/* ----------------------------------------------------------------- */
/*           The Japanese TTS System "Open JTalk"                    */
/*           developed by HTS Working Group                          */
/*           http://open-jtalk.sourceforge.net/                      */
/* ----------------------------------------------------------------- */
/*                                                                   */
/*  Copyright (c) 2008-2011  Nagoya Institute of Technology          */
/*                           Department of Computer Science          */
/*                                                                   */
/* All rights reserved.                                              */
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/* without modification, are permitted provided that the following   */
/* conditions are met:                                               */
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/*   notice, this list of conditions and the following disclaimer.   */
/* - Redistributions in binary form must reproduce the above         */
/*   copyright notice, this list of conditions and the following     */
/*   disclaimer in the documentation and/or other materials provided */
/*   with the distribution.                                          */
/* - Neither the name of the HTS working group nor the names of its  */
/*   contributors may be used to endorse or promote products derived */
/*   from this software without specific prior written permission.   */
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/* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,       */
/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF          */
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/* ----------------------------------------------------------------- */

#ifndef NJD_SET_DIGIT_C
#define NJD_SET_DIGIT_C

#ifdef __cplusplus
#define NJD_SET_DIGIT_C_START extern "C" {
#define NJD_SET_DIGIT_C_END   }
#else
#define NJD_SET_DIGIT_C_START
#define NJD_SET_DIGIT_C_END
#endif                          /* __CPLUSPLUS */

NJD_SET_DIGIT_C_START;

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "njd.h"
#include "njd_set_digit.h"

#if defined(CHARSET_EUC_JP)
#include "njd_set_digit_rule_euc_jp.h"
#elif defined(CHARSET_SHIFT_JIS)
#include "njd_set_digit_rule_shift_jis.h"
#elif defined(CHARSET_UTF_8)
#include "njd_set_digit_rule_utf_8.h"
#else
#error CHARSET is not specified
#endif

#define MAXBUFLEN 1024

static int strtopcmp(char *str, const char *pattern)
{
   int i;

   for (i = 0;; i++) {
      if (pattern[i] == '\0')
         return i;
      if (str[i] == '\0')
         return -1;
      if (str[i] != pattern[i])
         return -1;
   }
}

static int get_digit(NJDNode * node, int convert_flag)
{
   int i;

   if (NJDNode_get_string(node) == NULL)
      return -1;

   if (strcmp(NJDNode_get_pos_group1(node), NJD_SET_DIGIT_KAZU) == 0)
      for (i = 0; njd_set_digit_rule_numeral_list1[i] != NULL; i += 3)
         if (strcmp(njd_set_digit_rule_numeral_list1[i], NJDNode_get_string(node)) == 0) {
            if (convert_flag == 1) {
               NJDNode_set_string(node, (char *) njd_set_digit_rule_numeral_list1[i + 2]);
               NJDNode_set_orig(node, (char *) njd_set_digit_rule_numeral_list1[i + 2]);
            }
            return atoi(njd_set_digit_rule_numeral_list1[i + 1]);
         }

   return -1;
}

static int get_digit_sequence_score(NJDNode * start, NJDNode * end)
{
   char *buff_pos_group1 = NULL;
   char *buff_pos_group2 = NULL;
   char *buff_string = NULL;
   int score = 0;

