Support correction for shuangpin. (#90)

Co-authored-by: Weng Xuetian <[email protected]>

Author: bennyyip

src/libime/pinyin/pinyincorrectionprofile.cpp

@@ -47,6 +47,7 @@ getProfileMapping(BuiltinPinyinCorrectionProfile profile) {
 class PinyinCorrectionProfilePrivate {
 public:
     PinyinMap pinyinMap_;
+    std::unordered_map<char, std::vector<char>> correctionMap_;
 };
 
 PinyinCorrectionProfile::PinyinCorrectionProfile(
@@ -57,6 +58,7 @@ PinyinCorrectionProfile::PinyinCorrectionProfile(
     const std::unordered_map<char, std::vector<char>> &mapping)
     : d_ptr(std::make_unique<PinyinCorrectionProfilePrivate>()) {
     FCITX_D();
+    d->correctionMap_ = mapping;
     // Fill with the original pinyin map.
     d->pinyinMap_ = getPinyinMapV2();
     if (mapping.empty()) {
@@ -93,4 +95,9 @@ const PinyinMap &PinyinCorrectionProfile::pinyinMap() const {
     return d->pinyinMap_;
 }
 
-} // namespace libime
+const std::unordered_map<char, std::vector<char>> &
+PinyinCorrectionProfile::correctionMap() const {
+    FCITX_D();
+    return d->correctionMap_;
+}
+} // namespace libime

src/libime/pinyin/pinyincorrectionprofile.h

@@ -64,6 +64,15 @@ class LIBIMEPINYIN_EXPORT PinyinCorrectionProfile {
      * @see getPinyinMapV2
      */
     const PinyinMap &pinyinMap() const;
+    /**
+     * Return the correction mapping.
+     *
+     * E.g. w may be corrected to q,e, the mapping will contain {'w': ['q',
+     * 'e']}.
+     *
+     * @see getPinyinMapV2
+     */
+    const std::unordered_map<char, std::vector<char>> &correctionMap() const;
 
 private:
     FCITX_DECLARE_PRIVATE(PinyinCorrectionProfile);
@@ -72,4 +81,4 @@ class LIBIMEPINYIN_EXPORT PinyinCorrectionProfile {
 
 } // namespace libime
 
-#endif
+#endif