/src/jq/src/jv_print.c

Source (jump to first uncovered line)
#include <assert.h>
#include <stdio.h>
#include <float.h>
#include <string.h>

#ifdef WIN32
#include <windows.h>
#include <io.h>
#include <fileapi.h>
#endif

#include "jv.h"
#include "jv_dtoa.h"
#include "jv_dtoa_tsd.h"
#include "jv_unicode.h"
#include "jv_alloc.h"
#include "jv_private.h"

#ifndef MAX_PRINT_DEPTH
#define MAX_PRINT_DEPTH (256)
#endif

#define ESC "\033"
#define COL(c) (ESC "[" c "m")
#define COLRESET (ESC "[0m")

// Color table. See https://en.wikipedia.org/wiki/ANSI_escape_code#Colors
// for how to choose these. The order is same as jv_kind definition, and
// the last color is used for object keys.
#define DEFAULT_COLORS \
  {COL("0;90"),    COL("0;39"),      COL("0;39"),     COL("0;39"),\
   COL("0;32"),    COL("1;39"),      COL("1;39"),     COL("1;34")};
static const char *const default_colors[] = DEFAULT_COLORS;
static const char *colors[] = DEFAULT_COLORS;
#define COLORS_LEN (sizeof(colors) / sizeof(colors[0]))
#define FIELD_COLOR (colors[7])

static char *colors_buf = NULL;
int jq_set_colors(const char *code_str) {
  if (code_str == NULL)
    return 1;

  // the start of each color code in the env var, and the byte after the end of the last one
  const char *codes[COLORS_LEN + 1];
  size_t num_colors;
  // must be initialized before `goto default_colors`, used later to loop over every color
  size_t ci = 0;

  for (num_colors = 0;; num_colors++) {
    codes[num_colors] = code_str;
    code_str += strspn(code_str, "0123456789;");
    if (code_str[0] == '\0' || num_colors + 1 >= COLORS_LEN) {
      break;
    } else if (code_str[0] != ':') {
      return 0; // invalid character
    }
    code_str++;
  }
  if (codes[num_colors] != code_str) {
    // count the last color and store its end (plus one byte for consistency with starts)
    // an empty last color would be ignored (for cases like "" and "0:")
    num_colors++;
    codes[num_colors] = code_str + 1;
  } else if (num_colors == 0) {
    if (colors_buf != NULL) {
      jv_mem_free(colors_buf);
      colors_buf = NULL;
    }
    goto default_colors;
  }

  colors_buf = jv_mem_realloc(
    colors_buf,
    // add ESC '[' 'm' to each string
    // '\0' is already included in difference of codes
    codes[num_colors] - codes[0] + 3 * num_colors
  );
  char *cb = colors_buf;
  for (; ci < num_colors; ci++) {
    colors[ci] = cb;
    size_t len = codes[ci + 1] - 1 - codes[ci];

    cb[0] = ESC[0];
    cb[1] = '[';
    memcpy(cb + 2, codes[ci], len);
    cb[2 + len] = 'm';
    cb[3 + len] = '\0';

    cb += len + 4;
  }
  default_colors:
  for (; ci < COLORS_LEN; ci++)
    colors[ci] = default_colors[ci];
  return 1;
}

static void put_buf(const char *s, int len, FILE *fout, jv *strout, int is_tty) {
  if (strout) {
    *strout = jv_string_append_buf(*strout, s, len);
  } else {
#ifdef WIN32
  /* See util.h */
  if (is_tty) {
    wchar_t *ws;
    size_t wl;
    if (len == -1)
      len = strlen(s);
    wl = MultiByteToWideChar(CP_UTF8, 0, s, len, NULL, 0);
    ws = jv_mem_calloc(wl + 1, sizeof(*ws));
    if (!ws)
      return;
    wl = MultiByteToWideChar(CP_UTF8, 0, s, len, ws, wl + 1);
    ws[wl] = 0;
    WriteConsoleW((HANDLE)_get_osfhandle(fileno(fout)), ws, wl, NULL, NULL);
    free(ws);
  } else
    fwrite(s, 1, len, fout);
#else
  fwrite(s, 1, len, fout);
#endif
  }
}

static void put_char(char c, FILE* fout, jv* strout, int T) {
  put_buf(&c, 1, fout, strout, T);
}

static void put_str(const char* s, FILE* fout, jv* strout, int T) {
  put_buf(s, strlen(s), fout, strout, T);
}

