Edit
kc3-lang/libxkbcommon/tools/tools-common.c
Pierre Le Marre
- tools/tools-common.c
-
/* * Copyright © 2009 Dan Nicholson <dbn.lists@gmail.com> * Copyright © 2012 Intel Corporation * Copyright © 2012 Ran Benita <ran234@gmail.com> * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * Except as contained in this notice, the names of the authors or their * institutions shall not be used in advertising or otherwise to promote the * sale, use or other dealings in this Software without prior written * authorization from the authors. * * Author: Dan Nicholson <dbn.lists@gmail.com> * Daniel Stone <daniel@fooishbar.org> * Ran Benita <ran234@gmail.com> */ #include "config.h" #include <errno.h> #include <limits.h> #include <fcntl.h> #include <stdlib.h> #include <string.h> #include <sys/types.h> #include <sys/stat.h> #ifdef _WIN32 #include <io.h> #include <windows.h> #else #include <unistd.h> #include <termios.h> #endif #include "tools-common.h" #include "src/utils.h" #include "src/keysym.h" #include "src/compose/parser.h" static void print_keycode(struct xkb_keymap *keymap, const char* prefix, xkb_keycode_t keycode, const char *suffix) { const char *keyname = xkb_keymap_key_get_name(keymap, keycode); if (keyname) { printf("%s%-4s%s", prefix, keyname, suffix); } else { printf("%s%-4d%s", prefix, keycode, suffix); } } #ifdef ENABLE_PRIVATE_APIS #include "src/keymap.h" void print_keymap_modmaps(struct xkb_keymap *keymap) { printf("Modifiers mapping:\n"); for (xkb_mod_index_t vmod = 0; vmod < xkb_keymap_num_mods(keymap); vmod++) { if (keymap->mods.mods[vmod].type & MOD_REAL) continue; printf("- %s: ", xkb_keymap_mod_get_name(keymap, vmod)); if (keymap->mods.mods[vmod].mapping) { bool first = true; for (xkb_mod_index_t mod = 0; mod < xkb_keymap_num_mods(keymap); mod++) { if (keymap->mods.mods[vmod].mapping & (UINT32_C(1) << mod)) { if (first) { first = false; printf("%s", xkb_keymap_mod_get_name(keymap, mod)); } else { printf("+ %s", xkb_keymap_mod_get_name(keymap, mod)); } } } } else { printf("(unmapped)"); } printf("\n"); } } #define MODMAP_PADDING 7 #define VMODMAP_PADDING 9 static void print_key_modmaps(struct xkb_keymap *keymap, xkb_keycode_t keycode) { const struct xkb_key *key = XkbKey(keymap, keycode); if (key != NULL) { xkb_mod_index_t mod; printf("modmap [ "); if (key->modmap) { for (mod = 0; mod < xkb_keymap_num_mods(keymap); mod++) { if (key->modmap & (UINT32_C(1) << mod)) { printf("%-*s", (int) MODMAP_PADDING, xkb_keymap_mod_get_name(keymap, mod)); break; } } } else { printf("%*c", (int) MODMAP_PADDING, ' '); } printf(" ] vmodmap [ "); int length = 0; const char *mod_name; for (mod = 0; mod < xkb_keymap_num_mods(keymap); mod++) { if (key->vmodmap & (UINT32_C(1) << mod)) { mod_name = xkb_keymap_mod_get_name(keymap, mod); length += strlen(mod_name) + 1; printf("%s ", mod_name); } } if (length < VMODMAP_PADDING) { printf("%*c", (int) VMODMAP_PADDING - length, ' '); } printf("] "); } } void print_keys_modmaps(struct xkb_keymap *keymap) { const struct xkb_key *key; printf("Keys