add front demo in this project
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172
LFtid1056/cloudfront/code/log4cplus/helpers/property.h
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172
LFtid1056/cloudfront/code/log4cplus/helpers/property.h
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// -*- C++ -*-
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// Module: Log4CPLUS
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// File: property.h
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// Created: 2/2002
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// Author: Tad E. Smith
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//
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//
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// Copyright 2002-2017 Tad E. Smith
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/** @file */
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#ifndef LOG4CPLUS_HELPERS_PROPERTY_HEADER_
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#define LOG4CPLUS_HELPERS_PROPERTY_HEADER_
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#include <log4cplus/config.hxx>
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#if defined (LOG4CPLUS_HAVE_PRAGMA_ONCE)
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#pragma once
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#endif
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#include <log4cplus/streams.h>
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#include <log4cplus/tstring.h>
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#include <map>
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#include <vector>
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namespace log4cplus {
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namespace helpers {
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//! \sa log4cplus::PropertyConfigurator
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class LOG4CPLUS_EXPORT Properties {
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public:
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enum PFlags
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{
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// These encoding related options occupy 2 bits of the flags
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// and are mutually exclusive. These flags are synchronized
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// with PCFlags in PropertyConfigurator.
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fEncodingShift = 3
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, fEncodingMask = 0x3
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, fUnspecEncoding = (0 << fEncodingShift)
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#if defined (LOG4CPLUS_HAVE_CODECVT_UTF8_FACET) && defined (UNICODE)
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, fUTF8 = (1 << fEncodingShift)
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#endif
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#if (defined (LOG4CPLUS_HAVE_CODECVT_UTF16_FACET) || defined (_WIN32)) \
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&& defined (UNICODE)
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, fUTF16 = (2 << fEncodingShift)
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#endif
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#if defined (LOG4CPLUS_HAVE_CODECVT_UTF32_FACET) && defined (UNICODE)
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, fUTF32 = (3 << fEncodingShift)
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#endif
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, fThrow = (1 << 5)
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};
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Properties();
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explicit Properties(log4cplus::tistream& input);
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explicit Properties(const log4cplus::tstring& inputFile, unsigned flags = 0);
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virtual ~Properties();
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// constants
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static const tchar PROPERTIES_COMMENT_CHAR;
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// methods
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/**
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* Tests to see if <code>key</code> can be found in this map.
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*/
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bool exists(const log4cplus::tstring& key) const;
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bool exists(tchar const * key) const;
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/**
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* Returns the number of entries in this map.
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*/
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std::size_t size() const
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{
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return data.size();
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}
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/**
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* Searches for the property with the specified key in this property
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* list. If the key is not found in this property list, the default
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* property list, and its defaults, recursively, are then checked.
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* The method returns <code>null</code> if the property is not found.
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*/
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log4cplus::tstring const & getProperty(const log4cplus::tstring& key) const;
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log4cplus::tstring const & getProperty(tchar const * key) const;
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/**
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* Searches for the property with the specified key in this property
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* list. If the key is not found in this property list, the default
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* property list, and its defaults, recursively, are then checked.
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* The method returns the default value argument if the property is
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* not found.
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*/
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log4cplus::tstring getProperty(const log4cplus::tstring& key,
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const log4cplus::tstring& defaultVal) const;
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/**
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* Returns all the keys in this property list.
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*/
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std::vector<log4cplus::tstring> propertyNames() const;
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/**
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* Inserts <code>value</code> into this map indexed by <code>key</code>.
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*/
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void setProperty(const log4cplus::tstring& key, const log4cplus::tstring& value);
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/**
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* Removed the property index by <code>key</code> from this map.
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*/
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bool removeProperty(const log4cplus::tstring& key);
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/**
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* Returns a subset of the "properties" whose keys start with
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* "prefix". The returned "properties" have "prefix" trimmed from
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* their keys.
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*/
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Properties getPropertySubset(const log4cplus::tstring& prefix) const;
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bool getInt (int & val, log4cplus::tstring const & key) const;
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bool getUInt (unsigned & val, log4cplus::tstring const & key) const;
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bool getLong (long & val, log4cplus::tstring const & key) const;
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bool getULong (unsigned long & val, log4cplus::tstring const & key) const;
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bool getBool (bool & val, log4cplus::tstring const & key) const;
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bool getString (log4cplus::tstring & val, log4cplus::tstring const & key) const;
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protected:
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// Types
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typedef std::map<log4cplus::tstring, log4cplus::tstring> StringMap;
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// Methods
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void init(log4cplus::tistream& input);
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// Data
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StringMap data;
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unsigned flags;
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private:
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template <typename StringType>
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log4cplus::tstring const & get_property_worker (
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StringType const & key) const;
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template <typename ValType>
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bool get_type_val_worker (ValType & val,
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log4cplus::tstring const & key) const;
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};
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class LogLog;
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bool
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substVars (tstring & dest, const tstring & val,
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Properties const & props, LogLog& loglog,
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unsigned flags);
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} // end namespace helpers
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}
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#endif // LOG4CPLUS_HELPERS_PROPERTY_HEADER_
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