main.cpp

#include <cstdio>
#include <cstring>
const int MAXL = 100;
const char* cf = "/config";
const char* tf = "template.tex";
const char* head = "head";
const char* tail = "tail";
int secn;
char sec[20][MAXL];
FILE* tex = NULL;
char temp[MAXL];
struct LineBreaker {
  char name[MAXL], file[MAXL];
  int nl, fl;
  void solve(const char s[]) {
    nl = fl = 0;
    int i = 0;
    while (s[i] && s[i] != '<') i ++;
    if (s[i]) i ++;
    while (s[i] && s[i] != '>') name[nl++] = s[i++];
    while (s[i] && s[i] != '<') i ++;
    if (s[i]) i ++;
    while (s[i] && s[i] != '>') file[fl++] = s[i++];
    name[nl] = file[fl] = 0;
  }
}lb;
void read_dir() {
  FILE* dir = fopen(cf+1, "r");
  secn = 0;
  while (fgets(sec[secn++], MAXL, dir) != NULL) {}
  fclose(dir);
  while (sec[secn-1][0] == 0 && secn > 0) secn --;
  for (int i = 0; i < secn; ++ i) {
    if (sec[i][strlen(sec[i])-1] != 0) {
      sec[i][strlen(sec[i])-1] = 0;
    }
  }
}
void file(const char* filename) {
  FILE* fp = fopen(filename, "r");
  while (fgets(temp, MAXL, fp) != NULL) fprintf(tex, temp);
  fclose(fp);
}
int main() {
  tex = fopen(tf, "w");
  file(head);
  read_dir();
  for (int i = 0; i < secn; ++ i) {
    fprintf(tex, "\\section{%s}\n", sec[i]);
    memcpy(temp, sec[i], sizeof temp);
    strcat(temp, cf);
    printf("section: %s\n", sec[i]);
    FILE* fp = fopen(temp, "r");
    while(fgets(temp, MAXL, fp) != NULL) {
      if (temp[0] != '<') break;
      lb.solve(temp);
      printf("subsection %s with %s\n", lb.name, lb.file);
      fprintf(tex, "\\subsection{%s}\n", lb.name);
      memcpy(temp, sec[i], sizeof temp);
      temp[strlen(temp)+1] = 0;
      temp[strlen(temp)] = '/';
      strcat(temp, lb.file);
      fprintf(tex, "\\lstinputlisting{%s}\n", temp);
    }
    fclose(fp);
  }
  file(tail);
  fclose(tex);
  return 0;
}