htmlformat.c

#include <dirent.h> 
#include <stdio.h> 
#include <string.h>
#include <stdlib.h>

//needed for me to understand my own code
#define TRUE 1
#define FALSE 0

//checks if a file is part of the blacklist
int checkBlackList(char *inputStr){
 char *blacklist[] = {".",".."};
 int blacklistLen = 2;
 int i=0;
 while (blacklistLen != i){
 //check if the string is = than the blacklist string
  if (strcmp(inputStr,blacklist[i])==0){return FALSE;}
  i++;}
 return TRUE;
}

/*check if the file extension is a image
 * fix later use the blacklist function for now */
int checkValidImage(char *inputStr,char **checkValid,int checkValidLen){
 int line = 0;
 for (;line<=checkValidLen;line+=1){
  if(strstr(inputStr,checkValid[line])!=NULL){
   return TRUE;
  }
 }
 return FALSE;
}

void checkNull(void* pointer){if(pointer==NULL){fprintf(stderr,"out of mem");exit(1);}}

char** readFile(char *fileStr){
 FILE *confFile; 
 if ((confFile = fopen(fileStr,"r")) == NULL){fprintf(stderr,"file \"%s\" not found",fileStr);exit(1);}
 int i = 0;
 int arrayLen = 10;
 char *array = (char *) malloc(arrayLen*sizeof(char *));
 checkNull(array);
 int c;
 while ((c = fgetc(confFile)) != EOF){
  if (i == arrayLen -2){
    arrayLen = arrayLen*2;
    array = (char *) realloc(array,arrayLen*sizeof(char *));
    checkNull(array);
    }
    array[i] = c;
   i++;
  }
  array[i]='\0'; //end str
  fclose(confFile);
  arrayLen = 5;
  i=0;//1
  char **arrayOut = (char **) malloc(arrayLen*sizeof(char **));
  char *temp;
  temp = strtok(array,"\n");
  while(temp) { // breaks if temp == '\0' so if we exit the loop
   arrayOut[i] = strcat(temp, "\0");
   i += 1;
   temp = strtok(NULL,"\n");
   if(i==arrayLen){
    arrayLen = arrayLen*2;
    arrayOut = (char **) realloc(arrayOut,arrayLen*sizeof(char **));
    checkNull(arrayOut);
    checkNull(arrayOut[i]);
   }
  } 
  free(array);
  return arrayOut;
}

int main(int argc, char *argv[]) {
 //errors out if the user does not input a file, uses relative path
 if (argc == 2) { fprintf(stderr,"needs <CONFIG FILE> <DIR>");return 1;}
 char **format;
 format = (char**) readFile(argv[1]);
 int validCheckLen = 2;
 char **validCheck= (char**) malloc(validCheckLen*sizeof(char **));
 DIR *targetDir;
 int fileNameHtmlLen = 10;
 int line = 0;
 int loopStartLine = 0;
 char *fileNameHtml = (char *) malloc(fileNameHtmlLen*sizeof(char *));
 char *temp = (char *) malloc(fileNameHtmlLen*sizeof(char *));
 struct dirent *dir;
 targetDir = opendir(argv[2]);
 for(int i=0;strstr(format[line],"START") == NULL;line+=1){
  if(i+1==validCheckLen){
   validCheckLen = validCheckLen * 2;
   validCheck = (char **) realloc(validCheck,validCheckLen*sizeof(char **));
  }
  validCheck[i] = format[line];
  i+=1;
 }
 line +=1;
 validCheckLen = line-1;
 for(;strstr(format[line],"<FILE>") == NULL;line += 1){
  printf("%s\n",format[line]);
 }
 line += 1;
 loopStartLine = line;
 if (targetDir) {
  while ((dir = readdir(targetDir)) != NULL) {
    line=loopStartLine;
    if (checkValidImage(dir->d_name,validCheck,validCheckLen) == TRUE){
     for(loopStartLine = line;strstr(format[line],"</FILE>")==NULL;line+=1){
      if (strlen(format[line]) + strlen(dir->d_name) >= fileNameHtmlLen) {
       fileNameHtmlLen = strlen(format[line]) + strlen(dir->d_name)+1;
       fileNameHtml = (char *) realloc(fileNameHtml,fileNameHtmlLen*sizeof(char*));
       temp = (char *) realloc(temp,fileNameHtmlLen*sizeof(char*));
       checkNull(fileNameHtml);
       checkNull(temp);
      }
      strcpy(temp,format[line]);
      strcpy(fileNameHtml,strtok(temp,"FILE"));
      strcat(fileNameHtml,dir->d_name);
      if((strcpy(temp,strtok(NULL,"FILE"))) != NULL){
       strcat(fileNameHtml,temp);
      }
      printf("%s\n",fileNameHtml);
     }
   }
  }
 closedir(targetDir);
 free(validCheck);
 free(fileNameHtml);
 free(temp);
 line +=1;
 }else{fprintf(stderr,"dir %s not found",argv[2]);exit(1);}
 for(;strstr(format[line],"END")== NULL;line+=1){
  printf("%s\n",format[line]);
 }
 free(format);
 return(0);
}