summaryrefslogtreecommitdiff
path: root/core/io/json.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'core/io/json.cpp')
-rw-r--r--core/io/json.cpp299
1 files changed, 136 insertions, 163 deletions
diff --git a/core/io/json.cpp b/core/io/json.cpp
index 5ade25aab4..98d48ce4ae 100644
--- a/core/io/json.cpp
+++ b/core/io/json.cpp
@@ -29,7 +29,7 @@
#include "json.h"
#include "print_string.h"
-const char * JSON::tk_name[TK_MAX] = {
+const char *JSON::tk_name[TK_MAX] = {
"'{'",
"'}'",
"'['",
@@ -42,14 +42,12 @@ const char * JSON::tk_name[TK_MAX] = {
"EOF",
};
+String JSON::_print_var(const Variant &p_var) {
-
-String JSON::_print_var(const Variant& p_var) {
-
- switch(p_var.get_type()) {
+ switch (p_var.get_type()) {
case Variant::NIL: return "null";
- case Variant::BOOL: return p_var.operator bool() ? "true": "false";
+ case Variant::BOOL: return p_var.operator bool() ? "true" : "false";
case Variant::INT: return itos(p_var);
case Variant::REAL: return rtos(p_var);
case Variant::POOL_INT_ARRAY:
@@ -59,12 +57,12 @@ String JSON::_print_var(const Variant& p_var) {
String s = "[";
Array a = p_var;
- for(int i=0;i<a.size();i++) {
- if (i>0)
- s+=", ";
- s+=_print_var(a[i]);
+ for (int i = 0; i < a.size(); i++) {
+ if (i > 0)
+ s += ", ";
+ s += _print_var(a[i]);
}
- s+="]";
+ s += "]";
return s;
};
case Variant::DICTIONARY: {
@@ -74,34 +72,31 @@ String JSON::_print_var(const Variant& p_var) {
List<Variant> keys;
d.get_key_list(&keys);
- for (List<Variant>::Element *E=keys.front();E;E=E->next()) {
+ for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
- if (E!=keys.front())
- s+=", ";
- s+=_print_var(String(E->get()));
- s+=":";
- s+=_print_var(d[E->get()]);
+ if (E != keys.front())
+ s += ", ";
+ s += _print_var(String(E->get()));
+ s += ":";
+ s += _print_var(d[E->get()]);
}
- s+="}";
+ s += "}";
return s;
};
- default: return "\""+String(p_var).json_escape()+"\"";
-
+ default: return "\"" + String(p_var).json_escape() + "\"";
}
-
}
-String JSON::print(const Variant& p_var) {
+String JSON::print(const Variant &p_var) {
return _print_var(p_var);
}
-
-Error JSON::_get_token(const CharType *p_str, int &idx, int p_len, Token& r_token,int &line,String &r_err_str) {
+Error JSON::_get_token(const CharType *p_str, int &idx, int p_len, Token &r_token, int &line, String &r_err_str) {
while (p_len > 0) {
- switch(p_str[idx]) {
+ switch (p_str[idx]) {
case '\n': {
@@ -110,42 +105,42 @@ Error JSON::_get_token(const CharType *p_str, int &idx, int p_len, Token& r_toke
break;
};
case 0: {
- r_token.type=TK_EOF;
+ r_token.type = TK_EOF;
return OK;
} break;
case '{': {
- r_token.type=TK_CURLY_BRACKET_OPEN;
+ r_token.type = TK_CURLY_BRACKET_OPEN;
idx++;
return OK;
};
case '}': {
- r_token.type=TK_CURLY_BRACKET_CLOSE;
+ r_token.type = TK_CURLY_BRACKET_CLOSE;
idx++;
return OK;
};
case '[': {
- r_token.type=TK_BRACKET_OPEN;
+ r_token.type = TK_BRACKET_OPEN;
idx++;
return OK;
};
case ']': {
- r_token.type=TK_BRACKET_CLOSE;
+ r_token.type = TK_BRACKET_CLOSE;
idx++;
return OK;
};
case ':': {
- r_token.type=TK_COLON;
+ r_token.type = TK_COLON;
idx++;
return OK;
};
case ',': {
- r_token.type=TK_COMMA;
+ r_token.type = TK_COMMA;
idx++;
return OK;
};
@@ -153,66 +148,62 @@ Error JSON::_get_token(const CharType *p_str, int &idx, int p_len, Token& r_toke
idx++;
String str;
- while(true) {
- if (p_str[idx]==0) {
- r_err_str="Unterminated String";
+ while (true) {
+ if (p_str[idx] == 0) {
+ r_err_str = "Unterminated String";
return ERR_PARSE_ERROR;
- } else if (p_str[idx]=='"') {
+ } else if (p_str[idx] == '"') {
idx++;
break;
- } else if (p_str[idx]=='\\') {
+ } else if (p_str[idx] == '\\') {
//escaped characters...
