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keymanutil.c
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keymanutil.c
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/* vim:set et sts=4: */
/*
* Keyman Input Method for IBUS (The Input Bus)
*
* Copyright (C) 2018 SIL International
*
* keymanutil is dual licensed under the MIT or GPL licenses as described below.
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* MIT license
*
* 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 OR COPYRIGHT HOLDERS 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.
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* OR
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*
*/
#include <stdlib.h>
#include <dirent.h>
#include <sys/stat.h>
#include <glib.h>
#include <glib/gprintf.h>
#include <string.h>
#include <keyman/keyman_core_api.h>
#include "bcp47util.h"
#include "kmpdetails.h"
#include "keyman-version.h"
#include "keymanutil.h"
#include "keymanutil_internal.h"
#define N_(text) text
GHashTable *custom_keyboards = NULL;
void free_cust_kbd(gpointer data) {
if (data == NULL)
return;
cust_kbd *kbd_data = (cust_kbd *)data;
g_free(kbd_data->kb_id_with_lang);
g_free(kbd_data->lang->id);
g_free(kbd_data->lang->name);
g_free(kbd_data->lang);
g_free(kbd_data);
}
// change to keyman_get_kmpdirs_fromdir
// returns list of directories with kmp.json
GList * keyman_get_kmpdirs_fromdir(GList *kmpdir_list, const gchar * path)
{
DIR *dir = opendir(path);
if (dir != NULL) {
struct dirent *file = readdir(dir);
while (file != NULL) {
struct stat filestat;
g_autofree gchar *absfn = g_strdup_printf("%s/%s", path, file->d_name);
stat(absfn, &filestat);
if (S_ISDIR(filestat.st_mode))
{
if(g_strcmp0(file->d_name, ".") != 0 && g_strcmp0(file->d_name, "..") != 0)
kmpdir_list = keyman_get_kmpdirs_fromdir(kmpdir_list, absfn);
}
// Looking for kmp.json
else if (S_ISREG(filestat.st_mode) && g_strcmp0(file->d_name, "kmp.json") == 0)
{
g_message("adding kmp path %s", path);
kmpdir_list=g_list_append(kmpdir_list, g_strdup(path));
}
file = readdir(dir);
}
closedir(dir);
}
return kmpdir_list;
}
gchar * keyman_get_icon_file(const gchar *kmx_file)
{
// Now there will only be the .png
// which at some point will get extracted from the .kmx during installation
gchar *full_path_to_icon_file, *p;
g_autofree gchar *filename;
p = rindex(kmx_file, '.');
filename = g_strndup(kmx_file, p-kmx_file);
full_path_to_icon_file=g_strdup_printf("%s.bmp.png", filename);
if (!g_file_test(full_path_to_icon_file, G_FILE_TEST_EXISTS)) {
g_free(full_path_to_icon_file);
full_path_to_icon_file=g_strdup("/usr/share/keyman/icons/default.png");
}
return full_path_to_icon_file;
}
IBusEngineDesc *
ibus_keyman_engine_desc_new(
gchar *file_name,
gchar *name,
gchar *description,
gchar *copyright,
gchar *lang,
gchar *license,
gchar *author,
gchar *icon,
gchar *layout,
gchar *version
) {
IBusEngineDesc *engine_desc;
g_autofree gchar *desc;
if (description == NULL) {
desc = g_strdup_printf("%s", copyright);
} else {
desc = g_strdup_printf("%s\n%s", description, copyright);
}
engine_desc = ibus_engine_desc_new_varargs(
"name", file_name, "longname", name, "description", desc, "language", lang ? lang : "other", "license",
license ? license : "", "author", author ? author : "", "icon", icon, "layout", layout, "version", version ? version : "",
NULL);
g_object_ref(engine_desc);
return engine_desc;
}
IBusEngineDesc *
get_engine_for_language(
kmp_keyboard *keyboard,
kmp_info *info,
keyboard_details *kbd_details,
gchar *kmp_dir,
kmp_language *lang) {
IBusEngineDesc* engine_desc = NULL;
if (!lang || !lang->id || !strlen(lang->id))
return engine_desc;
int capacity = 255;
g_autofree gchar *name_with_lang = NULL;
g_autofree gchar *minimized_tag = g_new0(gchar, capacity);
int result = bcp47_minimize(lang->id, minimized_tag, capacity);
if (result < 0) {
g_strlcpy(minimized_tag, lang->id, capacity);
}
g_autofree gchar *lang_code = g_new0(gchar, capacity);
if (!bcp47_get_language_code(minimized_tag, lang_code, capacity)) {
