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#!/bin/bash
#
# Generate header insert for HTTP headers
#
# 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 https://www.iana.org/assignments/http-fields/field-names.csv -O perm-headers.csv || exit
echo Generating...
echo '/**
* @defgroup headers HTTP headers
* These are the standard headers found in HTTP requests and responses.
* See: https://www.iana.org/assignments/http-fields/http-fields.xhtml
* Registry export date: '"$(date -u +%Y-%m-%d)"'
* @{
*/
/* Main HTTP headers. */' > header_insert_headers.h && \
gawk -e 'BEGIN {FPAT = "([^,]*)|(\"[^\"]+\")"}
FNR > 1 {
gsub(/^\[|^"\[|\]"$|\]$/, "", $4)
field_name = $1
status = $3
ref = $4
comment = $5
if ("RFC-ietf-httpbis" == substr(ref, 1, 16))
{
gsub(/\]\[/, "; ", ref)
if (length(status) == 0)
{ status = "No category" }
else
{ sub(/^./, toupper(substr(status, 1, 1)), status) }
field_name = gensub(/\*/, "ASTERISK", "g", field_name)
field_name = gensub(/[^a-zA-Z0-9_]/, "_", "g", field_name)
printf ("/* %-14.14s %s */\n", status ".", ref)
printf ("#define MHD_HTTP_HEADER_%-12s \"%s\"\n", toupper(field_name), $1)
}
}' perm-headers.csv >> header_insert_headers.h && \
echo '
/* Additional HTTP headers. */' >> header_insert_headers.h && \
gawk -e 'BEGIN {FPAT = "([^,]*)|(\"[^\"]+\")"}
FNR > 1 {
gsub(/^\[|^"\[|\]"$|\]$/, "", $4)
field_name = $1
status = $3
ref = $4
comment = $5
if ("RFC-ietf-httpbis" != substr(ref, 1, 16) && status == "permanent")
{
gsub(/\]\[/, "; ", ref)
sub(/^./, toupper(substr(status, 1, 1)), status)
field_name = gensub(/\*/, "ASTERISK", "g", field_name)
field_name = gensub(/[^a-zA-Z0-9_]/, "_", "g", field_name)
printf ("/* %-14.14s %s */\n", status ".", ref)
printf ("#define MHD_HTTP_HEADER_%-12s \"%s\"\n", toupper(field_name), $1)
}
}' perm-headers.csv >> header_insert_headers.h && \
gawk -e 'BEGIN {FPAT = "([^,]*)|(\"[^\"]+\")"}
FNR > 1 {
gsub(/^\[|^"\[|\]"$|\]$/, "", $4)
field_name = $1
status = $3
ref = $4
comment = $5
if ("RFC-ietf-httpbis" != substr(ref, 1, 16) && status == "provisional")
{
gsub(/\]\[/, "; ", ref)
sub(/^./, toupper(substr(status, 1, 1)), status)
field_name = gensub(/\*/, "ASTERISK", "g", field_name)
field_name = gensub(/[^a-zA-Z0-9_]/, "_", "g", field_name)
printf ("/* %-14.14s %s */\n", status ".", ref)
printf ("#define MHD_HTTP_HEADER_%-12s \"%s\"\n", toupper(field_name), $1)
}
}' perm-headers.csv >> header_insert_headers.h && \
gawk -e 'BEGIN {FPAT = "([^,]*)|(\"[^\"]+\")"}
FNR > 1 {
gsub(/^\[|^"\[|\]"$|\]$/, "", $4)
field_name = $1
status = $3
ref = $4
comment = $5
if ("RFC-ietf-httpbis" != substr(ref, 1, 16) && length(status) == 0)
{
gsub(/\]\[/, "; ", ref)
status = "No category"
field_name = gensub(/\*/, "ASTERISK", "g", field_name)
field_name = gensub(/[^a-zA-Z0-9_]/, "_", "g", field_name)
printf ("/* %-14.14s %s */\n", status ".", ref)
printf ("#define MHD_HTTP_HEADER_%-12s \"%s\"\n", toupper(field_name), $1)
}
}' perm-headers.csv >> header_insert_headers.h && \
gawk -e 'BEGIN {FPAT = "([^,]*)|(\"[^\"]+\")"}
FNR > 1 {
gsub(/^\[|^"\[|\]"$|\]$/, "", $4)
field_name = $1
status = $3
ref = $4
comment = $5
if ("RFC-ietf-httpbis" != substr(ref, 1, 16) && status == "deprecated")
{
gsub(/\]\[/, "; ", ref)
sub(/^./, toupper(substr(status, 1, 1)), status)
field_name = gensub(/\*/, "ASTERISK", "g", field_name)
field_name = gensub(/[^a-zA-Z0-9_]/, "_", "g", field_name)
printf ("/* %-14.14s %s */\n", status ".", ref)
printf ("#define MHD_HTTP_HEADER_%-12s \"%s\"\n", toupper(field_name), $1)
}
}' perm-headers.csv >> header_insert_headers.h && \
gawk -e 'BEGIN {FPAT = "([^,]*)|(\"[^\"]+\")"}
FNR > 1 {
gsub(/^\[|^"\[|\]"$|\]$/, "", $4)
field_name = $1
status = $3
ref = $4
comment = $5
if ("RFC-ietf-httpbis" != substr(ref, 1, 16) && status == "obsoleted")
{
gsub(/\]\[/, "; ", ref)
sub(/^./, toupper(substr(status, 1, 1)), status)
field_name = gensub(/\*/, "ASTERISK", "g", field_name)
field_name = gensub(/[^a-zA-Z0-9_]/, "_", "g", field_name)
printf ("/* %-14.14s %s */\n", status ".", ref)
printf ("#define MHD_HTTP_HEADER_%-12s \"%s\"\n", toupper(field_name), $1)
}
}' perm-headers.csv >> header_insert_headers.h && \
echo OK && \
rm perm-headers.csv || exit
|
