<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>145528</bug_id>
          
          <creation_ts>2015-06-01 15:08:48 -0700</creation_ts>
          <short_desc>[Content Extensions] resource-type and load-type should be independent</short_desc>
          <delta_ts>2015-06-01 15:41:22 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>WebCore Misc.</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Alex Christensen">achristensen</reporter>
          <assigned_to name="Alex Christensen">achristensen</assigned_to>
          <cc>commit-queue</cc>
    
    <cc>japhet</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1098598</commentid>
    <comment_count>0</comment_count>
    <who name="Alex Christensen">achristensen</who>
    <bug_when>2015-06-01 15:08:48 -0700</bug_when>
    <thetext>Right now we use the same uint16_t to store all the load-type and resource-type flags, then we just do a bitwise and to check both at the same time.  This results in a trigger with load-type and resource-type firing if either condition is met, not both conditions.  A trigger with both resource-type and load-type conditions should only fire if both conditions are met.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1098599</commentid>
    <comment_count>1</comment_count>
      <attachid>254015</attachid>
    <who name="Alex Christensen">achristensen</who>
    <bug_when>2015-06-01 15:12:02 -0700</bug_when>
    <thetext>Created attachment 254015
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1098611</commentid>
    <comment_count>2</comment_count>
      <attachid>254015</attachid>
    <who name="Benjamin Poulain">benjamin</who>
    <bug_when>2015-06-01 15:32:58 -0700</bug_when>
    <thetext>Comment on attachment 254015
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=254015&amp;action=review

&gt; Source/WebCore/ChangeLog:8
&gt; +        Covered by existing tests and a new API test.

IMHO, you should explain the bug here. Having the explanation in bugzilla is not enough.

&gt; Source/WebCore/contentextensions/DFABytecodeInterpreter.cpp:81
&gt; +    bool shouldAppendAction = false;
&gt; +    if (shouldCheckLoadType &amp;&amp; shouldCheckResourceType)
&gt; +        shouldAppendAction = (flagsToCheck &amp; LoadTypeMask &amp; flags) &amp;&amp; (flagsToCheck &amp; ResourceTypeMask &amp; flags);
&gt; +    else if (shouldCheckLoadType)
&gt; +        shouldAppendAction = flagsToCheck &amp; LoadTypeMask &amp; flags;
&gt; +    else {
&gt; +        ASSERT(shouldCheckResourceType);
&gt; +        shouldAppendAction = flagsToCheck &amp; ResourceTypeMask &amp; flags;
&gt; +    }

What about:

uint16_t loadTypeFlags = flagsToCheck &amp; LoadTypeMask;
uint16_t ressourceTypeFlags = flagsToCheck &amp; ResourceTypeMask;

bool loadTypeMatches = loadTypeFlags ? (loadTypeFlags &amp; flags) : true;
bool ressourceTypeMatches = ressourceTypeFlags ? (ressourceTypeFlags &amp; flags) : true;

if (loadTypeMatches &amp;&amp; ressourceTypeMatches)
   ...</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1098612</commentid>
    <comment_count>3</comment_count>
    <who name="Alex Christensen">achristensen</who>
    <bug_when>2015-06-01 15:34:31 -0700</bug_when>
    <thetext>rdar://problem/21190765</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1098614</commentid>
    <comment_count>4</comment_count>
    <who name="Alex Christensen">achristensen</who>
    <bug_when>2015-06-01 15:41:22 -0700</bug_when>
    <thetext>http://trac.webkit.org/changeset/185079</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>254015</attachid>
            <date>2015-06-01 15:12:02 -0700</date>
            <delta_ts>2015-06-01 15:32:58 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-145528-20150601151144.patch</filename>
            <type>text/plain</type>
            <size>5631</size>
            <attacher name="Alex Christensen">achristensen</attacher>
            
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<flag name="review"
          id="278992"
          type_id="1"
          status="+"
          setter="benjamin"
    />
          </attachment>
      

    </bug>

</bugzilla>