80 lines
3.0 KiB
Go
80 lines
3.0 KiB
Go
// Fenrir console screen reader.
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// Copyright (c) 2026 Storm Dragon
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// SPDX-License-Identifier: GPL-3.0-or-later
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//
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// This program is free software: you can redistribute it and/or modify it
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// under the terms of the GNU General Public License as published by the Free
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// Software Foundation, either version 3 of the License, or (at your option)
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// any later version.
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//
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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// more details.
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//
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// You should have received a copy of the GNU General Public License along with
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// this program. If not, see <https://www.gnu.org/licenses/gpl-3.0.html>.
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//go:build linux && cgo
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package console
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import (
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"encoding/binary"
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"git.stormux.org/storm/fenrir/internal/presentation"
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"git.stormux.org/storm/fenrir/internal/screen"
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"testing"
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)
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func TestVCSAAttributesUseNativeWordsAndKeepUnicode(t *testing.T) {
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text := make([]byte, 8)
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binary.NativeEndian.PutUint32(text, 'é')
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binary.NativeEndian.PutUint32(text[4:], '界')
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data := []byte{1, 2, 0, 0, 0, 0, 0, 0}
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binary.NativeEndian.PutUint16(data[4:], 0x1741)
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binary.NativeEndian.PutUint16(data[6:], 0x8742)
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snapshot, err := decode_snapshot(2, data, text)
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if err != nil {
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t.Fatal(err)
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}
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if err := decode_attributes(&snapshot, data); err != nil {
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t.Fatal(err)
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}
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if string(snapshot.Cells) != "é界" || snapshot.Attributes[0] != (screen.Attribute{Foreground: screen.ColorIndexed | 7, Background: screen.ColorIndexed | 4}) || snapshot.Attributes[1] != (screen.Attribute{Foreground: screen.ColorIndexed | 7, Background: screen.ColorIndexed, Style: screen.ConsoleHigh}) {
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t.Fatal("attributes corrupted Unicode or cell order", snapshot)
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}
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if got := presentation.Format_attributes(snapshot.Attributes[0], "fenrirFGColor|fenrirBGColor|fenrirBold|fenrirBlink"); got != "light gray|blue||" {
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t.Fatal(got)
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}
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if got := presentation.Format_attributes(snapshot.Attributes[1], "fenrirFGColor|fenrirBGColor|fenrirBold|fenrirBlink"); got != "light gray|black||" {
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t.Fatal(got)
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}
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for _, invalid := range [][]byte{data[:4], data[:7], append(append([]byte{}, data...), 0)} {
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if err := decode_attributes(&snapshot, invalid); err == nil {
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t.Fatal("accepted partial or oversized VCSA", invalid)
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}
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}
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}
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func TestDecodeUnicodeAndGeometry(t *testing.T) {
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data := make([]byte, 16)
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for index, value := range []uint32{'é', '界', 0, 0x110000} {
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binary.NativeEndian.PutUint32(data[index*4:], value)
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}
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snapshot, err := decode_snapshot(2, []byte{2, 2, 1, 0}, data)
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if err != nil {
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t.Fatal(err)
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}
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if string(snapshot.Cells) != "é界 �" || snapshot.Text(0) != "é界" {
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t.Fatalf("wrong Unicode: %+v", snapshot)
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}
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for _, header := range [][]byte{{}, {0, 2, 0, 0}, {2, 2, 2, 0}, {2, 2, 0, 2}} {
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if _, err := decode_snapshot(1, header, data); err == nil {
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t.Fatalf("accepted invalid header %v", header)
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}
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}
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if _, err := decode_snapshot(1, []byte{2, 2, 0, 0}, data[:12]); err == nil {
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t.Fatal("accepted resize mismatch")
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}
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}
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