asar: Add support in fs.realpathSync

This commit is contained in:
Cheng Zhao 2014-09-30 14:53:41 +08:00
parent d77bf0440c
commit 885ac53a48
4 changed files with 48 additions and 4 deletions

View file

@ -65,6 +65,15 @@ class Archive : public mate::Wrappable {
return mate::ConvertToV8(isolate, files);
}
// Returns the path of file with symbol link resolved.
v8::Handle<v8::Value> Realpath(v8::Isolate* isolate,
const base::FilePath& path) {
base::FilePath realpath;
if (!archive_ || !archive_->Realpath(path, &realpath))
return v8::False(isolate);
return mate::ConvertToV8(isolate, realpath);
}
// Copy the file out into a temporary file and returns the new path.
v8::Handle<v8::Value> CopyFileOut(v8::Isolate* isolate,
const base::FilePath& path) {
@ -86,6 +95,7 @@ class Archive : public mate::Wrappable {
.SetMethod("getFileInfo", &Archive::GetFileInfo)
.SetMethod("stat", &Archive::Stat)
.SetMethod("readdir", &Archive::Readdir)
.SetMethod("realpath", &Archive::Realpath)
.SetMethod("copyFileOut", &Archive::CopyFileOut)
.SetMethod("destroy", &Archive::Destroy);
}

View file

@ -206,6 +206,24 @@ bool Archive::Readdir(const base::FilePath& path,
return true;
}
bool Archive::Realpath(const base::FilePath& path, base::FilePath* realpath) {
if (!header_)
return false;
const base::DictionaryValue* node;
if (!GetNodeFromPath(path.AsUTF8Unsafe(), header_.get(), &node))
return false;
std::string link;
if (node->GetString("link", &link)) {
*realpath = base::FilePath::FromUTF8Unsafe(link);
return true;
}
*realpath = path;
return true;
}
bool Archive::CopyFileOut(const base::FilePath& path, base::FilePath* out) {
if (external_files_.contains(path)) {
*out = external_files_.get(path)->path();

View file

@ -51,6 +51,9 @@ class Archive {
// Fs.readdir(path).
bool Readdir(const base::FilePath& path, std::vector<base::FilePath>* files);
// Fs.realpath(path).
bool Realpath(const base::FilePath& path, base::FilePath* realpath);
// Copy the file into a temporary file, and return the new path.
bool CopyFileOut(const base::FilePath& path, base::FilePath* out);

View file

@ -75,7 +75,7 @@ fs.lstat = (p, callback) ->
return lstat p, callback unless isAsar
archive = getOrCreateArchive asarPath
return callback throw new Error("Invalid package #{asarPath}") unless archive
return callback new Error("Invalid package #{asarPath}") unless archive
stats = getOrCreateArchive(asarPath).stat filePath
return callback createNotFoundError(asarPath, filePath) unless stats
@ -109,13 +109,26 @@ fs.statSyncNoException = (p) ->
return false unless stats
asarStatsToFsStats stats
realpathSync = fs.realpathSync
fs.realpathSync = (p) ->
[isAsar, asarPath, filePath] = splitPath p
return realpathSync.apply this, arguments unless isAsar
archive = getOrCreateArchive asarPath
throw new Error("Invalid package #{asarPath}") unless archive
real = archive.realpath filePath
throw createNotFoundError(asarPath, filePath) unless real
path.join realpathSync(asarPath), real
exists = fs.exists
fs.exists = (p, callback) ->
[isAsar, asarPath, filePath] = splitPath p
return exists p, callback unless isAsar
archive = getOrCreateArchive asarPath
return callback throw new Error("Invalid package #{asarPath}") unless archive
return callback new Error("Invalid package #{asarPath}") unless archive
process.nextTick -> callback archive.stat(filePath) isnt false
@ -140,7 +153,7 @@ fs.readFile = (p, options, callback) ->
options = undefined
archive = getOrCreateArchive asarPath
return callback throw new Error("Invalid package #{asarPath}") unless archive
return callback new Error("Invalid package #{asarPath}") unless archive
info = archive.getFileInfo filePath
return callback createNotFoundError(asarPath, filePath) unless info
@ -200,7 +213,7 @@ fs.readdir = (p, callback) ->
return readdir.apply this, arguments unless isAsar
archive = getOrCreateArchive asarPath
return callback throw new Error("Invalid package #{asarPath}") unless archive
return callback new Error("Invalid package #{asarPath}") unless archive
files = archive.readdir filePath
return callback createNotFoundError(asarPath, filePath) unless files