110 lines
3.8 KiB
C#
110 lines
3.8 KiB
C#
namespace Ficdown.Parser.Engine
|
|
{
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text.RegularExpressions;
|
|
using Model.Parser;
|
|
using Model.Story;
|
|
using Action = Model.Story.Action;
|
|
|
|
public class BlockHandler : IBlockHandler
|
|
{
|
|
public IEnumerable<Block> ExtractBlocks(IEnumerable<string> lines)
|
|
{
|
|
var blocks = new List<Block>();
|
|
Block currentBlock = null;
|
|
foreach (var line in lines)
|
|
{
|
|
var match = Regex.Match(line, @"^(?<level>#{1,3})\s+(?<name>[^#].*)$");
|
|
if (match.Success)
|
|
{
|
|
if (currentBlock != null) blocks.Add(currentBlock);
|
|
currentBlock = new Block()
|
|
{
|
|
Type = (BlockType) match.Groups["level"].Length,
|
|
Name = match.Groups["name"].Value,
|
|
Lines = new List<string>()
|
|
};
|
|
}
|
|
else
|
|
{
|
|
if (currentBlock != null) currentBlock.Lines.Add(line);
|
|
}
|
|
}
|
|
if (currentBlock != null) blocks.Add(currentBlock);
|
|
return blocks;
|
|
}
|
|
|
|
public Story ParseBlocks(IEnumerable<Block> blocks)
|
|
{
|
|
// get the story
|
|
var storyBlock = blocks.Single(b => b.Type == BlockType.Story);
|
|
var storyName = RegexLib.Anchors.Match(storyBlock.Name);
|
|
|
|
string storyTarget;
|
|
try
|
|
{
|
|
Utilities.ParseHref(storyName.Groups["href"].Value, out storyTarget);
|
|
}
|
|
catch (FormatException)
|
|
{
|
|
throw new FormatException(string.Format("Story href should only have target: {0}",
|
|
storyName.Groups["href"].Value));
|
|
}
|
|
|
|
if (!storyName.Success)
|
|
throw new FormatException("Story name must link to the first scene.");
|
|
|
|
var story = new Story
|
|
{
|
|
Name = storyName.Groups["text"].Value,
|
|
Description = string.Join("\n", storyBlock.Lines).Trim(),
|
|
Scenes = new Dictionary<string, IList<Scene>>(),
|
|
States = new Dictionary<string, IList<Action>>()
|
|
};
|
|
|
|
var scenes = blocks.Where(b => b.Type == BlockType.Scene).Select(BlockToScene);
|
|
foreach (var scene in scenes)
|
|
{
|
|
var key = Utilities.NormalizeString(scene.Name);
|
|
if (!story.Scenes.ContainsKey(key)) story.Scenes.Add(key, new List<Scene>());
|
|
story.Scenes[key].Add(scene);
|
|
}
|
|
|
|
if (!story.Scenes.ContainsKey(storyTarget))
|
|
throw new FormatException(string.Format("Story targets non-existent scene: {0}", storyTarget));
|
|
story.FirstScene = storyTarget;
|
|
|
|
return story;
|
|
}
|
|
|
|
|
|
private Scene BlockToScene(Block block)
|
|
{
|
|
var scene = new Scene
|
|
{
|
|
Description = string.Join("\n", block.Lines).Trim()
|
|
};
|
|
|
|
var sceneName = RegexLib.Anchors.Match(block.Name);
|
|
if (sceneName.Success)
|
|
{
|
|
scene.Name = sceneName.Groups["text"].Value;
|
|
IList<string> conditions;
|
|
try
|
|
{
|
|
Utilities.ParseHref(sceneName.Groups["href"].Value, out conditions);
|
|
}
|
|
catch (FormatException)
|
|
{
|
|
throw new FormatException(string.Format("Scene href should only have conditions: {0}", block.Name));
|
|
}
|
|
scene.Conditions = conditions;
|
|
}
|
|
else scene.Name = block.Name;
|
|
|
|
return scene;
|
|
}
|
|
}
|
|
} |