static void put_indent(int n, int flags, FILE* fout, jv* strout, int T) {
  if (flags & JV_PRINT_TAB) {
    while (n--)
      put_char('\t', fout, strout, T);
  } else {
    n *= ((flags & (JV_PRINT_SPACE0 | JV_PRINT_SPACE1 | JV_PRINT_SPACE2)) >> 8);
    while (n--)
      put_char(' ', fout, strout, T);
  }
}

static void jvp_dump_string(jv str, int ascii_only, FILE* F, jv* S, int T) {
  assert(jv_get_kind(str) == JV_KIND_STRING);
  const char* i = jv_string_value(str);
  const char* end = i + jv_string_length_bytes(jv_copy(str));
  const char* cstart;
  int c = 0;
  char buf[32];
  put_char('"', F, S, T);
  while ((i = jvp_utf8_next((cstart = i), end, &c))) {
    assert(c != -1);
    int unicode_escape = 0;
    if (0x20 <= c && c <= 0x7E) {
      // printable ASCII
      if (c == '"' || c == '\\') {
        put_char('\\', F, S, T);
      }
      put_char(c, F, S, T);
    } else if (c < 0x20 || c == 0x7F) {
      // ASCII control character
      switch (c) {
      case '\b':
        put_char('\\', F, S, T);
        put_char('b', F, S, T);
        break;
      case '\t':
        put_char('\\', F, S, T);
        put_char('t', F, S, T);
        break;
      case '\r':
        put_char('\\', F, S, T);
        put_char('r', F, S, T);
        break;
      case '\n':
        put_char('\\', F, S, T);
        put_char('n', F, S, T);
        break;
      case '\f':
        put_char('\\', F, S, T);
        put_char('f', F, S, T);
        break;
      default:
        unicode_escape = 1;
        break;
      }
    } else {
      if (ascii_only) {
        unicode_escape = 1;
      } else {
        put_buf(cstart, i - cstart, F, S, T);
      }
    }
    if (unicode_escape) {
      if (c <= 0xffff) {
        snprintf(buf, sizeof(buf), "\\u%04x", c);
      } else {
        c -= 0x10000;
        snprintf(buf, sizeof(buf), "\\u%04x\\u%04x",
                0xD800 | ((c & 0xffc00) >> 10),
                0xDC00 | (c & 0x003ff));
      }
      put_str(buf, F, S, T);
    }
  }
  assert(c != -1);
  put_char('"', F, S, T);
}

static void put_refcnt(struct dtoa_context* C, int refcnt, FILE *F, jv* S, int T){
  char buf[JVP_DTOA_FMT_MAX_LEN];
  put_char(' ', F, S, T);
  put_char('(', F, S, T);
  put_str(jvp_dtoa_fmt(C, buf, refcnt), F, S, T);
  put_char(')', F, S, T);
}

