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-rw-r--r--source/slang/slang-file-system.h196
1 files changed, 62 insertions, 134 deletions
diff --git a/source/slang/slang-file-system.h b/source/slang/slang-file-system.h
index 199cafe24..d5145404d 100644
--- a/source/slang/slang-file-system.h
+++ b/source/slang/slang-file-system.h
@@ -13,8 +13,15 @@
namespace Slang
{
-// Implementation of ISlangFileSystemExt for the OS
-class OSFileSystemExt : public ISlangFileSystemExt
+enum class FileSystemStyle
+{
+ Load, ///< Equivalent to ISlangFileSystem
+ Ext, ///< Equivalent to ISlangFileSystemExt
+ Mutable, ///< Equivalent to ISlangModifyableFileSystem
+};
+
+// Can be used for all styles of file system
+class OSFileSystem : public ISlangMutableFileSystem
{
public:
// ISlangUnknown
@@ -24,83 +31,44 @@ public:
SLANG_NO_THROW uint32_t SLANG_MCALL release() SLANG_OVERRIDE { return 1; }
// ISlangFileSystem
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL loadFile(
- char const* path,
- ISlangBlob** outBlob) SLANG_OVERRIDE;
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL loadFile(char const* path, ISlangBlob** outBlob) SLANG_OVERRIDE;
// ISlangFileSystemExt
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL getFileUniqueIdentity(
- const char* path,
- ISlangBlob** uniqueIdentityOut) SLANG_OVERRIDE;
-
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL calcCombinedPath(
- SlangPathType fromPathType,
- const char* fromPath,
- const char* path,
- ISlangBlob** pathOut) SLANG_OVERRIDE;
-
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL getPathType(
- const char* path,
- SlangPathType* pathTypeOut) SLANG_OVERRIDE;
-
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL getSimplifiedPath(
- const char* path,
- ISlangBlob** outSimplifiedPath) SLANG_OVERRIDE;
-
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL getCanonicalPath(
- const char* path,
- ISlangBlob** outCanonicalPath) SLANG_OVERRIDE;
-
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL getFileUniqueIdentity(const char* path, ISlangBlob** uniqueIdentityOut) SLANG_OVERRIDE;
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL calcCombinedPath(SlangPathType fromPathType, const char* fromPath, const char* path, ISlangBlob** pathOut) SLANG_OVERRIDE;
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL getPathType(const char* path, SlangPathType* pathTypeOut) SLANG_OVERRIDE;
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL getSimplifiedPath(const char* path, ISlangBlob** outSimplifiedPath) SLANG_OVERRIDE;
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL getCanonicalPath(const char* path, ISlangBlob** outCanonicalPath) SLANG_OVERRIDE;
virtual SLANG_NO_THROW void SLANG_MCALL clearCache() SLANG_OVERRIDE {}
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL enumeratePathContents(const char* path, FileSystemContentsCallBack callback, void* userData) SLANG_OVERRIDE;
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL saveFile(
- const char* path,
- const void* data,
- size_t size) SLANG_OVERRIDE ;
-
+ // ISlangModifyableFileSystem
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL saveFile(const char* path, const void* data, size_t size) SLANG_OVERRIDE;
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL remove(const char* path) SLANG_OVERRIDE;
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL createDirectory(const char* path) SLANG_OVERRIDE;
/// Get a default instance
- static ISlangFileSystemExt* getSingleton() { return &s_singleton; }
+ static ISlangFileSystem* getLoadSingleton() { return &g_load; }
+ static ISlangFileSystemExt* getExtSingleton() { return &g_ext; }
+ static ISlangMutableFileSystem* getMutableSingleton() { return &g_mutable; }
private:
- /// Make so not constructible
- OSFileSystemExt() {}
- virtual ~OSFileSystemExt() {}
-
- ISlangUnknown* getInterface(const Guid& guid);
- static OSFileSystemExt s_singleton;
-};
-
-// Implementation of ISlangFileSystem for the OS (ie only has simplified interface of just loadFile)
-class OSFileSystem : public ISlangFileSystem
-{
-public:
- // ISlangUnknown
- SLANG_IUNKNOWN_QUERY_INTERFACE
- SLANG_NO_THROW uint32_t SLANG_MCALL addRef() SLANG_OVERRIDE { return 1; }
- SLANG_NO_THROW uint32_t SLANG_MCALL release() SLANG_OVERRIDE { return 1; }
-
- // ISlangFileSystem
