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/* Starshatter: The Open Source Project
Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
Copyright (c) 1997-2006, Destroyer Studios LLC.
AUTHOR: John DiCamillo
OVERVIEW
========
Implementation of the Reader class
*/
#include "MemDebug.h"
#include "Reader.h"
#include <stdio.h>
#include <fstream>
#include <ctype.h>
#include "Utils.h"
// +-------------------------------------------------------------------+
Text
ConsoleReader::more()
{
// loop until the user types something
do {
printPrimaryPrompt();
fillInputBuffer();
} while (! *p);
return Text(p);
}
void
ConsoleReader::printPrimaryPrompt()
{
printf("- ");
}
void
ConsoleReader::fillInputBuffer()
{
fgets(buffer, 980, stdin);
p = buffer;
while (isspace(*p)) p++;
}
// +-------------------------------------------------------------------+
FileReader::FileReader(const char* fname)
: filename(fname), done(0)
{ }
Text
FileReader::more()
{
if (done) return Text();
std::fstream fin(filename, std::fstream::in);
if (!fin) {
Print("ERROR(Parse): Could not open file '%s'\n", filename.data());
return Text();
}
Text result;
char buf[1000], newline;
while (fin.get(buf, 1000)) {
result.append(buf);
fin.get(newline);
result.append(newline);
}
done = 1;
return result;
}
// +-------------------------------------------------------------------+
BlockReader::BlockReader(const char* block)
: data((char*) block), done(0), length(0)
{ }
BlockReader::BlockReader(const char* block, int len)
: data((char*) block), done(0), length(len)
{ }
Text
BlockReader::more()
{
if (done) return Text();
if (length) {
Text result(data, length);
done = 1;
return result;
}
else if (data) {
Text result(data);
done = 1;
return result;
}
done = 1;
return Text();
}
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