static void jv_dump_term(struct dtoa_context* C, jv x, int flags, int indent, FILE* F, jv* S) {
  char buf[JVP_DTOA_FMT_MAX_LEN];
  const char* color = 0;
  double refcnt = (flags & JV_PRINT_REFCOUNT) ? jv_get_refcnt(x) - 1 : -1;
  if ((flags & JV_PRINT_COLOR) && jv_get_kind(x) != JV_KIND_INVALID) {
    color = colors[(int)jv_get_kind(x) - 1];
    put_str(color, F, S, flags & JV_PRINT_ISATTY);
  }
  if (indent > MAX_PRINT_DEPTH) {
    put_str("<skipped: too deep>", F, S, flags & JV_PRINT_ISATTY);
  } else switch (jv_get_kind(x)) {
  default:
  case JV_KIND_INVALID:
    if (flags & JV_PRINT_INVALID) {
      jv msg = jv_invalid_get_msg(jv_copy(x));
      if (jv_get_kind(msg) == JV_KIND_STRING) {
        put_str("<invalid:", F, S, flags & JV_PRINT_ISATTY);
        jvp_dump_string(msg, flags | JV_PRINT_ASCII, F, S, flags & JV_PRINT_ISATTY);
        put_char('>', F, S, flags & JV_PRINT_ISATTY);
      } else {
        put_str("<invalid>", F, S, flags & JV_PRINT_ISATTY);
      }
    } else {
      assert(0 && "Invalid value");
    }
    break;
  case JV_KIND_NULL:
    put_str("null", F, S, flags & JV_PRINT_ISATTY);
    break;
  case JV_KIND_FALSE:
    put_str("false", F, S, flags & JV_PRINT_ISATTY);
    break;
  case JV_KIND_TRUE:
    put_str("true", F, S, flags & JV_PRINT_ISATTY);
    break;
  case JV_KIND_NUMBER: {
    if (jvp_number_is_nan(x)) {
      jv_dump_term(C, jv_null(), flags, indent, F, S);
    } else {
#ifdef USE_DECNUM
      const char * literal_data = jv_number_get_literal(x);
      if (literal_data) {
        put_str(literal_data, F, S, flags & JV_PRINT_ISATTY);
      } else {
#endif
        double d = jv_number_value(x);
        if (d != d) {
          // JSON doesn't have NaN, so we'll render it as "null"
          put_str("null", F, S, flags & JV_PRINT_ISATTY);
        } else {
          // Normalise infinities to something we can print in valid JSON
          if (d > DBL_MAX) d = DBL_MAX;
          if (d < -DBL_MAX) d = -DBL_MAX;
          put_str(jvp_dtoa_fmt(C, buf, d), F, S, flags & JV_PRINT_ISATTY);
        }
      }
#ifdef USE_DECNUM
    }
#endif
    break;
  }
  case JV_KIND_STRING:
    jvp_dump_string(x, flags & JV_PRINT_ASCII, F, S, flags & JV_PRINT_ISATTY);
    if (flags & JV_PRINT_REFCOUNT)
      put_refcnt(C, refcnt, F, S, flags & JV_PRINT_ISATTY);
    break;
  case JV_KIND_ARRAY: {
    if (jv_array_length(jv_copy(x)) == 0) {
      put_str("[]", F, S, flags & JV_PRINT_ISATTY);
      break;
    }
    put_char('[', F, S, flags & JV_PRINT_ISATTY);
    jv_array_foreach(x, i, elem) {
      if (i!=0) {
        if (color) put_str(color, F, S, flags & JV_PRINT_ISATTY);
        put_char(',', F, S, flags & JV_PRINT_ISATTY);
      }
      if (color) put_str(COLRESET, F, S, flags & JV_PRINT_ISATTY);
      if (flags & JV_PRINT_PRETTY) {
        put_char('\n', F, S, flags & JV_PRINT_ISATTY);
        put_indent(indent + 1, flags, F, S, flags & JV_PRINT_ISATTY);
      }
      jv_dump_term(C, elem, flags, indent + 1, F, S);
    }
    if (flags & JV_PRINT_PRETTY) {
      put_char('\n', F, S, flags & JV_PRINT_ISATTY);
      put_indent(indent, flags, F, S, flags & JV_PRINT_ISATTY);
    }
    if (color) put_str(color, F, S, flags & JV_PRINT_ISATTY);
    put_char(']', F, S, flags & JV_PRINT_ISATTY);
    if (flags & JV_PRINT_REFCOUNT)
      put_refcnt(C, refcnt, F, S, flags & JV_PRINT_ISATTY);
    break;
  }
  case JV_KIND_OBJECT: {
    if (jv_object_length(jv_copy(x)) == 0) {
      put_str("{}", F, S, flags & JV_PRINT_ISATTY);
      break;
    }
    put_char('{', F, S, flags & JV_PRINT_ISATTY);
    int first = 1;
    int i = 0;
    jv keyset = jv_null();
    while (1) {
      jv key, value;
      if (flags & JV_PRINT_SORTED) {
        if (first) {
          keyset = jv_keys(jv_copy(x));
          i = 0;
        } else {
          i++;
        }
        if (i >= jv_array_length(jv_copy(keyset))) {
          jv_free(keyset);
          break;
        }
        key = jv_array_get(jv_copy(keyset), i);
        value = jv_object_get(jv_copy(x), jv_copy(key));
      } else {
        if (first) {
          i = jv_object_iter(x);
        } else {
          i = jv_object_iter_next(x, i);
        }
        if (!jv_object_iter_valid(x, i)) break;
        key = jv_object_iter_key(x, i);
        value = jv_object_iter_value(x, i);
      }

      if (!first) {
        if (color) put_str(color, F, S, flags & JV_PRINT_ISATTY);
        put_char(',', F, S, flags & JV_PRINT_ISATTY);
      }
      if (color) put_str(COLRESET, F, S, flags & JV_PRINT_ISATTY);
      if (flags & JV_PRINT_PRETTY) {
        put_char('\n', F, S, flags & JV_PRINT_ISATTY);
        put_indent(indent + 1, flags, F, S, flags & JV_PRINT_ISATTY);
      }

