private void Remove(string key, Func <CartoFilterElement, bool> func = null)
{
bool bFound = false;
if (func == null)
{
foreach (KeyValuePair <string, CartoFilterElement> kv in m_filters)
{
if (kv.Key == key)
{
bFound = true;
break;
}
}
}
else
{
foreach (KeyValuePair <string, CartoFilterElement> kv in m_filters)
{
if (kv.Key == key && func(kv.Value))
{
bFound = true;
break;
}
}
}
if (bFound)
{
m_filters.Remove(key);
m_prevFilter = null;
m_prevKey = null;
}
}
private CartoFilterElement GetFilter(string key, string op)
{
if (m_filters.Count > 0)
{
if (m_prevFilter != null)
{
if (string.Equals(m_prevKey, key))
{
if (m_prevFilter.Contains(key, op))
{
return(m_prevFilter);
}
}
}
m_prevFilter = null;
m_prevKey = null;
foreach (KeyValuePair <string, CartoFilterElement> kv in m_filters)
{
if (kv.Value.Contains(key, op))
{
m_prevKey = key;
m_prevFilter = kv.Value;
return(kv.Value);
}
}
}
return(null);
}
private bool Conflict(CartoFilterElement filter, Env env)
{
string key = filter.Key.ToString();
string value = filter.GetValue(env);
// if (a=b) && (a=c)
// if (a=b) && (a!=b)
// or (a!=b) && (a=b)
string op = filter.Op.ToString();
if ((op == "=" && GetFilter(key, "=") != null &&
value != GetFilter(key, "=").GetValue(env)) ||
(op == "!=" && GetFilter(key, "=") != null &&
value == GetFilter(key, "=").GetValue(env)) ||
(op == "=" && GetFilter(key, "!=") != null &&
value == GetFilter(key, "!=").GetValue(env)))
{
return(false); //filter.toString() + ' added to ' + this.toString() + ' produces an invalid filter';
}
return(false);
}
private object Addable(CartoFilterElement filter, Env env)
{
string key = filter.Key.ToString();
string val = filter.GetValue(env);
string value = val;
float valueF = float.MinValue;
if (val.Length > 0 && val[0] <= '9')
{
ConvertUtility.TryParseFloat(value, numStyles, numFormat, out valueF);
}
switch (filter.Op.ToString())
{
case "=":
// if there is already foo= and we're adding foo=
if (GetFilter(key, "=") != null)
{
if (GetFilter(key, "=").GetValue(env) != value)
{
return(false);
}
else
{
return(null);
}
}
if (GetFilter(key, "!=" + value) != null)
{
return(false);
}
if (GetFilter(key, ">") != null && GetFilter(key, ">").GetValueF(env) >= valueF)
{
return(false);
}
if (GetFilter(key, "<") != null && GetFilter(key, "<").GetValueF(env) <= valueF)
{
return(false);
}
if (GetFilter(key, ">=") != null && GetFilter(key, ">=").GetValueF(env) > valueF)
{
return(false);
}
if (GetFilter(key, "<=") != null && GetFilter(key, "<=").GetValueF(env) < valueF)
{
return(false);
}
return(true);
case "=~":
return(true);
case "%":
return(true);
case "!=":
if (GetFilter(key, "=") != null)
{
return((GetFilter(key, "=").GetValue(env) == value) ? (object)false : null);
}
if (GetFilter(key, "!=" + value) != null)
{
return(null);
}
if (GetFilter(key, ">") != null && GetFilter(key, ">").GetValueF(env) >= valueF)
{
return(null);
}
if (GetFilter(key, "<") != null && GetFilter(key, "<").GetValueF(env) <= valueF)
{
return(null);
}
if (GetFilter(key, ">=") != null && GetFilter(key, ">=").GetValueF(env) > valueF)
{
return(null);
}
if (GetFilter(key, "<=") != null && GetFilter(key, "<=").GetValueF(env) < valueF)