   if (start->prev) {
      buff_pos_group1 = NJDNode_get_pos_group1(start->prev);
      buff_pos_group2 = NJDNode_get_pos_group2(start->prev);
      buff_string = NJDNode_get_string(start->prev);
      if (strcmp(buff_pos_group1, NJD_SET_DIGIT_SUUSETSUZOKU) == 0)     /* prev pos_group1 */
         score += 2;
      else if (strcmp(buff_pos_group1, NJD_SET_DIGIT_KAZU) == 0) {
         if (buff_string != NULL
             && (strcmp(buff_string, NJD_SET_DIGIT_TEN1) == 0
                 || strcmp(buff_string, NJD_SET_DIGIT_TEN2) == 0))
            score -= 3;
      }
      if (strcmp(buff_pos_group2, NJD_SET_DIGIT_JOSUUSHI) == 0) /* prev pos_group2 */
         score += 1;
      if (buff_string != NULL) {
         if (strcmp(buff_string, NJD_SET_DIGIT_HAIHUN1) == 0)   /* prev string */
            score -= 2;
         else if (strcmp(buff_string, NJD_SET_DIGIT_HAIHUN2) == 0)
            score -= 2;
         else if (strcmp(buff_string, NJD_SET_DIGIT_HAIHUN3) == 0)
            score -= 2;
         else if (strcmp(buff_string, NJD_SET_DIGIT_KAKKO1) == 0)
            score -= 2;
         else if (strcmp(buff_string, NJD_SET_DIGIT_KAKKO2) == 0)
            score -= 2;
         else if (strcmp(buff_string, NJD_SET_DIGIT_BANGOU) == 0)
            score -= 2;
      }
      if (start->prev->prev) {
         buff_string = NJDNode_get_string(start->prev->prev);   /* prev prev string */
         if (buff_string != NULL && strcmp(buff_string, NJD_SET_DIGIT_BANGOU) == 0)
            score -= 2;
      }
   }
   if (end->next) {
      buff_pos_group2 = NJDNode_get_pos_group2(end->next);      /* next pos_group2 */
      buff_string = NJDNode_get_string(end->next);      /* next string */
      if (strcmp(buff_pos_group2, NJD_SET_DIGIT_JOSUUSHI) == 0)
         score += 2;
      if (buff_string != NULL) {
         if (strcmp(buff_string, NJD_SET_DIGIT_HAIHUN1) == 0)
            score -= 2;
         else if (strcmp(buff_string, NJD_SET_DIGIT_HAIHUN2) == 0)
            score -= 2;
         else if (strcmp(buff_string, NJD_SET_DIGIT_HAIHUN3) == 0)
            score -= 2;
         else if (strcmp(buff_string, NJD_SET_DIGIT_KAKKO1) == 0)
            score -= 2;
         else if (strcmp(buff_string, NJD_SET_DIGIT_KAKKO2) == 0)
            score -= 2;
         else if (strcmp(buff_string, NJD_SET_DIGIT_BANGOU) == 0)
            score -= 2;
         else if (strcmp(buff_string, NJD_SET_DIGIT_TEN1) == 0)
            score += 4;
         else if (strcmp(buff_string, NJD_SET_DIGIT_TEN2) == 0)
            score += 4;
      }
   }

   return score;
}

static void convert_digit_sequence(NJDNode * start, NJDNode * end)
{
   NJDNode *node;
   NJDNode *newnode;
   int digit;
   int place = 0;
   int index;
   int size = 0;
   int have = 0;

   if (get_digit_sequence_score(start, end) < 0)
      return;

   for (node = start; node != end->next; node = node->next)
      size++;
   if (size <= 1)
      return;
   index = size % 4;
   if (index == 0)
      index = 4;
   if (size > index)
      place = (size - index) / 4;
   index--;
   if (place > 17)
      return;

   for (node = start; node != end->next; node = node->next) {
      digit = get_digit(node, 0);
      if (index == 0) {
         if (digit == 0) {
            NJDNode_set_pron(node, NULL);
            NJDNode_set_acc(node, 0);
            NJDNode_set_mora_size(node, 0);
         } else {
            have = 1;
         }
         if (have == 1) {
            if (place > 0) {
               newnode = (NJDNode *) calloc(1, sizeof(NJDNode));
               NJDNode_initialize(newnode);
               NJDNode_load(newnode, (char *) njd_set_digit_rule_numeral_list3[place]);
               node = NJDNode_insert(node, node->next, newnode);
            }
            have = 0;
         }
         place--;
      } else {
         if (digit <= 1) {
            NJDNode_set_pron(node, NULL);
            NJDNode_set_acc(node, 0);
            NJDNode_set_mora_size(node, 0);
         }
         if (digit > 0) {
            newnode = (NJDNode *) calloc(1, sizeof(NJDNode));
            NJDNode_initialize(newnode);
            NJDNode_load(newnode, (char *) njd_set_digit_rule_numeral_list2[index]);
            node = NJDNode_insert(node, node->next, newnode);
            have = 1;
         }
      }
      index--;
      if (index < 0)
         index = 4 - 1;
   }
}

