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/*
* Copyright (c) 2021, Itamar S. <itamar8910@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "FileDB.h"
#include <AK/LexicalPath.h>
#include <LibCore/File.h>
RefPtr<const GUI::TextDocument> FileDB::get(const String& file_name) const
{
auto absolute_path = to_absolute_path(file_name);
auto document_optional = m_open_files.get(absolute_path);
if (!document_optional.has_value())
return create_from_filesystem(absolute_path);
return document_optional.value();
}
RefPtr<GUI::TextDocument> FileDB::get(const String& file_name)
{
auto absolute_path = to_absolute_path(file_name);
return adopt(*const_cast<GUI::TextDocument*>(reinterpret_cast<const FileDB*>(this)->get(absolute_path).leak_ref()));
}
bool FileDB::is_open(String file_name) const
{
return m_open_files.contains(to_absolute_path(file_name));
}
bool FileDB::add(const String& file_name, int fd)
{
auto document = create_from_fd(fd);
if (!document)
return false;
m_open_files.set(to_absolute_path(file_name), document.release_nonnull());
return true;
}
String FileDB::to_absolute_path(const String& file_name) const
{
if (LexicalPath { file_name }.is_absolute()) {
return file_name;
}
VERIFY(!m_project_root.is_null());
return LexicalPath { String::formatted("{}/{}", m_project_root, file_name) }.string();
}
RefPtr<GUI::TextDocument> FileDB::create_from_filesystem(const String& file_name) const
{
auto file = Core::File::open(to_absolute_path(file_name), Core::IODevice::ReadOnly);
if (file.is_error()) {
dbgln("failed to create document for {} from filesystem", file_name);
return nullptr;
}
return create_from_file(*file.value());
}
RefPtr<GUI::TextDocument> FileDB::create_from_fd(int fd) const
{
auto file = Core::File::construct();
if (!file->open(fd, Core::IODevice::ReadOnly, Core::File::ShouldCloseFileDescriptor::Yes)) {
errno = file->error();
perror("open");
dbgln("Failed to open project file");
return nullptr;
}
return create_from_file(*file);
}
class DefaultDocumentClient final : public GUI::TextDocument::Client {
public:
virtual ~DefaultDocumentClient() override = default;
virtual void document_did_append_line() override {};
virtual void document_did_insert_line(size_t) override {};
virtual void document_did_remove_line(size_t) override {};
virtual void document_did_remove_all_lines() override {};
virtual void document_did_change() override {};
virtual void document_did_set_text() override {};
virtual void document_did_set_cursor(const GUI::TextPosition&) override {};
virtual bool is_automatic_indentation_enabled() const override { return false; }
virtual int soft_tab_width() const override { return 4; }
};
static DefaultDocumentClient s_default_document_client;
RefPtr<GUI::TextDocument> FileDB::create_from_file(Core::File& file) const
{
auto content = file.read_all();
StringView content_view(content);
auto document = GUI::TextDocument::create(&s_default_document_client);
document->set_text(content_view);
return document;
}
void FileDB::on_file_edit_insert_text(const String& file_name, const String& inserted_text, size_t start_line, size_t start_column)
{
auto document = get(file_name);
if (!document) {
dbgln("file {} has not been opened", file_name);
return;
}
GUI::TextPosition start_position { start_line, start_column };
document->insert_at(start_position, inserted_text, &s_default_document_client);
#if FILE_CONTENT_DEBUG
dbgln("{}", document->text());
#endif
}
void FileDB::on_file_edit_remove_text(const String& file_name, size_t start_line, size_t start_column, size_t end_line, size_t end_column)
{
auto document = get(file_name);
if (!document) {
dbgln("file {} has not been opened", file_name);
return;
}
GUI::TextPosition start_position { start_line, start_column };
GUI::TextRange range {
GUI::TextPosition { start_line, start_column },
GUI::TextPosition { end_line, end_column }
};
document->remove(range);
#if FILE_CONTENT_DEBUG
dbgln("{}", document->text());
#endif
}
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