From 8ce044444e124a8e806b3f23c5e4501fa08010dc Mon Sep 17 00:00:00 2001
From: Andrew Sidwell <andy@entai.co.uk>
Date: Fri, 11 Jul 2008 18:48:16 +0000
Subject: Get SVG support up-to-spec.

svn path=/trunk/hubbub/; revision=4615
---
 src/treebuilder/in_foreign_content.c | 80 +++++++++++++++++++++++++++++++++---
 src/treebuilder/internal.h           |  2 +
 2 files changed, 77 insertions(+), 5 deletions(-)

(limited to 'src')

diff --git a/src/treebuilder/in_foreign_content.c b/src/treebuilder/in_foreign_content.c
index ac42b4a..5887262 100644
--- a/src/treebuilder/in_foreign_content.c
+++ b/src/treebuilder/in_foreign_content.c
@@ -19,12 +19,14 @@
 
 #define S(s)		s, SLEN(s)
 
-static const struct
+typedef struct
 {
 	const char *attr;
-	size_t attr_len;
+	size_t len;
 	const char *proper;
-} svg_attributes[] = {
+} case_changes;
+
+static const case_changes svg_attributes[] = {
 	{ S("attributename"),		"attributeName" },
 	{ S("attributetype"),		"attributeType" },
 	{ S("basefrequency"),		"baseFrequency" },
@@ -89,6 +91,45 @@ static const struct
 	{ S("zoomandpan"),		"zoomAndPan" },
 };
 
+static const case_changes svg_tagnames[] = {
+	{ S("altglyph"),		"altGlyph" },
+	{ S("altglyphdef"),		"altGlyphDef" },
+	{ S("altglyphitem"),		"altGlyphItem" },
+	{ S("animatecolor"),		"animateColor" },
+	{ S("animatemotion"),		"animateMotion" },
+	{ S("animatetransform"),	"animateTransform" },
+	{ S("clippath"),		"clipPath" },
+	{ S("feblend"),			"feBlend" },
+	{ S("fecolormatrix"),		"feColorMatrix" },
+	{ S("fecomponenttransfer"),	"feComponentTransfer" },
+	{ S("fecomposite"),		"feComposite" },
+	{ S("feconvolvematrix"),	"feConvolveMatrix" },
+	{ S("fediffuselighting"),	"feDiffuseLighting" },
+	{ S("fedisplacementmap"),	"feDisplacementMap" },
+	{ S("fedistantlight"),		"feDistantLight" },
+	{ S("feflood"),			"feFlood" },
+	{ S("fefunca"),			"feFuncA" },
+	{ S("fefuncb"),			"feFuncB" },
+	{ S("fefuncg"),			"feFuncG" },
+	{ S("fefuncr"),			"feFuncR" },
+	{ S("fegaussianblur"),		"feGaussianBlur" },
+	{ S("feimage"),			"feImage" },
+	{ S("femerge"),			"feMerge" },
+	{ S("femergenode"),		"feMergeNode" },
+	{ S("femorphology"),		"feMorphology" },
+	{ S("feoffset"),		"feOffset" },
+	{ S("fepointlight"),		"fePointLight" },
+	{ S("fespecularlighting"),	"feSpecularLighting" },
+	{ S("fespotlight"),		"feSpotLight" },
+	{ S("fetile"),			"feTile" },
+	{ S("feturbulence"),		"feTurbulence" },
+	{ S("foreignobject"),		"foreignObject" },
+	{ S("glyphref"),		"glyphRef" },
+	{ S("lineargradient"),		"linearGradient" },
+	{ S("radialgradient"),		"radialGradient" },
+	{ S("textpath"),		"textPath" },
+};
+
 #undef S
 
 #define N_ELEMENTS(x)		(sizeof(x) / sizeof((x)[0]))
@@ -106,14 +147,14 @@ void adjust_svg_attributes(hubbub_treebuilder *treebuilder,
 	for (size_t i = 0; i < tag->n_attributes; i++) {
 		hubbub_attribute *attr = &tag->attributes[i];
 
-		uint8_t *name = (uint8_t *) treebuilder->input_buffer +
+		const uint8_t *name = treebuilder->input_buffer +
 				attr->name.data.off;
 		size_t len = attr->name.len;
 
 		for (size_t j = 0; j < N_ELEMENTS(svg_attributes); j++) {
 			if (hubbub_string_match(name, len,
 					(uint8_t *)svg_attributes[j].attr,
-					svg_attributes[j].attr_len)) {
+					svg_attributes[j].len)) {
 				attr->name.type = HUBBUB_STRING_PTR;
 				attr->name.data.ptr =
 					(uint8_t *)svg_attributes[j].proper;
@@ -122,6 +163,30 @@ void adjust_svg_attributes(hubbub_treebuilder *treebuilder,
 	}
 }
 
+/**
+ * Adjust SVG tagnmes.
+ *
+ * \param treebuilder	Treebuilder instance
+ * \param tag		Tag to adjust the name of
+ */
+void adjust_svg_tagname(hubbub_treebuilder *treebuilder,
+		hubbub_tag *tag)
+{
+	uint8_t *name = (uint8_t *) treebuilder->input_buffer +
+			tag->name.data.off;
+	size_t len = tag->name.len;
+
+	for (size_t i = 0; i < N_ELEMENTS(svg_tagnames); i++) {
+		if (hubbub_string_match(name, len,
+				(uint8_t *)svg_tagnames[i].attr,
+				svg_tagnames[i].len)) {
+			tag->name.type = HUBBUB_STRING_PTR;
+			tag->name.data.ptr =
+				(uint8_t *)svg_tagnames[i].proper;
+		}
+	}
+}
+
 
 
 #define S(s)		(uint8_t *) s, SLEN(s)
@@ -340,6 +405,11 @@ bool handle_in_foreign_content(hubbub_treebuilder *treebuilder,
 
 			adjust_foreign_attributes(treebuilder, &tag);
 
+			if (cur_node_ns == HUBBUB_NS_SVG) {
+				adjust_svg_tagname(treebuilder, &tag);
+				adjust_svg_attributes(treebuilder, &tag);
+			}
+
 			/* Set to the right namespace and insert */
 			tag.ns = cur_node_ns;
 
diff --git a/src/treebuilder/internal.h b/src/treebuilder/internal.h
index 3d65db7..fe57b74 100644
--- a/src/treebuilder/internal.h
+++ b/src/treebuilder/internal.h
@@ -177,6 +177,8 @@ bool formatting_list_replace(hubbub_treebuilder *treebuilder,
 /* in_foreign_content.c */
 void adjust_svg_attributes(hubbub_treebuilder *treebuilder,
 		hubbub_tag *tag);
+void adjust_svg_tagname(hubbub_treebuilder *treebuilder,
+		hubbub_tag *tag);
 void adjust_foreign_attributes(hubbub_treebuilder *treebuilder,
 		hubbub_tag *tag);
 
-- 
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