A simple .ini file interface.
Dependents: Smart-WiFly-WebServer SignalGenerator WattEye X10Svr
IniManager.cpp@7:60f5dc3467ff, 2014-05-22 (annotated)
- Committer:
- WiredHome
- Date:
- Thu May 22 16:09:43 2014 +0000
- Revision:
- 7:60f5dc3467ff
- Parent:
- 5:bfeb0882bd82
- Child:
- 8:f128b10dfab1
Documentation updates.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
WiredHome | 0:ae5bf432c249 | 1 | // Simple INI file manager. |
WiredHome | 0:ae5bf432c249 | 2 | // |
WiredHome | 0:ae5bf432c249 | 3 | #ifdef WIN32 |
WiredHome | 0:ae5bf432c249 | 4 | #include "string.h" |
WiredHome | 0:ae5bf432c249 | 5 | #include "stdlib.h" |
WiredHome | 0:ae5bf432c249 | 6 | #include "stdio.h" |
WiredHome | 0:ae5bf432c249 | 7 | #else |
WiredHome | 0:ae5bf432c249 | 8 | #include "mbed.h" |
WiredHome | 0:ae5bf432c249 | 9 | #endif |
WiredHome | 0:ae5bf432c249 | 10 | |
WiredHome | 0:ae5bf432c249 | 11 | #include "IniManager.h" |
WiredHome | 0:ae5bf432c249 | 12 | |
WiredHome | 1:1e2ee9bbee40 | 13 | //#define DEBUG //Debug is disabled by default |
WiredHome | 1:1e2ee9bbee40 | 14 | |
WiredHome | 1:1e2ee9bbee40 | 15 | #if (defined(DEBUG) && !defined(TARGET_LPC11U24)) |
WiredHome | 1:1e2ee9bbee40 | 16 | #define DBG(x, ...) std::printf("[DBG INI%4d] "x"\r\n", __LINE__, ##__VA_ARGS__); |
WiredHome | 1:1e2ee9bbee40 | 17 | #define WARN(x, ...) std::printf("[WRN INI%4d] "x"\r\n", __LINE__, ##__VA_ARGS__); |
WiredHome | 1:1e2ee9bbee40 | 18 | #define ERR(x, ...) std::printf("[ERR INI%4d] "x"\r\n", __LINE__, ##__VA_ARGS__); |
WiredHome | 1:1e2ee9bbee40 | 19 | #define INFO(x, ...) std::printf("[INF INI%4d] "x"\r\n", __LINE__, ##__VA_ARGS__); |
WiredHome | 1:1e2ee9bbee40 | 20 | #else |
WiredHome | 1:1e2ee9bbee40 | 21 | #define DBG(x, ...) |
WiredHome | 1:1e2ee9bbee40 | 22 | #define WARN(x, ...) |
WiredHome | 1:1e2ee9bbee40 | 23 | #define ERR(x, ...) |
WiredHome | 1:1e2ee9bbee40 | 24 | #define INFO(x, ...) |
WiredHome | 1:1e2ee9bbee40 | 25 | #endif |
WiredHome | 1:1e2ee9bbee40 | 26 | |
WiredHome | 0:ae5bf432c249 | 27 | INI::INI(const char * file) |
WiredHome | 0:ae5bf432c249 | 28 | : iniFile(0) |
WiredHome | 0:ae5bf432c249 | 29 | { |
WiredHome | 7:60f5dc3467ff | 30 | SetFile(file); |
WiredHome | 7:60f5dc3467ff | 31 | #if 0 |
WiredHome | 0:ae5bf432c249 | 32 | if (file) { |
WiredHome | 0:ae5bf432c249 | 33 | iniFile = (char *)malloc(strlen(file)+1); |
WiredHome | 0:ae5bf432c249 | 34 | if (iniFile) |
WiredHome | 0:ae5bf432c249 | 35 | strcpy(iniFile, file); |
WiredHome | 5:bfeb0882bd82 | 36 | else |
WiredHome | 5:bfeb0882bd82 | 37 | iniFile = NULL; |
WiredHome | 0:ae5bf432c249 | 38 | } |
WiredHome | 7:60f5dc3467ff | 39 | #endif |
WiredHome | 0:ae5bf432c249 | 40 | } |
WiredHome | 0:ae5bf432c249 | 41 | |
WiredHome | 0:ae5bf432c249 | 42 | |
WiredHome | 0:ae5bf432c249 | 43 | INI::~INI(void) |
WiredHome | 0:ae5bf432c249 | 44 | { |
WiredHome | 0:ae5bf432c249 | 45 | if (iniFile) |
WiredHome | 0:ae5bf432c249 | 46 | free(iniFile); |
WiredHome | 0:ae5bf432c249 | 47 | } |
WiredHome | 0:ae5bf432c249 | 48 | |
WiredHome | 0:ae5bf432c249 | 49 | |
