1 files changed, 83 insertions, 0 deletions
diff --git a/java/annotations.cpp b/java/annotations.cpp
new file mode 100644
index 00000000..fc0c98fa
--- /dev/null
+++ b/java/annotations.cpp
@@ -0,0 +1,83 @@
+#include "classfile.h"
+#include "annotations.h"
+#include <sstream>
+
+namespace java
+{
+	std::string annotation::toString()
+	{
+		std::ostringstream ss;
+		ss << "Annotation type : " << type_index << " - " << pool[type_index].str_data << std::endl;
+		ss << "Contains " << name_val_pairs.size() << " pairs:" << std::endl;
+		for(unsigned i = 0; i < name_val_pairs.size(); i++)
+		{
+			std::pair<uint16_t, element_value *> &val = name_val_pairs[i];
+			auto name_idx = val.first;
+			ss << pool[name_idx].str_data << "(" << name_idx << ")" << " = " << val.second->toString() << std::endl;
+		}
+		return ss.str();
+	}
+
+	annotation * annotation::read (util::membuffer& input, constant_pool& pool)
+	{
+		uint16_t type_index = 0;
+		input.read_be(type_index);
+		annotation * ann = new annotation(type_index,pool);
+		
+		uint16_t num_pairs = 0;
+		input.read_be(num_pairs);
+		while(num_pairs)
+		{
+			uint16_t name_idx = 0;
+			// read name index
+			input.read_be(name_idx);
+			auto elem = element_value::readElementValue(input,pool);
+			// read value
+			ann->add_pair(name_idx, elem);
+			num_pairs --;
+		}
+		return ann;
+	}
+	
+	element_value* element_value::readElementValue ( util::membuffer& input, java::constant_pool& pool )
+	{
+		element_value_type type = INVALID;
+		input.read(type);
+		uint16_t index = 0;
+		uint16_t index2 = 0;
+		std::vector <element_value *> vals;
+		switch (type)
+		{
+		case PRIMITIVE_BYTE:
+		case PRIMITIVE_CHAR:
+		case PRIMITIVE_DOUBLE:
+		case PRIMITIVE_FLOAT:
+		case PRIMITIVE_INT:
+		case PRIMITIVE_LONG:
+		case PRIMITIVE_SHORT:
+		case PRIMITIVE_BOOLEAN:
+		case STRING:
+			input.read_be(index);
+			return new element_value_simple(type, index, pool);
+		case ENUM_CONSTANT:
+			input.read_be(index);
+			input.read_be(index2);
+			return new element_value_enum(type, index, index2, pool);
+		case CLASS: // Class
+			input.read_be(index);
+			return new element_value_class(type, index, pool);
+		case ANNOTATION: // Annotation
+			// FIXME: runtime visibility info needs to be passed from parent
+			return new element_value_annotation(ANNOTATION, annotation::read(input, pool), pool);
+		case ARRAY: // Array
+			input.read_be(index);
+			for (int i = 0; i < index; i++)
+			{
+				vals.push_back(element_value::readElementValue(input, pool));
+			}
+			return new element_value_array(ARRAY, vals, pool);
+		default:
+			throw new java::classfile_exception();
+		}
+	}
+}
+\ No newline at end of file