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https://github.com/RGBCube/serenity
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03a27bc693
Since TCP sequence numbers are randomly choosen 32-bit numbers, it often happend that the most significant bit was set. The cast to a 32-bit signed integer then made the number negative. Thus TCP sequence were shown negative in the SystemMonitor every so often.
94 lines
3.8 KiB
C++
94 lines
3.8 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/JsonArray.h>
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#include <AK/JsonObject.h>
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#include <LibGUI/Model.h>
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namespace GUI {
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class JsonArrayModel final : public Model {
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public:
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struct FieldSpec {
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FieldSpec(const String& a_column_name, Gfx::TextAlignment a_text_alignment, Function<Variant(const JsonObject&)>&& a_massage_for_display, Function<Variant(const JsonObject&)>&& a_massage_for_sort = {}, Function<Variant(const JsonObject&)>&& a_massage_for_custom = {})
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: column_name(a_column_name)
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, text_alignment(a_text_alignment)
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, massage_for_display(move(a_massage_for_display))
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, massage_for_sort(move(a_massage_for_sort))
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, massage_for_custom(move(a_massage_for_custom))
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{
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}
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FieldSpec(const String& a_json_field_name, const String& a_column_name, Gfx::TextAlignment a_text_alignment)
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: json_field_name(a_json_field_name)
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, column_name(a_column_name)
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, text_alignment(a_text_alignment)
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{
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}
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String json_field_name;
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String column_name;
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Gfx::TextAlignment text_alignment;
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Function<Variant(const JsonObject&)> massage_for_display;
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Function<Variant(const JsonObject&)> massage_for_sort;
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Function<Variant(const JsonObject&)> massage_for_custom;
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};
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static NonnullRefPtr<JsonArrayModel> create(const String& json_path, Vector<FieldSpec>&& fields)
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{
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return adopt(*new JsonArrayModel(json_path, move(fields)));
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}
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virtual ~JsonArrayModel() override { }
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virtual int row_count(const ModelIndex& = ModelIndex()) const override { return m_array.size(); }
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virtual int column_count(const ModelIndex& = ModelIndex()) const override { return m_fields.size(); }
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virtual String column_name(int column) const override { return m_fields[column].column_name; }
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virtual Variant data(const ModelIndex&, ModelRole = ModelRole::Display) const override;
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virtual void update() override;
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const String& json_path() const { return m_json_path; }
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void set_json_path(const String& json_path);
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bool add(const Vector<JsonValue>&& fields);
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bool remove(int row);
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bool store();
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private:
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JsonArrayModel(const String& json_path, Vector<FieldSpec>&& fields)
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: m_json_path(json_path)
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, m_fields(move(fields))
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{
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}
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String m_json_path;
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Vector<FieldSpec> m_fields;
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JsonArray m_array;
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};
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}
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