WiredHome | 5:bfeb0882bd82 | 50 | bool INI::SetFile(const char * file) |
WiredHome | 5:bfeb0882bd82 | 51 | { |
WiredHome | 5:bfeb0882bd82 | 52 | if (file) { |
WiredHome | 5:bfeb0882bd82 | 53 | if (iniFile) |
WiredHome | 5:bfeb0882bd82 | 54 | free(iniFile); |
WiredHome | 5:bfeb0882bd82 | 55 | iniFile = (char *)malloc(strlen(file)+1); |
WiredHome | 5:bfeb0882bd82 | 56 | if (iniFile) { |
WiredHome | 5:bfeb0882bd82 | 57 | strcpy(iniFile, file); |
WiredHome | 5:bfeb0882bd82 | 58 | return true; |
WiredHome | 5:bfeb0882bd82 | 59 | } |
WiredHome | 5:bfeb0882bd82 | 60 | else |
WiredHome | 5:bfeb0882bd82 | 61 | iniFile = NULL; |
WiredHome | 5:bfeb0882bd82 | 62 | } |
WiredHome | 5:bfeb0882bd82 | 63 | return false; |
WiredHome | 5:bfeb0882bd82 | 64 | } |
WiredHome | 5:bfeb0882bd82 | 65 | |
WiredHome | 0:ae5bf432c249 | 66 | bool INI::ReadString(const char * section, const char * key, char * buffer, size_t bufferSize, const char * defaultString) |
WiredHome | 0:ae5bf432c249 | 67 | { |
WiredHome | 0:ae5bf432c249 | 68 | bool found = false; |
WiredHome | 0:ae5bf432c249 | 69 | if (!iniFile) |
WiredHome | 0:ae5bf432c249 | 70 | return found; |
WiredHome | 0:ae5bf432c249 | 71 | CrashRecover(); |
WiredHome | 1:1e2ee9bbee40 | 72 | INFO("ReadString from %s\r\n", iniFile); |
WiredHome | 0:ae5bf432c249 | 73 | FILE * fp = fopen(iniFile,"rt"); |
WiredHome | 0:ae5bf432c249 | 74 | if (fp) { |
WiredHome | 0:ae5bf432c249 | 75 | char buf[INTERNAL_BUF_SIZE]; |
WiredHome | 0:ae5bf432c249 | 76 | bool inSection = (section == NULL) ? true : false; |
WiredHome | 0:ae5bf432c249 | 77 | |
WiredHome | 0:ae5bf432c249 | 78 | while(fgets(buf, sizeof(buf), fp)) { |
WiredHome | 0:ae5bf432c249 | 79 | int x = strlen(buf) - 1; // remove trailing \r\n combinations |
WiredHome | 0:ae5bf432c249 | 80 | while (x >= 0 && buf[x] < ' ') |
WiredHome | 0:ae5bf432c249 | 81 | buf[x--] = '\0'; |
WiredHome | 1:1e2ee9bbee40 | 82 | INFO("read in [%s]\r\n", buf); |
WiredHome | 0:ae5bf432c249 | 83 | if (inSection && buf[0] != '[') { |
WiredHome | 0:ae5bf432c249 | 84 | char * eq = strchr(buf, '='); |
WiredHome | 0:ae5bf432c249 | 85 | if (eq) { |
WiredHome | 0:ae5bf432c249 | 86 | *eq++ = '\0'; |
WiredHome | 0:ae5bf432c249 | 87 | if ( (strcmp(buf,key) == 0) && (strlen(eq) <= bufferSize) ) { |
WiredHome | 0:ae5bf432c249 | 88 | strcpy(buffer, eq); |
WiredHome | 0:ae5bf432c249 | 89 | memset(buf, 0, INTERNAL_BUF_SIZE); // secure the memory space |
WiredHome | 0:ae5bf432c249 | 90 | found = true; |
WiredHome | 0:ae5bf432c249 | 91 | break; |
WiredHome | 0:ae5bf432c249 | 92 | } |
WiredHome | 0:ae5bf432c249 | 93 | } |
WiredHome | 0:ae5bf432c249 | 94 | } else { |
WiredHome | 0:ae5bf432c249 | 95 | if (buf[0] == '[') { |
WiredHome | 0:ae5bf432c249 | 96 | char * br = strchr(buf, ']'); |
WiredHome | 0:ae5bf432c249 | 97 | inSection = false; |
WiredHome | 0:ae5bf432c249 | 98 | if (br) { |
WiredHome | 0:ae5bf432c249 | 99 | *br = '\0'; |
WiredHome | 0:ae5bf432c249 | 100 | if (strcmp(buf+1, section) == 0) |
WiredHome | 0:ae5bf432c249 | 101 | inSection = true; |
