Переписан для обычного diff

source/libxdiff/mmblocks.d

@@ -0,0 +1,41 @@
+module libxdiff.mmblocks;
+
+import xdiff;
+
+import libxdiff.init;
+
+import std.exception : enforce;
+import core.stdc.errno : errno;
+import core.stdc.string : strerror;
+import std.string : fromStringz;
+import std.conv : to;
+
+private enum DEFAULT_BSIZE = 8 * 1024;
+
+final class MMBlocks : MM
+{
+public:
+	this()
+	{
+		_inner = initMmfile(DEFAULT_BSIZE);
+	}
+
+	package(libxdiff) mmfile_t* ptr() @trusted
+	{
+		return &_inner;
+	}
+
+	const(ubyte)[] asSlice() @trusted
+	{
+		enforce(isCompact(), "MMFile must be compact for asSliceConst");
+		auto h = _inner.head;
+		return h is null || h.size <= 0 ? [] : (cast(const(ubyte)*) h.ptr)[0 .. h.size.to!size_t];
+	}
+
+	override string toString() const @trusted
+	{
+		enforce(isCompact(), "MMFile must be compact for asSliceConst");
+		auto h = _inner.head;
+		return h is null || h.size <= 0 ? [] : fromStringz(cast(const char*) h.ptr).idup;
+	}
+}