{
return(null);
}
return(true);
case ">":
if (GetFilter(key, "=") != null)
{
if (GetFilter(key, "=").GetValueF(env) <= valueF)
{
return(false);
}
else
{
return(null);
}
}
if (GetFilter(key, "<") != null && GetFilter(key, "<").GetValueF(env) <= valueF)
{
return(false);
}
if (GetFilter(key, "<=") != null && GetFilter(key, "<=").GetValueF(env) <= valueF)
{
return(false);
}
if (GetFilter(key, ">") != null && GetFilter(key, ">").GetValueF(env) >= valueF)
{
return(null);
}
if (GetFilter(key, ">=") != null && GetFilter(key, ">=").GetValueF(env) > valueF)
{
return(null);
}
return(true);
case ">=":
if (GetFilter(key, "=") != null)
{
return((GetFilter(key, "=").GetValueF(env) < valueF) ? (object)false : null);
}
if (GetFilter(key, "<") != null && GetFilter(key, "<").GetValueF(env) <= valueF)
{
return(false);
}
if (GetFilter(key, "<=") != null && GetFilter(key, "<=").GetValueF(env) < valueF)
{
return(false);
}
if (GetFilter(key, ">") != null && GetFilter(key, ">").GetValueF(env) >= valueF)
{
return(null);
}
if (GetFilter(key, ">=") != null && GetFilter(key, ">=").GetValueF(env) >= valueF)
{
return(null);
}
return(true);
case "<":
if (GetFilter(key, "=") != null)
{
return((GetFilter(key, "=").GetValueF(env) >= valueF) ? (object)false : null);
}
if (GetFilter(key, ">") != null && GetFilter(key, ">").GetValueF(env) >= valueF)
{
return(false);
}
if (GetFilter(key, ">=") != null && GetFilter(key, ">=").GetValueF(env) >= valueF)
{
return(false);
}
if (GetFilter(key, "<") != null && GetFilter(key, "<").GetValueF(env) <= valueF)
{
return(null);
}
if (GetFilter(key, "<=") != null && GetFilter(key, "<=").GetValueF(env) < valueF)
{
return(null);
}
return(true);
case "<=":
if (GetFilter(key, "=") != null)
{
return((GetFilter(key, "=").GetValueF(env) > valueF) ? (object)false : null);
}
if (GetFilter(key, ">") != null && GetFilter(key, ">").GetValueF(env) >= valueF)
{
return(false);
}
if (GetFilter(key, ">=") != null && GetFilter(key, ">=").GetValueF(env) > valueF)
{
return(false);
}
if (GetFilter(key, "<") != null && GetFilter(key, "<").GetValueF(env) <= valueF)
{
return(null);
}
if (GetFilter(key, "<=") != null && GetFilter(key, "<=").GetValueF(env) <= valueF)
{
return(null);
}
return(true);
}
return(null);
}
public void Add(CartoFilterElement filter, Env env)
{
bool conflict = Conflict(filter, env);
if (conflict)
{
return; //conflict;
}
string key = filter.Key.ToString();
string value = filter.Value.ToString();
string op = filter.Op.ToString();
float valueF = float.NaN;
if (value.Length > 0 && value[0] <= '9')
{
ConvertUtility.TryParseFloat(value, numStyles, numFormat, out valueF);
}
if (op == "=")
{
/*foreach (var item in m_filters.Where(kvp => kvp.Key == key).ToList())
* {
* Remove(item.Key);
* }*/
Remove(key);
m_filters[key + "="] = filter;
}
else if (op == "!=")
{
m_filters[key + "!=" + filter.GetValue(env)] = filter;
}
else if (op == "=~")
{
m_filters[key + "=~" + filter.GetValue(env)] = filter;
}
else if (op == "%")
{
m_filters[key + "%" + filter.GetValue(env)] = filter;
}
else if (op == ">")
{
// If there are other filters that are also >
// but are less than this one, they don't matter, so
// remove them.
