summaryrefslogtreecommitdiff
path: root/skribe/src/stklos/biblio.stk
blob: 5691588ba5f2776e2dc1115c59d2bc30a4725c5d (plain)
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
;;;;
;;;; biblio.stk				-- Bibliography functions
;;;; 
;;;; Copyright � 2003-2004 Erick Gallesio - I3S-CNRS/ESSI <eg@essi.fr>
;;;; 
;;;; 
;;;; This program 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 2 of the License, or
;;;; (at your option) any later version.
;;;; 
;;;; This program 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 this program; if not, write to the Free Software
;;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 
;;;; USA.main.st
;;;; 
;;;;           Author: Erick Gallesio [eg@essi.fr]
;;;;    Creation date: 31-Aug-2003 22:07 (eg)
;;;; Last file update: 28-Oct-2004 21:19 (eg)
;;;;



(define-module SKRIBE-BIBLIO-MODULE
  (import SKRIBE-RUNTIME-MODULE)
  (export bib-tables? make-bib-table default-bib-table 
	  bib-load! resolve-bib resolve-the-bib
	  bib-sort/authors bib-sort/idents bib-sort/dates)

(define *bib-table* 	     #f)
  
;; Forward declarations
(define skribe-open-bib-file #f)
(define parse-bib 	     #f) 

(include "../common/bib.scm")

;;;; ======================================================================
;;;;
;;;; 				Utilities
;;;;
;;;; ======================================================================

(define (make-bib-table ident)
   (make-hashtable))

(define (bib-table? obj)
  (hashtable? obj))

(define (default-bib-table)
  (unless *bib-table*
    (set! *bib-table* (make-bib-table "default-bib-table")))
  *bib-table*)

;;
;; Utilities
;;
(define (%bib-error who entry)
  (let ((msg "bibliography syntax error on entry"))
    (if (%epair? entry)
	(skribe-line-error (%epair-file entry) (%epair-line entry) who msg entry)
	(skribe-error who msg entry))))

;;;; ======================================================================
;;;;
;;;; 				BIB-DUPLICATE
;;;;
;;;; ======================================================================
(define (bib-duplicate ident from old)
  (let ((ofrom (markup-option old 'from)))
    (skribe-warning 2
		    'bib
		    (format "Duplicated bibliographic entry ~a'.\n" ident)
		    (if ofrom
			(format " Using version of `~a'.\n" ofrom)
			"")
		    (if from
			(format " Ignoring version of `~a'." from)
			" Ignoring redefinition."))))


;;;; ======================================================================
;;;;
;;;; 				PARSE-BIB
;;;;
;;;; ======================================================================
(define (parse-bib table port)
  (if (not (bib-table? table))
      (skribe-error 'parse-bib "Illegal bibliography table" table)
      (let ((from (port-file-name port)))
	(let Loop ((entry (read port)))
	  (unless (eof-object? entry)
	    (cond
	      ((and (list? entry) (> (length entry) 2))
	       (let* ((kind   (car entry))
		      (key    (format "~A" (cadr entry)))
		      (fields (cddr entry))
		      (old    (hashtable-get table key)))
		 (if old
		     (bib-duplicate ident from old)
		     (hash-table-put! table
				      key
				      (make-bib-entry kind key fields from)))
		 (Loop (read port))))
	      (else
	       (%bib-error 'bib-parse entry))))))))


;;;; ======================================================================
;;;;
;;;; 				   BIB-ADD!
;;;;
;;;; ======================================================================
(define (bib-add! table . entries)
  (if (not (bib-table? table))
      (skribe-error 'bib-add! "Illegal bibliography table" table)
      (for-each (lambda (entry)
		  (cond
		    ((and (list? entry) (> (length entry) 2))
		     (let* ((kind   (car entry))
			    (key    (format "~A" (cadr entry)))
			    (fields (cddr entry))
			    (old    (hashtable-get table ident)))
		       (if old
			   (bib-duplicate key #f old)
			   (hash-table-put! table
					    key
					    (make-bib-entry kind key fields #f)))))
		    (else
		     (%bib-error 'bib-add! entry))))
		entries)))


;;;; ======================================================================
;;;;
;;;;				SKRIBE-OPEN-BIB-FILE
;;;;
;;;; ======================================================================
;; FIXME: Factoriser
(define (skribe-open-bib-file file command)
 (let ((path (find-path file *skribe-bib-path*)))
   (if (string? path)
       (begin
	 (when (> *skribe-verbose* 0)
	   (format (current-error-port) "  [loading bibliography: ~S]\n" path))
	 (open-input-file (if (string? command)
			      (string-append "| "
					     (format command path))
			      path)))
       (begin
	 (skribe-warning 1
			 'bibliography
			 "Can't find bibliography -- " file)
	 #f))))

)