g_strlcpy(lang_code, minimized_tag, capacity);
}
// If ibus doesn't know about the language then append the
// language name to the keyboard name
if (lang->name != NULL) {
g_autofree gchar *ibus_lang = ibus_get_untranslated_language_name(lang_code);
g_debug("%s: untranslated ibus language for %s: %s", __FUNCTION__, minimized_tag, ibus_lang);
if (g_strcmp0(ibus_lang, "Other") == 0) {
name_with_lang = g_strjoin(" - ", keyboard->name, lang->name, NULL);
}
}
g_autofree gchar *abs_kmx = g_strjoin("/", kmp_dir, keyboard->kmx_file, NULL);
g_autofree gchar *id_with_lang = g_strjoin(":", minimized_tag, abs_kmx, NULL);
g_message("adding engine %s", id_with_lang);
engine_desc = ibus_keyman_engine_desc_new(
id_with_lang, // lang:kmx full path
name_with_lang ? name_with_lang : keyboard->name, // longname
kbd_details->description, // description
info->copyright, // copyright if available
lang_code, // language, most are ignored by ibus except major languages
kbd_details->license, // license
info->author_desc, // author name only, not email
keyman_get_icon_file(abs_kmx), // icon full path
"us", // layout defaulting to us (en-US)
keyboard->version);
return engine_desc;
}
int _get_version(const gchar **pver) {
g_assert(pver);
const gchar *ver = *pver;
int version = 0;
while (*ver && *ver != '.') {
if (*ver >= '0' && *ver <= '9') {
version = version * 10 + (*ver - '0');
ver++;
} else {
// stop comparison on first non-digit
while (*ver)
ver++;
}
}
*pver = ver;
return version;
}
int
keyman_compare_version(const gchar *ver1, const gchar *ver2) {
for (; *ver1 || *ver2; ) {
int version1 = _get_version(&ver1);
int version2 = _get_version(&ver2);
if (version1 < version2)
return -1;
if (version1 > version2)
return +1;
if (*ver1)
ver1++;
if (*ver2)
ver2++;
}
return 0;
}
gboolean
keyman_list_contains_keyboard(
GList *engines_list,
kmp_keyboard *keyboard
) {
for (GList *e = engines_list; e != NULL; e = e->next) {
IBusEngineDesc *engine_desc = (IBusEngineDesc *)e->data;
const gchar *version = ibus_engine_desc_get_version(engine_desc);
const gchar *engine_name = ibus_engine_desc_get_name(engine_desc);
g_autofree gchar *kmx_file = g_path_get_basename(engine_name);
// If we already have an engine for this keyboard (in a different area), we
// don't want to add it again since we wouldn't add anything new
// if it's the same version
if (g_strcmp0(kmx_file, keyboard->kmx_file) == 0 && keyman_compare_version(version, keyboard->version) >= 0) {
g_debug("keyboard %s already exists at version %s which is newer or same as %s", kmx_file, version, keyboard->version);
return TRUE;
}
}
return FALSE;
}
GList *
keyman_add_custom_keyboards(
kmp_keyboard *keyboard,
add_keyboard_data *kb_data,
keyboard_details * kbd_details,
gchar * kmx_path
) {
GList * engines_list = kb_data->engines_list;
GPtrArray *language_keyboards = g_hash_table_lookup(custom_keyboards, kmx_path);
if (language_keyboards == NULL)
return engines_list;
for (int i = 0; i < language_keyboards->len; i++) {
cust_kbd *data = (cust_kbd *)g_ptr_array_index(language_keyboards, i);
IBusEngineDesc *engine_desc = get_engine_for_language(keyboard, kb_data->info, kbd_details, kb_data->kmp_dir, data->lang);
if (engine_desc) {
engines_list = g_list_append(engines_list, engine_desc);
}
}
return engines_list;
}
GList *
keyman_add_keyboards_for_language_if_given(
kmp_keyboard *keyboard,
add_keyboard_data *kb_data,
keyboard_details * kbd_details,
gchar * kmx_path
) {
GList * engines_list = kb_data->engines_list;
if (keyboard->languages != NULL) {
for (GList *l = keyboard->languages; l != NULL; l = l->next) {
kmp_language *language = (kmp_language *)l->data;
IBusEngineDesc *engine_desc =
get_engine_for_language(keyboard, kb_data->info, kbd_details, kb_data->kmp_dir, language);
if (engine_desc) {
engines_list = g_list_append(engines_list, engine_desc);
}
}
} else {
g_message("adding engine %s", kmx_path);
engines_list = g_list_append(
engines_list,
ibus_keyman_engine_desc_new(
kmx_path, // kmx full path
