feat: add getter for parameter tooltip/description

Also collapse consecutive whitespace in parameter description into single space

Signed-off-by: Christopher Arndt <[email protected]>

faustdoctor/architectures/generic.cpp

@@ -225,6 +225,18 @@ const char *{{Identifier}}::parameter_short_label(unsigned index) noexcept
     }
 }
 
+const char *{{Identifier}}::parameter_description(unsigned index) noexcept
+{
+    switch (index) {
+    {% for w in active + passive %}{% if w.tooltip %}
+    case {{loop.index0}}:
+        return {{cstr(w.tooltip)}};
+    {%- endif %}{% endfor %}
+    default:
+        return 0;
+    }
+}
+
 const char *{{Identifier}}::parameter_style(unsigned index) noexcept
 {
     switch (index) {

faustdoctor/architectures/generic.hpp

@@ -69,6 +69,7 @@ class {{Identifier}} {
     static const char *parameter_group_symbol(unsigned group_id) noexcept;
     static const char *parameter_label(unsigned index) noexcept;
     static const char *parameter_short_label(unsigned index) noexcept;
+    static const char *parameter_description(unsigned index) noexcept;
     static const char *parameter_style(unsigned index) noexcept;
     static const char *parameter_symbol(unsigned index) noexcept;
     static const char *parameter_unit(unsigned index) noexcept;

faustdoctor/metadata.py

@@ -194,7 +194,7 @@ def extract_widget(node: ET.Element, is_active: bool, md: Metadata) -> Widget:
         elif key == "symbol":
             w.symbol = mangle(value)
         elif key == "tooltip":
-            w.tooltip = value
+            w.tooltip = re.sub(r'\s+', ' ', value)
         elif key == "unit":
             w.unit = value