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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
#ifndef T_TYPE_H
#define T_TYPE_H
#include <string>
#include <map>
#include <cstring>
#include <stdint.h>
#include "thrift/parse/t_doc.h"
class t_program;
/**
* Generic representation of a thrift type. These objects are used by the
* parser module to build up a tree of object that are all explicitly typed.
* The generic t_type class exports a variety of useful methods that are
* used by the code generator to branch based upon different handling for the
* various types.
*
*/
class t_type : public t_doc {
public:
~t_type() override = default;
virtual void set_name(const std::string& name) { name_ = name; }
virtual const std::string& get_name() const { return name_; }
virtual bool is_void() const { return false; }
virtual bool is_base_type() const { return false; }
virtual bool is_string() const { return false; }
virtual bool is_uuid() const { return false; }
virtual bool is_binary() const { return false; }
virtual bool is_bool() const { return false; }
virtual bool is_typedef() const { return false; }
virtual bool is_enum() const { return false; }
virtual bool is_struct() const { return false; }
virtual bool is_xception() const { return false; }
virtual bool is_container() const { return false; }
virtual bool is_list() const { return false; }
virtual bool is_set() const { return false; }
virtual bool is_map() const { return false; }
virtual bool is_service() const { return false; }
t_program* get_program() { return program_; }
const t_program* get_program() const { return program_; }
t_type* get_true_type();
const t_type* get_true_type() const;
// This function will break (maybe badly) unless 0 <= num <= 16.
static char nybble_to_xdigit(int num) {
if (num < 10) {
return '0' + num;
} else {
return 'A' + num - 10;
}
}
static std::string byte_to_hex(uint8_t byte) {
std::string rv;
rv += nybble_to_xdigit(byte >> 4);
rv += nybble_to_xdigit(byte & 0x0f);
return rv;
}
std::map<std::string, std::string> annotations_;
protected:
t_type() : program_(nullptr) { ; }
t_type(t_program* program) : program_(program) { ; }
t_type(t_program* program, std::string name) : program_(program), name_(name) { ; }
t_type(std::string name) : program_(nullptr), name_(name) { ; }
t_program* program_;
std::string name_;
};
/**
* Placeholder struct for returning the key and value of an annotation
* during parsing.
*/
struct t_annotation {
std::string key;
std::string val;
};
#endif
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