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author | Petr Mrázek <peterix@gmail.com> | 2016-04-10 15:53:05 +0200 |
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committer | Petr Mrázek <peterix@gmail.com> | 2016-05-01 00:00:14 +0200 |
commit | b6d455a02bd338e9dc0faa09d4d8177ecd8d569a (patch) | |
tree | 41982bca1ede50049f2f8c7109dd18edeefde6d0 /libraries/classparser/src/annotations.cpp | |
parent | 47e37635f50c09b4f9a9ee7699e3120bab3e4088 (diff) | |
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NOISSUE reorganize and document libraries
Diffstat (limited to 'libraries/classparser/src/annotations.cpp')
-rw-r--r-- | libraries/classparser/src/annotations.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
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(); + } +} +}
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