simple properties split in parse similar to select in preparation for future generation

svn path=/trunk/libcss/; revision=11188

1 files changed, 109 insertions, 0 deletions

diff --git a/src/parse/properties/border.c b/src/parse/properties/border.c
new file mode 100644
index 0000000..b90ca66
--- /dev/null
+++ b/src/parse/properties/border.c
@@ -0,0 +1,109 @@
+/*
+ * 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 <assert.h>
+#include <string.h>
+
+#include "bytecode/bytecode.h"
+#include "bytecode/opcodes.h"
+#include "parse/properties/properties.h"
+#include "parse/properties/utils.h"
+
+/**
+ * Parse border shorthand
+ *
+ * \param c	  Parsing context
+ * \param vector  Vector of tokens to process
+ * \param ctx	  Pointer to vector iteration context
+ * \param result  Pointer to location to receive resulting style
+ * \return CSS_OK on success,
+ *	   CSS_NOMEM on memory exhaustion,
+ *	   CSS_INVALID if the input is not valid
+ *
+ * Post condition: \a *ctx is updated with the next token to process
+ *		   If the input is invalid, then \a *ctx remains unchanged.
+ */
+css_error parse_border(css_language *c,
+		const parserutils_vector *vector, int *ctx,
+		css_style **result)
+{
+	int orig_ctx = *ctx;
+	css_style *top = NULL;
+	css_style *right = NULL;
+	css_style *bottom = NULL;
+	css_style *left = NULL;
+	css_style *ret = NULL;
+	uint32_t required_size;
+	css_error error;
+
+	error = parse_border_side(c, vector, ctx, BORDER_SIDE_TOP, &top);
+	if (error != CSS_OK)
+		goto cleanup;
+
+	*ctx = orig_ctx;
+	error = parse_border_side(c, vector, ctx, BORDER_SIDE_RIGHT, &right);
+	if (error != CSS_OK)
+		goto cleanup;
+
+	*ctx = orig_ctx;
+	error = parse_border_side(c, vector, ctx, BORDER_SIDE_BOTTOM, &bottom);
+	if (error != CSS_OK)
+		goto cleanup;
+
+	*ctx = orig_ctx;
+	error = parse_border_side(c, vector, ctx, BORDER_SIDE_LEFT, &left);
+	if (error != CSS_OK)
+		goto cleanup;
+
+	required_size = top->length + right->length + 
+			bottom->length + left->length;
+
+	error = css_stylesheet_style_create(c->sheet, required_size, &ret);
+	if (error != CSS_OK)
+		goto cleanup;
+
+	required_size = 0;
+
+	memcpy(((uint8_t *) ret->bytecode) + required_size, 
+			top->bytecode, top->length);
+	required_size += top->length;
+
+	memcpy(((uint8_t *) ret->bytecode) + required_size, 
+			right->bytecode, right->length);
+	required_size += right->length;
+
+	memcpy(((uint8_t *) ret->bytecode) + required_size, 
+			bottom->bytecode, bottom->length);
+	required_size += bottom->length;
+
+	memcpy(((uint8_t *) ret->bytecode) + required_size, 
+			left->bytecode, left->length);
+	required_size += left->length;
+
+	assert(required_size == ret->length);
+
+	*result = ret;
+	ret = NULL;
+
+	/* Clean up after ourselves */
+cleanup:
+	if (top)
+		css_stylesheet_style_destroy(c->sheet, top, error == CSS_OK);
+	if (right)
+		css_stylesheet_style_destroy(c->sheet, right, error == CSS_OK);
+	if (bottom)
+		css_stylesheet_style_destroy(c->sheet, bottom, error == CSS_OK);
+	if (left)
+		css_stylesheet_style_destroy(c->sheet, left, error == CSS_OK);
+	if (ret)
+		css_stylesheet_style_destroy(c->sheet, ret, error == CSS_OK);
+
+	if (error != CSS_OK)
+		*ctx = orig_ctx;
+
+	return error;
+}