static int search_numerative_class(const char *list[], NJDNode * node)
{
   int i;
   char *str = NJDNode_get_string(node);

   if (str == NULL)
      return 0;
   for (i = 0; list[i] != NULL; i++) {
      if (strcmp(list[i], str) == 0)
         return 1;
   }
   return 0;
}

static void convert_digit_pron(const char *list[], NJDNode * node)
{
   int i;
   char *str = NJDNode_get_string(node);

   if (str == NULL)
      return;
   for (i = 0; list[i] != NULL; i += 4) {
      if (strcmp(list[i], str) == 0) {
         NJDNode_set_pron(node, (char *) list[i + 1]);
         NJDNode_set_acc(node, atoi(list[i + 2]));
         NJDNode_set_mora_size(node, atoi(list[i + 3]));
         return;
      }
   }
}

static void convert_numerative_pron(const char *list[], NJDNode * node1, NJDNode * node2)
{
   int i, j;
   int type = 0;
   char *str = NJDNode_get_string(node1);
   char buff[MAXBUFLEN];

   if (str == NULL)
      return;
   for (i = 0; list[i] != NULL; i += 2) {
      if (strcmp(list[i], str) == 0) {
         type = atoi(list[i + 1]);
         break;
      }
   }
   if (type == 1) {
      for (i = 0; njd_set_digit_rule_voiced_sound_symbol_list[i] != NULL; i += 2) {
         str = NJDNode_get_pron(node2);
         j = strtopcmp(str, njd_set_digit_rule_voiced_sound_symbol_list[i]);
         if (j >= 0) {
            strcpy(buff, njd_set_digit_rule_voiced_sound_symbol_list[i + 1]);
            strcat(buff, &str[j]);
            NJDNode_set_pron(node2, buff);
            break;
         }
      }
   } else if (type == 2) {
      for (i = 0; njd_set_digit_rule_semivoiced_sound_symbol_list[i] != NULL; i += 2) {
         str = NJDNode_get_pron(node2);
         j = strtopcmp(str, njd_set_digit_rule_semivoiced_sound_symbol_list[i]);
         if (j >= 0) {
            strcpy(buff, njd_set_digit_rule_semivoiced_sound_symbol_list[i + 1]);
            strcat(buff, &str[j]);
            NJDNode_set_pron(node2, buff);
            break;
         }
      }
   }
}

void njd_set_digit(NJD * njd)
{
   int i, j;
   NJDNode *s = NULL;
   NJDNode *e = NULL;
   NJDNode *node;
   int find = 0;

   /* convert digit sequence */
   for (node = njd->head; node != NULL; node = node->next) {
      if (get_digit(node, 1) >= 0) {
         if (s == NULL)
            s = node;
         if (node == njd->tail)
            e = node;
         find = 1;
      } else {
         if (s != NULL)
            e = node->prev;
      }
      if (s != NULL && e != NULL) {
         convert_digit_sequence(s, e);
         s = e = NULL;
      }
   }
   if (find == 0)
      return;
   NJD_remove_silent_node(njd);
   if (njd->head == NULL)
      return;

   /* convert feature of a decimal point */
   find = 0;
   for (node = njd->head->next; node != NULL; node = node->next) {
      if (NJDNode_get_string(node) != NULL) {
         if (node->next != NULL &&
             (strcmp(NJDNode_get_string(node), NJD_SET_DIGIT_TEN1) == 0 ||
              strcmp(NJDNode_get_string(node), NJD_SET_DIGIT_TEN2) == 0) &&
             strcmp(NJDNode_get_pos_group1(node->prev), NJD_SET_DIGIT_KAZU) == 0 &&
             strcmp(NJDNode_get_pos_group1(node->next), NJD_SET_DIGIT_KAZU) == 0) {
            NJDNode_load(node, NJD_SET_DIGIT_TEN_FEATURE);
            NJDNode_set_chain_flag(node, 1);
            find = 1;
            if (NJDNode_get_string(node->prev) != NULL) {
               if (strcmp(NJDNode_get_string(node->prev), NJD_SET_DIGIT_ZERO) == 0) {
                  NJDNode_set_pron(node->prev, NJD_SET_DIGIT_ZERO_BEFORE_DP);
                  NJDNode_set_mora_size(node->prev, 2);
               } else if (strcmp(NJDNode_get_string(node->prev), NJD_SET_DIGIT_TWO) == 0) {
                  NJDNode_set_pron(node->prev, NJD_SET_DIGIT_TWO_BEFORE_DP);
                  NJDNode_set_mora_size(node->prev, 2);
               } else if (strcmp(NJDNode_get_string(node->prev), NJD_SET_DIGIT_FIVE) == 0) {
                  NJDNode_set_pron(node->prev, NJD_SET_DIGIT_FIVE_BEFORE_DP);
                  NJDNode_set_mora_size(node->prev, 2);
               }
            }
         } else if (find > 0) {
            if (strcmp(NJDNode_get_pos_group1(node), NJD_SET_DIGIT_KAZU) == 0) {
               if (strcmp(NJDNode_get_string(node), NJD_SET_DIGIT_ZERO) == 0) {
                  NJDNode_set_pron(node, NJD_SET_DIGIT_ZERO_AFTER_DP);
                  NJDNode_set_mora_size(node, 2);
               } else if (node->next == NULL ||
                          (node->next != NULL &&
                           strcmp(NJDNode_get_pos_group2(node->next),
                                  NJD_SET_DIGIT_JOSUUSHI) != 0)) {
                  if (strcmp(NJDNode_get_string(node), NJD_SET_DIGIT_TWO) == 0) {
                     NJDNode_set_pron(node, NJD_SET_DIGIT_TWO_AFTER_DP);
                     NJDNode_set_mora_size(node, 2);
                  } else if (strcmp(NJDNode_get_string(node), NJD_SET_DIGIT_FIVE) == 0) {
                     NJDNode_set_pron(node, NJD_SET_DIGIT_FIVE_AFTER_DP);
                     NJDNode_set_mora_size(node, 2);
                  }
               }
               if (find % 2 == 1)
                  NJDNode_set_chain_flag(node, 0);
               else
                  NJDNode_set_chain_flag(node, 1);
               find++;
            } else {
               find = 0;
            }
         }
      }
   }

   for (node = njd->head->next; node != NULL; node = node->next) {
      if (strcmp(NJDNode_get_pos_group1(node->prev), NJD_SET_DIGIT_KAZU) == 0) {
         if (strcmp(NJDNode_get_pos_group2(node), NJD_SET_DIGIT_JOSUUSHI) == 0) {
            /* convert digit pron */
            if (search_numerative_class(njd_set_digit_rule_numerative_class1b, node) == 1)
               convert_digit_pron(njd_set_digit_rule_conv_table1b, node->prev);
            else if (search_numerative_class(njd_set_digit_rule_numerative_class1c, node) == 1)
               convert_digit_pron(njd_set_digit_rule_conv_table1c, node->prev);
            else if (search_numerative_class(njd_set_digit_rule_numerative_class1d, node) == 1)
               convert_digit_pron(njd_set_digit_rule_conv_table1d, node->prev);
            else if (search_numerative_class(njd_set_digit_rule_numerative_class1e, node) == 1)
               convert_digit_pron(njd_set_digit_rule_conv_table1e, node->prev);
            else if (search_numerative_class(njd_set_digit_rule_numerative_class1f, node) == 1)
               convert_digit_pron(njd_set_digit_rule_conv_table1f, node->prev);
            else if (search_numerative_class(njd_set_digit_rule_numerative_class1g, node) == 1)
               convert_digit_pron(njd_set_digit_rule_conv_table1g, node->prev);
            else if (search_numerative_class(njd_set_digit_rule_numerative_class1h, node) == 1)
               convert_digit_pron(njd_set_digit_rule_conv_table1h, node->prev);
            else if (search_numerative_class(njd_set_digit_rule_numerative_class1i, node) == 1)
               convert_digit_pron(njd_set_digit_rule_conv_table1i, node->prev);
            else if (search_numerative_class(njd_set_digit_rule_numerative_class1j, node) == 1)
               convert_digit_pron(njd_set_digit_rule_conv_table1j, node->prev);
            else if (search_numerative_class(njd_set_digit_rule_numerative_class1k, node) == 1)
               convert_digit_pron(njd_set_digit_rule_conv_table1k, node->prev);
            /* convert numerative pron */
            if (search_numerative_class(njd_set_digit_rule_numerative_class2b, node) == 1)
               convert_numerative_pron(njd_set_digit_rule_conv_table2b, node->prev, node);
            else if (search_numerative_class(njd_set_digit_rule_numerative_class2c, node) == 1)
               convert_numerative_pron(njd_set_digit_rule_conv_table2c, node->prev, node);
            else if (search_numerative_class(njd_set_digit_rule_numerative_class2d, node) == 1)
               convert_numerative_pron(njd_set_digit_rule_conv_table2d, node->prev, node);
            else if (search_numerative_class(njd_set_digit_rule_numerative_class2e, node) == 1)
               convert_numerative_pron(njd_set_digit_rule_conv_table2e, node->prev, node);
            else if (search_numerative_class(njd_set_digit_rule_numerative_class2f, node) == 1)
               convert_numerative_pron(njd_set_digit_rule_conv_table2f, node->prev, node);
            /* modify accent phrase */
            NJDNode_set_chain_flag(node->prev, 0);
            NJDNode_set_chain_flag(node, 1);
         }
      }
   }

   for (node = njd->head->next; node != NULL; node = node->next) {
      if (strcmp(NJDNode_get_pos_group1(node->prev), NJD_SET_DIGIT_KAZU) == 0) {
         if (strcmp(NJDNode_get_pos_group1(node), NJD_SET_DIGIT_KAZU) == 0
             && NJDNode_get_string(node->prev) != NULL && NJDNode_get_string(node) != NULL) {
            /* modify accent phrase */
            find = 0;
            for (i = 0; njd_set_digit_rule_numeral_list4[i] != NULL; i++) {
               if (strcmp(NJDNode_get_string(node->prev), njd_set_digit_rule_numeral_list4[i]) == 0) {
                  for (j = 0; njd_set_digit_rule_numeral_list5[j] != NULL; j++) {
                     if (strcmp(NJDNode_get_string(node), njd_set_digit_rule_numeral_list5[j]) == 0) {
                        NJDNode_set_chain_flag(node->prev, 0);
                        NJDNode_set_chain_flag(node, 1);
                        find = 1;
                        break;
                     }
                  }
                  break;
               }
            }
            if (find == 0) {
               for (i = 0; njd_set_digit_rule_numeral_list5[i] != NULL; i++) {
                  if (strcmp(NJDNode_get_string(node->prev), njd_set_digit_rule_numeral_list5[i]) ==
                      0) {
                     for (j = 0; njd_set_digit_rule_numeral_list4[j] != NULL; j++) {
                        if (strcmp(NJDNode_get_string(node), njd_set_digit_rule_numeral_list4[j]) ==
                            0) {
                           NJDNode_set_chain_flag(node, 0);
                           break;
                        }
                     }
                     break;
                  }
               }
            }
         }
         if (search_numerative_class(njd_set_digit_rule_numeral_list8, node) == 1)
            convert_digit_pron(njd_set_digit_rule_numeral_list9, node->prev);
         if (search_numerative_class(njd_set_digit_rule_numeral_list6, node) == 1)
            convert_numerative_pron(njd_set_digit_rule_numeral_list7, node->prev, node);
      }
   }

   for (node = njd->head->next; node != NULL; node = node->next) {
      if (node->next != NULL &&
          NJDNode_get_string(node->next) != NULL &&
          strcmp(NJDNode_get_pos_group1(node), NJD_SET_DIGIT_KAZU) == 0 &&
          strcmp(NJDNode_get_pos_group1(node->prev), NJD_SET_DIGIT_KAZU) != 0 &&
          strcmp(NJDNode_get_pos_group2(node->next), NJD_SET_DIGIT_JOSUUSHI) == 0) {
         /* convert class3 */
         for (i = 0; njd_set_digit_rule_numerative_class3[i] != NULL; i += 2) {
            if (strcmp(NJDNode_get_string(node->next), njd_set_digit_rule_numerative_class3[i]) == 0
                && strcmp(NJDNode_get_read(node->next),
                          njd_set_digit_rule_numerative_class3[i + 1]) == 0) {
               for (j = 0; njd_set_digit_rule_conv_table3[j] != NULL; j += 4) {
                  if (NJDNode_get_string(node) != NULL &&
                      strcmp(NJDNode_get_string(node), njd_set_digit_rule_conv_table3[j]) == 0) {
                     NJDNode_set_read(node, (char *) njd_set_digit_rule_conv_table3[j + 1]);
                     NJDNode_set_pron(node, (char *) njd_set_digit_rule_conv_table3[j + 1]);
                     NJDNode_set_acc(node, atoi(njd_set_digit_rule_conv_table3[j + 2]));
                     NJDNode_set_mora_size(node, atoi(njd_set_digit_rule_conv_table3[j + 3]));
                     break;
                  }
               }
               break;
            }
         }
         /* person */
         if (strcmp(NJDNode_get_string(node->next), NJD_SET_DIGIT_NIN) == 0) {
            for (i = 0; njd_set_digit_rule_conv_table4[i] != NULL; i += 2) {
               if (NJDNode_get_string(node) != NULL
                   && strcmp(NJDNode_get_string(node), njd_set_digit_rule_conv_table4[i]) == 0) {
                  NJDNode_load(node, (char *) njd_set_digit_rule_conv_table4[i + 1]);
                  NJDNode_set_pron(node->next, NULL);
                  break;
               }
            }
         }
         /* the day of month */
         if (strcmp(NJDNode_get_string(node->next), NJD_SET_DIGIT_NICHI) == 0
             && NJDNode_get_string(node) != NULL) {
            if (NJDNode_get_string(node->prev) != NULL
                && strstr(NJDNode_get_string(node->prev), NJD_SET_DIGIT_GATSU) != NULL
                && strcmp(NJDNode_get_string(node), NJD_SET_DIGIT_ONE) == 0) {
               NJDNode_load(node, NJD_SET_DIGIT_TSUITACHI);
               NJDNode_set_pron(node->next, NULL);
            } else {
               for (i = 0; njd_set_digit_rule_conv_table5[i] != NULL; i += 2) {
                  if (strcmp(NJDNode_get_string(node), njd_set_digit_rule_conv_table5[i]) == 0) {
                     NJDNode_load(node, (char *) njd_set_digit_rule_conv_table5[i + 1]);
                     NJDNode_set_pron(node->next, NULL);
                     break;
                  }
               }
            }
         } else if (strcmp(NJDNode_get_string(node->next), NJD_SET_DIGIT_NICHIKAN) == 0) {
            for (i = 0; njd_set_digit_rule_conv_table6[i] != NULL; i += 2) {
               if (strcmp(NJDNode_get_string(node), njd_set_digit_rule_conv_table6[i]) == 0) {
                  NJDNode_load(node, (char *) njd_set_digit_rule_conv_table6[i + 1]);
                  NJDNode_set_pron(node->next, NULL);
                  break;
               }
            }
         }
      }
   }

   NJD_remove_silent_node(njd);
   if (njd->head == NULL)
      return;
}

NJD_SET_DIGIT_C_END;

#endif                          /* !NJD_SET_DIGIT_C */
