1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/*
* Copyright (C) 2006 The Android Open Source Project
*
* Licensed 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 SkDOM_DEFINED
#define SkDOM_DEFINED
#include "SkChunkAlloc.h"
#include "SkMath.h"
#include "SkScalar.h"
#include "SkTemplates.h"
struct SkDOMNode;
struct SkDOMAttr;
class SkDOM {
public:
SkDOM();
~SkDOM();
typedef SkDOMNode Node;
typedef SkDOMAttr Attr;
/** Returns null on failure
*/
const Node* build(const char doc[], size_t len);
const Node* copy(const SkDOM& dom, const Node* node);
const Node* getRootNode() const;
enum Type {
kElement_Type,
kText_Type
};
Type getType(const Node*) const;
const char* getName(const Node*) const;
const Node* getFirstChild(const Node*, const char elem[] = NULL) const;
const Node* getNextSibling(const Node*, const char elem[] = NULL) const;
const char* findAttr(const Node*, const char attrName[]) const;
const Attr* getFirstAttr(const Node*) const;
const Attr* getNextAttr(const Node*, const Attr*) const;
const char* getAttrName(const Node*, const Attr*) const;
const char* getAttrValue(const Node*, const Attr*) const;
// helpers for walking children
int countChildren(const Node* node, const char elem[] = NULL) const;
// helpers for calling SkParse
bool findS32(const Node*, const char name[], int32_t* value) const;
bool findScalars(const Node*, const char name[], SkScalar value[], int count) const;
bool findHex(const Node*, const char name[], uint32_t* value) const;
bool findBool(const Node*, const char name[], bool*) const;
int findList(const Node*, const char name[], const char list[]) const;
bool findScalar(const Node* node, const char name[], SkScalar value[]) const
{
return this->findScalars(node, name, value, 1);
}
bool hasAttr(const Node*, const char name[], const char value[]) const;
bool hasS32(const Node*, const char name[], int32_t value) const;
bool hasScalar(const Node*, const char name[], SkScalar value) const;
bool hasHex(const Node*, const char name[], uint32_t value) const;
bool hasBool(const Node*, const char name[], bool value) const;
class AttrIter {
public:
AttrIter(const class SkDOM&, const Node*);
const char* next(const char** value);
private:
const Attr* fAttr;
const Attr* fStop;
};
SkDEBUGCODE(void dump(const Node* node = NULL, int tabLevel = 0) const;)
SkDEBUGCODE(static void UnitTest();)
private:
SkChunkAlloc fAlloc;
Node* fRoot;
friend class AttrIter;
friend class SkDOMParser;
};
#endif
|