/* foreach (var item in m_filters.Where(kvp => kvp.Key == key && kvp.Value.GetValueF(env) <= valueF).ToList()) {
* Remove(item.Key);
* }*/
Remove(key, (x) => (x.GetValueF(env) <= valueF));
m_filters[key + ">"] = filter;
}
else if (op == ">=")
{
/*foreach (var item in m_filters.Where(kvp => kvp.Key == key && kvp.Value.GetValueF(env) < valueF).ToList()) {
* Remove(item.Key);
* }*/
Remove(key, (x) => (x.GetValueF(env) < valueF));
if (GetFilter(key + "!=" + value) != null)
{
Remove(key + "!=" + value);
filter.Op = new dotless.Core.Parser.Infrastructure.Nodes.TextNode(">");
m_filters[key + ">"] = filter;
}
else
{
m_filters[key + ">="] = filter;
}
}
else if (op == "<")
{
/*foreach (var item in m_filters.Where(kvp => kvp.Key == key && kvp.Value.GetValueF(env) >= valueF).ToList()) {
* Remove(item.Key);
* }*/
Remove(key, (x) => (x.GetValueF(env) >= valueF));
m_filters[key + "<"] = filter;
}
else if (op == "<=")
{
/*foreach (var item in m_filters.Where(kvp => kvp.Key == key && kvp.Value.GetValueF(env) > valueF).ToList()) {
* Remove(item.Key);
* }*/
Remove(key, (x) => (x.GetValueF(env) > valueF));
if (GetFilter(key + "!=" + value) != null)
{
Remove(key + "!=" + value);
filter.Op = new dotless.Core.Parser.Infrastructure.Nodes.TextNode("<");
m_filters[key + "<"] = filter;
}
else
{
m_filters[key + "<="] = filter;
}
}
}
public object CloneWith(CartoFilterSet other, Env env)
{
List <CartoFilterElement> additions = null;
if (m_filters.Count > 0)
{
foreach (KeyValuePair <string, CartoFilterElement> kv in other.m_filters)
{
string id = kv.Key;
object status = this.Addable(kv.Value, env);
if (status != null)
{
if ((bool)status == false)
{
return(false);
}
if ((bool)status == true)
{
// Adding the filter will override another value.
if (additions == null)
{
additions = new List <CartoFilterElement>();
}
additions.Add(other.m_filters[id]);
}
}
}
}
else
{
if (other.m_filters.Count > 0)
{
additions = new List <CartoFilterElement>(other.m_filters.Count);
foreach (KeyValuePair <string, CartoFilterElement> kv in other.m_filters)
{
additions.Add(other.m_filters[kv.Key]);
}
}
}
// Adding the other filters doesn't make this filterset invalid, but it
// doesn't add anything to it either.
if (additions == null)
{
return(null);
}
// We can successfully add all filters. Now clone the filterset and add the
// new rules.
var clone = new CartoFilterSet();
// We can add the rules that are already present without going through the
// add function as a Filterset is always in it's simplest canonical form.
foreach (KeyValuePair <string, CartoFilterElement> kv1 in m_filters)
{
CartoFilterElement filter = kv1.Value;
clone.m_filters[kv1.Key] = filter;
}
// Only add new filters that actually change the filter.
