diff options
Diffstat (limited to 'source/core/slang-io.cpp')
| -rw-r--r-- | source/core/slang-io.cpp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/source/core/slang-io.cpp b/source/core/slang-io.cpp index 8e7266dc5..2e2ec3d8b 100644 --- a/source/core/slang-io.cpp +++ b/source/core/slang-io.cpp @@ -832,6 +832,68 @@ namespace Slang return _Move(buffer); } + SlangResult File::readAllBytes(const String& path, ScopedAllocation& out) + { + try + { + FileStream stream(path, FileMode::Open, FileAccess::Read, FileShare::ReadWrite); + + const Int64 start = stream.getPosition(); + stream.seek(SeekOrigin::End, 0); + const Int64 end = stream.getPosition(); + stream.seek(SeekOrigin::Start, start); + + const Int64 positionSizeInBytes = end - start; + + if (UInt64(positionSizeInBytes) > UInt64(~size_t(0))) + { + // It's too large to fit in memory. + return SLANG_FAIL; + } + + const size_t sizeInBytes = size_t(positionSizeInBytes); + void* data = out.allocate(sizeInBytes); + if (!data) + { + return SLANG_E_OUT_OF_MEMORY; + } + + const size_t readSizeInBytes = stream.read(data, sizeInBytes); + + // If not all read just return an error + if (sizeInBytes != readSizeInBytes) + { + return SLANG_FAIL; + } + } + catch (const IOException&) + { + return SLANG_FAIL; + } + return SLANG_OK; + } + + SlangResult File::writeAllBytes(const String& path, const void* data, size_t size) + { + try + { + FileStream stream(path, FileMode::Create, FileAccess::Write, FileShare::ReadWrite); + + const size_t writeSizeInBytes = stream.write(data, size); + + // If not all written just return an error + if (size != writeSizeInBytes) + { + return SLANG_FAIL; + } + } + catch (const IOException&) + { + return SLANG_FAIL; + } + return SLANG_OK; + } + void File::writeAllText(const Slang::String& fileName, const Slang::String& text) { StreamWriter writer(new FileStream(fileName, FileMode::Create)); |
