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[nostalgia/tools] Add NostalgiaPack library

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This commit is contained in:
Gary Talent
2019-06-16 22:42:03 -05:00
parent 5ceb0e5f83
commit 5f41a2665b
7 changed files with 87 additions and 150 deletions
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src/nostalgia/tools/pack/pack.cpp
+55 -9
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@@ -14,11 +14,18 @@
namespace nostalgia {
namespace {
[[nodiscard]] static constexpr bool endsWith(std::string_view str, std::string_view ending) {
return str.size() >= ending.size() && str.substr(str.size() - ending.size()) == ending;
}
// stub for now
/**
* Convert path references to inodes to save space
* @param buff buffer holding file
* @return error
* stub for now
*/
ox::Error pathToInode(std::vector<char>*) {
return OxError(0);
}
@@ -28,6 +35,34 @@ ox::Error toMetalClaw(std::vector<char>*) {
return OxError(0);
}
// claw file transformations are broken out because path to inode
// transformations need to be done after the copy to the new FS is complete
ox::Error transformClaw(ox::FileSystem32 *dest, std::string path) {
// copy
dest->ls(path.c_str(), [dest, path](const char *name, ox::InodeId_t) {
auto stat = dest->stat(path.c_str());
oxReturnError(stat.error);
if (stat.value.fileType == ox::FileType_Directory) {
const auto dir = path + name + '/';
oxReturnError(transformClaw(dest, dir));
} else {
// do transforms
if (endsWith(path, ".claw")) {
// load file
std::vector<char> buff(stat.value.size);
oxReturnError(dest->read(path.c_str(), buff.data(), buff.size()));
// do transformations
oxReturnError(pathToInode(&buff));
oxReturnError(toMetalClaw(&buff));
// write file to dest
oxReturnError(dest->write(path.c_str(), buff.data(), buff.size()));
}
}
return OxError(0);
});
return OxError(0);
}
ox::Error copy(ox::PassThroughFS *src, ox::FileSystem32 *dest, std::string path) {
// copy
src->ls(path.c_str(), [src, dest, path](const char *name, ox::InodeId_t) {
@@ -38,16 +73,19 @@ ox::Error copy(ox::PassThroughFS *src, ox::FileSystem32 *dest, std::string path)
oxReturnError(dest->mkdir(dir.c_str()));
oxReturnError(copy(src, dest, dir));
} else {
std::vector<char> buff(stat.value.size);
// load file
oxReturnError(src->read(path.c_str(), buff.data(), buff.size()));
std::vector<char> buff;
// do transforms
if (endsWith(path, ".claw")) {
oxReturnError(pathToInode(&buff));
oxReturnError(toMetalClaw(&buff));
} else if (endsWith(path, ".png")) {
if (endsWith(path, ".png")) {
// load file from full path and transform
const auto fullPath = src->basePath() + path;
oxReturnError(pngToGba(fullPath.c_str(), 0, 0));
buff = pngToGba(fullPath.c_str(), 0, 0);
if (!buff.size()) {
return OxError(1);
}
} else {
// load file
buff.resize(stat.value.size);
oxReturnError(src->read(path.c_str(), buff.data(), buff.size()));
}
// write file to dest
oxReturnError(dest->write(path.c_str(), buff.data(), buff.size()));
@@ -58,3 +96,11 @@ ox::Error copy(ox::PassThroughFS *src, ox::FileSystem32 *dest, std::string path)
}
}
ox::Error pack(ox::PassThroughFS *src, ox::FileSystem32 *dest, std::string path) {
oxReturnError(copy(src, dest, path));
oxReturnError(transformClaw(dest, path));
return OxError(0);
}
}