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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_FIELD_H
#define T_FIELD_H
#include <string>
#include <boost/lexical_cast.hpp>
#include "t_doc.h"
// Forward declare for xsd_attrs
class t_struct;
/**
* Class to represent a field in a thrift structure. A field has a data type,
* a symbolic name, and a numeric identifier.
*
*/
class t_field : public t_doc {
public:
t_field(t_type* type, std::string name) :
type_(type),
name_(name),
key_(0),
value_(NULL),
xsd_optional_(false),
xsd_nillable_(false),
xsd_attrs_(NULL) {}
t_field(t_type* type, std::string name, int32_t key) :
type_(type),
name_(name),
key_(key),
req_(T_OPT_IN_REQ_OUT),
value_(NULL),
xsd_optional_(false),
xsd_nillable_(false),
xsd_attrs_(NULL) {}
~t_field() {}
t_type* get_type() const {
return type_;
}
const std::string& get_name() const {
return name_;
}
int32_t get_key() const {
return key_;
}
enum e_req {
T_REQUIRED,
T_OPTIONAL,
T_OPT_IN_REQ_OUT,
};
void set_req(e_req req) {
req_ = req;
}
e_req get_req() const {
return req_;
}
void set_value(t_const_value* value) {
value_ = value;
}
t_const_value* get_value() {
return value_;
}
void set_xsd_optional(bool xsd_optional) {
xsd_optional_ = xsd_optional;
}
bool get_xsd_optional() const {
return xsd_optional_;
}
void set_xsd_nillable(bool xsd_nillable) {
xsd_nillable_ = xsd_nillable;
}
bool get_xsd_nillable() const {
return xsd_nillable_;
}
void set_xsd_attrs(t_struct* xsd_attrs) {
xsd_attrs_ = xsd_attrs;
}
t_struct* get_xsd_attrs() {
return xsd_attrs_;
}
// This is not the same function as t_type::get_fingerprint_material,
// but it does the same thing.
std::string get_fingerprint_material() const {
return boost::lexical_cast<std::string>(key_) + ":" +
((req_ == T_OPTIONAL) ? "opt-" : "") +
type_->get_fingerprint_material();
}
/**
* Comparator to sort fields in ascending order by key.
* Make this a functor instead of a function to help GCC inline it.
* The arguments are (const) references to const pointers to const t_fields.
*/
struct key_compare {
bool operator()(t_field const * const & a, t_field const * const & b) {
return a->get_key() < b->get_key();
}
};
private:
t_type* type_;
std::string name_;
int32_t key_;
e_req req_;
t_const_value* value_;
bool xsd_optional_;
bool xsd_nillable_;
t_struct* xsd_attrs_;
};
#endif
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