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libmicrohttpd/contrib/gen_http_methods_insert.sh
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#!/bin/bash
#
# Generate header insert for HTTP methods
#
# Copyright (c) 2015-2021 Karlson2k (Evgeny Grin) <k2k@yandex.ru>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
wget -nv http://www.iana.org/assignments/http-methods/methods.csv -O methods.csv || exit
echo Generating...
echo '/**
* @defgroup methods HTTP methods
* HTTP methods (as strings).
* See: https://www.iana.org/assignments/http-methods/http-methods.xml
* Registry export date: '"$(date -u +%Y-%m-%d)"'
* @{
*/
/* Main HTTP methods. */' > header_insert_methods.h && \
gawk -e 'BEGIN {FPAT = "([^,]*)|(\"[^\"]+\")"}
function strnumcmp(s1, s2, n1, n2, a1, a2)
{
n1 = length(s1)
n2 = length(s2)
if (0 == n1 && 0 == n2)
return 0
if (0 == n1 && 0 < n2)
return -1
if (0 < n1 && 0 == n2)
return 1
n1 = match(s1, /^[^0-9]+/, a1)
n2 = match(s2, /^[^0-9]+/, a2)
if (0 != n1)
{
if (0 == n2)
return 1
if ((a1[0] "") < (a2[0] ""))
return -1
if ((a1[0] "") > (a2[0] ""))
return 1
}
else
{
if (0 != n2)
return -1
}
s1 = substr(s1, length(a1[0]) + 1)
s2 = substr(s2, length(a2[0]) + 1)
n1 = match(s1, /^[0-9]+/, a1)
n2 = match(s2, /^[0-9]+/, a2)
if (0 != n1)
{
if (0 == n2)
return 1
if ((a1[0] + 0) < (a2[0] + 0))
return -1
if ((a1[0] + 0) > (a2[0] + 0))
return 1
}
else
{
if (0 != n2)
return -1
}
return strnumcmp(substr(s1, length(a1[0]) + 1), substr(s2, length(a2[0]) + 1))
}
function sort_indices(i1, v1, i2, v2)
{
return strnumcmp(gensub(/[^0-9A-Za-z]+/, " ", "g", i1), gensub(/[^0-9A-Za-z]+/, " ", "g", i2))
}
FNR > 1 {
mthd_m = $1
reference_m = $4
gsub(/^\[|^"\[|\]"$|\]$/, "", reference_m)
gsub(/\]\[/, "; ", reference_m)
if (reference_m ~ /^RFC911[0-2]/ && mthd_m != "*") {
if ($2 == "yes")
{ safe_m = "Safe. " }
else
{ safe_m = "Not safe." }
if ($3 == "yes")
{ indem_m = "Idempotent. " }
else
{ indem_m = "Not idempotent." }
idx_str = reference_m
main_methods[idx_str] = sprintf ("%s\n", "/* " safe_m " " indem_m " " reference_m ". */")
mthd_tkn = gensub(/\*/, "ASTERISK", "g", mthd_m)
gsub(/[^a-zA-Z0-9_]/, "_", mthd_tkn)
main_methods[idx_str] = (main_methods[idx_str] sprintf ("%-32s \"%s\"\n", "#define MHD_HTTP_METHOD_" toupper(mthd_tkn), mthd_m))
}
}
END {
n = asort(main_methods, main_methods, "sort_indices")
for (i = 1; i <= n; i++)
printf("%s", main_methods[i])
}
' methods.csv >> header_insert_methods.h && \
echo '
/* Additional HTTP methods. */' >> header_insert_methods.h && \
gawk -e 'BEGIN {FPAT = "([^,]*)|(\"[^\"]+\")"}
FNR > 1 {
gsub(/^\[|^"\[|\]"$|\]$/, "", $4)
gsub(/\]\[/, "; ", $4)
if ($4 !~ /^RFC911[0-2]/ || $1 == "*") {
if ($2 == "yes")
{ safe_m = "Safe. " }
else
{ safe_m = "Not safe." }
if ($3 == "yes")
{ indem_m = "Idempotent. " }
else
{ indem_m = "Not idempotent." }
print "/* " safe_m " " indem_m " " $4 ". */"
mthd = gensub(/\*/, "ASTERISK", "g", $1)
mthd = gensub(/[^a-zA-Z0-9_]/, "_", "g", mthd)
printf ("%-38s \"%s\"\n", "#define MHD_HTTP_METHOD_" toupper(mthd), $1)
}
}' methods.csv >> header_insert_methods.h && \
echo '
/** @} */ /* end of group methods */
' >> header_insert_methods.h &&
echo OK && \
rm methods.csv || exit