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/*
* transmission-remote-gtk - A GTK RPC client to Transmission
* Copyright (C) 2011-2013 Alan Fitton
* 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 program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <glib.h>
#include <gtk/gtk.h>
#include <json-glib/json-glib.h>
#include "trg-torrent-model.h"
#include "trg-client.h"
#include "trg-prefs.h"
#include "protocol-constants.h"
#include "torrent.h"
/* A few functions used to build local commands, otherwise known as actions.
*
* The functionality from a user perspective is documented in the wiki.
* The code below really just uses GRegex to replace variable identifier
* with the values inside the connected profile, the session, or the first selected
* torrent (in that order of precedence). A field seperator I call a repeater
* can be appended to a variable in square brackets, like %{id}[,] to
* cause it to be repeated for each selection.
*/
static const char json_exceptions[] = { 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84,
0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90,
0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c,
0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8,
0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4,
0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 0xc0,
0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc,
0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8,
0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe0, 0xe1, 0xe2, 0xe3, 0xe4,
0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0,
0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc,
0xfd, 0xfe, 0xff, '\0' /* g_strescape() expects a NUL-terminated string */
};
static gchar *dump_json_value(JsonNode * node)
{
GValue value = { 0, };
GString *buffer;
buffer = g_string_new("");
json_node_get_value(node, &value);
switch (G_VALUE_TYPE(&value)) {
case G_TYPE_INT64:
g_string_append_printf(buffer, "%" G_GINT64_FORMAT,
g_value_get_int64(&value));
break;
case G_TYPE_STRING:
{
gchar *tmp;
tmp = g_strescape(g_value_get_string(&value), json_exceptions);
g_string_append(buffer, tmp);
g_free(tmp);
}
break;
case G_TYPE_DOUBLE:
{
gchar buf[G_ASCII_DTOSTR_BUF_SIZE];
g_string_append(buffer,
g_ascii_dtostr(buf, sizeof(buf),
g_value_get_double(&value)));
}
break;
case G_TYPE_BOOLEAN:
g_string_append_printf(buffer, "%s",
g_value_get_boolean(&value) ? "true" :
"false");
break;
default:
break;
}
g_value_unset(&value);
return g_string_free(buffer, FALSE);
}
gchar *build_remote_exec_cmd(TrgClient * tc, GtkTreeModel * model,
GList * selection, const gchar * input)
{
TrgPrefs *prefs = trg_client_get_prefs(tc);
JsonObject *session = trg_client_get_session(tc);
JsonObject *profile = trg_prefs_get_connection(prefs);
gchar *work;
GRegex *regex, *replacerx;
GMatchInfo *match_info;
gchar *whole, *wholeEscaped, *id, *tmp, *valuestr, *repeater;
JsonNode *replacement;
if (!profile)
return NULL;
work = g_strdup(input);
regex = g_regex_new("%{([A-Za-z\\-]+)}(?:\\[(.*)\\])?", 0, 0, NULL);
g_regex_match_full(regex, input, -1, 0, 0, &match_info, NULL);
if (match_info) {
while (g_match_info_matches(match_info)) {
whole = g_match_info_fetch(match_info, 0);
wholeEscaped = g_regex_escape_string(whole, -1);
id = g_match_info_fetch(match_info, 1);
repeater = g_match_info_fetch(match_info, 2);
replacerx = g_regex_new(wholeEscaped, 0, 0, NULL);
valuestr = NULL;
if (profile && json_object_has_member(profile, id)) {
replacement = json_object_get_member(profile, id);
if (JSON_NODE_HOLDS_VALUE(replacement))
valuestr = dump_json_value(replacement);
} else if (session && json_object_has_member(session, id)) {
replacement = json_object_get_member(session, id);
if (JSON_NODE_HOLDS_VALUE(replacement))
valuestr = dump_json_value(replacement);
} else {
GString *gs = g_string_new("");
GList *li;
GtkTreeIter iter;
JsonObject *json;
gchar *piece;
for (li = selection; li; li = g_list_next(li)) {
piece = NULL;
gtk_tree_model_get_iter(model, &iter,
(GtkTreePath *) li->data);
gtk_tree_model_get(model, &iter, TORRENT_COLUMN_JSON,
&json, -1);
if (json_object_has_member(json, id)) {
replacement = json_object_get_member(json, id);
if (JSON_NODE_HOLDS_VALUE(replacement)) {
piece = dump_json_value(replacement);
}
}
if (!piece) {
if (!g_strcmp0(id, "full-dir")) {
piece = torrent_get_full_dir(json);
} else if (!g_strcmp0(id, "full-path")) {
piece = torrent_get_full_path(json);
}
}
if (piece) {
g_string_append(gs, piece);
g_free(piece);
}
if (!repeater)
break;
if (piece && li != g_list_last(selection))
g_string_append(gs, repeater);
}
if (gs->len > 0)
valuestr = g_string_free(gs, FALSE);
else
g_string_free(gs, TRUE);
}
if (valuestr) {
tmp = g_regex_replace(replacerx, work, -1, 0, valuestr, 0,
NULL);
g_free(work);
work = tmp;
g_free(valuestr);
}
g_regex_unref(replacerx);
g_free(whole);
g_free(repeater);
g_free(wholeEscaped);
g_free(id);
g_match_info_next(match_info, NULL);
}
g_match_info_free(match_info);
}
g_regex_unref(regex);
return work;
}
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