public bool Parse(out XmlErrorCollection errorCollection, out SchemeGenerator schemeGenerator)
{
if (_xDoc == null)
{
throw new ArgumentNullException("XML document is not valid.");
}
//Store a reference to a new scheme generator and error collector for ease of use later on.
//This object is not responsible for their lifetime once Parse() has finished!
_schemeGenerator = new SchemeGenerator();
_errorCollection = new XmlErrorCollection();
FoundElements foundElements = new FoundElements();
//Iterate through all elements.
IEnumerable <XElement> elements = _xDoc.Elements();
foreach (XElement element in elements)
{
//Handle scheme element.
if (element.Name.LocalName == ElementTypes.Metascheme.ToString())
{
if (!foundElements.Contains(ElementTypes.Metascheme))
{
foundElements.Add(ElementTypes.Metascheme, element);
ParseMetaschemeElement(element);
}
else
{
_errorCollection.AddRepeatedElement(element);
}
}
//Invalid element.
else
{
_errorCollection.AddInvalidElement(element);
}
}
//If we didn't get the scheme element, we didn't do anything just now!
if (!foundElements.Contains(ElementTypes.Metascheme))
{
_errorCollection.AddElementNotFound(ElementTypes.Metascheme.ToString());
}
//Set the out variables and lose our stored references to them.
schemeGenerator = _schemeGenerator;
_schemeGenerator = null;
errorCollection = _errorCollection;
_errorCollection = null;
return(errorCollection.Errors.Count == 0);
}
void ParseExtendedOptionsElement(XElement extendedOptionsElement)
{
//Get version.
XAttribute versionAttribute = extendedOptionsElement.Attribute("version");
if (versionAttribute != null)
{
if (TryParseIntegerAttribute(extendedOptionsElement, versionAttribute, 0, SchemeTypes.MaximumExtendedOptionDataVersion, out int value))
{
_schemeGenerator.ExtendedOptionsDataVersion = value;
}
else
{
_errorCollection.AddAttributeValueNonNumber(extendedOptionsElement, versionAttribute);
}
}
else
{
_errorCollection.AddAttributeNotFound("version", extendedOptionsElement);
}
FoundElements foundElements = new FoundElements();
//Iterate through all elements.
IEnumerable <XElement> elements = extendedOptionsElement.Elements();
foreach (XElement element in elements)
{
//Handle setting element.
ExtendedOptionTypes extendedOptionType;
if (Enum.TryParse <ExtendedOptionTypes>(element.Name.LocalName, out extendedOptionType))
{
if (extendedOptionType != ExtendedOptionTypes.DataVersion && extendedOptionType != ExtendedOptionTypes.Count)
{
if (!foundElements.Contains(extendedOptionType))
{
foundElements.Add(extendedOptionType, element);
ParseExtendedOptionElement(element, extendedOptionType);
}
else
{
_errorCollection.AddRepeatedElement(element, foundElements.Get(extendedOptionType));
}
}
else
{
_errorCollection.AddInvalidElement(element);
}
}
//Invalid element.
else
{
_errorCollection.AddInvalidElement(element);
}
}
}
void ParseWeaponElement(XElement weaponElement, WeaponTypes weaponType)
{
FoundElements foundElements = new FoundElements();
//Iterate through all elements.
IEnumerable <XElement> elements = weaponElement.Elements();
foreach (XElement element in elements)
{
//Handle weapon setting element.
WeaponSettings weaponSetting;
if (Enum.TryParse <WeaponSettings>(element.Name.LocalName, out weaponSetting))
{
if (weaponSetting != WeaponSettings.Count)
{
if (!foundElements.Contains(weaponSetting))
{
foundElements.Add(weaponSetting, element);
if (SchemeTypes.CanApplyWeaponSetting(weaponType, weaponSetting))
{
ParseWeaponSettingElement(element, weaponType, weaponSetting);
}
else
{
_errorCollection.AddSettingNotApplicableToWeapon(element, weaponType, weaponSetting);
}
}
else
{
_errorCollection.AddRepeatedElement(element, foundElements.Get(weaponSetting));
}
}
else
{
_errorCollection.AddInvalidElement(element);
}
}
//Invalid element.
else
{
_errorCollection.AddInvalidElement(element);
}
}
}
void ParseWeaponsElement(XElement weaponsElement)
{
FoundElements foundElements = new FoundElements();
//Iterate through all elements.
