X-Git-Url: https://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=src%2Fsvgtiny.c;h=d16a761300ad7b0657eb7b59478a085af06b1cae;hb=b94bca14bb7cd65bda2a92454a17a2e0d0b7234c;hp=09adedc66799765c054267ba0c84269fa1e2aa96;hpb=437bbf937bf78d100180407e1e92dd881f170f63;p=libsvgtiny.git

diff --git a/src/svgtiny.c b/src/svgtiny.c
index 09adedc..d16a761 100644
--- a/src/svgtiny.c
+++ b/src/svgtiny.c
@@ -42,6 +42,8 @@
 
 static svgtiny_code svgtiny_parse_style_element(dom_element *style,
 		struct svgtiny_parse_state state);
+static css_stylesheet *svgtiny_parse_style_inline(const uint8_t *data,
+		size_t len);
 static svgtiny_code svgtiny_preparse_styles(dom_element *svg,
 		struct svgtiny_parse_state state);
 static svgtiny_code svgtiny_parse_svg(dom_element *svg,
@@ -772,27 +774,10 @@ svgtiny_code svgtiny_parse_style_element(dom_element *style,
 		struct svgtiny_parse_state state)
 {
 	css_stylesheet *sheet;
-	css_stylesheet_params params;
 	css_error code;
 	dom_exception exc;
 
-	params.params_version = CSS_STYLESHEET_PARAMS_VERSION_1;
-	params.level = CSS_LEVEL_DEFAULT;
-	params.charset = NULL;
-	params.url = "";
-	params.title = NULL;
-	params.allow_quirks = false;
-	params.inline_style = false;
-	params.resolve = svgtiny_resolve_url;
-	params.resolve_pw = NULL;
-	params.import = NULL;
-	params.import_pw = NULL;
-	params.color = NULL;
-	params.color_pw = NULL;
-	params.font = NULL;
-	params.font_pw = NULL;
-
-	code = css_stylesheet_create(&params, &sheet);
+	code = svgtiny_create_stylesheet(&sheet, false);
 	if (code != CSS_OK) {
 		return svgtiny_LIBCSS_ERROR;
 	}
@@ -851,6 +836,37 @@ svgtiny_code svgtiny_parse_style_element(dom_element *style,
 }
 
 
+/**
+ * Parse the contents of an inline style and return (a pointer to) the
+ * corresponding stylesheet for use with css_select_style(). Returns
+ * NULL if anything goes wrong.
+ */
+css_stylesheet *svgtiny_parse_style_inline(const uint8_t *data,
+		size_t len)
+{
+	css_stylesheet *sheet;
+	css_error code;
+
+	code = svgtiny_create_stylesheet(&sheet, true);
+	if (code != CSS_OK) {
+		return NULL;
+	}
+
+	code = css_stylesheet_append_data(sheet, data, len);
+	if (code != CSS_OK && code != CSS_NEEDDATA) {
+		css_stylesheet_destroy(sheet);
+		return NULL;
+	}
+
+	code = css_stylesheet_data_done(sheet);
+	if (code != CSS_OK) {
+		css_stylesheet_destroy(sheet);
+		return NULL;
+	}
+
+	return sheet;
+}
+
 /**
  * Parse all <style> elements within a root <svg> element. This
  * should be called before svgtiny_parse_svg() because that function
@@ -2039,6 +2055,13 @@ void svgtiny_parse_paint_attributes(dom_element *node,
 	dom_string *attr;
 	dom_exception exc;
 
+	/* We store the result of svgtiny_parse_style_inline() in
+	 * inline_sheet, and that function returns NULL on error; in
+	 * particular you do not need to css_stylesheet_destroy() the
+	 * result if it is NULL. We initialize inline_sheet to NULL to
+	 * retain the same semantics. */
+	css_stylesheet *inline_sheet = NULL;
+
 	exc = dom_element_get_attribute(node, state->interned_fill, &attr);
 	if (exc == DOM_NO_ERR && attr != NULL) {
 		svgtiny_parse_color(attr, &state->fill, &state->fill_grad, state);
@@ -2060,6 +2083,14 @@ void svgtiny_parse_paint_attributes(dom_element *node,
 
 	exc = dom_element_get_attribute(node, state->interned_style, &attr);
 	if (exc == DOM_NO_ERR && attr != NULL) {
+		/* First parse the style attribute into a libcss stylesheet
+		   in case any of its properties are known to libcss. */
+		inline_sheet = svgtiny_parse_style_inline(
+					(uint8_t *)dom_string_data(attr),
+					dom_string_byte_length(attr));
+
+		/* Parse any other properties "by hand" until they can
+		   be supported in libcss. */
 		char *style = strndup(dom_string_data(attr),
 				      dom_string_byte_length(attr));
 		const char *s;
@@ -2092,6 +2123,10 @@ void svgtiny_parse_paint_attributes(dom_element *node,
 		free(style);
 		dom_string_unref(attr);
 	}
+
+	if (inline_sheet != NULL) {
+		css_stylesheet_destroy(inline_sheet);
+	}
 }