Spaces:
Running
Running
File size: 5,373 Bytes
5cee033 |
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 |
/*
* Copyright (C) 2009-2011, Pino Toscano <[email protected]>
* Copyright (C) 2016 Jakub Alba <[email protected]>
* Copyright (C) 2018, 2020, 2022 Albert Astals Cid <[email protected]>
*
* 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, 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.
*/
/**
\file poppler-embedded-file.h
*/
#include "poppler-embedded-file.h"
#include "poppler-embedded-file-private.h"
#include "poppler-private.h"
#include "Object.h"
#include "Stream.h"
#include "Catalog.h"
#include "FileSpec.h"
#include "DateInfo.h"
using namespace poppler;
embedded_file_private::embedded_file_private(std::unique_ptr<FileSpec> &&fs) : file_spec(std::move(fs)) { }
embedded_file *embedded_file_private::create(std::unique_ptr<FileSpec> &&fs)
{
return new embedded_file(*new embedded_file_private(std::move(fs)));
}
/**
\class poppler::embedded_file poppler-embedded-file.h "poppler/cpp/poppler-embedded-file.h"
Represents a file embedded in a PDF %document.
*/
embedded_file::embedded_file(embedded_file_private &dd) : d(&dd) { }
/**
Destroys the embedded file.
*/
embedded_file::~embedded_file()
{
delete d;
}
/**
\returns whether the embedded file is valid
*/
bool embedded_file::is_valid() const
{
return d->file_spec->isOk();
}
/**
\returns the name of the embedded file
*/
std::string embedded_file::name() const
{
const GooString *goo = d->file_spec->getFileName();
return goo ? std::string(goo->c_str()) : std::string();
}
/**
\returns the description of the embedded file
*/
ustring embedded_file::description() const
{
const GooString *goo = d->file_spec->getDescription();
return goo ? detail::unicode_GooString_to_ustring(goo) : ustring();
}
/**
\note this is not always available in the PDF %document, in that case this
will return \p -1.
\returns the size of the embedded file, if known
*/
int embedded_file::size() const
{
const EmbFile *ef = d->file_spec->getEmbeddedFile();
return ef ? ef->size() : -1;
}
/**
\returns the time_type representing the modification date of the embedded file,
if available
*/
time_type embedded_file::modification_date() const
{
const EmbFile *ef = d->file_spec->getEmbeddedFile();
const GooString *goo = ef ? ef->modDate() : nullptr;
return goo ? static_cast<time_type>(dateStringToTime(goo)) : time_type(-1);
}
/**
\returns the time_type representing the creation date of the embedded file,
if available
*/
time_type embedded_file::creation_date() const
{
const EmbFile *ef = d->file_spec->getEmbeddedFile();
const GooString *goo = ef ? ef->createDate() : nullptr;
return goo ? static_cast<time_type>(dateStringToTime(goo)) : time_type(-1);
}
/**
\returns the time_t representing the modification date of the embedded file,
if available
*/
time_t embedded_file::modification_date_t() const
{
const EmbFile *ef = d->file_spec->getEmbeddedFile();
const GooString *goo = ef ? ef->modDate() : nullptr;
return goo ? dateStringToTime(goo) : time_t(-1);
}
/**
\returns the time_t representing the creation date of the embedded file,
if available
*/
time_t embedded_file::creation_date_t() const
{
const EmbFile *ef = d->file_spec->getEmbeddedFile();
const GooString *goo = ef ? ef->createDate() : nullptr;
return goo ? dateStringToTime(goo) : time_t(-1);
}
/**
\returns the checksum of the embedded file
*/
byte_array embedded_file::checksum() const
{
const EmbFile *ef = d->file_spec->getEmbeddedFile();
const GooString *cs = ef ? ef->checksum() : nullptr;
if (!cs) {
return byte_array();
}
const char *ccs = cs->c_str();
byte_array data(cs->getLength());
for (int i = 0; i < cs->getLength(); ++i) {
data[i] = ccs[i];
}
return data;
}
/**
\returns the MIME type of the embedded file, if available
*/
std::string embedded_file::mime_type() const
{
const EmbFile *ef = d->file_spec->getEmbeddedFile();
const GooString *goo = ef ? ef->mimeType() : nullptr;
return goo ? std::string(goo->c_str()) : std::string();
}
/**
Reads all the data of the embedded file.
\returns the data of the embedded file
*/
byte_array embedded_file::data() const
{
if (!is_valid()) {
return byte_array();
}
EmbFile *ef = d->file_spec->getEmbeddedFile();
Stream *stream = ef ? ef->stream() : nullptr;
if (!stream) {
return byte_array();
}
stream->reset();
byte_array ret(1024);
size_t data_len = 0;
int i;
while ((i = stream->getChar()) != EOF) {
if (data_len == ret.size()) {
ret.resize(ret.size() * 2);
}
ret[data_len] = (char)i;
++data_len;
}
ret.resize(data_len);
return ret;
}
|