WiredHome | 0:ae5bf432c249 | 102 | } |
WiredHome | 0:ae5bf432c249 | 103 | } |
WiredHome | 0:ae5bf432c249 | 104 | } |
WiredHome | 0:ae5bf432c249 | 105 | } |
WiredHome | 0:ae5bf432c249 | 106 | fclose(fp); |
WiredHome | 0:ae5bf432c249 | 107 | } |
WiredHome | 0:ae5bf432c249 | 108 | if (!found && defaultString != NULL && *defaultString) { |
WiredHome | 0:ae5bf432c249 | 109 | strncpy(buffer, defaultString, bufferSize); |
WiredHome | 0:ae5bf432c249 | 110 | buffer[bufferSize-1] = '\0'; |
WiredHome | 1:1e2ee9bbee40 | 111 | INFO("sub %s.\r\n", buffer); |
WiredHome | 0:ae5bf432c249 | 112 | found = true; |
WiredHome | 0:ae5bf432c249 | 113 | } |
WiredHome | 0:ae5bf432c249 | 114 | return found; |
WiredHome | 0:ae5bf432c249 | 115 | } |
WiredHome | 0:ae5bf432c249 | 116 | |
WiredHome | 0:ae5bf432c249 | 117 | bool INI::CrashRecover() |
WiredHome | 0:ae5bf432c249 | 118 | { |
WiredHome | 0:ae5bf432c249 | 119 | char * newFile = (char *)malloc(strlen(iniFile)+1); |
WiredHome | 0:ae5bf432c249 | 120 | char * bakFile = (char *)malloc(strlen(iniFile)+1); |
WiredHome | 0:ae5bf432c249 | 121 | |
WiredHome | 0:ae5bf432c249 | 122 | if (newFile && bakFile) { |
WiredHome | 1:1e2ee9bbee40 | 123 | WARN("*** CrashRecover\r\n"); |
WiredHome | 0:ae5bf432c249 | 124 | strcpy(bakFile, iniFile); |
WiredHome | 0:ae5bf432c249 | 125 | strcpy(newFile, iniFile); |
WiredHome | 0:ae5bf432c249 | 126 | strcpy(bakFile + strlen(bakFile) - 4, ".bak"); |
WiredHome | 0:ae5bf432c249 | 127 | strcpy(newFile + strlen(newFile) - 4, ".new"); |
WiredHome | 0:ae5bf432c249 | 128 | |
WiredHome | 0:ae5bf432c249 | 129 | FILE * repair = fopen(newFile, "rt"); |
WiredHome | 0:ae5bf432c249 | 130 | if (repair) { |
WiredHome | 2:c63a794c1fee | 131 | int i; |
WiredHome | 3:64fcaf06b012 | 132 | i = i; // suppress warning about i not used when !DEBUG |
WiredHome | 0:ae5bf432c249 | 133 | // helps recover if the system crashed before it could swap in the new file |
WiredHome | 1:1e2ee9bbee40 | 134 | INFO("*** repairing\r\n"); |
WiredHome | 0:ae5bf432c249 | 135 | fclose(repair); |
WiredHome | 0:ae5bf432c249 | 136 | i = remove(bakFile); // remove an old .bak |
WiredHome | 1:1e2ee9bbee40 | 137 | INFO("remove(%s) returned %d\r\n", bakFile, i); |
WiredHome | 0:ae5bf432c249 | 138 | i = Rename(iniFile, bakFile); // move the existing .ini to .bak |
WiredHome | 1:1e2ee9bbee40 | 139 | INFO("rename(%s,%s) returned %d\r\n", iniFile, bakFile, i); |
WiredHome | 0:ae5bf432c249 | 140 | i = Rename(newFile, iniFile); // move the new .new to .ini |
WiredHome | 1:1e2ee9bbee40 | 141 | INFO("rename(%s,%s) returned %d\r\n", newFile, iniFile, i); |
WiredHome | 0:ae5bf432c249 | 142 | } |
WiredHome | 0:ae5bf432c249 | 143 | } |
WiredHome | 0:ae5bf432c249 | 144 | free(newFile); |
WiredHome | 0:ae5bf432c249 | 145 | free(bakFile); |
WiredHome | 0:ae5bf432c249 | 146 | return true; |
WiredHome | 0:ae5bf432c249 | 147 | } |
WiredHome | 0:ae5bf432c249 | 148 | |
WiredHome | 0:ae5bf432c249 | 149 | // Create the new version as .new |