keyboard->name, // longname
kbd_details->description, // description
kb_data->info->copyright, // copyright if available
NULL, // language, most are ignored by ibus except major languages
kbd_details->license, // license
kb_data->info->author_desc, // author name only, not email
keyman_get_icon_file(kmx_path), // icon full path
"us", // layout defaulting to us (en-US)
keyboard->version));
}
return engines_list;
}
// Add a keyboard (ibus engine) to the list of engines
void
keyman_add_keyboard(
gpointer data,
gpointer user_data
) {
kmp_keyboard *keyboard = (kmp_keyboard *)data;
add_keyboard_data *kb_data = (add_keyboard_data *)user_data;
if (keyman_list_contains_keyboard(kb_data->engines_list, keyboard)) {
return;
}
g_autofree gchar *json_file = g_strjoin(".", keyboard->id, "json", NULL);
g_autoptr(keyboard_details) kbd_details = g_new0(keyboard_details, 1);
get_keyboard_details(kb_data->kmp_dir, json_file, kbd_details);
g_autofree gchar *abs_kmx = g_strjoin("/", kb_data->kmp_dir, keyboard->kmx_file, NULL);
kb_data->engines_list = keyman_add_keyboards_for_language_if_given(keyboard, kb_data, kbd_details, abs_kmx);
kb_data->engines_list = keyman_add_custom_keyboards(keyboard, kb_data, kbd_details, abs_kmx);
}
// Add keyboards found in {kmp_dir}/kmp.json to engines_list
void
keyman_add_keyboards_from_dir(gpointer data, gpointer user_data) {
gchar * kmp_dir = (gchar *) data;
GList ** engines_list = (GList **)user_data;
g_autoptr(kmp_details) details = g_new0(kmp_details, 1);
if (get_kmp_details(kmp_dir, details) == JSON_OK) {
add_keyboard_data kb_data;
kb_data.engines_list = *engines_list;
kb_data.info = &details->info;
kb_data.kmp_dir = kmp_dir;
g_list_foreach(details->keyboards, keyman_add_keyboard, &kb_data);
*engines_list = kb_data.engines_list;
}
}
GList *
ibus_keyman_list_engines()
{
GList *engines = NULL;
GList *kmpdir_list;
gchar *xdgenv;
g_autofree gchar *local_keyboard_path;
custom_keyboards = keyman_get_custom_keyboard_dictionary();
g_debug("adding from /usr/share/keyman");
kmpdir_list = keyman_get_kmpdirs_fromdir(NULL, "/usr/share/keyman");
g_debug("adding from /usr/local/share/keyman");
kmpdir_list = keyman_get_kmpdirs_fromdir(kmpdir_list, "/usr/local/share/keyman");
xdgenv = getenv("XDG_DATA_HOME");
if (xdgenv != NULL){
local_keyboard_path= g_strdup_printf("%s/keyman", xdgenv);
}
else {
xdgenv = getenv("HOME");
local_keyboard_path= g_strdup_printf("%s/.local/share/keyman", xdgenv);
}
g_debug("adding from %s", local_keyboard_path);
kmpdir_list = keyman_get_kmpdirs_fromdir(kmpdir_list, local_keyboard_path);
g_list_foreach(kmpdir_list, keyman_add_keyboards_from_dir, &engines);
g_list_free_full(kmpdir_list, g_free);
return engines;
}
void
add_engine(
gpointer data,
gpointer user_data
) {
IBusEngineDesc *desc = IBUS_ENGINE_DESC(data);
IBusComponent *component = IBUS_COMPONENT(user_data);
ibus_component_add_engine(component, g_object_ref(desc));
}
IBusComponent *
ibus_keyman_get_component (void)
{
IBusComponent *component;
component = ibus_component_new ("org.freedesktop.IBus.Keyman",
N_("Keyman"),
KEYMAN_VERSION,
"GPL",
"Keyman team <[email protected]>",
"https://keyman.com",
"",
"ibus-keyman");
g_autolist(IBusEngineDesc) engines = ibus_keyman_list_engines();
g_list_foreach(engines, add_engine, component);
return component;
}
// Obtain Keyboard Options list from DConf
// DConf options are in a list of strings like ['option_key1=value1', 'option_key2=value2']
//
// Parameters:
// package_id (gchar *): Package ID
// keyboard_id (gchar *): Keyboard ID
//
// Returns a newly allocated gchar**; free with g_strfreev()
gchar**
keyman_get_options_fromdconf(gchar *package_id,
gchar *keyboard_id)
{
g_message("keyman_get_options_fromdconf");
// Obtain keyboard options from DConf
g_autofree gchar *path = g_strdup_printf("%s%s/%s/", KEYMAN_DCONF_OPTIONS_PATH, package_id, keyboard_id);
GSettings *child_settings = g_settings_new_with_path(KEYMAN_DCONF_OPTIONS_CHILD_NAME, path);
gchar **options = NULL;
if (child_settings != NULL)
{
