1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 #include "precompiled_xmlreader.hxx"
25 #include "sal/config.h"
26
27 #include "osl/diagnose.h"
28 #include "rtl/string.h"
29 #include "sal/types.h"
30 #include "xmlreader/pad.hxx"
31 #include "xmlreader/span.hxx"
32
33 namespace xmlreader {
34
add(char const * begin,sal_Int32 length)35 void Pad::add(char const * begin, sal_Int32 length) {
36 OSL_ASSERT(
37 begin != 0 && length >= 0 && !(span_.is() && buffer_.getLength() != 0));
38 if (length != 0) {
39 flushSpan();
40 if (buffer_.getLength() == 0) {
41 span_ = Span(begin, length);
42 } else {
43 buffer_.append(begin, length);
44 }
45 }
46 }
47
addEphemeral(char const * begin,sal_Int32 length)48 void Pad::addEphemeral(char const * begin, sal_Int32 length) {
49 OSL_ASSERT(
50 begin != 0 && length >= 0 && !(span_.is() && buffer_.getLength() != 0));
51 if (length != 0) {
52 flushSpan();
53 buffer_.append(begin, length);
54 }
55 }
56
clear()57 void Pad::clear() {
58 OSL_ASSERT(!(span_.is() && buffer_.getLength() != 0));
59 span_.clear();
60 buffer_.setLength(0);
61 }
62
get() const63 Span Pad::get() const {
64 OSL_ASSERT(!(span_.is() && buffer_.getLength() != 0));
65 if (span_.is()) {
66 return span_;
67 } else if (buffer_.getLength() == 0) {
68 return Span(RTL_CONSTASCII_STRINGPARAM(""));
69 } else {
70 return Span(buffer_.getStr(), buffer_.getLength());
71 }
72 }
73
flushSpan()74 void Pad::flushSpan() {
75 if (span_.is()) {
76 buffer_.append(span_.begin, span_.length);
77 span_.clear();
78 }
79 }
80
81 }
82