1 | #include "configFile.h"
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2 |
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3 | static char config_divider[] = ":";
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4 | static char config_eol[] = "\x0a";
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5 |
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6 | char *configureFile::filename(char *configFile)
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7 | { static char filename[512];
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8 | char *leaf;
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9 |
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10 | GetModuleFileName(0, filename, 512);
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11 | leaf = strrchr(filename, '\\');
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12 | if (!leaf)
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13 | { return 0;
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14 | }
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15 |
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16 | leaf ++;
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17 | strcpy(leaf, configFile);
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18 |
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19 | return filename;
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20 | }
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21 |
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22 | bool configureFile::concat(char *label, char *buffer, unsigned int &space)
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23 | { int loop;
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24 |
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25 | // iterate through the list to find it
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26 | for (loop = 0; loop < configstr->count; loop ++)
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27 | { if (strcmp(configstr->item[loop].label, label) == 0)
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28 | { break;
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29 | }
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30 | }
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31 |
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32 | // abort if not found
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33 | if (loop == configstr->count)
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34 | { return false;
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35 | }
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36 |
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37 | // don't concatenate if there's no space
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38 | if (strlen(configstr->item[loop].data) > space)
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39 | { return false;
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40 | }
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41 |
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42 | strcat(buffer, configstr->item[loop].data);
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43 | space -= strlen(configstr->item[loop].data);
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44 | return true;
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45 | }
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46 |
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47 | string configureFile::getString(string label)
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48 | { for (int loop = 0; loop < configstr->count; loop ++)
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49 | { if (strcmp(configstr->item[loop].label, label.c_str()) == 0)
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50 | { return configstr->item[loop].data;
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51 | }
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52 | }
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53 | return "";
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54 | }
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55 |
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56 | void configureFile::get(char *label, char **to)
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57 | { int loop;
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58 |
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59 | for (loop = 0; loop < configstr->count; loop ++)
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60 | { if (strcmp(configstr->item[loop].label, label) == 0)
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61 | { *to = new char[strlen(configstr->item[loop].data) + 1];
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62 | if (to)
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63 | { strcpy(*to, configstr->item[loop].data);
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64 | return;
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65 | }
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66 | else
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67 | { //Acorn: werr(0, msgs_lookup("MemConfg"));
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68 | }
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69 | }
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70 | }
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71 |
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72 | *to = NULL;
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73 | return;
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74 | }
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75 |
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76 | bool configureFile::put(char *label, char *value)
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77 | { int loop;
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78 | void *newstr;
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79 |
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80 | for (loop = 0; loop < configstr->count; loop ++)
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81 | { if (strcmp(configstr->item[loop].label, label) == 0)
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82 | { strcpy(configstr->item[loop].data, value);
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83 | return true;
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84 | }
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85 | }
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86 |
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87 |
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88 | newstr = realloc(configstr, sizeof(config_str) +
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89 | sizeof(config_item) * configstr->count);
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90 | if (!newstr)
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91 | { return false;
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92 | }
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93 | strcpy(configstr->item[configstr->count].label, label);
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94 | strcpy(configstr->item[configstr->count].data, value);
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95 | configstr->count ++;
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96 | return true;
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97 | }
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98 |
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99 | /**
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100 | * Scan one line of the configuration file
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101 | */
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102 | bool configureFile::scan(char *block, unsigned int &pos, unsigned int length)
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103 | { int off = 0;
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104 | void *newstr;
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105 |
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106 | if (pos == length)
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107 | { return true;
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108 | }
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109 |
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110 | // if it's a comment line, skip it straightaway
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111 | if (block[pos] == '#')
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112 | { while (block[pos] >= ' ')
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113 | { block ++;
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114 | }
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115 | while (block[pos] < ' ')
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116 | { block ++;
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117 | if (block[pos-1] == '\0')
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118 | { break;
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119 | }
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120 | }
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121 | return true;
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122 | }
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123 |
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124 | // otherwise create a new struct to cope with the list of configuration items
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125 | newstr = realloc(configstr, sizeof(config_str) +
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126 | sizeof(config_item) * configstr->count);
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127 | if (!newstr)
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128 | { free(configstr);
