/src/poppler/glib/poppler-input-stream.cc
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1 | | /* poppler-input-stream.cc: glib interface to poppler |
2 | | * |
3 | | * Copyright (C) 2012 Carlos Garcia Campos <carlosgc@gnome.org> |
4 | | * Copyright (C) 2025, 2026 g10 Code GmbH, Author: Sune Stolborg Vuorela <sune@vuorela.dk> |
5 | | * |
6 | | * This program is free software; you can redistribute it and/or modify |
7 | | * it under the terms of the GNU General Public License as published by |
8 | | * the Free Software Foundation; either version 2, or (at your option) |
9 | | * any later version. |
10 | | * |
11 | | * This program is distributed in the hope that it will be useful, |
12 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | | * GNU General Public License for more details. |
15 | | * |
16 | | * You should have received a copy of the GNU General Public License |
17 | | * along with this program; if not, write to the Free Software |
18 | | * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. |
19 | | */ |
20 | | |
21 | | #include "config.h" |
22 | | #include "poppler-input-stream.h" |
23 | | |
24 | 0 | PopplerInputStream::PopplerInputStream(GInputStream *inputStreamA, GCancellable *cancellableA, Goffset startA, bool limitedA, Goffset lengthA, Object &&dictA) : BaseSeekInputStream(startA, limitedA, lengthA, std::move(dictA)) |
25 | 0 | { |
26 | 0 | inputStream = (GInputStream *)g_object_ref(inputStreamA); |
27 | 0 | cancellable = cancellableA ? (GCancellable *)g_object_ref(cancellableA) : nullptr; |
28 | 0 | } |
29 | | |
30 | | PopplerInputStream::~PopplerInputStream() |
31 | 0 | { |
32 | 0 | close(); |
33 | 0 | g_object_unref(inputStream); |
34 | 0 | if (cancellable) { |
35 | 0 | g_object_unref(cancellable); |
36 | 0 | } |
37 | 0 | } |
38 | | |
39 | | std::unique_ptr<BaseStream> PopplerInputStream::copy() |
40 | 0 | { |
41 | 0 | return std::make_unique<PopplerInputStream>(inputStream, cancellable, start, limited, length, dict.copy()); |
42 | 0 | } |
43 | | |
44 | | std::unique_ptr<Stream> PopplerInputStream::makeSubStream(Goffset startA, bool limitedA, Goffset lengthA, Object &&dictA) |
45 | 0 | { |
46 | 0 | return std::make_unique<PopplerInputStream>(inputStream, cancellable, startA, limitedA, lengthA, std::move(dictA)); |
47 | 0 | } |
48 | | |
49 | | Goffset PopplerInputStream::currentPos() const |
50 | 0 | { |
51 | 0 | GSeekable *seekable = G_SEEKABLE(inputStream); |
52 | 0 | return g_seekable_tell(seekable); |
53 | 0 | } |
54 | | |
55 | | void PopplerInputStream::setCurrentPos(Goffset offset) |
56 | 0 | { |
57 | 0 | GSeekable *seekable = G_SEEKABLE(inputStream); |
58 | 0 | g_seekable_seek(seekable, offset, G_SEEK_SET, cancellable, nullptr); |
59 | 0 | } |
60 | | |
61 | | Goffset PopplerInputStream::read(char *buffer, Goffset count) |
62 | 0 | { |
63 | 0 | return g_input_stream_read(inputStream, buffer, count, cancellable, nullptr); |
64 | 0 | } |