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/* vim:set et ts=4 sts=4:
*
* ibus-libpinyin - Intelligent Pinyin engine based on libpinyin for IBus
*
* Copyright (c) 2010 Peng Wu <alexepico@gmail.com>
*
* 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 3 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 program. If not, see <http://www.gnu.org/licenses/>.
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "lua-plugin.h"
void print_help(){
printf("Usage: lua_ext_console [SCRIPT_FILE] ...\n");
printf("Loads one or more script files then evaluates lua extension modes in an interactive shell.\n");
}
void print_interactive_help(){
printf("i \t\t\t - lists all commands.\n");
printf("i [COMMAND] \t\t - evaluates command without argument. \n");
printf("i [COMMAND] [ARGUMENT] \t evaluates command with argument. \n");
printf("g [TRIGGER_STRING] \t\t - tests a trigger string, fire trigger if hit.\n");
printf("c \t\t\t - lists all converters.\n");
printf("c [FUNCTION] [STRING] \t tests a converter function. \n");
printf("quit \t\t\t - quit the shell.\n");
printf("help \t\t\t - show this message.\n");
}
void list_all_commands(IBusEnginePlugin * plugin){
const GArray * commands = ibus_engine_plugin_get_available_commands(plugin);
size_t i;
for ( i = 0; i < commands->len; ++i ){
lua_command_t * command = &g_array_index(commands, lua_command_t, i);
printf("%s.%s >\t", command->command_name,
command->description);
}
printf("\n");
}
void list_all_converters(IBusEnginePlugin * plugin){
const GArray * converters = ibus_engine_plugin_get_available_converters(plugin);
size_t i;
for ( i = 0; i < converters->len; ++i ){
lua_converter_t * converter = &g_array_index(converters, lua_converter_t, i);
printf("%s %s >\t", converter->lua_function_name, converter->description);
}
printf("\n");
}
int print_lua_call_result(IBusEnginePlugin * plugin, size_t num){
if ( 1 == num ) {
const lua_command_candidate_t * result = ibus_engine_plugin_get_retval(plugin);
if (result->content)
printf("result: %s.\n", result->content);
}
if ( num > 1) {
GArray * results = ibus_engine_plugin_get_retvals(plugin);
size_t i;
for ( i = 0; i < results->len; ++i) {
const lua_command_candidate_t * result = g_array_index(results, const lua_command_candidate_t *, i);
if (result->content)
printf("%d.%s >\t", (int)i, result->content);
else{
printf("%d. %s [%s]\t", (int)i, result->suggest, result->help);
}
}
printf("\n");
}
return 0;
}
int do_lua_call(IBusEnginePlugin * plugin, const char * command_name, const char * argument){
const lua_command_t * command;
size_t num;
g_return_val_if_fail(2 == strlen(command_name), 2);
command = ibus_engine_plugin_lookup_command(plugin, command_name);
if ( NULL == command) {
fprintf(stderr, "command %s doesn't exist.\n", command_name);
return 1;
}
num = ibus_engine_plugin_call(plugin, command->lua_function_name, argument);
print_lua_call_result(plugin, num);
return 0;
}
int do_simple_lua_call(IBusEnginePlugin * plugin, const char * lua_function_name, const char * string){
int i;
int num = ibus_engine_plugin_call(plugin, lua_function_name, string);
g_assert(num == ibus_engine_plugin_get_n_result(plugin));
for (i = 0; i < num ; ++i){
gchar * str = ibus_engine_plugin_get_nth_result(plugin, i);
printf("%d.%s >\t", i, str);
g_free(str);
}
printf("\n");
ibus_engine_plugin_clear_results(plugin);
return 0;
}
int main(int argc, char * argv[]){
char * line = NULL;
size_t len = 0;
ssize_t read;
int i;
if ( 1 == argc ){
print_help();
exit(1);
}
IBusEnginePlugin * plugin = ibus_engine_plugin_new();
for ( i = 1; i < argc; ++i){
ibus_engine_plugin_load_lua_script(plugin, argv[i]);
}
printf("Lua Plugin Console for ibus-libpinyin.\n");
printf("Type ? for more information.\n");
printf("> ");
while ((read = getline(&line, &len, stdin)) != -1) {
line[read - 1] = '\0';
gchar ** strs = g_strsplit_set(line, " \t", 0);
size_t len = g_strv_length(strs);
switch (len){
case 0:
print_interactive_help();
break;
case 1:
if ( 0 == strcmp("quit", strs[0]) )
exit(EXIT_SUCCESS);
if ( 0 == strcmp("help", strs[0]) || 0 == strcmp("?", strs[0]) )
print_interactive_help();
if ( 0 == strcmp("i", strs[0]) )
list_all_commands(plugin);
if ( 0 == strcmp("c", strs[0]) )
list_all_converters(plugin);
break;
case 2:
if ( 0 == strcmp("i", strs[0]))
do_lua_call(plugin, strs[1], NULL);
if ( 0 == strcmp("g", strs[0])) {
const char * lua_function_name = NULL;
if (ibus_engine_plugin_match_input
(plugin, strs[1], &lua_function_name)) {
do_simple_lua_call(plugin, lua_function_name, strs[1]);
} else if (ibus_engine_plugin_match_candidate
(plugin, strs[1], &lua_function_name)) {
do_simple_lua_call(plugin, lua_function_name, strs[1]);
}
}
break;
case 3:
if ( 0 == strcmp("i", strs[0]))
do_lua_call(plugin, strs[1], strs[2]);
if ( 0 == strcmp("c", strs[0]))
do_simple_lua_call(plugin, strs[1], strs[2]);
break;
default:
fprintf(stderr, "wrong arguments.");
break;
}
g_strfreev(strs);
printf("> ");
}
if (line)
free(line);
return EXIT_SUCCESS;
}
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