1 | #include "fun.h" |
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2 | #include "global.h" |
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3 | |
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4 | #include <time.h> |
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5 | #include <sys/time.h> |
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6 | |
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7 | #define SIZE 128 // default buffer size for generated dates |
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8 | |
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9 | static const char *ERROR_DATE = "\?\?-\?\?\?-\?\?\?\?"; |
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10 | |
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11 | static const char *MON[12] = { |
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12 | "JAN", "FEB", "MAR", |
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13 | "APR", "MAY", "JUN", |
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14 | "JUL", "AUG", "SEP", |
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15 | "OCT", "NOV", "DEC" |
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16 | }; |
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17 | |
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18 | static const char *Month[12] = { |
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19 | "January", "February", "March", |
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20 | "April", "May", "June", |
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21 | "July", "August", "September", |
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22 | "October", "November", "December" |
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23 | }; |
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24 | |
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25 | static unsigned char days_in_month[12+1] = { |
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26 | 0xFF, |
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27 | 31, 29, 31, 30, 31, 30, |
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28 | 31, 31, 30, 31, 30, 31 |
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29 | }; |
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30 | |
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31 | inline bool two_char(const char *str, char determ) { |
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32 | // Return true if Str has two determinator char. |
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33 | int count = 0; |
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34 | for (const char *d = strchr(str, determ); d; d = strchr(d+1, determ)) count++; |
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35 | return count; |
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36 | } |
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37 | |
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38 | inline int ismonth(const char *str) { |
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39 | // Return [1..12] if the char Str is one of 12 months. Case insensitive. |
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40 | for (int i = 0; i<12; i++) { |
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41 | if (str_iequal(str, MON[i])) { |
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42 | return i+1; |
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43 | } |
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44 | } |
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45 | return 0; |
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46 | } |
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47 | |
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48 | |
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49 | __ATTR__USERESULT static bool find_date(const char *date_string, int *month, int *day, int *year) { |
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50 | // Find day, month, year from date Str. |
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51 | char determ = ' '; |
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52 | if (two_char(date_string, '.')) determ = '.'; |
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53 | else if (two_char(date_string, '/')) determ = '/'; |
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54 | else if (two_char(date_string, '-')) determ = '-'; |
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55 | |
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56 | if (determ == ' ') return false; |
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57 | |
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58 | char token[20]; |
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59 | int nums[3] = { 0, 0, 0 }; |
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60 | int count = 0; |
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61 | int index = 0; |
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62 | |
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63 | int len = str0len(date_string); |
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64 | for (int indi = 0; indi <= len; indi++) { |
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65 | if (date_string[indi] == determ || indi == len) { |
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66 | token[index++] = '\0'; |
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67 | if (count == 1) { |
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68 | nums[count++] = ismonth(token); |
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69 | } |
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70 | else { |
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71 | nums[count++] = atoi(token); |
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72 | } |
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73 | index = 0; |
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74 | } |
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75 | else { |
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76 | token[index++] = date_string[indi]; |
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77 | } |
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78 | } |
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79 | *day = nums[0]; |
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80 | *month = nums[1]; |
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81 | *year = nums[2]; |
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82 | |
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83 | return true; |
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84 | } |
