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Leonid Fedorov
@ -16,9 +16,9 @@
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MA 02110-1301, USA. */
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/******************************************************************************************
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* $Id: configcpp.h 3495 2013-01-21 14:09:51Z rdempsey $
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*
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******************************************************************************************/
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* $Id: configcpp.h 3495 2013-01-21 14:09:51Z rdempsey $
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*
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******************************************************************************************/
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/**
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* @file
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*/
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@ -38,7 +38,6 @@
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namespace messageqcpp
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{
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class ByteStream;
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}
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@ -51,7 +50,6 @@ class ByteStream;
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namespace config
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{
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/** @brief a config file I/F class
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*
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* This is a singleton pattern: you must use the makeConfig() factory method to get a
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@ -61,201 +59,199 @@ namespace config
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*/
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class Config
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{
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public:
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/** @brief Config factory method
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*
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* Creates a singleton Config object
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*/
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EXPORT static Config* makeConfig(const char* cf = 0);
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public:
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/** @brief Config factory method
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*
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* Creates a singleton Config object
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*/
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EXPORT static Config* makeConfig(const char* cf = 0);
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/** @brief Config factory method
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*
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* Creates a singleton Config object
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*/
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EXPORT static Config* makeConfig(const std::string& cf);
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/** @brief Config factory method
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*
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* Creates a singleton Config object
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*/
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EXPORT static Config* makeConfig(const std::string& cf);
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/** @brief dtor
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*/
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EXPORT virtual ~Config();
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/** @brief dtor
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*/
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EXPORT virtual ~Config();
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/** @brief get name's value from section
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*
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* get name's value from section in the current config file.
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* @param section the name of the config file section to search
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* @param name the param name whose value is to be returned
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*/
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EXPORT const std::string getConfig(const std::string& section, const std::string& name);
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/** @brief get name's value from section
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*
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* get name's value from section in the current config file.
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* @param section the name of the config file section to search
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* @param name the param name whose value is to be returned
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*/
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EXPORT const std::string getConfig(const std::string& section, const std::string& name);
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/** @brief get name's value from section
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*
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* get name's value from section in the current config file re-reading the
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* config file if it was updated.
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* @param section the name of the config file section to search
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* @param name the param name whose value is to be returned
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*/
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const std::string getFromActualConfig(const std::string& section, const std::string& name);
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/** @brief get name's value from section
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*
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* get name's value from section in the current config file re-reading the
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* config file if it was updated.
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* @param section the name of the config file section to search
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* @param name the param name whose value is to be returned
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*/
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const std::string getFromActualConfig(const std::string& section, const std::string& name);
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/** @brief get all name's values from a section
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*
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* get name's values from section in the current config file.
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* @param section the name of the config file section to search
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* @param name the param name whose value is to be returned
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* @param values the values in the section are returned in this vector
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*/
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EXPORT void getConfig(const std::string& section, const std::string& name,
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std::vector<std::string>& values);
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/** @brief get all name's values from a section
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*
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* get name's values from section in the current config file.
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* @param section the name of the config file section to search
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* @param name the param name whose value is to be returned
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* @param values the values in the section are returned in this vector
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*/
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EXPORT void getConfig(const std::string& section, const std::string& name,
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std::vector<std::string>& values);
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/** @brief set name's value in section
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*
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* set name's value in section in the current config file.
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* @param section the name of the config file section to update
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* @param name the param name whose value is to be updated
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* @param value the param value
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*/
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// !!!Don't ever ever use this in the engine code b/c it might result in a race
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// b/w getConfig and setConfig methods.!!!
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EXPORT void setConfig(const std::string& section, const std::string& name, const std::string& value);
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/** @brief set name's value in section
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*
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* set name's value in section in the current config file.
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* @param section the name of the config file section to update
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* @param name the param name whose value is to be updated
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* @param value the param value
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*/
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// !!!Don't ever ever use this in the engine code b/c it might result in a race
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// b/w getConfig and setConfig methods.!!!
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EXPORT void setConfig(const std::string& section, const std::string& name, const std::string& value);
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/** @brief delete name from section
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*
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* delete name from section in the current config file.
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* @param section the name of the config file section to search
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* @param name the param name whose entry is to be deleted
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* @note if you delete the last param from a section, the section will still remain
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*/
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EXPORT void delConfig(const std::string& section, const std::string& name);
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/** @brief delete name from section
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*
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* delete name from section in the current config file.
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* @param section the name of the config file section to search
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* @param name the param name whose entry is to be deleted
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* @note if you delete the last param from a section, the section will still remain
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*/
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EXPORT void delConfig(const std::string& section, const std::string& name);
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/** @brief write the config file back out to disk
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*
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* write the config file back out to disk using the current filename.
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*/
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EXPORT void write(void) const;
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/** @brief write the config file back out to disk
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*
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* write the config file back out to disk using the current filename.
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*/
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EXPORT void write(void) const;
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/** @brief write the config file back out to disk as fileName
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*
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* write the config file out to disk as a new file fileName. Does not affect the current
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* config filename.
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*/
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EXPORT void write(const std::string& fileName) const;
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/** @brief write the config file back out to disk as fileName
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*
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* write the config file out to disk as a new file fileName. Does not affect the current
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* config filename.
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*/
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EXPORT void write(const std::string& fileName) const;
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/** @brief write a stream copy of config file to disk
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*
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* write a stream copy of config file to disk. used to distributed mass updates to system nodes
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*
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*/
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EXPORT void writeConfigFile(messageqcpp::ByteStream msg) const;
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/** @brief write a stream copy of config file to disk
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*
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* write a stream copy of config file to disk. used to distributed mass updates to system nodes
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*
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*/
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EXPORT void writeConfigFile(messageqcpp::ByteStream msg) const;
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/** @brief return the name of this config file
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*
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* return the name of this config file.
