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
|
;*=====================================================================*/
;* serrano/prgm/project/skribe/doc/user/engine.skb */
;* ------------------------------------------------------------- */
;* Author : Manuel Serrano */
;* Creation : Wed Sep 3 11:19:21 2003 */
;* Last change : Mon Nov 8 15:07:35 2004 (serrano) */
;* Copyright : 2003-04 Manuel Serrano */
;* ------------------------------------------------------------- */
;* The description of the Skribe engines */
;*=====================================================================*/
;; @indent: (put 'doc-markup 'skribe-indent 'skribe-indent-function)@
(cond-expand
(bigloo
(define *engine-src* "../src/bigloo/engine.scm")
(define *types-src* "../src/bigloo/types.scm"))
(stklos
(define *engine-src* "../src/stklos/engine.stk")
(define *types-src* "../src/stklos/types.stk")))
;*---------------------------------------------------------------------*/
;* Engine */
;*---------------------------------------------------------------------*/
(chapter :title "Engines"
(p [When Skribe produces a document in a given format, it uses a
specialize engine. For instance, when a Web page is made from a Skribe
document, the HTML engine is used. The engines provided by Skribe are
given below:])
(resolve (lambda (n e env)
(let* ((current-chapter (ast-chapter n))
(body (map (lambda (x) (if (pair? x) (car x) x))
(markup-body current-chapter)))
(sects (filter (lambda (x) (is-markup? x 'section))
body)))
(itemize
(map (lambda (x)
(let ((title (markup-option x :title)))
(item (ref :text title :section title))))
sects)))))
(section :title "Functions dealing with engines"
(subsection :title "Creating engines"
(p [The function ,(code "make-engine") creates a brand new engine.])
(doc-markup 'make-engine
'((ident [The name (a symbol) of the new engine.])
(:version [The version number.])
(:format [The output format (a string) of this engine.])
(:filter [A string filter (a function).])
(:delegate [A delegate engine.])
(:symbol-table [The engine symbol table.])
(:custom [The engine custom list.])
(:info [Miscellaneous.]))
:common-args '()
:source *engine-src*
:idx *function-index*)
(p [The function ,(code "copy-engine") duplicates an existing engine.])
(doc-markup 'copy-engine
'((ident [The name (a symbol) of the new engine.])
(e [The old engine to be duplicated.])
(:version [The version number.])
(:filter [A string filter (a function).])
(:delegate [A delegate engine.])
(:symbol-table [The engine symbol table.])
(:custom [The engine custom list.]))
:common-args '()
:source *engine-src*
:idx *function-index*))
(subsection :title "Retrieving engines"
(p [The ,(code "find-engine") function searches in the list of defined
engines. It returns an ,(code "engine") object on success and ,(code "#f")
on failure.])
(doc-markup 'find-engine
'((id [The name (a symbol) of the engine to be searched.])
(:version [An optional version number for the searched engine.]))
:common-args '()
:source *engine-src*
:idx *function-index*))
(subsection :title "Engine accessors"
(p [The predicate ,(code "engine?") returns ,(code "#t") if its
argument is an engine. Otherwise, it returns ,(code "#f"). In other words,
,(code "engine?") returns ,(code "#t") for objects created by
,(code "make-engine"), ,(code "copy-engine"), and ,(code "find-engine").])
(doc-markup 'engine?
'((obj [The checked object.]))
:common-args '()
:source *types-src*
:idx *function-index*)
(p [The following functions return information about engines.])
(doc-markup 'engine-ident
'((obj [The engine.]))
:common-args '()
:others '(engine-format engine-customs engine-filter engine-symbol-table)
:source *types-src*
:idx *function-index*))
(subsection :title "Engine customs"
(p [Engine customs are locations where dynamic informations relative
to engines can be stored. Engine custom can be seen a global variables that
are specific to engines. The function ,(code "engine-custom") returns the
value of a custom or ,(code "#f") if that custom is not defined. The
function ,(code "engine-custom-set!") defines or sets a new value for
a custom.])
(doc-markup 'engine-custom
`((e ,[The engine (as returned by
,(ref :mark "find-engine" :text (code "find-engine"))).])
(id [The name of the custom.]))
:common-args '()
:source *engine-src*
:idx *function-index*)
(doc-markup 'engine-custom-set!
`((e ,[The engine (as returned by
,(ref :mark "find-engine" :text (code "find-engine"))).])
(id [The name of the custom.])
(val [The new value of the custom.]))
:common-args '()
:source *engine-src*
:idx *function-index*)))
;; existing engines
(include "htmle.skb")
(include "latexe.skb")
(include "xmle.skb"))
|