WiredHome | 0:ae5bf432c249 | 150 | // once complete, if something actually changed, then rename the .ini to .bak and rename the .new to .ini |
WiredHome | 0:ae5bf432c249 | 151 | // once complete, if nothing actually changed, then delete the .new |
WiredHome | 0:ae5bf432c249 | 152 | // |
WiredHome | 0:ae5bf432c249 | 153 | bool INI::WriteString(const char * section, const char * key, char * value) |
WiredHome | 0:ae5bf432c249 | 154 | { |
WiredHome | 0:ae5bf432c249 | 155 | bool found = false; |
WiredHome | 0:ae5bf432c249 | 156 | bool fileChanged = false; |
WiredHome | 0:ae5bf432c249 | 157 | |
WiredHome | 0:ae5bf432c249 | 158 | if (!iniFile || (value != NULL && strlen(value) > INTERNAL_BUF_SIZE)) |
WiredHome | 0:ae5bf432c249 | 159 | return found; |
WiredHome | 0:ae5bf432c249 | 160 | |
WiredHome | 0:ae5bf432c249 | 161 | char * newFile = (char *)malloc(strlen(iniFile)+1); |
WiredHome | 0:ae5bf432c249 | 162 | char * bakFile = (char *)malloc(strlen(iniFile)+1); |
WiredHome | 0:ae5bf432c249 | 163 | if (!newFile) |
WiredHome | 0:ae5bf432c249 | 164 | return found; // no memory |
WiredHome | 0:ae5bf432c249 | 165 | if (!bakFile) { |
WiredHome | 0:ae5bf432c249 | 166 | free(newFile); |
WiredHome | 0:ae5bf432c249 | 167 | return found; |
WiredHome | 0:ae5bf432c249 | 168 | } |
WiredHome | 0:ae5bf432c249 | 169 | strcpy(bakFile, iniFile); |
WiredHome | 0:ae5bf432c249 | 170 | strcpy(newFile, iniFile); |
WiredHome | 0:ae5bf432c249 | 171 | strcpy(bakFile + strlen(bakFile) - 4, ".bak"); |
WiredHome | 0:ae5bf432c249 | 172 | strcpy(newFile + strlen(newFile) - 4, ".new"); |
WiredHome | 0:ae5bf432c249 | 173 | |
WiredHome | 0:ae5bf432c249 | 174 | CrashRecover(); |
WiredHome | 0:ae5bf432c249 | 175 | |
WiredHome | 1:1e2ee9bbee40 | 176 | INFO("Opening [%s] and [%s]\r\n", iniFile, newFile); |
WiredHome | 0:ae5bf432c249 | 177 | FILE * fi = fopen(iniFile, "rt"); |
WiredHome | 0:ae5bf432c249 | 178 | FILE * fo = fopen(newFile, "wt"); |
WiredHome | 0:ae5bf432c249 | 179 | if (fo) { |
WiredHome | 0:ae5bf432c249 | 180 | char buf[INTERNAL_BUF_SIZE]; |
WiredHome | 0:ae5bf432c249 | 181 | bool inSection = (section == NULL) ? true : false; |
WiredHome | 0:ae5bf432c249 | 182 | |
WiredHome | 0:ae5bf432c249 | 183 | if (fi) { |
WiredHome | 0:ae5bf432c249 | 184 | while(fgets(buf, sizeof(buf), fi)) { |
WiredHome | 0:ae5bf432c249 | 185 | // if not inSection, copy across |
WiredHome | 0:ae5bf432c249 | 186 | // if inSection and not key, copy across |
WiredHome | 0:ae5bf432c249 | 187 | // if InSection and key, write new value (or skip if value is null) |
WiredHome | 0:ae5bf432c249 | 188 | int x = strlen(buf) - 1; // remove trailing \r\n combinations |
WiredHome | 0:ae5bf432c249 | 189 | while (x >= 0 && buf[x] < ' ') |
WiredHome | 0:ae5bf432c249 | 190 | buf[x--] = '\0'; |
WiredHome | 0:ae5bf432c249 | 191 | if (inSection && buf[0] != '[') { |
WiredHome | 0:ae5bf432c249 | 192 | char * eq = strchr(buf, '='); |
WiredHome | 0:ae5bf432c249 | 193 | if (eq) { |
WiredHome | 0:ae5bf432c249 | 194 | *eq++ = '\0'; |
WiredHome | 0:ae5bf432c249 | 195 | if (strcmp(buf,key) == 0) { |
