aboutsummaryrefslogtreecommitdiffstats
path: root/src/db/DatabasePrint.cxx
blob: 33a4c65fe8a428baab362bdf57fc9f6389009650 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
/*
 * Copyright (C) 2003-2015 The Music Player Daemon Project
 * http://www.musicpd.org
 *
 * 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 "config.h"
#include "DatabasePrint.hxx"
#include "Selection.hxx"
#include "SongFilter.hxx"
#include "SongPrint.hxx"
#include "TimePrint.hxx"
#include "client/Client.hxx"
#include "tag/Tag.hxx"
#include "LightSong.hxx"
#include "LightDirectory.hxx"
#include "PlaylistInfo.hxx"
#include "Interface.hxx"
#include "fs/Traits.hxx"

#include <functional>

static const char *
ApplyBaseFlag(const char *uri, bool base)
{
	if (base)
		uri = PathTraitsUTF8::GetBase(uri);
	return uri;
}

static void
PrintDirectoryURI(Client &client, bool base, const LightDirectory &directory)
{
	client_printf(client, "directory: %s\n",
		      ApplyBaseFlag(directory.GetPath(), base));
}

static bool
PrintDirectoryBrief(Client &client, bool base, const LightDirectory &directory)
{
	if (!directory.IsRoot())
		PrintDirectoryURI(client, base, directory);

	return true;
}

static bool
PrintDirectoryFull(Client &client, bool base, const LightDirectory &directory)
{
	if (!directory.IsRoot()) {
		PrintDirectoryURI(client, base, directory);

		if (directory.mtime > 0)
			time_print(client, "Last-Modified", directory.mtime);
	}

	return true;
}

static void
print_playlist_in_directory(Client &client, bool base,
			    const char *directory,
			    const char *name_utf8)
{
	if (base || directory == nullptr)
		client_printf(client, "playlist: %s\n",
			      ApplyBaseFlag(name_utf8, base));
	else
		client_printf(client, "playlist: %s/%s\n",
			      directory, name_utf8);
}

static void
print_playlist_in_directory(Client &client, bool base,
			    const LightDirectory *directory,
			    const char *name_utf8)
{
	if (base || directory == nullptr || directory->IsRoot())
		client_printf(client, "playlist: %s\n", name_utf8);
	else
		client_printf(client, "playlist: %s/%s\n",
			      directory->GetPath(), name_utf8);
}

static bool
PrintSongBrief(Client &client, bool base, const LightSong &song)
{
	song_print_uri(client, song, base);

	if (song.tag->has_playlist)
		/* this song file has an embedded CUE sheet */
		print_playlist_in_directory(client, base,
					    song.directory, song.uri);

	return true;
}

static bool
PrintSongFull(Client &client, bool base, const LightSong &song)
{
	song_print_info(client, song, base);

	if (song.tag->has_playlist)
		/* this song file has an embedded CUE sheet */
		print_playlist_in_directory(client, base,
					    song.directory, song.uri);

	return true;
}

static bool
PrintPlaylistBrief(Client &client, bool base,
		   const PlaylistInfo &playlist,
		   const LightDirectory &directory)
{
	print_playlist_in_directory(client, base,
				    &directory, playlist.name.c_str());
	return true;
}

static bool
PrintPlaylistFull(Client &client, bool base,
		  const PlaylistInfo &playlist,
		  const LightDirectory &directory)
{
	print_playlist_in_directory(client, base,
				    &directory, playlist.name.c_str());

	if (playlist.mtime > 0)
		time_print(client, "Last-Modified", playlist.mtime);

	return true;
}

bool
db_selection_print(Client &client, const DatabaseSelection &selection,
		   bool full, bool base,
		   unsigned window_start, unsigned window_end,
		   Error &error)
{
	const Database *db = client.GetDatabase(error);
	if (db == nullptr)
		return false;

	unsigned i = 0;

	using namespace std::placeholders;
	const auto d = selection.filter == nullptr
		? std::bind(full ? PrintDirectoryFull : PrintDirectoryBrief,
			    std::ref(client), base, _1)
		: VisitDirectory();
	VisitSong s = std::bind(full ? PrintSongFull : PrintSongBrief,
				std::ref(client), base, _1);
	const auto p = selection.filter == nullptr
		? std::bind(full ? PrintPlaylistFull : PrintPlaylistBrief,
			    std::ref(client), base, _1, _2)
		: VisitPlaylist();

	if (window_start > 0 ||
	    window_end < (unsigned)std::numeric_limits<int>::max())
		s = [s, window_start, window_end, &i](const LightSong &song,
						      Error &error2){
			const bool in_window = i >= window_start && i < window_end;
			++i;
			return !in_window || s(song, error2);
		};

	return db->Visit(selection, d, s, p, error);
}

bool
db_selection_print(Client &client, const DatabaseSelection &selection,
		   bool full, bool base,
		   Error &error)
{
	return db_selection_print(client, selection, full, base,
				  0, std::numeric_limits<int>::max(),
				  error);
}

static bool
PrintSongURIVisitor(Client &client, const LightSong &song)
{
	song_print_uri(client, song);

	return true;
}

static bool
PrintUniqueTag(Client &client, TagType tag_type,
	       const Tag &tag)
{
	const char *value = tag.GetValue(tag_type);
	assert(value != nullptr);
	client_printf(client, "%s: %s\n", tag_item_names[tag_type], value);

	for (const auto &item : tag)
		if (item.type != tag_type)
			client_printf(client, "%s: %s\n",
				      tag_item_names[item.type], item.value);

	return true;
}

bool
PrintUniqueTags(Client &client, unsigned type, uint32_t group_mask,
		const SongFilter *filter,
		Error &error)
{
	const Database *db = client.GetDatabase(error);
	if (db == nullptr)
		return false;

	const DatabaseSelection selection("", true, filter);

	if (type == LOCATE_TAG_FILE_TYPE) {
		using namespace std::placeholders;
		const auto f = std::bind(PrintSongURIVisitor,
					 std::ref(client), _1);
		return db->Visit(selection, f, error);
	} else {
		assert(type < TAG_NUM_OF_ITEM_TYPES);

		using namespace std::placeholders;
		const auto f = std::bind(PrintUniqueTag, std::ref(client),
					 (TagType)type, _1);
		return db->VisitUniqueTags(selection, (TagType)type,
					   group_mask,
					   f, error);
	}
}