core: added ReadStdIn

implements a simple wrapper around reading stdin until EOF

2 files changed, 21 insertions, 0 deletions

diff --git a/zencore/filesystem.cpp b/zencore/filesystem.cpp
index bd85f5a11..01997daae 100644
--- a/zencore/filesystem.cpp
+++ b/zencore/filesystem.cpp
@@ -6,6 +6,7 @@
 #include <zencore/fmtutils.h>
 #include <zencore/iobuffer.h>
 #include <zencore/logging.h>
+#include <zencore/stream.h>
 #include <zencore/string.h>
 #include <zencore/testing.h>
 
@@ -637,6 +638,25 @@ FileContents::Flatten()
 }
 
 FileContents
+ReadStdIn()
+{
+	BinaryWriter Writer;
+
+	do
+	{
+		uint8_t ReadBuffer[1024];
+
+		size_t BytesRead = fread(ReadBuffer, 1, sizeof ReadBuffer, stdin);
+		Writer.Write(ReadBuffer, BytesRead);
+	} while (!feof(stdin));
+
+	FileContents Contents;
+	Contents.Data.emplace_back(IoBuffer(IoBuffer::Clone, Writer.GetData(), Writer.GetSize()));
+
+	return Contents;
+}
+
+FileContents
 ReadFile(std::filesystem::path Path)
 {
 	uint64_t FileSizeBytes;
diff --git a/zencore/include/zencore/filesystem.h b/zencore/include/zencore/filesystem.h
index 6d07a79b4..f49135687 100644
--- a/zencore/include/zencore/filesystem.h
+++ b/zencore/include/zencore/filesystem.h
@@ -46,6 +46,7 @@ struct FileContents
 	IoBuffer Flatten();
 };
 
+ZENCORE_API FileContents ReadStdIn();
 ZENCORE_API FileContents ReadFile(std::filesystem::path Path);
 ZENCORE_API bool ScanFile(std::filesystem::path Path, uint64_t ChunkSize, std::function<void(const void* Data, size_t Size)>&& ProcessFunc);
 ZENCORE_API void WriteFile(std::filesystem::path Path, const IoBuffer* const* Data, size_t BufferCount);