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// -*- C++ -*-
//=========================================================================
/**
* @file Svc_Conf_Lexer.h
*
* $Id$
*
* This class is a hand-coded replacement for the lexer generated from
* Svc_Conf.l that correctly supports Unicode.
*
* @author Chad Elliott <elliott_c@ociweb.com>
*/
//=========================================================================
#ifndef SVC_CONF_LEXER_H
#define SVC_CONF_LEXER_H
#include /**/ "ace/pre.h"
#include "ace/Svc_Conf.h"
#if (ACE_USES_CLASSIC_SVC_CONF == 1)
#include "ace/Encoding_Converter_Factory.h"
class ACE_Encoding_Converter;
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
/** This class lexes the classic ACE Service Configurator language.
* The entry point is similar to what flex would generate. However, it
* is a static method in this class (which is really just name space).
*/
class ACE_Svc_Conf_Lexer
{
public:
/// This is similar to the C function, ace_yylex, which a bison
/// generated parser expects. It returns information in the ace_yylval
/// parameter and uses input stored in the param parameter.
static int yylex (ACE_YYSTYPE* ace_yylval,
ACE_Svc_Conf_Param* param);
private:
static size_t input(ACE_Svc_Conf_Param* param, char* buf, size_t max_size);
static int scan (ACE_YYSTYPE* ace_yylval, ACE_Svc_Conf_Param* param);
#if defined (ACE_USES_WCHAR)
static bool convert_to_utf8 (
ACE_Svc_Conf_Param* param,
size_t skip_bytes,
ACE_Encoding_Converter_Factory::Encoding_Hint hint);
static bool convert_from_utf8 (ACE_Encoding_Converter* converter,
const char* source,
size_t source_size,
ACE_TCHAR* target,
size_t target_size,
size_t& length);
static ACE_Encoding_Converter_Factory::Encoding_Hint
locate_bom (char* source,
size_t source_size,
size_t& bytes_used);
#endif /* ACE_USES_WCHAR */
};
ACE_END_VERSIONED_NAMESPACE_DECL
#endif /* ACE_USES_CLASSIC_SVC_CONF = 1 */
#include /**/ "ace/post.h"
#endif /* SVC_CONF_LEXER_H */
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