mirror of https://github.com/Genymobile/scrcpy
Tzah Mazuz
4 years ago
committed by
Romain Vimont
parent
c77024314d
commit
ad3632f1ff
@ -0,0 +1,112 @@
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package com.genymobile.scrcpy;
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import java.util.ArrayList;
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import java.util.List;
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public class CodecOption {
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private String key;
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private Object value;
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public CodecOption(String key, Object value) {
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this.key = key;
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this.value = value;
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}
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public String getKey() {
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return key;
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}
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public Object getValue() {
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return value;
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}
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public static List<CodecOption> parse(String codecOptions) {
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if ("-".equals(codecOptions)) {
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return null;
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}
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List<CodecOption> result = new ArrayList<>();
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boolean escape = false;
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StringBuilder buf = new StringBuilder();
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for (char c : codecOptions.toCharArray()) {
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switch (c) {
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case '\\':
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if (escape) {
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buf.append('\\');
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escape = false;
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} else {
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escape = true;
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}
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break;
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case ',':
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if (escape) {
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buf.append(',');
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escape = false;
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} else {
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// This comma is a separator between codec options
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String codecOption = buf.toString();
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result.add(parseOption(codecOption));
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// Clear buf
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buf.setLength(0);
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}
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break;
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default:
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buf.append(c);
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break;
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}
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}
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if (buf.length() > 0) {
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String codecOption = buf.toString();
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result.add(parseOption(codecOption));
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}
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return result;
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}
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private static CodecOption parseOption(String option) {
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int equalSignIndex = option.indexOf('=');
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if (equalSignIndex == -1) {
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throw new IllegalArgumentException("'=' expected");
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}
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String keyAndType = option.substring(0, equalSignIndex);
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if (keyAndType.length() == 0) {
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throw new IllegalArgumentException("Key may not be null");
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}
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String key;
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String type;
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int colonIndex = keyAndType.indexOf(':');
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if (colonIndex != -1) {
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key = keyAndType.substring(0, colonIndex);
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type = keyAndType.substring(colonIndex + 1);
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} else {
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key = keyAndType;
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type = "int"; // assume int by default
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}
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Object value;
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String valueString = option.substring(equalSignIndex + 1);
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switch (type) {
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case "int":
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value = Integer.parseInt(valueString);
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break;
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case "long":
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value = Long.parseLong(valueString);
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break;
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case "float":
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value = Float.parseFloat(valueString);
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break;
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case "string":
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value = valueString;
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break;
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default:
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throw new IllegalArgumentException("Invalid codec option type (int, long, float, str): " + type);
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}
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return new CodecOption(key, value);
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}
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}
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@ -0,0 +1,114 @@
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package com.genymobile.scrcpy;
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import java.util.List;
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import org.junit.Assert;
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import org.junit.Test;
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public class CodecOptionsTest {
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@Test
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public void testIntegerImplicit() {
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List<CodecOption> codecOptions = CodecOption.parse("some_key=5");
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Assert.assertEquals(1, codecOptions.size());
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CodecOption option = codecOptions.get(0);
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Assert.assertEquals("some_key", option.getKey());
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Assert.assertEquals(5, option.getValue());
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}
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@Test
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public void testInteger() {
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List<CodecOption> codecOptions = CodecOption.parse("some_key:int=5");
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Assert.assertEquals(1, codecOptions.size());
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CodecOption option = codecOptions.get(0);
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Assert.assertEquals("some_key", option.getKey());
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Assert.assertTrue(option.getValue() instanceof Integer);
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Assert.assertEquals(5, option.getValue());
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}
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@Test
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public void testLong() {
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List<CodecOption> codecOptions = CodecOption.parse("some_key:long=5");
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Assert.assertEquals(1, codecOptions.size());
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CodecOption option = codecOptions.get(0);
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Assert.assertEquals("some_key", option.getKey());
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Assert.assertTrue(option.getValue() instanceof Long);
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Assert.assertEquals(5L, option.getValue());
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}
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@Test
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public void testFloat() {
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List<CodecOption> codecOptions = CodecOption.parse("some_key:float=4.5");
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Assert.assertEquals(1, codecOptions.size());
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CodecOption option = codecOptions.get(0);
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Assert.assertEquals("some_key", option.getKey());
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Assert.assertTrue(option.getValue() instanceof Float);
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Assert.assertEquals(4.5f, option.getValue());
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}
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@Test
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public void testString() {
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List<CodecOption> codecOptions = CodecOption.parse("some_key:string=some_value");
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Assert.assertEquals(1, codecOptions.size());
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CodecOption option = codecOptions.get(0);
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Assert.assertEquals("some_key", option.getKey());
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Assert.assertTrue(option.getValue() instanceof String);
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Assert.assertEquals("some_value", option.getValue());
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}
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@Test
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public void testStringEscaped() {
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List<CodecOption> codecOptions = CodecOption.parse("some_key:string=warning\\,this_is_not=a_new_key");
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Assert.assertEquals(1, codecOptions.size());
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CodecOption option = codecOptions.get(0);
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Assert.assertEquals("some_key", option.getKey());
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Assert.assertTrue(option.getValue() instanceof String);
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Assert.assertEquals("warning,this_is_not=a_new_key", option.getValue());
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}
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@Test
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public void testList() {
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List<CodecOption> codecOptions = CodecOption.parse("a=1,b:int=2,c:long=3,d:float=4.5,e:string=a\\,b=c");
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Assert.assertEquals(5, codecOptions.size());
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CodecOption option;
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option = codecOptions.get(0);
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Assert.assertEquals("a", option.getKey());
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Assert.assertTrue(option.getValue() instanceof Integer);
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Assert.assertEquals(1, option.getValue());
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option = codecOptions.get(1);
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Assert.assertEquals("b", option.getKey());
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Assert.assertTrue(option.getValue() instanceof Integer);
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Assert.assertEquals(2, option.getValue());
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option = codecOptions.get(2);
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Assert.assertEquals("c", option.getKey());
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Assert.assertTrue(option.getValue() instanceof Long);
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Assert.assertEquals(3L, option.getValue());
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option = codecOptions.get(3);
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Assert.assertEquals("d", option.getKey());
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Assert.assertTrue(option.getValue() instanceof Float);
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Assert.assertEquals(4.5f, option.getValue());
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option = codecOptions.get(4);
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Assert.assertEquals("e", option.getKey());
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Assert.assertTrue(option.getValue() instanceof String);
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Assert.assertEquals("a,b=c", option.getValue());
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}
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}
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