diff options
Diffstat (limited to 'core/variant_parser.cpp')
| -rw-r--r-- | core/variant_parser.cpp | 1398 |
1 files changed, 1398 insertions, 0 deletions
diff --git a/core/variant_parser.cpp b/core/variant_parser.cpp new file mode 100644 index 0000000000..2bf9fd7f32 --- /dev/null +++ b/core/variant_parser.cpp @@ -0,0 +1,1398 @@ +#include "variant_parser.h" +#include "io/resource_loader.h" +#include "os/keyboard.h" + + + +CharType VariantParser::StreamFile::get_char() { + + return f->get_8(); +} + +bool VariantParser::StreamFile::is_utf8() const { + + return true; +} +bool VariantParser::StreamFile::is_eof() const { + + return f->eof_reached(); +} + + + + +///////////////////////////////////////////////////////////////////////////////////////////////// + + + +const char * VariantParser::tk_name[TK_MAX] = { + "'{'", + "'}'", + "'['", + "']'", + "'('", + "')'", + "identifier", + "string", + "number", + "':'", + "','", + "'='", + "EOF", + "ERROR" +}; + + + +Error VariantParser::get_token(Stream *p_stream, Token& r_token, int &line, String &r_err_str) { + + while (true) { + + CharType cchar; + if (p_stream->saved) { + cchar=p_stream->saved; + p_stream->saved=0; + } else { + cchar=p_stream->get_char(); + } + + switch(cchar) { + + case '\n': { + + line++; + break; + }; + case 0: { + r_token.type=TK_EOF; + return OK; + } break; + case '{': { + + r_token.type=TK_CURLY_BRACKET_OPEN; + return OK; + }; + case '}': { + + r_token.type=TK_CURLY_BRACKET_CLOSE; + return OK; + }; + case '[': { + + r_token.type=TK_BRACKET_OPEN; + return OK; + }; + case ']': { + + r_token.type=TK_BRACKET_CLOSE; + return OK; + }; + case '(': { + + r_token.type=TK_PARENTHESIS_OPEN; + return OK; + }; + case ')': { + + r_token.type=TK_PARENTHESIS_CLOSE; + return OK; + }; + case ':': { + + r_token.type=TK_COLON; + return OK; + }; + case ',': { + + r_token.type=TK_COMMA; + return OK; + }; + case '=': { + + r_token.type=TK_EQUAL; + return OK; + }; + case '"': { + + + String str; + while(true) { + + CharType ch=p_stream->get_char(); + + if (ch==0) { + r_err_str="Unterminated String"; + r_token.type=TK_ERROR; + return ERR_PARSE_ERROR; + } else if (ch=='"') { + break; + } else if (ch=='\\') { + //escaped characters... + CharType next = p_stream->get_char(); + if (next==0) { + r_err_str="Unterminated String"; + r_token.type=TK_ERROR; + return ERR_PARSE_ERROR; + } + CharType res=0; + + 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 'u': { + //hexnumbarh - oct is deprecated + + + for(int j=0;j<4;j++) { + CharType c = p_stream->get_char(); + if (c==0) { + r_err_str="Unterminated String"; + r_token.type=TK_ERROR; + return ERR_PARSE_ERROR; + } + if (!((c>='0' && c<='9') || (c>='a' && c<='f') || (c>='A' && c<='F'))) { + + r_err_str="Malformed hex constant in string"; + r_token.type=TK_ERROR; + 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; + } else { + ERR_PRINT("BUG"); + v=0; + } + + res<<=4; + res|=v; + + + } + + + + } break; + //case '\"': res='\"'; break; + //case '\\': res='\\'; break; + //case '/': res='/'; break; + default: { + res = next; + //r_err_str="Invalid escape sequence"; + //return ERR_PARSE_ERROR; + } break; + } + + str+=res; + + } else { + if (ch=='\n') + line++; + str+=ch; + } + } + + r_token.type=TK_STRING; + r_token.value=str; + return OK; + + } break; + default: { + + if (cchar<=32) { + break; + } + + if (cchar=='-' || (cchar>='0' && cchar<='9')) { + //a number + print_line("a numbar"); + + String num; +#define READING_SIGN 0 +#define READING_INT 1 +#define READING_DEC 2 +#define READING_EXP 3 +#define READING_DONE 4 + int reading=READING_INT; + + if (cchar=='-') { + num+='-'; + cchar=p_stream->get_char(); + print_line("isnegative"); + + } + + + + CharType c = cchar; + bool exp_sign=false; + bool