1 | #include <BufferedFileReader.h> |
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2 | #include "fun.h" |
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3 | #include "defs.h" |
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4 | #include "global.h" |
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5 | #include "reader.h" |
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6 | |
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7 | #include <cstdarg> |
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8 | #include <cerrno> |
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9 | |
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10 | bool scan_token(char *to, const char *from) { // __ATTR__USERESULT |
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11 | return sscanf(from, "%s", to) == 1; |
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12 | } |
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13 | |
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14 | void scan_token_or_die(char *to, const char *from) { |
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15 | if (!scan_token(to, from)) { |
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16 | throw_error(88, "expected to see a token here"); |
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17 | } |
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18 | } |
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19 | void scan_token_or_die(char *to, Reader& reader, int offset) { |
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20 | scan_token_or_die(to, reader.line()+offset); |
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21 | } |
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22 | |
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23 | void throw_error(int error_num, const char *error_message) { // __ATTR__NORETURN |
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24 | throw Convaln_exception(error_num, error_message); |
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25 | } |
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26 | |
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27 | char *strf(const char *format, ...) { // __ATTR__FORMAT(1) |
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28 | va_list parg; |
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29 | va_start(parg, format); |
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30 | |
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31 | const int BUFSIZE = 1000; |
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32 | char buffer[BUFSIZE]; |
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33 | int printed = vsprintf(buffer, format, parg); |
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34 | ca_assert(printed <= BUFSIZE); |
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35 | |
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36 | va_end(parg); |
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37 | |
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38 | return strndup(buffer, printed); |
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39 | } |
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40 | |
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41 | void throw_errorf(int error_num, const char *error_messagef, ...) { // __ATTR__FORMAT(2) __ATTR__NORETURN |
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42 | va_list parg; |
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43 | va_start(parg, error_messagef); |
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44 | |
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45 | const int BUFSIZE = 1000; |
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46 | static char buffer[BUFSIZE]; |
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47 | int printed = vsprintf(buffer, error_messagef, parg); |
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48 | |
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49 | va_end(parg); |
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50 | |
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51 | if (printed >= BUFSIZE) { |
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52 | throw_errorf(998, "Internal buffer overflow (while formatting error #%i '%s')", error_num, error_messagef); |
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53 | } |
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54 | throw_error(error_num, buffer); |
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55 | } |
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56 | |
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57 | // -------------------------------------------------------------------------------- |
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58 | |
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59 | bool Warnings::show_warnings = true; |
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60 | |
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61 | void warning(int warning_num, const char *warning_message) { |
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62 | // print out warning_message and continue execution. |
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63 | if (Warnings::shown()) |
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64 | fprintf(stderr, "WARNING(%d): %s\n", warning_num, warning_message); |
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65 | } |
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66 | void warningf(int warning_num, const char *warning_messagef, ...) { // __ATTR__FORMAT(2) |
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67 | if (Warnings::shown()) { |
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68 | va_list parg; |
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69 | va_start(parg, warning_messagef); |
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70 | |
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71 | const int BUFSIZE = 1000; |
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72 | static char buffer[BUFSIZE]; |
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73 | int printed = vsprintf(buffer, warning_messagef, parg); |
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74 | |
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75 | va_end(parg); |
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76 | |
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77 | if (printed >= BUFSIZE) { |
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78 | throw_errorf(997, "Internal buffer overflow (while formatting warning #%i '%s')", warning_num, warning_messagef); |
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79 | } |
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80 | warning(warning_num, buffer); |
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81 | } |
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82 | } |
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83 | |
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84 | int Skip_white_space(const char *line, int index) { |
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85 | // Skip white space from (index)th char of Str line. |
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86 | |
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87 | while (line[index] == ' ' || line[index] == '\t') |
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88 | ++index; |
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89 | return (index); |
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90 | } |
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91 | |
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92 | void Getstr(char *line, int linenum) { |
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93 | // Get input Str from terminal. |
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94 | char c; |
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95 | int indi = 0; |
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96 | |
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97 | for (; (c = getchar()) != '\n' && indi < (linenum - 1); line[indi++] = c) {} |
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98 | |
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99 | line[indi] = '\0'; |
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100 | } |
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101 | |
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102 | inline void append_known_len(char*& string1, int len1, const char *string2, int len2) { |
