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Add @hide support for styleable attributes

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AAPT2 generates documentation for styleables. The documentation contains
references to the attributes of the styleable. If the attributes are
marked @hide, remove the references to the attributes in the generated
coments.

Bug: 120262117
Test: m -j offline-sdk-docs
Change-Id: I541002077b17771d89caead04df2f4ae66c623f0
This commit is contained in:
Ryan Mitchell
2018-12-03 11:28:42 -08:00
parent e8f76a3642
commit be8607dcd5
2 changed files with 54 additions and 15 deletions
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29
tools/aapt2/java/JavaClassGenerator.cpp
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@@ -298,19 +298,20 @@ void JavaClassGenerator::ProcessStyleable(const ResourceNameRef& name, const Res
"<colgroup align=\"left\" />\n"
"<tr><th>Attribute</th><th>Description</th></tr>\n";
// Build the table of attributes with their links and names.
for (const StyleableAttr& entry : sorted_attributes) {
if (SkipSymbol(entry.symbol)) {
continue;
}
// Removed and hidden attributes are public but hidden from the documentation, so don't emit
// them as part of the class documentation.
std::vector<StyleableAttr> documentation_attrs = sorted_attributes;
auto documentation_remove_iter = std::remove_if(documentation_attrs.begin(),
documentation_attrs.end(),
[&](StyleableAttr entry) -> bool {
StringPiece attr_comment_line = entry.symbol.value().attribute->GetComment();
if (attr_comment_line.contains("@removed")) {
// Removed attributes are public but hidden from the documentation, so
// don't emit them as part of the class documentation.
continue;
}
return SkipSymbol(entry.symbol) || attr_comment_line.contains("@removed")
|| attr_comment_line.contains("@hide");
});
documentation_attrs.erase(documentation_remove_iter, documentation_attrs.end());
// Build the table of attributes with their links and names.
for (const StyleableAttr& entry : documentation_attrs) {
const ResourceName& attr_name = entry.attr_ref->name.value();
styleable_comment << "<tr><td><code>{@link #" << entry.field_name << " "
<< (!attr_name.package.empty() ? attr_name.package
@@ -320,16 +321,14 @@ void JavaClassGenerator::ProcessStyleable(const ResourceNameRef& name, const Res
// Only use the comment up until the first '.'. This is to stay compatible with
// the way old AAPT did it (presumably to keep it short and to avoid including
// annotations like @hide which would affect this Styleable).
StringPiece attr_comment_line = entry.symbol.value().attribute->GetComment();
styleable_comment << "<td>" << AnnotationProcessor::ExtractFirstSentence(attr_comment_line)
<< "</td></tr>\n";
}
styleable_comment << "</table>\n";
// Generate the @see lines for each attribute.
for (const StyleableAttr& entry : sorted_attributes) {
if (SkipSymbol(entry.symbol)) {
continue;
}
for (const StyleableAttr& entry : documentation_attrs) {
styleable_comment << "@see #" << entry.field_name << "\n";
}