exp_beg=false; + bool is_float=false; + + while(true) { + + switch(reading) { + case READING_INT: { + + if (c>='0' && c<='9') { + //pass + print_line("num: regular"); + } else if (c=='.') { + reading=READING_DEC; + print_line("num: decimal"); + is_float=true; + } else if (c=='e') { + reading=READING_EXP; + print_line("num: exp"); + } else { + reading=READING_DONE; + } + + } break; + case READING_DEC: { + + if (c>='0' && c<='9') { + print_line("dec: exp"); + + } else if (c=='e') { + reading=READING_EXP; + print_line("dec: expe"); + } else { + reading=READING_DONE; + } + + } break; + case READING_EXP: { + + if (c>='0' && c<='9') { + exp_beg=true; + print_line("exp: num"); + } else if ((c=='-' || c=='+') && !exp_sign && !exp_beg) { + exp_sign=true; + print_line("exp: sgn"); + } else { + reading=READING_DONE; + } + } break; + } + + if (reading==READING_DONE) + break; + num+=String::chr(c); + c = p_stream->get_char(); + print_line("add to c"); + + } + + p_stream->saved=c; + + print_line("num was: "+num); + r_token.type=TK_NUMBER; + if (is_float) + r_token.value=num.to_double(); + else + r_token.value=num.to_int(); + return OK; + + } else if ((cchar>='A' && cchar<='Z') || (cchar>='a' && cchar<='z') || cchar=='_') { + + String id; + + while((cchar>='A' && cchar<='Z') || (cchar>='a' && cchar<='z') || cchar=='_') { + + id+=String::chr(cchar); + cchar=p_stream->get_char(); + } + + p_stream->saved=cchar; + + r_token.type=TK_IDENTIFIER; + r_token.value=id; + return OK; + } else { + r_err_str="Unexpected character."; + r_token.type=TK_ERROR; + return ERR_PARSE_ERROR; + } + } + } + } + + r_token.type=TK_ERROR; + return ERR_PARSE_ERROR; +} + + +Error VariantParser::_parse_construct(Stream *p_stream,Vector<float>& r_construct,int &line,String &r_err_str) { + + + Token token; + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_PARENTHESIS_OPEN) { + r_err_str="Expected '('"; + return ERR_PARSE_ERROR; + } + + + bool first=true; + while(true) { + + if (!first) { + get_token(p_stream,token,line,r_err_str); + if (token.type==TK_COMMA) { + //do none + } else if (token.type!=TK_PARENTHESIS_CLOSE) { + break; + } else { + r_err_str="Expected ',' or ')'"; + return ERR_PARSE_ERROR; + + } + } + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_NUMBER) { + r_err_str="Expected float"; + return ERR_PARSE_ERROR; + } + + r_construct.push_back(token.value); + } + + return OK; + +} + +Error VariantParser::parse_value(Token& token,Variant &value,Stream *p_stream,int &line,String &r_err_str,ResourceParser *p_res_parser) { + + + +/* { + Error err = get_token(p_stream,token,line,r_err_str); + if (err) + return err; + }*/ + + + if (token.type==TK_CURLY_BRACKET_OPEN) { + + Dictionary d; + Error err = _parse_dictionary(d,p_stream,line,r_err_str,p_res_parser); + if (err) + return err; + value=d; + return OK; + } else if (token.type==TK_BRACKET_OPEN) { + + Array a; + Error err = _parse_array(a,p_stream,line,r_err_str,p_res_parser); + if (err) + return err; + value=a; + return OK; + + } else if (token.type==TK_IDENTIFIER) { +/* + VECTOR2, // 5 + RECT2, + VECTOR3, + MATRIX32, + PLANE, + QUAT, // 10 + _AABB, //sorry naming convention fail :( not like it's used often + MATRIX3, + TRANSFORM, + + // misc types + COLOR, + IMAGE, // 15 + NODE_PATH, + _RID, + OBJECT, + INPUT_EVENT, + DICTIONARY, // 20 + ARRAY, + + // arrays + RAW_ARRAY, + INT_ARRAY, + REAL_ARRAY, + STRING_ARRAY, // 25 + VECTOR2_ARRAY, + VECTOR3_ARRAY, + COLOR_ARRAY, + + VARIANT_MAX + +*/ + String id = token.value; + if (id=="true") + value=true; + else if (id=="false") + value=false; + else if (id=="null") + value=Variant(); + else if (id=="Vector2"){ + + Vector<float> args; + Error err = _parse_construct(p_stream,args,line,r_err_str); + if (err) + return err; + + if (args.size()!