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// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "platform.h"
#include "../math/vec2.h"
#include "../math/vec3.h"
#include "../math/vec4.h"
namespace embree
{
class IOStreamStateRestorer
{
public:
IOStreamStateRestorer(std::ostream& iostream)
: iostream(iostream), flags(iostream.flags()), precision(iostream.precision()) {
}
~IOStreamStateRestorer() {
iostream.flags(flags);
iostream.precision(precision);
}
private:
std::ostream& iostream;
std::ios::fmtflags flags;
std::streamsize precision;
};
struct IndentOStream : public std::streambuf
{
explicit IndentOStream(std::ostream &ostream, int indent = 2)
: streambuf(ostream.rdbuf())
, start_of_line(true)
, ident_str(indent, ' ')
, stream(&ostream)
{
// set streambuf of ostream to this and save original streambuf
stream->rdbuf(this);
}
virtual ~IndentOStream()
{
if (stream != NULL) {
// restore old streambuf
stream->rdbuf(streambuf);
}
}
protected:
virtual int overflow(int ch) {
if (start_of_line && ch != '\n') {
streambuf->sputn(ident_str.data(), ident_str.size());
}
start_of_line = ch == '\n';
return streambuf->sputc(ch);
}
private:
std::streambuf *streambuf;
bool start_of_line;
std::string ident_str;
std::ostream *stream;
};
std::string toLowerCase(const std::string& s);
std::string toUpperCase(const std::string& s);
Vec2f string_to_Vec2f ( std::string str );
Vec3f string_to_Vec3f ( std::string str );
Vec4f string_to_Vec4f ( std::string str );
}
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