Function textViewer

text.c:507–1034

}

int textViewer(const char *file) {
  TextEditorState *s = malloc(sizeof(TextEditorState));
  if (!s) 
    return VITASHELL_ERROR_NO_MEMORY;

  char *buffer_base = memalign(4096, BIG_BUFFER_SIZE);
  if (!buffer_base)
    return VITASHELL_ERROR_NO_MEMORY;

  s->running = 1;
  s->hex_viewer = 0; 
  s->n_copied_lines = 0;
  s->copy_reset = 0;
  s->modify_allowed = 1;
  s->offset_list[0] = 0;
  s->count_lines_running = 0;
  s->n_lines = 0;
  s->search_running = 0;
  s->edit_line = -1;

  if (isInArchive()) {
    s->size = ReadArchiveFile(file, buffer_base, BIG_BUFFER_SIZE);
    s->modify_allowed = 0;
  } else {
    s->size = ReadFile(file, buffer_base, BIG_BUFFER_SIZE);
  }

  if (s->size < 0) {
    free(buffer_base);
    return s->size;
  }

  s->buffer = buffer_base;

  int has_utf8_bom = 0;
  char utf8_bom[3] = {0xEF, 0xBB, 0xBF};
  if (s->size >= 3 && memcmp(buffer_base, utf8_bom, 3) == 0) {
    s->buffer += 3;
    has_utf8_bom = 1;
    s->size -= 3;
  }

  if (s->size == 0) {
    s->size = 1;
    s->buffer[0] = '\n';
  }

  if (s->buffer[s->size - 1] != '\n') {
    s->buffer[s->size++] = '\n';
  }

  s->base_pos = 0;
  s->rel_pos = 0;
  s->n_selections = 0;
  memset(&s->list, 0, sizeof(TextList));

  // Init context menu param
  context_menu_text.context = s;