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
|
From 4af3828bdaed433eb56d5d80b2efc1b6721fa5e8 Mon Sep 17 00:00:00 2001
From: aabacchus <ben@bvnf.space>
Date: Thu, 26 May 2022 13:10:01 +0100
Subject: [PATCH] support tagged links
---
documentation | 8 ++++++++
smu.c | 28 ++++++++++++++++++++++++----
2 files changed, 32 insertions(+), 4 deletions(-)
diff --git a/documentation b/documentation
index 8ce605a..064e516 100644
--- a/documentation
+++ b/documentation
@@ -95,6 +95,14 @@ The resulting HTML-Code
<a href="http://s01.de/~gottox/index.cgi/proj_smu">smu - simple mark up</a></p>
+To make a link to the location in the page, use
+
+ %[myheader]
+
+which results in
+
+ <a href="#myheader" id="myheader">myheader</a>
+
Lists
-----
diff --git a/smu.c b/smu.c
index 28d413c..74917b9 100644
--- a/smu.c
+++ b/smu.c
@@ -250,7 +250,7 @@ dolineprefix(const char *begin, const char *end, int newblock) {
int
dolink(const char *begin, const char *end, int newblock) {
- int img, len, sep, parens_depth = 1;
+ int img = 0, tagged = 0, len, sep, parens_depth = 1;
const char *desc, *link, *p, *q, *descend, *linkend;
const char *title = NULL, *titleend = NULL;
@@ -258,20 +258,26 @@ dolink(const char *begin, const char *end, int newblock) {
img = 0;
else if(strncmp(begin, "![", 2) == 0)
img = 1;
+ else if(strncmp(begin, "%[", 2) == 0)
+ tagged = 1;
else
return 0;
- p = desc = begin + 1 + img;
- if(!(p = strstr(desc, "](")) || p > end)
+ p = desc = begin + 1 + (img || tagged);
+ if(tagged && (!(p = strstr(desc, "]")) || p > end))
+ return 0;
+ if(!tagged && (!(p = strstr(desc, "](")) || p > end))
return 0;
for(q = strstr(desc, "!["); q && q < end && q < p; q = strstr(q + 1, "!["))
if(!(p = strstr(p + 1, "](")) || p > end)
return 0;
descend = p;
link = p + 2;
+ if(tagged)
+ link = desc;
/* find end of link while handling nested parens */
q = link;
- while(parens_depth) {
+ while(!tagged && parens_depth) {
if(!(q = strpbrk(q, "()")) || q > end)
return 0;
if(*q == '(')
@@ -281,6 +287,11 @@ dolink(const char *begin, const char *end, int newblock) {
if(parens_depth && q < end)
q++;
}
+ if(tagged) {
+ if(!(q = strchr(q, ']')) || q > end)
+ return 0;
+ }
+
if((p = strpbrk(link, "\"'")) && p < end && q - 1 > p + 1) {
sep = p[0]; /* separator: can be " or ' */
@@ -316,6 +327,15 @@ dolink(const char *begin, const char *end, int newblock) {
}
fputs("/>", stdout);
}
+ else if(tagged) {
+ fputs("<a href=\"#", stdout);
+ hprint(link, linkend);
+ fputs("\" id=\"", stdout);
+ hprint(link, linkend);
+ fputs("\">", stdout);
+ hprint(desc, descend);
+ fputs("</a>",stdout);
+ }
else {
fputs("<a href=\"", stdout);
hprint(link, linkend);
--
2.36.1
|
