1#ifndef _XEXMLWRITER_HPP
2#define _XEXMLWRITER_HPP
3/*-------------------------------------------------------------------------
4 * drawElements Quality Program Test Executor
5 * ------------------------------------------
6 *
7 * Copyright 2014 The Android Open Source Project
8 *
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
12 *
13 *      http://www.apache.org/licenses/LICENSE-2.0
14 *
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 *
21 *//*!
22 * \file
23 * \brief XML Writer.
24 *//*--------------------------------------------------------------------*/
25
26#include "xeDefs.hpp"
27
28#include <ostream>
29#include <vector>
30#include <string>
31#include <streambuf>
32
33namespace xe
34{
35namespace xml
36{
37
38class EscapeStreambuf : public std::streambuf
39{
40public:
41						EscapeStreambuf	(std::ostream& dst) : m_dst(dst) {}
42
43protected:
44	std::streamsize		xsputn			(const char* s, std::streamsize count);
45	int					overflow		(int ch = -1);
46
47private:
48	std::ostream&		m_dst;
49};
50
51class Writer
52{
53public:
54	struct BeginElement
55	{
56		std::string element;
57		BeginElement (const char* element_) : element(element_) {}
58	};
59
60	struct Attribute
61	{
62		std::string name;
63		std::string value;
64		Attribute (const char* name_, const char* value_) : name(name_), value(value_) {}
65		Attribute (const char* name_, const std::string& value_) : name(name_), value(value_) {}
66		Attribute (const std::string& name_, const std::string& value_) : name(name_), value(value_) {}
67	};
68
69	static const struct EndElementType {} EndElement;
70
71								Writer			(std::ostream& dst);
72								~Writer			(void);
73
74	Writer&						operator<<		(const BeginElement& begin);
75	Writer&						operator<<		(const Attribute& attribute);
76	Writer&						operator<<		(const EndElementType& end);
77
78	template <typename T>
79	Writer&						operator<<		(const T& value);	//!< Write data.
80
81private:
82								Writer			(const Writer& other);
83	Writer&						operator=		(const Writer& other);
84
85	enum State
86	{
87		STATE_DATA		= 0,
88		STATE_ELEMENT,
89		STATE_ELEMENT_END,
90
91		STATE_LAST
92	};
93
94	std::ostream&				m_rawDst;
95	EscapeStreambuf				m_dataBuf;
96	std::ostream				m_dataStr;
97	State						m_state;
98	std::vector<std::string>	m_elementStack;
99};
100
101template <typename T>
102Writer& Writer::operator<< (const T& value)
103{
104	if (m_state == STATE_ELEMENT)
105		m_rawDst << ">";
106
107	m_dataStr << value;
108	m_state = STATE_DATA;
109
110	return *this;
111}
112
113} // xml
114} // xe
115
116#endif // _XEXMLWRITER_HPP
117