contrib: implemented script for importing HTTP status codes

contrib/gen_http_statuses_inserts.sh

@@ -0,0 +1,85 @@
+#!/bin/bash
+
+#
+#   Generate code and header inserts for HTTP statues
+#
+
+#   Copyright (c) 2019 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-status-codes/http-status-codes-1.csv -O http-status-codes-1.csv || exit
+echo Generating...
+echo "/**
+ * @defgroup httpcode HTTP response codes.
+ * These are the status codes defined for HTTP responses.
+ * See: https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
+ * Registry export date: $(date -u +%Y-%m-%d)
+ * @{
+ */
+" > header_insert_statuses.h && \
+gawk -e 'BEGIN {FPAT = "([^,]*)|(\"[^\"]+\")"}
+FNR > 1 {
+  gsub(/^\[|^"\[|\]"$|\]$/, "", $3)
+  gsub(/\]\[/, "; ", $3)
+  if ($1 == 306) { 
+    $2 = "Switch Proxy" 
+    $3 = "Not used! " $3
+  }
+  if ($2 != "Unassigned") {
+    print "/* " $1 sprintf("%-24s", " \"" $2 "\". ") $3 ". */"
+    print "#define MHD_HTTP_" toupper(gensub(/[^A-Za-z0-0]/, "_", "g", $2)) " "$1""
+  } else {
+    print ""
+  }
+}' http-status-codes-1.csv >> header_insert_statuses.h && \
+echo '
+/* Not registered non-standard codes */
+/* 449 "Reply With".          MS IIS extension. */
+#define MHD_HTTP_RETRY_WITH 449
+
+/* 450 "Blocked by Windows Parental Controls". MS extension. */
+#define MHD_HTTP_BLOCKED_BY_WINDOWS_PARENTAL_CONTROLS 450
+
+/* 509 "Bandwidth Limit Exceeded". Apache extension. */
+#define MHD_HTTP_BANDWIDTH_LIMIT_EXCEEDED 509
+' >> header_insert_statuses.h && \
+gawk -e 'BEGIN {
+  FPAT = "([^,]*)|(\"[^\"]+\")"
+  hundreds[1]="one"
+  hundreds[2]="two"
+  hundreds[3]="three"
+  hundreds[4]="four"
+  hundreds[5]="five"
+  hundreds[6]="six"
+  prev_num=0
+}
+FNR > 1 {
+  gsub(/^\[|^"\[|\]"$|\]$/, "", $3)
+  gsub(/\]\[/, "; ", $3)
+  if ($1 % 100 == 0) {
+    if ($1 != 100) { printf("\n};\n\n") }
+    prev_num=$1 - 1;
+    print "static const char *const " hundreds[$1/100] "_hundred[] = {"
+  }
+  if ($1 == 306) { 
+    $2 = "Switch Proxy" 
+    $3 = "Not used! " $3
+  }
+  if ($2 == "Unassigned") next
+  while(++prev_num != $1) {
+    if (prev_num == 449) {reason="Reply With"; desc="MS IIS extension";}
+    else if (prev_num == 450) {reason="Blocked by Windows Parental Controls"; desc="MS extension";}
+    else if (prev_num == 509) {reason="Bandwidth Limit Exceeded"; desc="Apache extension";}
+    else {reason="Unknown"; desc="Not used";}
+    printf (",\n  /* %s */ %-24s /* %s */", prev_num, "\"" reason "\"", desc)
+  }
+  if ($1 % 100 != 0) { print "," }
+  printf ("  /* %s */ %-24s /* %s */", $1, "\""$2"\"", $3)
+}
+END {printf("\n};\n")}' http-status-codes-1.csv >> code_insert_statuses.c && \
+echo OK && \
+rm http-status-codes-1.csv || exit