IEnumerable <XElement> elements = weaponsElement.Elements();
foreach (XElement element in elements)
{
//Handle weapon element.
WeaponTypes weapon;
if (Enum.TryParse <WeaponTypes>(element.Name.LocalName, out weapon))
{
if (weapon != WeaponTypes.Count)
{
if (!foundElements.Contains(weapon))
{
foundElements.Add(weapon, element);
ParseWeaponElement(element, weapon);
}
else
{
_errorCollection.AddRepeatedElement(element, foundElements.Get(weapon));
}
}
else
{
_errorCollection.AddInvalidElement(element);
}
}
//Invalid element.
else
{
_errorCollection.AddInvalidElement(element);
}
}
}
void ParseSettingsElement(XElement settingsElement)
{
FoundElements foundElements = new FoundElements();
//Iterate through all elements.
IEnumerable <XElement> elements = settingsElement.Elements();
foreach (XElement element in elements)
{
//Handle setting element.
SettingTypes settingType;
if (Enum.TryParse <SettingTypes>(element.Name.LocalName, out settingType))
{
if (settingType != SettingTypes.Version && settingType != SettingTypes.BountyMode && settingType != SettingTypes.Count)
{
if (!foundElements.Contains(settingType))
{
foundElements.Add(settingType, element);
ParseSettingElement(element, settingType);
}
else
{
_errorCollection.AddRepeatedElement(element, foundElements.Get(settingType));
}
}
else
{
_errorCollection.AddInvalidElement(element);
}
}
//Invalid element.
else
{
_errorCollection.AddInvalidElement(element);
}
}
}
void ParseMetaschemeElement(XElement metaschemeElement)
{
FoundElements foundElements = new FoundElements();
//Iterate through all elements.
IEnumerable <XElement> elements = metaschemeElement.Elements();
foreach (XElement element in elements)
{
//TODO: Can I generalise these calls?
//Handle settings element.
if (element.Name.LocalName == ElementTypes.Information.ToString())
{
if (!foundElements.Contains(ElementTypes.Information))
{
foundElements.Add(ElementTypes.Information, element);
}
else
{
_errorCollection.AddRepeatedElement(element, foundElements.Get(ElementTypes.Information));
}
}
//Handle settings element.
else if (element.Name.LocalName == ElementTypes.Settings.ToString())
{
if (!foundElements.Contains(ElementTypes.Settings))
{
foundElements.Add(ElementTypes.Settings, element);
ParseSettingsElement(element);
}
else
{
_errorCollection.AddRepeatedElement(element, foundElements.Get(ElementTypes.Settings));
}
}
//Handle weapons element.
else if (element.Name.LocalName == ElementTypes.Weapons.ToString())
{
if (!foundElements.Contains(ElementTypes.Weapons))
{
foundElements.Add(ElementTypes.Weapons, element);
ParseWeaponsElement(element);
}
else
{
_errorCollection.AddRepeatedElement(element, foundElements.Get(ElementTypes.Weapons));
}
}
//Handle extended options element.
else if (element.Name.LocalName == ElementTypes.ExtendedOptions.ToString())
{
if (!foundElements.Contains(ElementTypes.ExtendedOptions))
{
foundElements.Add(ElementTypes.ExtendedOptions, element);
ParseExtendedOptionsElement(element);
}
else
{
_errorCollection.AddRepeatedElement(element, foundElements.Get(ElementTypes.ExtendedOptions));
}
}
//Handle guarantees element.
else if (element.Name.LocalName == ElementTypes.Guarantees.ToString())
{
if (!foundElements.Contains(ElementTypes.Guarantees))
{
foundElements.Add(ElementTypes.Guarantees, element);
ParseGuaranteesElement(element);
}
else
{
_errorCollection.AddRepeatedElement(element, foundElements.Get(ElementTypes.Guarantees));
}
}
//Invalid element.