      first = 0;
      if (color) put_str(FIELD_COLOR, F, S, flags & JV_PRINT_ISATTY);
      jvp_dump_string(key, flags & JV_PRINT_ASCII, F, S, flags & JV_PRINT_ISATTY);
      jv_free(key);
      if (color) put_str(COLRESET, F, S, flags & JV_PRINT_ISATTY);

      if (color) put_str(color, F, S, flags & JV_PRINT_ISATTY);
      put_char(':', F, S, flags & JV_PRINT_ISATTY);
      if (color) put_str(COLRESET, F, S, flags & JV_PRINT_ISATTY);
      if (flags & JV_PRINT_PRETTY) {
        put_char(' ', F, S, flags & JV_PRINT_ISATTY);
      }

      jv_dump_term(C, value, flags, indent + 1, F, S);
    }
    if (flags & JV_PRINT_PRETTY) {
      put_char('\n', F, S, flags & JV_PRINT_ISATTY);
      put_indent(indent, flags, F, S, flags & JV_PRINT_ISATTY);
    }
    if (color) put_str(color, F, S, flags & JV_PRINT_ISATTY);
    put_char('}', F, S, flags & JV_PRINT_ISATTY);
    if (flags & JV_PRINT_REFCOUNT)
      put_refcnt(C, refcnt, F, S, flags & JV_PRINT_ISATTY);
  }
  }
  jv_free(x);
  if (color) {
    put_str(COLRESET, F, S, flags & JV_PRINT_ISATTY);
  }
}

void jv_dumpf(jv x, FILE *f, int flags) {
  jv_dump_term(tsd_dtoa_context_get(), x, flags, 0, f, 0);
}

void jv_dump(jv x, int flags) {
  jv_dumpf(x, stdout, flags);
}

/* This one is nice for use in debuggers */
void jv_show(jv x, int flags) {
  if (flags == -1)
    flags = JV_PRINT_PRETTY | JV_PRINT_COLOR | JV_PRINT_INDENT_FLAGS(2);
  jv_dumpf(jv_copy(x), stderr, flags | JV_PRINT_INVALID);
  fflush(stderr);
}

jv jv_dump_string(jv x, int flags) {
  jv s = jv_string("");
  jv_dump_term(tsd_dtoa_context_get(), x, flags, 0, 0, &s);
  return s;
}

char *jv_dump_string_trunc(jv x, char *outbuf, size_t bufsize) {
  x = jv_dump_string(x, 0);
  const char *str = jv_string_value(x);
  const size_t len = strlen(str);
  strncpy(outbuf, str, bufsize);
  if (len > bufsize - 1 && bufsize >= 4) {
    // Indicate truncation with '...' without breaking UTF-8.
    const char *s = jvp_utf8_backtrack(outbuf + bufsize - 4, outbuf, NULL);
    if (s) bufsize = s + 4 - outbuf;
    strcpy(outbuf + bufsize - 4, "...");
  } else {
    outbuf[bufsize - 1] = '\0';
  }
  jv_free(x);
  return outbuf;
}

