diff options
Diffstat (limited to 'android/hw-events.c')
| -rw-r--r-- | android/hw-events.c | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/android/hw-events.c b/android/hw-events.c deleted file mode 100644 index e72440c..0000000 --- a/android/hw-events.c +++ /dev/null @@ -1,223 +0,0 @@ -/* Copyright (C) 2007-2008 The Android Open Source Project -** -** This software is licensed under the terms of the GNU General Public -** License version 2, as published by the Free Software Foundation, and -** may be copied, distributed, and modified under those terms. -** -** 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. -*/ -#include "android/hw-events.h" -#include "android/utils/bufprint.h" -#include <stdlib.h> -#include <string.h> - -typedef struct { - const char* name; - int value; -} PairRec; - -#define EV_TYPE(n,v) { STRINGIFY(n), (v) }, -#define BTN_CODE(n,v) { STRINGIFY(n), (v) }, -#define REL_CODE(n,v) { STRINGIFY(n), (v) }, -#define ABS_CODE(n,v) { STRINGIFY(n), (v) }, - -static const PairRec _ev_types_tab[] = -{ - EVENT_TYPE_LIST - { NULL, 0 } -}; - -static const PairRec _btn_codes_list[] = -{ - EVENT_BTN_LIST - { NULL, 0 } -}; - -static const PairRec _rel_codes_list[] = -{ - EVENT_REL_LIST - { NULL, 0 } -}; - -static const PairRec _abs_codes_list[] = -{ - EVENT_ABS_LIST - { NULL, 0 } -}; - -#undef EV_TYPE -#undef BTN_CODE -#undef REL_CODE -#undef ABS_CODE - -static int -count_list( const PairRec* list ) -{ - int nn = 0; - while (list[nn].name != NULL) - nn += 1; - - return nn; -} - -static int -scan_list( const PairRec* list, - const char* prefix, - const char* name, - int namelen ) -{ - int len; - - if (namelen <= 0) - return -1; - - len = strlen(prefix); - if (namelen <= len) - return -1; - if ( memcmp( name, prefix, len ) != 0 ) - return -1; - - name += len; - namelen -= len; - - for ( ; list->name != NULL; list += 1 ) - { - if ( memcmp( list->name, name, namelen ) == 0 && list->name[namelen] == 0 ) - return list->value; - } - return -1; -} - - -typedef struct { - int type; - const char* prefix; - const PairRec* pairs; -} TypeListRec; - -typedef const TypeListRec* TypeList; - -static const TypeListRec _types_list[] = -{ - { EV_KEY, "BTN_", _btn_codes_list }, - { EV_REL, "REL_", _rel_codes_list }, - { EV_ABS, "ABS_", _abs_codes_list }, - { -1, NULL, NULL } -}; - - -static TypeList -find_type_list( int type ) -{ - TypeList list = _types_list; - - for ( ; list->type >= 0; list += 1 ) - if (list->type == type) - return list; - - return NULL; -} - - -int -android_event_from_str( const char* name, - int *ptype, - int *pcode, - int *pvalue ) -{ - const char* p; - const char* pend; - const char* q; - TypeList list; - char* end; - - *ptype = 0; - *pcode = 0; - *pvalue = 0; - - p = name; - pend = p + strcspn(p, " \t"); - q = strchr(p, ':'); - if (q == NULL || q > pend) - q = pend; - - *ptype = scan_list( _ev_types_tab, "EV_", p, q-p ); - if (*ptype < 0) { - *ptype = (int) strtol( p, &end, 0 ); - if (end != q) - return -1; - } - - if (*q != ':') - return 0; - - p = q + 1; - q = strchr(p, ':'); - if (q == NULL || q > pend) - q = pend; - - list = find_type_list( *ptype ); - - *pcode = -1; - if (list != NULL) { - *pcode = scan_list( list->pairs, list->prefix, p, q-p ); - } - if (*pcode < 0) { - *pcode = (int) strtol( p, &end, 0 ); - if (end != q) - return -2; - } - - if (*q != ':') - return 0; - - p = q + 1; - q = strchr(p, ':'); - if (q == NULL || q > pend) - q = pend; - - *pvalue = (int)strtol( p, &end, 0 ); - if (end != q) - return -3; - - return 0; -} - -int -android_event_get_type_count( void ) -{ - return count_list( _ev_types_tab ); -} - -char* -android_event_bufprint_type_str( char* buff, char* end, int type_index ) -{ - return bufprint( buff, end, "EV_%s", _ev_types_tab[type_index].name ); -} - -/* returns the list of valid event code string aliases for a given event type */ -int -android_event_get_code_count( int type ) -{ - TypeList list = find_type_list(type); - - if (list == NULL) - return 0; - - return count_list( list->pairs ); -} - -char* -android_event_bufprint_code_str( char* buff, char* end, int type, int code_index ) -{ - TypeList list = find_type_list(type); - - if (list == NULL) - return buff; - - return bufprint( buff, end, "%s%s", list->prefix, list->pairs[code_index].name ); -} - |