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/*
* Seven Kingdoms: Ancient Adversaries
*
* Copyright 2018 Jesse Allen
*
* 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 : FilePath.h
//Description : Light string class with error checking to support safe path creation
#ifndef __FILEPATH_H
#define __FILEPATH_H
#include <GAMEDEF.h>
#include <string.h>
struct FilePath
{
enum { MAX_FILE_PATH = 260 }; // Windows: MAX_PATH=260
char str_buf[MAX_FILE_PATH];
char error_flag;
FilePath()
{
str_buf[0] = 0;
error_flag = 0;
}
FilePath(const char *s)
{
strcpy(str_buf, s);
error_flag = 0;
}
operator char*() { return str_buf; }
FilePath& operator=(const char *s)
{
strcpy(str_buf, s);
return *this;
}
FilePath& operator+=(const char *s)
{
size_t s_len = strlen(s);
if( !s_len )
return *this;
size_t buf_len = strlen(str_buf);
if( buf_len+s_len >= MAX_FILE_PATH )
{
error_flag = 1;
return *this;
}
memcpy(str_buf+buf_len, s, s_len+1);
return *this;
}
FilePath& operator/=(const char *s)
{
size_t s_len = strlen(s);
if( !s_len )
return *this;
size_t buf_len = strlen(str_buf);
size_t path_delim_len = strlen(PATH_DELIM);
if( buf_len+path_delim_len+s_len >= MAX_FILE_PATH )
{
error_flag = 1;
return *this;
}
memcpy(str_buf+buf_len, PATH_DELIM, path_delim_len);
memcpy(str_buf+buf_len+path_delim_len, s, s_len+1);
return *this;
}
};
#endif
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