begin to write ChewingDaChenCP26Parser2 class

2 files changed, 69 insertions, 0 deletions

diff --git a/src/storage/pinyin_parser2.cpp b/src/storage/pinyin_parser2.cpp
index dde1cd2..55eba57 100644
--- a/src/storage/pinyin_parser2.cpp
+++ b/src/storage/pinyin_parser2.cpp
@@ -743,3 +743,49 @@ static int search_chewing_symbols2(const chewing_symbol_item_t * symbol_table,
     assert(0 <= num && num <= 2);
     return num;
 }
+
+ChewingDaChenCP26Parser2::ChewingDaChenCP26Parser2() {
+    m_chewing_index = bopomofo_index;
+    m_chewing_index_len = G_N_ELEMENTS(bopomofo_index);
+
+    m_initial_table = chewing_dachen_cp26_initials;
+    m_middle_table  = chewing_dachen_cp26_middles;
+    m_final_table   = chewing_dachen_cp26_finals;
+    m_tone_table    = chewing_dachen_cp26_tones;
+}
+
+bool ChewingDaChenCP26Parser2::in_chewing_scheme(pinyin_option_t options,
+                                                 const char key,
+                                                 const char ** symbol) const {
+    const gchar * chewing = NULL;
+    unsigned char tone = CHEWING_ZERO_TONE;
+
+    if (search_chewing_symbols(m_initial_table, key, &chewing)) {
+        if (symbol)
+            *symbol = chewing;
+        return true;
+    }
+
+    if (search_chewing_symbols(m_middle_table, key, &chewing)) {
+        if (symbol)
+            *symbol = chewing;
+        return true;
+    }
+
+    if (search_chewing_symbols(m_final_table, key, &chewing)) {
+        if (symbol)
+            *symbol = chewing;
+        return true;
+    }
+
+    if (!(options & USE_TONE))
+        return false;
+
+    if (search_chewing_tones(m_tone_table, key, &tone)) {
+        if (symbol)
+            *symbol = chewing_tone_table[tone];
+        return true;
+    }
+
+    return false;
+}
diff --git a/src/storage/pinyin_parser2.h b/src/storage/pinyin_parser2.h
index a58c7b6..948b0a3 100644
--- a/src/storage/pinyin_parser2.h
+++ b/src/storage/pinyin_parser2.h
@@ -195,6 +195,29 @@ public:
     bool in_chewing_scheme(pinyin_option_t options, const char key, const char ** symbol) const;
 };
 
+class ChewingDaChenCP26Parser2 : public PhoneticParser2
+{
+    /* some internal pointers to chewing scheme table. */
+    const chewing_index_item_t * m_chewing_index;
+    size_t m_chewing_index_len;
+    const chewing_symbol_item_t * m_initial_table;
+    const chewing_symbol_item_t * m_middle_table;
+    const chewing_symbol_item_t * m_final_table;
+    const chewing_tone_item_t   * m_tone_table;
+
+public:
+    ChewingDaChenCP26Parser2();
+
+    virtual ~ChewingDaChenCP26Parser2() {}
+
+    virtual bool parse_one_key(pinyin_option_t options, ChewingKey & key, const char *str, int len) const;
+
+    virtual int parse(pinyin_option_t options, ChewingKeyVector & keys, ChewingKeyRestVector & key_rests, const char *str, int len) const;
+
+public:
+    bool in_chewing_scheme(pinyin_option_t options, const char key, const char ** symbol) const;
+};
+
 /* compare pinyins with chewing internal representations. */
 inline int pinyin_compare_initial2(pinyin_option_t options,
                                    ChewingInitial lhs,