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168 lines
5.0 KiB
168 lines
5.0 KiB
/*****************************************************************************/
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/** Microsoft LAN Manager **/
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/** Copyright(c) Microsoft Corp., 1987-1990 **/
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/*****************************************************************************/
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/*****************************************************************************
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File : errors.hxx
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Title : error include file
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Description : This file contains all the definitions for the import
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: handler interface
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History :
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VibhasC 24-Aug-1990 Created
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VibhasC 25-Aug-1990 Additions to the file handler
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*****************************************************************************/
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#ifndef __FILEHNDL_HXX__
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#define __FILEHNDL_HXX__
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#include "idict.hxx"
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/****************************************************************************
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*** extern procs
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***************************************************************************/
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extern void StripSlashes( char * );
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/****************************************************************************
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**** class definitions for the import handler
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****************************************************************************/
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/***
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*** input file search path list
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***/
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struct _path_list
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{
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struct _path_list *pNext; // next member in linked list
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char *pPath; // path
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};
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typedef struct _path_list PATH_LIST;
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/***
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*** input file information block
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***/
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struct _fname_list
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{
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struct _fname_list *pNext; // next in the list
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char *pName; // including path
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char *pPath; // path of the file
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} ;
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typedef struct _fname_list FNAME_LIST;
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// buffer size for open files
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#define MIDL_RD_BUFSIZE 16384
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/***
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*** nested file info stack implemented as a doubly linked list
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***/
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struct _in_stack_element
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{
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struct _in_stack_element *pNext; // next stack element
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struct _in_stack_element *pPrev; // previous stack element
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FILE * hFile; // this files handle (valid if open)
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char * pBuffer; // buffer for file I/O
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unsigned long ulPos; // current position in the physical
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unsigned char fOpen; // file open ?
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unsigned char fShadow; // current file being shadowed ?
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unsigned char fNewLine;// new line was just seen
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unsigned char fRedundantImport;
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char * pShadowName;// shadow file name
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char * pMIFileName;// _i intermediate file
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unsigned short uShadowLine;// shadow line number
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char * pIFileName; // intermediate filename
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char * pName; // base file name including path
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short uLine; // current line in base file
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_in_stack_element()
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{
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pBuffer = new char[MIDL_RD_BUFSIZE];
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}
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~_in_stack_element()
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{
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delete pBuffer;
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}
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} ;
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typedef struct _in_stack_element IN_STACK_ELEMENT;
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/***
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*** nested file access flags
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***/
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struct _nfa_flags
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{
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unsigned char fFileSet; // file opened after push lex lvl ?
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unsigned char fPreProcess; // preprocessing on ?
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unsigned char fEOI; // end of file sensed ?
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unsigned char fRedundantImport; // redundant import simulation
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unsigned char fBaseFileName;
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unsigned char fInInclude;
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} ;
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typedef struct _nfa_flags NFA_FLAGS;
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/***
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*** nested file access data structure (used for import/acf)
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***/
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class _nfa_info
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{
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private:
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FNAME_LIST * pFileList; // input file information
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PATH_LIST * pPathList; // path list
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IN_STACK_ELEMENT * pStack; // pointer to nfa stack element
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IN_STACK_ELEMENT * pStackFirst; // first in the stack list
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short iCurLexLevel; // current lexical level
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NFA_FLAGS Flags; // flags for nfa access
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char * pBaseName;
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STATUS_T AddFileToFileList( char *,char *);
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IDICTKEY iText; // macro class dict index
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ISTACK * pTextDict; // macro (text expansion dict)
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public:
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_nfa_info( void );
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~_nfa_info();
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void Init();
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short GetLexLevel( void );
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short PushLexLevel( void );
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STATUS_T PopLexLevel( void );
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STATUS_T SetNewInputFile( char *);
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void SetLineFilename( char *);
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STATUS_T SetPath( char *);
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STATUS_T SetPreProcessingOn( void );
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STATUS_T PreProcess(char*, char*, char*, char*, char*&);
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short GetChar( void );
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short UnGetChar( short );
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STATUS_T GetInputDetails( char**, short *);
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STATUS_T GetInputDetails( char **);
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STATUS_T GetCurrentInputDetails( char**, short *, short *);
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short GetCurrentLineNo()
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{
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return (pStack) ? pStack->uLine
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: 0;
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}
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char * SearchForFile( char *);
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void SetEOIFlag();
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void ResetEOIFlag()
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{
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Flags.fEOI = 0;
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}
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short GetEOIFlag();
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STATUS_T EndOperations();
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STATUS_T EndOneOperation( IN_STACK_ELEMENT *);
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BOOL IsDuplicateInput( char * );
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BOOL IsInInclude();
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void RegisterTextSubsObject( class TEXT_BUFFER * pT );
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/*************************************************************
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**** temp functions for current debugging purposes only
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****/
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void Dump();
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/*************************************************************/
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void SetSearchPathsInOrder( char * p1, char *p2, char *p3 );
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void RegisterIt( char * );
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} ;
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typedef class _nfa_info NFA_INFO;
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#endif // __FILEHNDL_HXX__
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