--- /dev/null
+#!/bin/bash
+
+# Formatting helpers
+function comment {
+ echo "/* $* */"
+}
+
+function banner {
+ echo "/***********************************************************"
+ echo " * $1"
+ echo " ***********************************************************/"
+}
+
+function enum {
+ printf "\t%-30s = %s,\n" "$(upper $1)" "$2"
+}
+
+function upper {
+ echo $1 | tr 'a-z' 'A-Z'
+}
+
+# XPath Helpers
+function xpath {
+ xmllint --xpath $1 wayland.xml
+}
+
+function xpathv {
+ xpath $1 | sed -r 's/\w+="([^"]+)"/\1/g'
+}
+
+function exists {
+ xpath "$1" > /dev/null 2>&1
+}
+
+function isarray {
+ exists "$1/arg[@type='string']|$1/arg[@type='array']|$1/arg[@type='fd']"
+}
+
+# Message helpers
+function msg_field {
+ case $1 in
+ int) echo -e "\tint32_t $2;" ;;
+ uint) echo -e "\tuint32_t $2;" ;;
+ new_id) echo -e "\tuint32_t $2;" ;;
+ object) echo -e "\tuint32_t $2;" ;;
+ fixed) echo -e "\twl_fixed_t $2;" ;;
+ array) echo -e "\twl_array_t $2;" ;;
+ string) echo -e "\twl_string_t $2;" ;;
+ fd) ;;
+ esac
+}
+
+function msg_array {
+ for t in $(xpathv "$1"); do
+ case $t in
+ array) echo -n "a" ;;
+ string) echo -n "s" ;;
+ fd) echo -n "f" ;;
+ *) echo -n "-" ;;
+ esac
+ done
+}
+
+# Interface functions
+function print_iface_vers {
+ local vers
+ for i in $IFACES; do
+ vers=$(xpath "string(/protocol/interface[@name='$i']/@version)")
+ printf "#define %-32s %s\n" "$(upper ${i}_version)" "$vers"
+ done
+}
+
+function print_iface_enum {
+ local cnt
+ cnt=0
+ for i in $IFACES; do
+ enum "${i}" $((cnt++))
+ done
+ enum "wl_num_interfaces" $((cnt++))
+}
+
+# Enumeration functions
+function print_enums {
+ local base k v
+ base="/protocol/interface[@name='$i']/enum"
+ if exists "$base"; then
+ comment $1
+ for e in $(xpathv "$base/@name"); do
+ echo "typedef enum {"
+ for n in $(xpathv "$base[@name='$e']/entry/@name"); do
+ k="$base[@name='$e']/entry[@name='$n']/@value"
+ v=$(xpath "string($k)")
+ printf "\t%-40s = %s,\n" \
+ "$(upper "${i}_${e}_${n}")" "$v"
+ done
+ echo "} ${i}_${e};"
+ echo
+ done
+ fi
+}
+
+# Message functions
+function print_msg_ids {
+ local cnt base
+ cnt=0
+ base="/protocol/interface[@name='$IFACE']/$2"
+ if exists "$base"; then
+ comment $1
+ echo "typedef enum {"
+ for r in $(xpathv "$base/@name"); do
+ enum "${IFACE}_${r}" $((cnt++))
+ done
+ enum "${IFACE/wl/wl_num}_${2}s" $((cnt++))
+ echo "} ${IFACE}_${2}_t;"
+ echo
+ fi
+}
+
+function print_msg_defs {
+ local base msgs args k t
+ base="/protocol/interface[@name='$IFACE']/$2"
+ if exists "$base/arg"; then
+ comment $1
+ msgs=$(xpathv "$base/@name")
+ for m in $msgs; do
+ if exists "$base[@name='$m']/arg"; then
+ echo "typedef struct {"