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129 | configstr = NULL;
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130 | return false;
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131 | }
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132 | configstr = (config_str *) newstr;
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133 |
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134 | // scan to the colon to get the label
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135 | while (pos < length && block[pos] != ':')
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136 | { configstr->item[configstr->count].label[off] = block[pos];
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137 | off ++;
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138 | pos ++;
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139 | }
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140 | configstr->item[configstr->count].label[off] = '\0';
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141 |
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142 | // read until we get past any leading whitespace or tabs
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143 | off = 0;
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144 | if (pos < length)
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145 | { do
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146 | { pos ++;
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147 | }
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148 | while (block[pos] <= ' ' && block[pos] != '\x0a' && block[pos] != '\x0d');
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149 | }
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150 |
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151 | // read until we reach a "magic" character - this is where we read the value
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152 | while(pos < length && block[pos] >= ' ')
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153 | { configstr->item[configstr->count].data[off] = block[pos];
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154 | pos ++;
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155 | off ++;
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156 | }
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157 | configstr->item[configstr->count].data[off] = '\0';
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158 |
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159 | // skip any magic characters
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160 | if (pos < length)
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161 | { do
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162 | { pos ++;
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163 | }
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164 | while (block[pos] <= ' ' && pos < length);
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165 | }
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166 |
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167 | // remember that we've added to the list
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168 | configstr->count ++;
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169 | return true;
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170 | }
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171 |
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172 | bool configureFile::store(char *name)
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173 | { char * varval;
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174 | int loop;
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175 | FILE * fhandle;
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176 |
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177 | varval = this->filename(name);
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178 |
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179 | fhandle = fopen(varval, "wb+");
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180 | if (fhandle)
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181 | { loop = 0;
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182 | while(loop < configstr->count)
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183 | { fprintf(fhandle, "%s%s%s%s", configstr->item[loop].label, config_divider, configstr->item[loop].data, config_eol);
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184 | loop ++;
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185 | }
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186 |
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187 | fclose(fhandle);
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188 | }
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189 |
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190 | //Acorn: free(varval);
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191 | return TRUE;
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192 | }
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193 |
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194 | configureFile::configureFile(char *name)
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195 | { unsigned int length, newlength;
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196 | unsigned int position;
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197 | char * varval;
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198 | char * block;
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199 | FILE * fhandle;
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200 |
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201 | configstr = (config_str *) malloc(sizeof(config_str));
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202 | if (!configstr)
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203 | { this->valid = false;
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204 | return;
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205 | }
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206 | configstr->count = 0;
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207 |
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208 | varval = this->filename(name);
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209 |
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210 | fhandle = fopen(varval, "rb");
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211 | if (fhandle)
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212 | { length = 0;
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213 |
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214 | //PC Method for fetching file
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215 | block = (char *) malloc(20);
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216 | while ((newlength = fread(&block[length], sizeof(char), 20, fhandle)) != 0)
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217 | { void *newblock;
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218 |
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219 | length += newlength;
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220 | newblock = realloc(block, length + 20);
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221 | if (!newblock)
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222 | { free(block);
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223 | this->valid = false;
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224 | fclose(fhandle);
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225 | return;
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226 | }
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227 | block = (char *) newblock;
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228 | }
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229 | //end of PC method
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230 |
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231 | position = 0;
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232 | while (position < length)
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233 | { this->scan(block, position, length);
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234 | }
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235 |
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236 | fclose(fhandle);
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237 |
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238 | free(block);
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239 |
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240 | this->valid = true;
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241 | }
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242 | else
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243 | { // No config file MessageBox(0, "oops", "oops", MB_OK);
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244 | this->valid = false;
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245 | }
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246 | //Acorn: free(varval);
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247 |
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248 | }
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249 |
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250 | configureFile::~configureFile()
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251 | { if (configstr)
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252 | { free(configstr);
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253 | configstr = NULL;
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254 | }
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255 | }
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256 |
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