kerep/DtsodParser/DtsodV24_deserialize.c
2022-03-28 00:32:46 +03:00

286 lines
8.5 KiB
C

#include "DtsodV24.h"
#include "../Autoarr/StringBuilder.h"
#define ARR_BC 8
#define ARR_BL 16
#define STRB_BC 64
#define STRB_BL 1024
void __throw_wrongchar(char* file, int line, char* fname, char _c, char* _text) {
char errBuf[]="unexpected <c> at:\n \""
"00000000000000000000000000000000\"";
errBuf[12]=_c;
for (uint8 i=0; i < 32; i++)
errBuf[i + 22]=*(_text - 16 + i);
printf("\n\e[91m[%s:%d %s] throwed error: %s\n", file, line, fname, errBuf);
exit(128);
};
#define throw_wrongchar(C) __throw_wrongchar(__FILE__,__LINE__,__func__,C, text)
typedef struct DeserializeSharedData{
char* sh_text;
bool sh_partOfDollarList;
bool sh_readingList;
bool sh_calledRecursively;
} DeserializeSharedData;
#define text shared->sh_text
#define partOfDollarList shared->sh_partOfDollarList
#define readingList shared->sh_readingList
#define calledRecursively shared->sh_calledRecursively
void __SkipComment(DeserializeSharedData* shared) {
char c;
while ((c=*++text) != '\n')
if (!c) throw(ERR_ENDOFSTR);
};
#define SkipComment() __SkipComment(shared)
string __ReadName(DeserializeSharedData* shared){
char c;
string nameStr={text,0};
text--;
while ((c=*++text)) switch (c){
case ' ': case '\t':
case '\r': case '\n':
if(nameStr.length!=0)
throw_wrongchar(c);
nameStr.ptr++;
break;
case '=': case ';':
case '\'': case '"':
case '[': case ']':
case '{':
throw_wrongchar(c);
break;
case '#':
SkipComment();
if(nameStr.length!=0)
throw_wrongchar(c);
nameStr.ptr=text+1; //skips '\n'
break;
case '}':
if(!calledRecursively) throw_wrongchar(c);
if((*++text)!=';')
throw_wrongchar(c);
case ':':
return nameStr;
case '$':
if(nameStr.length!=0)
throw_wrongchar(c);
nameStr.ptr++;
partOfDollarList=true;
break;
default:
nameStr.length++;
break;
}
if(nameStr.length>0) throw(ERR_ENDOFSTR);
return nameStr;
};
#define ReadName() __ReadName(shared)
Hashtable* __deserialize(char** _text, bool _calledRecursively);
Unitype __ReadValue(DeserializeSharedData* shared);
#define ReadValue() __ReadValue(shared)
//returns part of <text> without quotes
char* __ReadString(DeserializeSharedData* shared){
char c;
bool prevIsBackslash=false;
StringBuilder _b=StringBuilder_create(STRB_BC,STRB_BL);
StringBuilder* b=&_b;
while ((c=*++text)){
if(c=='"') {
if(prevIsBackslash) {
//replacing <\"> with <">
Autoarr_remove(b);
StringBuilder_append_char(b,c);
}
else {
char* str=StringBuilder_build(b);
Autoarr_clear(b);
return str;
}
}
else {
prevIsBackslash= c=='\\' && !prevIsBackslash;
StringBuilder_append_char(b,c);
}
}
throw(ERR_ENDOFSTR);
return NULL;
};
#define ReadString() __ReadString(shared)
Autoarr(Unitype)* __ReadList(DeserializeSharedData* shared){
Autoarr(Unitype)* list=malloc(sizeof(Autoarr(Unitype)));
*list=Autoarr_create(Unitype,ARR_BC,ARR_BL);
readingList=true;
while (true){
Autoarr_add(list,ReadValue());
if (!readingList) break;
}
return list;
};
#define ReadList() __ReadList(shared)
Unitype __ParseValue(DeserializeSharedData* shared, string str){
//printf("\e[94m<\e[96m%s\e[94m>\n",string_cpToCptr(str));
const string nullStr={"null",4};
