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