diff options
Diffstat (limited to 'libs/ui/KeyLayoutMap.cpp')
| -rw-r--r-- | libs/ui/KeyLayoutMap.cpp | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/libs/ui/KeyLayoutMap.cpp b/libs/ui/KeyLayoutMap.cpp deleted file mode 100644 index 15ae54c..0000000 --- a/libs/ui/KeyLayoutMap.cpp +++ /dev/null @@ -1,235 +0,0 @@ -#define LOG_TAG "KeyLayoutMap" - -#include "KeyLayoutMap.h" -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <unistd.h> -#include <errno.h> -#include <utils/String8.h> -#include <stdlib.h> -#include <ui/KeycodeLabels.h> -#include <utils/Log.h> - -namespace android { - -KeyLayoutMap::KeyLayoutMap() - :m_status(NO_INIT), - m_keys() -{ -} - -KeyLayoutMap::~KeyLayoutMap() -{ -} - -static String8 -next_token(char const** p, int *line) -{ - bool begun = false; - const char* begin = *p; - const char* end = *p; - while (true) { - if (*end == '\n') { - (*line)++; - } - switch (*end) - { - case '#': - if (begun) { - *p = end; - return String8(begin, end-begin); - } else { - do { - begin++; - end++; - } while (*begin != '\0' && *begin != '\n'); - } - case '\0': - case ' ': - case '\n': - case '\r': - case '\t': - if (begun || (*end == '\0')) { - *p = end; - return String8(begin, end-begin); - } else { - begin++; - end++; - break; - } - default: - end++; - begun = true; - } - } -} - -static int32_t -token_to_value(const char *literal, const KeycodeLabel *list) -{ - while (list->literal) { - if (0 == strcmp(literal, list->literal)) { - return list->value; - } - list++; - } - return list->value; -} - -status_t -KeyLayoutMap::load(const char* filename) -{ - int fd = open(filename, O_RDONLY); - if (fd < 0) { - LOGE("error opening file=%s err=%s\n", filename, strerror(errno)); - m_status = errno; - return errno; - } - - off_t len = lseek(fd, 0, SEEK_END); - off_t errlen = lseek(fd, 0, SEEK_SET); - if (len < 0 || errlen < 0) { - close(fd); - LOGE("error seeking file=%s err=%s\n", filename, strerror(errno)); - m_status = errno; - return errno; - } - - char* buf = (char*)malloc(len+1); - if (read(fd, buf, len) != len) { - LOGE("error reading file=%s err=%s\n", filename, strerror(errno)); - m_status = errno != 0 ? errno : ((int)NOT_ENOUGH_DATA); - return errno != 0 ? errno : ((int)NOT_ENOUGH_DATA); - } - errno = 0; - buf[len] = '\0'; - - int32_t scancode = -1; - int32_t keycode = -1; - uint32_t flags = 0; - uint32_t tmp; - char* end; - status_t err = NO_ERROR; - int line = 1; - char const* p = buf; - enum { BEGIN, SCANCODE, KEYCODE, FLAG } state = BEGIN; - while (true) { - String8 token = next_token(&p, &line); - if (*p == '\0') { - break; - } - switch (state) - { - case BEGIN: - if (token == "key") { - state = SCANCODE; - } else { - LOGE("%s:%d: expected key, got '%s'\n", filename, line, - token.string()); - err = BAD_VALUE; - goto done; - } - break; - case SCANCODE: - scancode = strtol(token.string(), &end, 0); - if (*end != '\0') { - LOGE("%s:%d: expected scancode (a number), got '%s'\n", - filename, line, token.string()); - goto done; - } - //LOGI("%s:%d: got scancode %d\n", filename, line, scancode ); - state = KEYCODE; - break; - case KEYCODE: - keycode = token_to_value(token.string(), KEYCODES); - //LOGI("%s:%d: got keycode %d for %s\n", filename, line, keycode, token.string() ); - if (keycode == 0) { - LOGE("%s:%d: expected keycode, got '%s'\n", - filename, line, token.string()); - goto done; - } - state = FLAG; - break; - case FLAG: - if (token == "key") { - if (scancode != -1) { - //LOGI("got key decl scancode=%d keycode=%d" - // " flags=0x%08x\n", scancode, keycode, flags); - Key k = { keycode, flags }; - m_keys.add(scancode, k); - state = SCANCODE; - scancode = -1; - keycode = -1; - flags = 0; - break; - } - } - tmp = token_to_value(token.string(), FLAGS); - //LOGI("%s:%d: got flags %x for %s\n", filename, line, tmp, token.string() ); - if (tmp == 0) { - LOGE("%s:%d: expected flag, got '%s'\n", - filename, line, token.string()); - goto done; - } - flags |= tmp; - break; - } - } - if (state == FLAG && scancode != -1 ) { - //LOGI("got key decl scancode=%d keycode=%d" - // " flags=0x%08x\n", scancode, keycode, flags); - Key k = { keycode, flags }; - m_keys.add(scancode, k); - } - -done: - free(buf); - close(fd); - - m_status = err; - return err; -} - -status_t -KeyLayoutMap::map(int32_t scancode, int32_t *keycode, uint32_t *flags) const -{ - if (m_status != NO_ERROR) { - return m_status; - } - - ssize_t index = m_keys.indexOfKey(scancode); - if (index < 0) { - //LOGW("couldn't map scancode=%d\n", scancode); - return NAME_NOT_FOUND; - } - - const Key& k = m_keys.valueAt(index); - - *keycode = k.keycode; - *flags = k.flags; - - //LOGD("mapped scancode=%d to keycode=%d flags=0x%08x\n", scancode, - // keycode, flags); - - return NO_ERROR; -} - -status_t -KeyLayoutMap::findScancodes(int32_t keycode, Vector<int32_t>* outScancodes) const -{ - if (m_status != NO_ERROR) { - return m_status; - } - - const size_t N = m_keys.size(); - for (size_t i=0; i<N; i++) { - if (m_keys.valueAt(i).keycode == keycode) { - outScancodes->add(m_keys.keyAt(i)); - } - } - - return NO_ERROR; -} - -}; |