diff --git a/CMakeLists.txt b/CMakeLists.txt
index 51b7aa1..a297f30 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,5 +2,5 @@ cmake_minimum_required(VERSION 3.5)
 project(zero-epwing)
 include_directories(eb)
 link_directories(eb/eb/.libs jansson/lib)
-add_executable(zero-epwing main.c util.c convert.c)
+add_executable(zero-epwing main.c util.c convert.c hooks.c)
 target_link_libraries(zero-epwing libeb.a libz.a libjansson.a)
diff --git a/hooks.c b/hooks.c
new file mode 100644
index 0000000..1f489f7
--- /dev/null
+++ b/hooks.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2016  Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "hooks.h"
+#include "eb/eb/eb.h"
+#include "eb/eb/text.h"
+
+#define HOOK_TAG_HELPER(FUNC_NAME, TAG_NAME) \
+    static EB_Error_Code hook_##FUNC_NAME##_begin(\
+        EB_Book*           book,\
+        EB_Appendix*       appendix,\
+        void*              container,\
+        EB_Hook_Code       code,\
+        int                argc,\
+        const unsigned int argv[]\
+    ) {\
+        eb_write_text_string(book, "<" #TAG_NAME ">");\
+        (void)appendix;\
+        (void)container;\
+        (void)code;\
+        (void)argc;\
+        (void)argv;\
+        return 0;\
+    }
+
+#define HOOK_TAG_SINGLE(NAME) \
+    HOOK_TAG_HELPER(NAME, NAME)
+
+#define HOOK_TAG_PAIR(NAME) \
+    HOOK_TAG_HELPER(NAME##_begin, #NAME); \
+    HOOK_TAG_HELPER(NAME##_end, "/" #NAME);
+
+HOOK_TAG_PAIR(candidate);         /* EB_HOOK_BEGIN_CANDIDATE */
+HOOK_TAG_PAIR(color_bmp);         /* EB_HOOK_BEGIN_COLOR_BMP */
+HOOK_TAG_PAIR(color_jpeg);        /* EB_HOOK_BEGIN_COLOR_JPEG */
+HOOK_TAG_PAIR(decoration);        /* EB_HOOK_BEGIN_DECORATION */
+HOOK_TAG_PAIR(emphasis);          /* EB_HOOK_BEGIN_EMPHASIS */
+HOOK_TAG_PAIR(gray_graphic);      /* EB_HOOK_BEGIN_GRAY_GRAPHIC */
+HOOK_TAG_PAIR(in_color_bmp);      /* EB_HOOK_BEGIN_IN_COLOR_BMP */
+HOOK_TAG_PAIR(in_color_jpeg);     /* EB_HOOK_BEGIN_IN_COLOR_JPEG */
+HOOK_TAG_PAIR(keyword);           /* EB_HOOK_BEGIN_KEYWORD */
+HOOK_TAG_PAIR(mono_graphic);      /* EB_HOOK_BEGIN_MONO_GRAPHIC */
+HOOK_TAG_PAIR(mpeg);              /* EB_HOOK_BEGIN_MPEG */
+HOOK_TAG_PAIR(narrow);            /* EB_HOOK_BEGIN_NARROW */
+HOOK_TAG_PAIR(no_newline);        /* EB_HOOK_BEGIN_NO_NEWLINE */
+HOOK_TAG_PAIR(reference);         /* EB_HOOK_BEGIN_REFERENCE */
+HOOK_TAG_PAIR(subscript);         /* EB_HOOK_BEGIN_SUBSCRIPT */
+HOOK_TAG_PAIR(superscript);       /* EB_HOOK_BEGIN_SUPERSCRIPT */
+HOOK_TAG_PAIR(wave);              /* EB_HOOK_BEGIN_WAVE */
+
+HOOK_TAG_SINGLE(gb2312);          /* EB_HOOK_GB2312 */
+HOOK_TAG_SINGLE(iso8859_1);       /* EB_HOOK_ISO8859_1 */
+HOOK_TAG_SINGLE(narrow_font);     /* EB_HOOK_NARROW_FONT */
+HOOK_TAG_SINGLE(narrow_jisx0208); /* EB_HOOK_NARROW_JISX0208 */
+HOOK_TAG_SINGLE(newline);         /* EB_HOOK_NEWLINE */
+HOOK_TAG_SINGLE(set_indent);      /* EB_HOOK_SET_INDENT */
+HOOK_TAG_SINGLE(wide_font);       /* EB_HOOK_WIDE_FONT */
+HOOK_TAG_SINGLE(wide_jisx0208);   /* EB_HOOK_WIDE_JISX0208 */
+HOOK_TAG_SINGLE(null);            /* EB_HOOK_NULL */
diff --git a/hooks.h b/hooks.h
new file mode 100644
index 0000000..ed8fc0e
--- /dev/null
+++ b/hooks.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2016  Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef HOOKS_H
+#define HOOKS_H
+
+
+#endif