[89] | 1 | /*
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more
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| 3 | * contributor license agreements. See the NOTICE file distributed with
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| 4 | * this work for additional information regarding copyright ownership.
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| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0
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| 6 | * (the "License"); you may not use this file except in compliance with
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| 7 | * the License. You may obtain a copy of the License at
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| 8 | *
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0
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| 10 | *
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| 11 | * Unless required by applicable law or agreed to in writing, software
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 14 | * See the License for the specific language governing permissions and
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| 15 | * limitations under the License.
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| 16 | */
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| 17 |
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| 18 | #ifndef _LOG4CXX_HELPER_FORMATTING_INFO_H
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| 19 | #define _LOG4CXX_HELPER_FORMATTING_INFO_H
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| 20 |
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| 21 |
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| 22 | #include <log4cxx/helpers/objectimpl.h>
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| 23 | #include <log4cxx/logstring.h>
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| 24 |
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| 25 | namespace log4cxx {
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| 26 | namespace pattern {
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| 27 |
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| 28 |
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| 29 | class FormattingInfo;
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| 30 | typedef helpers::ObjectPtrT<FormattingInfo> FormattingInfoPtr;
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| 31 |
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| 32 |
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| 33 | /**
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| 34 | * Modifies the output of a pattern converter for a specified minimum
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| 35 | * and maximum width and alignment.
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| 36 | *
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| 37 | *
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| 38 | *
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| 39 | *
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| 40 | */
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| 41 | class LOG4CXX_EXPORT FormattingInfo : public virtual log4cxx::helpers::ObjectImpl {
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| 42 |
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| 43 | /**
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| 44 | * Minimum length.
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| 45 | */
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| 46 | const int minLength;
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| 47 |
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| 48 | /**
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| 49 | * Maximum length.
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| 50 | */
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| 51 | const int maxLength;
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| 52 |
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| 53 | /**
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| 54 | * Alignment.
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| 55 | */
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| 56 | const bool leftAlign;
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| 57 |
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| 58 | public:
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| 59 | DECLARE_ABSTRACT_LOG4CXX_OBJECT(FormattingInfo)
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| 60 | BEGIN_LOG4CXX_CAST_MAP()
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| 61 | LOG4CXX_CAST_ENTRY(FormattingInfo)
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| 62 | END_LOG4CXX_CAST_MAP()
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| 63 |
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| 64 |
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| 65 | /**
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| 66 | * Creates new instance.
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| 67 | * @param leftAlign left align if true.
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| 68 | * @param minLength minimum length.
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| 69 | * @param maxLength maximum length.
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| 70 | */
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| 71 | FormattingInfo(
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| 72 | const bool leftAlign, const int minLength, const int maxLength);
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| 73 |
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| 74 | /**
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| 75 | * Gets default instance.
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| 76 | * @return default instance.
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| 77 | */
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| 78 | static FormattingInfoPtr getDefault();
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| 79 |
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| 80 | /**
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| 81 | * Determine if left aligned.
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| 82 | * @return true if left aligned.
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| 83 | */
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| 84 | inline bool isLeftAligned() const {
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| 85 | return leftAlign;
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| 86 | }
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| 87 |
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| 88 | /**
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| 89 | * Get minimum length.
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| 90 | * @return minimum length.
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| 91 | */
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| 92 | inline int getMinLength() const {
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| 93 | return minLength;
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| 94 | }
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| 95 |
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| 96 | /**
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| 97 | * Get maximum length.
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| 98 | * @return maximum length.
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| 99 | */
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| 100 | inline int getMaxLength() const {
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| 101 | return maxLength;
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| 102 | }
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| 103 |
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| 104 | /**
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| 105 | * Adjust the content of the buffer based on the specified lengths and alignment.
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| 106 | *
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| 107 | * @param fieldStart start of field in buffer.
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| 108 | * @param buffer buffer to be modified.
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| 109 | */
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| 110 | void format(const int fieldStart, LogString& buffer) const;
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| 111 | };
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| 112 | LOG4CXX_PTR_DEF(FormattingInfo);
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| 113 | }
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| 114 | }
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| 115 |
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| 116 |
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| 117 | #endif
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