modmaps:\n"); xkb_keys_foreach(key, keymap) { if (key->modmap || key->vmodmap) { print_keycode(keymap, "- ", key->keycode, ": "); print_key_modmaps(keymap, key->keycode); putchar('\n'); } } } #endif void tools_print_keycode_state(const char *prefix, struct xkb_state *state, struct xkb_compose_state *compose_state, xkb_keycode_t keycode, enum xkb_consumed_mode consumed_mode, print_state_fields_mask_t fields) { struct xkb_keymap *keymap; xkb_keysym_t sym; const xkb_keysym_t *syms; int nsyms; #define BUFFER_SIZE MAX(XKB_COMPOSE_MAX_STRING_SIZE, XKB_KEYSYM_NAME_MAX_SIZE) assert(XKB_KEYSYM_UTF8_MAX_SIZE <= BUFFER_SIZE); char s[BUFFER_SIZE]; #undef BUFFER_SIZE xkb_layout_index_t layout; enum xkb_compose_status status; keymap = xkb_state_get_keymap(state); nsyms = xkb_state_key_get_syms(state, keycode, &syms); if (nsyms <= 0) return; status = XKB_COMPOSE_NOTHING; if (compose_state) status = xkb_compose_state_get_status(compose_state); if (status == XKB_COMPOSE_COMPOSING || status == XKB_COMPOSE_CANCELLED) return; if (status == XKB_COMPOSE_COMPOSED) { sym = xkb_compose_state_get_one_sym(compose_state); syms = &sym; nsyms = 1; } else if (nsyms == 1) { sym = xkb_state_key_get_one_sym(state, keycode); syms = &sym; } if (prefix) printf("%s", prefix); print_keycode(keymap, "keycode [ ", keycode, " ] "); #ifdef ENABLE_PRIVATE_APIS if (fields & PRINT_MODMAPS) { print_key_modmaps(keymap, keycode); } #endif printf("keysyms [ "); for (int i = 0; i < nsyms; i++) { xkb_keysym_get_name(syms[i], s, sizeof(s)); printf("%-*s ", XKB_KEYSYM_NAME_MAX_SIZE, s); } printf("] "); if (fields & PRINT_UNICODE) { if (status == XKB_COMPOSE_COMPOSED) xkb_compose_state_get_utf8(compose_state, s, sizeof(s)); else xkb_state_key_get_utf8(state, keycode, s, sizeof(s)); /* HACK: escape single control characters from C0 set using the * Unicode codepoint convention. Ideally we would like to escape * any non-printable character in the string. */ if (!*s) { printf("unicode [ ] "); } else if (strlen(s) == 1 && (*s <= 0x1F || *s == 0x7F)) { printf("unicode [ U+%04hX ] ", *s); } else { printf("unicode [ %s ] ", s); } } layout = xkb_state_key_get_layout(state, keycode); if (fields & PRINT_LAYOUT) { printf("layout [ %s (%d) ] ", xkb_keymap_layout_get_name(keymap, layout), layout); } printf("level [ %d ] ", xkb_state_key_get_level(state, keycode, layout)); printf("mods [ "); for (xkb_mod_index_t mod = 0; mod < xkb_keymap_num_mods(keymap); mod++) { if (xkb_state_mod_index_is_active(state, mod, XKB_STATE_MODS_EFFECTIVE) <= 0) continue; if (xkb_state_mod_index_is_consumed2(state, keycode, mod, consumed_mode)) printf("-%s ", xkb_keymap_mod_get_name(keymap, mod)); else printf("%s ", xkb_keymap_mod_get_name(keymap, mod)); } printf("] "); printf("leds [ "); for (xkb_led_index_t led = 0; led < xkb_keymap_num_leds(keymap); led++) { if (xkb_state_led_index_is_active(state, led) <= 0) continue; printf("%s ", xkb_keymap_led_get_name(keymap, led)); } printf("] "); printf("\n"); } void tools_print_state_changes(enum xkb_state_component changed) { if (changed == 