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
|
#include <string.h>
#include <stdlib.h>
#include "dawk.h"
#include "make_doc.h"
static void preprocess(void);
static void postprocess_latex(void);
static void cat(void);
static void print_sans_backslashes(const char *p);
void make_single_doc(int argc, char *argv[])
{
d_init(argc, argv);
/* Hidden format for debugging. */
if (streq(to_format, "preprocess")) {
preprocess();
return;
}
d_open_output(tmp_preprocess_output);
preprocess();
d_close_output();
call_pandoc(tmp_preprocess_output, tmp_pandoc_output, "");
d_open_input(tmp_pandoc_output);
if (streq(to_format, "latex"))
postprocess_latex();
else
cat();
d_close_input();
}
static void preprocess(void)
{
dstr line;
while (d_getline(line)) {
/* Raise sections by one level. Top-most becomes the document title. */
if (line[0] == '#' && raise_sections) {
if (line[1] == ' ') {
line[0] = '%';
}
else {
char *p = strchr(line, ' ');
if (p) {
p[-1] = ' ';
}
}
}
/* Make sure there is a blank line between input files so paragraphs
* across files don't get merged. But don't break document titles which
* must be on the first line.
*/
if (d_line_num == 1 && line[0] != '%') {
d_print("");
}
if (d_match(line, "^(#+) +API: *")) {
const char *hashes = d_submatch(1);
const char *name = d_after_match;
const char *text = lookup_prototype(name);
const char *source = lookup_source(name);
d_printf("%s %s\n", hashes, name);
if (strcmp(text, "") != 0) {
d_printf("~~~~c");
d_print(text);
d_printf("~~~~");
}
d_printf("\n[Source Code](%s)\n", source);
}
else if (d_match(line, "^__ALLEGRO_5_CFG")) {
char *allegro5_cfg = load_allegro5_cfg();
d_print(allegro5_cfg);
free(allegro5_cfg);
}
else {
d_print(line);
}
}
}
static void postprocess_latex(void)
{
dstr line;
while (d_getline(line)) {
/* Insert \label{id} for all sections which are probably API entries.
* T-Rex doesn't seem to backtrack properly if we write "(sub)*".
*/
if (d_match(line,
"\\\\(sub)?(sub)?(sub)?(sub)?section\\{((al|ALLEGRO)[^}]+)")) {
d_print(line);
d_printf("\\label{");
print_sans_backslashes(d_submatch(5));
d_printf("}\n");
continue;
}
/* Replace `verbatim' environment by `Verbatim' from fancyvrb,
* which gives us some flexibility over the formatting.
*/
if (d_match(line, "\\\\begin\\{verbatim\\}$")) {
d_printf("%s", d_before_match);
d_print("\\begin{Verbatim}");
continue;
}
if (d_match(line, "\\\\end\\{verbatim\\}$")) {
d_printf("%s", d_before_match);
d_print("\\end{Verbatim}");
continue;
}
d_print(line);
}
}
static void cat(void)
{
dstr line;
while (d_getline(line))
d_print(line);
}
static void print_sans_backslashes(const char *p)
{
for (; *p; p++) {
if (*p != '\\')
fputc(*p, D_STDOUT);
}
}
/* vim: set sts=3 sw=3 et: */
|
