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