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/*
* Copyright 2006 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkMemberInfo_DEFINED
#define SkMemberInfo_DEFINED
#if defined SK_BUILD_CONDENSED
#define SK_USE_CONDENSED_INFO 0
#endif
#include "SkDisplayType.h"
#include "SkScript.h"
#include "SkString.h"
#include "SkIntArray.h"
class SkAnimateMaker;
class SkDisplayable;
class SkScriptEngine;
// temporary hacks until name change is more complete
#define SkFloat SkScalar
#define SkInt SkS32
struct SkMemberInfo {
//!!! alternative:
// if fCount == 0, record is member property
// then fType can be type, so caller doesn't have to check
#if SK_USE_CONDENSED_INFO == 0
const char* fName; // may be NULL for anonymous functions
size_t fOffset; // if negative, is index into member pointer table (for properties and functions)
SkDisplayTypes fType;
int fCount; // for properties, actual type (count is always assumed to be 1)
#else
unsigned char fName;
signed char fOffset;
unsigned char fType;
signed char fCount;
#endif
SkDisplayTypes arrayType() const {
SkASSERT(fType == SkType_Array);
return (SkDisplayTypes) fCount; // hack, but worth it?
}
int functionIndex() const {
SkASSERT(fType == SkType_MemberFunction);
return (signed) fOffset > 0 ? -1 + (int) fOffset : -1 - (int) fOffset;
}
bool getArrayValue(const SkDisplayable* displayable, int index, SkOperand* value) const;
int getCount() const {
return fType == SkType_MemberProperty || fType == SkType_Array ||
fType == SkType_MemberFunction ? 1 : fCount;
}
const SkMemberInfo* getInherited() const;
size_t getSize(const SkDisplayable* ) const;
void getString(const SkDisplayable* , SkString** string) const;
SkDisplayTypes getType() const {
return fType == SkType_MemberProperty || fType == SkType_Array ||
fType == SkType_MemberFunction ? (SkDisplayTypes) fCount : (SkDisplayTypes) fType;
}
void getValue(const SkDisplayable* , SkOperand values[], int count) const;
bool isEnum() const;
const char* mapEnums(const char* match, int* value) const;
void* memberData(const SkDisplayable* displayable) const {
SkASSERT(fType != SkType_MemberProperty && fType != SkType_MemberFunction);
return (void*) ((const char*) displayable + fOffset);
}
int propertyIndex() const {
SkASSERT(fType == SkType_MemberProperty);
return (signed) fOffset > 0 ? -1 + (int) fOffset : -1 - (int) fOffset;
}
SkDisplayTypes propertyType() const {
SkASSERT(fType == SkType_MemberProperty || fType == SkType_Array);
return (SkDisplayTypes) fCount; // hack, but worth it?
}
void setMemberData(SkDisplayable* displayable, const void* child, size_t size) const {
SkASSERT(fType != SkType_MemberProperty && fType != SkType_MemberFunction);
memcpy((char*) displayable + fOffset, child, size);
}
void setString(SkDisplayable* , SkString* ) const;
void setValue(SkDisplayable* , const SkOperand values[], int count) const;
bool setValue(SkAnimateMaker& , SkTDOperandArray* storage,
int storageOffset, int maxStorage, SkDisplayable* ,
SkDisplayTypes outType, const char value[], size_t len) const;
bool setValue(SkAnimateMaker& , SkTDOperandArray* storage,
int storageOffset, int maxStorage, SkDisplayable* ,
SkDisplayTypes outType, SkString& str) const;
