|
| 1 | +/** |
| 2 | + StreamString.cpp |
| 3 | +
|
| 4 | + Copyright (c) 2015 Markus Sattler. All rights reserved. |
| 5 | + This file is part of the esp8266 core for Arduino environment. |
| 6 | +
|
| 7 | + This library is free software; you can redistribute it and/or |
| 8 | + modify it under the terms of the GNU Lesser General Public |
| 9 | + License as published by the Free Software Foundation; either |
| 10 | + version 2.1 of the License, or (at your option) any later version. |
| 11 | +
|
| 12 | + This library is distributed in the hope that it will be useful, |
| 13 | + but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | + Lesser General Public License for more details. |
| 16 | +
|
| 17 | + You should have received a copy of the GNU Lesser General Public |
| 18 | + License along with this library; if not, write to the Free Software |
| 19 | + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 20 | +
|
| 21 | + */ |
| 22 | + |
| 23 | + |
| 24 | +#include "StreamString.h" |
| 25 | + |
| 26 | +#if !STRING_IS_STREAM |
| 27 | + |
| 28 | +size_t StreamString::write(const uint8_t *data, size_t size) { |
| 29 | + if(size && data) { |
| 30 | + const unsigned int newlen = length() + size; |
| 31 | + if(reserve(newlen + 1)) { |
| 32 | + memcpy((void *) (wbuffer() + len()), (const void *) data, size); |
| 33 | + setLen(newlen); |
| 34 | + *(wbuffer() + newlen) = 0x00; // add null for string end |
| 35 | + return size; |
| 36 | + } |
| 37 | + DEBUGV(":stream2string: OOM (%d->%d)\n", length(), newlen+1); |
| 38 | + } |
| 39 | + return 0; |
| 40 | +} |
| 41 | + |
| 42 | +size_t StreamString::write(uint8_t data) { |
| 43 | + return concat((char) data); |
| 44 | +} |
| 45 | + |
| 46 | +int StreamString::available() { |
| 47 | + return length(); |
| 48 | +} |
| 49 | + |
| 50 | +int StreamString::read() { |
| 51 | + if(length()) { |
| 52 | + char c = charAt(0); |
| 53 | + remove(0, 1); |
| 54 | + return c; |
| 55 | + |
| 56 | + } |
| 57 | + return -1; |
| 58 | +} |
| 59 | + |
| 60 | +int StreamString::peek() { |
| 61 | + if(length()) { |
| 62 | + char c = charAt(0); |
| 63 | + return c; |
| 64 | + } |
| 65 | + return -1; |
| 66 | +} |
| 67 | + |
| 68 | +void StreamString::flush() { |
| 69 | +} |
| 70 | + |
| 71 | +#endif // !STRING_IS_STREAM |
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