=2) { + r_err_str="Expected 2 arguments for constructor"; + } + + value=Vector2(args[0],args[1]); + return OK; + } else if (id=="Vector3"){ + + Vector<float> args; + Error err = _parse_construct(p_stream,args,line,r_err_str); + if (err) + return err; + + if (args.size()!=3) { + r_err_str="Expected 3 arguments for constructor"; + } + + value=Vector3(args[0],args[1],args[2]); + return OK; + } else if (id=="Matrix32"){ + + Vector<float> args; + Error err = _parse_construct(p_stream,args,line,r_err_str); + if (err) + return err; + + if (args.size()!=6) { + r_err_str="Expected 6 arguments for constructor"; + } + Matrix32 m; + m[0]=Vector2(args[0],args[1]); + m[1]=Vector2(args[2],args[3]); + m[2]=Vector2(args[4],args[5]); + value=m; + return OK; + } else if (id=="Plane") { + + Vector<float> args; + Error err = _parse_construct(p_stream,args,line,r_err_str); + if (err) + return err; + + if (args.size()!=4) { + r_err_str="Expected 4 arguments for constructor"; + } + + value=Plane(args[0],args[1],args[2],args[3]); + return OK; + } else if (id=="Quat") { + + Vector<float> args; + Error err = _parse_construct(p_stream,args,line,r_err_str); + if (err) + return err; + + if (args.size()!=4) { + r_err_str="Expected 4 arguments for constructor"; + } + + value=Quat(args[0],args[1],args[2],args[3]); + return OK; + + } else if (id=="AABB"){ + + Vector<float> args; + Error err = _parse_construct(p_stream,args,line,r_err_str); + if (err) + return err; + + if (args.size()!=6) { + r_err_str="Expected 6 arguments for constructor"; + } + + value=AABB(Vector3(args[0],args[1],args[2]),Vector3(args[3],args[4],args[5])); + return OK; + + } else if (id=="Matrix3"){ + + Vector<float> args; + Error err = _parse_construct(p_stream,args,line,r_err_str); + if (err) + return err; + + if (args.size()!=9) { + r_err_str="Expected 9 arguments for constructor"; + } + + value=Matrix3(args[0],args[1],args[2],args[3],args[4],args[5],args[6],args[7],args[8]); + return OK; + } else if (id=="Transform"){ + + Vector<float> args; + Error err = _parse_construct(p_stream,args,line,r_err_str); + if (err) + return err; + + if (args.size()!=12) { + r_err_str="Expected 12 arguments for constructor"; + } + + value=Transform(Matrix3(args[0],args[1],args[2],args[3],args[4],args[5],args[6],args[7],args[8]),Vector3(args[9],args[10],args[11])); + return OK; + + } else if (id=="Color") { + + Vector<float> args; + Error err = _parse_construct(p_stream,args,line,r_err_str); + if (err) + return err; + + if (args.size()!=4) { + r_err_str="Expected 4 arguments for constructor"; + } + + value=Color(args[0],args[1],args[2],args[3]); + return OK; + + } else if (id=="Image") { + + //:| + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_PARENTHESIS_OPEN) { + r_err_str="Expected '('"; + return ERR_PARSE_ERROR; + } + + + get_token(p_stream,token,line,r_err_str); + if (token.type==TK_PARENTHESIS_CLOSE) { + value=Image(); // just an Image() + return OK; + } else if (token.type!=TK_NUMBER) { + r_err_str="Expected number (width)"; + return ERR_PARSE_ERROR; + } + + get_token(p_stream,token,line,r_err_str); + + int width=token.value; + if (token.type!=TK_COMMA) { + r_err_str="Expected ','"; + return ERR_PARSE_ERROR; + } + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_NUMBER) { + r_err_str="Expected number (height)"; + return ERR_PARSE_ERROR; + } + + int height=token.value; + if (token.type!=TK_COMMA) { + r_err_str="Expected ','"; + return ERR_PARSE_ERROR; + } + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_NUMBER) { + r_err_str="Expected number (mipmaps)"; + return ERR_PARSE_ERROR; + } + + int mipmaps=token.value; + if (token.type!