fix formula for logb in n1570.html
[c-standard.git] / ann2html.sh
blobf7edb9b77959ee31df1e072694467717959c3d8a
1 #!/bin/sh
3 export LC_ALL=C
4 awk '
5 BEGIN {
6 noteid = 1
7 sid = 1
8 ss[sid] = "<pre>"
11 function esc() {
12 gsub(/\&/, "\\&amp;")
13 gsub(/</, "\\&lt;")
14 gsub(/>/, "\\&gt;")
18 esc()
21 !title && /^[^@]/ {
22 title = $0
23 gsub(/ +/, " ", title)
24 gsub(/Committee Draft --/, "", title)
27 /^@sect Contents/ {
28 ss[sid] = ss[sid] "</pre>\n"
29 seencontents = 1
30 level = 0
33 seencontents && !seenfore && /^[^@]/ {
34 id = $1
35 if (id ~ /Annex/)
36 id = $2
37 sub(/\.$/, "", id)
39 s = $0
40 if (!sub(/ +\. .*/, "", s)) {
41 getline
42 esc()
43 sub(/^ */, " ")
44 s = s $0
45 sub(/ +\. .*/, "", s)
48 if (match(s, /&lt;[a-zA-Z0-9_]*\.h&gt;/)) {
49 h = substr($0,RSTART,RLENGTH)
50 if (!(h in header))
51 header[h] = id
54 s = "<a href=\"#" id "\">" s "</a>\n"
56 s = "<li>" s
57 n = split(id, a, /\./)
58 while (n > level) {
59 s = "<ul>\n" s
60 level++
62 while (n < level) {
63 s = "</ul>\n" s
64 level--
66 ss[sid] = ss[sid] s
67 next
70 /^@sect Foreword/ {
71 while (level--)
72 ss[sid] = ss[sid] "</ul>\n"
73 seenfore = 1
76 /^@sect Index/ {
77 seenindex = 1
80 /^@title/ {
81 if (!seencontents) {
82 ss[sid] = ss[sid] "</pre>\n"
84 sid++
85 getline
86 esc()
87 ss[sid] = ss[sid] "<h1>" $0 "</h1>\n"
88 if (!seencontents) {
89 ss[sid] = ss[sid] "<pre>\n"
91 next
94 /^@sect 3\./ {
95 markdef = 1
98 /^@sect/ {
99 sid++
100 slevel = split($2,a,/\./)+1
101 if (slevel > 5)
102 slevel = 5
103 sect = $2
104 getline
105 esc()
106 # todo hX, back to top
107 ss[sid] = sprintf("<h%s><a name=\"%s\" href=\"#%s\">%s</a></h%s>\n", slevel, sect, sect, $0, slevel)
108 if ($0 == "Index")
109 ss[sid] = ss[sid] "<pre>\n"
110 next
113 /^@ul/ {
114 ss[sid] = ss[sid] "<ul>\n"
115 next
117 /^@end ul/ {
118 ss[sid] = ss[sid] "</ul>\n"
119 next
121 /^@ol/ {
122 ss[sid] = ss[sid] "<ol>\n"
123 next
125 /^@end ol/ {
126 ss[sid] = ss[sid] "</ol>\n"
127 next
130 /^@li/ {
131 ss[sid] = ss[sid] "<li>"
132 next
135 /^@pre/ {
136 pre = "<pre>"
137 next
140 /^@end pre/ {
141 if (!pre)
142 next
143 pre = pre "\n</pre>\n"
144 if (nn)
145 note[nn] = note[nn] "\n" pre
146 else
147 ss[sid] = ss[sid] pre
148 pre = ""
149 next
152 /^@note/ {
153 nn = $2+0
154 note[nn] = ""
155 next
158 /^@page/ {
159 nn = 0
160 p = $2
161 getline
162 ss[sid] = ss[sid] "<!--page " p " -->\n"
163 next
166 /^@para/ {
167 ss[sid] = ss[sid] sprintf("<p><a name=\"%sp%s\" href=\"#%sp%s\"><small>%s</small></a>\n", sect, $2, sect, $2, $2)
168 next
