diff options
| -rw-r--r-- | app/src/main/java/ml/docilealligator/infinityforreddit/markdown/CustomMarkwonAdapter.java | 7 | ||||
| -rw-r--r-- | app/src/main/java/ml/docilealligator/infinityforreddit/markdown/RichTextUtils.java | 133 |
2 files changed, 140 insertions, 0 deletions
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/markdown/CustomMarkwonAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/markdown/CustomMarkwonAdapter.java index e83d5597..766418fc 100644 --- a/app/src/main/java/ml/docilealligator/infinityforreddit/markdown/CustomMarkwonAdapter.java +++ b/app/src/main/java/ml/docilealligator/infinityforreddit/markdown/CustomMarkwonAdapter.java @@ -89,6 +89,13 @@ public class CustomMarkwonAdapter extends MarkwonAdapter { public void setParsedMarkdown(@NonNull Markwon markwon, @NonNull List<Node> nodes) { // clear all entries before applying + /*try { + JSONObject object = RichTextUtils.constructRichTextJSON(nodes); + Log.i("asdf", "s" + object); + } catch (JSONException e) { + throw new RuntimeException(e); + }*/ + defaultEntry.clear(); for (int i = 0, size = entries.size(); i < size; i++) { diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/markdown/RichTextUtils.java b/app/src/main/java/ml/docilealligator/infinityforreddit/markdown/RichTextUtils.java new file mode 100644 index 00000000..993f066e --- /dev/null +++ b/app/src/main/java/ml/docilealligator/infinityforreddit/markdown/RichTextUtils.java @@ -0,0 +1,133 @@ +package ml.docilealligator.infinityforreddit.markdown; + +import org.commonmark.ext.gfm.strikethrough.Strikethrough; +import org.commonmark.node.Code; +import org.commonmark.node.Emphasis; +import org.commonmark.node.Node; +import org.commonmark.node.Paragraph; +import org.commonmark.node.StrongEmphasis; +import org.commonmark.node.Text; +import org.json.JSONArray; +import org.json.JSONException; +import org.json.JSONObject; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import javax.annotation.Nullable; + +public class RichTextUtils { + private static final int BOLD = 1; + private static final int ITALICS = 2; + private static final int STRIKETHROUGH = 8; + private static final int SUPERSCRIPT = 32; + private static final int INLINE_CODE = 64; + + private static final String PARAGRAPH_E = "par"; + private static final String TEXT_E = "text"; + private static final String HEADING_E = "h"; + private static final String LINK_E = "link"; + private static final String LIST_E = "list"; + private static final String LI_E = "li"; + private static final String BLOCKQUOTE_E = "blockquote"; + private static final String CODE_BLOCK_E = "code"; + //For lines in code block + private static final String RAW_E = "raw"; + private static final String SPOILER_E = "spoilertext"; + private static final String TABLE_E = "table"; + private static final String IMAGE_E = "img"; + + private static final String TYPE = "e"; + private static final String CONTENT = "c"; + private static final String TEXT = "t"; + private static final String FORMAT = "f"; + private static final String DOCUMENT = "document"; + + public static JSONObject constructRichTextJSON(List<Node> nodes) throws JSONException { + Map<String, Integer> formatMap = new HashMap<>(); + formatMap.put(StrongEmphasis.class.getName(), BOLD); + formatMap.put(Emphasis.class.getName(), ITALICS); + formatMap.put(Strikethrough.class.getName(), STRIKETHROUGH); + formatMap.put(Superscript.class.getName(), SUPERSCRIPT); + formatMap.put(Code.class.getName(), INLINE_CODE); + + JSONObject richText = new JSONObject(); + JSONArray document = new JSONArray(); + + for (Node n : nodes) { + JSONObject nodeJSON = getRichTextObject(n, formatMap); + if (nodeJSON != null) { + document.put(nodeJSON); + } + } + richText.put(DOCUMENT, document); + + return richText; + } + + private static JSONObject getRichTextObject(Node node, Map<String, Integer> formatMap) throws JSONException { + if (node instanceof Paragraph) { + return getRichTextObject((Paragraph) node, formatMap); + } + return null; + } + + private static JSONObject getRichTextObject(Paragraph paragraph, Map<String, Integer> formatMap) throws JSONException { + JSONObject result = new JSONObject(); + result.put(TYPE, PARAGRAPH_E); + + JSONArray cArray = new JSONArray(); + JSONObject content = new JSONObject(); + content.put(TYPE, TEXT_E); + + StringBuilder stringBuilder = new StringBuilder(); + List<JSONArray> formats = new ArrayList<>(); + + Node child = paragraph.getFirstChild(); + while (child != null) { + JSONArray format = getFormatArray(child, stringBuilder, formatMap); + if (format != null) { + formats.add(format); + } + child = child.getNext(); + } + content.put(TEXT, stringBuilder.toString()); + if (!formats.isEmpty()) { + JSONArray formatsArray = new JSONArray(); + for (JSONArray f : formats) { + formatsArray.put(f); + } + content.put(FORMAT, formatsArray); + } + + cArray.put(content); + result.put(CONTENT, cArray); + + return result; + } + + @Nullable + private static JSONArray getFormatArray(Node node, StringBuilder stringBuilder, + Map<String, Integer> formatMap) { + int formatNum = 0; + while (node != null && node.getFirstChild() != null) { + formatNum += formatMap.get(node.getClass().getName()); + node = node.getFirstChild(); + } + if (node instanceof Text) { + int start = stringBuilder.length(); + stringBuilder.append(((Text) node).getLiteral()); + if (formatNum > 0) { + JSONArray format = new JSONArray(); + format.put(formatNum); + format.put(start); + format.put(((Text) node).getLiteral().length()); + return format; + } + } + + return null; + } +} |