options = g_settings_get_strv(child_settings, KEYMAN_DCONF_OPTIONS_KEY);
}
g_object_unref(G_OBJECT(child_settings));
return options;
}
// Obtain Keyboard Options from DConf and parse into a GQueue of struct km_core_option_item
//
// Parameters:
// package_id (gchar *): Package ID
// keyboard_id (gchar *): Keyboard ID
//
// Return a newly allocated GQueue; free with g_queue_free_full()
GQueue*
keyman_get_options_queue_fromdconf(gchar *package_id,
gchar *keyboard_id)
{
g_message("keyman_get_options_queue_fromdconf");
GQueue *queue_options = g_queue_new();
// Obtain keyboard options from DConf
g_auto(GStrv) options = keyman_get_options_fromdconf(package_id, keyboard_id);
// Parse options into queue_options
if (options != NULL)
{
int index = 0;
while (options[index] != NULL)
{
g_auto(GStrv) option_tokens = g_strsplit(options[index], "=", 2);
if (option_tokens != NULL && option_tokens[0] != NULL && option_tokens[1] != NULL)
{
g_message("Keyboard Option [%d], %s=%s", index, option_tokens[0], option_tokens[1]);
km_core_option_item *opt = g_new0(km_core_option_item, 1);
opt[0].scope = KM_CORE_OPT_KEYBOARD;
km_core_cu *ocp = g_utf8_to_utf16(option_tokens[0], -1, NULL, NULL, NULL);
opt[0].key = ocp;
ocp = g_utf8_to_utf16 (option_tokens[1], -1, NULL, NULL, NULL);
opt[0].value = ocp;
g_queue_push_tail(queue_options, opt);
}
index++;
}
}
return queue_options;
}
// Write new keyboard option to DConf.
// DConf options are in a list of strings like ['option_key1=value1', 'option_key2=value2']
// If the option key already exists, the value is updated. Otherwise a new string
// 'option_key=option_value' is appended.
//
// Parameters:
// package_id (gchar *): Package ID
// keyboard_id (gchar *): Keyboard ID
// option_key (gchar *): Key for the new option
// option_value (gchar *): Value of the new option
void
keyman_put_options_todconf(gchar *package_id,
gchar *keyboard_id,
gchar *option_key,
gchar *option_value)
{
g_message("keyman_put_options_todconf");
if (package_id == NULL || keyboard_id == NULL || option_key == NULL || option_value == NULL)
{
return;
}
// Obtain keyboard options from DConf
g_auto(GStrv) options = keyman_get_options_fromdconf(package_id, keyboard_id);
g_autofree gchar *needle = g_strdup_printf("%s=", option_key);
gchar *kvp = g_strdup_printf("%s=%s", option_key, option_value);
g_assert(options != NULL);
int index = 0;
gboolean option_updated = FALSE;
while (options[index] != NULL)
{
// If option_key already exists, update value with option_value
if (g_strrstr(options[index], needle) != NULL)
{
g_free(options[index]);
options[index] = kvp;
option_updated = TRUE;
break;
}
index++;
}
if (!option_updated)
{
// Resize to add new option and null-terminate
int size = index + 2; // old size: index + 1, plus 1 new
options = g_renew(gchar*, options, size);
options[index] = kvp;
options[index+1] = NULL;
}
// Write to DConf
g_autofree gchar *path = g_strdup_printf("%s%s/%s/", KEYMAN_DCONF_OPTIONS_PATH, package_id, keyboard_id);
g_autoptr(GSettings) child_settings = g_settings_new_with_path(KEYMAN_DCONF_OPTIONS_CHILD_NAME, path);
if (child_settings != NULL)
{
g_message("writing keyboard options to DConf");
g_settings_set_strv(child_settings, KEYMAN_DCONF_OPTIONS_KEY, (const gchar *const *)options);
}
// kvp got assigned to options[x] and so gets freed when options are freed
}
static GPtrArray *
_ptr_array_new_from_array(
gpointer *data,
gsize len,
gboolean null_terminated) {
GPtrArray *array;
g_assert(data != NULL || len == 0);
g_assert(len <= G_MAXUINT);
array = g_ptr_array_new_full(len, NULL);
for (gsize i = 0; i < len; i++)
array->pdata[i] = g_strdup(data[i]);
if (null_terminated && array->pdata != NULL)
array->pdata[len++] = NULL;
array->len = len;
return array;
}
// `g_ptr_array_new_from_null_terminated_array` is only available in GLib 2.76, but we're still
// stuck to 2.64 (Ubuntu 20.04 Focal) and 2.72 (Ubuntu 22.04 Jammy). Therefore we
// copy the implementation here (slightly simplified). Once we're past 2.76 we can use the GLib method
// directly.