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103 | ca_assert(len2); // else no need to call, string1 already correct |
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104 | int newlen = len1+len2; |
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105 | ARB_realloc(string1, newlen+1); |
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106 | memcpy(string1+len1, string2, len2); |
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107 | string1[newlen] = 0; |
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108 | } |
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109 | |
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110 | void terminate_with(char*& str, char ch) { |
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111 | // append 'ch' to end of 'str' (before \n) |
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112 | // - if it's not already there and |
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113 | // - 'str' contains more than just '\n' |
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114 | |
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115 | int len = str0len(str); |
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116 | if (!len) return; |
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117 | |
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118 | ca_assert(str[len-1] == '\n'); |
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119 | if (len == 1) return; |
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120 | |
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121 | if (str[len-2] == ch) return; |
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122 | |
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123 | char temp[] = { ch, '\n' }; |
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124 | append_known_len(str, len-1, temp, 2); |
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125 | } |
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126 | |
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127 | void skip_eolnl_and_append(char*& string1, const char *string2) { |
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128 | int len1 = str0len(string1); |
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129 | if (len1 && string1[len1-1] == '\n') len1--; |
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130 | int len2 = str0len(string2); |
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131 | if (len2) append_known_len(string1, len1, string2, len2); |
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132 | else { string1[len1] = 0; } |
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133 | } |
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134 | |
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135 | void skip_eolnl_and_append_spaced(char*& string1, const char *string2) { |
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136 | int len1 = str0len(string1); |
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137 | if (len1 && string1[len1-1] == '\n') string1[len1-1] = ' '; |
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138 | append_known_len(string1, len1, string2, str0len(string2)); |
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139 | } |
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140 | |
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141 | void Append(char*& string1, const char *string2) { |
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142 | int len2 = str0len(string2); |
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143 | if (len2) append_known_len(string1, str0len(string1), string2, len2); |
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144 | } |
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145 | void Append(char*& string1, char ch) { |
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146 | append_known_len(string1, str0len(string1), &ch, 1); |
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147 | } |
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148 | |
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149 | void upcase(char *str) { |
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150 | // Capitalize all char in the str. |
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151 | if (!str) return; |
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152 | for (int i = 0; str[i]; ++i) str[i] = toupper(str[i]); |
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153 | } |
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154 | |
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155 | int fputs_len(const char *str, int len, Writer& write) { |
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156 | // like fputs(), but does not print more than 'len' characters |
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157 | // returns number of chars written or throws write error |
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158 | for (int i = 0; i<len; ++i) { |
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159 | if (!str[i]) return i; |
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160 | write.out(str[i]); |
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161 | } |
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162 | return len; |
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163 | } |
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164 | |
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165 | // ------------------------- |
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166 | // pattern matching |
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167 | |
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168 | enum FindMode { FIND_START, FIND_SKIP_OVER }; |
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169 | |
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170 | static int findPattern(const char *text, const char *pattern, FindMode mode) { |
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171 | // Return offset of 'pattern' in 'text' or -1 |
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172 | // (compares case insensitive) |
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173 | // return position after found 'pattern' in 'endPtr' |
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174 | |
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175 | if (text && pattern) { |
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176 | for (int t = 0; text[t]; ++t) { |
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177 | bool mismatch = false; |
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178 | |
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179 | int p = 0; |
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180 | for (; !mismatch && pattern[p]; ++p) { |
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181 | mismatch = tolower(text[t+p]) != tolower(pattern[p]); |
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182 | } |
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183 | if (!mismatch) { |
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184 | switch (mode) { |
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185 | case FIND_START: return t; |
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186 | case FIND_SKIP_OVER: return t+p; |
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187 | } |
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188 | ca_assert(0); |
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189 | } |
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190 | } |
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191 | } |
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192 | return -1; |
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193 | } |
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194 | |
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195 | static int findMultipattern(const char *str, const char** const& pattern, char expect_behind, FindMode mode) { |
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196 | // search 'str' for the occurrence of any 'pattern' |
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197 | // if 'expect_behind' != 0 -> expect that char behind the found pattern |
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198 | |
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199 | int offset = -1; |
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200 | |
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201 | if (str) { |
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202 | FindMode use = expect_behind ? FIND_SKIP_OVER : mode; |
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203 | |
