aboutsummaryrefslogtreecommitdiff
path: root/vmime-master/src/vmime/stringContentHandler.cpp
blob: f7fadf7b96491dcbdc3d7f8e7db355c7a0a7889d (plain)
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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
//
// VMime library (http://www.vmime.org)
// Copyright (C) 2002 Vincent Richard <vincent@vmime.org>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 3 of
// the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// Linking this library statically or dynamically with other modules is making
// a combined work based on this library.  Thus, the terms and conditions of
// the GNU General Public License cover the whole combination.
//

#include "vmime/stringContentHandler.hpp"

#include "vmime/utility/inputStreamStringAdapter.hpp"
#include "vmime/utility/outputStreamAdapter.hpp"
#include "vmime/utility/streamUtils.hpp"


namespace vmime {


stringContentHandler::stringContentHandler() {

}


stringContentHandler::stringContentHandler(
	const string& buffer,
	const vmime::encoding& enc
)
	: m_encoding(enc),
	  m_string(buffer) {

}


stringContentHandler::stringContentHandler(
	const stringContentHandler& cts
)
	: contentHandler(),
	  m_contentType(cts.m_contentType),
	  m_encoding(cts.m_encoding),
	  m_string(cts.m_string) {

}


stringContentHandler::~stringContentHandler() {

}


shared_ptr <contentHandler> stringContentHandler::clone() const {

	return make_shared <stringContentHandler>(*this);
}


stringContentHandler& stringContentHandler::operator=(const stringContentHandler& cts) {

	m_contentType = cts.m_contentType;
	m_encoding = cts.m_encoding;
	m_string = cts.m_string;

	return *this;
}


void stringContentHandler::setData(const string& buffer, const vmime::encoding& enc) {

	m_encoding = enc;
	m_string = buffer;
}


stringContentHandler& stringContentHandler::operator=(const string& buffer) {

	setData(buffer, NO_ENCODING);
	return *this;
}


void stringContentHandler::generate(
	utility::outputStream& os,
	const vmime::encoding& enc,
	const size_t maxLineLength
) const {

	// Managed data is already encoded
	if (isEncoded()) {

		// The data is already encoded but the encoding specified for
		// the generation is different from the current one. We need
		// to re-encode data: decode from input buffer to temporary
		// buffer, and then re-encode to output stream...
		if (m_encoding != enc) {

			shared_ptr <utility::encoder::encoder> theDecoder = m_encoding.getEncoder();
			shared_ptr <utility::encoder::encoder> theEncoder = enc.getEncoder();

			theEncoder->getProperties()["maxlinelength"] = maxLineLength;
			theEncoder->getProperties()["text"] = (m_contentType.getType() == mediaTypes::TEXT);

			utility::inputStreamStringAdapter in(m_string);

			std::ostringstream oss;
			utility::outputStreamAdapter tempOut(oss);

			theDecoder->decode(in, tempOut);

			string str = oss.str();
			utility::inputStreamStringAdapter tempIn(str);

			theEncoder->encode(tempIn, os);

		// No encoding to perform
		} else {

			os.write(m_string.data(), m_string.length());
		}

	// Need to encode data before
	} else {

		shared_ptr <utility::encoder::encoder> theEncoder = enc.getEncoder();
		theEncoder->getProperties()["maxlinelength"] = maxLineLength;
		theEncoder->getProperties()["text"] = (m_contentType.getType() == mediaTypes::TEXT);

		utility::inputStreamStringAdapter in(m_string);

		theEncoder->encode(in, os);
	}
}


void stringContentHandler::extract(
	utility::outputStream& os,
	utility::progressListener* progress
) const {

	// No decoding to perform
	if (!isEncoded()) {

		utility::inputStreamStringAdapter in(m_string);
		utility::progressListenerSizeAdapter plsa(progress, getLength());

		utility::bufferedStreamCopy(in, os, m_string.length(), progress);

	// Need to decode data
	} else {

		shared_ptr <utility::encoder::encoder> theDecoder = m_encoding.getEncoder();

		utility::inputStreamStringAdapter in(m_string);
		utility::progressListenerSizeAdapter plsa(progress, getLength());

		theDecoder->decode(in, os, &plsa);
	}
}


void stringContentHandler::extractRaw(
	utility::outputStream& os,
	utility::progressListener* progress
) const {

	utility::inputStreamStringAdapter in(m_string);
	utility::progressListenerSizeAdapter plsa(progress, getLength());

	utility::bufferedStreamCopy(in, os, m_string.length(), progress);
}


size_t stringContentHandler::getLength() const {

	return m_string.length();
}


bool stringContentHandler::isEmpty() const {

	return m_string.length() == 0;
}


bool stringContentHandler::isEncoded() const {

	return m_encoding != NO_ENCODING;
}


const vmime::encoding& stringContentHandler::getEncoding() const {

	return m_encoding;
}


bool stringContentHandler::isBuffered() const {

	return true;
}


void stringContentHandler::setContentTypeHint(const mediaType& type) {

	m_contentType = type;
}


const mediaType stringContentHandler::getContentTypeHint() const {

	return m_contentType;
}


} // vmime