Coverage Report

Created: 2025-07-12 06:24

Line	Count	Source (jump to first uncovered line)
1		#include <assert.h>
2		#include <stdio.h>
3		#include <float.h>
4		#include <string.h>
5
6		#ifdef WIN32
7		#include <windows.h>
8		#include <io.h>
9		#include <fileapi.h>
10		#endif
11
12		#include "jv.h"
13		#include "jv_dtoa.h"
14		#include "jv_dtoa_tsd.h"
15		#include "jv_unicode.h"
16		#include "jv_alloc.h"
17		#include "jv_private.h"
18
19		#ifndef MAX_PRINT_DEPTH
20	0	#define MAX_PRINT_DEPTH (256)
21		#endif
22
23	0	#define ESC "\033"
24		#define COL(c) (ESC "[" c "m")
25	0	#define COLRESET (ESC "[0m")
26
27		// Color table. See https://en.wikipedia.org/wiki/ANSI_escape_code#Colors
28		// for how to choose these. The order is same as jv_kind definition, and
29		// the last color is used for object keys.
30		#define DEFAULT_COLORS \
31		{COL("0;90"), COL("0;39"), COL("0;39"), COL("0;39"),\
32		COL("0;32"), COL("1;39"), COL("1;39"), COL("1;34")};
33		static const char *const default_colors[] = DEFAULT_COLORS;
34		static const char *colors[] = DEFAULT_COLORS;
35	0	#define COLORS_LEN (sizeof(colors) / sizeof(colors[0]))
36	0	#define FIELD_COLOR (colors[7])
37
38		static char *colors_buf = NULL;
39	0	int jq_set_colors(const char *code_str) {
40	0	if (code_str == NULL)
41	0	return 1;
42
43		// the start of each color code in the env var, and the byte after the end of the last one
44	0	const char *codes[COLORS_LEN + 1];
45	0	size_t num_colors;
46		// must be initialized before `goto default_colors`, used later to loop over every color
47	0	size_t ci = 0;
48
49	0	for (num_colors = 0;; num_colors++) {
50	0	codes[num_colors] = code_str;
51	0	code_str += strspn(code_str, "0123456789;");
52	0	if (code_str[0] == '\0' \|\| num_colors + 1 >= COLORS_LEN) {
53	0	break;
54	0	} else if (code_str[0] != ':') {
55	0	return 0; // invalid character
56	0	}
57	0	code_str++;
58	0	}
59	0	if (codes[num_colors] != code_str) {
60		// count the last color and store its end (plus one byte for consistency with starts)
61		// an empty last color would be ignored (for cases like "" and "0:")
62	0	num_colors++;
63	0	codes[num_colors] = code_str + 1;
64	0	} else if (num_colors == 0) {
65	0	if (colors_buf != NULL) {
66	0	jv_mem_free(colors_buf);
67	0	colors_buf = NULL;
68	0	}
69	0	goto default_colors;
70	0	}
71
72	0	colors_buf = jv_mem_realloc(
73	0	colors_buf,
74		// add ESC '[' 'm' to each string
75		// '\0' is already included in difference of codes
76	0	codes[num_colors] - codes[0] + 3 * num_colors
77	0	);
78	0	char *cb = colors_buf;
79	0	for (; ci < num_colors; ci++) {
80	0	colors[ci] = cb;
81	0	size_t len = codes[ci + 1] - 1 - codes[ci];
82
83	0	cb[0] = ESC[0];
84	0	cb[1] = '[';
85	0	memcpy(cb + 2, codes[ci], len);
86	0	cb[2 + len] = 'm';
87	0	cb[3 + len] = '\0';
88
89	0	cb += len + 4;
90	0	}
91	0	default_colors:
92	0	for (; ci < COLORS_LEN; ci++)
93	0	colors[ci] = default_colors[ci];
94	0	return 1;
95	0	}
96
97	0	static void put_buf(const char s, int len, FILE fout, jv *strout, int is_tty) {
98	0	if (strout) {
99	0	strout = jv_string_append_buf(strout, s, len);
100	0	} else {
101		#ifdef WIN32
102		/* See util.h */
103		if (is_tty) {
104		wchar_t *ws;
105		size_t wl;
106		if (len == -1)
107		len = strlen(s);
108		wl = MultiByteToWideChar(CP_UTF8, 0, s, len, NULL, 0);
109		ws = jv_mem_calloc(wl + 1, sizeof(*ws));
110		if (!ws)