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85 | |
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86 | static int isdatenum(char *Str) { |
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87 | // Return number of day or year the Str represents. |
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88 | // If not day or year, return 0. |
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89 | int length, num, indi; |
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90 | |
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91 | length = str0len(Str); |
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92 | if (length > 4 || length < 1) |
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93 | return (0); |
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94 | for (indi = 0, num = 1; indi < length && num == 1; indi++) { |
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95 | if (!isdigit(Str[indi])) { |
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96 | num = 0; |
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97 | } |
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98 | } |
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99 | if (num == 1) |
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100 | num = atoi(Str); |
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101 | return (num); |
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102 | } |
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103 | |
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104 | class SetOnce { |
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105 | int num_; |
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106 | bool set_; |
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107 | bool is_set() const { return set_; } |
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108 | public: |
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109 | SetOnce() : num_(-1), set_(false) {} |
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110 | |
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111 | bool operator!() const { return !set_; } |
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112 | |
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113 | int value() const { ca_assert(is_set()); return num_; } |
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114 | void set(int val) { ca_assert(!is_set()); num_ = val; set_ = true; } |
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115 | void replace(int val) { ca_assert(is_set()); num_ = val; } |
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116 | }; |
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117 | |
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118 | __ATTR__USERESULT static bool find_date_long_form(const char *date_string, int *monthPtr, int *dayPtr, int *yearPtr) { |
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119 | // Find day, month, year in the long term date Str like day-of-week, month, day, time, year. |
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120 | |
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121 | int length = str0len(date_string); |
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122 | SetOnce day, month, year; |
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123 | |
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124 | char token[SIZE]; |
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125 | for (int indi = 0, index = 0; index <= length; index++) { |
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126 | if ((index == length) || isspace(date_string[index]) || strchr("(),", date_string[index]) != 0) { |
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127 | if (indi == 0) continue; // empty token |
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128 | token[indi] = '\0'; |
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129 | |
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130 | int num = ismonth(token); |
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131 | if (num>0) { |
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132 | if (!month) month.set(num); |
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133 | else if (!day) { |
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134 | day.set(month.value()); // day has been misinterpreted as month |
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135 | month.replace(num); |
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136 | } |
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137 | } |
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138 | else if ((num = isdatenum(token)) > 0) { |
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139 | if (!month && num <= 12) { month.set(num); } |
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140 | else if (!day && num <= 31) { day.set(num); } |
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141 | else if (!year) { year.set(num); } |
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142 | } |
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143 | indi = 0; |
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144 | } |
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145 | else token[indi++] = date_string[index]; |
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146 | } |
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147 | |
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148 | if (!day || !month || !year || |
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149 | day.value()>days_in_month[month.value()]) return false; |
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150 | |
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151 | *monthPtr = month.value(); |
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152 | *dayPtr = day.value(); |
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153 | *yearPtr = year.value(); |
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154 | |
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155 | return true; |
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156 | } |
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157 | |
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158 | inline bool is_genbank_date(const char *str) { |
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159 | // Return true if it is genbank form of date, |
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160 | // which is day(2 digits)-MONTH(in letters)-year(4 digits). |
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161 | return str0len(str) >= 11 && str[2] == '-' && str[6] == '-'; |