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*/
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EXPORT inline const std::string& configFile() const
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{
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return fConfigFile;
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}
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/** @brief return the name of this config file
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*
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* return the name of this config file.
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*/
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EXPORT inline const std::string& configFile() const
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{
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return fConfigFile;
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}
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/** @brief delete all config file instances
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*
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* deletes \b all config file maps
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*/
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EXPORT static void deleteInstanceMap();
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/** @brief delete all config file instances
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*
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* deletes \b all config file maps
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*/
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EXPORT static void deleteInstanceMap();
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/** @brief parse config file numerics
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*
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* Convert human-friendly number formats to machine-friendly. Handle suffixes 'K', 'M', 'G'.
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* Handle decimal, hex and octal notation in the same way as the C compiler.
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* Ignore any 'B' following [KMG]. Ignore case in suffixes.
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* An empty string or an unparseable string returns 0.
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* Return a signed numeric value.
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*/
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EXPORT static int64_t fromText(const std::string& text);
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/** @brief parse config file numerics
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*
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* Convert human-friendly number formats to machine-friendly. Handle suffixes 'K', 'M', 'G'.
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* Handle decimal, hex and octal notation in the same way as the C compiler.
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* Ignore any 'B' following [KMG]. Ignore case in suffixes.
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* An empty string or an unparseable string returns 0.
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* Return a signed numeric value.
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*/
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EXPORT static int64_t fromText(const std::string& text);
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/** @brief parse config file numerics
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*
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* Return an unsigned numeric value.
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*/
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EXPORT static inline uint64_t uFromText(const std::string& text)
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{
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return static_cast<uint64_t>(fromText(text));
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}
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/** @brief parse config file numerics
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*
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* Return an unsigned numeric value.
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*/
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EXPORT static inline uint64_t uFromText(const std::string& text)
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{
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return static_cast<uint64_t>(fromText(text));
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}
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/** @brief Used externally to check whether there has been a config change without loading everything
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*
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*/
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inline time_t getLastMTime() const
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{
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return fMtime;
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}
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/** @brief Used externally to check whether there has been a config change without loading everything
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*
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*/
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inline time_t getLastMTime() const
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{
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return fMtime;
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}
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/** @brief Used externally to check whether there has been a config change without loading everything
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*
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*/
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EXPORT time_t getCurrentMTime();
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/** @brief Used externally to check whether there has been a config change without loading everything
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*
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*/
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EXPORT time_t getCurrentMTime();
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/** @brief Enumerate all the sections in the config file
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*
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*/
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EXPORT const std::vector<std::string> enumConfig();
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/** @brief Enumerate all the sections in the config file
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*
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*/
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EXPORT const std::vector<std::string> enumConfig();
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/** @brief Enumerate all the names in a section in the config file
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*
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*/
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EXPORT const std::vector<std::string> enumSection(const std::string& section);
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/** @brief Enumerate all the names in a section in the config file
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*
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*/
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EXPORT const std::vector<std::string> enumSection(const std::string& section);
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enum class TempDirPurpose
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{
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Joins, ///< disk joins
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Aggregates ///< disk-based aggregation
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};
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/** @brief Return temporaru directory path for the specified purpose */
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EXPORT std::string getTempFileDir(TempDirPurpose what);
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enum class TempDirPurpose
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{
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Joins, ///< disk joins
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Aggregates ///< disk-based aggregation
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};
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/** @brief Return temporaru directory path for the specified purpose */
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EXPORT std::string getTempFileDir(TempDirPurpose what);
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protected:
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/** @brief parse the XML file
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*
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*/
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void parseDoc(void);
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protected:
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/** @brief parse the XML file
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*
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*/
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void parseDoc(void);
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/** @brief write the XML tree to disk
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*
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*/
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EXPORT void writeConfig(const std::string& fileName) const;
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/** @brief write the XML tree to disk
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*
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*/
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EXPORT void writeConfig(const std::string& fileName) const;
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/** @brief stop processing this XML file
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*
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*/
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void closeConfig(void);
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/** @brief stop processing this XML file
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*
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*/
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void closeConfig(void);
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private:
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typedef std::map<std::string, Config*> configMap_t;
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private:
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typedef std::map<std::string, Config*> configMap_t;
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/*
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*/
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Config(const Config& rhs);
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/*
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*/
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Config& operator=(const Config& rhs);
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/*
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*/
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Config(const Config& rhs);
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/*
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*/
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Config& operator=(const Config& rhs);
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/** @brief ctor with config file specified
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*/
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Config(const std::string& configFile);
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/** @brief ctor with config file specified
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*/
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Config(const std::string& configFile);
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static configMap_t fInstanceMap;
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static boost::mutex fInstanceMapMutex;
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static boost::mutex fXmlLock;
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static boost::mutex fWriteXmlLock;
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xmlDocPtr fDoc;
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const std::string fConfigFile;
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time_t fMtime;
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mutable boost::recursive_mutex fLock;
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XMLParser fParser;
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static configMap_t fInstanceMap;
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static boost::mutex fInstanceMapMutex;
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static boost::mutex fXmlLock;
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static boost::mutex fWriteXmlLock;
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xmlDocPtr fDoc;
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const std::string fConfigFile;
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time_t fMtime;
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mutable boost::recursive_mutex fLock;
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XMLParser fParser;
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};
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}
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} // namespace config
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#undef EXPORT
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// vim:ts=4 sw=4:
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