171 /^ ?(Syntax|Semantics|Description|Constraints|Synopsis|Returns|Recommended practice|Implementation limits|Environmental limits)$/ {
172 ss[sid] = ss[sid] "<p><b>" $0 "</b>\n"
173 next
176 !seenfore {
177 ss[sid] = ss[sid] $0 "\n"
178 next
182 s = $0
183 p = ""
184 if (seenindex)
185 r = " [A-Z1-9][0-9.]*"
186 else
187 r = "[ ([][A-Z1-9]\\.[0-9.]*[0-9]"
188 # hack
189 s = " " s
190 while (match(s, r)) {
191 p = p substr(s,1,RSTART)
192 m = substr(s,RSTART+1,RLENGTH-1)
193 if (m ~ /\.0$/ || m ~ /[4-9][0-9]/ || m ~ /[0-3][0-9][0-9]/ ||
194 substr(s,RSTART+RLENGTH,1) ~ /[a-zA-Z_\-]/)
195 p = p m
196 else
197 p = p "<a href=\"#" m "\">" m "</a>"
198 s = substr(s,RSTART+RLENGTH)
200 s = p s
201 p = ""
202 while (match(s, /[Aa]nnex [A-Z]/)) {
203 p = p substr(s,1,RSTART-1)
204 m = substr(s,RSTART,RLENGTH)
205 p = p "<a href=\"#" substr(m,RLENGTH,1) "\">" m "</a>"
206 s = substr(s,RSTART+RLENGTH)
208 s = p s
209 p = ""
210 while (match(s, /&lt;[a-zA-Z0-9_]*\.h&gt;/)) {
211 p = p substr(s,1,RSTART-1)
212 m = substr(s,RSTART,RLENGTH)
213 if (m in header)
214 p = p "<a href=\"#" header[m] "\">" m "</a>"
215 else
216 p = p m
217 s = substr(s,RSTART+RLENGTH)
219 s = p s
220 p = ""
221 # TODO: false positives..
222 while (match(s, /[a-z]opt[ )"]/))
223 s = substr(s,1,RSTART) "<sub>opt</sub>" substr(s,RSTART+RLENGTH-1)
224 if (match(s, /[a-z]opt$/))
225 s = substr(s,1,RSTART) "<sub>opt</sub>"
226 for (;;) {
227 while (match(s, noteid-1 "\\)")) {
228 p = p substr(s,1,RSTART-1)
229 p = p "<sup><a href=\"#note" noteid-1 "\"><b>" noteid-1 ")</b></a></sup>"
230 s = substr(s,RSTART+RLENGTH)
232 if (!match(s, noteid "\\)"))
233 break
234 if (noteid==1 && s !~ /\.1\)/)
235 break
236 p = p substr(s,1,RSTART-1)
237 p = p "<sup><a href=\"#note" noteid "\"><b>" noteid ")</b></a></sup>"
238 snote[sid] = snote[sid] " " noteid
239 noteid++
240 s = substr(s,RSTART+RLENGTH)
242 s = p s
243 sub(/^ *Forward references/, "<p><b>&</b>", s)
244 if (markdef) {
245 s = "<b>" s "</b><br>"
246 markdef = 0
248 if (pre)
249 pre = pre "\n" s
250 else if (nn)
251 note[nn] = note[nn] s "\n"
252 else
253 ss[sid] = ss[sid] s "\n"
256 END {
257 ss[sid] = ss[sid] "</pre>"
259 print "<html><head><title>" title "</title></head><body>"
261 for (i = 1; i <= sid; i++) {
262 print ss[i]
263 n = split(snote[i],a)
264 if (n > 0) {
265 s = "<p><b>Footnotes</b>\n"
266 for (j = 1; j <= n; j++) {
267 s = s "<p><small><a name=\"note" a[j] "\" href=\"#note" a[j] "\">" a[j] ")</a>" note[a[j]+0] "</small>\n"
269 print s
271 print "<p><small><a href=\"#Contents\">Contents</a></small>"
274 print "</body></html>"