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162 | } |
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163 | |
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164 | const char *genbank_date(const char *other_date) { |
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165 | // Convert the date to be in genbank date form. |
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166 | const char *result; |
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167 | int length = str0len(other_date); |
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168 | |
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169 | if (other_date[length - 1] == '\n') { |
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170 | char *dup = nulldup(other_date); |
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171 | dup[--length] = '\0'; |
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172 | result = genbank_date(dup); |
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173 | free(dup); |
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174 | } |
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175 | else { |
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176 | static char gdate[SIZE]; |
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177 | gdate[0] = 0; |
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178 | |
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179 | int day, month, year; |
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180 | bool ok = false; |
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181 | if (length > 10) { |
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182 | if (is_genbank_date(other_date)) { |
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183 | strncpy(gdate, other_date, 11); |
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184 | gdate[11] = 0; |
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185 | ok = true; |
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186 | } |
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187 | else ok = find_date_long_form(other_date, &month, &day, &year); |
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188 | } |
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189 | |
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190 | if (!ok) ok = find_date(other_date, &month, &day, &year); |
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191 | |
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192 | if (!ok) { |
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193 | warningf(146, "Unknown date format: %s, cannot convert.", other_date); |
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194 | strcpy(gdate, ERROR_DATE); |
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195 | } |
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196 | |
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197 | if (!gdate[0]) { |
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198 | if (day <= 0 || month <= 0 || year <= 0 || month > 12 || day > days_in_month[month]) { |
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199 | warningf(147, "Wrong date format: %s", other_date); |
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200 | strcpy(gdate, ERROR_DATE); |
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201 | } |
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202 | else { |
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203 | if (year<100) year += 1900; |
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204 | sprintf(gdate, "%02d-%s-%d", day, MON[month - 1], year); |
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205 | } |
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206 | } |
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207 | |
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208 | ca_assert(gdate[0]); |
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209 | result = gdate; |
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210 | } |
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211 | return result; |
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212 | } |
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213 | |
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214 | const char *today_date() { |
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215 | // Get today's date. |
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216 | static char line[SIZE] = ""; |
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217 | if (!line[0]) { |
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218 | struct timeval tp; |
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219 | struct timezone tzp; |
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220 | (void)gettimeofday(&tp, &tzp); |
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221 | |
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222 | strcpy(line, ctime(&(tp.tv_sec))); |
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223 | |
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224 | int len = strlen(line); |
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225 | if (line[len-1] == '\n') { |
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226 | line[len-1] = 0; |
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227 | } |
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228 | } |
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229 | return line; |
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230 | } |
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231 | |
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232 | const char *gcg_date(const char *input) { |
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233 | // Create gcg format of date. |
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234 | static char date[SIZE]; |
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235 | |
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236 | ca_assert(strlen(input) >= 8); |
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237 | |
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238 | const int MONTH_POS = 4; |
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239 | const int MONTH_LEN = 3; |
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240 | const int DAY_POS = MONTH_POS+MONTH_LEN+1; |
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241 | |
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242 | const char *monthname = ""; |
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243 | { |
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244 | char part[MONTH_LEN+1]; |
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245 | memcpy(part, input+MONTH_POS, MONTH_LEN); |
