Dave Jarvis' Repositories

git clone https://repo.autonoma.ca/repo/keenwrite.git
keenwrite / Compare 4971256...36cc36b
M README.md
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* Platform-independent (Windows, Linux, MacOS)
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## Typesetting
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Typesetting to PDF files requires the following:
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* [Theme Pack](https://github.com/DaveJarvis/keenwrite-themes/releases/latest/download/theme-pack.zip)
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* [ConTeXt](https://wiki.contextgarden.net/Installation)
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## Usage
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M README.zh-CN.md
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* 嵌入R语句
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## Typesetting
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排版到 PDF 文件需要以下內容:
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* [Theme Pack](https://github.com/DaveJarvis/keenwrite-themes/releases/latest/download/theme-pack.zip)
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* [ConTeXt](https://wiki.contextgarden.net/Installation)
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## 软件使用
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See the [detailed documentation](docs/README.md) for information about
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using the application.
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有關使用該應用程序的信息，請參[閱詳細文檔](docs/README.md)。
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## 截图
M src/main/java/com/keenwrite/processors/markdown/extensions/fences/FencedBlockExtension.java
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 */
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public final class FencedBlockExtension extends HtmlRendererAdapter {
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  private final static String TEMP_DIR = System.getProperty( "java.io.tmpdir" );
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  /**
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   * Ensure that the device is always closed to prevent an out-of-resources
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   * error, regardless of whether the R expression the user tries to evaluate
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   * is valid by swallowing errors alongside a {@code finally} block.
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   */
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  private final static String R_SVG_EXPORT =
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    "tryCatch({svg('%s')%n%s%n},finally={dev.off()})%n";
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  private final static String STYLE_DIAGRAM = "diagram-";
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  private final static int STYLE_DIAGRAM_LEN = STYLE_DIAGRAM.length();
...
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      final var text = mRVariableProcessor.apply( content );
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      final var hash = Integer.toHexString( text.hashCode() );
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      final var temp = System.getProperty( "java.io.tmpdir" );
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      final var file = format( "%s-%s.svg", APP_TITLE_LOWERCASE, hash );
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      final var source = Paths.get( temp, file ).toString();
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      final var link = context.resolveLink( LINK, source, false );
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      final var r = format( "svg('%s')%n%s%ndev.off()%n", source, text );
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      final var filename = format( "%s-%s.svg", APP_TITLE_LOWERCASE, hash );
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      final var svg = Paths.get( TEMP_DIR, filename ).toString();
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      final var link = context.resolveLink( LINK, svg, false );
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      final var r = format( R_SVG_EXPORT, svg, text );
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      final var result = mRChunkEvaluator.apply( r );
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      return new Pair<>( source, link );
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      return new Pair<>( svg, link );
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    }
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A src/test/java/com/keenwrite/io/FileObjectTest.java
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package com.keenwrite.io;
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import org.apache.commons.vfs2.FileSystemException;
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import org.junit.jupiter.api.Disabled;
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import org.renjin.eval.SessionBuilder;
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import java.io.IOException;
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import java.io.OutputStreamWriter;
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import static java.io.File.separator;
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import static java.lang.String.format;
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import static java.nio.charset.StandardCharsets.UTF_8;
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/**
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 * Tests file resource allocation.
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 */
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public class FileObjectTest {
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  private final static String TEMP_DIR = System.getProperty( "java.io.tmpdir" );
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  /**
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   * Test that resources are not exhausted.
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   *
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   * Disabled because no issue was found and this test thrashes the I/O.
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   */
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  @Disabled
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  void test_Open_MultipleFiles_NoResourcesExpire() throws FileSystemException {
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    final var builder = new SessionBuilder();
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    final var session = builder.build();
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    for( int i = 0; i < 10000; i++ ) {
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      final var filename = format( "%s%s%d.txt", TEMP_DIR, separator, i );
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      final var fileObject = session
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        .getFileSystemManager()
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        .resolveFile( filename );
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      try(
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        final var stream = fileObject.getContent().getOutputStream();
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        final var writer = new OutputStreamWriter( stream, UTF_8 ) ) {
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        writer.write( "contents" );
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      } catch( final IOException e ) {
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        throw new FileSystemException( e );
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      }
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      fileObject.delete();
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    }
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  }
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}
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