WiredHome | 0:ae5bf432c249 | 196 | if (value != NULL && strcmp(eq, value) != 0) { |
WiredHome | 0:ae5bf432c249 | 197 | // replace the old record |
WiredHome | 0:ae5bf432c249 | 198 | if (value != NULL) { |
WiredHome | 0:ae5bf432c249 | 199 | fprintf(fo, "%s=%s\n", key, value); |
WiredHome | 0:ae5bf432c249 | 200 | printf("write: %s=%s\r\n", key, value); |
WiredHome | 0:ae5bf432c249 | 201 | } |
WiredHome | 0:ae5bf432c249 | 202 | } |
WiredHome | 0:ae5bf432c249 | 203 | fileChanged = true; |
WiredHome | 0:ae5bf432c249 | 204 | inSection = false; |
WiredHome | 0:ae5bf432c249 | 205 | found = true; |
WiredHome | 0:ae5bf432c249 | 206 | } else { |
WiredHome | 0:ae5bf432c249 | 207 | // write old record |
WiredHome | 0:ae5bf432c249 | 208 | fprintf(fo, "%s=%s\n", buf, eq); |
WiredHome | 1:1e2ee9bbee40 | 209 | INFO("write: %s=%s\r\n", buf, eq); |
WiredHome | 0:ae5bf432c249 | 210 | } |
WiredHome | 0:ae5bf432c249 | 211 | } else { |
WiredHome | 0:ae5bf432c249 | 212 | // what to do with unknown record(s)? |
WiredHome | 0:ae5bf432c249 | 213 | // fprintf(fo, "%s\n", buf); // eliminate them |
WiredHome | 0:ae5bf432c249 | 214 | } |
WiredHome | 0:ae5bf432c249 | 215 | } else { |
WiredHome | 0:ae5bf432c249 | 216 | if (buf[0] == '[') { |
WiredHome | 0:ae5bf432c249 | 217 | char * br = strchr(buf, ']'); |
WiredHome | 0:ae5bf432c249 | 218 | if (inSection) { // found next section while in good section |
WiredHome | 0:ae5bf432c249 | 219 | // Append new record to desired section |
WiredHome | 0:ae5bf432c249 | 220 | if (value != NULL) { |
WiredHome | 0:ae5bf432c249 | 221 | fprintf(fo, "%s=%s\r\n", key, value); |
WiredHome | 1:1e2ee9bbee40 | 222 | INFO("write: %s=%s\r\n", key, value); |
WiredHome | 0:ae5bf432c249 | 223 | fileChanged = true; |
WiredHome | 0:ae5bf432c249 | 224 | } |
WiredHome | 0:ae5bf432c249 | 225 | found = true; |
WiredHome | 0:ae5bf432c249 | 226 | } |
WiredHome | 0:ae5bf432c249 | 227 | inSection = false; |
WiredHome | 0:ae5bf432c249 | 228 | // write old record |
WiredHome | 0:ae5bf432c249 | 229 | fprintf(fo, "%s\r\n", buf); |
WiredHome | 1:1e2ee9bbee40 | 230 | INFO("write: %s\r\n", buf); |
WiredHome | 0:ae5bf432c249 | 231 | if (br) { |
WiredHome | 0:ae5bf432c249 | 232 | *br = '\0'; |
WiredHome | 0:ae5bf432c249 | 233 | if (strcmp(buf+1, section) == 0) |
WiredHome | 0:ae5bf432c249 | 234 | inSection = true; |
WiredHome | 0:ae5bf432c249 | 235 | } |
WiredHome | 0:ae5bf432c249 | 236 | } else { |
WiredHome | 0:ae5bf432c249 | 237 | // copy unaltered records across |
WiredHome | 0:ae5bf432c249 | 238 | if (buf[0]) { |
WiredHome | 0:ae5bf432c249 | 239 | fprintf(fo, "%s\r\n", buf); |
WiredHome | 1:1e2ee9bbee40 | 240 | INFO("write: %s\r\n", buf); |
WiredHome | 0:ae5bf432c249 | 241 | } |
WiredHome | 0:ae5bf432c249 | 242 | } |
WiredHome | 0:ae5bf432c249 | 243 | } |
WiredHome | 0:ae5bf432c249 | 244 | } |
WiredHome | 1:1e2ee9bbee40 | 245 | INFO("close %s\r\n", iniFile); |
WiredHome | 0:ae5bf432c249 | 246 | fclose(fi); |
WiredHome | 0:ae5bf432c249 | 247 | } |
WiredHome | 0:ae5bf432c249 | 248 | if (!found) { |
