1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *  * Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 *  * Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in
12 *    the documentation and/or other materials provided with the
13 *    distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sstream>
30#include <streambuf>
31#include <ios_base.h>
32
33namespace std {
34
35// basic_stringbuf
36
37basic_stringbuf::basic_stringbuf(ios_base::openmode mode) :
38    mMode(mode) { }
39
40basic_stringbuf::basic_stringbuf(const string& str, ios_base::openmode mode) :
41    mMode(mode), mString(str) { }
42
43basic_stringbuf::~basic_stringbuf() { }
44
45const string& basic_stringbuf::str() const {
46    return mString;
47}
48
49void basic_stringbuf::str(const string& str) {
50    mString = str;
51}
52
53streamsize basic_stringbuf::in_avail() {
54    if (mMode & std::ios_base::in) {
55        return mString.size();
56    } else {
57        return -1;
58    }
59}
60
61streamsize basic_stringbuf::xsputn(const char_type* str, streamsize num) {
62    mString.append(str, num);
63    return num;
64}
65
66
67// stringstream
68
69stringstream::stringstream(std::ios_base::openmode mode)
70    : mStringBuf(mode) {
71    this->init(&mStringBuf);
72}
73
74stringstream::stringstream(const string& str,
75                           std::ios_base::openmode mode)
76    : mStringBuf(str, mode) {
77    this->init(&mStringBuf);
78}
79
80stringstream::~stringstream() {}
81
82ostream& stringstream::put(char c) {
83    mStringBuf.sputc(c);
84    return *this;
85}
86
87}  // namespace std
88