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// Copyright (c) 2012 Peter Ohler. All rights reserved.
// Licensed under the MIT License. See LICENSE file in the project root for license details.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "encode.h"
#include "err.h"
#include "intern.h"
#include "oj.h"
#include "parse.h"
#include "trace.h"
VALUE oj_cstr_to_value(const char *str, size_t len, size_t cache_str) {
volatile VALUE rstr = Qnil;
if (len < cache_str) {
rstr = oj_str_intern(str, len);
} else {
rstr = rb_str_new(str, len);
rstr = oj_encode(rstr);
}
return rstr;
}
VALUE oj_calc_hash_key(ParseInfo pi, Val parent) {
volatile VALUE rkey = parent->key_val;
if (Qundef != rkey) {
return rkey;
}
if (Yes != pi->options.cache_keys) {
if (Yes == pi->options.sym_key) {
rkey = ID2SYM(rb_intern3(parent->key, parent->klen, oj_utf8_encoding));
} else {
rkey = rb_str_new(parent->key, parent->klen);
rkey = oj_encode(rkey);
OBJ_FREEZE(rkey); // frozen when used as a Hash key anyway
}
return rkey;
}
if (Yes == pi->options.sym_key) {
rkey = oj_sym_intern(parent->key, parent->klen);
} else {
rkey = oj_str_intern(parent->key, parent->klen);
}
return rkey;
}
static void hash_end(ParseInfo pi) {
TRACE_PARSE_HASH_END(pi->options.trace, pi);
}
static void array_end(ParseInfo pi) {
TRACE_PARSE_ARRAY_END(pi->options.trace, pi);
}
static VALUE noop_hash_key(ParseInfo pi, const char *key, size_t klen) {
return Qundef;
}
static void add_value(ParseInfo pi, VALUE val) {
TRACE_PARSE_CALL(pi->options.trace, "add_value", pi, val);
pi->stack.head->val = val;
}
static void add_cstr(ParseInfo pi, const char *str, size_t len, const char *orig) {
volatile VALUE rstr = oj_cstr_to_value(str, len, (size_t)pi->options.cache_str);
pi->stack.head->val = rstr;
TRACE_PARSE_CALL(pi->options.trace, "add_string", pi, rstr);
}
static void add_num(ParseInfo pi, NumInfo ni) {
if (ni->infinity || ni->nan) {
oj_set_error_at(pi, oj_parse_error_class, __FILE__, __LINE__, "not a number or other value");
}
pi->stack.head->val = oj_num_as_value(ni);
TRACE_PARSE_CALL(pi->options.trace, "add_number", pi, pi->stack.head->val);
}
static VALUE start_hash(ParseInfo pi) {
if (Qnil != pi->options.hash_class) {
return rb_class_new_instance(0, NULL, pi->options.hash_class);
}
TRACE_PARSE_IN(pi->options.trace, "start_hash", pi);
return rb_hash_new();
}
static void hash_set_cstr(ParseInfo pi, Val parent, const char *str, size_t len, const char *orig) {
volatile VALUE rstr = oj_cstr_to_value(str, len, (size_t)pi->options.cache_str);
rb_hash_aset(stack_peek(&pi->stack)->val, oj_calc_hash_key(pi, parent), rstr);
TRACE_PARSE_CALL(pi->options.trace, "set_string", pi, rstr);
}
static void hash_set_num(ParseInfo pi, Val parent, NumInfo ni) {
volatile VALUE v;
if (ni->infinity || ni->nan) {
oj_set_error_at(pi, oj_parse_error_class, __FILE__, __LINE__, "not a number or other value");
}
v = oj_num_as_value(ni);
rb_hash_aset(stack_peek(&pi->stack)->val, oj_calc_hash_key(pi, parent), v);
TRACE_PARSE_CALL(pi->options.trace, "set_number", pi, v);
}
static void hash_set_value(ParseInfo pi, Val parent, VALUE value) {
rb_hash_aset(stack_peek(&pi->stack)->val, oj_calc_hash_key(pi, parent), value);
TRACE_PARSE_CALL(pi->options.trace, "set_value", pi, value);
}
static VALUE start_array(ParseInfo pi) {
TRACE_PARSE_IN(pi->options.trace, "start_array", pi);
return rb_ary_new();
}
static void array_append_cstr(ParseInfo pi, const char *str, size_t len, const char *orig) {
volatile VALUE rstr = oj_cstr_to_value(str, len, (size_t)pi->options.cache_str);
rb_ary_push(stack_peek(&pi->stack)->val, rstr);
TRACE_PARSE_CALL(pi->options.trace, "append_string", pi, rstr);
}
static void array_append_num(ParseInfo pi, NumInfo ni) {
volatile VALUE v;
if (ni->infinity || ni->nan) {
oj_set_error_at(pi, oj_parse_error_class, __FILE__, __LINE__, "not a number or other value");
}
v = oj_num_as_value(ni);
rb_ary_push(stack_peek(&pi->stack)->val, v);
TRACE_PARSE_CALL(pi->options.trace, "append_number", pi, v);
}
static void array_append_value(ParseInfo pi, VALUE value) {
rb_ary_push(stack_peek(&pi->stack)->val, value);
TRACE_PARSE_CALL(pi->options.trace, "append_value", pi, value);
}
void oj_set_strict_callbacks(ParseInfo pi) {
pi->start_hash = start_hash;
pi->end_hash = hash_end;
pi->hash_key = noop_hash_key;
pi->hash_set_cstr = hash_set_cstr;
pi->hash_set_num = hash_set_num;
pi->hash_set_value = hash_set_value;
pi->start_array = start_array;
pi->end_array = array_end;
pi->array_append_cstr = array_append_cstr;
pi->array_append_num = array_append_num;
pi->array_append_value = array_append_value;
pi->add_cstr = add_cstr;
pi->add_num = add_num;
pi->add_value = add_value;
pi->expect_value = 1;
}
VALUE
oj_strict_parse(int argc, VALUE *argv, VALUE self) {
struct _parseInfo pi;
parse_info_init(&pi);
pi.options = oj_default_options;
pi.handler = Qnil;
pi.err_class = Qnil;
oj_set_strict_callbacks(&pi);
if (T_STRING == rb_type(*argv)) {
return oj_pi_parse(argc, argv, &pi, 0, 0, true);
} else {
return oj_pi_sparse(argc, argv, &pi, 0);
}
}
VALUE
oj_strict_parse_cstr(int argc, VALUE *argv, char *json, size_t len) {
struct _parseInfo pi;
parse_info_init(&pi);
pi.options = oj_default_options;
pi.handler = Qnil;
pi.err_class = Qnil;
oj_set_strict_callbacks(&pi);
return oj_pi_parse(argc, argv, &pi, json, len, true);
}
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