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#ifndef SELECTOR_H
#define SELECTOR_H
/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include "qpid/log/Statement.h"
#include "qpid/CommonImportExport.h"
#include <vector>
namespace qpid {
namespace log {
struct Options;
/**
* SelectorElement parses a cli/mgmt enable/disable entry into usable fields
* where cliEntry = [!]LEVEL[+-][:PATTERN]
*/
struct SelectorElement {
QPID_COMMON_EXTERN SelectorElement(const std::string cliEntry);
std::string levelStr;
std::string patternStr;
Level level;
Category category;
bool isDisable;
bool isCategory;
bool isLevelAndAbove;
bool isLevelAndBelow;
};
/**
* A selector identifies the set of log messages to enable.
*
* Thread object unsafe, pass-by-value type.
*/
class Selector {
public:
/** Empty selector selects nothing */
QPID_COMMON_EXTERN Selector();
/** Set selector from Options */
QPID_COMMON_EXTERN Selector(const Options&);
/** Equavlient to: Selector s; s.enable(l, s) */
QPID_COMMON_EXTERN Selector(Level l, const std::string& s=std::string());
/** Selector from string */
QPID_COMMON_EXTERN Selector(const std::string& selector);
/** push option settings into runtime lookup structs */
QPID_COMMON_EXTERN void enable(const std::string& enableStr);
QPID_COMMON_EXTERN void disable(const std::string& disableStr);
/**
* Enable/disable messages with level in levels where the file
* name contains substring. Empty string matches all.
*/
QPID_COMMON_EXTERN void enable(Level level, const std::string& substring=std::string());
QPID_COMMON_EXTERN void disable(Level level, const std::string& substring=std::string());
/** Tests to determine if function names are in enable/disable tables */
QPID_COMMON_EXTERN bool isEnabled(Level level, const char* function);
QPID_COMMON_EXTERN bool isDisabled(Level level, const char* function);
/** Test to determine if log Statement is enabled */
QPID_COMMON_EXTERN bool isEnabled(Level level, const char* function, Category category);
private:
typedef std::vector<std::string> FunctionNameTable [LevelTraits::COUNT];
FunctionNameTable enabledFunctions; // log function names explicitly enabled
FunctionNameTable disabledFunctions; // log function names explicitly disabled
bool enableFlags[LevelTraits::COUNT][CategoryTraits::COUNT];
bool disableFlags[LevelTraits::COUNT][CategoryTraits::COUNT];
bool lookupFuncName(Level level, const char* function, FunctionNameTable& table);
/** Reset the category enable flags */
QPID_COMMON_EXTERN void reset();
};
}} // namespace qpid::log
#endif /*!SELECTOR_H*/
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