Be more restrictive when highlighting missing images (#1727)

CHANGELOG.adoc

@@ -11,6 +11,7 @@ This document provides a high-level view of the changes introduced by release.
 
 - Fix text color of non-icon admonitions in dark preview
 - Adding an intent to add the option to disable validation on individual code blocks (#830)
+- Be more restrictive when highlighting missing images (#1727)
 
 === 0.43.3
 

src/main/java/org/asciidoc/intellij/inspections/AsciiDocLinkResolveInspection.java

@@ -104,7 +104,7 @@ public void visitElement(@NotNull PsiElement o) {
           } else if (o instanceof AsciiDocLink && ((AsciiDocLink) o).getMacroName().equals("link") && resolvedBody.startsWith("about:")) {
             // this is a special about: URL, don't report this as an error
             return;
-          } else if (AsciiDocFileReference.URL.matcher(resolvedBody).find() && (macroName.equals("image") || macroName.equals("video"))) {
+          } else if ((AsciiDocUtil.URL_PREFIX_PATTERN.matcher(resolvedBody).find() || resolvedBody.startsWith("data:")) && (macroName.equals("image") || macroName.equals("video"))) {
             // this is a data URI for an image, don't
             return;
           } else if (resolvedBody.startsWith("/")) {
@@ -239,7 +239,7 @@ private boolean hasImagesDirAsUrl(PsiElement o) {
       if (decl.getContainingFile().equals(o.getContainingFile()) &&
         decl.getTextOffset() < o.getTextOffset() &&
         val != null &&
-        AsciiDocFileReference.URL.matcher(val).find()) {
+        (AsciiDocUtil.URL_PREFIX_PATTERN.matcher(val).find() || val.startsWith("data:"))) {
         continueResolving = false;
         break;
       }

src/main/java/org/asciidoc/intellij/psi/AsciiDocFileReference.java

@@ -81,26 +81,7 @@
 
 public class AsciiDocFileReference extends PsiReferenceBase<PsiElement> implements PsiPolyVariantReference {
   private static final int MAX_DEPTH = 10;
-  /**
-   * Detects strings that resemble URIs.
-   * <p>
-   * Examples:
-   * <ul>
-   * <li>http://domain</li>
-   * <li>https://domain
-   * <li>file:///path</li>
-   * <li>data:info</li>
-   * </ul>
-   * <p>
-   * not c:/sample.adoc or c:\sample.adoc.
-   * <p>
-   * taken from Asciidoctor rx.rb, UriSniffRx
-   */
-  public static final Pattern URL = Pattern.compile("^\\p{Alpha}[\\p{Alnum}.+-]+:/{0,2}", Pattern.UNICODE_CHARACTER_CLASS);
   public static final String FILE_PREFIX = "file:///";
-
-
-
   private final String key;
   private final String macroName;
   private final String base;