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-rw-r--r--src/select/properties/clear.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/src/select/properties/clear.c b/src/select/properties/clear.c
new file mode 100644
index 0000000..03cf4f0
--- /dev/null
+++ b/src/select/properties/clear.c
@@ -0,0 +1,78 @@
+/*
+ * This file is part of LibCSS
+ * Licensed under the MIT License,
+ * http://www.opensource.org/licenses/mit-license.php
+ * Copyright 2009 John-Mark Bell <jmb@netsurf-browser.org>
+ */
+
+#include "bytecode/bytecode.h"
+#include "bytecode/opcodes.h"
+#include "select/propset.h"
+#include "select/propget.h"
+#include "utils/utils.h"
+
+#include "select/properties/properties.h"
+#include "select/properties/helpers.h"
+
+css_error cascade_clear(uint32_t opv, css_style *style,
+ css_select_state *state)
+{
+ uint16_t value = CSS_CLEAR_INHERIT;
+
+ UNUSED(style);
+
+ if (isInherit(opv) == false) {
+ switch (getValue(opv)) {
+ case CLEAR_NONE:
+ value = CSS_CLEAR_NONE;
+ break;
+ case CLEAR_LEFT:
+ value = CSS_CLEAR_LEFT;
+ break;
+ case CLEAR_RIGHT:
+ value = CSS_CLEAR_RIGHT;
+ break;
+ case CLEAR_BOTH:
+ value = CSS_CLEAR_BOTH;
+ break;
+ }
+ }
+
+ if (outranks_existing(getOpcode(opv), isImportant(opv), state,
+ isInherit(opv))) {
+ return set_clear(state->result, value);
+ }
+
+ return CSS_OK;
+}
+
+css_error set_clear_from_hint(const css_hint *hint,
+ css_computed_style *style)
+{
+ return set_clear(style, hint->status);
+}
+
+css_error initial_clear(css_select_state *state)
+{
+ return set_clear(state->result, CSS_CLEAR_NONE);
+}
+
+css_error compose_clear(const css_computed_style *parent,
+ const css_computed_style *child,
+ css_computed_style *result)
+{
+ uint8_t type = get_clear(child);
+
+ if (type == CSS_CLEAR_INHERIT) {
+ type = get_clear(parent);
+ }
+
+ return set_clear(result, type);
+}
+
+uint32_t destroy_clear(void *bytecode)
+{
+ UNUSED(bytecode);
+
+ return sizeof(uint32_t);
+}