0) return; printf("changed [ "); if (changed & XKB_STATE_LAYOUT_EFFECTIVE) printf("effective-layout "); if (changed & XKB_STATE_LAYOUT_DEPRESSED) printf("depressed-layout "); if (changed & XKB_STATE_LAYOUT_LATCHED) printf("latched-layout "); if (changed & XKB_STATE_LAYOUT_LOCKED) printf("locked-layout "); if (changed & XKB_STATE_MODS_EFFECTIVE) printf("effective-mods "); if (changed & XKB_STATE_MODS_DEPRESSED) printf("depressed-mods "); if (changed & XKB_STATE_MODS_LATCHED) printf("latched-mods "); if (changed & XKB_STATE_MODS_LOCKED) printf("locked-mods "); if (changed & XKB_STATE_LEDS) printf("leds "); printf("]\n"); } #ifdef _WIN32 void tools_disable_stdin_echo(void) { HANDLE stdin_handle = GetStdHandle(STD_INPUT_HANDLE); DWORD mode = 0; GetConsoleMode(stdin_handle, &mode); SetConsoleMode(stdin_handle, mode & ~ENABLE_ECHO_INPUT); } void tools_enable_stdin_echo(void) { HANDLE stdin_handle = GetStdHandle(STD_INPUT_HANDLE); DWORD mode = 0; GetConsoleMode(stdin_handle, &mode); SetConsoleMode(stdin_handle, mode | ENABLE_ECHO_INPUT); } #else void tools_disable_stdin_echo(void) { /* Same as `stty -echo`. */ struct termios termios; if (tcgetattr(STDIN_FILENO, &termios) == 0) { termios.c_lflag &= ~ECHO; (void) tcsetattr(STDIN_FILENO, TCSADRAIN, &termios); } } void tools_enable_stdin_echo(void) { /* Same as `stty echo`. */ struct termios termios; if (tcgetattr(STDIN_FILENO, &termios) == 0) { termios.c_lflag |= ECHO; (void) tcsetattr(STDIN_FILENO, TCSADRAIN, &termios); } } #endif int tools_exec_command(const char *prefix, int real_argc, char **real_argv) { char *argv[64] = {NULL}; char executable[PATH_MAX]; const char *command; int rc; if (((size_t)real_argc >= ARRAY_SIZE(argv))) { fprintf(stderr, "Too many arguments\n"); return EXIT_INVALID_USAGE; } command = real_argv[0]; rc = snprintf(executable, sizeof(executable), "%s/%s-%s", LIBXKBCOMMON_TOOL_PATH, prefix, command); if (rc < 0 || (size_t) rc >= sizeof(executable)) { fprintf(stderr, "Failed to assemble command\n"); return EXIT_FAILURE; } argv[0] = executable; for (int i = 1; i < real_argc; i++) argv[i] = real_argv[i]; execv(executable, argv); if (errno == ENOENT) { fprintf(stderr, "Command '%s' is not available\n", command); return EXIT_INVALID_USAGE; } else { fprintf(stderr, "Failed to execute '%s' (%s)\n", command, strerror(errno)); } return EXIT_FAILURE; } bool is_pipe_or_regular_file(int fd) { struct stat info; if (fstat(fd, &info) == 0) { return S_ISFIFO(info.st_mode) || S_ISREG(info.st_mode); } else { return false; } } FILE* tools_read_stdin(void) { FILE *file = tmpfile(); if (!file) { fprintf(stderr, "Failed to create tmpfile\n"); return NULL; } while (true) { char buf[4096] = {0}; const size_t len = fread(buf, 1, sizeof(buf), stdin); if (ferror(stdin)) { fprintf(stderr, "Failed to read from stdin\n"); goto err; } if (len > 0) { size_t wlen = fwrite(buf, 1, len, file); if (wlen != len) { fprintf(stderr, "Failed to write to tmpfile\n"); goto err; } } if (feof(stdin)) break; } fseek(file, 0, SEEK_SET); return file; err: fclose(file); return NULL; }