Moved BindingGenerator from gen html project. It makes more sense here.

2025-10-25 00:06:22 -04:00
parent 58a8419984
commit 603a0aa0e3
141 changed files with 12738 additions and 7 deletions
--- a/Sources/BindingGenerator/HTMLParser.swift
+++ b/Sources/BindingGenerator/HTMLParser.swift
@@ -0,0 +1,140 @@
+//
+//  HTMLParser.swift
+//
+//
+//  Created by Isaac Paul on 7/31/24.
+//
+
+public class HTMLText : HTMLNode, IFlowContent {
+    
+    public var content: String
+    
+    public init(content: String) {
+        self.content = content
+        try! super.init( expectedAttributes: [:])
+    }
+
+    override public func toString(_ depth:Int = 0, spacingStrat:SpacingStrat = .tabs) -> (Int, String) {
+        return (depth, content)
+    }
+}
+
+public class XMLText : XMLNode {
+    
+    public var content: String
+    
+    public init(content: String) {
+        self.content = content
+        super.init()
+    }
+}
+
+extension XMLParser {
+    public func readObjects(endTag:String? = nil, validTags:[String]? = nil) throws -> [HTMLNode] {
+        var allItems:[HTMLNode] = []
+        while let obj = try self.readObject(endTag: endTag, validTags: validTags, xmlToHtmlMapper) {
+            allItems.append(obj)
+        }
+        return allItems
+    }
+    
+    public func readObject(endTag:String? = nil, validTags:[String]? = nil, _ mapper:(_ name:String, _ attributes:[String:String], _ parser:XMLParser?)  throws -> HTMLNode) throws -> HTMLNode? {
+        let tag = try readToken()
+        switch (tag) {
+            case let .data(unicode):
+                var result = ""
+                result.unicodeScalars.append(contentsOf: unicode)
+                return HTMLText(content: result)
+            case .instruction:
+                throw AppError("Unexpected Instruction")
+            case let .tag_empty(name, attributes):
+                if let validTags = validTags {
+                    if (validTags.firstIndex(of: name) == nil) {
+                        throw AppError("Invalid tag: \(name) for element \(endTag ?? "root")")
+                    }
+                }
+                let mapped = try mapper(name, attributes, nil)
+                return mapped
+            case let .tag_end(name):
+                if let tag = endTag,
+                    name != tag {
+                    throw AppError("Unexpected end tag: \(name) for element \(tag)")
+                }
+                return nil
+            case let .tag_start(name, attributes):
+                if let validTags = validTags {
+                    if (validTags.firstIndex(of: name) == nil) {
+                        throw AppError("Invalid tag: \(name) for element \(endTag ?? "root")")
+                    }
+                }
+                return try mapper(name, attributes, self)
+            case .none:
+                if (endTag == nil) {
+                    return nil
+                } else {
+                    throw AppError("Reached end of document before closing tag: \(endTag ?? "root")")
+                }
+        }
+    }
+    
+    public func readObjectXml(endTag:String? = nil, validTags:[String]? = nil) throws -> XMLNode? {
+        let tag = try readToken()
+        switch (tag) {
+            case let .data(unicode):
+                var result = ""
+                result.unicodeScalars.append(contentsOf: unicode)
+                return XMLText(content: result)
+            case .instruction:
+                throw AppError("Unexpected Instruction")
+            case let .tag_empty(name, attributes):
+                if let validTags = validTags {
+                    if (validTags.firstIndex(of: name) == nil) {
+                        throw AppError("Invalid tag: \(name) for element  \(endTag ?? "root")")
+                    }
+                }
+                return try GenericXMLNode(name, attributes, nil)
+            case let .tag_end(name):
+                if let tag = endTag,
+                    name != tag {
+                    throw AppError("Unexpected end tag: \(name) for element \(tag)")
+                }
+                return nil
+            case let .tag_start(name, attributes):
+                if let validTags = validTags {
+                    if (validTags.firstIndex(of: name) == nil) {
+                        throw AppError("Invalid tag: \(name) for element \(endTag ?? "root")")
+                    }
+                }
+                return try GenericXMLNode(name, attributes, self)
+            case .none:
+                if (endTag == nil) {
+                    return nil
+                } else {
+                    throw AppError("Reached end of document before closing tag: \(endTag ?? "root")")
+                }
+        }
+    }
+    
+    public func readDataAsString(endTag:String) throws -> String? {
+        let tag = try readToken()
+        switch (tag) {
+            case let .data(unicode):
+                var result = ""
+                result.unicodeScalars.append(contentsOf: unicode)
+                return result
+            case .instruction:
+                throw AppError("Unexpected Instruction")
+            case let .tag_empty(name, attributes):
+                throw AppError("Unexpected empty tag: \(name)")
+            case let .tag_end(name):
+                if (name != endTag) {
+                    throw AppError("Unexpected end tag: \(name)")
+                }
+                return nil
+            case let .tag_start(name, attributes):
+                throw AppError("Unexpected tag start: \(name)")
+            case .none:
+                throw AppError("Reached end of document before closing tag: \(endTag)")
+        }
+    }
+}