/// <summary>
/// Initializes a new instance of the Violation class.
/// </summary>
/// <param name="rule">The rule that triggered the violation.</param>
/// <param name="element">The element that this violation appears in.</param>
/// <param name="line">The line in the source code where the violation occurs.</param>
/// <param name="message">The context message for the violation.</param>
internal Violation(Rule rule, ICodeElement element, int line, string message)
{
Param.AssertNotNull(rule, "rule");
Param.Ignore(element);
Param.AssertGreaterThanOrEqualToZero(line, "line");
Param.AssertNotNull(message, "message");
this.rule = rule;
this.element = element;
this.line = line;
this.message = message;
if (this.element != null && this.element.Document != null)
{
this.sourceCode = this.element.Document.SourceCode;
}
}
/// <summary>
/// Parses the given Xml document and loads the rules.
/// </summary>
/// <param name="rulesNode">The rules node.</param>
/// <param name="ruleGroup">The optional rule group name.</param>
/// <param name="isKnownAssembly">Indicates whether the add-in comes from a known assembly.</param>
private void AddRulesFromXml(XmlNode rulesNode, string ruleGroup, bool isKnownAssembly)
{
Param.AssertNotNull(rulesNode, "rulesNode");
Param.Ignore(ruleGroup);
Param.Ignore(isKnownAssembly);
foreach (XmlNode rule in rulesNode.ChildNodes)
{
// Look for the Rule nodes.
if (rule.Name == "RuleGroup")
{
// This is a rule group containing child rules. Extract the name of the group.
XmlAttribute groupName = rule.Attributes["Name"];
if (groupName == null || groupName.Value.Length == 0)
{
throw new ArgumentException(Strings.RuleGroupHasNoNameAttribute);
}
// Extract the rules under this group.
this.AddRulesFromXml(rule, groupName.Value, isKnownAssembly);
}
else if (rule.Name == "Rule")
{
// Get the name, check-id, and context and throw an exception if any of these doesn't exist.
XmlNode ruleName = rule.Attributes["Name"];
if (ruleName == null || ruleName.Value.Length == 0)
{
throw new ArgumentException(Strings.RuleHasNoNameAttribute);
}
XmlNode ruleCheckId = rule.Attributes["CheckId"];
if (ruleCheckId == null || ruleCheckId.Value.Length == 0)
{
throw new ArgumentException(string.Format(
CultureInfo.CurrentCulture, Strings.RuleHasNoCheckIdAttribute, ruleName.Value));
}
// Validate the check-id to determine whether it uses the default prefix code.
if (ruleCheckId.Value.StartsWith(DefaultCheckIdPrefix, StringComparison.Ordinal) && !isKnownAssembly)
{
throw new ArgumentException(
string.Format(CultureInfo.CurrentCulture, Strings.UnknownAssemblyUsingDefaultCheckIdPrefix, ruleCheckId.Value));
}
XmlNode ruleContext = rule["Context"];
if (ruleContext == null || ruleContext.InnerText.Length == 0)
{
throw new ArgumentException(
string.Format(CultureInfo.CurrentCulture, Strings.RuleHasNoContextElement, ruleName.Value));
}
string context = TrimXmlContent(ruleContext.InnerText);
if (string.IsNullOrEmpty(context))
{
throw new ArgumentException(string.Format(
CultureInfo.CurrentCulture, Strings.RuleHasNoContextElement, ruleName.Value));
}
// Get the optional description node.
XmlNode ruleDescription = rule["Description"];
// Get the optional warning attribute.
XmlAttribute warning = rule.Attributes["Warning"];
// Get the optional disabledByDefault attribute.
XmlAttribute disabledByDefault = rule.Attributes["DisabledByDefault"];
// Get the optional can disable attribute.
XmlAttribute canDisable = rule.Attributes["CanDisable"];
// Disabled by default defaults to false.
bool disabledByDefaultValue = disabledByDefault == null ? false : Convert.ToBoolean(disabledByDefault.Value, CultureInfo.InvariantCulture);
// Can disable defaults to true.
bool canDisableValue = canDisable == null ? true : Convert.ToBoolean(canDisable.Value, CultureInfo.InvariantCulture);
// Warning defaults to false.
bool warningValue = warning == null ? false : Convert.ToBoolean(warning.Value, CultureInfo.InvariantCulture);
// Add the rule.
if (this.rules.ContainsKey(ruleName.Value))
{
throw new ArgumentException(Strings.RuleWithSameNameExists);
}
Rule type = new Rule(
ruleName.Value,
this.id,
ruleCheckId.Value,
context,
warningValue,
ruleDescription == null ? string.Empty : TrimXmlContent(ruleDescription.InnerText),
ruleGroup,
!disabledByDefaultValue,
canDisableValue);
this.rules.Add(ruleName.Value, type);
}
}
}
/// <summary>
/// Gets a value indicating whether the given rule is suppressed for the given element.