idx++;
CharType next = p_str[idx];
- if (next==0) {
- r_err_str="Unterminated String";
- return ERR_PARSE_ERROR;
+ if (next == 0) {
+ r_err_str = "Unterminated String";
+ return ERR_PARSE_ERROR;
}
- CharType res=0;
+ CharType res = 0;
- switch(next) {
+ switch (next) {
- case 'b': res=8; break;
- case 't': res=9; break;
- case 'n': res=10; break;
- case 'f': res=12; break;
- case 'r': res=13; break;
+ case 'b': res = 8; break;
+ case 't': res = 9; break;
+ case 'n': res = 10; break;
+ case 'f': res = 12; break;
+ case 'r': res = 13; break;
case 'u': {
//hexnumbarh - oct is deprecated
-
- for(int j=0;j<4;j++) {
- CharType c = p_str[idx+j+1];
- if (c==0) {
- r_err_str="Unterminated String";
+ for (int j = 0; j < 4; j++) {
+ CharType c = p_str[idx + j + 1];
+ if (c == 0) {
+ r_err_str = "Unterminated String";
return ERR_PARSE_ERROR;
}
- if (!((c>='0' && c<='9') || (c>='a' && c<='f') || (c>='A' && c<='F'))) {
+ if (!((c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F'))) {
- r_err_str="Malformed hex constant in string";
+ r_err_str = "Malformed hex constant in string";
return ERR_PARSE_ERROR;
}
CharType v;
- if (c>='0' && c<='9') {
- v=c-'0';
- } else if (c>='a' && c<='f') {
- v=c-'a';
- v+=10;
- } else if (c>='A' && c<='F') {
- v=c-'A';
- v+=10;
+ if (c >= '0' && c <= '9') {
+ v = c - '0';
+ } else if (c >= 'a' && c <= 'f') {
+ v = c - 'a';
+ v += 10;
+ } else if (c >= 'A' && c <= 'F') {
+ v = c - 'A';
+ v += 10;
} else {
ERR_PRINT("BUG");
- v=0;
+ v = 0;
}
- res<<=4;
- res|=v;
-
-
+ res <<= 4;
+ res |= v;
}
- idx+=4; //will add at the end anyway
-
+ idx += 4; //will add at the end anyway
} break;
//case '\"': res='\"'; break;
@@ -225,250 +216,232 @@ Error JSON::_get_token(const CharType *p_str, int &idx, int p_len, Token& r_toke
} break;
}
- str+=res;
+ str += res;
} else {
- if (p_str[idx]=='\n')
+ if (p_str[idx] == '\n')
line++;
- str+=p_str[idx];
+ str += p_str[idx];
}
idx++;
}
- r_token.type=TK_STRING;
- r_token.value=str;
+ r_token.type = TK_STRING;
+ r_token.value = str;
return OK;
} break;
default: {
- if (p_str[idx]<=32) {
+ if (p_str[idx] <= 32) {
idx++;
break;
}
- if (p_str[idx]=='-' || (p_str[idx]>='0' && p_str[idx]<='9')) {
+ if (p_str[idx] == '-' || (p_str[idx] >= '0' && p_str[idx] <= '9')) {
//a number
const CharType *rptr;
- double number = String::to_double(&p_str[idx],&rptr);
- idx+=(rptr - &p_str[idx]);
- r_token.type=TK_NUMBER;
- r_token.value=number;
+ double number = String::to_double(&p_str[idx], &rptr);
+ idx += (rptr - &p_str[idx]);
+ r_token.type = TK_NUMBER;
+ r_token.value = number;
return OK;
- } else if ((p_str[idx]>='A' && p_str[idx]<='Z') || (p_str[idx]>='a' && p_str[idx]<='z')) {
+ } else if ((p_str[idx] >= 'A' && p_str[idx] <= 'Z') || (p_str[idx] >= 'a' && p_str[idx] <= 'z')) {
String id;
- while((p_str[idx]>='A' && p_str[idx]<='Z') || (p_str[idx]>='a' && p_str[idx]<='z')) {
+ while ((p_str[idx] >= 'A' && p_str[idx] <= 'Z') || (p_str[idx] >= 'a' && p_str[idx] <= 'z')) {
- id+=p_str[idx];