111		return;
112		wl = MultiByteToWideChar(CP_UTF8, 0, s, len, ws, wl + 1);
113		ws[wl] = 0;
114		WriteConsoleW((HANDLE)_get_osfhandle(fileno(fout)), ws, wl, NULL, NULL);
115		free(ws);
116		} else
117		fwrite(s, 1, len, fout);
118		#else
119	0	fwrite(s, 1, len, fout);
120	0	#endif
121	0	}
122	0	}
123
124	0	static void put_char(char c, FILE* fout, jv* strout, int T) {
125	0	put_buf(&c, 1, fout, strout, T);
126	0	}
127
128	0	static void put_str(const char* s, FILE* fout, jv* strout, int T) {
129	0	put_buf(s, strlen(s), fout, strout, T);
130	0	}
131
132	0	static void put_indent(int n, int flags, FILE* fout, jv* strout, int T) {
133	0	if (flags & JV_PRINT_TAB) {
134	0	while (n--)
135	0	put_char('\t', fout, strout, T);
136	0	} else {
137	0	n *= ((flags & (JV_PRINT_SPACE0 \| JV_PRINT_SPACE1 \| JV_PRINT_SPACE2)) >> 8);
138	0	while (n--)
139	0	put_char(' ', fout, strout, T);
140	0	}
141	0	}
142
143	0	static void jvp_dump_string(jv str, int ascii_only, FILE* F, jv* S, int T) {
144	0	assert(jv_get_kind(str) == JV_KIND_STRING);
145	0	const char* i = jv_string_value(str);
146	0	const char* end = i + jv_string_length_bytes(jv_copy(str));
147	0	const char* cstart;
148	0	int c = 0;
149	0	char buf[32];
150	0	put_char('"', F, S, T);
151	0	while ((i = jvp_utf8_next((cstart = i), end, &c))) {
152	0	assert(c != -1);
153	0	int unicode_escape = 0;
154	0	if (0x20 <= c && c <= 0x7E) {
155		// printable ASCII
156	0	if (c == '"' \|\| c == '\\') {
157	0	put_char('\\', F, S, T);
158	0	}
159	0	put_char(c, F, S, T);
160	0	} else if (c < 0x20 \|\| c == 0x7F) {
161		// ASCII control character
162	0	switch (c) {
163	0	case '\b':
164	0	put_char('\\', F, S, T);
165	0	put_char('b', F, S, T);
166	0	break;
167	0	case '\t':
168	0	put_char('\\', F, S, T);
169	0	put_char('t', F, S, T);
170	0	break;
171	0	case '\r':
172	0	put_char('\\', F, S, T);
173	0	put_char('r', F, S, T);
174	0	break;
175	0	case '\n':
176	0	put_char('\\', F, S, T);
177	0	put_char('n', F, S, T);
178	0	break;
179	0	case '\f':
180	0	put_char('\\', F, S, T);
181	0	put_char('f', F, S, T);
182	0	break;
183	0	default:
184	0	unicode_escape = 1;
185	0	break;
186	0	}
187	0	} else {
188	0	if (ascii_only) {
189	0	unicode_escape = 1;
190	0	} else {
191	0	put_buf(cstart, i - cstart, F, S, T);
192	0	}
193	0	}
194	0	if (unicode_escape) {
195	0	if (c <= 0xffff) {
196	0	snprintf(buf, sizeof(buf), "\\u%04x", c);
197	0	} else {
198	0	c -= 0x10000;
199	0	snprintf(buf, sizeof(buf), "\\u%04x\\u%04x",
200	0	0xD800 \| ((c & 0xffc00) >> 10),
201	0	0xDC00 \| (c & 0x003ff));
202	0	}
203	0	put_str(buf, F, S, T);
204	0	}
205	0	}
206	0	assert(c != -1);
207	0	put_char('"', F, S, T);
208	0	}
209
210	0	static void put_refcnt(struct dtoa_context* C, int refcnt, FILE F, jv S, int T){
211	0	char buf[JVP_DTOA_FMT_MAX_LEN];
212	0	put_char(' ', F, S, T);
213	0	put_char('(', F, S, T);
214	0	put_str(jvp_dtoa_fmt(C, buf, refcnt), F, S, T);
215	0	put_char(')', F, S, T);
216	0	}
217
218	0	static void jv_dump_term(struct dtoa_context* C, jv x, int flags, int indent, FILE* F, jv* S) {
219	0	char buf[JVP_DTOA_FMT_MAX_LEN];
220	0	const char* color = 0;
221	0	double refcnt = (flags & JV_PRINT_REFCOUNT) ? jv_get_refcnt(x) - 1 : -1;
222	0	if ((flags & JV_PRINT_COLOR) && jv_get_kind(x) != JV_KIND_INVALID) {
223	0	color = colors[(int)jv_get_kind(x) - 1];
224	0	put_str(color, F, S, flags & JV_PRINT_ISATTY);
