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DirectoryBlob: Let DiscContent be backed by memory instead of file
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@ -14,6 +14,7 @@
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#include <set>
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#include <string>
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#include <utility>
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#include <variant>
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#include <vector>
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#include "Common/Align.h"
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@ -50,7 +51,12 @@ const std::array<u32, 10> PARTITION_TABLE = {
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Common::swap32(GAME_PARTITION_ADDRESS >> 2), 0}};
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DiscContent::DiscContent(u64 offset, u64 size, const std::string& path)
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: m_offset(offset), m_size(size), m_path(path)
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: m_offset(offset), m_size(size), m_content_source(path)
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{
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}
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DiscContent::DiscContent(u64 offset, u64 size, const u8* data)
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: m_offset(offset), m_size(size), m_content_source(data)
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{
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}
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@ -80,10 +86,18 @@ bool DiscContent::Read(u64* offset, u64* length, u8** buffer) const
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{
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const u64 bytes_to_read = std::min(m_size - offset_in_content, *length);
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File::IOFile file(m_path, "rb");
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file.Seek(offset_in_content, SEEK_SET);
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if (!file.ReadBytes(*buffer, bytes_to_read))
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return false;
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if (std::holds_alternative<std::string>(m_content_source))
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{
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File::IOFile file(std::get<std::string>(m_content_source), "rb");
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file.Seek(offset_in_content, SEEK_SET);
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if (!file.ReadBytes(*buffer, bytes_to_read))
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return false;
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}
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else
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{
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const u8* const content_pointer = std::get<const u8*>(m_content_source) + offset_in_content;
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std::copy(content_pointer, content_pointer + bytes_to_read, *buffer);
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}
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*length -= bytes_to_read;
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*buffer += bytes_to_read;
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