Prepare tokenizer for filter names.

[apps/pfixtools.git] / postlicyd / filter_tokens.sh

diff --git a/postlicyd/filter_tokens.sh b/postlicyd/filter_tokens.sh
new file mode 100755 (executable)
index 0000000..f34d36d
--- /dev/null
+++ b/postlicyd/filter_tokens.sh
@@ -0,0 +1,128 @@
+#! /bin/sh -e
+
+die() {
+    echo "$@" 1>&2
+    exit 2
+}
+
+do_hdr() {
+    cat <<EOF
+/******************************************************************************/
+/*          postlicyd: a postfix policy daemon with a lot of features         */
+/*          ~~~~~~~~~                                                         */
+/*  ________________________________________________________________________  */
+/*                                                                            */
+/*  Redistribution and use in source and binary forms, with or without        */
+/*  modification, are permitted provided that the following conditions        */
+/*  are met:                                                                  */
+/*                                                                            */
+/*  1. Redistributions of source code must retain the above copyright         */
+/*     notice, this list of conditions and the following disclaimer.          */
+/*  2. Redistributions in binary form must reproduce the above copyright      */
+/*     notice, this list of conditions and the following disclaimer in the    */
+/*     documentation and/or other materials provided with the distribution.   */
+/*  3. The names of its contributors may not be used to endorse or promote    */
+/*     products derived from this software without specific prior written     */
+/*     permission.                                                            */
+/*                                                                            */
+/*  THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND   */
+/*  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE     */
+/*  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR        */
+/*  PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS    */
+/*  BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR    */
+/*  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF      */
+/*  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS  */
+/*  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN   */
+/*  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)   */
+/*  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF    */
+/*  THE POSSIBILITY OF SUCH DAMAGE.                                           */
+/******************************************************************************/
+
+/*****     THIS FILE IS AUTOGENERATED DO NOT MODIFY DIRECTLY !    *****/
+
+EOF
+}
+
+do_h() {
+    do_hdr
+    cat <<EOF
+#ifndef PFIXTOOLS_FILTERS_H
+#define PFIXTOOLS_FILTERS_H
+
+typedef enum filter_token {
+    FTK_UNKNOWN = -1,
+`grep_self "$0" | tr 'a-z-/' 'A-Z__' | sed -e 's/.*/    FTK_&,/'`
+    FTK_count,
+} filter_token;
+
+extern const char *ftokens[FTK_count];
+
+__attribute__((pure))
+filter_token filter_tokenize(const char *s, ssize_t len);
+#endif /* MUTT_LIB_LUA_LUA_TOKEN_H */
+EOF
+}
+
+do_tokens() {
+    while read tok; do
+        echo "$tok, FTK_`echo $tok | tr 'a-z-' 'A-Z_'`"
+    done
+}
+
+do_c() {
+    this=`basename "$0"`
+    cat <<EOF | gperf -m16 -l -t -C -F",0" -Ntokenize_aux | \
+        sed -e '/__gnu_inline__/d;s/\<\(__\|\)inline\>//g'
+%{
+`do_hdr`
+
+#include "str.h"
+#include "`echo "${this%.sh}"`.h"
+
+static const struct tok *
+tokenize_aux(const char *str, unsigned int len);
+
+%}
+struct tok { const char *name; int val; };
+%%
+`grep_self "$0" | do_tokens`
+%%
+
+const char *ftokens[FTK_count] = {
+`grep_self "$0" | sed -e 's/.*/    "&",/'`
+};
+
+filter_token filter_tokenize(const char *s, ssize_t len)
+{
+    if (len < 0)
+        len = m_strlen(s);
+
+    if (len) {
+        const struct tok *res = tokenize_aux(s, len);
+        return res ? res->val : FTK_UNKNOWN;
+    } else {
+        return FTK_UNKNOWN;
+    }
+}
+EOF
+}
+
+grep_self() {
+    grep '^## ' "$1" | cut -d' ' -f2
+}
+
+trap "rm -f $1" 1 2 3 15
+rm -f $1
+case "$1" in
+    *.h) do_h > $1;;
+    *.c) do_c > $1;;
+    *)  die "you must ask for the 'h' or 'c' generation";;
+esac
+chmod -w $1
+
+exit 0
+
+############ Put tokens here ############
+## rbl
+## greylist
+## poisonous