GPtrArray *
_g_ptr_array_new_from_null_terminated_array(
gpointer *data,
GCopyFunc copy_func,
gpointer copy_func_user_data,
GDestroyNotify element_free_func) {
gsize len = 0;
if (data != NULL) {
for (gsize i = 0; data[i] != NULL; ++i)
len += 1;
}
g_assert(data != NULL || len == 0);
g_return_val_if_fail(len <= G_MAXUINT, NULL);
return _ptr_array_new_from_array(data, len, TRUE);
}
GPtrArray *
_keyman_cleanup_custom_keyboards(gchar **keyboards) {
GPtrArray *ptr_array = _g_ptr_array_new_from_null_terminated_array((gpointer*)keyboards, NULL, NULL, NULL);
for (int i = 0; i < ptr_array->len; i++) {
if (ptr_array->pdata[i] == NULL) {
continue;
}
g_auto(GStrv) keyboard_tokens = g_strsplit(ptr_array->pdata[i], ":", 2);
if (keyboard_tokens == NULL
|| keyboard_tokens[0] == NULL || strlen(keyboard_tokens[0]) == 0
|| keyboard_tokens[1] == NULL || strlen(keyboard_tokens[1]) == 0
) {
g_ptr_array_remove_index(ptr_array, i--);
}
}
return ptr_array;
}
gchar **
keyman_get_custom_keyboards() {
g_autoptr(GSettings) settings = g_settings_new(KEYMAN_DCONF_ENGINE_NAME);
g_auto(GStrv) result = g_settings_get_strv(settings, KEYMAN_DCONF_KEYBOARDS_KEY);
if (result && result[0] == NULL) {
return NULL;
}
g_autoptr(GPtrArray) cleaned_result = _keyman_cleanup_custom_keyboards(result);
return (gchar**)g_ptr_array_steal(cleaned_result, NULL);
}
void
keyman_set_custom_keyboards(gchar ** keyboards) {
g_autoptr(GSettings) settings = g_settings_new(KEYMAN_DCONF_ENGINE_NAME);
g_autoptr(GPtrArray) cleaned_keyboards = _keyman_cleanup_custom_keyboards(keyboards);
g_settings_set_strv(settings, KEYMAN_DCONF_KEYBOARDS_KEY, (const gchar *const *)cleaned_keyboards->pdata);
}
GHashTable *
keyman_get_custom_keyboard_dictionary() {
g_auto(GStrv) custom_keyboards = keyman_get_custom_keyboards();
if (!custom_keyboards)
return NULL;
GHashTable *hash_table = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, (GDestroyNotify)g_ptr_array_unref);
for (int i = 0; custom_keyboards[i]; i++) {
g_auto(GStrv) keyboard_tokens = g_strsplit(custom_keyboards[i], ":", 2);
if (keyboard_tokens != NULL && keyboard_tokens[0] != NULL && keyboard_tokens[1] != NULL) {
GPtrArray *language_keyboards = g_hash_table_lookup(hash_table, keyboard_tokens[1]);
if (!language_keyboards) {
language_keyboards = g_ptr_array_new_full(1, free_cust_kbd);
g_hash_table_insert(hash_table, g_strdup(keyboard_tokens[1]), language_keyboards);
}
cust_kbd *data = g_new0(cust_kbd, 1);
data->kb_id_with_lang = g_strdup(custom_keyboards[i]);
data->lang = g_new0(kmp_language, 1);
data->lang->id = g_strdup(keyboard_tokens[0]);
g_ptr_array_add(language_keyboards, data);
} else {
g_debug("%s: Invalid keyboard: '%s'", __FUNCTION__, custom_keyboards[i]);
}
}
return hash_table;
}
#ifdef DEBUG
#include <locale.h>
int main ()
{
IBusComponent *component;
GString *output;
setlocale (LC_ALL, "");
ibus_init ();
component = ibus_keyman_get_component ();
output = g_string_new ("");
ibus_component_output (component, output, 1);
g_debug ("\n%s", output->str);
g_string_free (output, TRUE);
g_object_unref (component);
return 0;
}
#endif