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/* dump_strict.c
* Copyright (c) 2012, 2017, Peter Ohler
* All rights reserved.
*/
#include <stdlib.h>
#include <time.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <unistd.h>
#include <errno.h>
#include "dump.h"
#include "trace.h"
// Workaround in case INFINITY is not defined in math.h or if the OS is CentOS
#define OJ_INFINITY (1.0/0.0)
typedef unsigned long ulong;
static const char inf_val[] = INF_VAL;
static const char ninf_val[] = NINF_VAL;
static const char nan_val[] = NAN_VAL;
static void
raise_strict(VALUE obj) {
rb_raise(rb_eTypeError, "Failed to dump %s Object to JSON in strict mode.\n", rb_class2name(rb_obj_class(obj)));
}
// Removed dependencies on math due to problems with CentOS 5.4.
static void
dump_float(VALUE obj, int depth, Out out, bool as_ok) {
char buf[64];
char *b;
double d = rb_num2dbl(obj);
int cnt = 0;
if (0.0 == d) {
b = buf;
*b++ = '0';
*b++ = '.';
*b++ = '0';
*b++ = '\0';
cnt = 3;
} else {
NanDump nd = out->opts->dump_opts.nan_dump;
if (AutoNan == nd) {
nd = RaiseNan;
}
if (OJ_INFINITY == d) {
switch (nd) {
case RaiseNan:
case WordNan:
raise_strict(obj);
break;
case NullNan:
strcpy(buf, "null");
cnt = 4;
break;
case HugeNan:
default:
strcpy(buf, inf_val);
cnt = sizeof(inf_val) - 1;
break;
}
} else if (-OJ_INFINITY == d) {
switch (nd) {
case RaiseNan:
case WordNan:
raise_strict(obj);
break;
case NullNan:
strcpy(buf, "null");
cnt = 4;
break;
case HugeNan:
default:
strcpy(buf, ninf_val);
cnt = sizeof(ninf_val) - 1;
break;
}
} else if (isnan(d)) {
switch (nd) {
case RaiseNan:
case WordNan:
raise_strict(obj);
break;
case NullNan:
strcpy(buf, "null");
cnt = 4;
break;
case HugeNan:
default:
strcpy(buf, nan_val);
cnt = sizeof(nan_val) - 1;
break;
}
} else if (d == (double)(long long int)d) {
cnt = snprintf(buf, sizeof(buf), "%.1f", d);
} else if (0 == out->opts->float_prec) {
volatile VALUE rstr = rb_funcall(obj, oj_to_s_id, 0);
cnt = (int)RSTRING_LEN(rstr);
if ((int)sizeof(buf) <= cnt) {
cnt = sizeof(buf) - 1;
}
strncpy(buf, rb_string_value_ptr((VALUE*)&rstr), cnt);
buf[cnt] = '\0';
} else {
cnt = oj_dump_float_printf(buf, sizeof(buf), obj, d, out->opts->float_fmt);
}
}
assure_size(out, cnt);
for (b = buf; '\0' != *b; b++) {
*out->cur++ = *b;
}
*out->cur = '\0';
}
static void
dump_array(VALUE a, int depth, Out out, bool as_ok) {
size_t size;
int i, cnt;
int d2 = depth + 1;
if (Yes == out->opts->circular) {
if (0 > oj_check_circular(a, out)) {
oj_dump_nil(Qnil, 0, out, false);
return;
}
}
cnt = (int)RARRAY_LEN(a);
*out->cur++ = '[';
size = 2;
assure_size(out, size);
if (0 == cnt) {
*out->cur++ = ']';
} else {
if (out->opts->dump_opts.use) {
size = d2 * out->opts->dump_opts.indent_size + out->opts->dump_opts.array_size + 1;
} else {
size = d2 * out->indent + 2;
}
cnt--;
for (i = 0; i <= cnt; i++) {
assure_size(out, size);
if (out->opts->dump_opts.use) {
if (0 < out->opts->dump_opts.array_size) {
strcpy(out->cur, out->opts->dump_opts.array_nl);
out->cur += out->opts->dump_opts.array_size;
}
if (0 < out->opts->dump_opts.indent_size) {
int i;
for (i = d2; 0 < i; i--) {
strcpy(out->cur, out->opts->dump_opts.indent_str);
out->cur += out->opts->dump_opts.indent_size;
}
}
} else {
fill_indent(out, d2);
}
if (NullMode == out->opts->mode) {
oj_dump_null_val(rb_ary_entry(a, i), d2, out);
} else {
oj_dump_strict_val(rb_ary_entry(a, i), d2, out);
}
