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1 /* |
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2 ********************************************************************** |
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3 * Copyright (C) 1999-2011, International Business Machines |
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4 * Corporation and others. All Rights Reserved. |
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5 ********************************************************************** |
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6 * Date Name Description |
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7 * 11/17/99 aliu Creation. |
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8 ********************************************************************** |
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9 */ |
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10 |
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11 #include "unicode/utypes.h" |
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12 #include "umutex.h" |
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13 |
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14 #if !UCONFIG_NO_TRANSLITERATION |
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15 |
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16 #include "unicode/unistr.h" |
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17 #include "unicode/uniset.h" |
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18 #include "rbt_data.h" |
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19 #include "hash.h" |
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20 #include "cmemory.h" |
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21 |
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22 U_NAMESPACE_BEGIN |
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23 |
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24 TransliterationRuleData::TransliterationRuleData(UErrorCode& status) |
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25 : UMemory(), ruleSet(status), variableNames(status), |
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26 variables(0), variablesAreOwned(TRUE) |
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27 { |
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28 if (U_FAILURE(status)) { |
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29 return; |
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30 } |
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31 variableNames.setValueDeleter(uprv_deleteUObject); |
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32 variables = 0; |
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33 variablesLength = 0; |
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34 } |
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35 |
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36 TransliterationRuleData::TransliterationRuleData(const TransliterationRuleData& other) : |
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37 UMemory(other), ruleSet(other.ruleSet), |
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38 variablesAreOwned(TRUE), |
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39 variablesBase(other.variablesBase), |
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40 variablesLength(other.variablesLength) |
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41 { |
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42 UErrorCode status = U_ZERO_ERROR; |
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43 int32_t i = 0; |
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44 variableNames.setValueDeleter(uprv_deleteUObject); |
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45 int32_t pos = -1; |
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46 const UHashElement *e; |
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47 while ((e = other.variableNames.nextElement(pos)) != 0) { |
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48 UnicodeString* value = |
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49 new UnicodeString(*(const UnicodeString*)e->value.pointer); |
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50 // Exit out if value could not be created. |
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51 if (value == NULL) { |
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52 return; |
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53 } |
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54 variableNames.put(*(UnicodeString*)e->key.pointer, value, status); |
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55 } |
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56 |
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57 variables = 0; |
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58 if (other.variables != 0) { |
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59 variables = (UnicodeFunctor **)uprv_malloc(variablesLength * sizeof(UnicodeFunctor *)); |
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60 /* test for NULL */ |
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61 if (variables == 0) { |
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62 status = U_MEMORY_ALLOCATION_ERROR; |
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63 return; |
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64 } |
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65 for (i=0; i<variablesLength; ++i) { |
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66 variables[i] = other.variables[i]->clone(); |
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67 if (variables[i] == NULL) { |
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68 status = U_MEMORY_ALLOCATION_ERROR; |
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69 break; |
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70 } |
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71 } |
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72 } |
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73 // Remove the array and exit if memory allocation error occured. |
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74 if (U_FAILURE(status)) { |
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75 for (int32_t n = i-1; n >= 0; n++) { |
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76 delete variables[n]; |
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77 } |
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78 uprv_free(variables); |
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79 variables = NULL; |
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80 return; |
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81 } |
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82 |
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83 // Do this last, _after_ setting up variables[]. |
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84 ruleSet.setData(this); // ruleSet must already be frozen |
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85 } |
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86 |
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87 TransliterationRuleData::~TransliterationRuleData() { |
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88 if (variablesAreOwned && variables != 0) { |
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89 for (int32_t i=0; i<variablesLength; ++i) { |
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90 delete variables[i]; |
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91 } |
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92 } |
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93 uprv_free(variables); |
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94 } |
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95 |
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96 UnicodeFunctor* |
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97 TransliterationRuleData::lookup(UChar32 standIn) const { |
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98 int32_t i = standIn - variablesBase; |
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99 return (i >= 0 && i < variablesLength) ? variables[i] : 0; |
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100 } |
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101 |
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102 UnicodeMatcher* |
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103 TransliterationRuleData::lookupMatcher(UChar32 standIn) const { |
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104 UnicodeFunctor *f = lookup(standIn); |
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105 return (f != 0) ? f->toMatcher() : 0; |
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106 } |
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107 |
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108 UnicodeReplacer* |
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109 TransliterationRuleData::lookupReplacer(UChar32 standIn) const { |
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110 UnicodeFunctor *f = lookup(standIn); |
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111 return (f != 0) ? f->toReplacer() : 0; |
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112 } |
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113 |
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114 |
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115 U_NAMESPACE_END |
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116 |
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117 #endif /* #if !UCONFIG_NO_TRANSLITERATION */ |