| // Copyright 2012 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include"dbus/string_util.h" |
| |
| #include<stddef.h> |
| |
| #include"base/strings/string_util.h" |
| |
| namespace dbus{ |
| |
| // This implementation is based upon D-Bus Specification Version 0.19. |
| boolIsValidObjectPath(const std::string& value){ |
| // A valid object path begins with '/'. |
| if(!base::StartsWith(value,"/", base::CompareCase::SENSITIVE)) |
| returnfalse; |
| |
| // Elements are pieces delimited by '/'. For instance, "org", "chromium", |
| // "Foo" are elements of "/org/chromium/Foo". |
| int element_length=0; |
| for(size_t i=1; i< value.size();++i){ |
| constchar c= value[i]; |
| if(c=='/'){ |
| // No element may be the empty string. |
| if(element_length==0) |
| returnfalse; |
| element_length=0; |
| }else{ |
| // Each element must only contain "[A-Z][a-z][0-9]_". |
| constbool is_valid_character= |
| ('A'<= c&& c<='Z')||('a'<= c&& c<='z')|| |
| ('0'<= c&& c<='9')|| c=='_'; |
| if(!is_valid_character) |
| returnfalse; |
| element_length++; |
| } |
| } |
| |
| // A trailing '/' character is not allowed unless the path is the root path. |
| if(value.size()>1&& |
| base::EndsWith(value,"/", base::CompareCase::SENSITIVE)) |
| returnfalse; |
| |
| returntrue; |
| } |
| |
| }// namespace dbus |