+ args=$(xpathv "$base[@name='$m']/arg/@name")
+ for a in $args; do
+ k="$base[@name='$m']/arg[@name='$a']/@type"
+ t=$(xpath "string($k)")
+ msg_field "$t" "$a"
+ done
+ echo "} ${IFACE}_${m}_t;"
+ echo
+ fi
+ done
+ fi
+}
+
+function print_msg_union {
+ local base t n
+ for IFACE in $IFACES; do
+ base="/protocol/interface[@name='$IFACE']/$1"
+ if exists "$base"; then
+ for r in $(xpathv "$base/@name"); do
+ if exists "$base[@name='$r']/arg"; then
+ t="${IFACE}_${r}_t"
+ n="${IFACE}_${r/wl_/}"
+ printf '\t%-50s %s;\n' "$t" "$n"
+ fi
+ done
+ fi
+ done
+}
+
+function print_msg_table {
+ local base size idx str
+ for IFACE in $IFACES; do
+ base="/protocol/interface[@name='$IFACE']/$1"
+ size="$(upper "${IFACE/wl/wl_num}_${1}s")"
+ if isarray "$base"; then
+ echo -e "\t[$(upper $IFACE)] (const char *[$size]) {"
+ for r in $(xpathv "$base/@name"); do
+ if isarray "$base[@name='$r']"; then
+ idx="$(upper "${IFACE}_${r}")"
+ str="$(msg_array "$base[@name='$r']/arg/@type")"
+ printf '\t\t%-30s "%s",\n' "[$idx]" "$str"
+ fi
+ done
+ echo -e "\t},"
+ fi
+ done
+}
+
+# Main
+IFACES=$(xpathv "/protocol/interface/@name")
+
+cat <<EOF
+#ifndef WAYLAND_H
+#define WAYLAND_H
+
+#include <stdint.h>
+
+$(banner "Common Types")
+
+#define WL_MESSAGE_LEN 4096
+
+typedef struct {
+ uint32_t id;
+ uint32_t len : 16;
+ uint32_t op : 16;
+} wl_header_t;
+
+typedef struct {
+ uint32_t len;
+ char *str;
+} wl_string_t;
+
+typedef struct {
+ uint32_t len;
+ void *data;
+} wl_array_t;
+
+typedef struct {
+ uint32_t num : 24;
+ uint32_t frac : 8;
+} wl_fixed_t;
+
+$(banner "Interfaces")
+
+/* Interface Versions */
+$(print_iface_vers)
+
+/* Interface IDs */
+typedef enum {
+$(print_iface_enum)
+} wl_interface_t;
+
+$(for IFACE in $IFACES; do
+ banner "Interface $(upper $IFACE)"
+ echo
+ print_msg_ids "Request IDs" request
+ print_msg_ids "Event IDs" event
+ print_enums "Enumerations"
+ print_msg_defs "Requests Messages" request
+ print_msg_defs "Events Messages" event
+done)
+
+/* Union messages */
+typedef union {
+$(print_msg_union request)
+} wl_request_t;
+
+typedef union {
+$(print_msg_union event)
+} wl_event_t;
+
+$(banner "Arrays and Strings")
+
+/* Constants */
+#define WL_ARRAY_NONE '-'
+#define WL_ARRAY_STRING 's'
+#define WL_ARRAY_ARRAY 'a'
+#define WL_ARRAY_FD 'f'
+
+extern const char **wl_rarray[WL_NUM_INTERFACES];
+extern const char **wl_earray[WL_NUM_INTERFACES];
+
+/* Request Array */
+#ifdef WL_DEFINE_TABLES
+const char **wl_rarray[WL_NUM_INTERFACES] = {
+$(print_msg_table request)
+};
+#endif
+
+/* Event Array */
+#ifdef WL_DEFINE_TABLES
+const char **wl_earray[WL_NUM_INTERFACES] = {
+$(print_msg_table event)
+};
+#endif
+
+#endif
+EOF
projects / wmpus / blobdiff