CnC_Remastered_Collection/REDALERT/READLINE.CPP

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//
// Copyright 2020 Electronic Arts Inc.
//
// TiberianDawn.DLL and RedAlert.dll and corresponding source code 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 3 of the License, or (at your option) any later version.
// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
// in the hope that it will be useful, but with permitted additional restrictions
// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
// distributed with this program. You should have received a copy of the
// GNU General Public License along with permitted additional restrictions
// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
#include "function.h"
#include <ctype.h>
#include <string.h>
#include "wwfile.h"
#include "xstraw.h"
#include "readline.h"
// Disable the "temporary object used to initialize a non-constant reference" warning.
//#pragma warning 665 9
void strtrimcpp(char * buffer)
{
if (buffer) {
/*
** Strip leading white space from the string.
*/
char * source = buffer;
while (isspace(*source)) {
source++;
}
if (source != buffer) {
strcpy(buffer, source);
}
/*
** Clip trailing white space from the string.
*/
for (int index = strlen(buffer)-1; index >= 0; index--) {
if (isspace(buffer[index])) {
buffer[index] = '\0';
} else {
break;
}
}
}
}
int Read_Line(FileClass & file, char * buffer, int len, bool & eof)
{
return(Read_Line(FileStraw(file), buffer, len, eof));
}
int Read_Line(Straw & file, char * buffer, int len, bool & eof)
{
if (len == 0 || buffer == NULL) return(0);
int count = 0;
for (;;) {
char c;
if (file.Get(&c, sizeof(c)) != sizeof(c)) {
eof = true;
buffer[0] = '\0';
break;
}
if (c == '\x0A') break;
if (c != '\x0D' && count+1 < len) {
buffer[count++] = c;
}
}
buffer[count] = '\0';
strtrimcpp(buffer);
return(strlen(buffer));
}