private string GetBuildPropertyValue(MSBuild.ProjectProperty buildProperty, bool finalValue)
{
if (buildProperty == null)
{
return(null);
}
else if (finalValue)
{
return(buildProperty.EvaluatedValue);
}
else
{
// If the property definition contains the property itself, we want to return the final result
// Ideally, we would like to expand only the value for the property but MSBuild does not allow that
// That solves the case where OutputPath is define as $(OutputPath)\ if it's not ending with a backslash
string propertyNameEscaped = "$(" + this.propertyName + ")";
var value = buildProperty.UnevaluatedValue;
if (value.Contains("$([MSBuild]::") && buildProperty.Predecessor != null)
{
value = buildProperty.Predecessor.UnevaluatedValue;
}
if (value.Contains(propertyNameEscaped))
{
return(value);
}
else
{
return(this.Unescape(value));
}
}
}
private string GetValue(bool finalValue, IList <ProjectConfig> configs, bool booleanValue)
{
MSBuild.Project buildProject = this.PerUser ? this.project.UserBuildProject : this.project.BuildProject;
if (buildProject == null)
{
return(null);
}
string value;
if (this.PerConfig)
{
if (configs == null || configs.Count == 0)
{
configs = new ProjectConfig[] { this.project.CurrentConfig };
}
value = this.GetPerConfigValue(buildProject, finalValue, configs, booleanValue);
}
else
{
MSBuild.ProjectProperty buildProperty = buildProject.GetProperty(this.propertyName);
value = this.GetBuildPropertyValue(buildProperty, finalValue);
if (booleanValue && String.IsNullOrEmpty(value))
{
value = Boolean.FalseString;
}
}
return(value);
}
private string GetPerConfigValue(MSBuild.Project buildProject, bool finalValue, IList <ProjectConfig> configs, bool nullIsFalse)
{
string unifiedValue = null;
for (int i = 0; i < configs.Count; i++)
{
ProjectConfig config = configs[i];
bool resetCache = (i == 0);
// we should be using the buildProject parameter here, but this isn't implemented in MPF
MSBuild.ProjectProperty buildProperty = config.GetMsBuildProperty(this.propertyName, resetCache);
string value = this.GetBuildPropertyValue(buildProperty, finalValue);
if (value != null)
{
value = value.Trim();
}
if (nullIsFalse && String.IsNullOrEmpty(value))
{
value = Boolean.FalseString;
}
if (i == 0)
{
unifiedValue = value;
}
else if (unifiedValue != value)
{
unifiedValue = null; // indicates indeterminate value
break;
}
}
return(unifiedValue);
}