icinga2/tools/mkclass/classcompiler.hpp

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/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
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* *
* 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. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#ifndef CLASSCOMPILER_H
#define CLASSCOMPILER_H
#include <string>
#include <istream>
#include <vector>
#include <algorithm>
namespace icinga
{
struct ClassDebugInfo
{
std::string path;
int first_line;
int first_column;
int last_line;
int last_column;
};
enum FieldAccessorType
{
FTGet,
FTSet,
FTDefault
};
struct FieldAccessor
{
FieldAccessorType Type;
std::string Accessor;
FieldAccessor(FieldAccessorType type, const std::string& accessor)
: Type(type), Accessor(accessor)
{ }
};
enum FieldAttribute
{
FAConfig = 1,
FAState = 2,
FAEnum = 4,
FAGetProtected = 8,
FASetProtected = 16,
FAInternal = 32
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};
struct Field
{
int Attributes;
std::string Type;
std::string Name;
std::string AlternativeName;
std::string GetAccessor;
std::string SetAccessor;
std::string DefaultAccessor;
std::string GetFriendlyName(void) const
{
if (!AlternativeName.empty())
return AlternativeName;
bool cap = true;
std::string name = Name;
for (size_t i = 0; i < name.size(); i++) {
if (name[i] == '_') {
cap = true;
continue;
}
if (cap) {
name[i] = toupper(name[i]);
cap = false;
}
}
name.erase(
std::remove(name.begin(), name.end(), '_'),
name.end()
);
/* TODO: figure out name */
return name;
}
};
enum TypeAttribute
{
TAAbstract = 1
};
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struct Klass
{
std::string Name;
std::string Parent;
std::string TypeBase;
int Attributes;
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std::vector<Field> Fields;
};
class ClassCompiler
{
public:
ClassCompiler(const std::string& path, std::istream *input);
~ClassCompiler(void);
void Compile(void);
std::string GetPath(void) const;
void InitializeScanner(void);
void DestroyScanner(void);
void *GetScanner(void);
size_t ReadInput(char *buffer, size_t max_size);
void HandleInclude(const std::string& path, const ClassDebugInfo& locp);
void HandleAngleInclude(const std::string& path, const ClassDebugInfo& locp);
void HandleClass(const Klass& klass, const ClassDebugInfo& locp);
void HandleNamespaceBegin(const std::string& name, const ClassDebugInfo& locp);
void HandleNamespaceEnd(const ClassDebugInfo& locp);
void HandleCode(const std::string& code, const ClassDebugInfo& locp);
static void CompileFile(const std::string& path);
static void CompileStream(const std::string& path, std::istream *stream);
static void OptimizeStructLayout(std::vector<Field>& fields);
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private:
std::string m_Path;
std::istream *m_Input;
void *m_Scanner;
static unsigned long SDBM(const std::string& str, size_t len);
static std::string BaseName(const std::string& path);
static std::string FileNameToGuardName(const std::string& path);
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};
}
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#endif /* CLASSCOMPILER_H */