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204 | int p; |
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205 | for (p = 0; offset == -1 && pattern[p]; ++p) { |
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206 | offset = findPattern(str, pattern[p], use); |
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207 | } |
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208 | |
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209 | if (offset != -1) { |
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210 | if (expect_behind) { |
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211 | if (str[offset] != expect_behind) { // mismatch |
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212 | offset = findMultipattern(str+offset, pattern, expect_behind, mode); |
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213 | } |
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214 | else { |
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215 | switch (mode) { |
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216 | case FIND_START: |
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217 | offset -= str0len(pattern[p]); |
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218 | ca_assert(offset >= 0); |
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219 | break; |
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220 | case FIND_SKIP_OVER: |
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221 | offset++; |
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222 | break; |
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223 | } |
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224 | } |
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225 | } |
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226 | } |
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227 | } |
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228 | return offset; |
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229 | } |
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230 | |
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231 | static int findSubspecies(const char *str, char expect_behind, FindMode mode) { |
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232 | const char *subspecies_pattern[] = { "subspecies", "sub-species", "subsp.", NULL }; |
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233 | return findMultipattern(str, subspecies_pattern, expect_behind, mode); |
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234 | } |
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235 | |
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236 | static int findStrain(const char *str, char expect_behind, FindMode mode) { |
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237 | const char *strain_pattern[] = { "strain", "str.", NULL }; |
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238 | return findMultipattern(str, strain_pattern, expect_behind, mode); |
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239 | } |
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240 | |
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241 | int find_pattern(const char *text, const char *pattern) { return findPattern(text, pattern, FIND_START); } |
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242 | int skip_pattern(const char *text, const char *pattern) { return findPattern(text, pattern, FIND_SKIP_OVER); } |
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243 | |
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244 | int find_subspecies(const char *str, char expect_behind) { return findSubspecies(str, expect_behind, FIND_START); } |
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245 | int skip_subspecies(const char *str, char expect_behind) { return findSubspecies(str, expect_behind, FIND_SKIP_OVER); } |
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246 | |
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247 | int find_strain(const char *str, char expect_behind) { return findStrain(str, expect_behind, FIND_START); } |
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248 | int skip_strain(const char *str, char expect_behind) { return findStrain(str, expect_behind, FIND_SKIP_OVER); } |
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249 | |
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250 | const char *stristr(const char *str, const char *substring) { |
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251 | int offset = find_pattern(str, substring); |
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252 | return offset >= 0 ? str+offset : NULL; |
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253 | } |
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254 | |
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255 | int ___lookup_keyword(const char *keyword, const char * const *lookup_table, int lookup_table_size) { |
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256 | // returns the index [0..n-1] of 'keyword' in lookup_table |
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257 | // or -1 if not found. |
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258 | |
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259 | for (int i = 0; i<lookup_table_size; ++i) { |
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260 | if (str_equal(keyword, lookup_table[i])) return i; |
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261 | } |
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262 | return -1; |
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263 | } |
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264 | |
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265 | int parse_key_word(const char *line, char *key, const char *separator) { |
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266 | // Copy keyword starting at position 'index' of 'line' delimited by 'separator' into 'key'. |
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267 | // Do not copy more than 'TOKENSIZE-1' characters. |
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268 | // Returns length of keyword. |
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269 | |
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270 | int k = 0; |
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271 | if (line) { |
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272 | while (k<(TOKENSIZE-1) && line[k] && !occurs_in(line[k], separator)) { |
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273 | key[k] = line[k]; |
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274 | ++k; |
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275 | } |
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276 | } |
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277 | key[k] = 0; |
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278 | return k; |
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279 | } |
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280 | |
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281 | // ---------------------- |
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282 | // FormattedFile |
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283 | |
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284 | FormattedFile::FormattedFile(const char *Name, Format Type) |
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285 | : name_(ARB_strdup(Name)), |
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286 | type_(Type) |
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287 | {} |
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288 | FormattedFile::~FormattedFile() { |
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289 | free(name_); |
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290 | } |
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291 | |
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292 | void FormattedFile::init(const char *Name, Format Type) { |
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293 | ca_assert(!name_); // do not init twice |
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294 | ca_assert(Name); |
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295 | ca_assert(Type != UNKNOWN); |
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296 | |
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297 | name_ = nulldup(Name); |
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298 | type_ = Type; |
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299 | } |
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300 | |
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