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#ifndef __LOADFILE_H__ /* file wrapper */
#define __LOADFILE_H__
/*
* Jeffrey Friedl
* Omron Corporation ʳ
* Nagaokakyoshi, Japan 617Ĺ
*
* jfriedl@nff.ncl.omron.co.jp
*
* This work is placed under the terms of the GNU General Purpose License
* (the "GNU Copyleft").
*
* October 1993
*
* Routine to load a file and to load, create, and/or write an accompanying
* index. WRT loadfile, a "file" is a rather high-level object that has
* an index and other substructures associated with it.
*
* On a lower level is "readfile" which deals with filesystem files
* as singular entities.
*/
#define loadfile_version 102 /* 1.02 */
#include "longlinenote.h"
#include "index.h"
#include "virtfile.h"
/*
* Info about a loaded file. Here, a "file" is rather high-level concept.
*/
struct fileinfo
{
VirtFile *v; /* pointer to virtual file */
const char *short_filename; /* short name of file */
const struct index *index; /* index for file */
const char *indexfile; /* name of file index was read from */
};
/*
* Load a named text file, and automatically load or calculate an index
* for it. Also can write the index to a file (these options controlled
* by the FLAGS given below).
*/
extern struct fileinfo *
loadfile(const char *filename, unsigned percent, unsigned flags);
/* These flags must be distinct from those in index.h */
#define LOADFILE_WRITEINDEX 0x00010000
#define LOADFILE_READINDEX 0x00020000
#define LOADFILE_NO_MEM_INDEX 0x00040000
#define LOADFILE_READifPRESENT 0x00080000
/*
* File extension expected for index read and written by loadfile.
*/
#define LOADFILE_INDEX_EXTENTION ".jin" /* jeff's index */
/*
* Given the name of a text file, return the name of its associated index
* file (or what it would be called were it to exist). The returned string
* should eventually be free'd by the user.
*/
extern char *indexfile_name(const char *datafile_name);
#endif /* file wrapper */
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