                       |        35 |
;; | "run2" |   2 |  34 | :na                     | :na                      |        36 |
;; | "run3" |   2 |  35 | :na                     | :na                      |        37 |
;; | "run4" |   2 |  36 | :na                     | :na                      |        38 |
;; |        |     |     |                         |                          |           |
;; #+END:
;;
;; or more complex computations as in the following example taken from
;; an org file where each header in "results" subtree contained a
;; property "sorted_hits" which was passed through the
;; "average-precision" elisp function
;;
;; #+BEGIN: propview :id "results" :cols (ITEM (average-precision sorted_hits))
;; | "ITEM"    | "(average-precision sorted_hits)" |
;; |-----------+-----------------------------------|
;; | run (80)  |                          0.105092 |
;; | run (70)  |                          0.108142 |
;; | run (10)  |                          0.111348 |
;; | run (60)  |                          0.113593 |
;; | run (50)  |                          0.116446 |
;; | run (100) |                          0.118863 |
;; #+END:
;; 

;;; Code:
(require 'org)
(require 'org-table)

(defvar org-propview-default-value 0
  "Default value to insert into the propview table when the no
value is calculated either through lack of required variables for
a column, or through the generation of an error.")

(defun and-rest (list)
  (if (listp list)
      (if (> (length list) 1)
	  (and (car list) (and-rest (cdr list)))
	(car list))
    list))

(put 'org-collector-error
     'error-conditions
     '(error column-prop-error org-collector-error))

(defun org-dblock-write:propview (params)
  "collect the column specification from the #+cols line
preceeding the dblock, then update the contents of the dblock."
  (interactive)
  (condition-case er
      (let ((cols (plist-get params :cols))
	    (inherit (plist-get params :inherit))
	    (conds (plist-get params :conds))
	    (match (plist-get params :match))
	    (scope (plist-get params :scope))
	    (noquote (plist-get params :noquote))
	    (colnames (plist-get params :colnames))
	    (content-lines (org-split-string (plist-get params :content) "\n"))
	    id table line pos)
	(save-excursion
	  (when (setq id (plist-get params :id))
	    (cond ((not id) nil)
		  ((eq id 'global) (goto-char (point-min)))
		  ((eq id 'local)  nil)
		  ((setq idpos (org-find-entry-with-id id))
		   (goto-char idpos))
		  (t (error "Cannot find entry with :ID: %s" id))))
	  (org-narrow-to-subtree)
	  (setq stringformat (if noquote "%s" "%S"))
	  (setq table (org-propview-to-table
		       (org-propview-collect cols stringformat conds match scope inherit 
					     (if colnames colnames cols)) stringformat))
	  (widen))
	(setq pos (point))
	(when content-lines
	  (while (string-match "^#" (car content-lines))
	    (insert (pop content-lines) "\n")))
	(insert table) (insert "\n|--") (org-cycle) (move-end-of-line 1)
	(message (format "point-%d" pos))
	(while (setq line (pop content-lines))
	  (when (string-match "^#" line)
	    (insert "\n" line)))
	(goto-char pos)
	(org-table-recalculate 'all))
    (org-collector-error (widen) (error "%s" er))
    (error (widen) (error "%s" er))))

(defun org-propview-eval-w-props (props body)
  "evaluate the BODY-FORMS binding the variables using the
variables and values specified in props"
  (condition-case nil ;; catch any errors
      (eval `(let ,(mapcar
		    (lambda (pair) (list (intern (car pair)) (cdr pair)))
		    props)
	       ,body))
    (error nil)))

(defun org-propview-get-with-inherited (&optional inherit)
  (append
   (org-entry-properties)
   (delq nil
	 (mapcar (lambda (i)
		   (let* ((n (symbol-name i))
			  (p (org-entry-get (point) n 'do-inherit)))
		     (when p (cons n p))))
		 inherit))))

(defun org-propview-collect (cols stringformat &optional conds match scope inherit colnames)
  (interactive)
  ;; collect the properties from every header
  (let* ((header-props
	  (let ((org-trust-scanner-tags t) alst)
	    (org-map-entries
	     (quote (cons (cons "ITEM" (org-get-heading t))
			  (org-propview-get-with-inherited inherit)))
	     match scope)))
	 ;; read property values
	 (header-props
	  (mapcar (lambda (props)
		    (mapcar (lambda (pair)
			      (cons (car pair) (org-babel-read (cdr pair))))
			    props))
		  header-props))
	 ;; collect all property names
	 (prop-names
	  (mapcar 'intern (delete-dups
			   (apply 'append (mapcar (lambda (header)
						    (mapcar 'car header))
						  header-props))))))
    (append
     (list
      (if colnames colnames (mapcar (lambda (el) (format stringformat el)) cols))
       'hline) ;; ------------------------------------------------
     (mapcar ;; calculate the value of the column for each header
      (lambda (props) (mapcar (lambda (col)
			   (let ((result (org-propview-eval-w-props props col)))
			     (if result result org-propview-default-value)))
			 cols))
      (if conds
	  ;; eliminate the headers which don't satisfy the property
	  (delq nil
		(mapcar
		 (lambda (props)
		   (if (and-rest (mapcar
				  (lambda (col)
				    (org-propview-eval-w-props props col))
				  conds))
		       props))
		 header-props))
	  header-props)))))

(defun org-propview-to-table (results stringformat)
  ;; (message (format "cols:%S" cols))
  (orgtbl-to-orgtbl
   (mapcar
    (lambda (row)
      (if (equal row 'hline)
	  'hline
	(mapcar (lambda (el) (format stringformat el)) row)))
    (delq nil results)) '()))

(provide 'org-collector)
;;; org-collector ends here

debug log:

solving da612e9 ...
found da612e9 in https://git.savannah.gnu.org/cgit/emacs/org-mode.git

(*) Git path names are given by the tree(s) the blob belongs to.
    Blobs themselves have no identifier aside from the hash of its contents.^

Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/emacs/org-mode.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).