Add asar.stat method.
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0d09143a77
commit
8199ad2ae6
3 changed files with 67 additions and 10 deletions
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@ -42,6 +42,24 @@ bool GetNodeFromPath(std::string path,
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return GetChildNode(path, root, out);
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}
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bool FillFileInfoWithNode(Archive::FileInfo* info,
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uint32 header_size,
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const base::DictionaryValue* node) {
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std::string offset;
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if (!node->GetString("offset", &offset))
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return false;
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if (!base::StringToUint64(offset, &info->offset))
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return false;
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int size;
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if (!node->GetInteger("size", &size))
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return false;
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info->offset += header_size;
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info->size = static_cast<uint32>(size);
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return true;
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}
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} // namespace
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Archive::Archive(const base::FilePath& path)
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@ -113,19 +131,30 @@ bool Archive::GetFileInfo(const base::FilePath& path, FileInfo* info) {
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if (node->GetString("link", &link))
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return GetFileInfo(base::FilePath::FromUTF8Unsafe(link), info);
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std::string offset;
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if (!node->GetString("offset", &offset))
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return false;
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if (!base::StringToUint64(offset, &info->offset))
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return FillFileInfoWithNode(info, header_size_, node);
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}
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bool Archive::Stat(const base::FilePath& path, Stats* stats) {
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if (!header_)
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return false;
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int size;
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if (!node->GetInteger("size", &size))
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const base::DictionaryValue* node;
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if (!GetNodeFromPath(path.AsUTF8Unsafe(), header_.get(), &node))
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return false;
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info->offset += header_size_;
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info->size = static_cast<uint32>(size);
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return true;
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if (node->HasKey("link")) {
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stats->is_file = false;
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stats->is_link = true;
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return true;
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}
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if (node->HasKey("files")) {
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stats->is_file = false;
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stats->is_directory = true;
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return true;
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}
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return FillFileInfoWithNode(stats, header_size_, node);
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}
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} // namespace asar
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@ -18,10 +18,18 @@ namespace asar {
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class Archive : public base::RefCounted<Archive> {
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public:
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struct FileInfo {
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FileInfo() : size(0), offset(0) {}
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uint32 size;
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uint64 offset;
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};
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struct Stats : public FileInfo {
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Stats() : is_file(true), is_directory(false), is_link(false) {}
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bool is_file;
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bool is_directory;
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bool is_link;
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};
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explicit Archive(const base::FilePath& path);
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// Read and parse the header.
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@ -30,6 +38,9 @@ class Archive : public base::RefCounted<Archive> {
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// Get the info of a file.
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bool GetFileInfo(const base::FilePath& path, FileInfo* info);
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// Fs.stat(path).
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bool Stat(const base::FilePath& path, Stats* stats);
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base::FilePath path() const { return path_; }
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base::DictionaryValue* header() const { return header_.get(); }
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