blob: a1b194118a4d13f3d7ca6d831b2e04811799c33e [file] [log] [blame]
epoger@google.comec3ed6a2011-07-28 14:26:00 +00001
2/*
3 * Copyright 2006 The Android Open Source Project
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
reed@android.com8a1c16f2008-12-17 15:59:43 +00009
10#ifndef SkMemberInfo_DEFINED
11#define SkMemberInfo_DEFINED
12
13#if defined SK_BUILD_CONDENSED
14 #define SK_USE_CONDENSED_INFO 0
reed@android.com8a1c16f2008-12-17 15:59:43 +000015#endif
16
17#include "SkDisplayType.h"
18#include "SkScript.h"
19#include "SkString.h"
20#include "SkIntArray.h"
21
22class SkAnimateMaker;
23class SkDisplayable;
24class SkScriptEngine;
25
26// temporary hacks until name change is more complete
27#define SkFloat SkScalar
28#define SkInt SkS32
29
30struct SkMemberInfo {
31 //!!! alternative:
32 // if fCount == 0, record is member property
33 // then fType can be type, so caller doesn't have to check
34#if SK_USE_CONDENSED_INFO == 0
35 const char* fName; // may be NULL for anonymous functions
36 size_t fOffset; // if negative, is index into member pointer table (for properties and functions)
37 SkDisplayTypes fType;
38 int fCount; // for properties, actual type (count is always assumed to be 1)
39#else
40 unsigned char fName;
41 signed char fOffset;
42 unsigned char fType;
43 signed char fCount;
44#endif
45 SkDisplayTypes arrayType() const {
46 SkASSERT(fType == SkType_Array);
47 return (SkDisplayTypes) fCount; // hack, but worth it?
48 }
49 int functionIndex() const {
50 SkASSERT(fType == SkType_MemberFunction);
51 return (signed) fOffset > 0 ? -1 + (int) fOffset : -1 - (int) fOffset;
52 }
53 bool getArrayValue(const SkDisplayable* displayable, int index, SkOperand* value) const;
54 int getCount() const {
55 return fType == SkType_MemberProperty || fType == SkType_Array ||
56 fType == SkType_MemberFunction ? 1 : fCount;
57 }
58 const SkMemberInfo* getInherited() const;
59 size_t getSize(const SkDisplayable* ) const;
60 void getString(const SkDisplayable* , SkString** string) const;
61 SkDisplayTypes getType() const {
62 return fType == SkType_MemberProperty || fType == SkType_Array ||
63 fType == SkType_MemberFunction ? (SkDisplayTypes) fCount : (SkDisplayTypes) fType;
64 }
65 void getValue(const SkDisplayable* , SkOperand values[], int count) const;
66 bool isEnum() const;
67 const char* mapEnums(const char* match, int* value) const;
68 void* memberData(const SkDisplayable* displayable) const {
69 SkASSERT(fType != SkType_MemberProperty && fType != SkType_MemberFunction);
70 return (void*) ((const char*) displayable + fOffset);
71 }
72 int propertyIndex() const {
73 SkASSERT(fType == SkType_MemberProperty);
74 return (signed) fOffset > 0 ? -1 + (int) fOffset : -1 - (int) fOffset;
75 }
76 SkDisplayTypes propertyType() const {
77 SkASSERT(fType == SkType_MemberProperty || fType == SkType_Array);
78 return (SkDisplayTypes) fCount; // hack, but worth it?
