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Loader: Updated read methods to be const 

- Required "file" handle to be made local and explicitly opened/closed as needed
This commit is contained in:
bunnei 2014-07-04 13:11:09 -04:00
parent 1ccdb6a769
commit 2c62d92551
5 changed files with 76 additions and 65 deletions
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2
src/core/file_sys/archive_romfs.cpp
View File

@ -11,7 +11,7 @@
namespace FileSys {
Archive_RomFS::Archive_RomFS(Loader::AppLoader& app_loader) {
Archive_RomFS::Archive_RomFS(const Loader::AppLoader& app_loader) {
// Load the RomFS from the app
if (Loader::ResultStatus::Success != app_loader.ReadRomFS(raw_data)) {
WARN_LOG(FILESYS, "Unable to read RomFS!");

2
src/core/file_sys/archive_romfs.h
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@ -19,7 +19,7 @@ namespace FileSys {
/// File system interface to the RomFS archive
class Archive_RomFS : public Archive {
public:
Archive_RomFS(Loader::AppLoader& app_loader);
Archive_RomFS(const Loader::AppLoader& app_loader);
~Archive_RomFS();
/**

10
src/core/loader/loader.h
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@ -51,7 +51,7 @@ public:
* @param buffer Reference to buffer to store data
* @return ResultStatus result of function
*/
virtual ResultStatus ReadCode(std::vector<u8>& buffer) {
virtual ResultStatus ReadCode(std::vector<u8>& buffer) const {
return ResultStatus::ErrorNotImplemented;
}
@ -60,7 +60,7 @@ public:
* @param buffer Reference to buffer to store data
* @return ResultStatus result of function
*/
virtual ResultStatus ReadIcon(std::vector<u8>& buffer) {
virtual ResultStatus ReadIcon(std::vector<u8>& buffer) const {
return ResultStatus::ErrorNotImplemented;
}
@ -69,7 +69,7 @@ public:
* @param buffer Reference to buffer to store data
* @return ResultStatus result of function
*/
virtual ResultStatus ReadBanner(std::vector<u8>& buffer) {
virtual ResultStatus ReadBanner(std::vector<u8>& buffer) const {
return ResultStatus::ErrorNotImplemented;
}
@ -78,7 +78,7 @@ public:
* @param buffer Reference to buffer to store data
* @return ResultStatus result of function
*/
virtual ResultStatus ReadLogo(std::vector<u8>& buffer) {
virtual ResultStatus ReadLogo(std::vector<u8>& buffer) const {
return ResultStatus::ErrorNotImplemented;
}
@ -87,7 +87,7 @@ public:
* @param buffer Reference to buffer to store data
* @return ResultStatus result of function
*/
virtual ResultStatus ReadRomFS(std::vector<u8>& buffer) {
virtual ResultStatus ReadRomFS(std::vector<u8>& buffer) const {
return ResultStatus::ErrorNotImplemented;
}
};

