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Migrate commonmark extension to kotlin

This commit is contained in:
Nick Hu 2021-09-08 16:06:31 +01:00
parent 20821fbe80
commit 4c45a69129
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GPG Key ID: 9E35DDA3DF631330
10 changed files with 189 additions and 253 deletions
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18
matrix-sdk-android/src/main/java/org/commonmark/ext/maths/DisplayMaths.java → matrix-sdk-android/src/main/java/org/commonmark/ext/maths/DisplayMaths.kt
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@ -13,20 +13,12 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.commonmark.ext.maths
package org.commonmark.ext.maths;
import org.commonmark.node.CustomBlock
import org.commonmark.node.CustomBlock;
public class DisplayMaths extends CustomBlock {
public enum DisplayDelimiter {
DOUBLE_DOLLAR,
SQUARE_BRACKET_ESCAPED
};
private DisplayDelimiter delimiter;
public DisplayMaths(DisplayDelimiter delimiter) {
this.delimiter = delimiter;
class DisplayMaths(private val delimiter: DisplayDelimiter) : CustomBlock() {
enum class DisplayDelimiter {
DOUBLE_DOLLAR, SQUARE_BRACKET_ESCAPED
}
}

55
matrix-sdk-android/src/main/java/org/commonmark/ext/maths/InlineMaths.java
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@ -1,55 +0,0 @@
/*
* Copyright (c) 2020 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.commonmark.ext.maths;
import org.commonmark.node.CustomNode;
import org.commonmark.node.Delimited;
public class InlineMaths extends CustomNode implements Delimited {
public enum InlineDelimiter {
SINGLE_DOLLAR,
ROUND_BRACKET_ESCAPED
};
private InlineDelimiter delimiter;
public InlineMaths(InlineDelimiter delimiter) {
this.delimiter = delimiter;
}
@Override
public String getOpeningDelimiter() {
switch (delimiter) {
case SINGLE_DOLLAR:
return "$";
case ROUND_BRACKET_ESCAPED:
return "\\(";
}
return null;
}
@Override
public String getClosingDelimiter() {
switch (delimiter) {
case SINGLE_DOLLAR:
return "$";
case ROUND_BRACKET_ESCAPED:
return "\\)";
}
return null;
}
}

39
matrix-sdk-android/src/main/java/org/commonmark/ext/maths/InlineMaths.kt Normal file
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@ -0,0 +1,39 @@
/*
* Copyright (c) 2020 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.commonmark.ext.maths
import org.commonmark.node.CustomNode
import org.commonmark.node.Delimited
class InlineMaths(private val delimiter: InlineDelimiter) : CustomNode(), Delimited {
enum class InlineDelimiter {
SINGLE_DOLLAR, ROUND_BRACKET_ESCAPED
}
override fun getOpeningDelimiter(): String {
return when (delimiter) {
InlineDelimiter.SINGLE_DOLLAR -> "$"
InlineDelimiter.ROUND_BRACKET_ESCAPED -> "\\("
}
}
override fun getClosingDelimiter(): String {
return when (delimiter) {
InlineDelimiter.SINGLE_DOLLAR -> "$"
InlineDelimiter.ROUND_BRACKET_ESCAPED -> "\\)"
}
}
}

51
matrix-sdk-android/src/main/java/org/commonmark/ext/maths/MathsExtension.java
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@ -1,51 +0,0 @@
/*
* Copyright (c) 2020 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.commonmark.ext.maths;
import org.commonmark.Extension;
import org.commonmark.ext.maths.internal.DollarMathsDelimiterProcessor;
import org.commonmark.ext.maths.internal.MathsHtmlNodeRenderer;
import org.commonmark.parser.Parser;
import org.commonmark.renderer.NodeRenderer;
import org.commonmark.renderer.html.HtmlNodeRendererContext;
import org.commonmark.renderer.html.HtmlNodeRendererFactory;
import org.commonmark.renderer.html.HtmlRenderer;
public class MathsExtension implements Parser.ParserExtension, HtmlRenderer.HtmlRendererExtension {
private MathsExtension() {
}
public static Extension create() {
return new MathsExtension();
}
@Override
public void extend(Parser.Builder parserBuilder) {
parserBuilder.customDelimiterProcessor(new DollarMathsDelimiterProcessor());
}
@Override
public void extend(HtmlRenderer.Builder rendererBuilder) {
rendererBuilder.nodeRendererFactory(new HtmlNodeRendererFactory() {
@Override
public NodeRenderer create(HtmlNodeRendererContext context) {
return new MathsHtmlNodeRenderer(context);
}
});
}
}