=TK_COMMA) { + r_err_str="Expected ','"; + return ERR_PARSE_ERROR; + } + + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_IDENTIFIER) { + r_err_str="Expected identifier (format)"; + return ERR_PARSE_ERROR; + } + + String sformat=token.value; + + Image::Format format; + + if (sformat=="GRAYSCALE") format=Image::FORMAT_GRAYSCALE; + else if (sformat=="INTENSITY") format=Image::FORMAT_INTENSITY; + else if (sformat=="GRAYSCALE_ALPHA") format=Image::FORMAT_GRAYSCALE_ALPHA; + else if (sformat=="RGB") format=Image::FORMAT_RGB; + else if (sformat=="RGBA") format=Image::FORMAT_RGBA; + else if (sformat=="INDEXED") format=Image::FORMAT_INDEXED; + else if (sformat=="INDEXED_ALPHA") format=Image::FORMAT_INDEXED_ALPHA; + else if (sformat=="BC1") format=Image::FORMAT_BC1; + else if (sformat=="BC2") format=Image::FORMAT_BC2; + else if (sformat=="BC3") format=Image::FORMAT_BC3; + else if (sformat=="BC4") format=Image::FORMAT_BC4; + else if (sformat=="BC5") format=Image::FORMAT_BC5; + else if (sformat=="PVRTC2") format=Image::FORMAT_PVRTC2; + else if (sformat=="PVRTC2_ALPHA") format=Image::FORMAT_PVRTC2_ALPHA; + else if (sformat=="PVRTC4") format=Image::FORMAT_PVRTC4; + else if (sformat=="PVRTC4_ALPHA") format=Image::FORMAT_PVRTC4_ALPHA; + else if (sformat=="ATC") format=Image::FORMAT_ATC; + else if (sformat=="ATC_ALPHA_EXPLICIT") format=Image::FORMAT_ATC_ALPHA_EXPLICIT; + else if (sformat=="ATC_ALPHA_INTERPOLATED") format=Image::FORMAT_ATC_ALPHA_INTERPOLATED; + else if (sformat=="CUSTOM") format=Image::FORMAT_CUSTOM; + else { + r_err_str="Invalid image format: '"+sformat+"'"; + return ERR_PARSE_ERROR; + }; + + int len = Image::get_image_data_size(width,height,format,mipmaps); + + DVector<uint8_t> buffer; + buffer.resize(len); + + if (buffer.size()!=len) { + r_err_str="Couldn't allocate image buffer of size: "+itos(len); + } + + { + DVector<uint8_t>::Write w=buffer.write(); + + for(int i=0;i<len;i++) { + + if (token.type!=TK_COMMA) { + r_err_str="Expected ','"; + return ERR_PARSE_ERROR; + } + + if (token.type!=TK_NUMBER) { + r_err_str="Expected number"; + return ERR_PARSE_ERROR; + } + + w[i]=int(token.value); + + } + } + + + Image img(width,height,mipmaps,format,buffer); + + value=img; + + return OK; + + + } else if (id=="NodePath") { + + + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_PARENTHESIS_OPEN) { + r_err_str="Expected '('"; + return ERR_PARSE_ERROR; + } + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_STRING) { + r_err_str="Expected string as argument"; + return ERR_PARSE_ERROR; + } + + value=NodePath(String(token.value)); + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_PARENTHESIS_CLOSE) { + r_err_str="Expected ')'"; + return ERR_PARSE_ERROR; + } + + } else if (id=="RID") { + + + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_PARENTHESIS_OPEN) { + r_err_str="Expected '('"; + return ERR_PARSE_ERROR; + } + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_NUMBER) { + r_err_str="Expected number as argument"; + return ERR_PARSE_ERROR; + } + + value=token.value; + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_PARENTHESIS_CLOSE) { + r_err_str="Expected ')'"; + return ERR_PARSE_ERROR; + } + + + return OK; + + } else if (id=="Resource") { + + + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_PARENTHESIS_OPEN) { + r_err_str="Expected '('"; + return ERR_PARSE_ERROR; + } + + get_token(p_stream,token,line,r_err_str); + if (token.type==TK_STRING) { + String path=token.value; + RES res = ResourceLoader::load(path); + if (res.is_null()) { + r_err_str="Can't load resource at path: '"+path+"'."; + return ERR_PARSE_ERROR; + } + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_PARENTHESIS_CLOSE) { + r_err_str="Expected ')'"; + return ERR_PARSE_ERROR; + } + + value=res; + return OK; + + } else if (p_res_parser && p_res_parser->func){ + + RES res; + Error err = p_res_parser->func(p_res_parser->userdata,p_stream,res,line,r_err_str); + if (err) + return err; + + value=res; + + return OK; + } else { + + r_err_str="Expected string as argument."; + return ERR_PARSE_ERROR; + } + + return OK; + + } else if (id=="InputEvent") { + + + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_PARENTHESIS_OPEN) { + r_err_str="Expected '('"; + return ERR_PARSE_ERROR; + } + + get_token(p_stream,token,line,r_err_str); + + if (token.type!