if (i < cnt) {
*out->cur++ = ',';
}
}
size = depth * out->indent + 1;
assure_size(out, size);
if (out->opts->dump_opts.use) {
//printf("*** d2: %u indent: %u '%s'\n", d2, out->opts->dump_opts->indent_size, out->opts->dump_opts->indent);
if (0 < out->opts->dump_opts.array_size) {
strcpy(out->cur, out->opts->dump_opts.array_nl);
out->cur += out->opts->dump_opts.array_size;
}
if (0 < out->opts->dump_opts.indent_size) {
int i;
for (i = depth; 0 < i; i--) {
strcpy(out->cur, out->opts->dump_opts.indent_str);
out->cur += out->opts->dump_opts.indent_size;
}
}
} else {
fill_indent(out, depth);
}
*out->cur++ = ']';
}
*out->cur = '\0';
}
static int
hash_cb(VALUE key, VALUE value, Out out) {
int depth = out->depth;
long size;
int rtype = rb_type(key);
if (rtype != T_STRING && rtype != T_SYMBOL) {
rb_raise(rb_eTypeError, "In :strict and :null mode all Hash keys must be Strings or Symbols, not %s.\n", rb_class2name(rb_obj_class(key)));
}
if (out->omit_nil && Qnil == value) {
return ST_CONTINUE;
}
if (!out->opts->dump_opts.use) {
size = depth * out->indent + 1;
assure_size(out, size);
fill_indent(out, depth);
if (rtype == T_STRING) {
oj_dump_str(key, 0, out, false);
} else {
oj_dump_sym(key, 0, out, false);
}
*out->cur++ = ':';
} else {
size = depth * out->opts->dump_opts.indent_size + out->opts->dump_opts.hash_size + 1;
assure_size(out, size);
if (0 < out->opts->dump_opts.hash_size) {
strcpy(out->cur, out->opts->dump_opts.hash_nl);
out->cur += out->opts->dump_opts.hash_size;
}
if (0 < out->opts->dump_opts.indent_size) {
int i;
for (i = depth; 0 < i; i--) {
strcpy(out->cur, out->opts->dump_opts.indent_str);
out->cur += out->opts->dump_opts.indent_size;
}
}
if (rtype == T_STRING) {
oj_dump_str(key, 0, out, false);
} else {
oj_dump_sym(key, 0, out, false);
}
size = out->opts->dump_opts.before_size + out->opts->dump_opts.after_size + 2;
assure_size(out, size);
if (0 < out->opts->dump_opts.before_size) {
strcpy(out->cur, out->opts->dump_opts.before_sep);
out->cur += out->opts->dump_opts.before_size;
}
*out->cur++ = ':';
if (0 < out->opts->dump_opts.after_size) {
strcpy(out->cur, out->opts->dump_opts.after_sep);
out->cur += out->opts->dump_opts.after_size;
}
}
if (NullMode == out->opts->mode) {
oj_dump_null_val(value, depth, out);
} else {
oj_dump_strict_val(value, depth, out);
}
out->depth = depth;
*out->cur++ = ',';
return ST_CONTINUE;
}
static void
dump_hash(VALUE obj, int depth, Out out, bool as_ok) {
int cnt;
size_t size;
if (Yes == out->opts->circular) {
if (0 > oj_check_circular(obj, out)) {
oj_dump_nil(Qnil, 0, out, false);
return;
}
}
cnt = (int)RHASH_SIZE(obj);
size = depth * out->indent + 2;
assure_size(out, 2);
*out->cur++ = '{';
if (0 == cnt) {
*out->cur++ = '}';
} else {
out->depth = depth + 1;
rb_hash_foreach(obj, hash_cb, (VALUE)out);
if (',' == *(out->cur - 1)) {
out->cur--; // backup to overwrite last comma
}
if (!out->opts->dump_opts.use) {
assure_size(out, size);
fill_indent(out, depth);
} else {
size = depth * out->opts->dump_opts.indent_size + out->opts->dump_opts.hash_size + 1;
assure_size(out, size);
if (0 < out->opts->dump_opts.hash_size) {
strcpy(out->cur, out->opts->dump_opts.hash_nl);
out->cur += out->opts->dump_opts.hash_size;
}
if (0 < out->opts->dump_opts.indent_size) {
int i;
for (i = depth; 0 < i; i--) {
strcpy(out->cur, out->opts->dump_opts.indent_str);
out->cur += out->opts->dump_opts.indent_size;
}
}
}
