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authorMoonchild <mcwerewolf@gmail.com>2018-09-05 03:20:16 +0200
committerGitHub <noreply@github.com>2018-09-05 03:20:16 +0200
commitae432c63672cd4c24204b9dd4a92470a710d2d98 (patch)
tree303622d3452ebd43e8926611e6d89bb2248b9145 /dom/base/nsContentUtils.h
parentb28ab55f9675f2e97dda9a4fcac0d4f5267a2bb9 (diff)
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Bug 1357432 (#750)
* Part 1. Move IsLocalRefURL to nsContentUtils to reuse this function. (port-rewrite) `IsLocalRefURL` is originally designed to be used by URLValue only. Since we need this function in SVGUseElement::LookupHref too, move it to nsContentUtils as a util function. * Revert "Part 1. Move IsLocalRefURL to nsContentUtils to reuse this function. (port-rewrite)" This reverts commit 19f010c62022e269f99066a8d90e3522fe31adaf. * Part 1. Duplicate IsLocalRefURL to nsContentUtils to reuse this function. `IsLocalRefURL` is originally designed to be used by URLValue only. Since we need this function in SVGUseElement::LookupHref too, duplicate it to nsContentUtils as a util function. This is a duplication because CSSValue uses stringbuffers and not nsStrings. While Bug 1356060 - "Just use nsString in URLValueData" converts this use from stringbuffer to nsString, it builds on a bunch of vartype refactoring (nsString vs. nsAString, etc.) which is too much of a headache to deal with just to deduplicate this simple function. * Part 2. Implement nsSVGEffects::GetBaseURLForLocalRef to export local-ref-url-resolving logic. ResolveURLUsingLocalRef is designed to be internally used by nsSVGEffects::Get-{SVGEffect}-URI functions. Since we also need it in SVGUseElement::LookupHref, make it public in nsSVGEffects. * Part 3. Resolve local-ref in SVGUseElement::LookupHref by nsSVGEffects::GetBaseURLForLocalRef. * Part 4. Reftest for using local-ref as xlink:href value.
Diffstat (limited to 'dom/base/nsContentUtils.h')
-rw-r--r--dom/base/nsContentUtils.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/dom/base/nsContentUtils.h b/dom/base/nsContentUtils.h
index 9ae6d2155..c255f813a 100644
--- a/dom/base/nsContentUtils.h
+++ b/dom/base/nsContentUtils.h
@@ -2730,6 +2730,13 @@ public:
static bool AttemptLargeAllocationLoad(nsIHttpChannel* aChannel);
+ /**
+ * Detect whether a string is a (CSS) local-url.
+ * https://drafts.csswg.org/css-values/#local-urls
+ */
+ static bool
+ IsLocalRefURL(const nsString& aString);
+
private:
static bool InitializeEventTable();