=TK_IDENTIFIER) { + r_err_str="Expected identifier"; + return ERR_PARSE_ERROR; + } + + + String id = token.value; + + InputEvent ie; + + if (id=="KEY") { + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_COMMA) { + r_err_str="Expected ','"; + return ERR_PARSE_ERROR; + } + + ie.type=InputEvent::KEY; + + + get_token(p_stream,token,line,r_err_str); + if (token.type==TK_IDENTIFIER) { + String name=token.value; + ie.key.scancode=find_keycode(name); + } else if (token.type==TK_NUMBER) { + + ie.key.scancode=token.value; + } else { + + r_err_str="Expected string or integer for keycode"; + return ERR_PARSE_ERROR; + } + + get_token(p_stream,token,line,r_err_str); + + if (token.type==TK_COMMA) { + + get_token(p_stream,token,line,r_err_str); + + if (token.type!=TK_IDENTIFIER) { + r_err_str="Expected identifier with modifier flas"; + return ERR_PARSE_ERROR; + } + + String mods=token.value; + + if (mods.findn("C")!=-1) + ie.key.mod.control=true; + if (mods.findn("A")!=-1) + ie.key.mod.alt=true; + if (mods.findn("S")!=-1) + ie.key.mod.shift=true; + if (mods.findn("M")!=-1) + ie.key.mod.meta=true; + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_PARENTHESIS_CLOSE) { + r_err_str="Expected ')'"; + return ERR_PARSE_ERROR; + } + + } else if (token.type!=TK_PARENTHESIS_CLOSE) { + + r_err_str="Expected ')' or modifier flags."; + return ERR_PARSE_ERROR; + } + + + } else if (id=="MBUTTON") { + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_COMMA) { + r_err_str="Expected ','"; + return ERR_PARSE_ERROR; + } + + ie.type=InputEvent::MOUSE_BUTTON; + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_NUMBER) { + r_err_str="Expected button index"; + return ERR_PARSE_ERROR; + } + + ie.mouse_button.button_index = token.value; + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_PARENTHESIS_CLOSE) { + r_err_str="Expected ')'"; + return ERR_PARSE_ERROR; + } + + } else if (id=="JBUTTON") { + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_COMMA) { + r_err_str="Expected ','"; + return ERR_PARSE_ERROR; + } + + ie.type=InputEvent::JOYSTICK_BUTTON; + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_NUMBER) { + r_err_str="Expected button index"; + return ERR_PARSE_ERROR; + } + + ie.joy_button.button_index = token.value; + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_PARENTHESIS_CLOSE) { + r_err_str="Expected ')'"; + return ERR_PARSE_ERROR; + } + + } else if (id=="JAXIS") { + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_COMMA) { + r_err_str="Expected ','"; + return ERR_PARSE_ERROR; + } + + ie.type=InputEvent::JOYSTICK_MOTION; + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_NUMBER) { + r_err_str="Expected axis index"; + return ERR_PARSE_ERROR; + } + + ie.joy_motion.axis = token.value; + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_PARENTHESIS_CLOSE) { + r_err_str="Expected ')'"; + return ERR_PARSE_ERROR; + } + + } else { + + r_err_str="Invalid input event type."; + return ERR_PARSE_ERROR; + } + + value=ie; + + return OK; + + } else if (id=="ByteArray") { + + Vector<float> args; + Error err = _parse_construct(p_stream,args,line,r_err_str); + if (err) + return err; + + DVector<uint8_t> arr; + { + int len=args.size(); + arr.resize(len); + DVector<uint8_t>::Write