added support for non-standard packages using gopkgdoc.appspot.com

fixed a bug for package alias handling when alias len > 1

Author: jtdeng

GoToDoc.py

@@ -29,13 +29,13 @@ def get_imports(src):
 	''''build a list of imported packages from src, each tuple is (pkg_alias, pkg_path)
 		[('', 'compress/bzip2'), ('E', 'errors'), ('.', 'archive/tar'), ('_', 'database/sql/driver')]
 	'''
-	single_import_pattern = ''' import \s+ (\w|\.){0,1} \s* "(.*?)"  '''
+	single_import_pattern = ''' import \s+ (\w+|\.){0,1} \s* "(.*?)"  '''
 	single_imports = re.findall(single_import_pattern, src, re.M | re.X | re.S)
 
 	multi_import_pattern0 = '''import \s* \(  (.*?) \)'''
 	multi_imports0 = re.findall(multi_import_pattern0, src, re.M | re.X | re.S)
 
-	multi_import_pattern = ''' (\w|\.){0,1} \s* "(.*?)"  '''
+	multi_import_pattern = ''' (\w+|\.){0,1} \s* "(.*?)"  '''
 	multi_imports = re.findall(multi_import_pattern, ''.join(multi_imports0), re.M | re.X | re.S)
 
 	return single_imports + multi_imports
@@ -51,8 +51,8 @@ def get_full_pkg(imports, pkg):
 	return ''		
 
 
-def get_pkg_doc_path(view, sel):
-	'''Find the full import path for the selected obj in src'''
+def get_pkg_doc_url(view, sel):
+	'''return pkg doc url for the selected obj in src'''
 	region = sublime.Region(0, view.size())
 	src = view.substr(region)
 	imports = get_imports(src)
@@ -70,10 +70,12 @@ def get_pkg_doc_path(view, sel):
 	fpkg = get_full_pkg(imports, pkg)
 	#print 'pkg:', pkg, 'typ:', typ, 'fpkg:', fpkg
 
-	if typ:
-		return fpkg + '/#' + typ
+	#check if it's non-std package like "launchpad.net/mgo"
+	if re.match('.*?\..*?/.*', fpkg):
+		return 'http://gopkgdoc.appspot.com/pkg/' + fpkg + '#' + typ	
 	else:
-		return fpkg	
+		return 'http://golang.org/pkg/' + fpkg + '/#' + typ
+
 
 
 
@@ -93,7 +95,7 @@ def run(self, edit):
 			elif sel_txt in GO_BUILTINS:
 				doc_url = 'http://golang.org/pkg/builtin/#' + sel_txt
 			else:
-				doc_url = 'http://golang.org/pkg/' + get_pkg_doc_path(self.view, sel)
+				doc_url = get_pkg_doc_url(self.view, sel)
 
 			webbrowser.open_new_tab(doc_url)