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Shareware 1 2 the Maxx
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PROGRAM
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CHARTP10.ZIP
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RULES.CPP
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C/C++ Source or Header
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1992-01-26
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1KB
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56 lines
// Copyright 1992, David Perelman-Hall & Jamshid Afshar
#include <fstream.h>
#include <strstream.h>
#include <string.h>
#include "rules.h"
ostream& operator << ( ostream& os, const Rule& rule )
{
os << rule._lhs << " -> " << rule._rhs;
return os;
}
RuleList::RuleList()
: _num(0)
{
}
const MAX_LINE = 260;
void RuleList::read(const char *file_name)
{
ifstream infile(file_name);
char buff[MAX_LINE];
while (infile.good()) {
infile.getline(buff, MAX_LINE);
if (infile.eof()) break;
add(buff);
}
}
void RuleList::add(const char *rule_str)
{
assert(_num < MAX_RULES);
char temp_rule_str[MAX_LINE];
strcpy(temp_rule_str, rule_str);
istrstream rule_stream(temp_rule_str, strlen(rule_str)+1);
char cat_str[MAX_STRING_LEN];
rule_stream >> cat_str;
_arr[_num]._lhs = Category(cat_str);
_arr[_num]._rhs.clear();
while (rule_stream.good()) {
rule_stream >> cat_str;
_arr[_num]._rhs += Category(cat_str);
}
cout << "Adding rule: " << _arr[_num] << "\n";
_num++;
}