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kc3-lang/libxkbcommon/test/common.c

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  • Author : Adrian Perez de Castro
    Date : 2019-08-05 15:44:33
    Hash : abb2f9d9
    Message : MSVC: Provide implementations of test_{dis,en}able_stdin_echo This provides implementations of the test_enable_stdin_echo and test_disable_stdin_echo which do not require <termios.h>, which is not available on Windows.

  • test/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 <limits.h>
    #include <fcntl.h>
    #include <sys/types.h>
    #include <sys/stat.h>
    #ifdef _MSC_VER
    #include <io.h>
    #include <windows.h>
    #else
    #include <unistd.h>
    #include <termios.h>
    #endif
    
    #include "test.h"
    #include "utils.h"
    
    /*
     * Test a sequence of keysyms, resulting from a sequence of key presses,
     * against the keysyms they're supposed to generate.
     *
     * - Each test runs with a clean state.
     * - Each line in the test is made up of:
     *   + A keycode, given as a KEY_* from linux/input.h.
     *   + A direction - DOWN for press, UP for release, BOTH for
     *     immediate press + release, REPEAT to just get the syms.
     *   + A sequence of keysyms that should result from this keypress.
     *
     * The vararg format is:
     * <KEY_*>  <DOWN | UP | BOTH>  <XKB_KEY_* (zero or more)>  <NEXT | FINISH>
     *
     * See below for examples.
     */
    int
    test_key_seq_va(struct xkb_keymap *keymap, va_list ap)
    {
        struct xkb_state *state;
    
        xkb_keycode_t kc;
        int op;
        xkb_keysym_t keysym;
    
        const xkb_keysym_t *syms;
        xkb_keysym_t sym;
        unsigned int nsyms, i;
        char ksbuf[64];
    
        fprintf(stderr, "----\n");
    
        state = xkb_state_new(keymap);
        assert(state);
    
        for (;;) {
            kc = va_arg(ap, int) + EVDEV_OFFSET;
            op = va_arg(ap, int);
    
            nsyms = xkb_state_key_get_syms(state, kc, &syms);
            if (nsyms == 1) {
                sym = xkb_state_key_get_one_sym(state, kc);
                syms = &sym;
            }
    
            fprintf(stderr, "got %u syms for keycode %u: [", nsyms, kc);
    
            if (op == DOWN || op == BOTH)
                xkb_state_update_key(state, kc, XKB_KEY_DOWN);
            if (op == UP || op == BOTH)
                xkb_state_update_key(state, kc, XKB_KEY_UP);
    
            for (i = 0; i < nsyms; i++) {
                keysym = va_arg(ap, int);
                xkb_keysym_get_name(syms[i], ksbuf, sizeof(ksbuf));
                fprintf(stderr, "%s%s", (i != 0) ? ", " : "", ksbuf);
    
                if (keysym == FINISH || keysym == NEXT) {
                    xkb_keysym_get_name(syms[i], ksbuf, sizeof(ksbuf));
                    fprintf(stderr, "Did not expect keysym: %s.\n", ksbuf);
                    goto fail;
                }
    
                if (keysym != syms[i]) {
                    xkb_keysym_get_name(keysym, ksbuf, sizeof(ksbuf));
                    fprintf(stderr, "Expected keysym: %s. ", ksbuf);;
                    xkb_keysym_get_name(syms[i], ksbuf, sizeof(ksbuf));
                    fprintf(stderr, "Got keysym: %s.\n", ksbuf);;
                    goto fail;
                }
            }
    
            if (nsyms == 0) {
                keysym = va_arg(ap, int);
                if (keysym != XKB_KEY_NoSymbol) {
                    xkb_keysym_get_name(keysym, ksbuf, sizeof(ksbuf));
                    fprintf(stderr, "Expected %s, but got no keysyms.\n", ksbuf);
                    goto fail;
                }
            }
    
            fprintf(stderr, "]\n");
    
            keysym = va_arg(ap, int);
            if (keysym == NEXT)
                continue;
            if (keysym == FINISH)
                break;
    
            xkb_keysym_get_name(keysym, ksbuf, sizeof(ksbuf));
            fprintf(stderr, "Expected keysym: %s. Didn't get it.\n", ksbuf);
            goto fail;
        }
    
        xkb_state_unref(state);
        return 1;
    
    fail:
        xkb_state_unref(state);
        return 0;
    }
    
    int
    test_key_seq(struct xkb_keymap *keymap, ...)
    {
        va_list ap;
        int ret;
    
        va_start(ap, keymap);
        ret = test_key_seq_va(keymap, ap);
        va_end(ap);
    
        return ret;
    }
    
    char *
    test_get_path(const char *path_rel)
    {
        int ret;
        char *path;
        const char *srcdir;
    
        srcdir = getenv("top_srcdir");
        if (!srcdir)
            srcdir = ".";
    
        if (path_rel[0] == '/')
            return strdup(path_rel);
    
        ret = asprintf(&path, "%s/test/data%s%s", srcdir,
                       path_rel[0] ? "/" : "", path_rel);
        if (ret < 0) {
            fprintf(stderr, "Failed to allocate path for %s\n", path_rel);
            return NULL;
        }
        return path;
    }
    
    char *
    test_read_file(const char *path_rel)
    {
        struct stat info;
        char *ret, *tmp, *path;
        int fd, count, remaining;
    
        path = test_get_path(path_rel);
        if (!path)
            return NULL;
    
