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//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// copyright : (C) 2008 by Eran Ifrah
// file name : environmentconfig.h
//
// -------------------------------------------------------------------------
// A
// _____ _ _ _ _
// / __ \ | | | | (_) |
// | / \/ ___ __| | ___| | _| |_ ___
// | | / _ \ / _ |/ _ \ | | | __/ _ )
// | \__/\ (_) | (_| | __/ |___| | || __/
// \____/\___/ \__,_|\___\_____/_|\__\___|
//
// F i l e
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
#ifndef __environmentconfig__
#define __environmentconfig__
#include "archive.h"
#include "build_config.h"
#include "configurationtoolbase.h"
#include "evnvarlist.h"
#include "macros.h"
#include "project.h"
#include <wx/thread.h>
#include <wx/utils.h>
class EnvSetter;
/// A helper class that makes sure that escpaed $ signs
/// are kept unharmed
class WXDLLIMPEXP_SDK DollarEscaper
{
wxString& m_str;
public:
DollarEscaper(wxString& str);
~DollarEscaper();
};
class WXDLLIMPEXP_SDK EnvironmentConfig : public ConfigurationToolBase
{
// Allow access to Apply/UnApply Env
friend class EnvSetter;
wxStringMap_t m_envSnapshot;
wxCriticalSection m_cs;
int m_envApplied;
protected:
wxString DoExpandVariables(const wxString& in);
void ApplyEnv(wxStringMap_t* overrideMap, const wxString& project, const wxString& config);
void UnApplyEnv();
public:
static EnvironmentConfig* Instance();
static void Release();
bool Load();
wxString ExpandVariables(const wxString& in, bool applyEnvironment);
EvnVarList GetSettings();
void SetSettings(EvnVarList& vars);
/**
* @brief return a list of the environment variabels as defined by the user
* in the global environment table + workspace + project (this function only return the names of the variable, not
* its value)
*/
wxArrayString GetActiveSetEnvNames(bool includeWorkspace = true, const wxString& project = wxEmptyString);
private:
EnvironmentConfig();
virtual ~EnvironmentConfig();
public:
virtual wxString GetRootName();
};
class EnvSetter
{
EnvironmentConfig* m_env;
wxString m_envName;
wxString m_oldEnvValue;
bool m_restoreOldValue;
public:
EnvSetter(wxStringMap_t* om = NULL)
: m_env(EnvironmentConfig::Instance())
, m_restoreOldValue(false)
{
m_env->ApplyEnv(om, wxEmptyString, wxEmptyString);
}
EnvSetter(ProjectPtr proj)
: m_env(EnvironmentConfig::Instance())
, m_restoreOldValue(false)
{
wxString projname = proj->GetName();
wxString buildConfName;
BuildConfigPtr buildConf = proj->GetBuildConfiguration();
if(buildConf) {
buildConfName = buildConf->GetName();
}
m_env->ApplyEnv(NULL, projname, buildConfName);
}
EnvSetter(Project* proj)
: m_env(EnvironmentConfig::Instance())
, m_restoreOldValue(false)
{
wxString projname = proj->GetName();
wxString buildConfName;
BuildConfigPtr buildConf = proj->GetBuildConfiguration();
if(buildConf) {
buildConfName = buildConf->GetName();
}
m_env->ApplyEnv(NULL, projname, buildConfName);
}
EnvSetter(EnvironmentConfig* conf, wxStringMap_t* om = NULL)
: m_env(EnvironmentConfig::Instance())
, m_restoreOldValue(false)
{
wxUnusedVar(conf);
m_env->ApplyEnv(om, wxEmptyString, wxEmptyString);
}
EnvSetter(EnvironmentConfig* conf, wxStringMap_t* om, const wxString& project, const wxString& buildConfig)
: m_env(EnvironmentConfig::Instance())
, m_restoreOldValue(false)
{
wxUnusedVar(conf);
m_env->ApplyEnv(om, project, buildConfig);
}
EnvSetter(const wxString& var, const wxString& value)
: m_env(NULL)
{
m_envName = var;
// keep old value
m_restoreOldValue = ::wxGetEnv(m_envName, &m_oldEnvValue);
::wxSetEnv(m_envName, value);
}
~EnvSetter()
{
if(m_env) {
m_env->UnApplyEnv();
m_env = NULL;
}
if(m_restoreOldValue) {
// restore old env variable value
::wxSetEnv(m_envName, m_oldEnvValue);
} else if(!m_envName.IsEmpty()) {
// we applied a single evn variable without old value
// uset it
::wxUnsetEnv(m_envName);
}
}
};
#endif // __environmentconfig__
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