add onoff support for "inset-modify changetype xxx" in include inset

[lyx.git] / src / support / os_cygwin.cpp

diff --git a/src/support/os_cygwin.cpp b/src/support/os_cygwin.cpp
index 5fe8df378eb00e610eddef3a1409cca44d9defee..8ffaef55e4cd69ae9e62b9fa17f0a0d9f0008a20 100644 (file)
--- a/src/support/os_cygwin.cpp
+++ b/src/support/os_cygwin.cpp
@@ -167,6 +167,38 @@ docstring::size_type common_path(docstring const & p1, docstring const & p2)
 }
 
 
+bool path_prefix_is(string const & path, string const & pre)
+{
+       return path_prefix_is(const_cast<string &>(path), pre, CASE_UNCHANGED);
+}
+
+
+bool path_prefix_is(string & path, string const & pre, path_case how)
+{
+       docstring const p1 = from_utf8(path);
+       docstring const p2 = from_utf8(pre);
+       docstring::size_type const p1_len = p1.length();
+       docstring::size_type const p2_len = p2.length();
+       docstring::size_type common_len = common_path(p1, p2);
+
+       if (p2[p2_len - 1] == '/' && p1_len != p2_len)
+               ++common_len;
+
+       if (common_len != p2_len)
+               return false;
+
+       if (how == CASE_ADJUSTED && !prefixIs(path, pre)) {
+               if (p1_len < common_len)
+                       path = to_utf8(p2.substr(0, p1_len));
+               else
+                       path = to_utf8(p2 + p1.substr(common_len,
+                                                       p1_len - common_len));
+       }
+
+       return true;
+}
+
+
 string external_path(string const & p)
 {
        return convert_path(p, PathStyle(posix));