From b6d455a02bd338e9dc0faa09d4d8177ecd8d569a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20Mr=C3=A1zek?= <peterix@gmail.com>
Date: Sun, 10 Apr 2016 15:53:05 +0200
Subject: NOISSUE reorganize and document libraries

---
 libraries/classparser/src/annotations.cpp | 85 +++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 libraries/classparser/src/annotations.cpp

(limited to 'libraries/classparser/src/annotations.cpp')

diff --git a/libraries/classparser/src/annotations.cpp b/libraries/classparser/src/annotations.cpp
new file mode 100644
index 00000000..d1a7c046
--- /dev/null
+++ b/libraries/classparser/src/annotations.cpp
@@ -0,0 +1,85 @@
+#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
-- 
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