AsciiDocToHtml.java

package pro.verron.officestamper.asciidoc;

import java.util.List;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Collectors;

import static pro.verron.officestamper.asciidoc.AsciiDocModel.*;

/// The AsciiDocToHtml class is responsible for rendering an AsciiDoc representation
/// into its corresponding HTML output. It implements the [Function] interface,
/// converting an [AsciiDocModel] to a String containing the HTML representation.
///
/// This class provides static utility methods for rendering various AsciiDoc block
/// types and inline elements into their HTML counterparts. The following block types
/// are supported for conversion:
///
/// - Headings
/// - Paragraphs
/// - Unordered and Ordered Lists
/// - Tables
/// - Blockquotes
/// - Code Blocks
/// - Image Blocks
///
/// Additionally, inline elements such as bold, italic, links, images, and text are
/// rendered with appropriate HTML tags.
///
/// The class adheres to the functional programming paradigm by implementing the
/// [#apply(AsciiDocModel)] method to facilitate the mapping of AsciiDoc models to HTML.
///
/// This class is immutable and cannot be instantiated.
public final class AsciiDocToHtml
        implements Function<AsciiDocModel, String> {

    private static String renderBlock(Block block) {
        switch (block) {
            case Heading(_, int level, List<Inline> inlines) -> {
                return String.format("<h%d>%s</h%d>\n", level, renderInlines(inlines), level);
            }
            case Paragraph(List<String> header, List<Inline> inlines) -> {
                if (header.isEmpty()) return String.format("<p>%s</p>\n", renderInlines(inlines));
                else return String.format("<p class=\"%s\">%s</p>\n", header.getFirst(), renderInlines(inlines));
            }
            case UnorderedList(List<ListItem> items) -> {
                return "<ul>\n" + items.stream()
                                       .map(item -> "  <li>" + renderInlines(item.inlines()) + "</li>\n")
                                       .collect(Collectors.joining()) + "</ul>\n";
            }
            case OrderedList(List<ListItem> items) -> {
                return "<ol>\n" + items.stream()
                                       .map(item -> "  <li>" + renderInlines(item.inlines()) + "</li>\n")
                                       .collect(Collectors.joining()) + "</ol>\n";
            }
            case Table(List<Row> rows) -> {
                StringBuilder sb = new StringBuilder("<table>\n");
                for (Row row : rows) {
                    sb.append("  <tr>\n");
                    for (Cell cell : row.cells()) {
                        sb.append("    <td>")
                          .append(cell.blocks()
                                      .stream()
                                      .map(AsciiDocToHtml::renderBlock)
                                      .collect(Collectors.joining()))
                          .append("</td>\n");
                    }
                    sb.append("  </tr>\n");
                }
                sb.append("</table>\n");
                return sb.toString();
            }
            case Blockquote(List<Inline> inlines) -> {
                return "<blockquote>" + renderInlines(inlines) + "</blockquote>\n";
            }
            case CodeBlock(String language, String content) -> {
                return String.format("<pre><code class=\"language-%s\">%s</code></pre>\n", language, content);
            }
            case ImageBlock(String url, String altText) -> {
                return String.format("<img src=\"%s\" alt=\"%s\">\n", url, altText);
            }
            default -> { /* DO NOTHING */ }
        }
        return "";
    }

    private static String renderInlines(List<Inline> inlines) {
        StringBuilder sb = new StringBuilder();
        for (Inline inline : inlines) {
            switch (inline) {
                case Text(String text1) -> sb.append(text1);
                case Bold(List<Inline> children1) -> sb.append("<b>")
                                                       .append(renderInlines(children1))
                                                       .append("</b>");
                case Italic(List<Inline> children) -> sb.append("<i>")
                                                        .append(renderInlines(children))
                                                        .append("</i>");
                case Tab _ -> sb.append("&nbsp;&nbsp;&nbsp;&nbsp;");
                case Link(String url1, String text) -> sb.append(String.format("<a href=\"%s\">%s</a>", url1, text));
                case InlineImage(String url, Map<String, String> map) ->
                        sb.append(String.format("<img src=\"%s\" alt=\"%s\">", url, map.get("title")));
                default -> { /* DO NOTHING */ }
            }
        }
        return sb.toString();
    }