36
src/core/loader/ncch.cpp
View File

@ -113,15 +113,13 @@ AppLoader_NCCH::AppLoader_NCCH(const std::string& filename) {
/// AppLoader_NCCH destructor
AppLoader_NCCH::~AppLoader_NCCH() {
if (file.IsOpen())
file.Close();
}
/**
* Loads .code section into memory for booting
* @return ResultStatus result of function
*/
ResultStatus AppLoader_NCCH::LoadExec() {
ResultStatus AppLoader_NCCH::LoadExec() const {
if (!is_loaded)
return ResultStatus::ErrorNotLoaded;
@ -140,8 +138,10 @@ ResultStatus AppLoader_NCCH::LoadExec() {
* @param buffer Vector to read data into
* @return ResultStatus result of function
*/
ResultStatus AppLoader_NCCH::LoadSectionExeFS(const char* name, std::vector<u8>& buffer) {
ResultStatus AppLoader_NCCH::LoadSectionExeFS(const char* name, std::vector<u8>& buffer) const {
// Iterate through the ExeFs archive until we find the .code file...
File::IOFile file(filename, "rb");
if (file.IsOpen()) {
for (int i = 0; i < kMaxSections; i++) {
// Load the specified section...
if (strcmp((const char*)exefs_header.section[i].name, name) == 0) {
@ -169,13 +169,18 @@ ResultStatus AppLoader_NCCH::LoadSectionExeFS(const char* name, std::vector<u8>&
return ResultStatus::ErrorInvalidFormat;
}
// Section is uncompressed...
} else {
}
else {
buffer.resize(exefs_header.section[i].size);
file.ReadBytes(&buffer[0], exefs_header.section[i].size);
}
return ResultStatus::Success;
}
}
} else {
ERROR_LOG(LOADER, "Unable to read file %s!", filename.c_str());
return ResultStatus::Error;
}
return ResultStatus::ErrorNotUsed;
}
@ -191,8 +196,7 @@ ResultStatus AppLoader_NCCH::Load() {
if (is_loaded)
return ResultStatus::ErrorAlreadyLoaded;
file = File::IOFile(filename, "rb");
File::IOFile file(filename, "rb");
if (file.IsOpen()) {
file.ReadBytes(&ncch_header, sizeof(NCCH_Header));
@ -235,6 +239,8 @@ ResultStatus AppLoader_NCCH::Load() {
LoadExec(); // Load the executable into memory for booting
return ResultStatus::Success;
} else {
ERROR_LOG(LOADER, "Unable to read file %s!", filename.c_str());
}
return ResultStatus::Error;
}
@ -244,7 +250,7 @@ ResultStatus AppLoader_NCCH::Load() {
* @param buffer Reference to buffer to store data
* @return ResultStatus result of function
*/
ResultStatus AppLoader_NCCH::ReadCode(std::vector<u8>& buffer) {
ResultStatus AppLoader_NCCH::ReadCode(std::vector<u8>& buffer) const {
return LoadSectionExeFS(".code", buffer);
}
@ -253,7 +259,7 @@ ResultStatus AppLoader_NCCH::ReadCode(std::vector<u8>& buffer) {
* @param buffer Reference to buffer to store data
* @return ResultStatus result of function
*/
ResultStatus AppLoader_NCCH::ReadIcon(std::vector<u8>& buffer) {
ResultStatus AppLoader_NCCH::ReadIcon(std::vector<u8>& buffer) const {
return LoadSectionExeFS("icon", buffer);
}
@ -262,7 +268,7 @@ ResultStatus AppLoader_NCCH::ReadIcon(std::vector<u8>& buffer) {
* @param buffer Reference to buffer to store data
* @return ResultStatus result of function
*/
ResultStatus AppLoader_NCCH::ReadBanner(std::vector<u8>& buffer) {
ResultStatus AppLoader_NCCH::ReadBanner(std::vector<u8>& buffer) const {
return LoadSectionExeFS("banner", buffer);
}
@ -271,7 +277,7 @@ ResultStatus AppLoader_NCCH::ReadBanner(std::vector<u8>& buffer) {
* @param buffer Reference to buffer to store data
* @return ResultStatus result of function
*/
ResultStatus AppLoader_NCCH::ReadLogo(std::vector<u8>& buffer) {
ResultStatus AppLoader_NCCH::ReadLogo(std::vector<u8>& buffer) const {
return LoadSectionExeFS("logo", buffer);
}
@ -280,7 +286,9 @@ ResultStatus AppLoader_NCCH::ReadLogo(std::vector<u8>& buffer) {
* @param buffer Reference to buffer to store data
* @return ResultStatus result of function
*/
ResultStatus AppLoader_NCCH::ReadRomFS(std::vector<u8>& buffer) {
ResultStatus AppLoader_NCCH::ReadRomFS(std::vector<u8>& buffer) const {
File::IOFile file(filename, "rb");
if (file.IsOpen()) {
// Check if the NCCH has a RomFS...
if (ncch_header.romfs_offset != 0 && ncch_header.romfs_size != 0) {
u32 romfs_offset = ncch_offset + (ncch_header.romfs_offset * kBlockSize) + 0x1000;
@ -298,6 +306,10 @@ ResultStatus AppLoader_NCCH::ReadRomFS(std::vector<u8>& buffer) {
}
NOTICE_LOG(LOADER, "RomFS unused");
return ResultStatus::ErrorNotUsed;
} else {
ERROR_LOG(LOADER, "Unable to read file %s!", filename.c_str());
}
return ResultStatus::Error;
}
} // namespace Loader

15
src/core/loader/ncch.h
View File

@ -161,35 +161,35 @@ public:
* @param buffer Reference to buffer to store data
* @return ResultStatus result of function
*/
ResultStatus ReadCode(std::vector<u8>& buffer);
ResultStatus ReadCode(std::vector<u8>& buffer) const;
/**
* Get the icon (typically icon section) of the application
* @param buffer Reference to buffer to store data
* @return ResultStatus result of function
*/
ResultStatus ReadIcon(std::vector<u8>& buffer);
ResultStatus ReadIcon(std::vector<u8>& buffer) const;
/**
* Get the banner (typically banner section) of the application
* @param buffer Reference to buffer to store data
* @return ResultStatus result of function
*/
ResultStatus ReadBanner(std::vector<u8>& buffer);
ResultStatus ReadBanner(std::vector<u8>& buffer) const;
/**
* Get the logo (typically logo section) of the application
* @param buffer Reference to buffer to store data
* @return ResultStatus result of function
*/
ResultStatus ReadLogo(std::vector<u8>& buffer);
ResultStatus ReadLogo(std::vector<u8>& buffer) const;
/**
* Get the RomFS of the application
* @param buffer Reference to buffer to store data
* @return ResultStatus result of function
*/
ResultStatus ReadRomFS(std::vector<u8>& buffer);
ResultStatus ReadRomFS(std::vector<u8>& buffer) const;
private:
@ -199,15 +199,14 @@ private:
* @param buffer Vector to read data into
* @return ResultStatus result of function
*/
ResultStatus LoadSectionExeFS(const char* name, std::vector<u8>& buffer);
ResultStatus LoadSectionExeFS(const char* name, std::vector<u8>& buffer) const;
/**
* Loads .code section into memory for booting
* @return ResultStatus result of function
*/
ResultStatus LoadExec();
ResultStatus LoadExec() const;
File::IOFile file;
std::string filename;
bool is_loaded;