*out->cur++ = '}';
}
*out->cur = '\0';
}
static void
dump_data_strict(VALUE obj, int depth, Out out, bool as_ok) {
VALUE clas = rb_obj_class(obj);
if (oj_bigdecimal_class == clas) {
volatile VALUE rstr = rb_funcall(obj, oj_to_s_id, 0);
oj_dump_raw(rb_string_value_ptr((VALUE*)&rstr), (int)RSTRING_LEN(rstr), out);
} else {
raise_strict(obj);
}
}
static void
dump_data_null(VALUE obj, int depth, Out out, bool as_ok) {
VALUE clas = rb_obj_class(obj);
if (oj_bigdecimal_class == clas) {
volatile VALUE rstr = rb_funcall(obj, oj_to_s_id, 0);
oj_dump_raw(rb_string_value_ptr((VALUE*)&rstr), (int)RSTRING_LEN(rstr), out);
} else {
oj_dump_nil(Qnil, depth, out, false);
}
}
static DumpFunc strict_funcs[] = {
NULL, // RUBY_T_NONE = 0x00,
dump_data_strict, // RUBY_T_OBJECT = 0x01,
NULL, // RUBY_T_CLASS = 0x02,
NULL, // RUBY_T_MODULE = 0x03,
dump_float, // RUBY_T_FLOAT = 0x04,
oj_dump_str, // RUBY_T_STRING = 0x05,
NULL, // RUBY_T_REGEXP = 0x06,
dump_array, // RUBY_T_ARRAY = 0x07,
dump_hash, // RUBY_T_HASH = 0x08,
NULL, // RUBY_T_STRUCT = 0x09,
oj_dump_bignum, // RUBY_T_BIGNUM = 0x0a,
NULL, // RUBY_T_FILE = 0x0b,
dump_data_strict, // RUBY_T_DATA = 0x0c,
NULL, // RUBY_T_MATCH = 0x0d,
NULL, // RUBY_T_COMPLEX = 0x0e,
NULL, // RUBY_T_RATIONAL = 0x0f,
NULL, // 0x10
oj_dump_nil, // RUBY_T_NIL = 0x11,
oj_dump_true, // RUBY_T_TRUE = 0x12,
oj_dump_false, // RUBY_T_FALSE = 0x13,
oj_dump_sym, // RUBY_T_SYMBOL = 0x14,
oj_dump_fixnum, // RUBY_T_FIXNUM = 0x15,
};
void
oj_dump_strict_val(VALUE obj, int depth, Out out) {
int type = rb_type(obj);
if (Yes == out->opts->trace) {
oj_trace("dump", obj, __FILE__, __LINE__, depth, TraceIn);
}
if (MAX_DEPTH < depth) {
rb_raise(rb_eNoMemError, "Too deeply nested.\n");
}
if (0 < type && type <= RUBY_T_FIXNUM) {
DumpFunc f = strict_funcs[type];
if (NULL != f) {
f(obj, depth, out, false);
if (Yes == out->opts->trace) {
oj_trace("dump", obj, __FILE__, __LINE__, depth, TraceOut);
}
return;
}
}
raise_strict(obj);
}
static DumpFunc null_funcs[] = {
NULL, // RUBY_T_NONE = 0x00,
dump_data_null, // RUBY_T_OBJECT = 0x01,
NULL, // RUBY_T_CLASS = 0x02,
NULL, // RUBY_T_MODULE = 0x03,
dump_float, // RUBY_T_FLOAT = 0x04,
oj_dump_str, // RUBY_T_STRING = 0x05,
NULL, // RUBY_T_REGEXP = 0x06,
dump_array, // RUBY_T_ARRAY = 0x07,
dump_hash, // RUBY_T_HASH = 0x08,
NULL, // RUBY_T_STRUCT = 0x09,
oj_dump_bignum, // RUBY_T_BIGNUM = 0x0a,
NULL, // RUBY_T_FILE = 0x0b,
dump_data_null, // RUBY_T_DATA = 0x0c,
NULL, // RUBY_T_MATCH = 0x0d,
NULL, // RUBY_T_COMPLEX = 0x0e,
NULL, // RUBY_T_RATIONAL = 0x0f,
NULL, // 0x10
oj_dump_nil, // RUBY_T_NIL = 0x11,
oj_dump_true, // RUBY_T_TRUE = 0x12,
oj_dump_false, // RUBY_T_FALSE = 0x13,
oj_dump_sym, // RUBY_T_SYMBOL = 0x14,
oj_dump_fixnum, // RUBY_T_FIXNUM = 0x15,
};
void
oj_dump_null_val(VALUE obj, int depth, Out out) {
int type = rb_type(obj);
if (Yes == out->opts->trace) {
oj_trace("dump", obj, __FILE__, __LINE__, depth, TraceOut);
}
if (MAX_DEPTH < depth) {
rb_raise(rb_eNoMemError, "Too deeply nested.\n");
}
if (0 < type && type <= RUBY_T_FIXNUM) {
DumpFunc f = null_funcs[type];
if (NULL != f) {
f(obj, depth, out, false);
if (Yes == out->opts->trace) {
oj_trace("dump", obj, __FILE__, __LINE__, depth, TraceOut);
}
return;
}
}
oj_dump_nil(Qnil, depth, out, false);
if (Yes == out->opts->trace) {
oj_trace("dump", Qnil, __FILE__, __LINE__, depth, TraceOut);
}
}
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