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Move some parsing code into OrderRegex

This commit is contained in:
Tim Van Baak 2024-08-25 04:26:10 +00:00
parent 93b106da1e
commit ebeb178984
3 changed files with 85 additions and 68 deletions
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62
MultiversalDiplomacy/Model/Regex.cs
View File

@ -1,5 +1,8 @@
using System.Diagnostics.CodeAnalysis;
using System.Text.RegularExpressions;
using MultiversalDiplomacy.Orders;
namespace MultiversalDiplomacy.Model;
public class OrderRegex(World world)
@ -16,7 +19,7 @@ public class OrderRegex(World world)
public string FullLocation => $"(?:{Timeline}-)?{world.Map.ProvinceRegex}(?:{SlashLocation}|{ParenLocation})?(?:@{Turn})?";
public string Unit => $"(?:(?:{world.Map.PowerRegex} )?{Type} )?{FullLocation}";
public string UnitSpec => $"(?:(?:{world.Map.PowerRegex} )?{Type} )?{FullLocation}";
public const string HoldVerb = "(h|hold|holds)";
@ -45,7 +48,7 @@ public class OrderRegex(World world)
match.Groups[7].Value,
match.Groups[8].Value);
public Regex Move => new($"^{Unit} {MoveVerb} {FullLocation}$(?: {ViaConvoy})?");
public Regex Move => new($"^{UnitSpec} {MoveVerb} {FullLocation}$(?: {ViaConvoy})?");
public static (
string power,
@ -77,4 +80,59 @@ public class OrderRegex(World world)
: match.Groups[12].Value,
match.Groups[13].Value,
match.Groups[14].Value);
public static bool TryParseUnit(World world, string unitSpec, [NotNullWhen(true)] out Unit? newUnit)
{
newUnit = null;
Regex reUnit = new(
$"^{world.Map.PowerRegex} {Type} {world.Map.ProvinceRegex}(?:{SlashLocation}|{ParenLocation})?$");
Match match = reUnit.Match(unitSpec);
if (!match.Success) {
Console.WriteLine($"Could not match unit spec \"{unitSpec}\"");
return false;
}
string power = world.Map.Powers.First(p => p.EqualsAnyCase(match.Groups[1].Value));
string typeName = Enum.GetNames<UnitType>().First(name => name.StartsWithAnyCase(match.Groups[2].Value));
UnitType type = Enum.Parse<UnitType>(typeName);
Province province = world.Map.Provinces.First(prov
=> prov.Name.EqualsAnyCase(match.Groups[3].Value)
|| prov.Abbreviations.Any(abv => abv.EqualsAnyCase(match.Groups[3].Value)));
string locationName = match.Groups[4].Length > 0 ? match.Groups[4].Value : match.Groups[5].Value;
Location location = province.Locations.First(loc
=> loc.Name.StartsWithAnyCase(locationName)
|| loc.Abbreviation.StartsWithAnyCase(locationName));
newUnit = Unit.Build(location.Key, Season.First, power, type);
return true;
}
public static bool TryParseOrder(World world, string power, string command, out Order? order) {
order = null;
OrderRegex re = new(world);
Match match;
if ((match = re.Hold.Match(command)).Success) {
var hold = ParseHold(match);
Unit unit = world.Units.First(unit
=> world.Map.GetLocation(unit.Location).ProvinceName == hold.province
&& unit.Season.Timeline == (hold.timeline.Length > 0 ? hold.timeline : "a")
&& unit.Season.Turn.ToString() == (hold.turn.Length > 0 ? hold.turn : "0"));
order = new HoldOrder(power, unit);
return true;
} else if ((match = re.Move.Match(command)).Success) {
var move = ParseMove(match);
Unit unit = world.Units.First(unit
=> world.Map.GetLocation(unit.Location).ProvinceName == move.province
&& unit.Season.Timeline == (move.timeline.Length > 0 ? move.timeline : "a")
&& unit.Season.Turn.ToString() == (move.turn.Length > 0 ? move.turn : "0"));
order = new MoveOrder(power, unit, Season.First, "l");
return true;
}
return false;
}
}

