Traversing the display list

本文介绍了一个用于Adobe Flash Platform的ActionScript 3.0 (AS3) 的函数,该函数可以递归地遍历显示列表并打印出每个显示对象及其名称。此功能对于调试和理解显示列表结构非常有用。
function traceDisplayList(container:DisplayObjectContainer,                                                indentString:String = ""):void
{
var child:DisplayObject;
for (var i:uint=0; i < container.numChildren; i++)
{
child = container.getChildAt(i);
trace(indentString, child, child.name);
if (container.getChildAt(i) is DisplayObjectContainer)
{
traceDisplayList(DisplayObjectContainer(child), indentString + " ")
}
}
}

To configure the PA Manager: To create a PA Manager, call cpssDxChPacketAnalyzerManagerCreate, with the managerId parameter set (beginning with 1). To enable the PA Manager, call cpssDxChPacketAnalyzerManagerEnableSet, with the enable parameter set to GT_TRUE. Verify the XML file specifying the i-Debug configuration specific for the device is loaded under the appropriate location. See i-Debug XML Files for locations per platform. Set the device associated with the PA Manager, by calling with the CPSS device number, commonly 0. Should the XML configuration file be missing from the appropriate location, the API returns GT_FAIL. To create a Logical key, call cpssDxChPacketAnalyzerLogicalKeyCreate with: Key ID and name (keyAttrPtr is pointer to key name) A list of stages (CPSS_DXCH_PACKET_ANALYZER_LOOKUP_STAGES_ENT) and fields (CPSS_DXCH_PACKET_ANALYZER_FIELD_ENT) filtered by key NOTE: The key contains only the list of fields. The values determining the sampling/filtering is set by rules using that key - in each rule a list of respective field values. fieldModePtr key creation mode set to ALL / PARTIAL (see table Field Assignment Modes – CPSS_DXCH_PACKET_ANALYZER_FIELD_ASSIGNMENT_MODE_ENT) To create an action, call cpssDxChPacketAnalyzerActionCreate with: Action ID Action to perform samplingEnable set to GT_TRUE To apply the action to descriptors with field values other than those specified in the rule, set inverseEnable to GT_TRUE To create a group of rules, call cpssDxChPacketAnalyzerGroupCreate with its ID and name. To add a rule to a group, call cpssDxChPacketAnalyzerGroupRuleAdd with the following parameters setup: managerId – PA Manager ID keyId – Key ID containing list of fields for which the rule should specify the values, and list of stages in which to match/test these fields groupId – Group ID ruleId – The new rule ID ruleAttPtr – The new rule name numOfFields and fieldsValueArr – Respectively, number and list of specified field values matching the key fields actionId – An existing action ID to perform upon a found match To add keys, actions, rules, and groups, repeat steps 6. through 9.. To activate a group, call cpssDxChPacketAnalyzerGroupActivateEnableSet with the group ID and the enable parameter set to GT_TRUE. Run traffic. To disable a group, call cpssDxChPacketAnalyzerGroupActivateEnableSet with the group ID and the enable parameter set to GT_FALSE. To obtain the list of sampled stages, call cpssDxChPacketAnalyzerRuleMatchStagesGet. To display the sampled data – counters, field names, and field values, for a specific stage, call cpssDxChPacketAnalyzerStageMatchDataGet or cpssDxChPacketAnalyzerStageMatchDataAllFieldsGet. The first returns the values of fields included as input in the field list, and the latter - the values for all stage fields. The numOfHits parameter of cpssDxChPacketAnalyzerStageMatchDataGet represents the match counter value (number of matches) Counting is performed regardless of whether sampling is disabled, and actionIdPtr counts the descriptors traversing the stage, without sampling them. Disabling sampling is achieved by calling cpssDxChPacketAnalyzerActionCreate or cpssDxChPacketAnalyzerActionUpdate with samplingEnable set to GT_FALSE in the action structure parameter.翻译并整理
09-13
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