Get rid of fcitx::getline usage

Author: wengxt

CMakeLists.txt

@@ -1,6 +1,7 @@
 cmake_minimum_required(VERSION 3.13)
 cmake_policy(SET CMP0063 NEW)
 project(fcitx5-cskk VERSION 1.2.0)
+set(REQUIIRED_FCITX_VERSION 5.1.13)
 set(CMAKE_CXX_FLAGS "-Wall")
 set(CMAKE_CXX_STANDARD 17)
 IF(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
@@ -20,8 +21,8 @@ set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 # See Fcitx5UtilsConfig.cmake
 add_definitions(-DFCITX_INSTALL_USE_FCITX_SYS_PATHS=ON)
 find_package(PkgConfig REQUIRED)
-find_package(Fcitx5Core 5.0.6 REQUIRED)
-find_package(Fcitx5Utils 5.0.6 REQUIRED)
+find_package(Fcitx5Core ${REQUIIRED_FCITX_VERSION} REQUIRED)
+find_package(Fcitx5Utils ${REQUIIRED_FCITX_VERSION} REQUIRED)
 
 # GITHUB_ACTION_BUILD_CSKK_VERSION=3.0.0
 pkg_check_modules(LIBCSKK REQUIRED IMPORTED_TARGET "cskk>=3.0")

src/cskk.cpp

@@ -17,9 +17,12 @@
 #include <cstdlib>
 #include <cstring>
 #include <fcitx-config/iniparser.h>
+#include <fcitx-utils/fdstreambuf.h>
+#include <fcitx-utils/stringutils.h>
 #include <fcitx/addonmanager.h>
 #include <fcitx/inputpanel.h>
 #include <filesystem>
+#include <istream>
 #include <string>
 #include <vector>
 
@@ -112,16 +115,16 @@ void FcitxCskkEngine::loadDictionary() {
   auto dict_config_file = StandardPath::global().open(
       StandardPath::Type::PkgData, "cskk/dictionary_list", O_RDONLY);
 
-  UniqueFilePtr fp(fdopen(dict_config_file.fd(), "rb"));
-  if (!fp) {
+  if (!dict_config_file.isValid()) {
     return;
   }
 
-  UniqueCPtr<char> buf;
-  size_t len = 0;
+  IFDStreamBuf buf(dict_config_file.fd());
+  std::istream in(&buf);
+  std::string line;
 
-  while (getline(buf, &len, fp.get()) != -1) {
-    const auto trimmed = stringutils::trim(buf.get());
+  while (std::getline(in, line)) {
+    const auto trimmed = stringutils::trimView(line);
     const auto tokens = stringutils::split(trimmed, ",");
 
     if (tokens.size() < 3) {