        fd = open(path, O_RDONLY);
        free(path);
        if (fd < 0)
            return NULL;
    
        if (fstat(fd, &info) != 0) {
            close(fd);
            return NULL;
        }
    
        ret = malloc(info.st_size + 1);
        if (!ret) {
            close(fd);
            return NULL;
        }
    
        remaining = info.st_size;
        tmp = ret;
        while ((count = read(fd, tmp, remaining))) {
            remaining -= count;
            tmp += count;
        }
        ret[info.st_size] = '\0';
        close(fd);
    
        if (remaining != 0) {
            free(ret);
            return NULL;
        }
    
        return ret;
    }
    
    struct xkb_context *
    test_get_context(enum test_context_flags test_flags)
    {
        enum xkb_context_flags ctx_flags;
        struct xkb_context *ctx;
        char *path;
    
        ctx_flags = XKB_CONTEXT_NO_DEFAULT_INCLUDES;
        if (test_flags & CONTEXT_ALLOW_ENVIRONMENT_NAMES) {
            unsetenv("XKB_DEFAULT_RULES");
            unsetenv("XKB_DEFAULT_MODEL");
            unsetenv("XKB_DEFAULT_LAYOUT");
            unsetenv("XKB_DEFAULT_VARIANT");
            unsetenv("XKB_DEFAULT_OPTIONS");
        }
        else {
            ctx_flags |= XKB_CONTEXT_NO_ENVIRONMENT_NAMES;
        }
    
        ctx = xkb_context_new(ctx_flags);
        if (!ctx)
            return NULL;
    
        path = test_get_path("");
        if (!path) {
            xkb_context_unref(ctx);
            return NULL;
        }
    
        xkb_context_include_path_append(ctx, path);
        free(path);
    
        return ctx;
    }
    
    struct xkb_keymap *
    test_compile_file(struct xkb_context *context, const char *path_rel)
    {
        struct xkb_keymap *keymap;
        FILE *file;
        char *path;
    
        path = test_get_path(path_rel);
        if (!path)
            return NULL;
    
        file = fopen(path, "rb");
        if (!file) {
            fprintf(stderr, "Failed to open path: %s\n", path);
            free(path);
            return NULL;
        }
        assert(file != NULL);
    
        keymap = xkb_keymap_new_from_file(context, file,
                                          XKB_KEYMAP_FORMAT_TEXT_V1, 0);
        fclose(file);
    
        if (!keymap) {
            fprintf(stderr, "Failed to compile path: %s\n", path);
            free(path);
            return NULL;
        }
    
        fprintf(stderr, "Successfully compiled path: %s\n", path);
        free(path);
    
        return keymap;
    }
    
    struct xkb_keymap *
    test_compile_string(struct xkb_context *context, const char *string)
    {
        struct xkb_keymap *keymap;
    
        keymap = xkb_keymap_new_from_string(context, string,
                                            XKB_KEYMAP_FORMAT_TEXT_V1, 0);
        if (!keymap) {
            fprintf(stderr, "Failed to compile string\n");
            return NULL;
        }
    
        return keymap;
    }
    
    struct xkb_keymap *
    test_compile_buffer(struct xkb_context *context, const char *buf, size_t len)
    {
        struct xkb_keymap *keymap;
    
        keymap = xkb_keymap_new_from_buffer(context, buf, len,
                                            XKB_KEYMAP_FORMAT_TEXT_V1, 0);
        if (!keymap) {
            fprintf(stderr, "Failed to compile keymap from memory buffer\n");
            return NULL;
        }
    
        return keymap;
    }
    
    struct xkb_keymap *
    test_compile_rules(struct xkb_context *context, const char *rules,
                       const char *model, const char *layout,
                       const char *variant, const char *options)
    {
        struct xkb_keymap *keymap;
        struct xkb_rule_names rmlvo = {
            .rules = isempty(rules) ? NULL : rules,
            .model = isempty(model) ? NULL : model,
            .layout = isempty(layout) ? NULL : layout,
            .variant = isempty(variant) ? NULL : variant,
            .options = isempty(options) ? NULL : options
        };
    
        if (!rules && !model && !layout && !variant && !options)
            keymap = xkb_keymap_new_from_names(context, NULL, 0);
        else
            keymap = xkb_keymap_new_from_names(context, &rmlvo, 0);
    
        if (!keymap) {
            fprintf(stderr,
                    "Failed to compile RMLVO: '%s', '%s', '%s', '%s', '%s'\n",
                    rules, model, layout, variant, options);
            return NULL;
        }
    
        return keymap;
    }
    
    void
    test_print_keycode_state(struct xkb_state *state,
                             struct xkb_compose_state *compose_state,
                             xkb_keycode_t keycode,
                             enum xkb_consumed_mode consumed_mode)
    {
        struct xkb_keymap *keymap;
    
        xkb_keysym_t sym;
        const xkb_keysym_t *syms;
        int nsyms;
        char s[16];
        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;
        }
    
        printf("keysyms [ ");
        for (int i = 0; i < nsyms; i++) {
            xkb_keysym_get_name(syms[i], s, sizeof(s));
            printf("%-*s ", (int) sizeof(s), s);
        }
        printf("] ");
    
        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));
        printf("unicode [ %s ] ", s);
    
        layout = xkb_state_key_get_layout(state, keycode);
        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
    test_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 _MSC_VER
    void
    test_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
    test_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
    test_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
    test_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