+ id += p_str[idx];
idx++;
}
- r_token.type=TK_IDENTIFIER;
- r_token.value=id;
+ r_token.type = TK_IDENTIFIER;
+ r_token.value = id;
return OK;
} else {
- r_err_str="Unexpected character.";
+ r_err_str = "Unexpected character.";
return ERR_PARSE_ERROR;
}
}
-
}
}
return ERR_PARSE_ERROR;
}
+Error JSON::_parse_value(Variant &value, Token &token, const CharType *p_str, int &index, int p_len, int &line, String &r_err_str) {
-
-Error JSON::_parse_value(Variant &value,Token& token,const CharType *p_str,int &index, int p_len,int &line,String &r_err_str) {
-
-
- if (token.type==TK_CURLY_BRACKET_OPEN) {
+ if (token.type == TK_CURLY_BRACKET_OPEN) {
Dictionary d;
- Error err = _parse_object(d,p_str,index,p_len,line,r_err_str);
+ Error err = _parse_object(d, p_str, index, p_len, line, r_err_str);
if (err)
return err;
- value=d;
+ value = d;
return OK;
- } else if (token.type==TK_BRACKET_OPEN) {
+ } else if (token.type == TK_BRACKET_OPEN) {
Array a;
- Error err = _parse_array(a,p_str,index,p_len,line,r_err_str);
+ Error err = _parse_array(a, p_str, index, p_len, line, r_err_str);
if (err)
return err;
- value=a;
+ value = a;
return OK;
- } else if (token.type==TK_IDENTIFIER) {
+ } else if (token.type == TK_IDENTIFIER) {
String id = token.value;
- if (id=="true")
- value=true;
- else if (id=="false")
- value=false;
- else if (id=="null")
- value=Variant();
+ if (id == "true")
+ value = true;
+ else if (id == "false")
+ value = false;
+ else if (id == "null")
+ value = Variant();
else {
- r_err_str="Expected 'true','false' or 'null', got '"+id+"'.";
+ r_err_str = "Expected 'true','false' or 'null', got '" + id + "'.";
return ERR_PARSE_ERROR;
}
return OK;
- } else if (token.type==TK_NUMBER) {
+ } else if (token.type == TK_NUMBER) {
- value=token.value;
+ value = token.value;
return OK;
- } else if (token.type==TK_STRING) {
+ } else if (token.type == TK_STRING) {
- value=token.value;
+ value = token.value;
return OK;
} else {
- r_err_str="Expected value, got "+String(tk_name[token.type])+".";
+ r_err_str = "Expected value, got " + String(tk_name[token.type]) + ".";
return ERR_PARSE_ERROR;
}
return ERR_PARSE_ERROR;
}
-
-Error JSON::_parse_array(Array &array,const CharType *p_str,int &index, int p_len,int &line,String &r_err_str) {
+Error JSON::_parse_array(Array &array, const CharType *p_str, int &index, int p_len, int &line, String &r_err_str) {
Token token;
- bool need_comma=false;
-
+ bool need_comma = false;
- while(index<p_len) {
+ while (index < p_len) {
- Error err = _get_token(p_str,index,p_len,token,line,r_err_str);
- if (err!=OK)
+ Error err = _get_token(p_str, index, p_len, token, line, r_err_str);
+ if (err != OK)
return err;
- if (token.type==TK_BRACKET_CLOSE) {
+ if (token.type == TK_BRACKET_CLOSE) {
return OK;
}
if (need_comma) {
- if (token.type!=TK_COMMA) {
+ if (token.type != TK_COMMA) {
- r_err_str="Expected ','";
+ r_err_str = "Expected ','";
return ERR_PARSE_ERROR;
} else {
- need_comma=false;
+ need_comma = false;
continue;