//while (id = additions.shift()) {
foreach (CartoFilterElement id in additions)
{
clone.Add(id, env);
}
return(clone);
}
private object Addable(CartoFilterElement filter, Env env)
{
string key = filter.Key.ToString();
string val = filter.GetValue(env);
string value = val;
float valueF = float.MinValue;
if (val.Length > 0 && val[0] <= '9')
ConvertUtility.TryParseFloat(value, numStyles, numFormat, out valueF);
switch (filter.Op.ToString())
{
case "=":
// if there is already foo= and we're adding foo=
if (GetFilter(key , "=") != null) {
if (GetFilter(key , "=").GetValue(env) != value) {
return false;
} else {
return null;
}
}
if (GetFilter(key, "!=" + value) != null) return false;
if (GetFilter(key, ">") != null && GetFilter(key, ">").GetValueF(env) >= valueF) return false;
if (GetFilter(key, "<") != null && GetFilter(key, "<").GetValueF(env) <= valueF) return false;
if (GetFilter(key, ">=") != null && GetFilter(key, ">=").GetValueF(env) > valueF) return false;
if (GetFilter(key, "<=") != null && GetFilter(key, "<=").GetValueF(env) < valueF) return false;
return true;
case "=~":
return true;
case "%":
return true;
case "!=":
if (GetFilter(key, "=") != null) return (GetFilter(key, "=").GetValue(env) == value) ? (object)false : null;
if (GetFilter(key, "!=" + value) != null) return null;
if (GetFilter(key, ">") != null && GetFilter(key, ">").GetValueF(env) >= valueF) return null;
if (GetFilter(key, "<") != null && GetFilter(key, "<").GetValueF(env) <= valueF) return null;
if (GetFilter(key, ">=") != null && GetFilter(key, ">=").GetValueF(env) > valueF) return null;
if (GetFilter(key, "<=") != null && GetFilter(key, "<=").GetValueF(env) < valueF) return null;
return true;
case ">":
if (GetFilter(key, "=") != null)
{
if (GetFilter(key, "=").GetValueF(env) <= valueF) {
return false;
} else {
return null;
}
}
if (GetFilter(key, "<") != null && GetFilter(key, "<").GetValueF(env) <= valueF) return false;
if (GetFilter(key, "<=") != null && GetFilter(key, "<=").GetValueF(env) <= valueF) return false;
if (GetFilter(key, ">") != null && GetFilter(key, ">").GetValueF(env) >= valueF) return null;
if (GetFilter(key, ">=") != null && GetFilter(key, ">=").GetValueF(env) > valueF) return null;
return true;
case ">=":
if (GetFilter(key, "=" ) != null) return (GetFilter(key, "=").GetValueF(env) < valueF) ? (object)false : null;
if (GetFilter(key, "<" ) != null && GetFilter(key, "<").GetValueF(env) <= valueF) return false;
if (GetFilter(key, "<=") != null && GetFilter(key, "<=").GetValueF(env) < valueF) return false;
if (GetFilter(key, ">" ) != null && GetFilter(key, ">").GetValueF(env) >= valueF) return null;
if (GetFilter(key, ">=") != null && GetFilter(key, ">=").GetValueF(env) >= valueF) return null;
return true;
case "<":
if (GetFilter(key, "=" ) != null) return (GetFilter(key, "=").GetValueF(env) >= valueF) ? (object)false : null;
if (GetFilter(key, ">" ) != null && GetFilter(key, ">").GetValueF(env) >= valueF) return false;
if (GetFilter(key, ">=") != null && GetFilter(key, ">=").GetValueF(env) >= valueF) return false;
if (GetFilter(key, "<" ) != null && GetFilter(key, "<").GetValueF(env) <= valueF) return null;
if (GetFilter(key, "<=") != null && GetFilter(key, "<=").GetValueF(env) < valueF) return null;
return true;
case "<=":
if (GetFilter(key, "=" ) != null) return (GetFilter(key, "=").GetValueF(env) > valueF) ? (object)false : null;
if (GetFilter(key, ">" ) != null && GetFilter(key, ">").GetValueF(env) >= valueF) return false;
if (GetFilter(key, ">=") != null && GetFilter(key, ">=").GetValueF(env) > valueF) return false;
if (GetFilter(key, "<" ) != null && GetFilter(key, "<").GetValueF(env) <= valueF) return null;
if (GetFilter(key, "<=") != null && GetFilter(key, "<=").GetValueF(env) <= valueF) return null;
return true;
}
return null;
}
private void Remove(string key, Func<CartoFilterElement, bool> func = null)
{
bool bFound = false;
if (func == null)
{
foreach (KeyValuePair<string, CartoFilterElement> kv in m_filters)
{
if (kv.Key == key)
{
bFound = true;
break;
}
}
}
else
{
foreach (KeyValuePair<string, CartoFilterElement> kv in m_filters)
{
if (kv.Key == key && func(kv.Value))
{
bFound = true;
break;
}
}
}
if (bFound)
{
m_filters.Remove(key);
m_prevFilter = null;
m_prevKey = null;
}
}
public void Add(CartoFilterElement filter, Env env)
{
bool conflict = Conflict(filter, env);
if (conflict)
return; //conflict;
string key = filter.Key.ToString();
string value = filter.Value.ToString();
string op = filter.Op.ToString();
float valueF = float.NaN;
if (value.Length > 0 && value[0] <= '9')
ConvertUtility.TryParseFloat(value, numStyles, numFormat, out valueF);
if (op == "=")
{
/*foreach (var item in m_filters.Where(kvp => kvp.Key == key).ToList())
{
Remove(item.Key);
}*/
Remove(key);
m_filters[key + "="] = filter;
}
else if (op == "!=")
{
m_filters[key + "!=" + filter.GetValue(env)] = filter;
}
else if (op == "=~")
{
m_filters[key + "=~" + filter.GetValue(env)] = filter;
}
else if (op == "%")
{
m_filters[key + "%" + filter.GetValue(env)] = filter;
}
else if (op == ">")
{
// If there are other filters that are also >
// but are less than this one, they don't matter, so
// remove them.
