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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* File operations (independent of GUI)
*
* Copyright (C) 2018, 2019 Tavmjong Bah
*
* The contents of this file may be used under the GNU General Public License Version 2 or later.
*
*/
#include "io/file.h"
#include <iostream>
#include <unistd.h>
#include <giomm.h>
#include "document.h"
#include "document-undo.h"
#include "extension/system.h" // Extension::open()
#include "extension/extension.h"
#include "extension/db.h"
#include "extension/output.h"
#include "extension/input.h"
#include "object/sp-root.h"
#include "xml/repr.h"
/**
* Create a blank document, remove any template data.
* Input: Empty string or template file name.
*/
SPDocument*
ink_file_new(const std::string &Template)
{
SPDocument *doc = SPDocument::createNewDoc ((Template.empty() ? nullptr : Template.c_str()), true, true );
if (doc) {
// Remove all the template info from xml tree
Inkscape::XML::Node *myRoot = doc->getReprRoot();
Inkscape::XML::Node *nodeToRemove;
nodeToRemove = sp_repr_lookup_name(myRoot, "inkscape:templateinfo");
if (nodeToRemove != nullptr) {
Inkscape::DocumentUndo::ScopedInsensitive no_undo(doc);
sp_repr_unparent(nodeToRemove);
delete nodeToRemove;
}
nodeToRemove = sp_repr_lookup_name(myRoot, "inkscape:_templateinfo"); // backwards-compatibility
if (nodeToRemove != nullptr) {
Inkscape::DocumentUndo::ScopedInsensitive no_undo(doc);
sp_repr_unparent(nodeToRemove);
delete nodeToRemove;
}
} else {
std::cerr << "ink_file_new: Did not create new document!" << std::endl;
}
return doc;
}
/**
* Open a document from memory.
*/
SPDocument*
ink_file_open(const Glib::ustring& data)
{
SPDocument *doc = SPDocument::createNewDocFromMem (data.c_str(), data.length(), true);
if (doc == nullptr) {
std::cerr << "ink_file_open: cannot open file in memory (pipe?)" << std::endl;
} else {
// This is the only place original values should be set.
SPRoot *root = doc->getRoot();
root->original.inkscape = root->version.inkscape;
root->original.svg = root->version.svg;
}
return doc;
}
/**
* Open a document.
*/
SPDocument*
ink_file_open(const Glib::RefPtr<Gio::File>& file, bool *cancelled_param)
{
bool cancelled = false;
SPDocument *doc = nullptr;
std::string path = file->get_path();
// TODO: It's useless to catch these exceptions here (and below) unless we do something with them.
// If we can't properly handle them (e.g. by showing a user-visible message) don't catch them!
try {
doc = Inkscape::Extension::open(nullptr, path.c_str());
} catch (Inkscape::Extension::Input::no_extension_found &e) {
doc = nullptr;
} catch (Inkscape::Extension::Input::open_failed &e) {
doc = nullptr;
} catch (Inkscape::Extension::Input::open_cancelled &e) {
cancelled = true;
doc = nullptr;
}
// Try to open explicitly as SVG.
// TODO: Why is this necessary? Shouldn't this be handled by the first call already?
if (doc == nullptr && !cancelled) {
try {
doc = Inkscape::Extension::open(Inkscape::Extension::db.get(SP_MODULE_KEY_INPUT_SVG), path.c_str());
} catch (Inkscape::Extension::Input::no_extension_found &e) {
doc = nullptr;
} catch (Inkscape::Extension::Input::open_failed &e) {
doc = nullptr;
} catch (Inkscape::Extension::Input::open_cancelled &e) {
cancelled = true;
doc = nullptr;
}
}
if (doc != nullptr) {
// This is the only place original values should be set.
SPRoot *root = doc->getRoot();
root->original.inkscape = root->version.inkscape;
root->original.svg = root->version.svg;
} else if (!cancelled) {
std::cerr << "ink_file_open: '" << path << "' cannot be opened!" << std::endl;
}
if (cancelled_param) {
*cancelled_param = cancelled;
}
return doc;
}
namespace Inkscape {
namespace IO {
/**
* Create a temporary filename, which is closed and deleted when deconstructed.
*/
TempFilename::TempFilename(const std::string &pattern)
: _filename("")
, _tempfd(0)
{
try {
_tempfd = Glib::file_open_tmp(_filename, pattern.c_str());
} catch (...) {
/// \todo Popup dialog here
return;
}
}
TempFilename::~TempFilename()
{
close(_tempfd);
unlink(_filename.c_str());
}
/**
* Takes an absolute file path and returns a second file at the same
* directory location, if and only if the filename exists and is a file.
*
* Returns the empty string if the new file is not found.
*/
Glib::ustring find_original_file(Glib::ustring filepath, Glib::ustring name)
{
auto path = Glib::path_get_dirname(filepath);
auto filename = Glib::build_filename(path, name);
if (Glib::file_test(filename, Glib::FILE_TEST_IS_REGULAR)) {
return filename;
}
return "";
}
}}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
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