Beginnings of azimuth.

svn path=/trunk/libcss/; revision=5847

2 files changed, 70 insertions, 6 deletions

diff --git a/src/parse/properties.c b/src/parse/properties.c
index aceb720..b5b3025 100644
--- a/src/parse/properties.c
+++ b/src/parse/properties.c
@@ -452,11 +452,73 @@ css_error parse_azimuth(css_language *c,
 		const parserutils_vector *vector, int *ctx, 
 		css_style **result)
 {
-	/** \todo azimuth */
-	UNUSED(c);
-	UNUSED(vector);
-	UNUSED(ctx);
-	UNUSED(result);
+	css_error error;
+	const css_token *token;
+	uint8_t flags = 0;
+	uint16_t value = 0;
+	uint32_t opv;
+	fixed length = 0;
+	uint32_t unit = 0;
+	uint32_t required_size;
+
+	/* angle | [ IDENT(left-side, far-left, left, center-left, center, 
+	 *                 center-right, right, far-right, right-side) || 
+	 *           IDENT(behind) 
+	 *         ] 
+	 *       | IDENT(leftwards, rightwards, inherit)
+	 */
+	token = parserutils_vector_peek(vector, *ctx);
+	if (token == NULL)
+		return CSS_INVALID;
+
+	if (token->type == CSS_TOKEN_IDENT &&
+			token->lower.data == c->strings[INHERIT]) {
+		parserutils_vector_iterate(vector, ctx);
+		flags = FLAG_INHERIT;
+	} else if (token->type == CSS_TOKEN_IDENT &&
+			token->lower.data == c->strings[LEFTWARDS]) {
+		parserutils_vector_iterate(vector, ctx);
+		value = AZIMUTH_LEFTWARDS;
+	} else if (token->type == CSS_TOKEN_IDENT &&
+			token->lower.data == c->strings[RIGHTWARDS]) {
+		parserutils_vector_iterate(vector, ctx);
+		value = AZIMUTH_RIGHTWARDS;
+	} else if (token->type == CSS_TOKEN_IDENT) {
+		/** \todo the rest. behind on its own isn't defined afaics */
+	} else {
+		error = parse_unit_specifier(c, vector, ctx, &length, &unit);
+		if (error != CSS_OK)
+			return error;
+
+		if ((unit & UNIT_ANGLE) == false)
+			return CSS_INVALID;
+
+		value = AZIMUTH_ANGLE;
+	}
+
+	error = parse_important(c, vector, ctx, &flags);
+	if (error != CSS_OK)
+		return error;
+
+	opv = buildOPV(OP_AZIMUTH, flags, value);
+
+	required_size = sizeof(opv);
+	if ((flags & FLAG_INHERIT) == false && value == AZIMUTH_ANGLE)
+		required_size += sizeof(length) + sizeof(unit);
+
+	/* Allocate result */
+	error = css_stylesheet_style_create(c->sheet, required_size, result);
+	if (error != CSS_OK)
+		return error;
+
+	/* Copy the bytecode to it */
+	memcpy((*result)->bytecode, &opv, sizeof(opv));
+	if ((flags & FLAG_INHERIT) == false && value == AZIMUTH_ANGLE) {
+		memcpy(((uint8_t *) (*result)->bytecode) + sizeof(opv),
+				&length, sizeof(length));
+		memcpy(((uint8_t *) (*result)->bytecode) + sizeof(opv) +
+				sizeof(length), &unit, sizeof(unit));
+	}
 
 	return CSS_OK;
 }
diff --git a/src/parse/propstrings.h b/src/parse/propstrings.h
index 4050840..24858c0 100644
--- a/src/parse/propstrings.h
+++ b/src/parse/propstrings.h
@@ -59,7 +59,7 @@ enum {
 	SLOW, FAST, X_FAST, FASTER, SLOWER, CENTER, JUSTIFY, CAPITALIZE,
 	UPPERCASE, LOWERCASE, EMBED, BIDI_OVERRIDE, BASELINE, SUB, SUPER,
 	TEXT_TOP, MIDDLE, TEXT_BOTTOM, SILENT, X_SOFT, SOFT, LOUD, X_LOUD,
-	PRE, NOWRAP, PRE_WRAP, PRE_LINE,
+	PRE, NOWRAP, PRE_WRAP, PRE_LINE, LEFTWARDS, RIGHTWARDS,
 
 	LAST_KNOWN
 };
@@ -299,6 +299,8 @@ static struct {
 	{ "nowrap", SLEN("nowrap") },
 	{ "pre-wrap", SLEN("pre-wrap") },
 	{ "pre-line", SLEN("pre-line") },
+	{ "leftwards", SLEN("leftwards") },
+	{ "rightwards", SLEN("rightwards") },
 };
 
 #endif