1 files changed, 119 insertions, 0 deletions
diff --git a/src/streams-handles.cpp b/src/streams-handles.cpp
new file mode 100644
index 000000000..0990d0589
--- /dev/null
+++ b/src/streams-handles.cpp
@@ -0,0 +1,119 @@
+/*
+ * IO layer : handles for URIs
+ *
+ * Authors:
+ *   Johan Ceuppens <jceuppen at easynet dot be>
+ *
+ * Copyright (C) 2004 Johan Ceuppens
+ *
+ * Released under GNU LGPL, read the file 'COPYING.LIB' for more information
+ */
+
+#include "streams-handles.h"
+#include "uri.h"
+
+#include <iostream>
+
+namespace Inkscape {
+
+/**
+ * FileHandle
+ */
+
+int FileHandle::open(URI const& uri, char const* mode)
+{
+    if (sys_open(uri, mode) == 0)
+	return 0;
+    else
+	return 1;
+}
+
+FILE *FileHandle::sys_open(URI const& uri, char const* mode)
+{    
+    gchar *filename = uri.toNativeFilename();
+
+    if ((fp = std::fopen(filename, mode)) == 0) {
+	error("fopen");
+    }
+#ifdef DEBUG_STREAMS
+    std::cout<<"file opened fp="<<fp<<std::endl;
+#endif
+    return fp;
+}
+
+void FileHandle::close()
+{
+    sys_close();
+}
+
+void FileHandle::sys_close()
+{
+    fclose(fp);
+}
+
+int FileHandle::read(void *buf, int buflen)
+{
+    return sys_read(buf, buflen);
+}
+
+int FileHandle::sys_read (void *buf, int buflen) throw(ReadException)
+{
+    int nbytes = 0;
+    if ((nbytes = std::fread(buf, 1, buflen, fp)) < 0) {
+	if (ferror(fp)) {
+	    error("fread");
+	    throw ReadException();
+	}
+    }
+    if (nbytes == 0)
+	return EOF;
+    else
+	return nbytes;
+}
+
+int FileHandle::write (void const *buf, int buflen)
+{
+    return sys_write(buf, buflen);
+}
+
+int FileHandle::sys_write (void const *buf, int buflen) throw(WriteException)
+{
+    int nbytes = 0;
+    if ((nbytes = std::fwrite(buf, 1, buflen, fp)) < 0) {
+	error("fwrite");
+	throw WriteException();
+    }
+    
+    return nbytes;    
+}
+
+int FileHandle::seek(long offset, int whence)
+{
+    return sys_seek(offset, whence);
+}
+
+int FileHandle::sys_seek(long offset, int whence)
+{
+    int result;
+    if ((result = fseek(fp, offset, whence)) < 0) {
+	error("fseek");
+    }
+    return result;
+}
+void FileHandle::error(char const *errstr)
+{
+    std::cerr<<"error FileHandle: "<<errstr<<std::endl;
+}
+
+} // namespace Inkscape
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :