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1 #include "dictionary.h"
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2
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3 #include <tntdb.h>
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4 #include <boost/algorithm/string.hpp>
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5
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6 const std::vector<std::string> dictionary::supported_languages = {"gb", "no"};
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7 std::map<std::string, std::map<std::string, std::string>> dictionary::m_inMemoryTranslations;
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8
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9 template<typename T>
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10 std::string join(const std::vector<T> in,
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11 const std::string & separator =", ", // see 1.
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12 const std::string & concluder =" ") // see 1.
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13 {
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14 std::ostringstream ss;
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15 std::size_t i = 0;
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16 for(; i<in.size() - 1; i++)
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17 {
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18 ss << in[i] << separator;
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19 }
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20
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21 ss << in[i] << concluder;
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22 return ss.str();
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23 }
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24
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25 std::string dictionary::translate(const std::string & what, const std::string &target_language, bool other_languages_too, std::map<std::string, std::string> &translations)
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26 {
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27 std::string result_translation;
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28 bool found = false;
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29
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30 try {
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31 tntdb::Connection conn = tntdb::connect("sqlite:lang.db");
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32
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33 // TODO: prepared statement
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34
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35 std::string v = "select " + join(supported_languages) + " from translations where source='" + what + "'";
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36 tntdb::Result result = conn.select(v);
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37 for (tntdb::Result::const_iterator it = result.begin(); it != result.end(); ++it)
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38 {
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39 tntdb::Row row = *it;
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40
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41 for(size_t i=0; i<row.size(); i++)
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42 {
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43 std::string row_name = boost::to_lower_copy(row.getName(i));
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44
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45 if(other_languages_too)
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46 {
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47 std::string temp;
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48 row[i].get(temp);
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49 translations[row_name] = temp;
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50 }
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51
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52 if(row_name == boost::to_lower_copy(target_language))
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53 {
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54 row[i].get(result_translation);
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55 found = true;
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56 }
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57 }
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58 }
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59
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60 }
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61 catch (std::exception& ex)
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62 {
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63 std::cerr << ex.what();
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64 return "";
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65 }
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66
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67 if(!found)
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68 {
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69 if(m_inMemoryTranslations.count(what))
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70 {
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71 for(const auto& l : supported_languages)
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72 {
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73 if(m_inMemoryTranslations[what].count(l))
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74 {
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75 translations[l] = m_inMemoryTranslations[what][l];
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76 }
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77 }
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78 if(m_inMemoryTranslations[what].count(target_language))
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79 {
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80 result_translation = m_inMemoryTranslations[what][target_language];
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81 }
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82 }
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83 }
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84
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85 return result_translation;
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86 }
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87
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88 std::string dictionary::translate(const std::string &what, const std::string &target_language)
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89 {
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90 std::map<std::string, std::string> translations;
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91 return translate(what, target_language, false, translations);
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92 }
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93
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94 void dictionary::add_translation(const std::string &key, const std::string &language, const std::string &translated)
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95 {
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96 m_inMemoryTranslations[key][language] = translated;
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97 }
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