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DataCompiler // Avoid segmentation faults.

This commit is contained in:
ShikiSuen 2023-12-03 17:34:20 +08:00
parent 5ef9a5b012
commit 19339d8195
1 changed files with 8 additions and 37 deletions
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45
DataCompiler/dataCompiler.swift
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@ -28,39 +28,12 @@ fileprivate extension String {
} }
} }
// MARK: - Safe APIs for using SQLite Statements.
func performStatement(_ handler: (inout OpaquePointer?) -> Bool) -> Bool {
var ptrStmt: OpaquePointer?
defer {
sqlite3_finalize(ptrStmt)
ptrStmt = nil
}
return handler(&ptrStmt)
}
func performStatementSansResult(_ handler: (inout OpaquePointer?) -> Void) {
var ptrStmt: OpaquePointer?
defer {
sqlite3_finalize(ptrStmt)
ptrStmt = nil
}
handler(&ptrStmt)
}
// MARK: - String as SQL Command // MARK: - String as SQL Command
fileprivate extension String { fileprivate extension String {
@discardableResult func runAsSQLExec(dbPointer ptrDB: inout OpaquePointer?) -> Bool { @discardableResult func runAsSQLExec(dbPointer ptrDB: inout OpaquePointer?) -> Bool {
ptrDB != nil && sqlite3_exec(ptrDB, self, nil, nil, nil) == SQLITE_OK ptrDB != nil && sqlite3_exec(ptrDB, self, nil, nil, nil) == SQLITE_OK
} }
@discardableResult func runAsSQLPreparedStep(dbPointer ptrDB: inout OpaquePointer?) -> Bool {
guard ptrDB != nil else { return false }
return performStatement { ptrStmt in
sqlite3_prepare_v2(ptrDB, self, -1, &ptrStmt, nil) == SQLITE_OK && sqlite3_step(ptrStmt) == SQLITE_DONE
}
}
} }
// MARK: - StringView Ranges Extension (by Isaac Xen) // MARK: - StringView Ranges Extension (by Isaac Xen)
@ -236,7 +209,7 @@ func prepareDatabase() -> Bool {
let safeKey = encryptedKey.replacingOccurrences(of: "'", with: "''") let safeKey = encryptedKey.replacingOccurrences(of: "'", with: "''")
let valueText = arrValues.joined(separator: "\t").replacingOccurrences(of: "'", with: "''") let valueText = arrValues.joined(separator: "\t").replacingOccurrences(of: "'", with: "''")
let sqlStmt = "INSERT INTO DATA_MAIN (theKey, \(columnName)) VALUES ('\(safeKey)', '\(valueText)') ON CONFLICT(theKey) DO UPDATE SET \(columnName)='\(valueText)';" let sqlStmt = "INSERT INTO DATA_MAIN (theKey, \(columnName)) VALUES ('\(safeKey)', '\(valueText)') ON CONFLICT(theKey) DO UPDATE SET \(columnName)='\(valueText)';"
guard sqlStmt.runAsSQLPreparedStep(dbPointer: &ptrSQL) else { guard sqlStmt.runAsSQLExec(dbPointer: &ptrSQL) else {
print("Failed: " + sqlStmt) print("Failed: " + sqlStmt)
return false return false
} }
@ -250,7 +223,7 @@ func prepareDatabase() -> Bool {
let safeKey = encryptedKey.replacingOccurrences(of: "'", with: "''") let safeKey = encryptedKey.replacingOccurrences(of: "'", with: "''")
let valueText = arrValues.joined(separator: "\t").replacingOccurrences(of: "'", with: "''") let valueText = arrValues.joined(separator: "\t").replacingOccurrences(of: "'", with: "''")
let sqlStmt = "INSERT INTO DATA_REV (theChar, theReadings) VALUES ('\(safeKey)', '\(valueText)') ON CONFLICT(theChar) DO UPDATE SET theReadings='\(valueText)';" let sqlStmt = "INSERT INTO DATA_REV (theChar, theReadings) VALUES ('\(safeKey)', '\(valueText)') ON CONFLICT(theChar) DO UPDATE SET theReadings='\(valueText)';"
guard sqlStmt.runAsSQLPreparedStep(dbPointer: &ptrSQL) else { guard sqlStmt.runAsSQLExec(dbPointer: &ptrSQL) else {
print("Failed: " + sqlStmt) print("Failed: " + sqlStmt)
return false return false
} }
@ -1078,8 +1051,8 @@ var compileSQLite = true
func main() { func main() {
let arguments = CommandLine.arguments.compactMap { $0.lowercased() } let arguments = CommandLine.arguments.compactMap { $0.lowercased() }
let conditionMet = arguments.contains(where: { $0 == "--json" || $0 == "json" }) let jsonConditionMet = arguments.contains(where: { $0 == "--json" || $0 == "json" })
if conditionMet { if jsonConditionMet {
NSLog("// 接下來準備建置 JSON 格式的原廠辭典，同時生成用來偵錯的 TXT 副產物。") NSLog("// 接下來準備建置 JSON 格式的原廠辭典，同時生成用來偵錯的 TXT 副產物。")
compileJSON = true compileJSON = true
compileSQLite = false compileSQLite = false
@ -1089,11 +1062,9 @@ func main() {
compileSQLite = true compileSQLite = true
} }
if compileSQLite { if !prepareDatabase(), compileSQLite {
guard prepareDatabase() else { NSLog("// SQLite 資料庫初期化失敗。")
NSLog("// SQLite 資料庫初期化失敗。") exit(-1)
exit(-1)
}
} }
let globalQueue = DispatchQueue.global(qos: .default) let globalQueue = DispatchQueue.global(qos: .default)
let group = DispatchGroup() let group = DispatchGroup()
@ -1116,7 +1087,7 @@ func main() {
group.leave() group.leave()
} }
// 一直等待完成 // 一直等待完成
_ = group.wait(timeout: .distantFuture) group.wait()
NSLog("// 全部 TXT 辭典檔案建置完畢。") NSLog("// 全部 TXT 辭典檔案建置完畢。")
if compileJSON { if compileJSON {
NSLog("// 全部 JSON 辭典檔案建置完畢。") NSLog("// 全部 JSON 辭典檔案建置完畢。")