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import Foundation
class MoebooruPostXMLParser: NSObject, XMLParserDelegate {
private var posts: [MoebooruPost] = []
private var currentPost: MoebooruPost?
private var parser: XMLParser
init(data: Data) {
parser = XMLParser(data: data)
super.init()
parser.delegate = self
}
func parse() -> [MoebooruPost] {
parser.parse()
return posts
}
func parser(_: XMLParser, didStartElement elementName: String, namespaceURI _: String?, qualifiedName _: String?, attributes attributeDict: [String: String] = [:]) {
if elementName == "post" {
guard let id = attributeDict["id"],
let tags = attributeDict["tags"],
let createdAtStr = attributeDict["created_at"],
let createdAt = Int(createdAtStr),
let updatedAtStr = attributeDict["updated_at"],
let updatedAt = Int(updatedAtStr),
let creatorId = attributeDict["creator_id"],
let approverId = attributeDict["approver_id"],
let author = attributeDict["author"],
let change = attributeDict["change"],
let source = attributeDict["source"],
let score = attributeDict["score"],
let md5 = attributeDict["md5"],
let fileSizeStr = attributeDict["file_size"],
let fileSize = Int(fileSizeStr),
let fileExt = attributeDict["file_ext"],
let fileUrl = attributeDict["file_url"],
let isShownStr = attributeDict["is_shown_in_index"],
let previewUrl = attributeDict["preview_url"],
let previewWidthStr = attributeDict["preview_width"],
let previewWidth = Int(previewWidthStr),
let previewHeightStr = attributeDict["preview_height"],
let previewHeight = Int(previewHeightStr),
let actualPreviewWidthStr = attributeDict["actual_preview_width"],
let actualPreviewWidth = Int(actualPreviewWidthStr),
let actualPreviewHeightStr = attributeDict["actual_preview_height"],
let actualPreviewHeight = Int(actualPreviewHeightStr),
let sampleUrl = attributeDict["sample_url"],
let sampleWidthStr = attributeDict["sample_width"],
let sampleWidth = Int(sampleWidthStr),
let sampleHeightStr = attributeDict["sample_height"],
let sampleHeight = Int(sampleHeightStr),
let sampleFileSizeStr = attributeDict["sample_file_size"],
let sampleFileSize = Int(sampleFileSizeStr),
let jpegUrl = attributeDict["jpeg_url"],
let jpegWidthStr = attributeDict["jpeg_width"],
let jpegWidth = Int(jpegWidthStr),
let jpegHeightStr = attributeDict["jpeg_height"],
let jpegHeight = Int(jpegHeightStr),
let jpegFileSizeStr = attributeDict["jpeg_file_size"],
let jpegFileSize = Int(jpegFileSizeStr),
let rating = attributeDict["rating"],
let isRatingLockedStr = attributeDict["is_rating_locked"],
let hasChildrenStr = attributeDict["has_children"],
let parentId = attributeDict["parent_id"],
let status = attributeDict["status"],
let isPendingStr = attributeDict["is_pending"],
let widthStr = attributeDict["width"],
let width = Int(widthStr),
let heightStr = attributeDict["height"],
let height = Int(heightStr),
let isHeldStr = attributeDict["is_held"],
let framesPendingString = attributeDict["frames_pending_string"],
let framesString = attributeDict["frames_string"],
let isNoteLockedStr = attributeDict["is_note_locked"],
let lastNotedAtStr = attributeDict["last_noted_at"],
let lastNotedAt = Int(lastNotedAtStr),
let lastCommentedAtStr = attributeDict["last_commented_at"],
let lastCommentedAt = Int(lastCommentedAtStr)
else {
return
}
currentPost = MoebooruPost(
id: id,
tags: tags.components(separatedBy: " "),
createdAt: createdAt,
updatedAt: updatedAt,
creatorID: creatorId,
approverID: approverId,
author: author,
change: change,
source: source,
score: score,
md5: md5,
fileSize: fileSize,
fileExtension: fileExt,
fileURL: URL(string: fileUrl)!,
isShownInIndex: isShownStr == "true",
previewURL: URL(string: previewUrl)!,
previewWidth: previewWidth,
previewHeight: previewHeight,
actualPreviewWidth: actualPreviewWidth,
actualPreviewHeight: actualPreviewHeight,
sampleURL: URL(string: sampleUrl)!,
sampleWidth: sampleWidth,
sampleHeight: sampleHeight,
sampleFileSize: sampleFileSize,
jpegURL: URL(string: jpegUrl)!,
jpegWidth: jpegWidth,
jpegHeight: jpegHeight,
jpegFileSize: jpegFileSize,
rating: rating,
isRatingLocked: isRatingLockedStr == "true",
hasChildren: hasChildrenStr == "true",
parentId: parentId,
status: status,
isPending: isPendingStr == "true",
width: width,
height: height,
isHeld: isHeldStr == "true",
framesPendingString: framesPendingString,
framesString: framesString,
isNoteLocked: isNoteLockedStr == "true",
lastNotedAt: lastNotedAt,
lastCommentedAt: lastCommentedAt
)
}
}
func parser(_: XMLParser, didEndElement elementName: String, namespaceURI _: String?, qualifiedName _: String?) {
if elementName == "post", let post = currentPost {
posts.append(post)
currentPost = nil
}
}
#if DEBUG
func parser(_: XMLParser, parseErrorOccurred parseError: any Error) {
print(parseError)
}
#endif
}
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