// void setValue(SkDisplayable* , const char value[], const char name[]) const;
bool writeValue(SkDisplayable* displayable, SkTDOperandArray* arrayStorage,
int storageOffset, int maxStorage, void* untypedStorage, SkDisplayTypes outType,
SkScriptValue& scriptValue) const;
#if SK_USE_CONDENSED_INFO == 0
static const SkMemberInfo* Find(const SkMemberInfo [], int count, int* index);
static const SkMemberInfo* Find(const SkMemberInfo [], int count, const char** name);
#else
static const SkMemberInfo* Find(SkDisplayTypes type, int* index);
static const SkMemberInfo* Find(SkDisplayTypes type, const char** name);
#endif
static size_t GetSize(SkDisplayTypes type); // size of simple types only
// static bool SetValue(void* value, const char* name, SkDisplayTypes , int count);
};
#define SK_MEMBER(_member, _type) \
{ #_member, SK_OFFSETOF(BASE_CLASS, _member), SkType_##_type, \
sizeof(((BASE_CLASS*) 1)->_member) / sizeof(SkScalar) }
#define SK_MEMBER_ALIAS(_member, _alias, _type) \
{ #_member, SK_OFFSETOF(BASE_CLASS, _alias), SkType_##_type, \
sizeof(((BASE_CLASS*) 1)->_alias) / sizeof(SkScalar) }
#define SK_MEMBER_ARRAY(_member, _type) \
{ #_member, SK_OFFSETOF(BASE_CLASS, _member), SkType_Array, \
(int) SkType_##_type }
#define SK_MEMBER_INHERITED \
{ (const char*) INHERITED::fInfo, 0, SkType_BaseClassInfo, INHERITED::fInfoCount }
// #define SK_MEMBER_KEY_TYPE(_member, _type)
// {#_member, (size_t) -1, SkType_##_type, 0}
#define SK_FUNCTION(_member) \
k_##_member##Function
#define SK_PROPERTY(_member) \
k_##_member##Property
#define SK_MEMBER_DYNAMIC_FUNCTION(_member, _type) \
{#_member, (size_t) (+1 + SK_FUNCTION(_member)), SkType_MemberFunction, \
(int) SkType_##_type }
#define SK_MEMBER_DYNAMIC_PROPERTY(_member, _type) \
{#_member, (size_t) (1 + SK_PROPERTY(_member)), SkType_MemberProperty, \
(int) SkType_##_type }
#define SK_MEMBER_FUNCTION(_member, _type) \
{#_member, (size_t) (-1 - SK_FUNCTION(_member)), SkType_MemberFunction, \
(int) SkType_##_type }
#define SK_MEMBER_PROPERTY(_member, _type) \
{#_member, (size_t) (-1 - SK_PROPERTY(_member)), SkType_MemberProperty, \
(int) SkType_##_type }
#if SK_USE_CONDENSED_INFO == 0
#define DECLARE_PRIVATE_MEMBER_INFO(_type) \
public: \
static const SkMemberInfo fInfo[]; \
static const int fInfoCount; \
virtual const SkMemberInfo* getMember(int index); \
virtual const SkMemberInfo* getMember(const char name[]); \
typedef Sk##_type BASE_CLASS
#define DECLARE_MEMBER_INFO(_type) \
public: \
static const SkMemberInfo fInfo[]; \
static const int fInfoCount; \
virtual const SkMemberInfo* getMember(int index); \
virtual const SkMemberInfo* getMember(const char name[]); \
virtual SkDisplayTypes getType() const { return SkType_##_type; } \
typedef Sk##_type BASE_CLASS
#define DECLARE_DRAW_MEMBER_INFO(_type) \
public: \
static const SkMemberInfo fInfo[]; \
static const int fInfoCount; \
virtual const SkMemberInfo* getMember(int index); \
virtual const SkMemberInfo* getMember(const char name[]); \
virtual SkDisplayTypes getType() const { return SkType_##_type; } \
typedef SkDraw##_type BASE_CLASS
#define DECLARE_DISPLAY_MEMBER_INFO(_type) \
public: \
static const SkMemberInfo fInfo[]; \
static const int fInfoCount; \
virtual const SkMemberInfo* getMember(int index); \