WiredHome | 0:ae5bf432c249 | 249 | // No old file, just create it now |
WiredHome | 0:ae5bf432c249 | 250 | if (value != NULL) { |
WiredHome | 0:ae5bf432c249 | 251 | if (!inSection) { |
WiredHome | 0:ae5bf432c249 | 252 | fprintf(fo, "[%s]\r\n", section); |
WiredHome | 1:1e2ee9bbee40 | 253 | INFO("write: [%s]\r\n", section); |
WiredHome | 0:ae5bf432c249 | 254 | } |
WiredHome | 0:ae5bf432c249 | 255 | fprintf(fo, "%s=%s\r\n", key, value); |
WiredHome | 1:1e2ee9bbee40 | 256 | INFO("write: %s=%s\r\n", key, value); |
WiredHome | 0:ae5bf432c249 | 257 | fileChanged = true; |
WiredHome | 0:ae5bf432c249 | 258 | } |
WiredHome | 0:ae5bf432c249 | 259 | found = true; |
WiredHome | 0:ae5bf432c249 | 260 | } |
WiredHome | 1:1e2ee9bbee40 | 261 | INFO("close %s\r\n", newFile); |
WiredHome | 0:ae5bf432c249 | 262 | fclose(fo); |
WiredHome | 0:ae5bf432c249 | 263 | } |
WiredHome | 0:ae5bf432c249 | 264 | if (fileChanged) { |
WiredHome | 1:1e2ee9bbee40 | 265 | INFO("remove bak, rename ini to bak, rename new to ini\r\n"); |
WiredHome | 0:ae5bf432c249 | 266 | remove(bakFile); // remove an old .bak |
WiredHome | 0:ae5bf432c249 | 267 | Rename(iniFile, bakFile); // move the existing .ini to .bak |
WiredHome | 0:ae5bf432c249 | 268 | Rename(newFile, iniFile); // move the new .new to .ini |
WiredHome | 4:70042853d43b | 269 | #ifdef RTOS_H |
WiredHome | 4:70042853d43b | 270 | Thread::wait(1000); |
WiredHome | 4:70042853d43b | 271 | #else |
WiredHome | 0:ae5bf432c249 | 272 | wait(1); |
WiredHome | 4:70042853d43b | 273 | #endif |
WiredHome | 0:ae5bf432c249 | 274 | } |
WiredHome | 0:ae5bf432c249 | 275 | free(newFile); |
WiredHome | 0:ae5bf432c249 | 276 | free(bakFile); |
WiredHome | 0:ae5bf432c249 | 277 | return found; |
WiredHome | 0:ae5bf432c249 | 278 | } |
WiredHome | 0:ae5bf432c249 | 279 | |
WiredHome | 0:ae5bf432c249 | 280 | |
WiredHome | 0:ae5bf432c249 | 281 | //*********************************************************** |
WiredHome | 0:ae5bf432c249 | 282 | // Private version that also works with local file system |
WiredHome | 0:ae5bf432c249 | 283 | // Returns -1 = error; 0 = success |
WiredHome | 0:ae5bf432c249 | 284 | //*********************************************************** |
WiredHome | 0:ae5bf432c249 | 285 | int INI::Rename(const char *oldfname, const char *newfname) |
WiredHome | 0:ae5bf432c249 | 286 | { |
WiredHome | 0:ae5bf432c249 | 287 | int retval = 0; |
WiredHome | 0:ae5bf432c249 | 288 | int ch; |
WiredHome | 0:ae5bf432c249 | 289 | |
WiredHome | 0:ae5bf432c249 | 290 | FILE *fpold = fopen(oldfname, "r"); // src file |
WiredHome | 0:ae5bf432c249 | 291 | FILE *fpnew = fopen(newfname, "w"); // dest file |
WiredHome | 0:ae5bf432c249 | 292 | |
WiredHome | 0:ae5bf432c249 | 293 | while (1) { // Copy src to dest |
WiredHome | 0:ae5bf432c249 | 294 | ch = fgetc(fpold); // until src EOF read. |
WiredHome | 0:ae5bf432c249 | 295 | if (ch == EOF) break; |
WiredHome | 0:ae5bf432c249 | 296 | fputc(ch, fpnew); |
WiredHome | 0:ae5bf432c249 | 297 | } |
WiredHome | 0:ae5bf432c249 | 298 | |