    /// Converts the given AsciiDoc model into an HTML document string.
    ///
    /// @param model the AsciiDocModel containing the blocks to be processed.
    /// @return the resulting HTML document as a string.
    public String apply(AsciiDocModel model) {
        StringBuilder html = new StringBuilder();
        html.append("<!DOCTYPE html>\n<html>\n<head>\n<meta charset=\"UTF-8\">\n</head>\n<body>\n");
        for (Block block : model.getBlocks()) {
            html.append(renderBlock(block));
        }
        html.append("</body>\n</html>");
        return html.toString();
    }
}
















Active mutators

CONDITIONALS_BOUNDARY
EMPTY_RETURNS
FALSE_RETURNS
INCREMENTS
INVERT_NEGS
MATH
NEGATE_CONDITIONALS
NULL_RETURNS
PRIMITIVE_RETURNS
TRUE_RETURNS
VOID_METHOD_CALLS

Tests examined

Report generated by PIT 1.23.1 support

1		package pro.verron.officestamper.asciidoc;
2
3		import java.util.List;
4		import java.util.Map;
5		import java.util.function.Function;
6		import java.util.stream.Collectors;
7
8		import static pro.verron.officestamper.asciidoc.AsciiDocModel.*;
9
10		/// The AsciiDocToHtml class is responsible for rendering an AsciiDoc representation
11		/// into its corresponding HTML output. It implements the [Function] interface,
12		/// converting an [AsciiDocModel] to a String containing the HTML representation.
13		///
14		/// This class provides static utility methods for rendering various AsciiDoc block
15		/// types and inline elements into their HTML counterparts. The following block types
16		/// are supported for conversion:
17		///
18		/// - Headings
19		/// - Paragraphs
20		/// - Unordered and Ordered Lists
21		/// - Tables
22		/// - Blockquotes
23		/// - Code Blocks
24		/// - Image Blocks
25		///
26		/// Additionally, inline elements such as bold, italic, links, images, and text are
27		/// rendered with appropriate HTML tags.
28		///
29		/// The class adheres to the functional programming paradigm by implementing the
30		/// [#apply(AsciiDocModel)] method to facilitate the mapping of AsciiDoc models to HTML.
31		///
32		/// This class is immutable and cannot be instantiated.
33		public final class AsciiDocToHtml
34		implements Function<AsciiDocModel, String> {
35
36		private static String renderBlock(Block block) {
37		switch (block) {
38	1 1. renderBlock : negated conditional → NO_COVERAGE	case Heading(_, int level, List<Inline> inlines) -> {
39	1 1. renderBlock : replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::renderBlock → NO_COVERAGE	return String.format("<h%d>%s</h%d>\n", level, renderInlines(inlines), level);
40		}
41		case Paragraph(List<String> header, List<Inline> inlines) -> {
42	2 1. renderBlock : replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::renderBlock → NO_COVERAGE 2. renderBlock : negated conditional → NO_COVERAGE	if (header.isEmpty()) return String.format("<p>%s</p>\n", renderInlines(inlines));
43	1 1. renderBlock : replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::renderBlock → NO_COVERAGE	else return String.format("<p class=\"%s\">%s</p>\n", header.getFirst(), renderInlines(inlines));
44		}
45		case UnorderedList(List<ListItem> items) -> {
46	1 1. renderBlock : replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::renderBlock → NO_COVERAGE	return "<ul>\n" + items.stream()
47	1 1. lambda$renderBlock$0 : replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::lambda$renderBlock$0 → NO_COVERAGE	.map(item -> " <li>" + renderInlines(item.inlines()) + "</li>\n")
48		.collect(Collectors.joining()) + "</ul>\n";
49		}
50		case OrderedList(List<ListItem> items) -> {
51	1 1. renderBlock : replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::renderBlock → NO_COVERAGE	return "<ol>\n" + items.stream()
52	1 1. lambda$renderBlock$1 : replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::lambda$renderBlock$1 → NO_COVERAGE	.map(item -> " <li>" + renderInlines(item.inlines()) + "</li>\n")
53		.collect(Collectors.joining()) + "</ol>\n";
54		}
55		case Table(List<Row> rows) -> {
56		StringBuilder sb = new StringBuilder("<table>\n");
57		for (Row row : rows) {
58		sb.append(" <tr>\n");
59		for (Cell cell : row.cells()) {
60		sb.append(" <td>")
61		.append(cell.blocks()
62		.stream()
63		.map(AsciiDocToHtml::renderBlock)
64		.collect(Collectors.joining()))
65		.append("</td>\n");
66		}
67		sb.append(" </tr>\n");
68		}
69		sb.append("</table>\n");
70	1 1. renderBlock : replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::renderBlock → NO_COVERAGE	return sb.toString();
