kmx.io/kv/kv.c

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• Hash : f5e5a6d2
  Author : Thomas de Grivel
  Date : 2021-12-30T10:02:11
  

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• kv.c

• /*
   * kv - key value text file format
   *
   * Copyright 2022 Thomas de Grivel
  */
  
  #include <assert.h>
  #include "kv.h"
  
  int kv_is_space (int c)
  {
    switch (c) {
    case ' ':
    case '\n':
    case '\r':
    case '\t':
    case '\v':
      return 1;
    default:
      return 0;
    }
    return 0;
  }
  
  int kv_sp (s_buffer *b)
  {
    int c = buffer_peek(b);
    while (kv_is_space(c)) {
      buffer_read(b);
      c = buffer_peek(b);
    }
    return 0;
  }
  
  int kv_m2 (s_buffer *b, f_kv *f)
  {
    int c;
    size_t pos;
    assert(b);
    pos = b->pos;
    c = buffer_read(b);
    while (kv_sp(c))
      c = buffer_read(b);
    if (c == '{') {
      kv_m1(b, f);
      c = buffer_read(b);
      if (c == '}') {
      
      return 0;
    
  }
  
  int kv_parse (s_buffer *b, f_kv *f)
  {
    int c;
    assert(b);
    kv_sp(b);
    c = buffer_peek(b);
    if (c < 0) {
      if (c == -1)
        return 0;
      return -1;
    } else if (kv_m2(b, f) || kv_m1(b, f)) {
      c = buffer_read(b);
      if (c == -1)
        return 0;
      return -1;
    }
    return -1;
  }
  

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