38
matrix-sdk-android/src/main/java/org/commonmark/ext/maths/MathsExtension.kt Normal file
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@ -0,0 +1,38 @@
/*
* Copyright (c) 2020 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.commonmark.ext.maths
import org.commonmark.Extension
import org.commonmark.ext.maths.internal.DollarMathsDelimiterProcessor
import org.commonmark.ext.maths.internal.MathsHtmlNodeRenderer
import org.commonmark.parser.Parser
import org.commonmark.renderer.html.HtmlRenderer
class MathsExtension private constructor() : Parser.ParserExtension, HtmlRenderer.HtmlRendererExtension {
override fun extend(parserBuilder: Parser.Builder) {
parserBuilder.customDelimiterProcessor(DollarMathsDelimiterProcessor())
}
override fun extend(rendererBuilder: HtmlRenderer.Builder) {
rendererBuilder.nodeRendererFactory { context -> MathsHtmlNodeRenderer(context) }
}
companion object {
fun create(): Extension {
return MathsExtension()
}
}
}

66
matrix-sdk-android/src/main/java/org/commonmark/ext/maths/internal/DollarMathsDelimiterProcessor.java
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@ -1,66 +0,0 @@
/*
* Copyright (c) 2020 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.commonmark.ext.maths.internal;
import org.commonmark.ext.maths.DisplayMaths;
import org.commonmark.ext.maths.InlineMaths;
import org.commonmark.node.Node;
import org.commonmark.node.Text;
import org.commonmark.parser.delimiter.DelimiterProcessor;
import org.commonmark.parser.delimiter.DelimiterRun;
public class DollarMathsDelimiterProcessor implements DelimiterProcessor {
@Override
public char getOpeningCharacter() {
return '$';
}
@Override
public char getClosingCharacter() {
return '$';
}
@Override
public int getMinLength() {
return 1;
}
@Override
public int getDelimiterUse(DelimiterRun opener, DelimiterRun closer) {
if (opener.length() == 1 && closer.length() == 1)
return 1; // inline
else if (opener.length() == 2 && closer.length() == 2)
return 2; // display
else
return 0;
}
@Override
public void process(Text opener, Text closer, int delimiterUse) {
Node maths = delimiterUse == 1 ? new InlineMaths(InlineMaths.InlineDelimiter.SINGLE_DOLLAR) :
new DisplayMaths(DisplayMaths.DisplayDelimiter.DOUBLE_DOLLAR);
Node tmp = opener.getNext();
while (tmp != null && tmp != closer) {
Node next = tmp.getNext();
maths.appendChild(tmp);
tmp = next;
}
opener.insertAfter(maths);
}
}

53
matrix-sdk-android/src/main/java/org/commonmark/ext/maths/internal/DollarMathsDelimiterProcessor.kt Normal file
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@ -0,0 +1,53 @@
/*
* Copyright (c) 2020 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.commonmark.ext.maths.internal
import org.commonmark.ext.maths.DisplayMaths
import org.commonmark.ext.maths.InlineMaths
import org.commonmark.node.Text
import org.commonmark.parser.delimiter.DelimiterProcessor
import org.commonmark.parser.delimiter.DelimiterRun
class DollarMathsDelimiterProcessor : DelimiterProcessor {
override fun getOpeningCharacter(): Char {
return '$'
}
override fun getClosingCharacter(): Char {
return '$'
}
override fun getMinLength(): Int {
return 1
}
override fun getDelimiterUse(opener: DelimiterRun, closer: DelimiterRun): Int {
return if (opener.length() == 1 && closer.length() == 1) 1 // inline
else if (opener.length() == 2 && closer.length() == 2) 2 // display
else 0
}
override fun process(opener: Text, closer: Text, delimiterUse: Int) {
val maths = if (delimiterUse == 1) InlineMaths(InlineMaths.InlineDelimiter.SINGLE_DOLLAR) else DisplayMaths(DisplayMaths.DisplayDelimiter.DOUBLE_DOLLAR)
var tmp = opener.next
while (tmp != null && tmp !== closer) {
val next = tmp.next
maths.appendChild(tmp)
tmp = next
}
opener.insertAfter(maths)
}
}