const string trueStr={"true",4};
const string falseStr={"false",5};
switch(*str.ptr){
case 'n':
if(string_compare(str,nullStr))
return UniNull;
else throw_wrongchar(*str.ptr);
break;
case 't':
if(string_compare(str,trueStr))
return UniTrue;
else throw_wrongchar(*str.ptr);
break;
case 'f':
if(string_compare(str,falseStr))
return UniFalse;
else throw_wrongchar(*str.ptr);
break;
default:
switch(str.ptr[str.length-1]){
case 'f': {
char* _c=string_cpToCptr(str);
Unitype rez=Uni(Double,strtod(_c,NULL));
free(_c);
return rez;
}
case 'u': {
uint64 lu=0;
char* _c=string_cpToCptr(str);
sscanf(_c,"%lu",&lu);
free(_c);
return Uni(UInt64,lu);
}
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9': {
int64 li=0;
char* _c=string_cpToCptr(str);
if(sscanf(_c,"%li",&li)!=1){
char err[64];
sprintf(err,"can't parse to int: <%s>",_c);
throw(err);
}
free(_c);
return Uni(Int64,li);
}
default:
throw_wrongchar(str.ptr[str.length-1]);
}
}
throw(ERR_ENDOFSTR);
return UniNull;
};
#define ParseValue(str) __ParseValue(shared, str)
Unitype __ReadValue(DeserializeSharedData* shared){
char c;
string valueStr={text+1,0};
Unitype value;
while ((c=*++text)) switch (c){
case ' ': case '\t':
case '\r': case '\n':
if(valueStr.length!=0)
throw_wrongchar(c);
valueStr.ptr++;
break;
case '=': case ':':
case '}': case '$':
throw_wrongchar(c);
break;
case '#':;
char _c=c;
SkipComment();
if(valueStr.length!=0)
throw_wrongchar(_c);
valueStr.ptr=text+1; //skips '\n'
break;
case '"':
if(valueStr.length!=0) throw_wrongchar(c);
value=UniPtr(CharPtr,ReadString());
break;
case '\'':
if(valueStr.length!=0) throw_wrongchar(c);
char valueChar=*++text;
if (*++text != '\'') throw("after <'> should be char");
value=Uni(Char,valueChar);
break;
case '[':
if(valueStr.length!=0) throw_wrongchar(c);
value=UniPtr(AutoarrUnitypePtr,ReadList());
case ']':
readingList=false;
break;
case '{':
if(valueStr.length!=0) throw_wrongchar(c);
++text; //skips '{'
value=UniPtr(HashtablePtr, __deserialize(&text,true));
return value;
case ';':
case ',':
if(valueStr.length!=0)
value=ParseValue(valueStr);
return value;
default:
valueStr.length++;
break;
}
throw(ERR_ENDOFSTR);
return UniNull;
};
Hashtable* __deserialize(char** _text, bool _calledRecursively) {
DeserializeSharedData _shared={
.sh_text=*_text,
.sh_partOfDollarList=false,
.sh_readingList=false,
.sh_calledRecursively=_calledRecursively
};
DeserializeSharedData* shared=&_shared;
Hashtable* dict=Hashtable_create();
char c;
text--;
while((c=*++text)){
string name=ReadName();
if(name.length==0) //end of file or '}' in recursive call
goto END;
char* nameCPtr=string_cpToCptr(name);
Unitype value=ReadValue();
if(partOfDollarList){
Autoarr(Unitype)* list;
Unitype lu;
if(Hashtable_try_get(dict,nameCPtr, &lu)){
list=(Autoarr(Unitype)*)lu.VoidPtr;
}
else{
list=malloc(sizeof(Autoarr(Unitype)));
*list=Autoarr_create(Unitype,ARR_BC,ARR_BL);
Hashtable_add(dict,nameCPtr,UniPtr(AutoarrUnitypePtr,list));
}
Autoarr_add(list,value);
}
else Hashtable_add(dict,nameCPtr,value);
}
END:
*_text=text;
return dict;
}
Hashtable* DtsodV24_deserialize(char* _text) {
return __deserialize(&_text, false);
}