/// </summary>
/// <param name="element">The element to check.</param>
/// <param name="rule">The rule to check.</param>
/// <returns>Returns true if the rule is suppressed; otherwise false.</returns>
public virtual bool IsRuleSuppressed(ICodeElement element, Rule rule)
{
Param.Ignore(element, rule);
return false;
}
/// <summary>
/// Checks whether specified rule is suppressed.
/// </summary>
public override bool IsRuleSuppressed(ICodeElement element, Rule rule)
{
return false;
}
private void InitializeRuleCheckedState(Rule rule, TreeNode ruleNode)
{
SourceAnalyzer tag = null;
for (TreeNode node = ruleNode.Parent; node != null; node = node.Parent)
{
tag = node.Tag as SourceAnalyzer;
if (tag != null)
{
break;
}
}
BooleanProperty property = tag.GetRuleSetting(this.tabControl.MergedSettings, rule.Name, "Enabled") as BooleanProperty;
if (property == null)
{
ruleNode.Checked = rule.EnabledByDefault;
}
else
{
ruleNode.Checked = property.Value;
}
}
/// <summary>
/// Imports the cached violations under the given node.
/// </summary>
/// <param name="sourceCode">The source code containing the violations.</param>
/// <param name="parentNode">The parent xml node containing the list of violations.</param>
/// <returns>Returns true if all the data was loaded successfully from the file.</returns>
internal bool ImportViolations(SourceCode sourceCode, XmlNode parentNode)
{
Param.AssertNotNull(sourceCode, "sourceCode");
Param.AssertNotNull(parentNode, "parentNode");
bool success = true;
try
{
XmlNodeList violations = parentNode.SelectNodes("violation");
if (violations != null && violations.Count > 0)
{
foreach (XmlNode violationNode in violations)
{
// Get the violation data from the xml node.
XmlNode nameSpace = violationNode.SelectSingleNode("@namespace");
XmlNode ruleName = violationNode.SelectSingleNode("@rule");
XmlNode ruleCheckId = violationNode.SelectSingleNode("@ruleCheckId");
XmlNode context = violationNode.SelectSingleNode("context");
XmlNode lineNumber = violationNode.SelectSingleNode("line");
XmlNode warning = violationNode.SelectSingleNode("warning");
// Create a Rule object representing this data.
Rule rule = new Rule(
ruleName.InnerText,
nameSpace.InnerText,
ruleCheckId.InnerText,
context.InnerText,
Convert.ToBoolean(warning.InnerText, CultureInfo.InvariantCulture));
// Create a Violation object representing this data.
Violation violation = new Violation(
rule,
sourceCode,
Convert.ToInt32(lineNumber.InnerText, null),
context.InnerText);
this.AddViolation(violation);
}
}
}
catch (ArgumentException)
{
success = false;
}
catch (XmlException)
{
success = false;
}
catch (FormatException)
{
success = false;
}
catch (OverflowException)
{
success = false;
}
return success;
}
/// <summary>
/// Adds a generic violation.
/// </summary>
/// <param name="sourceCode">The source code document to add the violation to.</param>
/// <param name="type">The type of violation to add.</param>
/// <param name="line">Line the violation appears on.</param>
/// <param name="values">The string values to add to the context string.</param>
internal void AddViolation(SourceCode sourceCode, Rule type, int line, params object[] values)
{
Param.Ignore(sourceCode);
Param.AssertNotNull(type, "type");
Param.AssertGreaterThanZero(line, "line");
Param.Ignore(values);
// Build up the context string.
StringBuilder message = new StringBuilder();
message.AppendFormat(CultureInfo.CurrentCulture, type.Context, values);
// Create the violation object and add it to the list.