50
MultiversalDiplomacy/Script/GameScriptHandler.cs
View File

@ -50,39 +50,31 @@ public class GameScriptHandler(World world, bool strict = false) : IScriptHandle
return this;
}
if (TryParseOrder(input, out Order? order)) {
Console.WriteLine($"Parsed order \"{input}\" but doing anything with it isn't implemented yet");
} else if (Strict) {
return null;
// If it's not a comment, submit, or order block, assume it's an order.
string orderPower;
string orderText;
if (CurrentPower is not null) {
// In a block of orders from a power, the power was specified at the top and each line is an order.
orderPower = CurrentPower;
orderText = input;
} else {
// Outside a power block, the power is prefixed to each order.
Regex re = new($"^{World.Map.PowerRegex}(?:[:])? (.*)$", RegexOptions.IgnoreCase);
var match = re.Match(input);
if (!match.Success) {
Console.WriteLine($"Could not determine ordering power in \"{input}\"");
return Strict ? null : this;
}
orderPower = match.Groups[1].Value;
orderText = match.Groups[2].Value;
}
if (OrderRegex.TryParseOrder(World, orderPower, orderText, out Order? order)) {
Console.WriteLine($"Parsed {orderPower} order \"{orderText}\" but doing anything with it isn't implemented yet");
return this;
}
private bool TryParseOrder(string input, out Order? order) {
order = null;
OrderRegex re = new(World);
Match match;
if ((match = re.Hold.Match(input)).Success) {
var hold = OrderRegex.ParseHold(match);
string power = hold.power.Length > 0 ? hold.power : CurrentPower ?? hold.power;
Unit unit = World.Units.First(unit
=> World.Map.GetLocation(unit.Location).ProvinceName == hold.province
&& unit.Season.Timeline == (hold.timeline.Length > 0 ? hold.timeline : "a")
&& unit.Season.Turn.ToString() == (hold.turn.Length > 0 ? hold.turn : "0"));
order = new HoldOrder(power, unit);
return true;
} else if ((match = re.Move.Match(input)).Success) {
var move = OrderRegex.ParseMove(match);
Unit unit = World.Units.First(unit
=> World.Map.GetLocation(unit.Location).ProvinceName == move.province
&& unit.Season.Timeline == (move.timeline.Length > 0 ? move.timeline : "a")
&& unit.Season.Turn.ToString() == (move.turn.Length > 0 ? move.turn : "0"));
order = new MoveOrder(move.power, unit, Season.First, "l");
return true;
}
Console.WriteLine($"Failed to parse \"{input}\"");
return false;
Console.WriteLine($"Failed to parse \"{orderText}\"");
return Strict ? null : this;
}
}

41
MultiversalDiplomacy/Script/SetupScriptHandler.cs
View File

@ -1,10 +1,5 @@
using System.Diagnostics.CodeAnalysis;
using System.Text.RegularExpressions;
using MultiversalDiplomacy.Model;
using static MultiversalDiplomacy.Model.OrderRegex;
namespace MultiversalDiplomacy.Script;
/// <summary>
@ -79,12 +74,13 @@ public class SetupScriptHandler(World world, bool strict = false) : IScriptHandl
case "unit":
string unitSpec = input["unit ".Length..];
if (TryParseUnit(unitSpec, out Unit? newUnit)) {
if (OrderRegex.TryParseUnit(World, unitSpec, out Unit? newUnit)) {
World = World.Update(units: World.Units.Append(newUnit));
Console.WriteLine($"Created {newUnit}");
} else if (Strict) {
return null;
return this;
}
Console.WriteLine($"Could not match unit spec \"{unitSpec}\"");
if (Strict) return null;
break;
default:
@ -95,33 +91,4 @@ public class SetupScriptHandler(World world, bool strict = false) : IScriptHandl
return this;
}
private bool TryParseUnit(string unitSpec, [NotNullWhen(true)] out Unit? newUnit)
{
newUnit = null;
Regex reUnit = new($"^{World.Map.PowerRegex} {OrderRegex.Type} {World.Map.ProvinceRegex}(?:{SlashLocation}|{ParenLocation})?$");
Match match = reUnit.Match(unitSpec);
if (!match.Success) {
Console.WriteLine($"Could not match unit spec \"{unitSpec}\"");
return false;
}
string power = World.Powers.First(p => p.EqualsAnyCase(match.Groups[1].Value));
string typeName = Enum.GetNames<UnitType>().First(name => name.StartsWithAnyCase(match.Groups[2].Value));
UnitType type = Enum.Parse<UnitType>(typeName);
Province province = World.Map.Provinces.First(prov
=> prov.Name.EqualsAnyCase(match.Groups[3].Value)
|| prov.Abbreviations.Any(abv => abv.EqualsAnyCase(match.Groups[3].Value)));
string locationName = match.Groups[4].Length > 0 ? match.Groups[4].Value : match.Groups[5].Value;
Location location = province.Locations.First(loc
=> loc.Name.StartsWithAnyCase(locationName)
|| loc.Abbreviation.StartsWithAnyCase(locationName));
newUnit = Unit.Build(location.Key, Season.First, power, type);
return true;
}
}