Diff: SmartRest/Parser.cpp

Revision:

11:844856ab160d

Parent:

10:478414cc15a4

Child:

12:788dd934f283

--- a/SmartRest/Parser.cpp	Wed Feb 05 16:21:46 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,180 +0,0 @@
-/*
- * Parser.cpp
- *
- * Created on: Nov 1, 2013
- * * Authors: Vincent Wochnik <v.wochnik@gmail.com>
- *
- * Copyright (c) 2013 Cumulocity GmbH
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include "Parser.h"
-
-#define STATE_BLANK 0
-#define STATE_STRUCTURE 1
-#define STATE_VALUE 2
-#define STATE_INQUOTES 3
-#define STATE_AFTERQUOTE 4
-#define STATE_COMPLETE 5
-#define STATE_ERROR 6
-
-Parser::Parser()
-{
-    reset();
-}
-
-uint8_t Parser::readFrom(AbstractDataSource& source, ParsedRecord& record)
-{
-    uint8_t status; char read;
-
-    reset();
-    record.set(NULL, 0);
-
-    while ((_state < STATE_COMPLETE) &&
-           (((read = source.read()) > 0 ) ||
-            ((status = source.status()) == DS_STATUS_OK)))
-        parse(read);
-
-    if (_state == STATE_COMPLETE)
-        record.set(_buffer, _count);
-
-    if (_state == STATE_COMPLETE)
-        return PARSER_SUCCESS;
-    else if (_state == STATE_BLANK)
-        if (status == DS_STATUS_CLOSED)
-            return PARSER_END_OF_RESPONSE;
-        else
-            return PARSER_TIMEOUT_ERROR;
-    else
-        if (status == DS_STATUS_TIMEOUT)
-            return PARSER_TIMEOUT_ERROR;
-        else
-            return PARSER_PARSE_ERROR;
-}
-
-void Parser::parse(char c)
-{
-    if (_ptr-_buffer >= PARSER_BUFFER_SIZE) {
-        _state = STATE_ERROR;
-        return;
-    }
-
-    switch (_state) {
-    case STATE_BLANK:
-        _state = STATE_STRUCTURE;
-    case STATE_STRUCTURE:
-        switch (c) {
-        case ' ':
-        case '\t':
-        case '\r':
-            break;
-        case '"':
-            _state = STATE_INQUOTES;
-            break;
-        case ',':
-            close();
-            break;
-        case '\0':
-        case '\n':
-            if ((_count == 0) && (_length == 0)) {
-                _state = STATE_BLANK;
-            } else {
-                close();
-                _state = STATE_COMPLETE;
-            }
-            break;
-        default:
-            if (_length > 0) {
-                _state = STATE_ERROR;
-            } else {
-                _state = STATE_VALUE;
-                parse(c);
-            }
-            break;
-        }
-        break;
-    case STATE_VALUE:
-        switch (c) {
-        case ',':
-        case '\n':
-            _state = STATE_STRUCTURE;
-            parse(c);
-            break;
-        case '"':
-            _state = STATE_ERROR;
-            break;
-        default:
-            if ((c == ' ') || (c == '\t') || (c == '\r'))
-                _trailing++;
-            else
-                _trailing = 0;
-            append(c);
-            break;
-        }
-        break;
-    case STATE_INQUOTES:
-        switch (c) {
-        case '"':
-            _state = STATE_AFTERQUOTE;
-            break;
-        default:
-            append(c);
-            break;
-        }
-        break;
-    case STATE_AFTERQUOTE:
-        switch (c) {
-        case '"':
-            append(c);
-            _state = STATE_INQUOTES;
-            break;
-        default:
-            _state = STATE_STRUCTURE;
-            parse(c);
-            break;
-        }
-        break;
-    }
-}
-
-void Parser::append(char c)
-{
-    *_ptr++ = c;
-    _length++;
-}
-
-void Parser::close()
-{
-    _ptr -= _trailing;
-    *_ptr++ = 0;
-    _trailing = 0;
-    _length = 0;
-    _count++;
-}
-
-void Parser::reset()
-{
-    _state = STATE_BLANK;
-    _ptr = _buffer;
-    _count = 0;
-    _trailing = 0;
-    _length = 0;
-}