virtual const SkMemberInfo* getMember(const char name[]); \
virtual SkDisplayTypes getType() const { return SkType_##_type; } \
typedef SkDisplay##_type BASE_CLASS
#define DECLARE_EMPTY_MEMBER_INFO(_type) \
public: \
virtual SkDisplayTypes getType() const { return SkType_##_type; }
#define DECLARE_EXTRAS_MEMBER_INFO(_type) \
public: \
static const SkMemberInfo fInfo[]; \
static const int fInfoCount; \
virtual const SkMemberInfo* getMember(int index); \
virtual const SkMemberInfo* getMember(const char name[]); \
SkDisplayTypes fType; \
virtual SkDisplayTypes getType() const { return fType; } \
typedef _type BASE_CLASS
#define DECLARE_NO_VIRTUALS_MEMBER_INFO(_type) \
public: \
static const SkMemberInfo fInfo[]; \
static const int fInfoCount; \
typedef Sk##_type BASE_CLASS
#define DEFINE_GET_MEMBER(_class) \
const SkMemberInfo* _class::getMember(int index) { \
const SkMemberInfo* result = SkMemberInfo::Find(fInfo, SK_ARRAY_COUNT(fInfo), &index); \
return result; \
} \
const SkMemberInfo* _class::getMember(const char name[]) { \
const SkMemberInfo* result = SkMemberInfo::Find(fInfo, SK_ARRAY_COUNT(fInfo), &name); \
return result; \
} \
const int _class::fInfoCount = SK_ARRAY_COUNT(fInfo)
#define DEFINE_NO_VIRTUALS_GET_MEMBER(_class) \
const int _class::fInfoCount = SK_ARRAY_COUNT(fInfo)
#else
#define DECLARE_PRIVATE_MEMBER_INFO(_type) \
public: \
typedef Sk##_type BASE_CLASS
#define DECLARE_MEMBER_INFO(_type) \
public: \
virtual const SkMemberInfo* getMember(int index) { \
return SkDisplayType::GetMember(NULL, SkType_##_type, &index); } \
virtual const SkMemberInfo* getMember(const char name[]) { \
return SkDisplayType::GetMember(NULL, SkType_##_type, &name); } \
virtual SkDisplayTypes getType() const { return SkType_##_type; } \
typedef Sk##_type BASE_CLASS
#define DECLARE_DRAW_MEMBER_INFO(_type) \
public: \
virtual const SkMemberInfo* getMember(int index) { \
return SkDisplayType::GetMember(NULL, SkType_##_type, &index); } \
virtual const SkMemberInfo* getMember(const char name[]) { \
return SkDisplayType::GetMember(NULL, SkType_##_type, &name); } \
virtual SkDisplayTypes getType() const { return SkType_##_type; } \
typedef SkDraw##_type BASE_CLASS
#define DECLARE_DISPLAY_MEMBER_INFO(_type) \
public: \
virtual const SkMemberInfo* getMember(int index) { \
return SkDisplayType::GetMember(NULL, SkType_##_type, &index); } \
virtual const SkMemberInfo* getMember(const char name[]) { \
return SkDisplayType::GetMember(NULL, SkType_##_type, &name); } \
virtual SkDisplayTypes getType() const { return SkType_##_type; } \
typedef SkDisplay##_type BASE_CLASS
#define DECLARE_EXTRAS_MEMBER_INFO(_type) \
public: \
virtual const SkMemberInfo* getMember(int index) { \
return SkDisplayType::GetMember(NULL, SkType_##_type, &index); } \
virtual const SkMemberInfo* getMember(const char name[]) { \
return SkDisplayType::GetMember(NULL, fType, &name); } \
SkDisplayTypes fType; \
virtual SkDisplayTypes getType() const { return fType; } \
typedef _type BASE_CLASS
#define DECLARE_NO_VIRTUALS_MEMBER_INFO(_type) \
public: \
typedef Sk##_type BASE_CLASS
#define DEFINE_GET_MEMBER(_class)
#define DEFINE_NO_VIRTUALS_GET_MEMBER(_class)
#endif
#endif // SkMemberInfo_DEFINED