mirror of https://github.com/davatorium/rofi.git
242 lines
6.6 KiB
C
242 lines
6.6 KiB
C
/**
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* simpleswitcher
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*
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* MIT/X11 License
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* Copyright 2013-2014 Qball Cow <qball@gmpclient.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#define _GNU_SOURCE
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#include <stdlib.h>
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#include <stdio.h>
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#include <X11/X.h>
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#include <unistd.h>
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#include <signal.h>
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#include <strings.h>
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#include <string.h>
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#include <ctype.h>
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#include <errno.h>
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#include "simpleswitcher.h"
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#include "mark-dialog.h"
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#include <errno.h>
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#include <linux/un.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <i3/ipc.h>
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#ifdef TIMING
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#include <time.h>
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#endif
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#include <json/json.h>
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char *json_input_file = NULL;
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static inline int execsh( const char *cmd ,int run_in_term )
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{
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// use sh for args parsing
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if ( run_in_term )
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return execlp( config.terminal_emulator, config.terminal_emulator, "-e", "sh", "-c", cmd, NULL );
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return execlp( "/bin/sh", "sh", "-c", cmd, NULL );
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}
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static void exec_json( const char *cmd, int run_in_term)
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{
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if ( !cmd || !cmd[0] ) return;
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signal( SIGCHLD, catch_exit );
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pid_t pid = fork();
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if ( !pid ) {
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setsid();
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execsh( cmd, run_in_term );
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exit( EXIT_FAILURE );
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}
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}
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typedef struct pmenu {
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char *prompt;
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int execute_in_term;
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unsigned int num_entries;
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char **entries;
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char **commands;
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} pmenu;
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static struct json_object * read_json_file_descr(FILE *fd)
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{
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struct json_object *jo = NULL;
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enum json_tokener_error err;
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struct json_tokener *tok = json_tokener_new();
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char buffer[64];
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ssize_t len = 0;
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while( (len = fread(buffer, 1, 64, fd)) > 0) {
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jo = json_tokener_parse_ex(tok, buffer, len);
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if((err = json_tokener_get_error(tok)) != json_tokener_continue)
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{
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if(err != json_tokener_success) {
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fprintf(stderr, "Error parsing json file: %s\n", json_tokener_error_desc(err));
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jo = NULL;
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}
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break;
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}
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}
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// Get reference before we destroy the tokener.
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if(jo) json_object_get(jo);
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json_tokener_free(tok);
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return jo;
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}
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static pmenu *get_json ( )
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{
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#ifdef TIMING
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struct timespec start, stop;
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clock_gettime( CLOCK_REALTIME, &start );
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#endif
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struct json_object *jo = NULL;
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if(json_input_file != NULL) {
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if (json_input_file[0] == '-' && json_input_file[1] == '\0') {
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jo = read_json_file_descr(stdin);
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}
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else if (json_input_file[0] == '{' && strlen(json_input_file) > 3) {
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jo = json_tokener_parse(json_input_file);
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}
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else
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{
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FILE *fd = fopen(json_input_file, "r");
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if(fd == NULL) {
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fprintf(stderr, "Failed to open file: %s: %s\n",
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json_input_file, strerror(errno));
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return NULL;
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}
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jo = read_json_file_descr(fd);
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fclose(fd);
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}
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}
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if(jo && json_object_get_type(jo) != json_type_object) {
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fprintf(stderr, "Json file has invalid root type.\n");
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json_object_put(jo);
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jo = NULL;
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}
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// Create error and exit.
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if(jo == NULL ) {
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return NULL;
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}
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pmenu *retv = allocate_clear(sizeof(*retv));
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struct json_object *jo2;
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if(json_object_object_get_ex(jo, "prompt", &jo2)) {
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retv->prompt = strdup(json_object_get_string(jo2));
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}
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if(json_object_object_get_ex(jo, "run-in-terminal", &jo2)) {
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retv->execute_in_term = json_object_get_int(jo2);
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}
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if(json_object_object_get_ex(jo, "commands", &jo2)) {
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json_object_object_foreach(jo2, key, child) {
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retv->entries= realloc( retv->entries, ( retv->num_entries+2 )*sizeof( char* ) );
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retv->entries[retv->num_entries] = strdup( key);
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retv->entries[retv->num_entries+1] = NULL;
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retv->commands= realloc( retv->commands, ( retv->num_entries+2 )*sizeof( char* ) );
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retv->commands[retv->num_entries] = strdup( json_object_get_string(child));
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retv->commands[retv->num_entries+1] = NULL;
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retv->num_entries++;
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}
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}
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json_object_put(jo);
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#ifdef TIMING
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clock_gettime( CLOCK_REALTIME, &stop );
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if ( stop.tv_sec != start.tv_sec ) {
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stop.tv_nsec += ( stop.tv_sec-start.tv_sec )*1e9;
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}
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long diff = stop.tv_nsec-start.tv_nsec;
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printf( "Time elapsed: %ld us\n", diff/1000 );
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#endif
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return retv;
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}
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static int token_match ( char **tokens, const char *input,
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__attribute__( ( unused ) )int index,
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__attribute__( ( unused ) )void *data )
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{
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int match = 1;
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// Do a tokenized match.
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if ( tokens ) for ( int j = 1; match && tokens[j]; j++ ) {
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match = ( strcasestr( input, tokens[j] ) != NULL );
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}
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return match;
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}
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SwitcherMode json_switcher_dialog ( char **input )
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{
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SwitcherMode retv = MODE_EXIT;
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// act as a launcher
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pmenu *list = get_json( );
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if ( list == NULL ) {
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return retv;
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}
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if(list->num_entries > 0) {
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int shift=0;
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int n = menu( list->entries, input, list->prompt, NULL, &shift,token_match, NULL );
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if ( n == -2 ) {
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retv = JSON_DIALOG;
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} else if ( n >=0 && list->commands[n] != NULL ) {
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exec_json( list->commands[n], list->execute_in_term);
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}
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} else {
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fprintf(stderr, "No commands found in json file\n");
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}
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for ( unsigned int i=0; i < list->num_entries; i++ ) {
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free( list->entries[i] );
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free( list->commands[i] );
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}
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if(list->entries)free( list->entries );
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if(list->commands)free( list->commands );
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if(list->prompt)free( list->prompt );
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return retv;
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}
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