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246 | part[MONTH_LEN] = 0; |
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247 | |
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248 | int month = ismonth(part); |
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249 | if (month) monthname = Month[month-1]; |
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250 | } |
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251 | |
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252 | char time[SIZE]; |
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253 | int day, year; |
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254 | IF_ASSERTION_USED(int scanned = ) |
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255 | sscanf(input+DAY_POS, "%d %s %d", &day, time, &year); |
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256 | ca_assert(scanned == 3); |
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257 | |
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258 | sprintf(date, "%s %d, %d %s", monthname, day, year, time); |
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259 | return date; |
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260 | } |
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261 | |
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262 | // -------------------------------------------------------------------------------- |
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263 | |
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264 | #ifdef UNIT_TESTS |
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265 | #include <test_unit.h> |
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266 | |
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267 | #define TEST_EXPECT_CONVERT(input,expect,CONVERT,ASSERTION) ASSERTION(CONVERT(input), expect); |
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268 | |
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269 | #define TEST_EXPECT_GENBANK_DATE(input,expect) TEST_EXPECT_CONVERT(input, expect, genbank_date, TEST_EXPECT_EQUAL) |
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270 | #define TEST_EXPECT_GENBANK_DATE__BROKEN(input,expect) TEST_EXPECT_CONVERT(input, expect, genbank_date, TEST_EXPECT_EQUAL__BROKEN) |
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271 | #define TEST_EXPECT_GCG_DATE(input,expect) TEST_EXPECT_CONVERT(input, expect, gcg_date, TEST_EXPECT_EQUAL) |
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272 | #define TEST_EXPECT_GCG_DATE__BROKEN(input,expect) TEST_EXPECT_CONVERT(input, expect, gcg_date, TEST_EXPECT_EQUAL__BROKEN) |
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273 | |
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274 | #define TEST_EXPECT_INVALID_ANYDATE(input,finder) \ |
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275 | do { \ |
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276 | int day_, month_, year_; \ |
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277 | ASSERT_RESULT(bool, false, \ |
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278 | finder(input, &month_, &day_, &year_)); \ |
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279 | } while(0) |
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280 | |
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281 | #define TEST_EXPECT_INVALID_LONGDATE(input) TEST_EXPECT_INVALID_ANYDATE(input, find_date_long_form) |
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282 | |
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283 | #define TEST_EXPECT_FIND_ANYDATE(input,d,m,y,finder) \ |
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284 | do { \ |
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285 | char *dup_ = strdup(input); \ |
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286 | int day_, month_, year_; \ |
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287 | TEST_EXPECT(finder(dup_, &month_, &day_, &year_)); \ |
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288 | TEST_EXPECT_EQUAL(day_, d); \ |
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289 | TEST_EXPECT_EQUAL(month_, m); \ |
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290 | TEST_EXPECT_EQUAL(year_, y); \ |
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291 | free(dup_); \ |
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292 | } while (0) |
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293 | |
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294 | #define TEST_EXPECT_FIND_____DATE(input,d,m,y) TEST_EXPECT_FIND_ANYDATE(input, d, m, y, find_date) |
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295 | #define TEST_EXPECT_FIND_LONGDATE(input,d,m,y) TEST_EXPECT_FIND_ANYDATE(input, d, m, y, find_date_long_form) |
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296 | |
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297 | // #define TEST_EXPECT_FIND_DATE(str,d,m,y) TEST_EXPECT_FIND_DATE_IMPL(str,d,m,y,TEST_EXPECT_EQUAL) |
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298 | |
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299 | void TEST_BASIC_conv_date() { |
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300 | TEST_EXPECT_EQUAL(ismonth("Apr"), 4); |
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301 | |
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302 | TEST_EXPECT_FIND_____DATE("19-APR-99", 19, 4, 99); |
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303 | TEST_EXPECT_FIND_____DATE("22-JUN-65", 22, 6, 65); |
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304 | TEST_EXPECT_FIND_____DATE("5-SEP-10", 5, 9, 10); |
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305 | TEST_EXPECT_FIND_____DATE("05-SEP-10", 5, 9, 10); |
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306 | |
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307 | TEST_EXPECT_FIND_____DATE("19-APR-1999", 19, 4, 1999); |
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308 | TEST_EXPECT_FIND_____DATE("22-JUN-1965", 22, 6, 1965); // test date b4 epoch |
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309 | TEST_EXPECT_FIND_____DATE("5-SEP-2010", 5, 9, 2010); |
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310 | TEST_EXPECT_FIND_____DATE("05-SEP-2010", 5, 9, 2010); |
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311 | |
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312 | // -------------------- |
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313 | |
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314 | TEST_EXPECT_FIND_LONGDATE("05 Sep 2010", 5, 9, 2010); |