50
matrix-sdk-android/src/main/java/org/commonmark/ext/maths/internal/MathsHtmlNodeRenderer.java
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@ -1,50 +0,0 @@
/*
* Copyright (c) 2020 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.commonmark.ext.maths.internal;
import org.commonmark.ext.maths.DisplayMaths;
import org.commonmark.node.Node;
import org.commonmark.node.Text;
import org.commonmark.renderer.html.HtmlNodeRendererContext;
import org.commonmark.renderer.html.HtmlWriter;
import java.util.Collections;
import java.util.Map;
public class MathsHtmlNodeRenderer extends MathsNodeRenderer {
private final HtmlNodeRendererContext context;
private final HtmlWriter html;
public MathsHtmlNodeRenderer(HtmlNodeRendererContext context) {
this.context = context;
this.html = context.getWriter();
}
@Override
public void render(Node node) {
boolean display = node.getClass() == DisplayMaths.class;
Node contents = node.getFirstChild(); // should be the only child
String latex = ((Text) contents).getLiteral();
Map<String, String> attributes = context.extendAttributes(node, display ? "div" : "span", Collections.<String, String>singletonMap("data-mx-maths",
latex));
html.tag(display ? "div" : "span", attributes);
html.tag("code");
context.render(contents);
html.tag("/code");
html.tag(display ? "/div" : "/span");
}
}

39
matrix-sdk-android/src/main/java/org/commonmark/ext/maths/internal/MathsHtmlNodeRenderer.kt Normal file
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@ -0,0 +1,39 @@
/*
* Copyright (c) 2020 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.commonmark.ext.maths.internal
import org.commonmark.ext.maths.DisplayMaths
import org.commonmark.node.Node
import org.commonmark.node.Text
import org.commonmark.renderer.html.HtmlNodeRendererContext
import org.commonmark.renderer.html.HtmlWriter
import java.util.Collections
class MathsHtmlNodeRenderer(private val context: HtmlNodeRendererContext) : MathsNodeRenderer() {
private val html: HtmlWriter = context.writer
override fun render(node: Node) {
val display = node.javaClass == DisplayMaths::class.java
val contents = node.firstChild // should be the only child
val latex = (contents as Text).literal
val attributes = context.extendAttributes(node, if (display) "div" else "span", Collections.singletonMap("data-mx-maths",
latex))
html.tag(if (display) "div" else "span", attributes)
html.tag("code")
context.render(contents)
html.tag("/code")
html.tag(if (display) "/div" else "/span")
}
}

29
matrix-sdk-android/src/main/java/org/commonmark/ext/maths/internal/MathsNodeRenderer.java → matrix-sdk-android/src/main/java/org/commonmark/ext/maths/internal/MathsNodeRenderer.kt
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@ -13,23 +13,20 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.commonmark.ext.maths.internal
package org.commonmark.ext.maths.internal;
import org.commonmark.ext.maths.InlineMaths
import org.commonmark.ext.maths.DisplayMaths
import org.commonmark.ext.maths.internal.MathsNodeRenderer
import org.commonmark.node.Node
import org.commonmark.renderer.NodeRenderer
import java.util.HashSet
import org.commonmark.ext.maths.DisplayMaths;
import org.commonmark.ext.maths.InlineMaths;
import org.commonmark.node.Node;
import org.commonmark.renderer.NodeRenderer;
import java.util.HashSet;
import java.util.Set;
abstract class MathsNodeRenderer implements NodeRenderer {
@Override
public Set<Class<? extends Node>> getNodeTypes() {
final Set<Class<? extends Node>> types = new HashSet<Class<? extends Node>>();
types.add(InlineMaths.class);
types.add(DisplayMaths.class);
return types;
abstract class MathsNodeRenderer : NodeRenderer {
override fun getNodeTypes(): Set<Class<out Node>> {
val types: MutableSet<Class<out Node>> = HashSet()
types.add(InlineMaths::class.java)
types.add(DisplayMaths::class.java)
return types
}
}