/* foreach (var item in m_filters.Where(kvp => kvp.Key == key && kvp.Value.GetValueF(env) <= valueF).ToList()) {
Remove(item.Key);
}*/
Remove(key, (x) => (x.GetValueF(env) <= valueF));
m_filters[key + ">"] = filter;
}
else if (op == ">=")
{
/*foreach (var item in m_filters.Where(kvp => kvp.Key == key && kvp.Value.GetValueF(env) < valueF).ToList()) {
Remove(item.Key);
}*/
Remove(key, (x) => (x.GetValueF(env) < valueF));
if (GetFilter(key + "!=" + value) != null)
{
Remove(key + "!=" + value);
filter.Op = new dotless.Core.Parser.Infrastructure.Nodes.TextNode(">");
m_filters[key + ">"] = filter;
}
else
{
m_filters[key + ">="] = filter;
}
}
else if (op == "<")
{
/*foreach (var item in m_filters.Where(kvp => kvp.Key == key && kvp.Value.GetValueF(env) >= valueF).ToList()) {
Remove(item.Key);
}*/
Remove(key, (x) => (x.GetValueF(env) >= valueF));
m_filters[key + "<"] = filter;
}
else if (op == "<=")
{
/*foreach (var item in m_filters.Where(kvp => kvp.Key == key && kvp.Value.GetValueF(env) > valueF).ToList()) {
Remove(item.Key);
}*/
Remove(key, (x) => (x.GetValueF(env) > valueF));
if (GetFilter(key + "!=" + value) != null)
{
Remove(key + "!=" + value);
filter.Op = new dotless.Core.Parser.Infrastructure.Nodes.TextNode("<");
m_filters[key + "<"] = filter;
}
else
{
m_filters[key + "<="] = filter;
}
}
}
private bool Conflict(CartoFilterElement filter, Env env)
{
string key = filter.Key.ToString();
string value = filter.GetValue(env);
// if (a=b) && (a=c)
// if (a=b) && (a!=b)
// or (a!=b) && (a=b)
string op = filter.Op.ToString();
if ((op == "=" && GetFilter(key, "=") != null &&
value != GetFilter(key , "=").GetValue(env)) ||
(op == "!=" && GetFilter(key , "=") != null &&
value == GetFilter(key , "=").GetValue(env)) ||
(op == "=" && GetFilter(key , "!=") != null &&
value == GetFilter(key, "!=").GetValue(env))) {
return false;//filter.toString() + ' added to ' + this.toString() + ' produces an invalid filter';
}
return false;
}
private CartoFilterElement GetFilter(string key, string op)
{
if (m_filters.Count > 0)
{
if (m_prevFilter != null)
{
if (string.Equals(m_prevKey, key))
{
if (m_prevFilter.Contains(key, op))
return m_prevFilter;
}
}
m_prevFilter = null;
m_prevKey = null;
foreach (KeyValuePair<string, CartoFilterElement> kv in m_filters)
{
if (kv.Value.Contains(key, op))
{
m_prevKey = key;
m_prevFilter = kv.Value;
return kv.Value;
}
}
}
return null;
}