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL loadFile(
- char const* path,
- ISlangBlob** outBlob) SLANG_OVERRIDE
- {
- // Can just use OsFileSystemExt impl
- return OSFileSystemExt::getSingleton()->loadFile(path, outBlob);
- }
-
- static ISlangFileSystem* getSingleton() { return &s_singleton; }
-
-private:
/// Make so not constructible
- OSFileSystem() {}
+ OSFileSystem(FileSystemStyle style):
+ m_style(style)
+ {}
+
virtual ~OSFileSystem() {}
ISlangUnknown* getInterface(const Guid& guid);
- static OSFileSystem s_singleton;
-};
+ FileSystemStyle m_style;
+
+ static OSFileSystem g_load;
+ static OSFileSystem g_ext;
+ static OSFileSystem g_mutable;
+};
#define SLANG_UUID_CacheFileSystem { 0x2f4d1d03, 0xa0d1, 0x434b, { 0x87, 0x7a, 0x65, 0x5, 0xa4, 0xa0, 0x9a, 0x3b } };
@@ -180,43 +148,16 @@ class CacheFileSystem: public ISlangFileSystemExt, public RefObject
SLANG_REF_OBJECT_IUNKNOWN_RELEASE
// ISlangFileSystem
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL loadFile(
- char const* path,
- ISlangBlob** outBlob) SLANG_OVERRIDE;
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL loadFile(char const* path, ISlangBlob** outBlob) SLANG_OVERRIDE;
// ISlangFileSystemExt
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL getFileUniqueIdentity(
- const char* path,
- ISlangBlob** outUniqueIdentity) SLANG_OVERRIDE;
-
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL calcCombinedPath(
- SlangPathType fromPathType,
- const char* fromPath,
- const char* path,
- ISlangBlob** pathOut) SLANG_OVERRIDE;
-
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL getPathType(
- const char* path,
- SlangPathType* outPathType) SLANG_OVERRIDE;
-
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL getSimplifiedPath(
- const char* path,
- ISlangBlob** outSimplifiedPath) SLANG_OVERRIDE;
-
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL getCanonicalPath(
- const char* path,
- ISlangBlob** outCanonicalPath) SLANG_OVERRIDE;
-
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL getFileUniqueIdentity(const char* path, ISlangBlob** outUniqueIdentity) SLANG_OVERRIDE;
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL calcCombinedPath(SlangPathType fromPathType, const char* fromPath, const char* path, ISlangBlob** pathOut) SLANG_OVERRIDE;
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL getPathType(const char* path, SlangPathType* outPathType) SLANG_OVERRIDE;
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL getSimplifiedPath(const char* path, ISlangBlob** outSimplifiedPath) SLANG_OVERRIDE;
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL getCanonicalPath(const char* path, ISlangBlob** outCanonicalPath) SLANG_OVERRIDE;
virtual SLANG_NO_THROW void SLANG_MCALL clearCache() SLANG_OVERRIDE;
-
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL saveFile(const char* path, const void* data, size_t size) SLANG_OVERRIDE
- {
- SLANG_UNUSED(path);
- SLANG_UNUSED(data);
- SLANG_UNUSED(size);
-
- return SLANG_E_NOT_IMPLEMENTED;
- }
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL enumeratePathContents(const char* path, FileSystemContentsCallBack callback, void* userData) SLANG_OVERRIDE;
/// Get the unique identity mode
UniqueIdentityMode getUniqueIdentityMode() const { return m_uniqueIdentityMode; }
@@ -236,8 +177,6 @@ class CacheFileSystem: public ISlangFileSystemExt, public RefObject
static const Result s_compressedResultToResult[int(CompressedResult::CountOf)];
protected:
- ISlangUnknown* getInterface(const Guid& guid);
-
/// Given a path, works out a uniqueIdentity, based on the uniqueIdentityMode. outFileContents will be set if file had to be read to produce the uniqueIdentity (ie with Hash)
SlangResult _calcUniqueIdentity(const String& path, String& outUniqueIdentity, ComPtr<ISlangBlob>& outFileContents);
@@ -249,6 +188,8 @@ protected:
/// Will simplify the path (if possible) to lookup on the pathCache else will create on uniqueIdentityMap
PathInfo* _resolveSimplifiedPathCacheInfo(const String& path);
+ SlangResult _getPathType(PathInfo* pathInfo, const char* inPath, SlangPathType* pathTypeOut);
+
/* TODO: This may be improved by mapping to a ISlangBlob. This makes output fast and easy, and if constructed
as a StringBlob, we can just static_cast to get as a string to use internally, instead of constantly converting.
