Sync w/ build system

src/FileMetadataFeature.cpp

@@ -0,0 +1,135 @@
+// Copyright (c) 2022 Robin Davies
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#include "pch.h"
+#include "FileMetadataFeature.hpp"
+#include "AudioFiles.hpp"
+#include "Lv2Log.hpp"
+#include "ss.hpp"
+
+#include "lv2/lv2plug.in/ns/ext/buf-size/buf-size.h"
+using namespace pipedal;
+
+FileMetadataFeature::FileMetadataFeature()
+{
+    feature.URI = PIPEDAL__FILE_METADATA_FEATURE;
+    feature.data = &interface;
+    interface.handle = (void *)this;
+    interface.setFileMetadata = &FileMetadataFeature::S_setFileMetadata;
+    interface.getFileMetadata = &FileMetadataFeature::S_getFileMetadata;
+
+    xxx publish the feature. 
+    xxx restrict to tracks directory.
+}
+
+FileMetadataFeature::~FileMetadataFeature()
+{
+}
+void FileMetadataFeature::Prepare(MapFeature &map)
+{
+    this->mapFeature = ↦
+}
+
+PIPEDAL_FileMetadata_Status FileMetadataFeature::setFileMetadata(
+    const char *absolute_path,
+    LV2_URID key,
+    const char *fileMetadata)
+{
+    const char *strKey = mapFeature->UridToString(key);
+    if (strKey == nullptr)
+    {
+        return PIPEDAL_FILE_METADATA_INVALID_KEY;
+    }
+    std::filesystem::path path{absolute_path};
+
+    if (!std::filesystem::exists(path))
+    {
+        return PIPEDAL_FILE_METADATA_INVALID_PATH; // File does not exist
+    }
+    if (!std::filesystem::is_regular_file(path))
+    {
+        return PIPEDAL_FILE_METADATA_INVALID_PATH; // Not a regular file
+    }
+    try {
+        AudioDirectoryInfo::Ptr audioDirectoryInfo = AudioDirectoryInfo::Create(path.parent_path());
+        audioDirectoryInfo->SetFileMetadata(path.filename(), strKey, fileMetadata);
+    } catch (const std::exception&e) {
+        Lv2Log::error(SS("Failed to create AudioDirectoryInfo for " << path << ": " << e.what()));
+        return PIPEDAL_FILE_METADATA_INVALID_PATH; // Failed to create AudioDirectoryInfo
+    }
+
+
+    return PIPEDAL_FILE_METADATA_SUCCESS; // TODO: Implement this
+}
+
+uint32_t FileMetadataFeature::getFileMetadata(
+    const char *absolute_path,
+    LV2_URID key,
+    char *fileMetadata,
+    uint32_t fileMetadataSize)
+{
+    const char *strKey = mapFeature->UridToString(key);
+    if (strKey == nullptr)
+    {
+        return PIPEDAL_FILE_METADATA_INVALID_KEY;
+    }
+
+    std::filesystem::path path{absolute_path};
+
+    AudioDirectoryInfo::Ptr audioDirectoryInfo = AudioDirectoryInfo::Create(path.parent_path());
+
+    std::string metadata = audioDirectoryInfo->GetFileMetadata(path.filename(), strKey);
+    if (metadata.empty())
+    {
+        return 0; // No metadata found
+    }
+    size_t required = metadata.size() + 1;
+    if (required >= std::numeric_limits<uint32_t>::max())
+    {
+        return PIPEDAL_FILE_METADATA_ERR_UNKNOWNM; // Metadata too large
+    }
+    if (fileMetadata == nullptr || required > fileMetadataSize)
+    {
+        return static_cast<uint32_t>(required); // Return size needed including null terminator
+    }
+    if (fileMetadataSize < metadata.length() + 1)
+    {
+        return static_cast<uint32_t>(metadata.size() + 1); // Return size needed including null terminator
+    }
+    std::strncpy(fileMetadata, metadata.c_str(), fileMetadataSize);
+    return required;
+}
+
+PIPEDAL_FileMetadata_Status FileMetadataFeature::S_setFileMetadata(
+    PIPEDAL_FILE_METADATA_Handle handle,
+    const char *absolute_path,
+    LV2_URID key,
+    const char *fileMetadata)
+{
+    return ((FileMetadataFeature *)handle)->setFileMetadata(absolute_path, key, fileMetadata);
+}
+uint32_t FileMetadataFeature::S_getFileMetadata(
+    PIPEDAL_FILE_METADATA_Handle handle, 
+    LV2_URID key, 
+    const char *absolute_path, 
+    char *buffer, 
+    uint32_t bufferSize)
+{
+    return ((FileMetadataFeature *)handle)->getFileMetadata(absolute_path, key, buffer, bufferSize);
+}