w = arr.write(); + for(int i=0;i<len;i++) { + w[i]=args[i]; + } + } + + value=arr; + + return OK; + + } else if (id=="IntArray") { + + Vector<float> args; + Error err = _parse_construct(p_stream,args,line,r_err_str); + if (err) + return err; + + DVector<int32_t> arr; + { + int len=args.size(); + arr.resize(len); + DVector<int32_t>::Write w = arr.write(); + for(int i=0;i<len;i++) { + w[i]=Math::fast_ftoi(args[i]); + } + } + + value=arr; + + return OK; + + } else if (id=="FloatArray") { + + Vector<float> args; + Error err = _parse_construct(p_stream,args,line,r_err_str); + if (err) + return err; + + DVector<float> arr; + { + int len=args.size(); + arr.resize(len); + DVector<float>::Write w = arr.write(); + for(int i=0;i<len;i++) { + w[i]=args[i]; + } + } + + value=arr; + + return OK; + } else if (id=="StringArray") { + + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_PARENTHESIS_OPEN) { + r_err_str="Expected '('"; + return ERR_PARSE_ERROR; + } + + Vector<String> cs; + + bool first=true; + while(true) { + + if (!first) { + get_token(p_stream,token,line,r_err_str); + if (token.type==TK_COMMA) { + //do none + } else if (token.type!=TK_PARENTHESIS_CLOSE) { + break; + } else { + r_err_str="Expected ',' or ')'"; + return ERR_PARSE_ERROR; + + } + } + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_STRING) { + r_err_str="Expected string"; + return ERR_PARSE_ERROR; + } + + cs.push_back(token.value); + } + + + DVector<String> arr; + { + int len=cs.size(); + arr.resize(len); + DVector<String>::Write w = arr.write(); + for(int i=0;i<len;i++) { + w[i]=cs[i]; + } + } + + value=arr; + + return OK; + + + } else if (id=="Vector2Array") { + + Vector<float> args; + Error err = _parse_construct(p_stream,args,line,r_err_str); + if (err) + return err; + + DVector<Vector2> arr; + { + int len=args.size()/2; + arr.resize(len); + DVector<Vector2>::Write w = arr.write(); + for(int i=0;i<len;i++) { + w[i]=Vector2(args[i*2+0],args[i*2+1]); + } + } + + value=arr; + + return OK; + + } else if (id=="Vector3Array") { + + Vector<float> args; + Error err = _parse_construct(p_stream,args,line,r_err_str); + if (err) + return err; + + DVector<Vector3> arr; + { + int len=args.size()/3; + arr.resize(len); + DVector<Vector3>::Write w = arr.write(); + for(int i=0;i<len;i++) { + w[i]=Vector3(args[i*3+0],args[i*3+1],args[i*3+2]); + } + } + + value=arr; + + return OK; + + } else if (id=="ColorArray") { + + Vector<float> args; + Error err = _parse_construct(p_stream,args,line,r_err_str); + if (err) + return err; + + DVector<Color> arr; + { + int len=args.size()/4; + arr.resize(len); + DVector<Color>::Write w = arr.write(); + for(int i=0;i<len;i++) { + w[i]=Color(args[i*3+0],args[i*3+1],args[i*3+2],args[i*3+3]); + } + } + + value=arr; + + return OK; + + } else { + r_err_str="Unexpected identifier: '"+id+"'."; + return ERR_PARSE_ERROR; + } + + + /* + VECTOR2, // 5 + RECT2, + VECTOR3, + MATRIX32, + PLANE, + QUAT, // 10 + _AABB, //sorry naming convention fail :( not like it's used often + MATRIX3, + TRANSFORM, + + // misc types + COLOR, + IMAGE, // 15 + NODE_PATH, + _RID, + OBJECT, + INPUT_EVENT, + DICTIONARY, // 20 + ARRAY, + + // arrays + RAW_ARRAY, + INT_ARRAY, + REAL_ARRAY, + STRING_ARRAY, // 25 + VECTOR2_ARRAY, + VECTOR3_ARRAY, + COLOR_ARRAY, + + VARIANT_MAX + + */ + + return OK; + + } else if (token.type==TK_NUMBER) { + + value=token.value; + return OK; + } else if (token.type==TK_STRING) { + + value=token.value; + return OK; + } else { + r_err_str="Expected value, got "+String(tk_name[token.type])+"."; + return ERR_PARSE_ERROR; + } + + return ERR_PARSE_ERROR; +} + + +Error VariantParser::_parse_array(Array &array, Stream *p_stream, int &line, String &r_err_str, ResourceParser *p_res_parser) { + + Token token; + bool need_comma=false; + + + while(!p_stream->is_eof()) { + + Error err = get_token(p_stream,token,line,r_err_str); + if (err!