[IE] First round of ATL removal

src/plugin/PluginUtil.h

 #pragma once
 #include <string>
-
-class BString
-{
-public:
-  BString(const std::wstring& value);
-  ~BString();
-  operator BSTR();
-private:
-  BSTR value;
-  BString(const BString&);
-  BString& operator=(const BString&);
-};
+#include <WTypes.h>
 
 std::wstring HtmlFolderPath();
 std::wstring UserSettingsFileUrl();
 std::wstring FirstRunPageFileUrl();
 std::wstring FileUrl(const std::wstring& url);
 void ReplaceString(std::wstring& input, const std::wstring placeholder, const std::wstring replacement);
+
+namespace ABP {

[Oleksandr, 2014/06/26 00:48:43]

I'd rather have the namespace called AdblockPlus.IE. We use AdblockPlus
namespace in libadblockplus.

[Eric, 2014/06/26 15:13:56]

I don't have a firm opinion on these namespace names.

I would, however, rather do all the renaming and code movement in a later
change.

+  namespace util {
+    bool wstring_equal_ci( std::wstring & a, std::wstring & b );
+
+    template< size_t N >
+    inline bool begins_with( const std::wstring s, const wchar_t ( & beginning )[N] )
+    {
+      return 0 == s.compare( 0, N-1, beginning );
+    }
+
+    inline bool begins_with( const std::wstring s, std::wstring beginning )
+    {
+      return 0 == s.compare( 0, beginning.length(), beginning );
+    }
+
+    /**
+     * Remove both leading and trailing whitespace characters from the argument.
+     *
+     * Whitespace characters are SP, CR, LF, and TAB.
+     */
+    void trim( std::wstring & s );
+
+    /**
+     * Remove leading whitespace characters from the argument.
+     *
+     * Whitespace characters are SP, CR, LF, and TAB.
+     */
+    void trim_leading( std::wstring & s );
+
+    /**
+     * Remove trailing whitespace characters from the argument.
+     *
+     * Whitespace characters are SP, CR, LF, and TAB.
+     */
+    void trim_trailing( std::wstring & s );
+
+    /**
+     */
+    void to_lower( std::wstring & s );
+
+    /**
+     * Parses out the first token in a string, starting at position 'start'.
+     * Alters 'start' to be the position of the character following the final delimiter, or 'npos' if the source is exhausted.
+     *
+     * Replaces CString::Tokenize.
+     */
+    std::wstring extract_token( const std::wstring source, size_t & start, const std::wstring tokens = L" \t\n\r" );
+  }
+}