-libcss-align

svn path=/trunk/libcss/; revision=9378

1 files changed, 78 insertions, 0 deletions

diff --git a/src/parse/properties/text.c b/src/parse/properties/text.c
index 61ce60b..d3c81b5 100644
--- a/src/parse/properties/text.c
+++ b/src/parse/properties/text.c
@@ -850,3 +850,81 @@ css_error parse_word_spacing(css_language *c,
 	return CSS_OK;
 }
 
+/**
+ * Parse -libcss-align
+ *
+ * \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_libcss_align(css_language *c, 
+		const parserutils_vector *vector, int *ctx, 
+		css_style **result)
+{
+	int orig_ctx = *ctx;
+	css_error error;
+	const css_token *ident;
+	uint8_t flags = 0;
+	uint16_t value = 0;
+	uint32_t opv;
+	bool match;
+
+	/* IDENT (left, right, center, justify, inherit) */
+	ident = parserutils_vector_iterate(vector, ctx);
+	if (ident == NULL || ident->type != CSS_TOKEN_IDENT) {
+		*ctx = orig_ctx;
+		return CSS_INVALID;
+	}
+
+	if ((lwc_context_string_caseless_isequal(
+			c->sheet->dictionary,
+			ident->idata, c->strings[INHERIT],
+			&match) == lwc_error_ok && match)) {
+		flags |= FLAG_INHERIT;
+	} else if ((lwc_context_string_caseless_isequal(
+			c->sheet->dictionary,
+			ident->idata, c->strings[LEFT],
+			&match) == lwc_error_ok && match)) {
+		value = LIBCSS_ALIGN_LEFT;
+	} else if ((lwc_context_string_caseless_isequal(
+			c->sheet->dictionary,
+			ident->idata, c->strings[RIGHT],
+			&match) == lwc_error_ok && match)) {
+		value = LIBCSS_ALIGN_RIGHT;
+	} else if ((lwc_context_string_caseless_isequal(
+			c->sheet->dictionary,
+			ident->idata, c->strings[CENTER],
+			&match) == lwc_error_ok && match)) {
+		value = LIBCSS_ALIGN_CENTER;
+	} else if ((lwc_context_string_caseless_isequal(
+			c->sheet->dictionary,
+			ident->idata, c->strings[JUSTIFY],
+			&match) == lwc_error_ok && match)) {
+		value = LIBCSS_ALIGN_JUSTIFY;
+	} else {
+		*ctx = orig_ctx;
+		return CSS_INVALID;
+	}
+
+	opv = buildOPV(CSS_PROP_LIBCSS_ALIGN, flags, value);
+
+	/* Allocate result */
+	error = css_stylesheet_style_create(c->sheet, sizeof(opv), result);
+	if (error != CSS_OK) {
+		*ctx = orig_ctx;
+		return error;
+	}
+
+	/* Copy the bytecode to it */
+	memcpy((*result)->bytecode, &opv, sizeof(opv));
+
+	return CSS_OK;
+}
+