=OK) + return err; + + if (token.type==TK_BRACKET_CLOSE) { + + return OK; + } + + if (need_comma) { + + if (token.type!=TK_COMMA) { + + r_err_str="Expected ','"; + return ERR_PARSE_ERROR; + } else { + need_comma=false; + continue; + } + } + + Variant v; + err = parse_value(token,v,p_stream,line,r_err_str,p_res_parser); + if (err) + return err; + + array.push_back(v); + need_comma=true; + + } + + return OK; + +} + +Error VariantParser::_parse_dictionary(Dictionary &object, Stream *p_stream, int &line, String &r_err_str, ResourceParser *p_res_parser) { + + bool at_key=true; + Variant key; + Token token; + bool need_comma=false; + + + while(!p_stream->is_eof()) { + + + if (at_key) { + + Error err = get_token(p_stream,token,line,r_err_str); + if (err!=OK) + return err; + + if (token.type==TK_CURLY_BRACKET_CLOSE) { + + return OK; + } + + if (need_comma) { + + if (token.type!=TK_COMMA) { + + r_err_str="Expected '}' or ','"; + return ERR_PARSE_ERROR; + } else { + need_comma=false; + continue; + } + } + + + + + err = parse_value(token,key,p_stream,line,r_err_str,p_res_parser); + + if (err) + return err; + + err = get_token(p_stream,token,line,r_err_str); + + if (err!=OK) + return err; + if (token.type!=TK_COLON) { + + r_err_str="Expected ':'"; + return ERR_PARSE_ERROR; + } + at_key=false; + } else { + + + Error err = get_token(p_stream,token,line,r_err_str); + if (err!=OK) + return err; + + Variant v; + err = parse_value(token,v,p_stream,line,r_err_str,p_res_parser); + if (err) + return err; + object[key]=v; + need_comma=true; + at_key=true; + } + } + + return OK; +} + + +Error VariantParser::_parse_tag(Token& token,Stream *p_stream, int &line, String &r_err_str,Tag& r_tag) { + + r_tag.fields.clear(); + + if (token.type!=TK_BRACKET_OPEN) { + r_err_str="Expected '['"; + return ERR_PARSE_ERROR; + } + + + get_token(p_stream,token,line,r_err_str); + + + if (token.type!=TK_IDENTIFIER) { + r_err_str="Expected identifier (tag name)"; + return ERR_PARSE_ERROR; + } + + r_tag.name=token.value; + + print_line("tag name: "+r_tag.name); + + while(true) { + + get_token(p_stream,token,line,r_err_str); + if (token.type==TK_BRACKET_CLOSE) + break; + + if (token.type!=TK_IDENTIFIER) { + r_err_str="Expected Identifier"; + return ERR_PARSE_ERROR; + } + + String id=token.value; + + print_line("got ID: "+id); + + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_EQUAL) { + r_err_str="Expected '='"; + return ERR_PARSE_ERROR; + } + + print_line("got tk: "+String(tk_name[token.type])); + + get_token(p_stream,token,line,r_err_str); + Variant value; + Error err = parse_value(token,value,p_stream,line,r_err_str); + if (err) + return err; + + print_line("id: "+id+" value: "+String(value)); + + r_tag.fields[id]=value; + + } + + + return OK; + +} + +Error VariantParser::parse_tag(Stream *p_stream, int &line, String &r_err_str,Tag& r_tag) { + + Token token; + get_token(p_stream,token,line,r_err_str); + if (token.type!=TK_BRACKET_OPEN) { + r_err_str="Expected '['"; + return ERR_PARSE_ERROR; + } + + return _parse_tag(token,p_stream,line,r_err_str,r_tag); + +} + +Error VariantParser::parse_tag_assign_eof(Stream *p_stream, int &line, String &r_err_str,Tag& r_tag,String &r_assign) { + + r_tag.name.clear(); + r_assign=String(); + + return OK; +} + +Error VariantParser::parse(Stream *p_stream, Variant& r_ret, String &r_err_str, int &r_err_line, ResourceParser *p_res_parser) { + + + Token token; + Error err = get_token(p_stream,token,r_err_line,r_err_str); + if (err) + return err; + return parse_value(token,r_ret,p_stream,r_err_line,r_err_str,p_res_parser); + +} + + |