139 lines
5.7 KiB
C
139 lines
5.7 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file dcSimpleParameter.h
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* @author drose
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* @date 2004-06-15
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*/
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#ifndef DCSIMPLEPARAMETER_H
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#define DCSIMPLEPARAMETER_H
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#include "dcbase.h"
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#include "dcParameter.h"
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#include "dcSubatomicType.h"
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#include "dcNumericRange.h"
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/**
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* This is the most fundamental kind of parameter type: a single number or
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* string, one of the DCSubatomicType elements. It may also optionally have a
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* divisor, which is meaningful only for the numeric type elements (and
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* represents a fixed-point numeric convention).
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*/
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class EXPCL_DIRECT_DCPARSER DCSimpleParameter : public DCParameter {
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public:
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DCSimpleParameter(DCSubatomicType type, unsigned int divisor = 1);
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DCSimpleParameter(const DCSimpleParameter ©);
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PUBLISHED:
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virtual DCSimpleParameter *as_simple_parameter();
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virtual const DCSimpleParameter *as_simple_parameter() const;
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virtual DCParameter *make_copy() const;
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virtual bool is_valid() const;
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DCSubatomicType get_type() const;
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bool has_modulus() const;
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double get_modulus() const;
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int get_divisor() const;
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public:
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bool is_numeric_type() const;
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bool set_modulus(double modulus);
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bool set_divisor(unsigned int divisor);
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bool set_range(const DCDoubleRange &range);
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virtual int calc_num_nested_fields(size_t length_bytes) const;
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virtual DCPackerInterface *get_nested_field(int n) const;
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virtual void pack_double(DCPackData &pack_data, double value,
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bool &pack_error, bool &range_error) const;
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virtual void pack_int(DCPackData &pack_data, int value,
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bool &pack_error, bool &range_error) const;
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virtual void pack_uint(DCPackData &pack_data, unsigned int value,
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bool &pack_error, bool &range_error) const;
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virtual void pack_int64(DCPackData &pack_data, int64_t value,
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bool &pack_error, bool &range_error) const;
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virtual void pack_uint64(DCPackData &pack_data, uint64_t value,
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bool &pack_error, bool &range_error) const;
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virtual void pack_string(DCPackData &pack_data, const std::string &value,
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bool &pack_error, bool &range_error) const;
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virtual void pack_blob(DCPackData &pack_data, const vector_uchar &value,
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bool &pack_error, bool &range_error) const;
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virtual bool pack_default_value(DCPackData &pack_data, bool &pack_error) const;
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virtual void unpack_double(const char *data, size_t length, size_t &p,
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double &value, bool &pack_error, bool &range_error) const;
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virtual void unpack_int(const char *data, size_t length, size_t &p,
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int &value, bool &pack_error, bool &range_error) const;
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virtual void unpack_uint(const char *data, size_t length, size_t &p,
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unsigned int &value, bool &pack_error, bool &range_error) const;
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virtual void unpack_int64(const char *data, size_t length, size_t &p,
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int64_t &value, bool &pack_error, bool &range_error) const;
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virtual void unpack_uint64(const char *data, size_t length, size_t &p,
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uint64_t &value, bool &pack_error, bool &range_error) const;
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virtual void unpack_string(const char *data, size_t length, size_t &p,
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std::string &value, bool &pack_error, bool &range_error) const;
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virtual void unpack_blob(const char *data, size_t length, size_t &p,
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vector_uchar &value, bool &pack_error, bool &range_error) const;
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virtual bool unpack_validate(const char *data, size_t length, size_t &p,
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bool &pack_error, bool &range_error) const;
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virtual bool unpack_skip(const char *data, size_t length, size_t &p,
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bool &pack_error) const;
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virtual void output_instance(std::ostream &out, bool brief, const std::string &prename,
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const std::string &name, const std::string &postname) const;
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virtual void generate_hash(HashGenerator &hashgen) const;
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protected:
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virtual bool do_check_match(const DCPackerInterface *other) const;
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virtual bool do_check_match_simple_parameter(const DCSimpleParameter *other) const;
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virtual bool do_check_match_array_parameter(const DCArrayParameter *other) const;
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private:
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static DCSimpleParameter *create_nested_field(DCSubatomicType type,
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unsigned int divisor);
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static DCPackerInterface *create_uint32uint8_type();
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private:
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DCSubatomicType _type;
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unsigned int _divisor;
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DCSubatomicType _nested_type;
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DCPackerInterface *_nested_field;
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size_t _bytes_per_element;
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// The rest of this is to maintain the static list of DCPackerInterface
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// objects for _nested_field, above. We allocate each possible object once,
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// and don't delete it.
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typedef pmap<unsigned int, DCSimpleParameter *> DivisorMap;
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typedef pmap<DCSubatomicType, DivisorMap> NestedFieldMap;
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static NestedFieldMap _nested_field_map;
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// These are the range and modulus values as specified by the user, unscaled
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// by the divisor.
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DCDoubleRange _orig_range;
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bool _has_modulus;
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double _orig_modulus;
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// Only the range appropriate to this type will be filled in.
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DCIntRange _int_range;
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DCUnsignedIntRange _uint_range;
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DCInt64Range _int64_range;
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DCUnsignedInt64Range _uint64_range;
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DCDoubleRange _double_range;
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// All of these modulus values will be filled in, regardless of the type.
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unsigned int _uint_modulus;
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uint64_t _uint64_modulus;
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double _double_modulus;
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static DCClassParameter *_uint32uint8_type;
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};
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#endif
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