WiredHome | 0:ae5bf432c249 | 299 | fclose(fpnew); |
WiredHome | 0:ae5bf432c249 | 300 | fclose(fpold); |
WiredHome | 0:ae5bf432c249 | 301 | |
WiredHome | 0:ae5bf432c249 | 302 | fpnew = fopen(newfname, "r"); // Reopen dest to insure |
WiredHome | 0:ae5bf432c249 | 303 | if(fpnew == NULL) { // that it was created. |
WiredHome | 0:ae5bf432c249 | 304 | retval = (-1); // Return Error. |
WiredHome | 0:ae5bf432c249 | 305 | } else { |
WiredHome | 0:ae5bf432c249 | 306 | fclose(fpnew); |
WiredHome | 0:ae5bf432c249 | 307 | remove(oldfname); // Remove original file. |
WiredHome | 0:ae5bf432c249 | 308 | retval = (0); // Return Success. |
WiredHome | 0:ae5bf432c249 | 309 | } |
WiredHome | 0:ae5bf432c249 | 310 | return (retval); |
WiredHome | 0:ae5bf432c249 | 311 | } |
WiredHome | 0:ae5bf432c249 | 312 | |
WiredHome | 0:ae5bf432c249 | 313 | //*********************************************************** |
WiredHome | 0:ae5bf432c249 | 314 | // Private version that also works with local file system |
WiredHome | 0:ae5bf432c249 | 315 | // Returns -1 = error; 0 = success |
WiredHome | 0:ae5bf432c249 | 316 | //*********************************************************** |
WiredHome | 0:ae5bf432c249 | 317 | int INI::Copy(const char *src, const char *dst) |
WiredHome | 0:ae5bf432c249 | 318 | { |
WiredHome | 0:ae5bf432c249 | 319 | int retval = 0; |
WiredHome | 0:ae5bf432c249 | 320 | int ch; |
WiredHome | 0:ae5bf432c249 | 321 | |
WiredHome | 0:ae5bf432c249 | 322 | FILE *fpsrc = fopen(src, "r"); // src file |
WiredHome | 0:ae5bf432c249 | 323 | FILE *fpdst = fopen(dst, "w"); // dest file |
WiredHome | 0:ae5bf432c249 | 324 | |
WiredHome | 0:ae5bf432c249 | 325 | while (1) { // Copy src to dest |
WiredHome | 0:ae5bf432c249 | 326 | ch = fgetc(fpsrc); // until src EOF read. |
WiredHome | 0:ae5bf432c249 | 327 | if (ch == EOF) break; |
WiredHome | 0:ae5bf432c249 | 328 | fputc(ch, fpdst); |
WiredHome | 0:ae5bf432c249 | 329 | } |
WiredHome | 0:ae5bf432c249 | 330 | fclose(fpsrc); |
WiredHome | 0:ae5bf432c249 | 331 | fclose(fpdst); |
WiredHome | 0:ae5bf432c249 | 332 | |
WiredHome | 0:ae5bf432c249 | 333 | fpdst = fopen(dst, "r"); // Reopen dest to insure |
WiredHome | 0:ae5bf432c249 | 334 | if(fpdst == NULL) { // that it was created. |
WiredHome | 0:ae5bf432c249 | 335 | retval = (-1); // Return error. |
WiredHome | 0:ae5bf432c249 | 336 | } else { |
WiredHome | 0:ae5bf432c249 | 337 | fclose(fpdst); |
WiredHome | 0:ae5bf432c249 | 338 | retval = (0); // Return success. |
WiredHome | 0:ae5bf432c249 | 339 | } |
WiredHome | 0:ae5bf432c249 | 340 | return (retval); |
WiredHome | 0:ae5bf432c249 | 341 | } |
WiredHome | 0:ae5bf432c249 | 342 | |
WiredHome | 0:ae5bf432c249 | 343 | |
WiredHome | 0:ae5bf432c249 | 344 | #if 0 |
WiredHome | 0:ae5bf432c249 | 345 | // Test code for basic regression testing |
WiredHome | 0:ae5bf432c249 | 346 | // |
WiredHome | 0:ae5bf432c249 | 347 | #include <stdio.h> |
WiredHome | 0:ae5bf432c249 | 348 | #include <assert.h> |
WiredHome | 0:ae5bf432c249 | 349 | #include <string.h> |
WiredHome | 0:ae5bf432c249 | 350 | |