79 }
80 void setMemberData(SkDisplayable* displayable, const void* child, size_t size) const {
81 SkASSERT(fType != SkType_MemberProperty && fType != SkType_MemberFunction);
82 memcpy((char*) displayable + fOffset, child, size);
83 }
84 void setString(SkDisplayable* , SkString* ) const;
85 void setValue(SkDisplayable* , const SkOperand values[], int count) const;
rmistry@google.comd6176b02012-08-23 18:14:13 +000086 bool setValue(SkAnimateMaker& , SkTDOperandArray* storage,
87 int storageOffset, int maxStorage, SkDisplayable* ,
reed@android.com8a1c16f2008-12-17 15:59:43 +000088 SkDisplayTypes outType, const char value[], size_t len) const;
rmistry@google.comd6176b02012-08-23 18:14:13 +000089 bool setValue(SkAnimateMaker& , SkTDOperandArray* storage,
90 int storageOffset, int maxStorage, SkDisplayable* ,
reed@android.com8a1c16f2008-12-17 15:59:43 +000091 SkDisplayTypes outType, SkString& str) const;
92// void setValue(SkDisplayable* , const char value[], const char name[]) const;
rmistry@google.comd6176b02012-08-23 18:14:13 +000093 bool writeValue(SkDisplayable* displayable, SkTDOperandArray* arrayStorage,
94 int storageOffset, int maxStorage, void* untypedStorage, SkDisplayTypes outType,
reed@android.com8a1c16f2008-12-17 15:59:43 +000095 SkScriptValue& scriptValue) const;
96#if SK_USE_CONDENSED_INFO == 0
97 static const SkMemberInfo* Find(const SkMemberInfo [], int count, int* index);
98 static const SkMemberInfo* Find(const SkMemberInfo [], int count, const char** name);
99#else
100 static const SkMemberInfo* Find(SkDisplayTypes type, int* index);
101 static const SkMemberInfo* Find(SkDisplayTypes type, const char** name);
102#endif
103 static size_t GetSize(SkDisplayTypes type); // size of simple types only
104// static bool SetValue(void* value, const char* name, SkDisplayTypes , int count);
105};
106
107#define SK_MEMBER(_member, _type) \
108 { #_member, SK_OFFSETOF(BASE_CLASS, _member), SkType_##_type, \
109 sizeof(((BASE_CLASS*) 1)->_member) / sizeof(SkScalar) }
110
111#define SK_MEMBER_ALIAS(_member, _alias, _type) \
112 { #_member, SK_OFFSETOF(BASE_CLASS, _alias), SkType_##_type, \
113 sizeof(((BASE_CLASS*) 1)->_alias) / sizeof(SkScalar) }
114
115#define SK_MEMBER_ARRAY(_member, _type) \
116 { #_member, SK_OFFSETOF(BASE_CLASS, _member), SkType_Array, \
117 (int) SkType_##_type }
118
119#define SK_MEMBER_INHERITED \
120 { (const char*) INHERITED::fInfo, 0, SkType_BaseClassInfo, INHERITED::fInfoCount }
121
rmistry@google.comd6176b02012-08-23 18:14:13 +0000122// #define SK_MEMBER_KEY_TYPE(_member, _type)
reed@android.com8a1c16f2008-12-17 15:59:43 +0000123// {#_member, (size_t) -1, SkType_##_type, 0}
124
125#define SK_FUNCTION(_member) \
126 k_##_member##Function
127
128#define SK_PROPERTY(_member) \
129 k_##_member##Property
130
131#define SK_MEMBER_DYNAMIC_FUNCTION(_member, _type) \
132 {#_member, (size_t) (+1 + SK_FUNCTION(_member)), SkType_MemberFunction, \
133 (int) SkType_##_type }
134
135#define SK_MEMBER_DYNAMIC_PROPERTY(_member, _type) \
136 {#_member, (size_t) (1 + SK_PROPERTY(_member)), SkType_MemberProperty, \
137 (int) SkType_##_type }
138
139#define SK_MEMBER_FUNCTION(_member, _type) \
140 {#_member, (size_t) (-1 - SK_FUNCTION(_member)), SkType_MemberFunction, \
141 (int) SkType_##_type }
142
143#define SK_MEMBER_PROPERTY(_member, _type) \
144 {#_member, (size_t) (-1 - SK_PROPERTY(_member)), SkType_MemberProperty, \
145 (int) SkType_##_type }
146
147#if SK_USE_CONDENSED_INFO == 0
148
149#define DECLARE_PRIVATE_MEMBER_INFO(_type) \
150public: \
151 static const SkMemberInfo fInfo[]; \
152 static const int fInfoCount; \
153 virtual const SkMemberInfo* getMember(int index); \
154 virtual const SkMemberInfo* getMember(const char name[]); \
155 typedef Sk##_type BASE_CLASS
156
157#define DECLARE_MEMBER_INFO(_type) \
158public: \
159 static const SkMemberInfo fInfo[]; \
160 static const int fInfoCount; \
161 virtual const SkMemberInfo* getMember(int index); \
162 virtual const SkMemberInfo* getMember(const char name[]); \
163 virtual SkDisplayTypes getType() const { return SkType_##_type; } \
164 typedef Sk##_type BASE_CLASS
165
166#define DECLARE_DRAW_MEMBER_INFO(_type) \
