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Diffstat (limited to 'src/remote-exec.c')
| -rw-r--r-- | src/remote-exec.c | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/src/remote-exec.c b/src/remote-exec.c new file mode 100644 index 0000000..edf75f2 --- /dev/null +++ b/src/remote-exec.c @@ -0,0 +1,206 @@ +/* + * 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; +} |