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-rw-r--r--tools/aapt2/ResourceParser.cpp103
1 files changed, 66 insertions, 37 deletions
diff --git a/tools/aapt2/ResourceParser.cpp b/tools/aapt2/ResourceParser.cpp
index 95877045072b..58702dc465cc 100644
--- a/tools/aapt2/ResourceParser.cpp
+++ b/tools/aapt2/ResourceParser.cpp
@@ -78,7 +78,7 @@ static uint32_t ParseFormatType(const StringPiece& piece) {
static uint32_t ParseFormatAttribute(const StringPiece& str) {
uint32_t mask = 0;
- for (StringPiece part : util::Tokenize(str, '|')) {
+ for (const StringPiece& part : util::Tokenize(str, '|')) {
StringPiece trimmed_part = util::TrimWhitespace(part);
uint32_t type = ParseFormatType(trimmed_part);
if (type == 0) {
@@ -99,7 +99,7 @@ struct ParsedResource {
ResourceId id;
Visibility::Level visibility_level = Visibility::Level::kUndefined;
bool allow_new = false;
- Maybe<Overlayable> overlayable;
+ Maybe<OverlayableItem> overlayable_item;
std::string comment;
std::unique_ptr<Value> value;
@@ -133,8 +133,8 @@ static bool AddResourcesToTable(ResourceTable* table, IDiagnostics* diag, Parsed
}
}
- if (res->overlayable) {
- if (!table->SetOverlayable(res->name, res->overlayable.value(), diag)) {
+ if (res->overlayable_item) {
+ if (!table->SetOverlayable(res->name, res->overlayable_item.value(), diag)) {
return false;
}
}
@@ -1059,92 +1059,119 @@ bool ResourceParser::ParseSymbol(xml::XmlPullParser* parser, ParsedResource* out
bool ResourceParser::ParseOverlayable(xml::XmlPullParser* parser, ParsedResource* out_resource) {
if (out_resource->config != ConfigDescription::DefaultConfig()) {
diag_->Warn(DiagMessage(out_resource->source)
- << "ignoring configuration '" << out_resource->config
- << "' for <overlayable> tag");
+ << "ignoring configuration '" << out_resource->config
+ << "' for <overlayable> tag");
+ }
+
+ Maybe<StringPiece> overlayable_name = xml::FindNonEmptyAttribute(parser, "name");
+ if (!overlayable_name) {
+ diag_->Error(DiagMessage(out_resource->source)
+ << "<overlayable> tag must have a 'name' attribute");
+ return false;
}
+ const std::string kActorUriScheme =
+ android::base::StringPrintf("%s://", Overlayable::kActorScheme);
+ Maybe<StringPiece> overlayable_actor = xml::FindNonEmptyAttribute(parser, "actor");
+ if (overlayable_actor && !util::StartsWith(overlayable_actor.value(), kActorUriScheme)) {
+ diag_->Error(DiagMessage(out_resource->source)
+ << "specified <overlayable> tag 'actor' attribute must use the scheme '"
+ << Overlayable::kActorScheme << "'");
+ return false;
+ }
+
+ // Create a overlayable entry grouping that represents this <overlayable>
+ auto overlayable = std::make_shared<Overlayable>(
+ overlayable_name.value(), (overlayable_actor) ? overlayable_actor.value() : "",
+ out_resource->source);
+
bool error = false;
std::string comment;
- Overlayable::PolicyFlags current_policies = Overlayable::Policy::kNone;
+ OverlayableItem::PolicyFlags current_policies = OverlayableItem::Policy::kNone;
const size_t start_depth = parser->depth();
while (xml::XmlPullParser::IsGoodEvent(parser->Next())) {
xml::XmlPullParser::Event event = parser->event();
if (event == xml::XmlPullParser::Event::kEndElement && parser->depth() == start_depth) {
- // Break the loop when exiting the overlayable element
+ // Break the loop when exiting the <overlayable>
break;
} else if (event == xml::XmlPullParser::Event::kEndElement
&& parser->depth() == start_depth + 1) {
- // Clear the current policies when exiting the policy element
- current_policies = Overlayable::Policy::kNone;
+ // Clear the current policies when exiting the <policy> tags
+ current_policies = OverlayableItem::Policy::kNone;
continue;
} else if (event == xml::XmlPullParser::Event::kComment) {
- // Get the comment of individual item elements
+ // Retrieve the comment of individual <item> tags
comment = parser->comment();
continue;
} else if (event != xml::XmlPullParser::Event::kStartElement) {
- // Skip to the next element
+ // Skip to the start of the next element
continue;
}
- const Source item_source = source_.WithLine(parser->line_number());
+ const Source element_source = source_.WithLine(parser->line_number());
const std::string& element_name = parser->element_name();
const std::string& element_namespace = parser->element_namespace();
if (element_namespace.empty() && element_name == "item") {