225	0	}
226	0	if (indent > MAX_PRINT_DEPTH) {
227	0	put_str("<skipped: too deep>", F, S, flags & JV_PRINT_ISATTY);
228	0	} else switch (jv_get_kind(x)) {
229	0	default:
230	0	case JV_KIND_INVALID:
231	0	if (flags & JV_PRINT_INVALID) {
232	0	jv msg = jv_invalid_get_msg(jv_copy(x));
233	0	if (jv_get_kind(msg) == JV_KIND_STRING) {
234	0	put_str("<invalid:", F, S, flags & JV_PRINT_ISATTY);
235	0	jvp_dump_string(msg, flags \| JV_PRINT_ASCII, F, S, flags & JV_PRINT_ISATTY);
236	0	put_char('>', F, S, flags & JV_PRINT_ISATTY);
237	0	} else {
238	0	put_str("<invalid>", F, S, flags & JV_PRINT_ISATTY);
239	0	}
240	0	} else {
241	0	assert(0 && "Invalid value");
242	0	}
243	0	break;
244	0	case JV_KIND_NULL:
245	0	put_str("null", F, S, flags & JV_PRINT_ISATTY);
246	0	break;
247	0	case JV_KIND_FALSE:
248	0	put_str("false", F, S, flags & JV_PRINT_ISATTY);
249	0	break;
250	0	case JV_KIND_TRUE:
251	0	put_str("true", F, S, flags & JV_PRINT_ISATTY);
252	0	break;
253	0	case JV_KIND_NUMBER: {
254	0	if (jvp_number_is_nan(x)) {
255	0	jv_dump_term(C, jv_null(), flags, indent, F, S);
256	0	} else {
257	0	#ifdef USE_DECNUM
258	0	const char * literal_data = jv_number_get_literal(x);
259	0	if (literal_data) {
260	0	put_str(literal_data, F, S, flags & JV_PRINT_ISATTY);
261	0	} else {
262	0	#endif
263	0	double d = jv_number_value(x);
264	0	if (d != d) {
265		// JSON doesn't have NaN, so we'll render it as "null"
266	0	put_str("null", F, S, flags & JV_PRINT_ISATTY);
267	0	} else {
268		// Normalise infinities to something we can print in valid JSON
269	0	if (d > DBL_MAX) d = DBL_MAX;
270	0	if (d < -DBL_MAX) d = -DBL_MAX;
271	0	put_str(jvp_dtoa_fmt(C, buf, d), F, S, flags & JV_PRINT_ISATTY);
272	0	}
273	0	}
274	0	#ifdef USE_DECNUM
275	0	}
276	0	#endif
277	0	break;
278	0	}
279	0	case JV_KIND_STRING:
280	0	jvp_dump_string(x, flags & JV_PRINT_ASCII, F, S, flags & JV_PRINT_ISATTY);
281	0	if (flags & JV_PRINT_REFCOUNT)
282	0	put_refcnt(C, refcnt, F, S, flags & JV_PRINT_ISATTY);
283	0	break;
284	0	case JV_KIND_ARRAY: {
285	0	if (jv_array_length(jv_copy(x)) == 0) {
286	0	put_str("[]", F, S, flags & JV_PRINT_ISATTY);
287	0	break;
288	0	}
289	0	put_char('[', F, S, flags & JV_PRINT_ISATTY);
290	0	jv_array_foreach(x, i, elem) {
291	0	if (i!=0) {
292	0	if (color) put_str(color, F, S, flags & JV_PRINT_ISATTY);
293	0	put_char(',', F, S, flags & JV_PRINT_ISATTY);
294	0	}
295	0	if (color) put_str(COLRESET, F, S, flags & JV_PRINT_ISATTY);
296	0	if (flags & JV_PRINT_PRETTY) {
297	0	put_char('\n', F, S, flags & JV_PRINT_ISATTY);
298	0	put_indent(indent + 1, flags, F, S, flags & JV_PRINT_ISATTY);
299	0	}
300	0	jv_dump_term(C, elem, flags, indent + 1, F, S);
301	0	}
302	0	if (flags & JV_PRINT_PRETTY) {
303	0	put_char('\n', F, S, flags & JV_PRINT_ISATTY);
304	0	put_indent(indent, flags, F, S, flags & JV_PRINT_ISATTY);
305	0	}
306	0	if (color) put_str(color, F, S, flags & JV_PRINT_ISATTY);
307	0	put_char(']', F, S, flags & JV_PRINT_ISATTY);
308	0	if (flags & JV_PRINT_REFCOUNT)
309	0	put_refcnt(C, refcnt, F, S, flags & JV_PRINT_ISATTY);
310	0	break;
311	0	}
312	0	case JV_KIND_OBJECT: {
313	0	if (jv_object_length(jv_copy(x)) == 0) {
314	0	put_str("{}", F, S, flags & JV_PRINT_ISATTY);
315	0	break;
316	0	}
317	0	put_char('{', F, S, flags & JV_PRINT_ISATTY);
318	0	int first = 1;
319	0	int i = 0;
320	0	jv keyset = jv_null();
321	0	while (1) {
