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    • /[magellan-source]/tags/grubby-8_18/grubby.c

    Diff of /tags/grubby-8_18/grubby.c

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    revision 1745 by niro, Sat Feb 18 01:05:52 2012 UTC revision 1746 by niro, Sat Feb 18 01:06:20 2012 UTC
    # Line 241  const char *grub2FindConfig(struct confi Line 241  const char *grub2FindConfig(struct confi
    241      return configFiles[i];      return configFiles[i];
    242  }  }
    243    
    244    int sizeOfSingleLine(struct singleLine * line) {
    245      int i;
    246      int count = 0;
    247    
    248      for (i = 0; i < line->numElements; i++) {
    249        int indentSize = 0;
    250    
    251        count = count + strlen(line->elements[i].item);
    252    
    253        indentSize = strlen(line->elements[i].indent);
    254        if (indentSize > 0)
    255          count = count + indentSize;
    256        else
    257          /* be extra safe and add room for whitespaces */
    258          count = count + 1;
    259      }
    260    
    261      /* room for trailing terminator */
    262      count = count + 1;
    263    
    264      return count;
    265    }
    266    
    267    char *grub2ExtractTitle(struct singleLine * line) {
    268        char * current;
    269        char * current_indent;
    270        int current_len;
    271        int current_indent_len;
    272        int i;
    273    
    274        /* bail out if line does not start with menuentry */
    275        if (strcmp(line->elements[0].item, "menuentry"))
    276          return NULL;
    277    
    278        i = 1;
    279        current = line->elements[i].item;
    280        current_len = strlen(current);
    281    
    282        /* if second word is quoted, strip the quotes and return single word */
    283        if ((*current == '\'') && (*(current + current_len - 1) == '\'')) {
    284          char *tmp;
    285    
    286          tmp = strdup(current);
    287          *(tmp + current_len - 1) = '\0';
    288          return ++tmp;
    289        }
    290    
    291        /* if no quotes, return second word verbatim */
    292        if (*current != '\'') {
    293          return current;
    294        }
    295    
    296        /* second element start with a quote, so we have to find the element
    297         * whose last character is also quote (assuming it's the closing one) */
    298        if (*current == '\'') {
    299          int resultMaxSize;
    300          char * result;
    301    
    302          resultMaxSize = sizeOfSingleLine(line);
    303          result = malloc(resultMaxSize);
    304          snprintf(result, resultMaxSize, "%s", ++current);
    305    
    306          i++;
    307          for (; i < line->numElements; ++i) {
    308     current = line->elements[i].item;
    309     current_len = strlen(current);
    310     current_indent = line->elements[i].indent;
    311     current_indent_len = strlen(current_indent);
    312    
    313     strncat(result, current_indent, current_indent_len);
    314     if (*(current + current_len - 1) != '\'') {
    315      strncat(result, current, current_len);
    316     } else {
    317      strncat(result, current, current_len - 1);
    318      break;
    319     }
    320          }
    321          return result;
    322        }
    323    
    324        return NULL;
    325    }
    326    
    327  struct configFileInfo grub2ConfigType = {  struct configFileInfo grub2ConfigType = {
    328      .findConfig = grub2FindConfig,      .findConfig = grub2FindConfig,
    329      .keywords = grub2Keywords,      .keywords = grub2Keywords,
    # Line 3577  int main(int argc, const char ** argv) { Line 3660  int main(int argc, const char ** argv) {
    3660    printf("%s\n", line->elements[1].item);    printf("%s\n", line->elements[1].item);
    3661    
    3662   } else {   } else {
    3663    int i;    char * title;
       size_t len;  
       char * start;  
       char * tmp;  
    3664    
    3665    dbgPrintf("This is GRUB2, default title is embeded in menuentry\n");    dbgPrintf("This is GRUB2, default title is embeded in menuentry\n");
    3666    line = getLineByType(LT_MENUENTRY, entry->lines);    line = getLineByType(LT_MENUENTRY, entry->lines);
    3667    if (!line) return 0;    if (!line) return 0;
    3668      title = grub2ExtractTitle(line);
    3669    for (i = 0; i < line->numElements; i++) {    if (title)
    3670        printf("%s\n", title);
         if (!strcmp(line->elements[i].item, "menuentry"))  
           continue;  
       
         if (*line->elements[i].item == '\'')  
           start = line->elements[i].item + 1;  
         else  
           start = line->elements[i].item;  
       
         len = strlen(start);  
         if (*(start + len - 1) == '\'') {  
           tmp = strdup(start);  
           *(tmp + len - 1) = '\0';  
           printf("%s", tmp);  
           free(tmp);  
           break;  
         } else {  
           printf("%s ", start);  
         }  
       }  
       printf("\n");  
    3671   }   }
    3672   return 0;   return 0;
    3673    
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