// Items specify the name and type of resource that should be overlayable
- Maybe<StringPiece> maybe_name = xml::FindNonEmptyAttribute(parser, "name");
- if (!maybe_name) {
- diag_->Error(DiagMessage(item_source)
- << "<item> within an <overlayable> tag must have a 'name' attribute");
+ Maybe<StringPiece> item_name = xml::FindNonEmptyAttribute(parser, "name");
+ if (!item_name) {
+ diag_->Error(DiagMessage(element_source)
+ << "<item> within an <overlayable> must have a 'name' attribute");
error = true;
continue;
}
- Maybe<StringPiece> maybe_type = xml::FindNonEmptyAttribute(parser, "type");
- if (!maybe_type) {
- diag_->Error(DiagMessage(item_source)
- << "<item> within an <overlayable> tag must have a 'type' attribute");
+ Maybe<StringPiece> item_type = xml::FindNonEmptyAttribute(parser, "type");
+ if (!item_type) {
+ diag_->Error(DiagMessage(element_source)
+ << "<item> within an <overlayable> must have a 'type' attribute");
error = true;
continue;
}
- const ResourceType* type = ParseResourceType(maybe_type.value());
+ const ResourceType* type = ParseResourceType(item_type.value());
if (type == nullptr) {
- diag_->Error(DiagMessage(item_source)
- << "invalid resource type '" << maybe_type.value()
+ diag_->Error(DiagMessage(element_source)
+ << "invalid resource type '" << item_type.value()
<< "' in <item> within an <overlayable>");
error = true;
continue;
}
- ParsedResource child_resource;
+ OverlayableItem overlayable_item(overlayable);
+ overlayable_item.policies = current_policies;
+ overlayable_item.comment = comment;
+ overlayable_item.source = element_source;
+
+ ParsedResource child_resource{};
child_resource.name.type = *type;
- child_resource.name.entry = maybe_name.value().to_string();
- child_resource.overlayable = Overlayable{current_policies, item_source, comment};
+ child_resource.name.entry = item_name.value().to_string();
+ child_resource.overlayable_item = overlayable_item;
out_resource->child_resources.push_back(std::move(child_resource));
} else if (element_namespace.empty() && element_name == "policy") {
- if (current_policies != Overlayable::Policy::kNone) {
+ if (current_policies != OverlayableItem::Policy::kNone) {
// If the policy list is not empty, then we are currently inside a policy element
- diag_->Error(DiagMessage(item_source) << "<policy> blocks cannot be recursively nested");
+ diag_->Error(DiagMessage(element_source) << "<policy> blocks cannot be recursively nested");
error = true;
break;
} else if (Maybe<StringPiece> maybe_type = xml::FindNonEmptyAttribute(parser, "type")) {
// Parse the polices separated by vertical bar characters to allow for specifying multiple
- // policies
+ // policies. Items within the policy tag will have the specified policy.
for (StringPiece part : util::Tokenize(maybe_type.value(), '|')) {
StringPiece trimmed_part = util::TrimWhitespace(part);
if (trimmed_part == "public") {
- current_policies |= Overlayable::Policy::kPublic;
+ current_policies |= OverlayableItem::Policy::kPublic;
} else if (trimmed_part == "product") {
- current_policies |= Overlayable::Policy::kProduct;
+ current_policies |= OverlayableItem::Policy::kProduct;
} else if (trimmed_part == "product_services") {
- current_policies |= Overlayable::Policy::kProductServices;
+ current_policies |= OverlayableItem::Policy::kProductServices;
} else if (trimmed_part == "system") {
- current_policies |= Overlayable::Policy::kSystem;
+ current_policies |= OverlayableItem::Policy::kSystem;
} else if (trimmed_part == "vendor") {
- current_policies |= Overlayable::Policy::kVendor;
+ current_policies |= OverlayableItem::Policy::kVendor;
} else {
- diag_->Error(DiagMessage(item_source)
+ diag_->Error(DiagMessage(element_source)
<< "<policy> has unsupported type '" << trimmed_part << "'");
error = true;
continue;
@@ -1152,11 +1179,13 @@ bool ResourceParser::ParseOverlayable(xml::XmlPullParser* parser, ParsedResource
}
}
} else if (!ShouldIgnoreElement(element_namespace, element_name)) {
- diag_->Error(DiagMessage(item_source) << "invalid element <" << element_name << "> "
+ diag_->Error(DiagMessage(element_source) << "invalid element <" << element_name << "> "
<< " in <overlayable>");
error = true;
break;
}
+
+ comment.clear();
}
return !error;
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-03 16:03:25 +0000