}
}
Variant v;
- err = _parse_value(v,token,p_str,index,p_len,line,r_err_str);
+ err = _parse_value(v, token, p_str, index, p_len, line, r_err_str);
if (err)
return err;
array.push_back(v);
- need_comma=true;
-
+ need_comma = true;
}
return ERR_PARSE_ERROR;
-
}
-Error JSON::_parse_object(Dictionary &object,const CharType *p_str,int &index, int p_len,int &line,String &r_err_str) {
+Error JSON::_parse_object(Dictionary &object, const CharType *p_str, int &index, int p_len, int &line, String &r_err_str) {
- bool at_key=true;
+ bool at_key = true;
String key;
Token token;
- bool need_comma=false;
-
-
- while(index<p_len) {
+ bool need_comma = false;
+ while (index < p_len) {
if (at_key) {
- Error err = _get_token(p_str,index,p_len,token,line,r_err_str);
- if (err!=OK)
+ Error err = _get_token(p_str, index, p_len, token, line, r_err_str);
+ if (err != OK)
return err;
- if (token.type==TK_CURLY_BRACKET_CLOSE) {
+ if (token.type == TK_CURLY_BRACKET_CLOSE) {
return OK;
}
if (need_comma) {
- if (token.type!=TK_COMMA) {
+ if (token.type != TK_COMMA) {
- r_err_str="Expected '}' or ','";
+ r_err_str = "Expected '}' or ','";
return ERR_PARSE_ERROR;
} else {
- need_comma=false;
+ need_comma = false;
continue;
}
}
- if (token.type!=TK_STRING) {
-
+ if (token.type != TK_STRING) {
- r_err_str="Expected key";
+ r_err_str = "Expected key";
return ERR_PARSE_ERROR;
}
- key=token.value;
- err = _get_token(p_str,index,p_len,token,line,r_err_str);
- if (err!=OK)
+ key = token.value;
+ err = _get_token(p_str, index, p_len, token, line, r_err_str);
+ if (err != OK)
return err;
- if (token.type!=TK_COLON) {
+ if (token.type != TK_COLON) {
- r_err_str="Expected ':'";
+ r_err_str = "Expected ':'";
return ERR_PARSE_ERROR;
}
- at_key=false;
+ at_key = false;
} else {
-
- Error err = _get_token(p_str,index,p_len,token,line,r_err_str);
- if (err!=OK)
+ Error err = _get_token(p_str, index, p_len, token, line, r_err_str);
+ if (err != OK)
return err;
Variant v;
- err = _parse_value(v,token,p_str,index,p_len,line,r_err_str);
+ err = _parse_value(v, token, p_str, index, p_len, line, r_err_str);
if (err)
return err;
- object[key]=v;
- need_comma=true;
- at_key=true;
+ object[key] = v;
+ need_comma = true;
+ at_key = true;
}
}
return ERR_PARSE_ERROR;
}
-
-Error JSON::parse(const String& p_json, Variant &r_ret, String &r_err_str, int &r_err_line) {
-
+Error JSON::parse(const String &p_json, Variant &r_ret, String &r_err_str, int &r_err_line) {
const CharType *str = p_json.ptr();
int idx = 0;
int len = p_json.length();
Token token;
- r_err_line=0;
+ r_err_line = 0;
String aux_key;
- Error err = _get_token(str,idx,len,token,r_err_line,r_err_str);
+ Error err = _get_token(str, idx, len, token, r_err_line, r_err_str);
if (err)
return err;
- err = _parse_value(r_ret,token,str,idx,len,r_err_line,r_err_str);
+ err = _parse_value(r_ret, token, str, idx, len, r_err_line, r_err_str);
return err;
-
-
}
-
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 04:54:55 +0000