It is probably the case we cannot do dynamic_cast on ISlangBlob if we don't know where constructed -> if outside of slang codebase
@@ -264,59 +205,46 @@ protected:
ComPtr<ISlangFileSystemExt> m_fileSystemExt; ///< Optionally set -> if nullptr will fall back on the m_fileSystem and emulate all the other methods of ISlangFileSystemExt
};
-class RelativeFileSystem : public ISlangFileSystemExt, public RefObject
+class RelativeFileSystem : public ISlangMutableFileSystem, public RefObject
{
public:
SLANG_REF_OBJECT_IUNKNOWN_ALL
// ISlangFileSystem
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL loadFile(
- char const* path,
- ISlangBlob** outBlob) SLANG_OVERRIDE;
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL loadFile(char const* path, ISlangBlob** outBlob) SLANG_OVERRIDE;
// ISlangFileSystemExt
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL getFileUniqueIdentity(
- const char* path,
- ISlangBlob** outUniqueIdentity) SLANG_OVERRIDE;
-
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL calcCombinedPath(
- SlangPathType fromPathType,
- const char* fromPath,
- const char* path,
- ISlangBlob** pathOut) SLANG_OVERRIDE;
-
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL getPathType(
- const char* path,
- SlangPathType* outPathType) SLANG_OVERRIDE;
-
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL getSimplifiedPath(
- const char* path,
- ISlangBlob** outSimplifiedPath) SLANG_OVERRIDE;
-
- virtual SLANG_NO_THROW SlangResult SLANG_MCALL getCanonicalPath(
- const char* path,
- ISlangBlob** outCanonicalPath) SLANG_OVERRIDE;
-
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL getFileUniqueIdentity(const char* path, ISlangBlob** outUniqueIdentity) SLANG_OVERRIDE;
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL calcCombinedPath(SlangPathType fromPathType, const char* fromPath, const char* path, ISlangBlob** pathOut) SLANG_OVERRIDE;
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL getPathType(const char* path, SlangPathType* outPathType) SLANG_OVERRIDE;
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL getSimplifiedPath(const char* path, ISlangBlob** outSimplifiedPath) SLANG_OVERRIDE;
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL getCanonicalPath(const char* path, ISlangBlob** outCanonicalPath) SLANG_OVERRIDE;
virtual SLANG_NO_THROW void SLANG_MCALL clearCache() SLANG_OVERRIDE;
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL enumeratePathContents(const char* path, FileSystemContentsCallBack callback, void* userData) SLANG_OVERRIDE;
+ // ISlangModifyableFileSystem
virtual SLANG_NO_THROW SlangResult SLANG_MCALL saveFile(const char* path, const void* data, size_t size) SLANG_OVERRIDE;
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL remove(const char* path) SLANG_OVERRIDE;
+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL createDirectory(const char* path) SLANG_OVERRIDE;
- RelativeFileSystem(ISlangFileSystemExt* fileSystem, const String& relativePath, bool stripPath = false):
- m_fileSystem(fileSystem),
- m_relativePath(relativePath),
- m_stripPath(stripPath)
- {
- }
+ RelativeFileSystem(ISlangFileSystem* fileSystem, const String& relativePath, bool stripPath = false);
protected:
+ ISlangFileSystemExt* _getExt() { return Index(m_style) >= Index(FileSystemStyle::Ext) ? reinterpret_cast<ISlangFileSystemExt*>(m_fileSystem.get()) : nullptr; }
+ ISlangMutableFileSystem* _getMutable() { return Index(m_style) >= Index(FileSystemStyle::Mutable) ? reinterpret_cast<ISlangMutableFileSystem*>(m_fileSystem.get()) : nullptr; }
+
+ SlangResult _calcCombinedPathInner(SlangPathType fromPathType, const char* fromPath, const char* path, ISlangBlob** pathOut);
+
SlangResult _getFixedPath(const char* path, String& outPath);
ISlangUnknown* getInterface(const Guid& guid);
bool m_stripPath;
- ComPtr<ISlangFileSystemExt> m_fileSystem;
+ FileSystemStyle m_style;
+ ComPtr<ISlangFileSystem> m_fileSystem; ///< NOTE! Has to match what's in style, such style can be reached via reinterpret_cast
+
String m_relativePath;
};
generated by cgit v1.2.3 (git 2.39.1) at 2026-06-06 06:21:43 +0000