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// --------------------------------------------------------------------------
//
// File
// Name: Configuration
// Purpose: Reading configuration files
// Created: 2003/07/23
//
// --------------------------------------------------------------------------
#ifndef CONFIGURATION__H
#define CONFIGURATION__H
#include <map>
#include <list>
#include <vector>
#include <string>
#include <memory>
// For defining tests
enum
{
ConfigTest_LastEntry = 1,
ConfigTest_Exists = 2,
ConfigTest_IsInt = 4,
ConfigTest_MultiValueAllowed = 8,
ConfigTest_IsBool = 16
};
class ConfigurationVerifyKey
{
public:
const char *mpName; // "*" for all other keys (not implemented yet)
const char *mpDefaultValue; // default for when it's not present
int Tests;
void *TestFunction; // set to zero for now, will implement later
};
class ConfigurationVerify
{
public:
const char *mpName; // "*" for all other sub config names
const ConfigurationVerify *mpSubConfigurations;
const ConfigurationVerifyKey *mpKeys;
int Tests;
void *TestFunction; // set to zero for now, will implement later
};
class FdGetLine;
// --------------------------------------------------------------------------
//
// Class
// Name: Configuration
// Purpose: Loading, checking, and representing configuration files
// Created: 2003/07/23
//
// --------------------------------------------------------------------------
class Configuration
{
private:
Configuration(const std::string &rName);
public:
Configuration(const Configuration &rToCopy);
~Configuration();
enum
{
// The character to separate multi-values
MultiValueSeparator = '\x01'
};
static std::auto_ptr<Configuration> LoadAndVerify(const char *Filename, const ConfigurationVerify *pVerify, std::string &rErrorMsg);
static std::auto_ptr<Configuration> Load(const char *Filename, std::string &rErrorMsg) { return LoadAndVerify(Filename, 0, rErrorMsg); }
bool KeyExists(const char *pKeyName) const;
const std::string &GetKeyValue(const char *pKeyName) const;
int GetKeyValueInt(const char *pKeyName) const;
bool GetKeyValueBool(const char *pKeyName) const;
std::vector<std::string> GetKeyNames() const;
bool SubConfigurationExists(const char *pSubName) const;
const Configuration &GetSubConfiguration(const char *pSubName) const;
std::vector<std::string> GetSubConfigurationNames() const;
std::string mName;
// Order of sub blocks preserved
typedef std::list<std::pair<std::string, Configuration> > SubConfigListType;
SubConfigListType mSubConfigurations;
// Order of keys, not preserved
std::map<std::string, std::string> mKeys;
private:
static bool LoadInto(Configuration &rConfig, FdGetLine &rGetLine, std::string &rErrorMsg, bool RootLevel);
static bool Verify(Configuration &rConfig, const ConfigurationVerify &rVerify, const std::string &rLevel, std::string &rErrorMsg);
};
#endif // CONFIGURATION__H
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