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315 | TEST_EXPECT_FIND_LONGDATE("Sep, 05 2010", 5, 9, 2010); |
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316 | TEST_EXPECT_FIND_LONGDATE("Sep 05 2010", 5, 9, 2010); |
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317 | |
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318 | TEST_EXPECT_FIND_LONGDATE("Mon Apr 19 25:46:19 CEST 99", 19, 4, 99); |
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319 | TEST_EXPECT_FIND_LONGDATE("Tue Jun 22 05:11:00 CEST 65", 22, 6, 65); |
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320 | TEST_EXPECT_FIND_LONGDATE("Wed Sep 5 19:46:25 CEST 10", 5, 9, 10); |
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321 | TEST_EXPECT_FIND_LONGDATE("Wed Sep 05 19:46:25 CEST 10", 5, 9, 10); |
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322 | |
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323 | TEST_EXPECT_FIND_LONGDATE("Mon Apr 19 25:46:19 CEST 1999", 19, 4, 1999); |
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324 | TEST_EXPECT_FIND_LONGDATE("Tue Jun 22 05:11:00 CEST 1965", 22, 6, 1965); |
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325 | TEST_EXPECT_FIND_LONGDATE("Wed Sep 5 19:46:25 CEST 2010", 5, 9, 2010); |
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326 | TEST_EXPECT_FIND_LONGDATE("Wed Sep 05 19:46:25 CEST 2010", 5, 9, 2010); |
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327 | TEST_EXPECT_FIND_LONGDATE("Wed Sep 05 19:46:25 2010", 5, 9, 2010); |
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328 | |
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329 | TEST_EXPECT_FIND_LONGDATE("Sun Oct 31 08:37:14 2010", 31, 10, 2010); |
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330 | |
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331 | // -------------------- |
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332 | |
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333 | TEST_EXPECT_GENBANK_DATE("19 Apr 1999", "19-APR-1999"); |
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334 | TEST_EXPECT_GENBANK_DATE("19-APR-1999", "19-APR-1999"); |
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335 | TEST_EXPECT_GENBANK_DATE("22-JUN-1965", "22-JUN-1965"); |
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336 | TEST_EXPECT_GENBANK_DATE("5-SEP-2010", "05-SEP-2010"); |
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337 | TEST_EXPECT_GENBANK_DATE("05-SEP-2010", "05-SEP-2010"); |
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338 | TEST_EXPECT_GENBANK_DATE("crap", ERROR_DATE); |
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339 | |
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340 | TEST_EXPECT_GENBANK_DATE("Mon Apr 19 25:46:19 CEST 1999", "19-APR-1999"); |
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341 | TEST_EXPECT_GENBANK_DATE("Tue Jun 22 05:11:00 CEST 1965", "22-JUN-1965"); |
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342 | TEST_EXPECT_GENBANK_DATE("Wed Sep 5 19:46:25 CEST 2010", "05-SEP-2010"); |
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343 | TEST_EXPECT_GENBANK_DATE("Wed Sep 05 19:46:25 CEST 2010", "05-SEP-2010"); |
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344 | TEST_EXPECT_GENBANK_DATE("Wed Sep 31 19:46:25 CEST 2010", ERROR_DATE); |
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345 | |
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346 | TEST_EXPECT_GENBANK_DATE("Sun Oct 31 08:37:14 2010", "31-OCT-2010"); |
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347 | TEST_EXPECT_GENBANK_DATE("Sun 10 31 08:37:14 2010", "31-OCT-2010"); |
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348 | TEST_EXPECT_GENBANK_DATE("Sun 31 10 08:37:14 2010", "31-OCT-2010"); |
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349 | TEST_EXPECT_GENBANK_DATE("Sun Oct 32 08:37:14 2010", ERROR_DATE); |
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350 | |
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351 | TEST_EXPECT_GENBANK_DATE("Fri Dec 31 08:37:14 2010", "31-DEC-2010"); |
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352 | TEST_EXPECT_GENBANK_DATE("Fri 12 31 08:37:14 2010", "31-DEC-2010"); |
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353 | TEST_EXPECT_GENBANK_DATE("Fri 31 12 08:37:14 2010", "31-DEC-2010"); |
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354 | TEST_EXPECT_GENBANK_DATE("Fri 13 31 08:37:14 2010", ERROR_DATE); |
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355 | TEST_EXPECT_GENBANK_DATE("Fri 31 13 08:37:14 2010", ERROR_DATE); |
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356 | |
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357 | TEST_EXPECT_GENBANK_DATE("Tue Feb 28 08:37:14 2011", "28-FEB-2011"); |
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358 | TEST_EXPECT_GENBANK_DATE("Tue Feb 29 08:37:14 2011", "29-FEB-2011"); // existence not checked |
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359 | TEST_EXPECT_GENBANK_DATE("Tue Feb 30 08:37:14 2011", ERROR_DATE); // existence not checked |
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360 | |
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361 | TEST_EXPECT_DIFFERENT(genbank_date(today_date()), ERROR_DATE); |
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362 | |
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363 | // -------------------- |
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364 | |
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365 | TEST_EXPECT_GCG_DATE("Mon Apr 19 25:46:19 99", "April 19, 99 25:46:19"); |
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366 | |
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367 | TEST_EXPECT_GCG_DATE("Mon Apr 19 25:46:19 1999", "April 19, 1999 25:46:19"); |
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368 | TEST_EXPECT_GCG_DATE("Tue Jun 22 05:11:00 1965", "June 22, 1965 05:11:00"); |
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369 | TEST_EXPECT_GCG_DATE("Wed Sep 5 19:46:25 2010", "September 5, 2010 19:46:25"); |
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370 | TEST_EXPECT_GCG_DATE("Wed Sep 05 19:46:25 2010", "September 5, 2010 19:46:25"); |
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371 | |
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372 | TEST_REJECT_NULL(gcg_date(today_date())); // currently gcg_date is only used like this |
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373 | } |
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374 | |
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375 | #endif // UNIT_TESTS |
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