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annotate anagram/agcore/textfile.h @ 4:bebb2ba69e1d

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maybe help with getting tex to fail properly on error
author David A. Holland
date Sat, 18 Apr 2020 17:12:17 -0400
parents 13d2b8934445
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * AnaGram, A System for Syntax Directed Programming
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3 * Copyright 1993-2002 Parsifal Software. All Rights Reserved.
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4 * See the file COPYING for license and usage terms.
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5 *
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6 * textfile.h
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7 */
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8
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9 #ifndef TEXTFILE_H
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10 #define TEXTFILE_H
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11
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12 #include "agarray.h"
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13 #include "agstring.h"
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14 #include "cint.h"
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15 #include "search.h"
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16
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17 class text_file {
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18 public:
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19 AgString name; /* name of file */
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20 AgString text; /* body of file */
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21 AgArray<int> lx; /* array of line indices */
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22 unsigned width; /* length of longest line? */
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23 unsigned stringLength;
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24 int truncated;
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25 int readFlags;
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26
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27 // Constructors
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28
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29 text_file(void) : lx(), width(0) {}
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30 text_file(const char *);
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31 text_file(const AgString s);
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32 text_file(const char *, int flags /* = O_TEXT|O_RDONLY */);
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33 text_file(const AgString s, int flags /* = O_TEXT|O_RDONLY */);
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34
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35 text_file(const text_file &t);
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36
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37 text_file &operator = (const text_file &t);
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38 void find_lines(void);
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39 void read_file(int flags);
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40 void read_file();
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41 cint size() const { return cint(width, lx.size()); }
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42 operator char * (void) const { return text.pointer(); }
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43 operator unsigned char * (void) const {
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44 return (unsigned char *) text.pointer();
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45 }
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46 char *line(const unsigned ln) const { return text.pointer() + lx[ln]; }
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47
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48 SearchProcess searchProcess;
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49 int findNext(cint &loc, AgString s);
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50 int findPrev(cint &loc, AgString s);
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51 };
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52
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53 #endif /* TEXTFILE_H */