From 2aa4a82499d4becd2284cdb482213d541b8804dd Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 16:29:10 +0200
Subject: Adding upstream version 86.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 toolkit/mozapps/update/common/readstrings.h | 91 +++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 toolkit/mozapps/update/common/readstrings.h

(limited to 'toolkit/mozapps/update/common/readstrings.h')

diff --git a/toolkit/mozapps/update/common/readstrings.h b/toolkit/mozapps/update/common/readstrings.h
new file mode 100644
index 0000000000..9e0ebbefb5
--- /dev/null
+++ b/toolkit/mozapps/update/common/readstrings.h
@@ -0,0 +1,91 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef READSTRINGS_H__
+#define READSTRINGS_H__
+
+#include "mozilla/Maybe.h"
+#include "mozilla/UniquePtr.h"
+
+#include <vector>
+
+#ifdef XP_WIN
+#  include <windows.h>
+typedef WCHAR NS_tchar;
+#else
+typedef char NS_tchar;
+#endif
+
+struct StringTable {
+  mozilla::UniquePtr<char[]> title;
+  mozilla::UniquePtr<char[]> info;
+};
+
+/**
+ * This function reads in localized strings from updater.ini
+ */
+int ReadStrings(const NS_tchar* path, StringTable* results);
+
+/**
+ * This function reads in localized strings corresponding to the keys from a
+ * given .ini
+ */
+int ReadStrings(const NS_tchar* path, const char* keyList,
+                unsigned int numStrings, mozilla::UniquePtr<char[]>* results,
+                const char* section = nullptr);
+
+/**
+ * This class is meant to be a slightly cleaner interface into the ReadStrings
+ * function.
+ */
+class IniReader {
+ public:
+  // IniReader must be initialized with the path of the INI file and a
+  // section to read from. If the section is null or not specified, the
+  // default section name ("Strings") will be used.
+  explicit IniReader(const NS_tchar* iniPath, const char* section = nullptr);
+
+  // Records a key that ought to be read from the INI file. When
+  // IniReader::Read() is invoked it will, if successful, store the value
+  // corresponding to the given key in the UniquePtr given.
+  // If IniReader::Read() has already been invoked, these functions do nothing.
+  // The given key must not be the empty string.
+  void AddKey(const char* key, mozilla::UniquePtr<char[]>* outputPtr);
+#ifdef XP_WIN
+  void AddKey(const char* key, mozilla::UniquePtr<wchar_t[]>* outputPtr);
+#endif
+  bool HasRead() { return mMaybeStatusCode.isSome(); }
+  // Performs the actual reading and assigns values to the requested locations.
+  // Returns the same possible values that `ReadStrings` returns.
+  // If this is called more than once, no action will be taken on subsequent
+  // calls, and the stored status code will be returned instead.
+  int Read();
+
+ private:
+  bool MaybeAddKey(const char* key, size_t& insertionIndex);
+
+  mozilla::UniquePtr<NS_tchar[]> mPath;
+  mozilla::UniquePtr<char[]> mSection;
+  std::vector<mozilla::UniquePtr<char[]>> mKeys;
+
+  template <class T>
+  struct ValueOutput {
+    size_t keyIndex;
+    T* outputPtr;
+  };
+
+  // Stores associations between keys and the buffers where their values will
+  // be stored.
+  std::vector<ValueOutput<mozilla::UniquePtr<char[]>>> mNarrowOutputs;
+#ifdef XP_WIN
+  std::vector<ValueOutput<mozilla::UniquePtr<wchar_t[]>>> mWideOutputs;
+#endif
+  // If we have attempted to read the INI, this will store the resulting
+  // status code.
+  mozilla::Maybe<int> mMaybeStatusCode;
+};
+
+#endif  // READSTRINGS_H__
-- 
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