else
{
_errorCollection.AddInvalidElement(element);
}
}
}
WeaponSettingGuarantee CreateWeaponSettingGuarantee(XElement weaponSettingGuaranteeElement)
{
//Get setting
XAttribute settingAttribute = weaponSettingGuaranteeElement.Attribute("setting");
if (settingAttribute == null)
{
_errorCollection.AddAttributeNotFound("setting", weaponSettingGuaranteeElement);
return(null);
}
WeaponSettings weaponSetting = WeaponSettings.Count;
Enum.TryParse <WeaponSettings>(settingAttribute.Value, out weaponSetting);
if (weaponSetting == WeaponSettings.Count)
{
_errorCollection.AddAttributeValueInvalidValue(weaponSettingGuaranteeElement, settingAttribute);
return(null);
}
WeaponSettingGuarantee weaponSettingGuarantee = new WeaponSettingGuarantee(weaponSetting);
SettingLimits weaponCountSettingLimits = new SettingLimits(0, 64);
SettingLimits settingValueSettingLimits = new SettingLimits(0, 255);
//Iterate through all elements.
FoundElements foundElements = new FoundElements();
IEnumerable <XElement> elements = weaponSettingGuaranteeElement.Elements();
foreach (XElement element in elements)
{
//Handle minimum weapons element.
if (element.Name.LocalName == ElementTypes.MinimumWeaponCount.ToString())
{
if (!foundElements.Contains(ElementTypes.MinimumWeaponCount))
{
foundElements.Add(ElementTypes.MinimumWeaponCount, element);
weaponSettingGuarantee.MinimumWeaponCount = CreateValueGenerator(element, weaponCountSettingLimits);
}
else
{
_errorCollection.AddRepeatedElement(element, foundElements.Get(ElementTypes.MinimumWeaponCount));
}
}
//Handle maximum weapons element.
else if (element.Name.LocalName == ElementTypes.MaximumWeaponCount.ToString())
{
if (!foundElements.Contains(ElementTypes.MaximumWeaponCount))
{
foundElements.Add(ElementTypes.MaximumWeaponCount, element);
ParseMaximumWeaponCountElement(element, weaponSettingGuarantee, weaponCountSettingLimits);
}
else
{
_errorCollection.AddRepeatedElement(element, foundElements.Get(ElementTypes.MaximumWeaponCount));
}
}
//Handle minimum value element.
else if (element.Name.LocalName == ElementTypes.MinimumSettingValue.ToString())
{
if (!foundElements.Contains(ElementTypes.MinimumSettingValue))
{
foundElements.Add(ElementTypes.MinimumSettingValue, element);
weaponSettingGuarantee.MinimumSettingValue = CreateValueGenerator(element, settingValueSettingLimits);
}
else
{
_errorCollection.AddRepeatedElement(element, foundElements.Get(ElementTypes.MinimumSettingValue));
}
}
//Handle maximum weapons element.
else if (element.Name.LocalName == ElementTypes.MaximumSettingValue.ToString())
{
if (!foundElements.Contains(ElementTypes.MaximumSettingValue))
{
foundElements.Add(ElementTypes.MaximumSettingValue, element);
weaponSettingGuarantee.MaximumSettingValue = CreateValueGenerator(element, settingValueSettingLimits);
}
else
{
_errorCollection.AddRepeatedElement(element, foundElements.Get(ElementTypes.MaximumSettingValue));
}
}
//Handle inclusion filter element.
else if (element.Name.LocalName == ElementTypes.InclusionFilter.ToString())
{
if (!foundElements.Contains(ElementTypes.InclusionFilter))
{
foundElements.Add(ElementTypes.InclusionFilter, element);
ParseWeaponFilterElement(element, ref weaponSettingGuarantee.GetCategoryInclusionFilterRef(), ref weaponSettingGuarantee.GetInclusionMatchTypeRef());
}
else
{
_errorCollection.AddRepeatedElement(element, foundElements.Get(ElementTypes.InclusionFilter));
}
}
//Handle inclusion filter element.
else if (element.Name.LocalName == ElementTypes.ExclusionFilter.ToString())
{
if (!foundElements.Contains(ElementTypes.ExclusionFilter))
{
foundElements.Add(ElementTypes.ExclusionFilter, element);
ParseWeaponFilterElement(element, ref weaponSettingGuarantee.GetCategoryExclusionFilterRef(), ref weaponSettingGuarantee.GetExclusionMatchTypeRef());
}
else
{
_errorCollection.AddRepeatedElement(element, foundElements.Get(ElementTypes.ExclusionFilter));
}
}
//Invalid element.
else
{
_errorCollection.AddInvalidElement(element);
}
}
return(weaponSettingGuarantee);
}