feat: complete large-book pagination runtime and UI coverage

2026-06-03 17:47:16 +08:00
parent 584976ac5f
commit feb05eaf87
53 changed files with 6307 additions and 5126 deletions
@@ -146,6 +146,12 @@ struct RDEPUBCoreTextPageFrameFactory: RDEPUBPageFrameBuilding {
        let endLocation = lastValidLine.location + lastValidLine.length
        let adjustedLength = endLocation - proposed.location
        guard adjustedLength > 0 else { return proposed }
+
+        if ProcessInfo.processInfo.arguments.contains("--demo-pagination-debug") {
+            let removedText = (attributedString.string as NSString).substring(with: NSRange(location: endLocation, length: min(proposed.length - adjustedLength, 40)))
+            print("[PAGINATION-DEBUG] avoidPageBreakInside removed \(linesToRemove) lines: \"\(removedText)\"")
+        }
+
        return NSRange(location: proposed.location, length: adjustedLength)
    }

@@ -180,6 +186,12 @@ struct RDEPUBCoreTextPageFrameFactory: RDEPUBPageFrameBuilding {
        let endLocation = lastValidLine.location + lastValidLine.length
        let adjustedLength = endLocation - proposed.location
        guard adjustedLength > 0 else { return proposed }
+
+        if ProcessInfo.processInfo.arguments.contains("--demo-pagination-debug") {
+            let removedText = (attributedString.string as NSString).substring(with: NSRange(location: endLocation, length: min(proposed.length - adjustedLength, 40)))
+            print("[PAGINATION-DEBUG] keepWithNext removed \(linesToRemove) lines: \"\(removedText)\"")
+        }
+
        return NSRange(location: proposed.location, length: adjustedLength)
    }

@@ -317,6 +329,12 @@ struct RDEPUBCoreTextPageFrameFactory: RDEPUBPageFrameBuilding {
        let keptLine = lineRanges[lineRanges.count - 2]
        let adjustedLength = NSMaxRange(keptLine) - proposed.location
        guard adjustedLength > 0 else { return nil }
+
+        if ProcessInfo.processInfo.arguments.contains("--demo-pagination-debug") {
+            let removedText = (attributedString.string as NSString).substring(with: NSRange(location: NSMaxRange(keptLine), length: min(proposed.length - adjustedLength, 40)))
+            print("[PAGINATION-DEBUG] widow control removed 1 line: \"\(removedText)\" paragraphRange=\(NSStringFromRange(paragraphRange))")
+        }
+
        return NSRange(location: proposed.location, length: adjustedLength)
    }