71		}
72		case Blockquote(List<Inline> inlines) -> {
73	1 1. renderBlock : replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::renderBlock → NO_COVERAGE	return "<blockquote>" + renderInlines(inlines) + "</blockquote>\n";
74		}
75		case CodeBlock(String language, String content) -> {
76	1 1. renderBlock : replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::renderBlock → NO_COVERAGE	return String.format("<pre><code class=\"language-%s\">%s</code></pre>\n", language, content);
77		}
78		case ImageBlock(String url, String altText) -> {
79	1 1. renderBlock : replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::renderBlock → NO_COVERAGE	return String.format("<img src=\"%s\" alt=\"%s\">\n", url, altText);
80		}
81		default -> { /* DO NOTHING */ }
82		}
83		return "";
84		}
85
86		private static String renderInlines(List<Inline> inlines) {
87		StringBuilder sb = new StringBuilder();
88		for (Inline inline : inlines) {
89		switch (inline) {
90		case Text(String text1) -> sb.append(text1);
91		case Bold(List<Inline> children1) -> sb.append("<b>")
92		.append(renderInlines(children1))
93		.append("</b>");
94		case Italic(List<Inline> children) -> sb.append("<i>")
95		.append(renderInlines(children))
96		.append("</i>");
97		case Tab _ -> sb.append("    ");
98		case Link(String url1, String text) -> sb.append(String.format("<a href=\"%s\">%s</a>", url1, text));
99		case InlineImage(String url, Map<String, String> map) ->
100		sb.append(String.format("<img src=\"%s\" alt=\"%s\">", url, map.get("title")));
101		default -> { /* DO NOTHING */ }
102		}
103		}
104	1 1. renderInlines : replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::renderInlines → NO_COVERAGE	return sb.toString();
105		}
106
107		/// Converts the given AsciiDoc model into an HTML document string.
108		///
109		/// @param model the AsciiDocModel containing the blocks to be processed.
110		/// @return the resulting HTML document as a string.
111		public String apply(AsciiDocModel model) {
112		StringBuilder html = new StringBuilder();
113		html.append("<!DOCTYPE html>\n<html>\n<head>\n<meta charset=\"UTF-8\">\n</head>\n<body>\n");
114		for (Block block : model.getBlocks()) {
115		html.append(renderBlock(block));
116		}
117		html.append("</body>\n</html>");
118	1 1. apply : replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::apply → NO_COVERAGE	return html.toString();
119		}
120		}
		Mutations
38		1.1 Location : renderBlock Killed by : none negated conditional → NO_COVERAGE
39		1.1 Location : renderBlock Killed by : none replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::renderBlock → NO_COVERAGE
42		1.1 Location : renderBlock Killed by : none replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::renderBlock → NO_COVERAGE 2.2 Location : renderBlock Killed by : none negated conditional → NO_COVERAGE
43		1.1 Location : renderBlock Killed by : none replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::renderBlock → NO_COVERAGE
46		1.1 Location : renderBlock Killed by : none replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::renderBlock → NO_COVERAGE
47		1.1 Location : lambda$renderBlock$0 Killed by : none replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::lambda$renderBlock$0 → NO_COVERAGE
51		1.1 Location : renderBlock Killed by : none replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::renderBlock → NO_COVERAGE
52		1.1 Location : lambda$renderBlock$1 Killed by : none replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::lambda$renderBlock$1 → NO_COVERAGE
70		1.1 Location : renderBlock Killed by : none replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::renderBlock → NO_COVERAGE
73		1.1 Location : renderBlock Killed by : none replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::renderBlock → NO_COVERAGE
76		1.1 Location : renderBlock Killed by : none replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::renderBlock → NO_COVERAGE
79		1.1 Location : renderBlock Killed by : none replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::renderBlock → NO_COVERAGE
104		1.1 Location : renderInlines Killed by : none replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::renderInlines → NO_COVERAGE
118		1.1 Location : apply Killed by : none replaced return value with "" for pro/verron/officestamper/asciidoc/AsciiDocToHtml::apply → NO_COVERAGE

AsciiDocToHtml.java

Mutations

Active mutators

Tests examined