WiredHome | 0:ae5bf432c249 | 351 | #include "INI.h" |
WiredHome | 0:ae5bf432c249 | 352 | |
WiredHome | 0:ae5bf432c249 | 353 | #define TESTFILE "test.ini" |
WiredHome | 0:ae5bf432c249 | 354 | |
WiredHome | 0:ae5bf432c249 | 355 | int main(int argc, char * argv[]) |
WiredHome | 0:ae5bf432c249 | 356 | { |
WiredHome | 0:ae5bf432c249 | 357 | FILE * fp; |
WiredHome | 0:ae5bf432c249 | 358 | char buffer[100]; |
WiredHome | 0:ae5bf432c249 | 359 | INI ini(TESTFILE); |
WiredHome | 0:ae5bf432c249 | 360 | |
WiredHome | 0:ae5bf432c249 | 361 | // Start testing |
WiredHome | 0:ae5bf432c249 | 362 | _unlink(TESTFILE); |
WiredHome | 0:ae5bf432c249 | 363 | assert(ini.ReadString("Section 1", "Name 1", buffer, sizeof(buffer)) == false); |
WiredHome | 0:ae5bf432c249 | 364 | |
WiredHome | 0:ae5bf432c249 | 365 | fp = fopen(TESTFILE, "wt"); |
WiredHome | 0:ae5bf432c249 | 366 | assert(fp); |
WiredHome | 0:ae5bf432c249 | 367 | fprintf(fp, "[Section 1]\n"); |
WiredHome | 0:ae5bf432c249 | 368 | fprintf(fp, "Name 1=Value 1\n"); |
WiredHome | 0:ae5bf432c249 | 369 | fprintf(fp, "Name 2=Value 2\n"); |
WiredHome | 0:ae5bf432c249 | 370 | fprintf(fp, "\n"); |
WiredHome | 0:ae5bf432c249 | 371 | fprintf(fp, "[Section 2]\n"); |
WiredHome | 0:ae5bf432c249 | 372 | fprintf(fp, "Name 1=Value 2\n"); |
WiredHome | 0:ae5bf432c249 | 373 | fprintf(fp, "Name 2=Value 2\n"); |
WiredHome | 0:ae5bf432c249 | 374 | fprintf(fp, "Name 3=Value 3\n"); |
WiredHome | 0:ae5bf432c249 | 375 | fprintf(fp, "\n"); |
WiredHome | 0:ae5bf432c249 | 376 | fclose(fp); |
WiredHome | 0:ae5bf432c249 | 377 | |
WiredHome | 0:ae5bf432c249 | 378 | assert(ini.ReadString("Section 2", "Name 2", buffer, sizeof(buffer)) == true); |
WiredHome | 0:ae5bf432c249 | 379 | assert(strcmp("Value 2", buffer) == 0); |
WiredHome | 0:ae5bf432c249 | 380 | |
WiredHome | 0:ae5bf432c249 | 381 | assert(ini.ReadString("Section 3", "Name", buffer, sizeof(buffer)) == false); |
WiredHome | 0:ae5bf432c249 | 382 | assert(ini.ReadString("Section 1", "Name 3", buffer, sizeof(buffer)) == false); |
WiredHome | 0:ae5bf432c249 | 383 | |
WiredHome | 0:ae5bf432c249 | 384 | assert(ini.WriteString("Section 1", "Name 4", "Value 4") == true); |
WiredHome | 0:ae5bf432c249 | 385 | assert(ini.ReadString("Section 1", "Name 2", buffer, sizeof(buffer)) == true); |
WiredHome | 0:ae5bf432c249 | 386 | assert(ini.ReadString("Section 1", "Name 3", buffer, sizeof(buffer)) == false); |
WiredHome | 0:ae5bf432c249 | 387 | assert(ini.ReadString("Section 1", "Name 4", buffer, sizeof(buffer)) == true); |
WiredHome | 0:ae5bf432c249 | 388 | assert(strcmp("Value 4", buffer) == 0); |
WiredHome | 0:ae5bf432c249 | 389 | |
WiredHome | 0:ae5bf432c249 | 390 | assert(ini.WriteString("Section 1", "Name 4", NULL) == true); |
WiredHome | 0:ae5bf432c249 | 391 | assert(ini.ReadString("Section 1", "Name 4", buffer, sizeof(buffer)) == false); |
WiredHome | 0:ae5bf432c249 | 392 | |
WiredHome | 0:ae5bf432c249 | 393 | return 0; |
WiredHome | 0:ae5bf432c249 | 394 | } |
WiredHome | 0:ae5bf432c249 | 395 | #endif |