Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.scl.compiler / src / org / simantics / scl / compiler / markdown / nodes / Reference.java

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/markdown/nodes/Reference.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/markdown/nodes/Reference.java
new file mode 100644 (file)
index 0000000..b2231af
--- /dev/null
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/markdown/nodes/Reference.java
@@ -0,0 +1,83 @@
+package org.simantics.scl.compiler.markdown.nodes;
+
+import org.simantics.scl.compiler.markdown.inlines.Entities;
+import org.simantics.scl.compiler.markdown.inlines.Subject;
+
+public class Reference {
+    public final String label;
+    public final String url;
+    public final String title;
+    
+    public Reference(String label, String url, String title) {
+        this.label = label;
+        this.url = url;
+        this.title = title;
+    }
+    
+    public static String normalizeLabel(String label) {
+        StringBuilder b = new StringBuilder();
+        int pos = 0;
+        while(pos < label.length() && Character.isWhitespace(label.charAt(pos)))
+            ++pos;
+        boolean ws = false;
+        while(pos < label.length()) {
+            char c = label.charAt(pos++);
+            if(Character.isWhitespace(c))
+                ws = true;
+            else {
+                if(ws)
+                    b.append(' ');
+                b.append(Character.toLowerCase(c));
+            }
+        }
+        return b.toString();
+    }
+    
+    public static String cleanUrl(String input) {
+        StringBuilder b = new StringBuilder();
+        int pos = 0;
+        while(pos < input.length()) {
+            char c = input.charAt(pos++);
+            if(c == '\\' && pos < input.length()) {
+                c = input.charAt(pos);
+                if(Subject.getCharType(c) == 2) {
+                    b.append(c);
+                    ++pos;
+                }
+                else
+                    b.append('\\');
+            }
+            else if(c == '&') {
+                int maxPos = Math.min(input.length(), pos+Entities.MAX_ENTITY_LENGTH+1);
+                int p = pos;
+                while(true) {
+                    if(p == maxPos) {
+                        b.append("&");
+                        break;
+                    }
+                    c = input.charAt(p++);
+                    if(c == ';') {
+                        String entity = input.substring(pos, p-1);
+                        String character = Entities.ENTITY_MAP.get(entity);
+                        if(character == null) {
+                            b.append("&");
+                            break;
+                        }
+                        else {
+                            pos = p;
+                            b.append(character);
+                            break;
+                        }
+                    }
+                }
+            }
+            else
+                b.append(c);
+        }
+        return b.toString();
+    }
+    
+    public static String cleanTitle(String input) {
+        return cleanUrl(input);
+    }
+}