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process markdown relative references

This commit is contained in:
Grahame Grieve 2022-11-02 20:56:40 +11:00
parent c8bf2aa4e5
commit 68a3b6c808
1 changed files with 40 additions and 0 deletions
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40
org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/renderers/DataRenderer.java
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@ -15,6 +15,7 @@ import java.time.format.FormatStyle;
import java.time.format.SignStyle;
import java.util.Currency;
import java.util.List;
import java.util.Set;
import org.hl7.fhir.exceptions.DefinitionException;
import org.hl7.fhir.exceptions.FHIRException;
@ -97,6 +98,45 @@ public class DataRenderer extends Renderer {
// -- 2. Markdown support -------------------------------------------------------
public static String processRelativeUrls(String markdown, String path) {
if (markdown == null) {
return "";
}
if (!Utilities.isAbsoluteUrl(path)) {
return markdown;
}
String basePath = path.contains("/") ? path.substring(0, path.lastIndexOf("/")+1) : path+"/";
StringBuilder b = new StringBuilder();
int i = 0;
while (i < markdown.length()) {
if (i < markdown.length()-3 && markdown.substring(i, i+2).equals("](")) {
int j = i + 2;
while (j < markdown.length() && markdown.charAt(j) != ')')
j++;
if (j < markdown.length()) {
String url = markdown.substring(i+2, j);
if (!Utilities.isAbsoluteUrl(url) && !url.startsWith("..")) {
// it's relative - so it's relative to the base URL
b.append("](");
b.append(basePath);
} else {
b.append("](");
}
i = i + 1;
} else
b.append(markdown.charAt(i));
} else {
b.append(markdown.charAt(i));
}
i++;
}
return b.toString();
}
protected void addMarkdown(XhtmlNode x, String text, String path) throws FHIRFormatError, IOException, DefinitionException {
addMarkdown(x, processRelativeUrls(text, path));
}
protected void addMarkdown(XhtmlNode x, String text) throws FHIRFormatError, IOException, DefinitionException {
if (text != null) {
// 1. custom FHIR extensions