322	0	jv key, value;
323	0	if (flags & JV_PRINT_SORTED) {
324	0	if (first) {
325	0	keyset = jv_keys(jv_copy(x));
326	0	i = 0;
327	0	} else {
328	0	i++;
329	0	}
330	0	if (i >= jv_array_length(jv_copy(keyset))) {
331	0	jv_free(keyset);
332	0	break;
333	0	}
334	0	key = jv_array_get(jv_copy(keyset), i);
335	0	value = jv_object_get(jv_copy(x), jv_copy(key));
336	0	} else {
337	0	if (first) {
338	0	i = jv_object_iter(x);
339	0	} else {
340	0	i = jv_object_iter_next(x, i);
341	0	}
342	0	if (!jv_object_iter_valid(x, i)) break;
343	0	key = jv_object_iter_key(x, i);
344	0	value = jv_object_iter_value(x, i);
345	0	}
346
347	0	if (!first) {
348	0	if (color) put_str(color, F, S, flags & JV_PRINT_ISATTY);
349	0	put_char(',', F, S, flags & JV_PRINT_ISATTY);
350	0	}
351	0	if (color) put_str(COLRESET, F, S, flags & JV_PRINT_ISATTY);
352	0	if (flags & JV_PRINT_PRETTY) {
353	0	put_char('\n', F, S, flags & JV_PRINT_ISATTY);
354	0	put_indent(indent + 1, flags, F, S, flags & JV_PRINT_ISATTY);
355	0	}
356
357	0	first = 0;
358	0	if (color) put_str(FIELD_COLOR, F, S, flags & JV_PRINT_ISATTY);
359	0	jvp_dump_string(key, flags & JV_PRINT_ASCII, F, S, flags & JV_PRINT_ISATTY);
360	0	jv_free(key);
361	0	if (color) put_str(COLRESET, F, S, flags & JV_PRINT_ISATTY);
362
363	0	if (color) put_str(color, F, S, flags & JV_PRINT_ISATTY);
364	0	put_char(':', F, S, flags & JV_PRINT_ISATTY);
365	0	if (color) put_str(COLRESET, F, S, flags & JV_PRINT_ISATTY);
366	0	if (flags & JV_PRINT_PRETTY) {
367	0	put_char(' ', F, S, flags & JV_PRINT_ISATTY);
368	0	}
369
370	0	jv_dump_term(C, value, flags, indent + 1, F, S);
371	0	}
372	0	if (flags & JV_PRINT_PRETTY) {
373	0	put_char('\n', F, S, flags & JV_PRINT_ISATTY);
374	0	put_indent(indent, flags, F, S, flags & JV_PRINT_ISATTY);
375	0	}
376	0	if (color) put_str(color, F, S, flags & JV_PRINT_ISATTY);
377	0	put_char('}', F, S, flags & JV_PRINT_ISATTY);
378	0	if (flags & JV_PRINT_REFCOUNT)
379	0	put_refcnt(C, refcnt, F, S, flags & JV_PRINT_ISATTY);
380	0	}
381	0	}
382	0	jv_free(x);
383	0	if (color) {
384	0	put_str(COLRESET, F, S, flags & JV_PRINT_ISATTY);
385	0	}
386	0	}
387
388	0	void jv_dumpf(jv x, FILE *f, int flags) {
389	0	jv_dump_term(tsd_dtoa_context_get(), x, flags, 0, f, 0);
390	0	}
391
392	0	void jv_dump(jv x, int flags) {
393	0	jv_dumpf(x, stdout, flags);
394	0	}
395
396		/* This one is nice for use in debuggers */
397	0	void jv_show(jv x, int flags) {
398	0	if (flags == -1)
399	0	flags = JV_PRINT_PRETTY \| JV_PRINT_COLOR \| JV_PRINT_INDENT_FLAGS(2);
400	0	jv_dumpf(jv_copy(x), stderr, flags \| JV_PRINT_INVALID);
401	0	fflush(stderr);
402	0	}
403
404	0	jv jv_dump_string(jv x, int flags) {
405	0	jv s = jv_string("");
406	0	jv_dump_term(tsd_dtoa_context_get(), x, flags, 0, 0, &s);
407	0	return s;
408	0	}
409
410	0	char jv_dump_string_trunc(jv x, char outbuf, size_t bufsize) {
411	0	x = jv_dump_string(x, 0);
412	0	const char *str = jv_string_value(x);
413	0	const size_t len = strlen(str);
414	0	strncpy(outbuf, str, bufsize);
415	0	if (len > bufsize - 1 && bufsize >= 4) {
416		// Indicate truncation with '...' without breaking UTF-8.
417	0	const char *s = jvp_utf8_backtrack(outbuf + bufsize - 4, outbuf, NULL);
418	0	if (s) bufsize = s + 4 - outbuf;
419	0	strcpy(outbuf + bufsize - 4, "...");
420	0	} else {
421	0	outbuf[bufsize - 1] = '\0';
422	0	}
423	0	jv_free(x);
424	0	return outbuf;
425	0	}