#ifndef TERRACE_PARSER_H
#define TERRACE_PARSER_H

struct terrace_linedata_s {
  char indent;
  unsigned int level;
  unsigned int offsetHead;
  unsigned int offsetTail;
};

typedef struct terrace_linedata_s terrace_linedata_t;

void terrace_parse_line(char* line, terrace_linedata_t *lineData) {
  if (line == 0) {
    // Reuse lineData->level from previous line.
    lineData->offsetHead = 0;
    lineData->offsetTail = 0;
  } else {
    unsigned int level = 0;
    while (line[level] == lineData->indent && level <= lineData->level + 1) ++level;
    lineData->level = level;
    lineData->offsetHead = level;
    lineData->offsetTail = level;

    while (line[lineData->offsetTail] != '\0' && line[lineData->offsetTail] != ' ') ++lineData->offsetTail;
  }
}

#endif