167public: \
168 static const SkMemberInfo fInfo[]; \
169 static const int fInfoCount; \
170 virtual const SkMemberInfo* getMember(int index); \
171 virtual const SkMemberInfo* getMember(const char name[]); \
172 virtual SkDisplayTypes getType() const { return SkType_##_type; } \
173 typedef SkDraw##_type BASE_CLASS
174
175#define DECLARE_DISPLAY_MEMBER_INFO(_type) \
176public: \
177 static const SkMemberInfo fInfo[]; \
178 static const int fInfoCount; \
179 virtual const SkMemberInfo* getMember(int index); \
180 virtual const SkMemberInfo* getMember(const char name[]); \
181 virtual SkDisplayTypes getType() const { return SkType_##_type; } \
182 typedef SkDisplay##_type BASE_CLASS
183
184#define DECLARE_EMPTY_MEMBER_INFO(_type) \
185public: \
186 virtual SkDisplayTypes getType() const { return SkType_##_type; }
rmistry@google.comd6176b02012-08-23 18:14:13 +0000187
reed@android.com8a1c16f2008-12-17 15:59:43 +0000188#define DECLARE_EXTRAS_MEMBER_INFO(_type) \
189public: \
190 static const SkMemberInfo fInfo[]; \
191 static const int fInfoCount; \
192 virtual const SkMemberInfo* getMember(int index); \
193 virtual const SkMemberInfo* getMember(const char name[]); \
194 SkDisplayTypes fType; \
195 virtual SkDisplayTypes getType() const { return fType; } \
196 typedef _type BASE_CLASS
197
198#define DECLARE_NO_VIRTUALS_MEMBER_INFO(_type) \
199public: \
200 static const SkMemberInfo fInfo[]; \
201 static const int fInfoCount; \
202 typedef Sk##_type BASE_CLASS
203
204#define DEFINE_GET_MEMBER(_class) \
205 const SkMemberInfo* _class::getMember(int index) { \
206 const SkMemberInfo* result = SkMemberInfo::Find(fInfo, SK_ARRAY_COUNT(fInfo), &index); \
207 return result; \
208 } \
209 const SkMemberInfo* _class::getMember(const char name[]) { \
210 const SkMemberInfo* result = SkMemberInfo::Find(fInfo, SK_ARRAY_COUNT(fInfo), &name); \
211 return result; \
212 } \
213 const int _class::fInfoCount = SK_ARRAY_COUNT(fInfo)
214
215#define DEFINE_NO_VIRTUALS_GET_MEMBER(_class) \
216 const int _class::fInfoCount = SK_ARRAY_COUNT(fInfo)
217
218#else
219
220#define DECLARE_PRIVATE_MEMBER_INFO(_type) \
221public: \
222 typedef Sk##_type BASE_CLASS
223
224#define DECLARE_MEMBER_INFO(_type) \
225public: \
226 virtual const SkMemberInfo* getMember(int index) { \
227 return SkDisplayType::GetMember(NULL, SkType_##_type, &index); } \
228 virtual const SkMemberInfo* getMember(const char name[]) { \
229 return SkDisplayType::GetMember(NULL, SkType_##_type, &name); } \
230 virtual SkDisplayTypes getType() const { return SkType_##_type; } \
231 typedef Sk##_type BASE_CLASS
232
233#define DECLARE_DRAW_MEMBER_INFO(_type) \
234public: \
235 virtual const SkMemberInfo* getMember(int index) { \
236 return SkDisplayType::GetMember(NULL, SkType_##_type, &index); } \
237 virtual const SkMemberInfo* getMember(const char name[]) { \
238 return SkDisplayType::GetMember(NULL, SkType_##_type, &name); } \
239 virtual SkDisplayTypes getType() const { return SkType_##_type; } \
240 typedef SkDraw##_type BASE_CLASS
241
242#define DECLARE_DISPLAY_MEMBER_INFO(_type) \
243public: \
244 virtual const SkMemberInfo* getMember(int index) { \
245 return SkDisplayType::GetMember(NULL, SkType_##_type, &index); } \
246 virtual const SkMemberInfo* getMember(const char name[]) { \
247 return SkDisplayType::GetMember(NULL, SkType_##_type, &name); } \
248 virtual SkDisplayTypes getType() const { return SkType_##_type; } \
249 typedef SkDisplay##_type BASE_CLASS
250
251#define DECLARE_EXTRAS_MEMBER_INFO(_type) \
252public: \
253 virtual const SkMemberInfo* getMember(int index) { \
254 return SkDisplayType::GetMember(NULL, SkType_##_type, &index); } \
255 virtual const SkMemberInfo* getMember(const char name[]) { \
256 return SkDisplayType::GetMember(NULL, fType, &name); } \
257 SkDisplayTypes fType; \
258 virtual SkDisplayTypes getType() const { return fType; } \
259 typedef _type BASE_CLASS
260
261#define DECLARE_NO_VIRTUALS_MEMBER_INFO(_type) \
262public: \
263 typedef Sk##_type BASE_CLASS
264
265#define DEFINE_GET_MEMBER(_class)
266#define DEFINE_NO_VIRTUALS_GET_MEMBER(_class)
267
268#endif
269
270#endif // SkMemberInfo_DEFINED