Violation violation = new Violation(type, sourceCode, line, message.ToString());
// Finally, add the violation.
this.AddViolation(sourceCode, violation);
}
internal bool ImportViolations(SourceCode sourceCode, XmlNode parentNode)
{
bool flag = true;
try
{
XmlNodeList list = parentNode.SelectNodes("violation");
if ((list != null) && (list.Count > 0))
{
foreach (XmlNode node in list)
{
XmlNode node2 = node.SelectSingleNode("@namespace");
XmlNode node3 = node.SelectSingleNode("@rule");
XmlNode node4 = node.SelectSingleNode("@ruleCheckId");
XmlNode node5 = node.SelectSingleNode("context");
XmlNode node6 = node.SelectSingleNode("line");
XmlNode node7 = node.SelectSingleNode("warning");
Rule rule = new Rule(node3.InnerText, node2.InnerText, node4.InnerText, node5.InnerText, Convert.ToBoolean(node7.InnerText, CultureInfo.InvariantCulture));
Violation violation = new Violation(rule, sourceCode, Convert.ToInt32(node6.InnerText, (IFormatProvider) null), node5.InnerText);
this.AddViolation(violation);
}
}
return flag;
}
catch (ArgumentException)
{
flag = false;
}
catch (XmlException)
{
flag = false;
}
catch (FormatException)
{
flag = false;
}
catch (OverflowException)
{
flag = false;
}
return flag;
}
/// <summary>
/// Determines whether the given rule is suppressed for the given element.
/// </summary>
/// <param name="element">The element to check.</param>
/// <param name="rule">The rule to check.</param>
/// <returns>Returns true is the rule is suppressed; otherwise false.</returns>
public override bool IsRuleSuppressed(ICodeElement element, Rule rule)
{
Param.Ignore(element, rule);
if (element != null && rule != null)
{
// If the lock throws we are okay with it unwinding
this.suppressionsLock.AcquireReaderLock(Timeout.Infinite);
try
{
// First, check whether the entire rule namespace is suppressed for this element.
if (this.IsRuleSuppressed(element, rule.UniqueRuleNamespaceId))
{
return true;
}
// Now determine whether the specific rule is suppressed.
if (this.IsRuleSuppressed(element, rule.UniqueRuleId))
{
return true;
}
}
finally
{
this.suppressionsLock.ReleaseReaderLock();
}
}
return false;
}
/// <summary>
/// Initializes a new instance of the Violation class.
/// </summary>
/// <param name="rule">The rule that triggered the violation.</param>
/// <param name="sourceCode">The source code that this violation appears in.</param>
/// <param name="line">The line in the source code where the violation occurs.</param>
/// <param name="message">The context message for the violation.</param>
internal Violation(Rule rule, SourceCode sourceCode, int line, string message)
{
Param.AssertNotNull(rule, "rule");
Param.Ignore(sourceCode);
Param.AssertGreaterThanOrEqualToZero(line, "line");
Param.AssertNotNull(message, "message");
this.rule = rule;
this.sourceCode = sourceCode;
this.line = line;
this.message = message;
}
/// <summary>
/// Initializes the checked state of the given rule.
/// </summary>
/// <param name="rule">The rule to check.</param>
/// <param name="ruleNode">The node representing the rule.</param>
private void InitializeRuleCheckedState(Rule rule, TreeNode ruleNode)
{
Param.AssertNotNull(rule, "rule");
Param.AssertNotNull(ruleNode, "ruleNode");
// Extract the analyzer from the parent of this rule.
SourceAnalyzer analyzer = null;
TreeNode analyzerNode = ruleNode.Parent;
while (analyzerNode != null)
{
analyzer = analyzerNode.Tag as SourceAnalyzer;
if (analyzer != null)
{
break;
}
analyzerNode = analyzerNode.Parent;
}
Debug.Assert(analyzer != null, "The rule node does not have a parent analyzer node.");
BooleanProperty enabledDisabledSetting = analyzer.GetRuleSetting(
this.tabControl.MergedSettings, rule.Name, "Enabled") as BooleanProperty;
if (enabledDisabledSetting == null)
{
ruleNode.Checked = rule.EnabledByDefault;
}
else
{
ruleNode.Checked = enabledDisabledSetting.Value;
}
}
/// <summary>
/// Determines whether the given rule is suppressed for the given element.
/// </summary>
/// <param name="element">The element to check.</param>
/// <param name="rule">The rule to check.</param>
/// <returns>Returns true is the rule is suppressed; otherwise false.</returns>
public override bool IsRuleSuppressed(ICodeElement element, Rule rule)
{
Param.Ignore(element, rule);
return this.parser.IsRuleSuppressed(element, rule);
}
internal void AddViolation(SourceCode sourceCode, Rule type, int line, params object[] values)
{
StringBuilder builder = new StringBuilder();
builder.AppendFormat(CultureInfo.CurrentUICulture, type.Context, values);
Violation violation = new Violation(type, sourceCode, line, builder.ToString());
this.AddViolation(sourceCode, violation);
}