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 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 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 57 void Pad::clear() { 58 OSL_ASSERT(!(span_.is() && buffer_.getLength() != 0)); 59 span_.clear(); 60 buffer_.setLength(0); 61 } 62 63 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 74 void Pad::flushSpan() { 75 if (span_.is()) { 76 buffer_.append(span_.begin, span_.length); 77 span_.clear(); 78 } 79 } 80 81 } 82