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/*
* Seven Kingdoms: Ancient Adversaries
*
* Copyright 1997,1998 Enlight Software Ltd.
*
* 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, see <http://www.gnu.org/licenses/>.
*
*/
//Filename : OFILETXT.H
//Description : Header file for text file stream
#ifndef __FILETXT_H
#define __FILETXT_H
#ifndef __OFILE_H
#include <OFILE.h>
#endif
//--------- Define control characters ------------//
#define CHAR_EOF '\x1A' // End of file character
#define CHAR_PAGE_BREAK '~' // Page Break
#define CHAR_RETURN '\r' // Carriage return
#define CHAR_LINE_FEED '\n' // Line feed
//--------------------------------------//
class FileTxt : public File
{
public:
char *data_ptr;
private:
enum { MAX_TOKEN_LEN=30 };
char *data_buf;
char token_buf[MAX_TOKEN_LEN];
long file_length;
public:
FileTxt(char* fileName);
FileTxt(File* filePtr, int dataSize);
~FileTxt();
char* next_line();
char* locate_word(char*);
char get_char(int=1);
char* get_token(int=1);
double get_num();
void read_line(char*,int);
int read_paragraph(char*,int);
long file_size() { return file_length; }
int is_eof() { return *data_ptr == CHAR_EOF; }
// Match and advance data_ptr functions
size_t match_chars(const char *cc);
size_t match_chars_ex(const char *cc);
size_t match_str(const char *str);
};
// Match an unordered class of characters of cc beginning at data_ptr. Matches
// of the same characters may happen multiple times. Advance data_ptr if there
// is a match. Return the character match count.
inline size_t FileTxt::match_chars(const char *cc)
{
size_t c = strspn(data_ptr, cc);
data_ptr += c;
return c;
}
// Match an unordered class of characters of exlucsive of the list in cc
// beginning at data_ptr. Matches of the same characters may happen multiple
// times. Advance data_ptr if there is a match. Return the match count.
inline size_t FileTxt::match_chars_ex(const char *cc)
{
size_t c = strcspn(data_ptr, cc);
data_ptr += c;
return c;
}
// Match character sequence of str, stopping before null, beginning at
// data_ptr. Advance data_ptr if there is an exact match. Return the match
// count.
inline size_t FileTxt::match_str(const char *str)
{
size_t c = strlen(str);
if( !strncmp(data_ptr, str, c) )
{
data_ptr += c;
return c;
}
return 0;
}
#endif
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