flatten 20260225

tjp/core/file/write.cpp

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+// TJP COPYRIGHT HEADER
+
+
+#ifdef TJP_CORE_HEADER_ONLY
+	#pragma once
+#endif
+
+#include <tjp/core/header_only/compile.h>
+
+#include "write.hpp"
+#include <tjp/core/exception/Exception.hpp>
+#include "../random/file_name.hpp"
+#include "times.hpp"
+
+#include <cstdio>
+#include <fstream>
+
+namespace tjp::core::file {
+
+TJP_CORE_HEADER_ONLY_INLINE
+bool write(const String &path_, const ContentsView &contents, const WriteOptions &options)
+{
+	auto path = String(path_);
+	auto random_ = random::file_name();
+	
+	auto extension = "." + random_;
+	auto temporary = path + extension;
+	
+	std::ofstream file(temporary, std::ios::binary);
+	if (!file)
+		return false;
+		
+	file.write(contents.data(), contents.size());
+	file.close();
+	
+	remove(path.c_str());
+	if (rename(temporary.c_str(), path.c_str()))
+		return false;
+		
+	if (options.lastModifiedTime)
+		setFileLastModifiedTime(path, options.lastModifiedTime);
+	
+	return true;
+}
+
+TJP_CORE_HEADER_ONLY_INLINE
+void require_write(const String &path, const ContentsView &contents, const WriteOptions &options)
+{
+	if (!write(path, contents, options))
+		throw Exception { "failed to write file " + String(path) };
+}
+
+TJP_CORE_HEADER_ONLY_INLINE
+bool write(const StringView &path, const ContentsView &contents, const WriteOptions &options)
+{
+	return write(String(path), contents, options);
+}
+
+TJP_CORE_HEADER_ONLY_INLINE
+void require_write(const StringView &path, const ContentsView &contents, const WriteOptions &options)
+{
+	return require_write(String(path), contents, options);
+}
+
+
+} // namespace